diff --git a/.gitignore b/.gitignore index bfa6a22a524852a8df1d6462f0323d20449c4e95..91753a7188a931577e97608e85ca7934ca6ea2c5 100644 --- a/.gitignore +++ b/.gitignore @@ -1 +1,6 @@ # Created by .ignore support plugin (hsz.mobi) +.idea/ +node_modules/ +morpheus.js +morpheus-external.js +morpheus-external.min.js diff --git a/Gruntfile.js b/Gruntfile.js index 598a9edb653022e701580f65dd41909bf74ae5cc..929d9630b31eae2a72de399e326aab840bbcc743 100644 --- a/Gruntfile.js +++ b/Gruntfile.js @@ -66,7 +66,8 @@ module.exports = function (grunt) { 'js/hopscotch.min.js', 'js/typed.min.js', 'js/jquery.event.drag-2.2.js', 'js/clipboard.min.js', 'js/slick.min.js', - 'js/js.cookie.js', 'js/d3.layout.cloud.js'] + 'js/js.cookie.js', 'js/d3.layout.cloud.js', + 'js/long.js', 'js/bytebuffer.js', 'js/protobuf.js'] }, morpheus: { nonull: true, diff --git a/js/bytebuffer.js b/js/bytebuffer.js new file mode 100644 index 0000000000000000000000000000000000000000..5495d899edcd7dc4be27631cc6189b9220ee3690 --- /dev/null +++ b/js/bytebuffer.js @@ -0,0 +1,3746 @@ +/* + Copyright 2013-2014 Daniel Wirtz + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + */ + +/** + * @license bytebuffer.js (c) 2015 Daniel Wirtz + * Backing buffer: ArrayBuffer, Accessor: Uint8Array + * Released under the Apache License, Version 2.0 + * see: https://github.com/dcodeIO/bytebuffer.js for details + */ +(function(global, factory) { + + /* AMD */ if (typeof define === 'function' && define["amd"]) + define(["long"], factory); + /* CommonJS */ else if (typeof require === 'function' && typeof module === "object" && module && module["exports"]) + module['exports'] = (function() { + var Long; try { Long = require("long"); } catch (e) {} + return factory(Long); + })(); + /* Global */ else + (global["dcodeIO"] = global["dcodeIO"] || {})["ByteBuffer"] = factory(global["dcodeIO"]["Long"]); + +})(this, function(Long) { + "use strict"; + + /** + * Constructs a new ByteBuffer. + * @class The swiss army knife for binary data in JavaScript. + * @exports ByteBuffer + * @constructor + * @param {number=} capacity Initial capacity. Defaults to {@link ByteBuffer.DEFAULT_CAPACITY}. + * @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to + * {@link ByteBuffer.DEFAULT_ENDIAN}. + * @param {boolean=} noAssert Whether to skip assertions of offsets and values. Defaults to + * {@link ByteBuffer.DEFAULT_NOASSERT}. + * @expose + */ + var ByteBuffer = function(capacity, littleEndian, noAssert) { + if (typeof capacity === 'undefined') + capacity = ByteBuffer.DEFAULT_CAPACITY; + if (typeof littleEndian === 'undefined') + littleEndian = ByteBuffer.DEFAULT_ENDIAN; + if (typeof noAssert === 'undefined') + noAssert = ByteBuffer.DEFAULT_NOASSERT; + if (!noAssert) { + capacity = capacity | 0; + if (capacity < 0) + throw RangeError("Illegal capacity"); + littleEndian = !!littleEndian; + noAssert = !!noAssert; + } + + /** + * Backing ArrayBuffer. + * @type {!ArrayBuffer} + * @expose + */ + this.buffer = capacity === 0 ? EMPTY_BUFFER : new ArrayBuffer(capacity); + + /** + * Uint8Array utilized to manipulate the backing buffer. Becomes `null` if the backing buffer has a capacity of `0`. + * @type {?Uint8Array} + * @expose + */ + this.view = capacity === 0 ? null : new Uint8Array(this.buffer); + + /** + * Absolute read/write offset. + * @type {number} + * @expose + * @see ByteBuffer#flip + * @see ByteBuffer#clear + */ + this.offset = 0; + + /** + * Marked offset. + * @type {number} + * @expose + * @see ByteBuffer#mark + * @see ByteBuffer#reset + */ + this.markedOffset = -1; + + /** + * Absolute limit of the contained data. Set to the backing buffer's capacity upon allocation. + * @type {number} + * @expose + * @see ByteBuffer#flip + * @see ByteBuffer#clear + */ + this.limit = capacity; + + /** + * Whether to use little endian byte order, defaults to `false` for big endian. + * @type {boolean} + * @expose + */ + this.littleEndian = littleEndian; + + /** + * Whether to skip assertions of offsets and values, defaults to `false`. + * @type {boolean} + * @expose + */ + this.noAssert = noAssert; + }; + + /** + * ByteBuffer version. + * @type {string} + * @const + * @expose + */ + ByteBuffer.VERSION = "5.0.1"; + + /** + * Little endian constant that can be used instead of its boolean value. Evaluates to `true`. + * @type {boolean} + * @const + * @expose + */ + ByteBuffer.LITTLE_ENDIAN = true; + + /** + * Big endian constant that can be used instead of its boolean value. Evaluates to `false`. + * @type {boolean} + * @const + * @expose + */ + ByteBuffer.BIG_ENDIAN = false; + + /** + * Default initial capacity of `16`. + * @type {number} + * @expose + */ + ByteBuffer.DEFAULT_CAPACITY = 16; + + /** + * Default endianess of `false` for big endian. + * @type {boolean} + * @expose + */ + ByteBuffer.DEFAULT_ENDIAN = ByteBuffer.BIG_ENDIAN; + + /** + * Default no assertions flag of `false`. + * @type {boolean} + * @expose + */ + ByteBuffer.DEFAULT_NOASSERT = false; + + /** + * A `Long` class for representing a 64-bit two's-complement integer value. May be `null` if Long.js has not been loaded + * and int64 support is not available. + * @type {?Long} + * @const + * @see https://github.com/dcodeIO/long.js + * @expose + */ + ByteBuffer.Long = Long || null; + + /** + * @alias ByteBuffer.prototype + * @inner + */ + var ByteBufferPrototype = ByteBuffer.prototype; + + /** + * An indicator used to reliably determine if an object is a ByteBuffer or not. + * @type {boolean} + * @const + * @expose + * @private + */ + ByteBufferPrototype.__isByteBuffer__; + + Object.defineProperty(ByteBufferPrototype, "__isByteBuffer__", { + value: true, + enumerable: false, + configurable: false + }); + + // helpers + + /** + * @type {!ArrayBuffer} + * @inner + */ + var EMPTY_BUFFER = new ArrayBuffer(0); + + /** + * String.fromCharCode reference for compile-time renaming. + * @type {function(...number):string} + * @inner + */ + var stringFromCharCode = String.fromCharCode; + + /** + * Creates a source function for a string. + * @param {string} s String to read from + * @returns {function():number|null} Source function returning the next char code respectively `null` if there are + * no more characters left. + * @throws {TypeError} If the argument is invalid + * @inner + */ + function stringSource(s) { + var i=0; return function() { + return i < s.length ? s.charCodeAt(i++) : null; + }; + } + + /** + * Creates a destination function for a string. + * @returns {function(number=):undefined|string} Destination function successively called with the next char code. + * Returns the final string when called without arguments. + * @inner + */ + function stringDestination() { + var cs = [], ps = []; return function() { + if (arguments.length === 0) + return ps.join('')+stringFromCharCode.apply(String, cs); + if (cs.length + arguments.length > 1024) + ps.push(stringFromCharCode.apply(String, cs)), + cs.length = 0; + Array.prototype.push.apply(cs, arguments); + }; + } + + /** + * Gets the accessor type. + * @returns {Function} `Buffer` under node.js, `Uint8Array` respectively `DataView` in the browser (classes) + * @expose + */ + ByteBuffer.accessor = function() { + return Uint8Array; + }; + /** + * Allocates a new ByteBuffer backed by a buffer of the specified capacity. + * @param {number=} capacity Initial capacity. Defaults to {@link ByteBuffer.DEFAULT_CAPACITY}. + * @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to + * {@link ByteBuffer.DEFAULT_ENDIAN}. + * @param {boolean=} noAssert Whether to skip assertions of offsets and values. Defaults to + * {@link ByteBuffer.DEFAULT_NOASSERT}. + * @returns {!ByteBuffer} + * @expose + */ + ByteBuffer.allocate = function(capacity, littleEndian, noAssert) { + return new ByteBuffer(capacity, littleEndian, noAssert); + }; + + /** + * Concatenates multiple ByteBuffers into one. + * @param {!Array.} buffers Buffers to concatenate + * @param {(string|boolean)=} encoding String encoding if `buffers` contains a string ("base64", "hex", "binary", + * defaults to "utf8") + * @param {boolean=} littleEndian Whether to use little or big endian byte order for the resulting ByteBuffer. Defaults + * to {@link ByteBuffer.DEFAULT_ENDIAN}. + * @param {boolean=} noAssert Whether to skip assertions of offsets and values for the resulting ByteBuffer. Defaults to + * {@link ByteBuffer.DEFAULT_NOASSERT}. + * @returns {!ByteBuffer} Concatenated ByteBuffer + * @expose + */ + ByteBuffer.concat = function(buffers, encoding, littleEndian, noAssert) { + if (typeof encoding === 'boolean' || typeof encoding !== 'string') { + noAssert = littleEndian; + littleEndian = encoding; + encoding = undefined; + } + var capacity = 0; + for (var i=0, k=buffers.length, length; i 0) capacity += length; + } + if (capacity === 0) + return new ByteBuffer(0, littleEndian, noAssert); + var bb = new ByteBuffer(capacity, littleEndian, noAssert), + bi; + i=0; while (i} buffer Anything that can be wrapped + * @param {(string|boolean)=} encoding String encoding if `buffer` is a string ("base64", "hex", "binary", defaults to + * "utf8") + * @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to + * {@link ByteBuffer.DEFAULT_ENDIAN}. + * @param {boolean=} noAssert Whether to skip assertions of offsets and values. Defaults to + * {@link ByteBuffer.DEFAULT_NOASSERT}. + * @returns {!ByteBuffer} A ByteBuffer wrapping `buffer` + * @expose + */ + ByteBuffer.wrap = function(buffer, encoding, littleEndian, noAssert) { + if (typeof encoding !== 'string') { + noAssert = littleEndian; + littleEndian = encoding; + encoding = undefined; + } + if (typeof buffer === 'string') { + if (typeof encoding === 'undefined') + encoding = "utf8"; + switch (encoding) { + case "base64": + return ByteBuffer.fromBase64(buffer, littleEndian); + case "hex": + return ByteBuffer.fromHex(buffer, littleEndian); + case "binary": + return ByteBuffer.fromBinary(buffer, littleEndian); + case "utf8": + return ByteBuffer.fromUTF8(buffer, littleEndian); + case "debug": + return ByteBuffer.fromDebug(buffer, littleEndian); + default: + throw Error("Unsupported encoding: "+encoding); + } + } + if (buffer === null || typeof buffer !== 'object') + throw TypeError("Illegal buffer"); + var bb; + if (ByteBuffer.isByteBuffer(buffer)) { + bb = ByteBufferPrototype.clone.call(buffer); + bb.markedOffset = -1; + return bb; + } + if (buffer instanceof Uint8Array) { // Extract ArrayBuffer from Uint8Array + bb = new ByteBuffer(0, littleEndian, noAssert); + if (buffer.length > 0) { // Avoid references to more than one EMPTY_BUFFER + bb.buffer = buffer.buffer; + bb.offset = buffer.byteOffset; + bb.limit = buffer.byteOffset + buffer.byteLength; + bb.view = new Uint8Array(buffer.buffer); + } + } else if (buffer instanceof ArrayBuffer) { // Reuse ArrayBuffer + bb = new ByteBuffer(0, littleEndian, noAssert); + if (buffer.byteLength > 0) { + bb.buffer = buffer; + bb.offset = 0; + bb.limit = buffer.byteLength; + bb.view = buffer.byteLength > 0 ? new Uint8Array(buffer) : null; + } + } else if (Object.prototype.toString.call(buffer) === "[object Array]") { // Create from octets + bb = new ByteBuffer(buffer.length, littleEndian, noAssert); + bb.limit = buffer.length; + for (var i=0; i} value Array of booleans to write + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `length` if omitted. + * @returns {!ByteBuffer} + * @expose + */ + ByteBufferPrototype.writeBitSet = function(value, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (!(value instanceof Array)) + throw TypeError("Illegal BitSet: Not an array"); + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + + var start = offset, + bits = value.length, + bytes = (bits >> 3), + bit = 0, + k; + + offset += this.writeVarint32(bits,offset); + + while(bytes--) { + k = (!!value[bit++] & 1) | + ((!!value[bit++] & 1) << 1) | + ((!!value[bit++] & 1) << 2) | + ((!!value[bit++] & 1) << 3) | + ((!!value[bit++] & 1) << 4) | + ((!!value[bit++] & 1) << 5) | + ((!!value[bit++] & 1) << 6) | + ((!!value[bit++] & 1) << 7); + this.writeByte(k,offset++); + } + + if(bit < bits) { + var m = 0; k = 0; + while(bit < bits) k = k | ((!!value[bit++] & 1) << (m++)); + this.writeByte(k,offset++); + } + + if (relative) { + this.offset = offset; + return this; + } + return offset - start; + } + + /** + * Reads a BitSet as an array of booleans. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `length` if omitted. + * @returns {Array + * @expose + */ + ByteBufferPrototype.readBitSet = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + + var ret = this.readVarint32(offset), + bits = ret.value, + bytes = (bits >> 3), + bit = 0, + value = [], + k; + + offset += ret.length; + + while(bytes--) { + k = this.readByte(offset++); + value[bit++] = !!(k & 0x01); + value[bit++] = !!(k & 0x02); + value[bit++] = !!(k & 0x04); + value[bit++] = !!(k & 0x08); + value[bit++] = !!(k & 0x10); + value[bit++] = !!(k & 0x20); + value[bit++] = !!(k & 0x40); + value[bit++] = !!(k & 0x80); + } + + if(bit < bits) { + var m = 0; + k = this.readByte(offset++); + while(bit < bits) value[bit++] = !!((k >> (m++)) & 1); + } + + if (relative) { + this.offset = offset; + } + return value; + } + /** + * Reads the specified number of bytes. + * @param {number} length Number of bytes to read + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `length` if omitted. + * @returns {!ByteBuffer} + * @expose + */ + ByteBufferPrototype.readBytes = function(length, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + length > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+length+") <= "+this.buffer.byteLength); + } + var slice = this.slice(offset, offset + length); + if (relative) this.offset += length; + return slice; + }; + + /** + * Writes a payload of bytes. This is an alias of {@link ByteBuffer#append}. + * @function + * @param {!ByteBuffer|!ArrayBuffer|!Uint8Array|string} source Data to write. If `source` is a ByteBuffer, its offsets + * will be modified according to the performed read operation. + * @param {(string|number)=} encoding Encoding if `data` is a string ("base64", "hex", "binary", defaults to "utf8") + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * written if omitted. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.writeBytes = ByteBufferPrototype.append; + + // types/ints/int8 + + /** + * Writes an 8bit signed integer. + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and advance {@link ByteBuffer#offset} by `1` if omitted. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.writeInt8 = function(value, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof value !== 'number' || value % 1 !== 0) + throw TypeError("Illegal value: "+value+" (not an integer)"); + value |= 0; + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + offset += 1; + var capacity0 = this.buffer.byteLength; + if (offset > capacity0) + this.resize((capacity0 *= 2) > offset ? capacity0 : offset); + offset -= 1; + this.view[offset] = value; + if (relative) this.offset += 1; + return this; + }; + + /** + * Writes an 8bit signed integer. This is an alias of {@link ByteBuffer#writeInt8}. + * @function + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and advance {@link ByteBuffer#offset} by `1` if omitted. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.writeByte = ByteBufferPrototype.writeInt8; + + /** + * Reads an 8bit signed integer. + * @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `1` if omitted. + * @returns {number} Value read + * @expose + */ + ByteBufferPrototype.readInt8 = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 1 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+1+") <= "+this.buffer.byteLength); + } + var value = this.view[offset]; + if ((value & 0x80) === 0x80) value = -(0xFF - value + 1); // Cast to signed + if (relative) this.offset += 1; + return value; + }; + + /** + * Reads an 8bit signed integer. This is an alias of {@link ByteBuffer#readInt8}. + * @function + * @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `1` if omitted. + * @returns {number} Value read + * @expose + */ + ByteBufferPrototype.readByte = ByteBufferPrototype.readInt8; + + /** + * Writes an 8bit unsigned integer. + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and advance {@link ByteBuffer#offset} by `1` if omitted. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.writeUint8 = function(value, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof value !== 'number' || value % 1 !== 0) + throw TypeError("Illegal value: "+value+" (not an integer)"); + value >>>= 0; + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + offset += 1; + var capacity1 = this.buffer.byteLength; + if (offset > capacity1) + this.resize((capacity1 *= 2) > offset ? capacity1 : offset); + offset -= 1; + this.view[offset] = value; + if (relative) this.offset += 1; + return this; + }; + + /** + * Writes an 8bit unsigned integer. This is an alias of {@link ByteBuffer#writeUint8}. + * @function + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and advance {@link ByteBuffer#offset} by `1` if omitted. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.writeUInt8 = ByteBufferPrototype.writeUint8; + + /** + * Reads an 8bit unsigned integer. + * @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `1` if omitted. + * @returns {number} Value read + * @expose + */ + ByteBufferPrototype.readUint8 = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 1 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+1+") <= "+this.buffer.byteLength); + } + var value = this.view[offset]; + if (relative) this.offset += 1; + return value; + }; + + /** + * Reads an 8bit unsigned integer. This is an alias of {@link ByteBuffer#readUint8}. + * @function + * @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `1` if omitted. + * @returns {number} Value read + * @expose + */ + ByteBufferPrototype.readUInt8 = ByteBufferPrototype.readUint8; + + // types/ints/int16 + + /** + * Writes a 16bit signed integer. + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and advance {@link ByteBuffer#offset} by `2` if omitted. + * @throws {TypeError} If `offset` or `value` is not a valid number + * @throws {RangeError} If `offset` is out of bounds + * @expose + */ + ByteBufferPrototype.writeInt16 = function(value, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof value !== 'number' || value % 1 !== 0) + throw TypeError("Illegal value: "+value+" (not an integer)"); + value |= 0; + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + offset += 2; + var capacity2 = this.buffer.byteLength; + if (offset > capacity2) + this.resize((capacity2 *= 2) > offset ? capacity2 : offset); + offset -= 2; + if (this.littleEndian) { + this.view[offset+1] = (value & 0xFF00) >>> 8; + this.view[offset ] = value & 0x00FF; + } else { + this.view[offset] = (value & 0xFF00) >>> 8; + this.view[offset+1] = value & 0x00FF; + } + if (relative) this.offset += 2; + return this; + }; + + /** + * Writes a 16bit signed integer. This is an alias of {@link ByteBuffer#writeInt16}. + * @function + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and advance {@link ByteBuffer#offset} by `2` if omitted. + * @throws {TypeError} If `offset` or `value` is not a valid number + * @throws {RangeError} If `offset` is out of bounds + * @expose + */ + ByteBufferPrototype.writeShort = ByteBufferPrototype.writeInt16; + + /** + * Reads a 16bit signed integer. + * @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `2` if omitted. + * @returns {number} Value read + * @throws {TypeError} If `offset` is not a valid number + * @throws {RangeError} If `offset` is out of bounds + * @expose + */ + ByteBufferPrototype.readInt16 = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 2 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+2+") <= "+this.buffer.byteLength); + } + var value = 0; + if (this.littleEndian) { + value = this.view[offset ]; + value |= this.view[offset+1] << 8; + } else { + value = this.view[offset ] << 8; + value |= this.view[offset+1]; + } + if ((value & 0x8000) === 0x8000) value = -(0xFFFF - value + 1); // Cast to signed + if (relative) this.offset += 2; + return value; + }; + + /** + * Reads a 16bit signed integer. This is an alias of {@link ByteBuffer#readInt16}. + * @function + * @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `2` if omitted. + * @returns {number} Value read + * @throws {TypeError} If `offset` is not a valid number + * @throws {RangeError} If `offset` is out of bounds + * @expose + */ + ByteBufferPrototype.readShort = ByteBufferPrototype.readInt16; + + /** + * Writes a 16bit unsigned integer. + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and advance {@link ByteBuffer#offset} by `2` if omitted. + * @throws {TypeError} If `offset` or `value` is not a valid number + * @throws {RangeError} If `offset` is out of bounds + * @expose + */ + ByteBufferPrototype.writeUint16 = function(value, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof value !== 'number' || value % 1 !== 0) + throw TypeError("Illegal value: "+value+" (not an integer)"); + value >>>= 0; + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + offset += 2; + var capacity3 = this.buffer.byteLength; + if (offset > capacity3) + this.resize((capacity3 *= 2) > offset ? capacity3 : offset); + offset -= 2; + if (this.littleEndian) { + this.view[offset+1] = (value & 0xFF00) >>> 8; + this.view[offset ] = value & 0x00FF; + } else { + this.view[offset] = (value & 0xFF00) >>> 8; + this.view[offset+1] = value & 0x00FF; + } + if (relative) this.offset += 2; + return this; + }; + + /** + * Writes a 16bit unsigned integer. This is an alias of {@link ByteBuffer#writeUint16}. + * @function + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and advance {@link ByteBuffer#offset} by `2` if omitted. + * @throws {TypeError} If `offset` or `value` is not a valid number + * @throws {RangeError} If `offset` is out of bounds + * @expose + */ + ByteBufferPrototype.writeUInt16 = ByteBufferPrototype.writeUint16; + + /** + * Reads a 16bit unsigned integer. + * @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `2` if omitted. + * @returns {number} Value read + * @throws {TypeError} If `offset` is not a valid number + * @throws {RangeError} If `offset` is out of bounds + * @expose + */ + ByteBufferPrototype.readUint16 = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 2 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+2+") <= "+this.buffer.byteLength); + } + var value = 0; + if (this.littleEndian) { + value = this.view[offset ]; + value |= this.view[offset+1] << 8; + } else { + value = this.view[offset ] << 8; + value |= this.view[offset+1]; + } + if (relative) this.offset += 2; + return value; + }; + + /** + * Reads a 16bit unsigned integer. This is an alias of {@link ByteBuffer#readUint16}. + * @function + * @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `2` if omitted. + * @returns {number} Value read + * @throws {TypeError} If `offset` is not a valid number + * @throws {RangeError} If `offset` is out of bounds + * @expose + */ + ByteBufferPrototype.readUInt16 = ByteBufferPrototype.readUint16; + + // types/ints/int32 + + /** + * Writes a 32bit signed integer. + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `4` if omitted. + * @expose + */ + ByteBufferPrototype.writeInt32 = function(value, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof value !== 'number' || value % 1 !== 0) + throw TypeError("Illegal value: "+value+" (not an integer)"); + value |= 0; + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + offset += 4; + var capacity4 = this.buffer.byteLength; + if (offset > capacity4) + this.resize((capacity4 *= 2) > offset ? capacity4 : offset); + offset -= 4; + if (this.littleEndian) { + this.view[offset+3] = (value >>> 24) & 0xFF; + this.view[offset+2] = (value >>> 16) & 0xFF; + this.view[offset+1] = (value >>> 8) & 0xFF; + this.view[offset ] = value & 0xFF; + } else { + this.view[offset ] = (value >>> 24) & 0xFF; + this.view[offset+1] = (value >>> 16) & 0xFF; + this.view[offset+2] = (value >>> 8) & 0xFF; + this.view[offset+3] = value & 0xFF; + } + if (relative) this.offset += 4; + return this; + }; + + /** + * Writes a 32bit signed integer. This is an alias of {@link ByteBuffer#writeInt32}. + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `4` if omitted. + * @expose + */ + ByteBufferPrototype.writeInt = ByteBufferPrototype.writeInt32; + + /** + * Reads a 32bit signed integer. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `4` if omitted. + * @returns {number} Value read + * @expose + */ + ByteBufferPrototype.readInt32 = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 4 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+4+") <= "+this.buffer.byteLength); + } + var value = 0; + if (this.littleEndian) { + value = this.view[offset+2] << 16; + value |= this.view[offset+1] << 8; + value |= this.view[offset ]; + value += this.view[offset+3] << 24 >>> 0; + } else { + value = this.view[offset+1] << 16; + value |= this.view[offset+2] << 8; + value |= this.view[offset+3]; + value += this.view[offset ] << 24 >>> 0; + } + value |= 0; // Cast to signed + if (relative) this.offset += 4; + return value; + }; + + /** + * Reads a 32bit signed integer. This is an alias of {@link ByteBuffer#readInt32}. + * @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `4` if omitted. + * @returns {number} Value read + * @expose + */ + ByteBufferPrototype.readInt = ByteBufferPrototype.readInt32; + + /** + * Writes a 32bit unsigned integer. + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `4` if omitted. + * @expose + */ + ByteBufferPrototype.writeUint32 = function(value, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof value !== 'number' || value % 1 !== 0) + throw TypeError("Illegal value: "+value+" (not an integer)"); + value >>>= 0; + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + offset += 4; + var capacity5 = this.buffer.byteLength; + if (offset > capacity5) + this.resize((capacity5 *= 2) > offset ? capacity5 : offset); + offset -= 4; + if (this.littleEndian) { + this.view[offset+3] = (value >>> 24) & 0xFF; + this.view[offset+2] = (value >>> 16) & 0xFF; + this.view[offset+1] = (value >>> 8) & 0xFF; + this.view[offset ] = value & 0xFF; + } else { + this.view[offset ] = (value >>> 24) & 0xFF; + this.view[offset+1] = (value >>> 16) & 0xFF; + this.view[offset+2] = (value >>> 8) & 0xFF; + this.view[offset+3] = value & 0xFF; + } + if (relative) this.offset += 4; + return this; + }; + + /** + * Writes a 32bit unsigned integer. This is an alias of {@link ByteBuffer#writeUint32}. + * @function + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `4` if omitted. + * @expose + */ + ByteBufferPrototype.writeUInt32 = ByteBufferPrototype.writeUint32; + + /** + * Reads a 32bit unsigned integer. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `4` if omitted. + * @returns {number} Value read + * @expose + */ + ByteBufferPrototype.readUint32 = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 4 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+4+") <= "+this.buffer.byteLength); + } + var value = 0; + if (this.littleEndian) { + value = this.view[offset+2] << 16; + value |= this.view[offset+1] << 8; + value |= this.view[offset ]; + value += this.view[offset+3] << 24 >>> 0; + } else { + value = this.view[offset+1] << 16; + value |= this.view[offset+2] << 8; + value |= this.view[offset+3]; + value += this.view[offset ] << 24 >>> 0; + } + if (relative) this.offset += 4; + return value; + }; + + /** + * Reads a 32bit unsigned integer. This is an alias of {@link ByteBuffer#readUint32}. + * @function + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `4` if omitted. + * @returns {number} Value read + * @expose + */ + ByteBufferPrototype.readUInt32 = ByteBufferPrototype.readUint32; + + // types/ints/int64 + + if (Long) { + + /** + * Writes a 64bit signed integer. + * @param {number|!Long} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `8` if omitted. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.writeInt64 = function(value, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof value === 'number') + value = Long.fromNumber(value); + else if (typeof value === 'string') + value = Long.fromString(value); + else if (!(value && value instanceof Long)) + throw TypeError("Illegal value: "+value+" (not an integer or Long)"); + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + if (typeof value === 'number') + value = Long.fromNumber(value); + else if (typeof value === 'string') + value = Long.fromString(value); + offset += 8; + var capacity6 = this.buffer.byteLength; + if (offset > capacity6) + this.resize((capacity6 *= 2) > offset ? capacity6 : offset); + offset -= 8; + var lo = value.low, + hi = value.high; + if (this.littleEndian) { + this.view[offset+3] = (lo >>> 24) & 0xFF; + this.view[offset+2] = (lo >>> 16) & 0xFF; + this.view[offset+1] = (lo >>> 8) & 0xFF; + this.view[offset ] = lo & 0xFF; + offset += 4; + this.view[offset+3] = (hi >>> 24) & 0xFF; + this.view[offset+2] = (hi >>> 16) & 0xFF; + this.view[offset+1] = (hi >>> 8) & 0xFF; + this.view[offset ] = hi & 0xFF; + } else { + this.view[offset ] = (hi >>> 24) & 0xFF; + this.view[offset+1] = (hi >>> 16) & 0xFF; + this.view[offset+2] = (hi >>> 8) & 0xFF; + this.view[offset+3] = hi & 0xFF; + offset += 4; + this.view[offset ] = (lo >>> 24) & 0xFF; + this.view[offset+1] = (lo >>> 16) & 0xFF; + this.view[offset+2] = (lo >>> 8) & 0xFF; + this.view[offset+3] = lo & 0xFF; + } + if (relative) this.offset += 8; + return this; + }; + + /** + * Writes a 64bit signed integer. This is an alias of {@link ByteBuffer#writeInt64}. + * @param {number|!Long} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `8` if omitted. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.writeLong = ByteBufferPrototype.writeInt64; + + /** + * Reads a 64bit signed integer. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `8` if omitted. + * @returns {!Long} + * @expose + */ + ByteBufferPrototype.readInt64 = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 8 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+8+") <= "+this.buffer.byteLength); + } + var lo = 0, + hi = 0; + if (this.littleEndian) { + lo = this.view[offset+2] << 16; + lo |= this.view[offset+1] << 8; + lo |= this.view[offset ]; + lo += this.view[offset+3] << 24 >>> 0; + offset += 4; + hi = this.view[offset+2] << 16; + hi |= this.view[offset+1] << 8; + hi |= this.view[offset ]; + hi += this.view[offset+3] << 24 >>> 0; + } else { + hi = this.view[offset+1] << 16; + hi |= this.view[offset+2] << 8; + hi |= this.view[offset+3]; + hi += this.view[offset ] << 24 >>> 0; + offset += 4; + lo = this.view[offset+1] << 16; + lo |= this.view[offset+2] << 8; + lo |= this.view[offset+3]; + lo += this.view[offset ] << 24 >>> 0; + } + var value = new Long(lo, hi, false); + if (relative) this.offset += 8; + return value; + }; + + /** + * Reads a 64bit signed integer. This is an alias of {@link ByteBuffer#readInt64}. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `8` if omitted. + * @returns {!Long} + * @expose + */ + ByteBufferPrototype.readLong = ByteBufferPrototype.readInt64; + + /** + * Writes a 64bit unsigned integer. + * @param {number|!Long} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `8` if omitted. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.writeUint64 = function(value, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof value === 'number') + value = Long.fromNumber(value); + else if (typeof value === 'string') + value = Long.fromString(value); + else if (!(value && value instanceof Long)) + throw TypeError("Illegal value: "+value+" (not an integer or Long)"); + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + if (typeof value === 'number') + value = Long.fromNumber(value); + else if (typeof value === 'string') + value = Long.fromString(value); + offset += 8; + var capacity7 = this.buffer.byteLength; + if (offset > capacity7) + this.resize((capacity7 *= 2) > offset ? capacity7 : offset); + offset -= 8; + var lo = value.low, + hi = value.high; + if (this.littleEndian) { + this.view[offset+3] = (lo >>> 24) & 0xFF; + this.view[offset+2] = (lo >>> 16) & 0xFF; + this.view[offset+1] = (lo >>> 8) & 0xFF; + this.view[offset ] = lo & 0xFF; + offset += 4; + this.view[offset+3] = (hi >>> 24) & 0xFF; + this.view[offset+2] = (hi >>> 16) & 0xFF; + this.view[offset+1] = (hi >>> 8) & 0xFF; + this.view[offset ] = hi & 0xFF; + } else { + this.view[offset ] = (hi >>> 24) & 0xFF; + this.view[offset+1] = (hi >>> 16) & 0xFF; + this.view[offset+2] = (hi >>> 8) & 0xFF; + this.view[offset+3] = hi & 0xFF; + offset += 4; + this.view[offset ] = (lo >>> 24) & 0xFF; + this.view[offset+1] = (lo >>> 16) & 0xFF; + this.view[offset+2] = (lo >>> 8) & 0xFF; + this.view[offset+3] = lo & 0xFF; + } + if (relative) this.offset += 8; + return this; + }; + + /** + * Writes a 64bit unsigned integer. This is an alias of {@link ByteBuffer#writeUint64}. + * @function + * @param {number|!Long} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `8` if omitted. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.writeUInt64 = ByteBufferPrototype.writeUint64; + + /** + * Reads a 64bit unsigned integer. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `8` if omitted. + * @returns {!Long} + * @expose + */ + ByteBufferPrototype.readUint64 = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 8 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+8+") <= "+this.buffer.byteLength); + } + var lo = 0, + hi = 0; + if (this.littleEndian) { + lo = this.view[offset+2] << 16; + lo |= this.view[offset+1] << 8; + lo |= this.view[offset ]; + lo += this.view[offset+3] << 24 >>> 0; + offset += 4; + hi = this.view[offset+2] << 16; + hi |= this.view[offset+1] << 8; + hi |= this.view[offset ]; + hi += this.view[offset+3] << 24 >>> 0; + } else { + hi = this.view[offset+1] << 16; + hi |= this.view[offset+2] << 8; + hi |= this.view[offset+3]; + hi += this.view[offset ] << 24 >>> 0; + offset += 4; + lo = this.view[offset+1] << 16; + lo |= this.view[offset+2] << 8; + lo |= this.view[offset+3]; + lo += this.view[offset ] << 24 >>> 0; + } + var value = new Long(lo, hi, true); + if (relative) this.offset += 8; + return value; + }; + + /** + * Reads a 64bit unsigned integer. This is an alias of {@link ByteBuffer#readUint64}. + * @function + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `8` if omitted. + * @returns {!Long} + * @expose + */ + ByteBufferPrototype.readUInt64 = ByteBufferPrototype.readUint64; + + } // Long + + + // types/floats/float32 + + /* + ieee754 - https://github.com/feross/ieee754 + + The MIT License (MIT) + + Copyright (c) Feross Aboukhadijeh + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + THE SOFTWARE. + */ + + /** + * Reads an IEEE754 float from a byte array. + * @param {!Array} buffer + * @param {number} offset + * @param {boolean} isLE + * @param {number} mLen + * @param {number} nBytes + * @returns {number} + * @inner + */ + function ieee754_read(buffer, offset, isLE, mLen, nBytes) { + var e, m, + eLen = nBytes * 8 - mLen - 1, + eMax = (1 << eLen) - 1, + eBias = eMax >> 1, + nBits = -7, + i = isLE ? (nBytes - 1) : 0, + d = isLE ? -1 : 1, + s = buffer[offset + i]; + + i += d; + + e = s & ((1 << (-nBits)) - 1); + s >>= (-nBits); + nBits += eLen; + for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {} + + m = e & ((1 << (-nBits)) - 1); + e >>= (-nBits); + nBits += mLen; + for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {} + + if (e === 0) { + e = 1 - eBias; + } else if (e === eMax) { + return m ? NaN : ((s ? -1 : 1) * Infinity); + } else { + m = m + Math.pow(2, mLen); + e = e - eBias; + } + return (s ? -1 : 1) * m * Math.pow(2, e - mLen); + } + + /** + * Writes an IEEE754 float to a byte array. + * @param {!Array} buffer + * @param {number} value + * @param {number} offset + * @param {boolean} isLE + * @param {number} mLen + * @param {number} nBytes + * @inner + */ + function ieee754_write(buffer, value, offset, isLE, mLen, nBytes) { + var e, m, c, + eLen = nBytes * 8 - mLen - 1, + eMax = (1 << eLen) - 1, + eBias = eMax >> 1, + rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0), + i = isLE ? 0 : (nBytes - 1), + d = isLE ? 1 : -1, + s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0; + + value = Math.abs(value); + + if (isNaN(value) || value === Infinity) { + m = isNaN(value) ? 1 : 0; + e = eMax; + } else { + e = Math.floor(Math.log(value) / Math.LN2); + if (value * (c = Math.pow(2, -e)) < 1) { + e--; + c *= 2; + } + if (e + eBias >= 1) { + value += rt / c; + } else { + value += rt * Math.pow(2, 1 - eBias); + } + if (value * c >= 2) { + e++; + c /= 2; + } + + if (e + eBias >= eMax) { + m = 0; + e = eMax; + } else if (e + eBias >= 1) { + m = (value * c - 1) * Math.pow(2, mLen); + e = e + eBias; + } else { + m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen); + e = 0; + } + } + + for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} + + e = (e << mLen) | m; + eLen += mLen; + for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} + + buffer[offset + i - d] |= s * 128; + } + + /** + * Writes a 32bit float. + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `4` if omitted. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.writeFloat32 = function(value, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof value !== 'number') + throw TypeError("Illegal value: "+value+" (not a number)"); + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + offset += 4; + var capacity8 = this.buffer.byteLength; + if (offset > capacity8) + this.resize((capacity8 *= 2) > offset ? capacity8 : offset); + offset -= 4; + ieee754_write(this.view, value, offset, this.littleEndian, 23, 4); + if (relative) this.offset += 4; + return this; + }; + + /** + * Writes a 32bit float. This is an alias of {@link ByteBuffer#writeFloat32}. + * @function + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `4` if omitted. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.writeFloat = ByteBufferPrototype.writeFloat32; + + /** + * Reads a 32bit float. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `4` if omitted. + * @returns {number} + * @expose + */ + ByteBufferPrototype.readFloat32 = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 4 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+4+") <= "+this.buffer.byteLength); + } + var value = ieee754_read(this.view, offset, this.littleEndian, 23, 4); + if (relative) this.offset += 4; + return value; + }; + + /** + * Reads a 32bit float. This is an alias of {@link ByteBuffer#readFloat32}. + * @function + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `4` if omitted. + * @returns {number} + * @expose + */ + ByteBufferPrototype.readFloat = ByteBufferPrototype.readFloat32; + + // types/floats/float64 + + /** + * Writes a 64bit float. + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `8` if omitted. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.writeFloat64 = function(value, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof value !== 'number') + throw TypeError("Illegal value: "+value+" (not a number)"); + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + offset += 8; + var capacity9 = this.buffer.byteLength; + if (offset > capacity9) + this.resize((capacity9 *= 2) > offset ? capacity9 : offset); + offset -= 8; + ieee754_write(this.view, value, offset, this.littleEndian, 52, 8); + if (relative) this.offset += 8; + return this; + }; + + /** + * Writes a 64bit float. This is an alias of {@link ByteBuffer#writeFloat64}. + * @function + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `8` if omitted. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.writeDouble = ByteBufferPrototype.writeFloat64; + + /** + * Reads a 64bit float. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `8` if omitted. + * @returns {number} + * @expose + */ + ByteBufferPrototype.readFloat64 = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 8 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+8+") <= "+this.buffer.byteLength); + } + var value = ieee754_read(this.view, offset, this.littleEndian, 52, 8); + if (relative) this.offset += 8; + return value; + }; + + /** + * Reads a 64bit float. This is an alias of {@link ByteBuffer#readFloat64}. + * @function + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `8` if omitted. + * @returns {number} + * @expose + */ + ByteBufferPrototype.readDouble = ByteBufferPrototype.readFloat64; + + + // types/varints/varint32 + + /** + * Maximum number of bytes required to store a 32bit base 128 variable-length integer. + * @type {number} + * @const + * @expose + */ + ByteBuffer.MAX_VARINT32_BYTES = 5; + + /** + * Calculates the actual number of bytes required to store a 32bit base 128 variable-length integer. + * @param {number} value Value to encode + * @returns {number} Number of bytes required. Capped to {@link ByteBuffer.MAX_VARINT32_BYTES} + * @expose + */ + ByteBuffer.calculateVarint32 = function(value) { + // ref: src/google/protobuf/io/coded_stream.cc + value = value >>> 0; + if (value < 1 << 7 ) return 1; + else if (value < 1 << 14) return 2; + else if (value < 1 << 21) return 3; + else if (value < 1 << 28) return 4; + else return 5; + }; + + /** + * Zigzag encodes a signed 32bit integer so that it can be effectively used with varint encoding. + * @param {number} n Signed 32bit integer + * @returns {number} Unsigned zigzag encoded 32bit integer + * @expose + */ + ByteBuffer.zigZagEncode32 = function(n) { + return (((n |= 0) << 1) ^ (n >> 31)) >>> 0; // ref: src/google/protobuf/wire_format_lite.h + }; + + /** + * Decodes a zigzag encoded signed 32bit integer. + * @param {number} n Unsigned zigzag encoded 32bit integer + * @returns {number} Signed 32bit integer + * @expose + */ + ByteBuffer.zigZagDecode32 = function(n) { + return ((n >>> 1) ^ -(n & 1)) | 0; // // ref: src/google/protobuf/wire_format_lite.h + }; + + /** + * Writes a 32bit base 128 variable-length integer. + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * written if omitted. + * @returns {!ByteBuffer|number} this if `offset` is omitted, else the actual number of bytes written + * @expose + */ + ByteBufferPrototype.writeVarint32 = function(value, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof value !== 'number' || value % 1 !== 0) + throw TypeError("Illegal value: "+value+" (not an integer)"); + value |= 0; + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + var size = ByteBuffer.calculateVarint32(value), + b; + offset += size; + var capacity10 = this.buffer.byteLength; + if (offset > capacity10) + this.resize((capacity10 *= 2) > offset ? capacity10 : offset); + offset -= size; + value >>>= 0; + while (value >= 0x80) { + b = (value & 0x7f) | 0x80; + this.view[offset++] = b; + value >>>= 7; + } + this.view[offset++] = value; + if (relative) { + this.offset = offset; + return this; + } + return size; + }; + + /** + * Writes a zig-zag encoded (signed) 32bit base 128 variable-length integer. + * @param {number} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * written if omitted. + * @returns {!ByteBuffer|number} this if `offset` is omitted, else the actual number of bytes written + * @expose + */ + ByteBufferPrototype.writeVarint32ZigZag = function(value, offset) { + return this.writeVarint32(ByteBuffer.zigZagEncode32(value), offset); + }; + + /** + * Reads a 32bit base 128 variable-length integer. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * written if omitted. + * @returns {number|!{value: number, length: number}} The value read if offset is omitted, else the value read + * and the actual number of bytes read. + * @throws {Error} If it's not a valid varint. Has a property `truncated = true` if there is not enough data available + * to fully decode the varint. + * @expose + */ + ByteBufferPrototype.readVarint32 = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 1 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+1+") <= "+this.buffer.byteLength); + } + var c = 0, + value = 0 >>> 0, + b; + do { + if (!this.noAssert && offset > this.limit) { + var err = Error("Truncated"); + err['truncated'] = true; + throw err; + } + b = this.view[offset++]; + if (c < 5) + value |= (b & 0x7f) << (7*c); + ++c; + } while ((b & 0x80) !== 0); + value |= 0; + if (relative) { + this.offset = offset; + return value; + } + return { + "value": value, + "length": c + }; + }; + + /** + * Reads a zig-zag encoded (signed) 32bit base 128 variable-length integer. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * written if omitted. + * @returns {number|!{value: number, length: number}} The value read if offset is omitted, else the value read + * and the actual number of bytes read. + * @throws {Error} If it's not a valid varint + * @expose + */ + ByteBufferPrototype.readVarint32ZigZag = function(offset) { + var val = this.readVarint32(offset); + if (typeof val === 'object') + val["value"] = ByteBuffer.zigZagDecode32(val["value"]); + else + val = ByteBuffer.zigZagDecode32(val); + return val; + }; + + // types/varints/varint64 + + if (Long) { + + /** + * Maximum number of bytes required to store a 64bit base 128 variable-length integer. + * @type {number} + * @const + * @expose + */ + ByteBuffer.MAX_VARINT64_BYTES = 10; + + /** + * Calculates the actual number of bytes required to store a 64bit base 128 variable-length integer. + * @param {number|!Long} value Value to encode + * @returns {number} Number of bytes required. Capped to {@link ByteBuffer.MAX_VARINT64_BYTES} + * @expose + */ + ByteBuffer.calculateVarint64 = function(value) { + if (typeof value === 'number') + value = Long.fromNumber(value); + else if (typeof value === 'string') + value = Long.fromString(value); + // ref: src/google/protobuf/io/coded_stream.cc + var part0 = value.toInt() >>> 0, + part1 = value.shiftRightUnsigned(28).toInt() >>> 0, + part2 = value.shiftRightUnsigned(56).toInt() >>> 0; + if (part2 == 0) { + if (part1 == 0) { + if (part0 < 1 << 14) + return part0 < 1 << 7 ? 1 : 2; + else + return part0 < 1 << 21 ? 3 : 4; + } else { + if (part1 < 1 << 14) + return part1 < 1 << 7 ? 5 : 6; + else + return part1 < 1 << 21 ? 7 : 8; + } + } else + return part2 < 1 << 7 ? 9 : 10; + }; + + /** + * Zigzag encodes a signed 64bit integer so that it can be effectively used with varint encoding. + * @param {number|!Long} value Signed long + * @returns {!Long} Unsigned zigzag encoded long + * @expose + */ + ByteBuffer.zigZagEncode64 = function(value) { + if (typeof value === 'number') + value = Long.fromNumber(value, false); + else if (typeof value === 'string') + value = Long.fromString(value, false); + else if (value.unsigned !== false) value = value.toSigned(); + // ref: src/google/protobuf/wire_format_lite.h + return value.shiftLeft(1).xor(value.shiftRight(63)).toUnsigned(); + }; + + /** + * Decodes a zigzag encoded signed 64bit integer. + * @param {!Long|number} value Unsigned zigzag encoded long or JavaScript number + * @returns {!Long} Signed long + * @expose + */ + ByteBuffer.zigZagDecode64 = function(value) { + if (typeof value === 'number') + value = Long.fromNumber(value, false); + else if (typeof value === 'string') + value = Long.fromString(value, false); + else if (value.unsigned !== false) value = value.toSigned(); + // ref: src/google/protobuf/wire_format_lite.h + return value.shiftRightUnsigned(1).xor(value.and(Long.ONE).toSigned().negate()).toSigned(); + }; + + /** + * Writes a 64bit base 128 variable-length integer. + * @param {number|Long} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * written if omitted. + * @returns {!ByteBuffer|number} `this` if offset is omitted, else the actual number of bytes written. + * @expose + */ + ByteBufferPrototype.writeVarint64 = function(value, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof value === 'number') + value = Long.fromNumber(value); + else if (typeof value === 'string') + value = Long.fromString(value); + else if (!(value && value instanceof Long)) + throw TypeError("Illegal value: "+value+" (not an integer or Long)"); + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + if (typeof value === 'number') + value = Long.fromNumber(value, false); + else if (typeof value === 'string') + value = Long.fromString(value, false); + else if (value.unsigned !== false) value = value.toSigned(); + var size = ByteBuffer.calculateVarint64(value), + part0 = value.toInt() >>> 0, + part1 = value.shiftRightUnsigned(28).toInt() >>> 0, + part2 = value.shiftRightUnsigned(56).toInt() >>> 0; + offset += size; + var capacity11 = this.buffer.byteLength; + if (offset > capacity11) + this.resize((capacity11 *= 2) > offset ? capacity11 : offset); + offset -= size; + switch (size) { + case 10: this.view[offset+9] = (part2 >>> 7) & 0x01; + case 9 : this.view[offset+8] = size !== 9 ? (part2 ) | 0x80 : (part2 ) & 0x7F; + case 8 : this.view[offset+7] = size !== 8 ? (part1 >>> 21) | 0x80 : (part1 >>> 21) & 0x7F; + case 7 : this.view[offset+6] = size !== 7 ? (part1 >>> 14) | 0x80 : (part1 >>> 14) & 0x7F; + case 6 : this.view[offset+5] = size !== 6 ? (part1 >>> 7) | 0x80 : (part1 >>> 7) & 0x7F; + case 5 : this.view[offset+4] = size !== 5 ? (part1 ) | 0x80 : (part1 ) & 0x7F; + case 4 : this.view[offset+3] = size !== 4 ? (part0 >>> 21) | 0x80 : (part0 >>> 21) & 0x7F; + case 3 : this.view[offset+2] = size !== 3 ? (part0 >>> 14) | 0x80 : (part0 >>> 14) & 0x7F; + case 2 : this.view[offset+1] = size !== 2 ? (part0 >>> 7) | 0x80 : (part0 >>> 7) & 0x7F; + case 1 : this.view[offset ] = size !== 1 ? (part0 ) | 0x80 : (part0 ) & 0x7F; + } + if (relative) { + this.offset += size; + return this; + } else { + return size; + } + }; + + /** + * Writes a zig-zag encoded 64bit base 128 variable-length integer. + * @param {number|Long} value Value to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * written if omitted. + * @returns {!ByteBuffer|number} `this` if offset is omitted, else the actual number of bytes written. + * @expose + */ + ByteBufferPrototype.writeVarint64ZigZag = function(value, offset) { + return this.writeVarint64(ByteBuffer.zigZagEncode64(value), offset); + }; + + /** + * Reads a 64bit base 128 variable-length integer. Requires Long.js. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * read if omitted. + * @returns {!Long|!{value: Long, length: number}} The value read if offset is omitted, else the value read and + * the actual number of bytes read. + * @throws {Error} If it's not a valid varint + * @expose + */ + ByteBufferPrototype.readVarint64 = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 1 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+1+") <= "+this.buffer.byteLength); + } + // ref: src/google/protobuf/io/coded_stream.cc + var start = offset, + part0 = 0, + part1 = 0, + part2 = 0, + b = 0; + b = this.view[offset++]; part0 = (b & 0x7F) ; if ( b & 0x80 ) { + b = this.view[offset++]; part0 |= (b & 0x7F) << 7; if ((b & 0x80) || (this.noAssert && typeof b === 'undefined')) { + b = this.view[offset++]; part0 |= (b & 0x7F) << 14; if ((b & 0x80) || (this.noAssert && typeof b === 'undefined')) { + b = this.view[offset++]; part0 |= (b & 0x7F) << 21; if ((b & 0x80) || (this.noAssert && typeof b === 'undefined')) { + b = this.view[offset++]; part1 = (b & 0x7F) ; if ((b & 0x80) || (this.noAssert && typeof b === 'undefined')) { + b = this.view[offset++]; part1 |= (b & 0x7F) << 7; if ((b & 0x80) || (this.noAssert && typeof b === 'undefined')) { + b = this.view[offset++]; part1 |= (b & 0x7F) << 14; if ((b & 0x80) || (this.noAssert && typeof b === 'undefined')) { + b = this.view[offset++]; part1 |= (b & 0x7F) << 21; if ((b & 0x80) || (this.noAssert && typeof b === 'undefined')) { + b = this.view[offset++]; part2 = (b & 0x7F) ; if ((b & 0x80) || (this.noAssert && typeof b === 'undefined')) { + b = this.view[offset++]; part2 |= (b & 0x7F) << 7; if ((b & 0x80) || (this.noAssert && typeof b === 'undefined')) { + throw Error("Buffer overrun"); }}}}}}}}}} + var value = Long.fromBits(part0 | (part1 << 28), (part1 >>> 4) | (part2) << 24, false); + if (relative) { + this.offset = offset; + return value; + } else { + return { + 'value': value, + 'length': offset-start + }; + } + }; + + /** + * Reads a zig-zag encoded 64bit base 128 variable-length integer. Requires Long.js. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * read if omitted. + * @returns {!Long|!{value: Long, length: number}} The value read if offset is omitted, else the value read and + * the actual number of bytes read. + * @throws {Error} If it's not a valid varint + * @expose + */ + ByteBufferPrototype.readVarint64ZigZag = function(offset) { + var val = this.readVarint64(offset); + if (val && val['value'] instanceof Long) + val["value"] = ByteBuffer.zigZagDecode64(val["value"]); + else + val = ByteBuffer.zigZagDecode64(val); + return val; + }; + + } // Long + + + // types/strings/cstring + + /** + * Writes a NULL-terminated UTF8 encoded string. For this to work the specified string must not contain any NULL + * characters itself. + * @param {string} str String to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * contained in `str` + 1 if omitted. + * @returns {!ByteBuffer|number} this if offset is omitted, else the actual number of bytes written + * @expose + */ + ByteBufferPrototype.writeCString = function(str, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + var i, + k = str.length; + if (!this.noAssert) { + if (typeof str !== 'string') + throw TypeError("Illegal str: Not a string"); + for (i=0; i>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + // UTF8 strings do not contain zero bytes in between except for the zero character, so: + k = utfx.calculateUTF16asUTF8(stringSource(str))[1]; + offset += k+1; + var capacity12 = this.buffer.byteLength; + if (offset > capacity12) + this.resize((capacity12 *= 2) > offset ? capacity12 : offset); + offset -= k+1; + utfx.encodeUTF16toUTF8(stringSource(str), function(b) { + this.view[offset++] = b; + }.bind(this)); + this.view[offset++] = 0; + if (relative) { + this.offset = offset; + return this; + } + return k; + }; + + /** + * Reads a NULL-terminated UTF8 encoded string. For this to work the string read must not contain any NULL characters + * itself. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * read if omitted. + * @returns {string|!{string: string, length: number}} The string read if offset is omitted, else the string + * read and the actual number of bytes read. + * @expose + */ + ByteBufferPrototype.readCString = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 1 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+1+") <= "+this.buffer.byteLength); + } + var start = offset, + temp; + // UTF8 strings do not contain zero bytes in between except for the zero character itself, so: + var sd, b = -1; + utfx.decodeUTF8toUTF16(function() { + if (b === 0) return null; + if (offset >= this.limit) + throw RangeError("Illegal range: Truncated data, "+offset+" < "+this.limit); + b = this.view[offset++]; + return b === 0 ? null : b; + }.bind(this), sd = stringDestination(), true); + if (relative) { + this.offset = offset; + return sd(); + } else { + return { + "string": sd(), + "length": offset - start + }; + } + }; + + // types/strings/istring + + /** + * Writes a length as uint32 prefixed UTF8 encoded string. + * @param {string} str String to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * written if omitted. + * @returns {!ByteBuffer|number} `this` if `offset` is omitted, else the actual number of bytes written + * @expose + * @see ByteBuffer#writeVarint32 + */ + ByteBufferPrototype.writeIString = function(str, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof str !== 'string') + throw TypeError("Illegal str: Not a string"); + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + var start = offset, + k; + k = utfx.calculateUTF16asUTF8(stringSource(str), this.noAssert)[1]; + offset += 4+k; + var capacity13 = this.buffer.byteLength; + if (offset > capacity13) + this.resize((capacity13 *= 2) > offset ? capacity13 : offset); + offset -= 4+k; + if (this.littleEndian) { + this.view[offset+3] = (k >>> 24) & 0xFF; + this.view[offset+2] = (k >>> 16) & 0xFF; + this.view[offset+1] = (k >>> 8) & 0xFF; + this.view[offset ] = k & 0xFF; + } else { + this.view[offset ] = (k >>> 24) & 0xFF; + this.view[offset+1] = (k >>> 16) & 0xFF; + this.view[offset+2] = (k >>> 8) & 0xFF; + this.view[offset+3] = k & 0xFF; + } + offset += 4; + utfx.encodeUTF16toUTF8(stringSource(str), function(b) { + this.view[offset++] = b; + }.bind(this)); + if (offset !== start + 4 + k) + throw RangeError("Illegal range: Truncated data, "+offset+" == "+(offset+4+k)); + if (relative) { + this.offset = offset; + return this; + } + return offset - start; + }; + + /** + * Reads a length as uint32 prefixed UTF8 encoded string. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * read if omitted. + * @returns {string|!{string: string, length: number}} The string read if offset is omitted, else the string + * read and the actual number of bytes read. + * @expose + * @see ByteBuffer#readVarint32 + */ + ByteBufferPrototype.readIString = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 4 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+4+") <= "+this.buffer.byteLength); + } + var start = offset; + var len = this.readUint32(offset); + var str = this.readUTF8String(len, ByteBuffer.METRICS_BYTES, offset += 4); + offset += str['length']; + if (relative) { + this.offset = offset; + return str['string']; + } else { + return { + 'string': str['string'], + 'length': offset - start + }; + } + }; + + // types/strings/utf8string + + /** + * Metrics representing number of UTF8 characters. Evaluates to `c`. + * @type {string} + * @const + * @expose + */ + ByteBuffer.METRICS_CHARS = 'c'; + + /** + * Metrics representing number of bytes. Evaluates to `b`. + * @type {string} + * @const + * @expose + */ + ByteBuffer.METRICS_BYTES = 'b'; + + /** + * Writes an UTF8 encoded string. + * @param {string} str String to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} if omitted. + * @returns {!ByteBuffer|number} this if offset is omitted, else the actual number of bytes written. + * @expose + */ + ByteBufferPrototype.writeUTF8String = function(str, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + var k; + var start = offset; + k = utfx.calculateUTF16asUTF8(stringSource(str))[1]; + offset += k; + var capacity14 = this.buffer.byteLength; + if (offset > capacity14) + this.resize((capacity14 *= 2) > offset ? capacity14 : offset); + offset -= k; + utfx.encodeUTF16toUTF8(stringSource(str), function(b) { + this.view[offset++] = b; + }.bind(this)); + if (relative) { + this.offset = offset; + return this; + } + return offset - start; + }; + + /** + * Writes an UTF8 encoded string. This is an alias of {@link ByteBuffer#writeUTF8String}. + * @function + * @param {string} str String to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} if omitted. + * @returns {!ByteBuffer|number} this if offset is omitted, else the actual number of bytes written. + * @expose + */ + ByteBufferPrototype.writeString = ByteBufferPrototype.writeUTF8String; + + /** + * Calculates the number of UTF8 characters of a string. JavaScript itself uses UTF-16, so that a string's + * `length` property does not reflect its actual UTF8 size if it contains code points larger than 0xFFFF. + * @param {string} str String to calculate + * @returns {number} Number of UTF8 characters + * @expose + */ + ByteBuffer.calculateUTF8Chars = function(str) { + return utfx.calculateUTF16asUTF8(stringSource(str))[0]; + }; + + /** + * Calculates the number of UTF8 bytes of a string. + * @param {string} str String to calculate + * @returns {number} Number of UTF8 bytes + * @expose + */ + ByteBuffer.calculateUTF8Bytes = function(str) { + return utfx.calculateUTF16asUTF8(stringSource(str))[1]; + }; + + /** + * Calculates the number of UTF8 bytes of a string. This is an alias of {@link ByteBuffer.calculateUTF8Bytes}. + * @function + * @param {string} str String to calculate + * @returns {number} Number of UTF8 bytes + * @expose + */ + ByteBuffer.calculateString = ByteBuffer.calculateUTF8Bytes; + + /** + * Reads an UTF8 encoded string. + * @param {number} length Number of characters or bytes to read. + * @param {string=} metrics Metrics specifying what `length` is meant to count. Defaults to + * {@link ByteBuffer.METRICS_CHARS}. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * read if omitted. + * @returns {string|!{string: string, length: number}} The string read if offset is omitted, else the string + * read and the actual number of bytes read. + * @expose + */ + ByteBufferPrototype.readUTF8String = function(length, metrics, offset) { + if (typeof metrics === 'number') { + offset = metrics; + metrics = undefined; + } + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (typeof metrics === 'undefined') metrics = ByteBuffer.METRICS_CHARS; + if (!this.noAssert) { + if (typeof length !== 'number' || length % 1 !== 0) + throw TypeError("Illegal length: "+length+" (not an integer)"); + length |= 0; + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + var i = 0, + start = offset, + sd; + if (metrics === ByteBuffer.METRICS_CHARS) { // The same for node and the browser + sd = stringDestination(); + utfx.decodeUTF8(function() { + return i < length && offset < this.limit ? this.view[offset++] : null; + }.bind(this), function(cp) { + ++i; utfx.UTF8toUTF16(cp, sd); + }); + if (i !== length) + throw RangeError("Illegal range: Truncated data, "+i+" == "+length); + if (relative) { + this.offset = offset; + return sd(); + } else { + return { + "string": sd(), + "length": offset - start + }; + } + } else if (metrics === ByteBuffer.METRICS_BYTES) { + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + length > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+length+") <= "+this.buffer.byteLength); + } + var k = offset + length; + utfx.decodeUTF8toUTF16(function() { + return offset < k ? this.view[offset++] : null; + }.bind(this), sd = stringDestination(), this.noAssert); + if (offset !== k) + throw RangeError("Illegal range: Truncated data, "+offset+" == "+k); + if (relative) { + this.offset = offset; + return sd(); + } else { + return { + 'string': sd(), + 'length': offset - start + }; + } + } else + throw TypeError("Unsupported metrics: "+metrics); + }; + + /** + * Reads an UTF8 encoded string. This is an alias of {@link ByteBuffer#readUTF8String}. + * @function + * @param {number} length Number of characters or bytes to read + * @param {number=} metrics Metrics specifying what `n` is meant to count. Defaults to + * {@link ByteBuffer.METRICS_CHARS}. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * read if omitted. + * @returns {string|!{string: string, length: number}} The string read if offset is omitted, else the string + * read and the actual number of bytes read. + * @expose + */ + ByteBufferPrototype.readString = ByteBufferPrototype.readUTF8String; + + // types/strings/vstring + + /** + * Writes a length as varint32 prefixed UTF8 encoded string. + * @param {string} str String to write + * @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * written if omitted. + * @returns {!ByteBuffer|number} `this` if `offset` is omitted, else the actual number of bytes written + * @expose + * @see ByteBuffer#writeVarint32 + */ + ByteBufferPrototype.writeVString = function(str, offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof str !== 'string') + throw TypeError("Illegal str: Not a string"); + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + var start = offset, + k, l; + k = utfx.calculateUTF16asUTF8(stringSource(str), this.noAssert)[1]; + l = ByteBuffer.calculateVarint32(k); + offset += l+k; + var capacity15 = this.buffer.byteLength; + if (offset > capacity15) + this.resize((capacity15 *= 2) > offset ? capacity15 : offset); + offset -= l+k; + offset += this.writeVarint32(k, offset); + utfx.encodeUTF16toUTF8(stringSource(str), function(b) { + this.view[offset++] = b; + }.bind(this)); + if (offset !== start+k+l) + throw RangeError("Illegal range: Truncated data, "+offset+" == "+(offset+k+l)); + if (relative) { + this.offset = offset; + return this; + } + return offset - start; + }; + + /** + * Reads a length as varint32 prefixed UTF8 encoded string. + * @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * read if omitted. + * @returns {string|!{string: string, length: number}} The string read if offset is omitted, else the string + * read and the actual number of bytes read. + * @expose + * @see ByteBuffer#readVarint32 + */ + ByteBufferPrototype.readVString = function(offset) { + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 1 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+1+") <= "+this.buffer.byteLength); + } + var start = offset; + var len = this.readVarint32(offset); + var str = this.readUTF8String(len['value'], ByteBuffer.METRICS_BYTES, offset += len['length']); + offset += str['length']; + if (relative) { + this.offset = offset; + return str['string']; + } else { + return { + 'string': str['string'], + 'length': offset - start + }; + } + }; + + + /** + * Appends some data to this ByteBuffer. This will overwrite any contents behind the specified offset up to the appended + * data's length. + * @param {!ByteBuffer|!ArrayBuffer|!Uint8Array|string} source Data to append. If `source` is a ByteBuffer, its offsets + * will be modified according to the performed read operation. + * @param {(string|number)=} encoding Encoding if `data` is a string ("base64", "hex", "binary", defaults to "utf8") + * @param {number=} offset Offset to append at. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * written if omitted. + * @returns {!ByteBuffer} this + * @expose + * @example A relative `<01 02>03.append(<04 05>)` will result in `<01 02 04 05>, 04 05|` + * @example An absolute `<01 02>03.append(04 05>, 1)` will result in `<01 04>05, 04 05|` + */ + ByteBufferPrototype.append = function(source, encoding, offset) { + if (typeof encoding === 'number' || typeof encoding !== 'string') { + offset = encoding; + encoding = undefined; + } + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + if (!(source instanceof ByteBuffer)) + source = ByteBuffer.wrap(source, encoding); + var length = source.limit - source.offset; + if (length <= 0) return this; // Nothing to append + offset += length; + var capacity16 = this.buffer.byteLength; + if (offset > capacity16) + this.resize((capacity16 *= 2) > offset ? capacity16 : offset); + offset -= length; + this.view.set(source.view.subarray(source.offset, source.limit), offset); + source.offset += length; + if (relative) this.offset += length; + return this; + }; + + /** + * Appends this ByteBuffer's contents to another ByteBuffer. This will overwrite any contents at and after the + specified offset up to the length of this ByteBuffer's data. + * @param {!ByteBuffer} target Target ByteBuffer + * @param {number=} offset Offset to append to. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * read if omitted. + * @returns {!ByteBuffer} this + * @expose + * @see ByteBuffer#append + */ + ByteBufferPrototype.appendTo = function(target, offset) { + target.append(this, offset); + return this; + }; + + /** + * Enables or disables assertions of argument types and offsets. Assertions are enabled by default but you can opt to + * disable them if your code already makes sure that everything is valid. + * @param {boolean} assert `true` to enable assertions, otherwise `false` + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.assert = function(assert) { + this.noAssert = !assert; + return this; + }; + + /** + * Gets the capacity of this ByteBuffer's backing buffer. + * @returns {number} Capacity of the backing buffer + * @expose + */ + ByteBufferPrototype.capacity = function() { + return this.buffer.byteLength; + }; + /** + * Clears this ByteBuffer's offsets by setting {@link ByteBuffer#offset} to `0` and {@link ByteBuffer#limit} to the + * backing buffer's capacity. Discards {@link ByteBuffer#markedOffset}. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.clear = function() { + this.offset = 0; + this.limit = this.buffer.byteLength; + this.markedOffset = -1; + return this; + }; + + /** + * Creates a cloned instance of this ByteBuffer, preset with this ByteBuffer's values for {@link ByteBuffer#offset}, + * {@link ByteBuffer#markedOffset} and {@link ByteBuffer#limit}. + * @param {boolean=} copy Whether to copy the backing buffer or to return another view on the same, defaults to `false` + * @returns {!ByteBuffer} Cloned instance + * @expose + */ + ByteBufferPrototype.clone = function(copy) { + var bb = new ByteBuffer(0, this.littleEndian, this.noAssert); + if (copy) { + bb.buffer = new ArrayBuffer(this.buffer.byteLength); + bb.view = new Uint8Array(bb.buffer); + } else { + bb.buffer = this.buffer; + bb.view = this.view; + } + bb.offset = this.offset; + bb.markedOffset = this.markedOffset; + bb.limit = this.limit; + return bb; + }; + + /** + * Compacts this ByteBuffer to be backed by a {@link ByteBuffer#buffer} of its contents' length. Contents are the bytes + * between {@link ByteBuffer#offset} and {@link ByteBuffer#limit}. Will set `offset = 0` and `limit = capacity` and + * adapt {@link ByteBuffer#markedOffset} to the same relative position if set. + * @param {number=} begin Offset to start at, defaults to {@link ByteBuffer#offset} + * @param {number=} end Offset to end at, defaults to {@link ByteBuffer#limit} + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.compact = function(begin, end) { + if (typeof begin === 'undefined') begin = this.offset; + if (typeof end === 'undefined') end = this.limit; + if (!this.noAssert) { + if (typeof begin !== 'number' || begin % 1 !== 0) + throw TypeError("Illegal begin: Not an integer"); + begin >>>= 0; + if (typeof end !== 'number' || end % 1 !== 0) + throw TypeError("Illegal end: Not an integer"); + end >>>= 0; + if (begin < 0 || begin > end || end > this.buffer.byteLength) + throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength); + } + if (begin === 0 && end === this.buffer.byteLength) + return this; // Already compacted + var len = end - begin; + if (len === 0) { + this.buffer = EMPTY_BUFFER; + this.view = null; + if (this.markedOffset >= 0) this.markedOffset -= begin; + this.offset = 0; + this.limit = 0; + return this; + } + var buffer = new ArrayBuffer(len); + var view = new Uint8Array(buffer); + view.set(this.view.subarray(begin, end)); + this.buffer = buffer; + this.view = view; + if (this.markedOffset >= 0) this.markedOffset -= begin; + this.offset = 0; + this.limit = len; + return this; + }; + + /** + * Creates a copy of this ByteBuffer's contents. Contents are the bytes between {@link ByteBuffer#offset} and + * {@link ByteBuffer#limit}. + * @param {number=} begin Begin offset, defaults to {@link ByteBuffer#offset}. + * @param {number=} end End offset, defaults to {@link ByteBuffer#limit}. + * @returns {!ByteBuffer} Copy + * @expose + */ + ByteBufferPrototype.copy = function(begin, end) { + if (typeof begin === 'undefined') begin = this.offset; + if (typeof end === 'undefined') end = this.limit; + if (!this.noAssert) { + if (typeof begin !== 'number' || begin % 1 !== 0) + throw TypeError("Illegal begin: Not an integer"); + begin >>>= 0; + if (typeof end !== 'number' || end % 1 !== 0) + throw TypeError("Illegal end: Not an integer"); + end >>>= 0; + if (begin < 0 || begin > end || end > this.buffer.byteLength) + throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength); + } + if (begin === end) + return new ByteBuffer(0, this.littleEndian, this.noAssert); + var capacity = end - begin, + bb = new ByteBuffer(capacity, this.littleEndian, this.noAssert); + bb.offset = 0; + bb.limit = capacity; + if (bb.markedOffset >= 0) bb.markedOffset -= begin; + this.copyTo(bb, 0, begin, end); + return bb; + }; + + /** + * Copies this ByteBuffer's contents to another ByteBuffer. Contents are the bytes between {@link ByteBuffer#offset} and + * {@link ByteBuffer#limit}. + * @param {!ByteBuffer} target Target ByteBuffer + * @param {number=} targetOffset Offset to copy to. Will use and increase the target's {@link ByteBuffer#offset} + * by the number of bytes copied if omitted. + * @param {number=} sourceOffset Offset to start copying from. Will use and increase {@link ByteBuffer#offset} by the + * number of bytes copied if omitted. + * @param {number=} sourceLimit Offset to end copying from, defaults to {@link ByteBuffer#limit} + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.copyTo = function(target, targetOffset, sourceOffset, sourceLimit) { + var relative, + targetRelative; + if (!this.noAssert) { + if (!ByteBuffer.isByteBuffer(target)) + throw TypeError("Illegal target: Not a ByteBuffer"); + } + targetOffset = (targetRelative = typeof targetOffset === 'undefined') ? target.offset : targetOffset | 0; + sourceOffset = (relative = typeof sourceOffset === 'undefined') ? this.offset : sourceOffset | 0; + sourceLimit = typeof sourceLimit === 'undefined' ? this.limit : sourceLimit | 0; + + if (targetOffset < 0 || targetOffset > target.buffer.byteLength) + throw RangeError("Illegal target range: 0 <= "+targetOffset+" <= "+target.buffer.byteLength); + if (sourceOffset < 0 || sourceLimit > this.buffer.byteLength) + throw RangeError("Illegal source range: 0 <= "+sourceOffset+" <= "+this.buffer.byteLength); + + var len = sourceLimit - sourceOffset; + if (len === 0) + return target; // Nothing to copy + + target.ensureCapacity(targetOffset + len); + + target.view.set(this.view.subarray(sourceOffset, sourceLimit), targetOffset); + + if (relative) this.offset += len; + if (targetRelative) target.offset += len; + + return this; + }; + + /** + * Makes sure that this ByteBuffer is backed by a {@link ByteBuffer#buffer} of at least the specified capacity. If the + * current capacity is exceeded, it will be doubled. If double the current capacity is less than the required capacity, + * the required capacity will be used instead. + * @param {number} capacity Required capacity + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.ensureCapacity = function(capacity) { + var current = this.buffer.byteLength; + if (current < capacity) + return this.resize((current *= 2) > capacity ? current : capacity); + return this; + }; + + /** + * Overwrites this ByteBuffer's contents with the specified value. Contents are the bytes between + * {@link ByteBuffer#offset} and {@link ByteBuffer#limit}. + * @param {number|string} value Byte value to fill with. If given as a string, the first character is used. + * @param {number=} begin Begin offset. Will use and increase {@link ByteBuffer#offset} by the number of bytes + * written if omitted. defaults to {@link ByteBuffer#offset}. + * @param {number=} end End offset, defaults to {@link ByteBuffer#limit}. + * @returns {!ByteBuffer} this + * @expose + * @example `someByteBuffer.clear().fill(0)` fills the entire backing buffer with zeroes + */ + ByteBufferPrototype.fill = function(value, begin, end) { + var relative = typeof begin === 'undefined'; + if (relative) begin = this.offset; + if (typeof value === 'string' && value.length > 0) + value = value.charCodeAt(0); + if (typeof begin === 'undefined') begin = this.offset; + if (typeof end === 'undefined') end = this.limit; + if (!this.noAssert) { + if (typeof value !== 'number' || value % 1 !== 0) + throw TypeError("Illegal value: "+value+" (not an integer)"); + value |= 0; + if (typeof begin !== 'number' || begin % 1 !== 0) + throw TypeError("Illegal begin: Not an integer"); + begin >>>= 0; + if (typeof end !== 'number' || end % 1 !== 0) + throw TypeError("Illegal end: Not an integer"); + end >>>= 0; + if (begin < 0 || begin > end || end > this.buffer.byteLength) + throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength); + } + if (begin >= end) + return this; // Nothing to fill + while (begin < end) this.view[begin++] = value; + if (relative) this.offset = begin; + return this; + }; + + /** + * Makes this ByteBuffer ready for a new sequence of write or relative read operations. Sets `limit = offset` and + * `offset = 0`. Make sure always to flip a ByteBuffer when all relative read or write operations are complete. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.flip = function() { + this.limit = this.offset; + this.offset = 0; + return this; + }; + /** + * Marks an offset on this ByteBuffer to be used later. + * @param {number=} offset Offset to mark. Defaults to {@link ByteBuffer#offset}. + * @returns {!ByteBuffer} this + * @throws {TypeError} If `offset` is not a valid number + * @throws {RangeError} If `offset` is out of bounds + * @see ByteBuffer#reset + * @expose + */ + ByteBufferPrototype.mark = function(offset) { + offset = typeof offset === 'undefined' ? this.offset : offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + this.markedOffset = offset; + return this; + }; + /** + * Sets the byte order. + * @param {boolean} littleEndian `true` for little endian byte order, `false` for big endian + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.order = function(littleEndian) { + if (!this.noAssert) { + if (typeof littleEndian !== 'boolean') + throw TypeError("Illegal littleEndian: Not a boolean"); + } + this.littleEndian = !!littleEndian; + return this; + }; + + /** + * Switches (to) little endian byte order. + * @param {boolean=} littleEndian Defaults to `true`, otherwise uses big endian + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.LE = function(littleEndian) { + this.littleEndian = typeof littleEndian !== 'undefined' ? !!littleEndian : true; + return this; + }; + + /** + * Switches (to) big endian byte order. + * @param {boolean=} bigEndian Defaults to `true`, otherwise uses little endian + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.BE = function(bigEndian) { + this.littleEndian = typeof bigEndian !== 'undefined' ? !bigEndian : false; + return this; + }; + /** + * Prepends some data to this ByteBuffer. This will overwrite any contents before the specified offset up to the + * prepended data's length. If there is not enough space available before the specified `offset`, the backing buffer + * will be resized and its contents moved accordingly. + * @param {!ByteBuffer|string|!ArrayBuffer} source Data to prepend. If `source` is a ByteBuffer, its offset will be + * modified according to the performed read operation. + * @param {(string|number)=} encoding Encoding if `data` is a string ("base64", "hex", "binary", defaults to "utf8") + * @param {number=} offset Offset to prepend at. Will use and decrease {@link ByteBuffer#offset} by the number of bytes + * prepended if omitted. + * @returns {!ByteBuffer} this + * @expose + * @example A relative `00<01 02 03>.prepend(<04 05>)` results in `<04 05 01 02 03>, 04 05|` + * @example An absolute `00<01 02 03>.prepend(<04 05>, 2)` results in `04<05 02 03>, 04 05|` + */ + ByteBufferPrototype.prepend = function(source, encoding, offset) { + if (typeof encoding === 'number' || typeof encoding !== 'string') { + offset = encoding; + encoding = undefined; + } + var relative = typeof offset === 'undefined'; + if (relative) offset = this.offset; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: "+offset+" (not an integer)"); + offset >>>= 0; + if (offset < 0 || offset + 0 > this.buffer.byteLength) + throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength); + } + if (!(source instanceof ByteBuffer)) + source = ByteBuffer.wrap(source, encoding); + var len = source.limit - source.offset; + if (len <= 0) return this; // Nothing to prepend + var diff = len - offset; + if (diff > 0) { // Not enough space before offset, so resize + move + var buffer = new ArrayBuffer(this.buffer.byteLength + diff); + var view = new Uint8Array(buffer); + view.set(this.view.subarray(offset, this.buffer.byteLength), len); + this.buffer = buffer; + this.view = view; + this.offset += diff; + if (this.markedOffset >= 0) this.markedOffset += diff; + this.limit += diff; + offset += diff; + } else { + var arrayView = new Uint8Array(this.buffer); + } + this.view.set(source.view.subarray(source.offset, source.limit), offset - len); + + source.offset = source.limit; + if (relative) + this.offset -= len; + return this; + }; + + /** + * Prepends this ByteBuffer to another ByteBuffer. This will overwrite any contents before the specified offset up to the + * prepended data's length. If there is not enough space available before the specified `offset`, the backing buffer + * will be resized and its contents moved accordingly. + * @param {!ByteBuffer} target Target ByteBuffer + * @param {number=} offset Offset to prepend at. Will use and decrease {@link ByteBuffer#offset} by the number of bytes + * prepended if omitted. + * @returns {!ByteBuffer} this + * @expose + * @see ByteBuffer#prepend + */ + ByteBufferPrototype.prependTo = function(target, offset) { + target.prepend(this, offset); + return this; + }; + /** + * Prints debug information about this ByteBuffer's contents. + * @param {function(string)=} out Output function to call, defaults to console.log + * @expose + */ + ByteBufferPrototype.printDebug = function(out) { + if (typeof out !== 'function') out = console.log.bind(console); + out( + this.toString()+"\n"+ + "-------------------------------------------------------------------\n"+ + this.toDebug(/* columns */ true) + ); + }; + + /** + * Gets the number of remaining readable bytes. Contents are the bytes between {@link ByteBuffer#offset} and + * {@link ByteBuffer#limit}, so this returns `limit - offset`. + * @returns {number} Remaining readable bytes. May be negative if `offset > limit`. + * @expose + */ + ByteBufferPrototype.remaining = function() { + return this.limit - this.offset; + }; + /** + * Resets this ByteBuffer's {@link ByteBuffer#offset}. If an offset has been marked through {@link ByteBuffer#mark} + * before, `offset` will be set to {@link ByteBuffer#markedOffset}, which will then be discarded. If no offset has been + * marked, sets `offset = 0`. + * @returns {!ByteBuffer} this + * @see ByteBuffer#mark + * @expose + */ + ByteBufferPrototype.reset = function() { + if (this.markedOffset >= 0) { + this.offset = this.markedOffset; + this.markedOffset = -1; + } else { + this.offset = 0; + } + return this; + }; + /** + * Resizes this ByteBuffer to be backed by a buffer of at least the given capacity. Will do nothing if already that + * large or larger. + * @param {number} capacity Capacity required + * @returns {!ByteBuffer} this + * @throws {TypeError} If `capacity` is not a number + * @throws {RangeError} If `capacity < 0` + * @expose + */ + ByteBufferPrototype.resize = function(capacity) { + if (!this.noAssert) { + if (typeof capacity !== 'number' || capacity % 1 !== 0) + throw TypeError("Illegal capacity: "+capacity+" (not an integer)"); + capacity |= 0; + if (capacity < 0) + throw RangeError("Illegal capacity: 0 <= "+capacity); + } + if (this.buffer.byteLength < capacity) { + var buffer = new ArrayBuffer(capacity); + var view = new Uint8Array(buffer); + view.set(this.view); + this.buffer = buffer; + this.view = view; + } + return this; + }; + /** + * Reverses this ByteBuffer's contents. + * @param {number=} begin Offset to start at, defaults to {@link ByteBuffer#offset} + * @param {number=} end Offset to end at, defaults to {@link ByteBuffer#limit} + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.reverse = function(begin, end) { + if (typeof begin === 'undefined') begin = this.offset; + if (typeof end === 'undefined') end = this.limit; + if (!this.noAssert) { + if (typeof begin !== 'number' || begin % 1 !== 0) + throw TypeError("Illegal begin: Not an integer"); + begin >>>= 0; + if (typeof end !== 'number' || end % 1 !== 0) + throw TypeError("Illegal end: Not an integer"); + end >>>= 0; + if (begin < 0 || begin > end || end > this.buffer.byteLength) + throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength); + } + if (begin === end) + return this; // Nothing to reverse + Array.prototype.reverse.call(this.view.subarray(begin, end)); + return this; + }; + /** + * Skips the next `length` bytes. This will just advance + * @param {number} length Number of bytes to skip. May also be negative to move the offset back. + * @returns {!ByteBuffer} this + * @expose + */ + ByteBufferPrototype.skip = function(length) { + if (!this.noAssert) { + if (typeof length !== 'number' || length % 1 !== 0) + throw TypeError("Illegal length: "+length+" (not an integer)"); + length |= 0; + } + var offset = this.offset + length; + if (!this.noAssert) { + if (offset < 0 || offset > this.buffer.byteLength) + throw RangeError("Illegal length: 0 <= "+this.offset+" + "+length+" <= "+this.buffer.byteLength); + } + this.offset = offset; + return this; + }; + + /** + * Slices this ByteBuffer by creating a cloned instance with `offset = begin` and `limit = end`. + * @param {number=} begin Begin offset, defaults to {@link ByteBuffer#offset}. + * @param {number=} end End offset, defaults to {@link ByteBuffer#limit}. + * @returns {!ByteBuffer} Clone of this ByteBuffer with slicing applied, backed by the same {@link ByteBuffer#buffer} + * @expose + */ + ByteBufferPrototype.slice = function(begin, end) { + if (typeof begin === 'undefined') begin = this.offset; + if (typeof end === 'undefined') end = this.limit; + if (!this.noAssert) { + if (typeof begin !== 'number' || begin % 1 !== 0) + throw TypeError("Illegal begin: Not an integer"); + begin >>>= 0; + if (typeof end !== 'number' || end % 1 !== 0) + throw TypeError("Illegal end: Not an integer"); + end >>>= 0; + if (begin < 0 || begin > end || end > this.buffer.byteLength) + throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength); + } + var bb = this.clone(); + bb.offset = begin; + bb.limit = end; + return bb; + }; + /** + * Returns a copy of the backing buffer that contains this ByteBuffer's contents. Contents are the bytes between + * {@link ByteBuffer#offset} and {@link ByteBuffer#limit}. + * @param {boolean=} forceCopy If `true` returns a copy, otherwise returns a view referencing the same memory if + * possible. Defaults to `false` + * @returns {!ArrayBuffer} Contents as an ArrayBuffer + * @expose + */ + ByteBufferPrototype.toBuffer = function(forceCopy) { + var offset = this.offset, + limit = this.limit; + if (!this.noAssert) { + if (typeof offset !== 'number' || offset % 1 !== 0) + throw TypeError("Illegal offset: Not an integer"); + offset >>>= 0; + if (typeof limit !== 'number' || limit % 1 !== 0) + throw TypeError("Illegal limit: Not an integer"); + limit >>>= 0; + if (offset < 0 || offset > limit || limit > this.buffer.byteLength) + throw RangeError("Illegal range: 0 <= "+offset+" <= "+limit+" <= "+this.buffer.byteLength); + } + // NOTE: It's not possible to have another ArrayBuffer reference the same memory as the backing buffer. This is + // possible with Uint8Array#subarray only, but we have to return an ArrayBuffer by contract. So: + if (!forceCopy && offset === 0 && limit === this.buffer.byteLength) + return this.buffer; + if (offset === limit) + return EMPTY_BUFFER; + var buffer = new ArrayBuffer(limit - offset); + new Uint8Array(buffer).set(new Uint8Array(this.buffer).subarray(offset, limit), 0); + return buffer; + }; + + /** + * Returns a raw buffer compacted to contain this ByteBuffer's contents. Contents are the bytes between + * {@link ByteBuffer#offset} and {@link ByteBuffer#limit}. This is an alias of {@link ByteBuffer#toBuffer}. + * @function + * @param {boolean=} forceCopy If `true` returns a copy, otherwise returns a view referencing the same memory. + * Defaults to `false` + * @returns {!ArrayBuffer} Contents as an ArrayBuffer + * @expose + */ + ByteBufferPrototype.toArrayBuffer = ByteBufferPrototype.toBuffer; + + /** + * Converts the ByteBuffer's contents to a string. + * @param {string=} encoding Output encoding. Returns an informative string representation if omitted but also allows + * direct conversion to "utf8", "hex", "base64" and "binary" encoding. "debug" returns a hex representation with + * highlighted offsets. + * @param {number=} begin Offset to begin at, defaults to {@link ByteBuffer#offset} + * @param {number=} end Offset to end at, defaults to {@link ByteBuffer#limit} + * @returns {string} String representation + * @throws {Error} If `encoding` is invalid + * @expose + */ + ByteBufferPrototype.toString = function(encoding, begin, end) { + if (typeof encoding === 'undefined') + return "ByteBufferAB(offset="+this.offset+",markedOffset="+this.markedOffset+",limit="+this.limit+",capacity="+this.capacity()+")"; + if (typeof encoding === 'number') + encoding = "utf8", + begin = encoding, + end = begin; + switch (encoding) { + case "utf8": + return this.toUTF8(begin, end); + case "base64": + return this.toBase64(begin, end); + case "hex": + return this.toHex(begin, end); + case "binary": + return this.toBinary(begin, end); + case "debug": + return this.toDebug(); + case "columns": + return this.toColumns(); + default: + throw Error("Unsupported encoding: "+encoding); + } + }; + + // lxiv-embeddable + + /** + * lxiv-embeddable (c) 2014 Daniel Wirtz + * Released under the Apache License, Version 2.0 + * see: https://github.com/dcodeIO/lxiv for details + */ + var lxiv = function() { + "use strict"; + + /** + * lxiv namespace. + * @type {!Object.} + * @exports lxiv + */ + var lxiv = {}; + + /** + * Character codes for output. + * @type {!Array.} + * @inner + */ + var aout = [ + 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, + 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 97, 98, 99, 100, 101, 102, + 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, + 119, 120, 121, 122, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 43, 47 + ]; + + /** + * Character codes for input. + * @type {!Array.} + * @inner + */ + var ain = []; + for (var i=0, k=aout.length; i>2)&0x3f]); + t = (b&0x3)<<4; + if ((b = src()) !== null) { + t |= (b>>4)&0xf; + dst(aout[(t|((b>>4)&0xf))&0x3f]); + t = (b&0xf)<<2; + if ((b = src()) !== null) + dst(aout[(t|((b>>6)&0x3))&0x3f]), + dst(aout[b&0x3f]); + else + dst(aout[t&0x3f]), + dst(61); + } else + dst(aout[t&0x3f]), + dst(61), + dst(61); + } + }; + + /** + * Decodes base64 char codes to bytes. + * @param {!function():number|null} src Characters source as a function returning the next char code respectively + * `null` if there are no more characters left. + * @param {!function(number)} dst Bytes destination as a function successively called with the next byte. + * @throws {Error} If a character code is invalid + */ + lxiv.decode = function(src, dst) { + var c, t1, t2; + function fail(c) { + throw Error("Illegal character code: "+c); + } + while ((c = src()) !== null) { + t1 = ain[c]; + if (typeof t1 === 'undefined') fail(c); + if ((c = src()) !== null) { + t2 = ain[c]; + if (typeof t2 === 'undefined') fail(c); + dst((t1<<2)>>>0|(t2&0x30)>>4); + if ((c = src()) !== null) { + t1 = ain[c]; + if (typeof t1 === 'undefined') + if (c === 61) break; else fail(c); + dst(((t2&0xf)<<4)>>>0|(t1&0x3c)>>2); + if ((c = src()) !== null) { + t2 = ain[c]; + if (typeof t2 === 'undefined') + if (c === 61) break; else fail(c); + dst(((t1&0x3)<<6)>>>0|t2); + } + } + } + } + }; + + /** + * Tests if a string is valid base64. + * @param {string} str String to test + * @returns {boolean} `true` if valid, otherwise `false` + */ + lxiv.test = function(str) { + return /^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/.test(str); + }; + + return lxiv; + }(); + + // encodings/base64 + + /** + * Encodes this ByteBuffer's contents to a base64 encoded string. + * @param {number=} begin Offset to begin at, defaults to {@link ByteBuffer#offset}. + * @param {number=} end Offset to end at, defaults to {@link ByteBuffer#limit}. + * @returns {string} Base64 encoded string + * @throws {RangeError} If `begin` or `end` is out of bounds + * @expose + */ + ByteBufferPrototype.toBase64 = function(begin, end) { + if (typeof begin === 'undefined') + begin = this.offset; + if (typeof end === 'undefined') + end = this.limit; + begin = begin | 0; end = end | 0; + if (begin < 0 || end > this.capacity || begin > end) + throw RangeError("begin, end"); + var sd; lxiv.encode(function() { + return begin < end ? this.view[begin++] : null; + }.bind(this), sd = stringDestination()); + return sd(); + }; + + /** + * Decodes a base64 encoded string to a ByteBuffer. + * @param {string} str String to decode + * @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to + * {@link ByteBuffer.DEFAULT_ENDIAN}. + * @returns {!ByteBuffer} ByteBuffer + * @expose + */ + ByteBuffer.fromBase64 = function(str, littleEndian) { + if (typeof str !== 'string') + throw TypeError("str"); + var bb = new ByteBuffer(str.length/4*3, littleEndian), + i = 0; + lxiv.decode(stringSource(str), function(b) { + bb.view[i++] = b; + }); + bb.limit = i; + return bb; + }; + + /** + * Encodes a binary string to base64 like `window.btoa` does. + * @param {string} str Binary string + * @returns {string} Base64 encoded string + * @see https://developer.mozilla.org/en-US/docs/Web/API/Window.btoa + * @expose + */ + ByteBuffer.btoa = function(str) { + return ByteBuffer.fromBinary(str).toBase64(); + }; + + /** + * Decodes a base64 encoded string to binary like `window.atob` does. + * @param {string} b64 Base64 encoded string + * @returns {string} Binary string + * @see https://developer.mozilla.org/en-US/docs/Web/API/Window.atob + * @expose + */ + ByteBuffer.atob = function(b64) { + return ByteBuffer.fromBase64(b64).toBinary(); + }; + + // encodings/binary + + /** + * Encodes this ByteBuffer to a binary encoded string, that is using only characters 0x00-0xFF as bytes. + * @param {number=} begin Offset to begin at. Defaults to {@link ByteBuffer#offset}. + * @param {number=} end Offset to end at. Defaults to {@link ByteBuffer#limit}. + * @returns {string} Binary encoded string + * @throws {RangeError} If `offset > limit` + * @expose + */ + ByteBufferPrototype.toBinary = function(begin, end) { + if (typeof begin === 'undefined') + begin = this.offset; + if (typeof end === 'undefined') + end = this.limit; + begin |= 0; end |= 0; + if (begin < 0 || end > this.capacity() || begin > end) + throw RangeError("begin, end"); + if (begin === end) + return ""; + var chars = [], + parts = []; + while (begin < end) { + chars.push(this.view[begin++]); + if (chars.length >= 1024) + parts.push(String.fromCharCode.apply(String, chars)), + chars = []; + } + return parts.join('') + String.fromCharCode.apply(String, chars); + }; + + /** + * Decodes a binary encoded string, that is using only characters 0x00-0xFF as bytes, to a ByteBuffer. + * @param {string} str String to decode + * @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to + * {@link ByteBuffer.DEFAULT_ENDIAN}. + * @returns {!ByteBuffer} ByteBuffer + * @expose + */ + ByteBuffer.fromBinary = function(str, littleEndian) { + if (typeof str !== 'string') + throw TypeError("str"); + var i = 0, + k = str.length, + charCode, + bb = new ByteBuffer(k, littleEndian); + while (i 0xff) + throw RangeError("illegal char code: "+charCode); + bb.view[i++] = charCode; + } + bb.limit = k; + return bb; + }; + + // encodings/debug + + /** + * Encodes this ByteBuffer to a hex encoded string with marked offsets. Offset symbols are: + * * `<` : offset, + * * `'` : markedOffset, + * * `>` : limit, + * * `|` : offset and limit, + * * `[` : offset and markedOffset, + * * `]` : markedOffset and limit, + * * `!` : offset, markedOffset and limit + * @param {boolean=} columns If `true` returns two columns hex + ascii, defaults to `false` + * @returns {string|!Array.} Debug string or array of lines if `asArray = true` + * @expose + * @example `>00'01 02<03` contains four bytes with `limit=0, markedOffset=1, offset=3` + * @example `00[01 02 03>` contains four bytes with `offset=markedOffset=1, limit=4` + * @example `00|01 02 03` contains four bytes with `offset=limit=1, markedOffset=-1` + * @example `|` contains zero bytes with `offset=limit=0, markedOffset=-1` + */ + ByteBufferPrototype.toDebug = function(columns) { + var i = -1, + k = this.buffer.byteLength, + b, + hex = "", + asc = "", + out = ""; + while (i 32 && b < 127 ? String.fromCharCode(b) : '.'; + } + ++i; + if (columns) { + if (i > 0 && i % 16 === 0 && i !== k) { + while (hex.length < 3*16+3) hex += " "; + out += hex+asc+"\n"; + hex = asc = ""; + } + } + if (i === this.offset && i === this.limit) + hex += i === this.markedOffset ? "!" : "|"; + else if (i === this.offset) + hex += i === this.markedOffset ? "[" : "<"; + else if (i === this.limit) + hex += i === this.markedOffset ? "]" : ">"; + else + hex += i === this.markedOffset ? "'" : (columns || (i !== 0 && i !== k) ? " " : ""); + } + if (columns && hex !== " ") { + while (hex.length < 3*16+3) + hex += " "; + out += hex + asc + "\n"; + } + return columns ? out : hex; + }; + + /** + * Decodes a hex encoded string with marked offsets to a ByteBuffer. + * @param {string} str Debug string to decode (not be generated with `columns = true`) + * @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to + * {@link ByteBuffer.DEFAULT_ENDIAN}. + * @param {boolean=} noAssert Whether to skip assertions of offsets and values. Defaults to + * {@link ByteBuffer.DEFAULT_NOASSERT}. + * @returns {!ByteBuffer} ByteBuffer + * @expose + * @see ByteBuffer#toDebug + */ + ByteBuffer.fromDebug = function(str, littleEndian, noAssert) { + var k = str.length, + bb = new ByteBuffer(((k+1)/3)|0, littleEndian, noAssert); + var i = 0, j = 0, ch, b, + rs = false, // Require symbol next + ho = false, hm = false, hl = false, // Already has offset (ho), markedOffset (hm), limit (hl)? + fail = false; + while (i': + if (!noAssert) { + if (hl) { + fail = true; + break; + } + hl = true; + } + bb.limit = j; + rs = false; + break; + case "'": + if (!noAssert) { + if (hm) { + fail = true; + break; + } + hm = true; + } + bb.markedOffset = j; + rs = false; + break; + case ' ': + rs = false; + break; + default: + if (!noAssert) { + if (rs) { + fail = true; + break; + } + } + b = parseInt(ch+str.charAt(i++), 16); + if (!noAssert) { + if (isNaN(b) || b < 0 || b > 255) + throw TypeError("Illegal str: Not a debug encoded string"); + } + bb.view[j++] = b; + rs = true; + } + if (fail) + throw TypeError("Illegal str: Invalid symbol at "+i); + } + if (!noAssert) { + if (!ho || !hl) + throw TypeError("Illegal str: Missing offset or limit"); + if (j>>= 0; + if (typeof end !== 'number' || end % 1 !== 0) + throw TypeError("Illegal end: Not an integer"); + end >>>= 0; + if (begin < 0 || begin > end || end > this.buffer.byteLength) + throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength); + } + var out = new Array(end - begin), + b; + while (begin < end) { + b = this.view[begin++]; + if (b < 0x10) + out.push("0", b.toString(16)); + else out.push(b.toString(16)); + } + return out.join(''); + }; + + /** + * Decodes a hex encoded string to a ByteBuffer. + * @param {string} str String to decode + * @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to + * {@link ByteBuffer.DEFAULT_ENDIAN}. + * @param {boolean=} noAssert Whether to skip assertions of offsets and values. Defaults to + * {@link ByteBuffer.DEFAULT_NOASSERT}. + * @returns {!ByteBuffer} ByteBuffer + * @expose + */ + ByteBuffer.fromHex = function(str, littleEndian, noAssert) { + if (!noAssert) { + if (typeof str !== 'string') + throw TypeError("Illegal str: Not a string"); + if (str.length % 2 !== 0) + throw TypeError("Illegal str: Length not a multiple of 2"); + } + var k = str.length, + bb = new ByteBuffer((k / 2) | 0, littleEndian), + b; + for (var i=0, j=0; i 255) + throw TypeError("Illegal str: Contains non-hex characters"); + bb.view[j++] = b; + } + bb.limit = j; + return bb; + }; + + // utfx-embeddable + + /** + * utfx-embeddable (c) 2014 Daniel Wirtz + * Released under the Apache License, Version 2.0 + * see: https://github.com/dcodeIO/utfx for details + */ + var utfx = function() { + "use strict"; + + /** + * utfx namespace. + * @inner + * @type {!Object.} + */ + var utfx = {}; + + /** + * Maximum valid code point. + * @type {number} + * @const + */ + utfx.MAX_CODEPOINT = 0x10FFFF; + + /** + * Encodes UTF8 code points to UTF8 bytes. + * @param {(!function():number|null) | number} src Code points source, either as a function returning the next code point + * respectively `null` if there are no more code points left or a single numeric code point. + * @param {!function(number)} dst Bytes destination as a function successively called with the next byte + */ + utfx.encodeUTF8 = function(src, dst) { + var cp = null; + if (typeof src === 'number') + cp = src, + src = function() { return null; }; + while (cp !== null || (cp = src()) !== null) { + if (cp < 0x80) + dst(cp&0x7F); + else if (cp < 0x800) + dst(((cp>>6)&0x1F)|0xC0), + dst((cp&0x3F)|0x80); + else if (cp < 0x10000) + dst(((cp>>12)&0x0F)|0xE0), + dst(((cp>>6)&0x3F)|0x80), + dst((cp&0x3F)|0x80); + else + dst(((cp>>18)&0x07)|0xF0), + dst(((cp>>12)&0x3F)|0x80), + dst(((cp>>6)&0x3F)|0x80), + dst((cp&0x3F)|0x80); + cp = null; + } + }; + + /** + * Decodes UTF8 bytes to UTF8 code points. + * @param {!function():number|null} src Bytes source as a function returning the next byte respectively `null` if there + * are no more bytes left. + * @param {!function(number)} dst Code points destination as a function successively called with each decoded code point. + * @throws {RangeError} If a starting byte is invalid in UTF8 + * @throws {Error} If the last sequence is truncated. Has an array property `bytes` holding the + * remaining bytes. + */ + utfx.decodeUTF8 = function(src, dst) { + var a, b, c, d, fail = function(b) { + b = b.slice(0, b.indexOf(null)); + var err = Error(b.toString()); + err.name = "TruncatedError"; + err['bytes'] = b; + throw err; + }; + while ((a = src()) !== null) { + if ((a&0x80) === 0) + dst(a); + else if ((a&0xE0) === 0xC0) + ((b = src()) === null) && fail([a, b]), + dst(((a&0x1F)<<6) | (b&0x3F)); + else if ((a&0xF0) === 0xE0) + ((b=src()) === null || (c=src()) === null) && fail([a, b, c]), + dst(((a&0x0F)<<12) | ((b&0x3F)<<6) | (c&0x3F)); + else if ((a&0xF8) === 0xF0) + ((b=src()) === null || (c=src()) === null || (d=src()) === null) && fail([a, b, c ,d]), + dst(((a&0x07)<<18) | ((b&0x3F)<<12) | ((c&0x3F)<<6) | (d&0x3F)); + else throw RangeError("Illegal starting byte: "+a); + } + }; + + /** + * Converts UTF16 characters to UTF8 code points. + * @param {!function():number|null} src Characters source as a function returning the next char code respectively + * `null` if there are no more characters left. + * @param {!function(number)} dst Code points destination as a function successively called with each converted code + * point. + */ + utfx.UTF16toUTF8 = function(src, dst) { + var c1, c2 = null; + while (true) { + if ((c1 = c2 !== null ? c2 : src()) === null) + break; + if (c1 >= 0xD800 && c1 <= 0xDFFF) { + if ((c2 = src()) !== null) { + if (c2 >= 0xDC00 && c2 <= 0xDFFF) { + dst((c1-0xD800)*0x400+c2-0xDC00+0x10000); + c2 = null; continue; + } + } + } + dst(c1); + } + if (c2 !== null) dst(c2); + }; + + /** + * Converts UTF8 code points to UTF16 characters. + * @param {(!function():number|null) | number} src Code points source, either as a function returning the next code point + * respectively `null` if there are no more code points left or a single numeric code point. + * @param {!function(number)} dst Characters destination as a function successively called with each converted char code. + * @throws {RangeError} If a code point is out of range + */ + utfx.UTF8toUTF16 = function(src, dst) { + var cp = null; + if (typeof src === 'number') + cp = src, src = function() { return null; }; + while (cp !== null || (cp = src()) !== null) { + if (cp <= 0xFFFF) + dst(cp); + else + cp -= 0x10000, + dst((cp>>10)+0xD800), + dst((cp%0x400)+0xDC00); + cp = null; + } + }; + + /** + * Converts and encodes UTF16 characters to UTF8 bytes. + * @param {!function():number|null} src Characters source as a function returning the next char code respectively `null` + * if there are no more characters left. + * @param {!function(number)} dst Bytes destination as a function successively called with the next byte. + */ + utfx.encodeUTF16toUTF8 = function(src, dst) { + utfx.UTF16toUTF8(src, function(cp) { + utfx.encodeUTF8(cp, dst); + }); + }; + + /** + * Decodes and converts UTF8 bytes to UTF16 characters. + * @param {!function():number|null} src Bytes source as a function returning the next byte respectively `null` if there + * are no more bytes left. + * @param {!function(number)} dst Characters destination as a function successively called with each converted char code. + * @throws {RangeError} If a starting byte is invalid in UTF8 + * @throws {Error} If the last sequence is truncated. Has an array property `bytes` holding the remaining bytes. + */ + utfx.decodeUTF8toUTF16 = function(src, dst) { + utfx.decodeUTF8(src, function(cp) { + utfx.UTF8toUTF16(cp, dst); + }); + }; + + /** + * Calculates the byte length of an UTF8 code point. + * @param {number} cp UTF8 code point + * @returns {number} Byte length + */ + utfx.calculateCodePoint = function(cp) { + return (cp < 0x80) ? 1 : (cp < 0x800) ? 2 : (cp < 0x10000) ? 3 : 4; + }; + + /** + * Calculates the number of UTF8 bytes required to store UTF8 code points. + * @param {(!function():number|null)} src Code points source as a function returning the next code point respectively + * `null` if there are no more code points left. + * @returns {number} The number of UTF8 bytes required + */ + utfx.calculateUTF8 = function(src) { + var cp, l=0; + while ((cp = src()) !== null) + l += (cp < 0x80) ? 1 : (cp < 0x800) ? 2 : (cp < 0x10000) ? 3 : 4; + return l; + }; + + /** + * Calculates the number of UTF8 code points respectively UTF8 bytes required to store UTF16 char codes. + * @param {(!function():number|null)} src Characters source as a function returning the next char code respectively + * `null` if there are no more characters left. + * @returns {!Array.} The number of UTF8 code points at index 0 and the number of UTF8 bytes required at index 1. + */ + utfx.calculateUTF16asUTF8 = function(src) { + var n=0, l=0; + utfx.UTF16toUTF8(src, function(cp) { + ++n; l += (cp < 0x80) ? 1 : (cp < 0x800) ? 2 : (cp < 0x10000) ? 3 : 4; + }); + return [n,l]; + }; + + return utfx; + }(); + + // encodings/utf8 + + /** + * Encodes this ByteBuffer's contents between {@link ByteBuffer#offset} and {@link ByteBuffer#limit} to an UTF8 encoded + * string. + * @returns {string} Hex encoded string + * @throws {RangeError} If `offset > limit` + * @expose + */ + ByteBufferPrototype.toUTF8 = function(begin, end) { + if (typeof begin === 'undefined') begin = this.offset; + if (typeof end === 'undefined') end = this.limit; + if (!this.noAssert) { + if (typeof begin !== 'number' || begin % 1 !== 0) + throw TypeError("Illegal begin: Not an integer"); + begin >>>= 0; + if (typeof end !== 'number' || end % 1 !== 0) + throw TypeError("Illegal end: Not an integer"); + end >>>= 0; + if (begin < 0 || begin > end || end > this.buffer.byteLength) + throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength); + } + var sd; try { + utfx.decodeUTF8toUTF16(function() { + return begin < end ? this.view[begin++] : null; + }.bind(this), sd = stringDestination()); + } catch (e) { + if (begin !== end) + throw RangeError("Illegal range: Truncated data, "+begin+" != "+end); + } + return sd(); + }; + + /** + * Decodes an UTF8 encoded string to a ByteBuffer. + * @param {string} str String to decode + * @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to + * {@link ByteBuffer.DEFAULT_ENDIAN}. + * @param {boolean=} noAssert Whether to skip assertions of offsets and values. Defaults to + * {@link ByteBuffer.DEFAULT_NOASSERT}. + * @returns {!ByteBuffer} ByteBuffer + * @expose + */ + ByteBuffer.fromUTF8 = function(str, littleEndian, noAssert) { + if (!noAssert) + if (typeof str !== 'string') + throw TypeError("Illegal str: Not a string"); + var bb = new ByteBuffer(utfx.calculateUTF16asUTF8(stringSource(str), true)[1], littleEndian, noAssert), + i = 0; + utfx.encodeUTF16toUTF8(stringSource(str), function(b) { + bb.view[i++] = b; + }); + bb.limit = i; + return bb; + }; + + return ByteBuffer; +}); diff --git a/js/long.js b/js/long.js new file mode 100644 index 0000000000000000000000000000000000000000..555485a7edd7eac89e2a49e987ba99c426e94bd2 --- /dev/null +++ b/js/long.js @@ -0,0 +1,1209 @@ +/* + Copyright 2013 Daniel Wirtz + Copyright 2009 The Closure Library Authors. All Rights Reserved. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS-IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + */ + +/** + * @license long.js (c) 2013 Daniel Wirtz + * Released under the Apache License, Version 2.0 + * see: https://github.com/dcodeIO/long.js for details + */ +(function(global, factory) { + + /* AMD */ if (typeof define === 'function' && define["amd"]) + define([], factory); + /* CommonJS */ else if (typeof require === 'function' && typeof module === "object" && module && module["exports"]) + module["exports"] = factory(); + /* Global */ else + (global["dcodeIO"] = global["dcodeIO"] || {})["Long"] = factory(); + +})(this, function() { + "use strict"; + + /** + * Constructs a 64 bit two's-complement integer, given its low and high 32 bit values as *signed* integers. + * See the from* functions below for more convenient ways of constructing Longs. + * @exports Long + * @class A Long class for representing a 64 bit two's-complement integer value. + * @param {number} low The low (signed) 32 bits of the long + * @param {number} high The high (signed) 32 bits of the long + * @param {boolean=} unsigned Whether unsigned or not, defaults to `false` for signed + * @constructor + */ + function Long(low, high, unsigned) { + + /** + * The low 32 bits as a signed value. + * @type {number} + */ + this.low = low | 0; + + /** + * The high 32 bits as a signed value. + * @type {number} + */ + this.high = high | 0; + + /** + * Whether unsigned or not. + * @type {boolean} + */ + this.unsigned = !!unsigned; + } + + // The internal representation of a long is the two given signed, 32-bit values. + // We use 32-bit pieces because these are the size of integers on which + // Javascript performs bit-operations. For operations like addition and + // multiplication, we split each number into 16 bit pieces, which can easily be + // multiplied within Javascript's floating-point representation without overflow + // or change in sign. + // + // In the algorithms below, we frequently reduce the negative case to the + // positive case by negating the input(s) and then post-processing the result. + // Note that we must ALWAYS check specially whether those values are MIN_VALUE + // (-2^63) because -MIN_VALUE == MIN_VALUE (since 2^63 cannot be represented as + // a positive number, it overflows back into a negative). Not handling this + // case would often result in infinite recursion. + // + // Common constant values ZERO, ONE, NEG_ONE, etc. are defined below the from* + // methods on which they depend. + + /** + * An indicator used to reliably determine if an object is a Long or not. + * @type {boolean} + * @const + * @private + */ + Long.prototype.__isLong__; + + Object.defineProperty(Long.prototype, "__isLong__", { + value: true, + enumerable: false, + configurable: false + }); + + /** + * @function + * @param {*} obj Object + * @returns {boolean} + * @inner + */ + function isLong(obj) { + return (obj && obj["__isLong__"]) === true; + } + + /** + * Tests if the specified object is a Long. + * @function + * @param {*} obj Object + * @returns {boolean} + */ + Long.isLong = isLong; + + /** + * A cache of the Long representations of small integer values. + * @type {!Object} + * @inner + */ + var INT_CACHE = {}; + + /** + * A cache of the Long representations of small unsigned integer values. + * @type {!Object} + * @inner + */ + var UINT_CACHE = {}; + + /** + * @param {number} value + * @param {boolean=} unsigned + * @returns {!Long} + * @inner + */ + function fromInt(value, unsigned) { + var obj, cachedObj, cache; + if (unsigned) { + value >>>= 0; + if (cache = (0 <= value && value < 256)) { + cachedObj = UINT_CACHE[value]; + if (cachedObj) + return cachedObj; + } + obj = fromBits(value, (value | 0) < 0 ? -1 : 0, true); + if (cache) + UINT_CACHE[value] = obj; + return obj; + } else { + value |= 0; + if (cache = (-128 <= value && value < 128)) { + cachedObj = INT_CACHE[value]; + if (cachedObj) + return cachedObj; + } + obj = fromBits(value, value < 0 ? -1 : 0, false); + if (cache) + INT_CACHE[value] = obj; + return obj; + } + } + + /** + * Returns a Long representing the given 32 bit integer value. + * @function + * @param {number} value The 32 bit integer in question + * @param {boolean=} unsigned Whether unsigned or not, defaults to `false` for signed + * @returns {!Long} The corresponding Long value + */ + Long.fromInt = fromInt; + + /** + * @param {number} value + * @param {boolean=} unsigned + * @returns {!Long} + * @inner + */ + function fromNumber(value, unsigned) { + if (isNaN(value) || !isFinite(value)) + return unsigned ? UZERO : ZERO; + if (unsigned) { + if (value < 0) + return UZERO; + if (value >= TWO_PWR_64_DBL) + return MAX_UNSIGNED_VALUE; + } else { + if (value <= -TWO_PWR_63_DBL) + return MIN_VALUE; + if (value + 1 >= TWO_PWR_63_DBL) + return MAX_VALUE; + } + if (value < 0) + return fromNumber(-value, unsigned).neg(); + return fromBits((value % TWO_PWR_32_DBL) | 0, (value / TWO_PWR_32_DBL) | 0, unsigned); + } + + /** + * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned. + * @function + * @param {number} value The number in question + * @param {boolean=} unsigned Whether unsigned or not, defaults to `false` for signed + * @returns {!Long} The corresponding Long value + */ + Long.fromNumber = fromNumber; + + /** + * @param {number} lowBits + * @param {number} highBits + * @param {boolean=} unsigned + * @returns {!Long} + * @inner + */ + function fromBits(lowBits, highBits, unsigned) { + return new Long(lowBits, highBits, unsigned); + } + + /** + * Returns a Long representing the 64 bit integer that comes by concatenating the given low and high bits. Each is + * assumed to use 32 bits. + * @function + * @param {number} lowBits The low 32 bits + * @param {number} highBits The high 32 bits + * @param {boolean=} unsigned Whether unsigned or not, defaults to `false` for signed + * @returns {!Long} The corresponding Long value + */ + Long.fromBits = fromBits; + + /** + * @function + * @param {number} base + * @param {number} exponent + * @returns {number} + * @inner + */ + var pow_dbl = Math.pow; // Used 4 times (4*8 to 15+4) + + /** + * @param {string} str + * @param {(boolean|number)=} unsigned + * @param {number=} radix + * @returns {!Long} + * @inner + */ + function fromString(str, unsigned, radix) { + if (str.length === 0) + throw Error('empty string'); + if (str === "NaN" || str === "Infinity" || str === "+Infinity" || str === "-Infinity") + return ZERO; + if (typeof unsigned === 'number') { + // For goog.math.long compatibility + radix = unsigned, + unsigned = false; + } else { + unsigned = !! unsigned; + } + radix = radix || 10; + if (radix < 2 || 36 < radix) + throw RangeError('radix'); + + var p; + if ((p = str.indexOf('-')) > 0) + throw Error('interior hyphen'); + else if (p === 0) { + return fromString(str.substring(1), unsigned, radix).neg(); + } + + // Do several (8) digits each time through the loop, so as to + // minimize the calls to the very expensive emulated div. + var radixToPower = fromNumber(pow_dbl(radix, 8)); + + var result = ZERO; + for (var i = 0; i < str.length; i += 8) { + var size = Math.min(8, str.length - i), + value = parseInt(str.substring(i, i + size), radix); + if (size < 8) { + var power = fromNumber(pow_dbl(radix, size)); + result = result.mul(power).add(fromNumber(value)); + } else { + result = result.mul(radixToPower); + result = result.add(fromNumber(value)); + } + } + result.unsigned = unsigned; + return result; + } + + /** + * Returns a Long representation of the given string, written using the specified radix. + * @function + * @param {string} str The textual representation of the Long + * @param {(boolean|number)=} unsigned Whether unsigned or not, defaults to `false` for signed + * @param {number=} radix The radix in which the text is written (2-36), defaults to 10 + * @returns {!Long} The corresponding Long value + */ + Long.fromString = fromString; + + /** + * @function + * @param {!Long|number|string|!{low: number, high: number, unsigned: boolean}} val + * @returns {!Long} + * @inner + */ + function fromValue(val) { + if (val /* is compatible */ instanceof Long) + return val; + if (typeof val === 'number') + return fromNumber(val); + if (typeof val === 'string') + return fromString(val); + // Throws for non-objects, converts non-instanceof Long: + return fromBits(val.low, val.high, val.unsigned); + } + + /** + * Converts the specified value to a Long. + * @function + * @param {!Long|number|string|!{low: number, high: number, unsigned: boolean}} val Value + * @returns {!Long} + */ + Long.fromValue = fromValue; + + // NOTE: the compiler should inline these constant values below and then remove these variables, so there should be + // no runtime penalty for these. + + /** + * @type {number} + * @const + * @inner + */ + var TWO_PWR_16_DBL = 1 << 16; + + /** + * @type {number} + * @const + * @inner + */ + var TWO_PWR_24_DBL = 1 << 24; + + /** + * @type {number} + * @const + * @inner + */ + var TWO_PWR_32_DBL = TWO_PWR_16_DBL * TWO_PWR_16_DBL; + + /** + * @type {number} + * @const + * @inner + */ + var TWO_PWR_64_DBL = TWO_PWR_32_DBL * TWO_PWR_32_DBL; + + /** + * @type {number} + * @const + * @inner + */ + var TWO_PWR_63_DBL = TWO_PWR_64_DBL / 2; + + /** + * @type {!Long} + * @const + * @inner + */ + var TWO_PWR_24 = fromInt(TWO_PWR_24_DBL); + + /** + * @type {!Long} + * @inner + */ + var ZERO = fromInt(0); + + /** + * Signed zero. + * @type {!Long} + */ + Long.ZERO = ZERO; + + /** + * @type {!Long} + * @inner + */ + var UZERO = fromInt(0, true); + + /** + * Unsigned zero. + * @type {!Long} + */ + Long.UZERO = UZERO; + + /** + * @type {!Long} + * @inner + */ + var ONE = fromInt(1); + + /** + * Signed one. + * @type {!Long} + */ + Long.ONE = ONE; + + /** + * @type {!Long} + * @inner + */ + var UONE = fromInt(1, true); + + /** + * Unsigned one. + * @type {!Long} + */ + Long.UONE = UONE; + + /** + * @type {!Long} + * @inner + */ + var NEG_ONE = fromInt(-1); + + /** + * Signed negative one. + * @type {!Long} + */ + Long.NEG_ONE = NEG_ONE; + + /** + * @type {!Long} + * @inner + */ + var MAX_VALUE = fromBits(0xFFFFFFFF|0, 0x7FFFFFFF|0, false); + + /** + * Maximum signed value. + * @type {!Long} + */ + Long.MAX_VALUE = MAX_VALUE; + + /** + * @type {!Long} + * @inner + */ + var MAX_UNSIGNED_VALUE = fromBits(0xFFFFFFFF|0, 0xFFFFFFFF|0, true); + + /** + * Maximum unsigned value. + * @type {!Long} + */ + Long.MAX_UNSIGNED_VALUE = MAX_UNSIGNED_VALUE; + + /** + * @type {!Long} + * @inner + */ + var MIN_VALUE = fromBits(0, 0x80000000|0, false); + + /** + * Minimum signed value. + * @type {!Long} + */ + Long.MIN_VALUE = MIN_VALUE; + + /** + * @alias Long.prototype + * @inner + */ + var LongPrototype = Long.prototype; + + /** + * Converts the Long to a 32 bit integer, assuming it is a 32 bit integer. + * @returns {number} + */ + LongPrototype.toInt = function toInt() { + return this.unsigned ? this.low >>> 0 : this.low; + }; + + /** + * Converts the Long to a the nearest floating-point representation of this value (double, 53 bit mantissa). + * @returns {number} + */ + LongPrototype.toNumber = function toNumber() { + if (this.unsigned) + return ((this.high >>> 0) * TWO_PWR_32_DBL) + (this.low >>> 0); + return this.high * TWO_PWR_32_DBL + (this.low >>> 0); + }; + + /** + * Converts the Long to a string written in the specified radix. + * @param {number=} radix Radix (2-36), defaults to 10 + * @returns {string} + * @override + * @throws {RangeError} If `radix` is out of range + */ + LongPrototype.toString = function toString(radix) { + radix = radix || 10; + if (radix < 2 || 36 < radix) + throw RangeError('radix'); + if (this.isZero()) + return '0'; + if (this.isNegative()) { // Unsigned Longs are never negative + if (this.eq(MIN_VALUE)) { + // We need to change the Long value before it can be negated, so we remove + // the bottom-most digit in this base and then recurse to do the rest. + var radixLong = fromNumber(radix), + div = this.div(radixLong), + rem1 = div.mul(radixLong).sub(this); + return div.toString(radix) + rem1.toInt().toString(radix); + } else + return '-' + this.neg().toString(radix); + } + + // Do several (6) digits each time through the loop, so as to + // minimize the calls to the very expensive emulated div. + var radixToPower = fromNumber(pow_dbl(radix, 6), this.unsigned), + rem = this; + var result = ''; + while (true) { + var remDiv = rem.div(radixToPower), + intval = rem.sub(remDiv.mul(radixToPower)).toInt() >>> 0, + digits = intval.toString(radix); + rem = remDiv; + if (rem.isZero()) + return digits + result; + else { + while (digits.length < 6) + digits = '0' + digits; + result = '' + digits + result; + } + } + }; + + /** + * Gets the high 32 bits as a signed integer. + * @returns {number} Signed high bits + */ + LongPrototype.getHighBits = function getHighBits() { + return this.high; + }; + + /** + * Gets the high 32 bits as an unsigned integer. + * @returns {number} Unsigned high bits + */ + LongPrototype.getHighBitsUnsigned = function getHighBitsUnsigned() { + return this.high >>> 0; + }; + + /** + * Gets the low 32 bits as a signed integer. + * @returns {number} Signed low bits + */ + LongPrototype.getLowBits = function getLowBits() { + return this.low; + }; + + /** + * Gets the low 32 bits as an unsigned integer. + * @returns {number} Unsigned low bits + */ + LongPrototype.getLowBitsUnsigned = function getLowBitsUnsigned() { + return this.low >>> 0; + }; + + /** + * Gets the number of bits needed to represent the absolute value of this Long. + * @returns {number} + */ + LongPrototype.getNumBitsAbs = function getNumBitsAbs() { + if (this.isNegative()) // Unsigned Longs are never negative + return this.eq(MIN_VALUE) ? 64 : this.neg().getNumBitsAbs(); + var val = this.high != 0 ? this.high : this.low; + for (var bit = 31; bit > 0; bit--) + if ((val & (1 << bit)) != 0) + break; + return this.high != 0 ? bit + 33 : bit + 1; + }; + + /** + * Tests if this Long's value equals zero. + * @returns {boolean} + */ + LongPrototype.isZero = function isZero() { + return this.high === 0 && this.low === 0; + }; + + /** + * Tests if this Long's value is negative. + * @returns {boolean} + */ + LongPrototype.isNegative = function isNegative() { + return !this.unsigned && this.high < 0; + }; + + /** + * Tests if this Long's value is positive. + * @returns {boolean} + */ + LongPrototype.isPositive = function isPositive() { + return this.unsigned || this.high >= 0; + }; + + /** + * Tests if this Long's value is odd. + * @returns {boolean} + */ + LongPrototype.isOdd = function isOdd() { + return (this.low & 1) === 1; + }; + + /** + * Tests if this Long's value is even. + * @returns {boolean} + */ + LongPrototype.isEven = function isEven() { + return (this.low & 1) === 0; + }; + + /** + * Tests if this Long's value equals the specified's. + * @param {!Long|number|string} other Other value + * @returns {boolean} + */ + LongPrototype.equals = function equals(other) { + if (!isLong(other)) + other = fromValue(other); + if (this.unsigned !== other.unsigned && (this.high >>> 31) === 1 && (other.high >>> 31) === 1) + return false; + return this.high === other.high && this.low === other.low; + }; + + /** + * Tests if this Long's value equals the specified's. This is an alias of {@link Long#equals}. + * @function + * @param {!Long|number|string} other Other value + * @returns {boolean} + */ + LongPrototype.eq = LongPrototype.equals; + + /** + * Tests if this Long's value differs from the specified's. + * @param {!Long|number|string} other Other value + * @returns {boolean} + */ + LongPrototype.notEquals = function notEquals(other) { + return !this.eq(/* validates */ other); + }; + + /** + * Tests if this Long's value differs from the specified's. This is an alias of {@link Long#notEquals}. + * @function + * @param {!Long|number|string} other Other value + * @returns {boolean} + */ + LongPrototype.neq = LongPrototype.notEquals; + + /** + * Tests if this Long's value is less than the specified's. + * @param {!Long|number|string} other Other value + * @returns {boolean} + */ + LongPrototype.lessThan = function lessThan(other) { + return this.comp(/* validates */ other) < 0; + }; + + /** + * Tests if this Long's value is less than the specified's. This is an alias of {@link Long#lessThan}. + * @function + * @param {!Long|number|string} other Other value + * @returns {boolean} + */ + LongPrototype.lt = LongPrototype.lessThan; + + /** + * Tests if this Long's value is less than or equal the specified's. + * @param {!Long|number|string} other Other value + * @returns {boolean} + */ + LongPrototype.lessThanOrEqual = function lessThanOrEqual(other) { + return this.comp(/* validates */ other) <= 0; + }; + + /** + * Tests if this Long's value is less than or equal the specified's. This is an alias of {@link Long#lessThanOrEqual}. + * @function + * @param {!Long|number|string} other Other value + * @returns {boolean} + */ + LongPrototype.lte = LongPrototype.lessThanOrEqual; + + /** + * Tests if this Long's value is greater than the specified's. + * @param {!Long|number|string} other Other value + * @returns {boolean} + */ + LongPrototype.greaterThan = function greaterThan(other) { + return this.comp(/* validates */ other) > 0; + }; + + /** + * Tests if this Long's value is greater than the specified's. This is an alias of {@link Long#greaterThan}. + * @function + * @param {!Long|number|string} other Other value + * @returns {boolean} + */ + LongPrototype.gt = LongPrototype.greaterThan; + + /** + * Tests if this Long's value is greater than or equal the specified's. + * @param {!Long|number|string} other Other value + * @returns {boolean} + */ + LongPrototype.greaterThanOrEqual = function greaterThanOrEqual(other) { + return this.comp(/* validates */ other) >= 0; + }; + + /** + * Tests if this Long's value is greater than or equal the specified's. This is an alias of {@link Long#greaterThanOrEqual}. + * @function + * @param {!Long|number|string} other Other value + * @returns {boolean} + */ + LongPrototype.gte = LongPrototype.greaterThanOrEqual; + + /** + * Compares this Long's value with the specified's. + * @param {!Long|number|string} other Other value + * @returns {number} 0 if they are the same, 1 if the this is greater and -1 + * if the given one is greater + */ + LongPrototype.compare = function compare(other) { + if (!isLong(other)) + other = fromValue(other); + if (this.eq(other)) + return 0; + var thisNeg = this.isNegative(), + otherNeg = other.isNegative(); + if (thisNeg && !otherNeg) + return -1; + if (!thisNeg && otherNeg) + return 1; + // At this point the sign bits are the same + if (!this.unsigned) + return this.sub(other).isNegative() ? -1 : 1; + // Both are positive if at least one is unsigned + return (other.high >>> 0) > (this.high >>> 0) || (other.high === this.high && (other.low >>> 0) > (this.low >>> 0)) ? -1 : 1; + }; + + /** + * Compares this Long's value with the specified's. This is an alias of {@link Long#compare}. + * @function + * @param {!Long|number|string} other Other value + * @returns {number} 0 if they are the same, 1 if the this is greater and -1 + * if the given one is greater + */ + LongPrototype.comp = LongPrototype.compare; + + /** + * Negates this Long's value. + * @returns {!Long} Negated Long + */ + LongPrototype.negate = function negate() { + if (!this.unsigned && this.eq(MIN_VALUE)) + return MIN_VALUE; + return this.not().add(ONE); + }; + + /** + * Negates this Long's value. This is an alias of {@link Long#negate}. + * @function + * @returns {!Long} Negated Long + */ + LongPrototype.neg = LongPrototype.negate; + + /** + * Returns the sum of this and the specified Long. + * @param {!Long|number|string} addend Addend + * @returns {!Long} Sum + */ + LongPrototype.add = function add(addend) { + if (!isLong(addend)) + addend = fromValue(addend); + + // Divide each number into 4 chunks of 16 bits, and then sum the chunks. + + var a48 = this.high >>> 16; + var a32 = this.high & 0xFFFF; + var a16 = this.low >>> 16; + var a00 = this.low & 0xFFFF; + + var b48 = addend.high >>> 16; + var b32 = addend.high & 0xFFFF; + var b16 = addend.low >>> 16; + var b00 = addend.low & 0xFFFF; + + var c48 = 0, c32 = 0, c16 = 0, c00 = 0; + c00 += a00 + b00; + c16 += c00 >>> 16; + c00 &= 0xFFFF; + c16 += a16 + b16; + c32 += c16 >>> 16; + c16 &= 0xFFFF; + c32 += a32 + b32; + c48 += c32 >>> 16; + c32 &= 0xFFFF; + c48 += a48 + b48; + c48 &= 0xFFFF; + return fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned); + }; + + /** + * Returns the difference of this and the specified Long. + * @param {!Long|number|string} subtrahend Subtrahend + * @returns {!Long} Difference + */ + LongPrototype.subtract = function subtract(subtrahend) { + if (!isLong(subtrahend)) + subtrahend = fromValue(subtrahend); + return this.add(subtrahend.neg()); + }; + + /** + * Returns the difference of this and the specified Long. This is an alias of {@link Long#subtract}. + * @function + * @param {!Long|number|string} subtrahend Subtrahend + * @returns {!Long} Difference + */ + LongPrototype.sub = LongPrototype.subtract; + + /** + * Returns the product of this and the specified Long. + * @param {!Long|number|string} multiplier Multiplier + * @returns {!Long} Product + */ + LongPrototype.multiply = function multiply(multiplier) { + if (this.isZero()) + return ZERO; + if (!isLong(multiplier)) + multiplier = fromValue(multiplier); + if (multiplier.isZero()) + return ZERO; + if (this.eq(MIN_VALUE)) + return multiplier.isOdd() ? MIN_VALUE : ZERO; + if (multiplier.eq(MIN_VALUE)) + return this.isOdd() ? MIN_VALUE : ZERO; + + if (this.isNegative()) { + if (multiplier.isNegative()) + return this.neg().mul(multiplier.neg()); + else + return this.neg().mul(multiplier).neg(); + } else if (multiplier.isNegative()) + return this.mul(multiplier.neg()).neg(); + + // If both longs are small, use float multiplication + if (this.lt(TWO_PWR_24) && multiplier.lt(TWO_PWR_24)) + return fromNumber(this.toNumber() * multiplier.toNumber(), this.unsigned); + + // Divide each long into 4 chunks of 16 bits, and then add up 4x4 products. + // We can skip products that would overflow. + + var a48 = this.high >>> 16; + var a32 = this.high & 0xFFFF; + var a16 = this.low >>> 16; + var a00 = this.low & 0xFFFF; + + var b48 = multiplier.high >>> 16; + var b32 = multiplier.high & 0xFFFF; + var b16 = multiplier.low >>> 16; + var b00 = multiplier.low & 0xFFFF; + + var c48 = 0, c32 = 0, c16 = 0, c00 = 0; + c00 += a00 * b00; + c16 += c00 >>> 16; + c00 &= 0xFFFF; + c16 += a16 * b00; + c32 += c16 >>> 16; + c16 &= 0xFFFF; + c16 += a00 * b16; + c32 += c16 >>> 16; + c16 &= 0xFFFF; + c32 += a32 * b00; + c48 += c32 >>> 16; + c32 &= 0xFFFF; + c32 += a16 * b16; + c48 += c32 >>> 16; + c32 &= 0xFFFF; + c32 += a00 * b32; + c48 += c32 >>> 16; + c32 &= 0xFFFF; + c48 += a48 * b00 + a32 * b16 + a16 * b32 + a00 * b48; + c48 &= 0xFFFF; + return fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned); + }; + + /** + * Returns the product of this and the specified Long. This is an alias of {@link Long#multiply}. + * @function + * @param {!Long|number|string} multiplier Multiplier + * @returns {!Long} Product + */ + LongPrototype.mul = LongPrototype.multiply; + + /** + * Returns this Long divided by the specified. The result is signed if this Long is signed or + * unsigned if this Long is unsigned. + * @param {!Long|number|string} divisor Divisor + * @returns {!Long} Quotient + */ + LongPrototype.divide = function divide(divisor) { + if (!isLong(divisor)) + divisor = fromValue(divisor); + if (divisor.isZero()) + throw Error('division by zero'); + if (this.isZero()) + return this.unsigned ? UZERO : ZERO; + var approx, rem, res; + if (!this.unsigned) { + // This section is only relevant for signed longs and is derived from the + // closure library as a whole. + if (this.eq(MIN_VALUE)) { + if (divisor.eq(ONE) || divisor.eq(NEG_ONE)) + return MIN_VALUE; // recall that -MIN_VALUE == MIN_VALUE + else if (divisor.eq(MIN_VALUE)) + return ONE; + else { + // At this point, we have |other| >= 2, so |this/other| < |MIN_VALUE|. + var halfThis = this.shr(1); + approx = halfThis.div(divisor).shl(1); + if (approx.eq(ZERO)) { + return divisor.isNegative() ? ONE : NEG_ONE; + } else { + rem = this.sub(divisor.mul(approx)); + res = approx.add(rem.div(divisor)); + return res; + } + } + } else if (divisor.eq(MIN_VALUE)) + return this.unsigned ? UZERO : ZERO; + if (this.isNegative()) { + if (divisor.isNegative()) + return this.neg().div(divisor.neg()); + return this.neg().div(divisor).neg(); + } else if (divisor.isNegative()) + return this.div(divisor.neg()).neg(); + res = ZERO; + } else { + // The algorithm below has not been made for unsigned longs. It's therefore + // required to take special care of the MSB prior to running it. + if (!divisor.unsigned) + divisor = divisor.toUnsigned(); + if (divisor.gt(this)) + return UZERO; + if (divisor.gt(this.shru(1))) // 15 >>> 1 = 7 ; with divisor = 8 ; true + return UONE; + res = UZERO; + } + + // Repeat the following until the remainder is less than other: find a + // floating-point that approximates remainder / other *from below*, add this + // into the result, and subtract it from the remainder. It is critical that + // the approximate value is less than or equal to the real value so that the + // remainder never becomes negative. + rem = this; + while (rem.gte(divisor)) { + // Approximate the result of division. This may be a little greater or + // smaller than the actual value. + approx = Math.max(1, Math.floor(rem.toNumber() / divisor.toNumber())); + + // We will tweak the approximate result by changing it in the 48-th digit or + // the smallest non-fractional digit, whichever is larger. + var log2 = Math.ceil(Math.log(approx) / Math.LN2), + delta = (log2 <= 48) ? 1 : pow_dbl(2, log2 - 48), + + // Decrease the approximation until it is smaller than the remainder. Note + // that if it is too large, the product overflows and is negative. + approxRes = fromNumber(approx), + approxRem = approxRes.mul(divisor); + while (approxRem.isNegative() || approxRem.gt(rem)) { + approx -= delta; + approxRes = fromNumber(approx, this.unsigned); + approxRem = approxRes.mul(divisor); + } + + // We know the answer can't be zero... and actually, zero would cause + // infinite recursion since we would make no progress. + if (approxRes.isZero()) + approxRes = ONE; + + res = res.add(approxRes); + rem = rem.sub(approxRem); + } + return res; + }; + + /** + * Returns this Long divided by the specified. This is an alias of {@link Long#divide}. + * @function + * @param {!Long|number|string} divisor Divisor + * @returns {!Long} Quotient + */ + LongPrototype.div = LongPrototype.divide; + + /** + * Returns this Long modulo the specified. + * @param {!Long|number|string} divisor Divisor + * @returns {!Long} Remainder + */ + LongPrototype.modulo = function modulo(divisor) { + if (!isLong(divisor)) + divisor = fromValue(divisor); + return this.sub(this.div(divisor).mul(divisor)); + }; + + /** + * Returns this Long modulo the specified. This is an alias of {@link Long#modulo}. + * @function + * @param {!Long|number|string} divisor Divisor + * @returns {!Long} Remainder + */ + LongPrototype.mod = LongPrototype.modulo; + + /** + * Returns the bitwise NOT of this Long. + * @returns {!Long} + */ + LongPrototype.not = function not() { + return fromBits(~this.low, ~this.high, this.unsigned); + }; + + /** + * Returns the bitwise AND of this Long and the specified. + * @param {!Long|number|string} other Other Long + * @returns {!Long} + */ + LongPrototype.and = function and(other) { + if (!isLong(other)) + other = fromValue(other); + return fromBits(this.low & other.low, this.high & other.high, this.unsigned); + }; + + /** + * Returns the bitwise OR of this Long and the specified. + * @param {!Long|number|string} other Other Long + * @returns {!Long} + */ + LongPrototype.or = function or(other) { + if (!isLong(other)) + other = fromValue(other); + return fromBits(this.low | other.low, this.high | other.high, this.unsigned); + }; + + /** + * Returns the bitwise XOR of this Long and the given one. + * @param {!Long|number|string} other Other Long + * @returns {!Long} + */ + LongPrototype.xor = function xor(other) { + if (!isLong(other)) + other = fromValue(other); + return fromBits(this.low ^ other.low, this.high ^ other.high, this.unsigned); + }; + + /** + * Returns this Long with bits shifted to the left by the given amount. + * @param {number|!Long} numBits Number of bits + * @returns {!Long} Shifted Long + */ + LongPrototype.shiftLeft = function shiftLeft(numBits) { + if (isLong(numBits)) + numBits = numBits.toInt(); + if ((numBits &= 63) === 0) + return this; + else if (numBits < 32) + return fromBits(this.low << numBits, (this.high << numBits) | (this.low >>> (32 - numBits)), this.unsigned); + else + return fromBits(0, this.low << (numBits - 32), this.unsigned); + }; + + /** + * Returns this Long with bits shifted to the left by the given amount. This is an alias of {@link Long#shiftLeft}. + * @function + * @param {number|!Long} numBits Number of bits + * @returns {!Long} Shifted Long + */ + LongPrototype.shl = LongPrototype.shiftLeft; + + /** + * Returns this Long with bits arithmetically shifted to the right by the given amount. + * @param {number|!Long} numBits Number of bits + * @returns {!Long} Shifted Long + */ + LongPrototype.shiftRight = function shiftRight(numBits) { + if (isLong(numBits)) + numBits = numBits.toInt(); + if ((numBits &= 63) === 0) + return this; + else if (numBits < 32) + return fromBits((this.low >>> numBits) | (this.high << (32 - numBits)), this.high >> numBits, this.unsigned); + else + return fromBits(this.high >> (numBits - 32), this.high >= 0 ? 0 : -1, this.unsigned); + }; + + /** + * Returns this Long with bits arithmetically shifted to the right by the given amount. This is an alias of {@link Long#shiftRight}. + * @function + * @param {number|!Long} numBits Number of bits + * @returns {!Long} Shifted Long + */ + LongPrototype.shr = LongPrototype.shiftRight; + + /** + * Returns this Long with bits logically shifted to the right by the given amount. + * @param {number|!Long} numBits Number of bits + * @returns {!Long} Shifted Long + */ + LongPrototype.shiftRightUnsigned = function shiftRightUnsigned(numBits) { + if (isLong(numBits)) + numBits = numBits.toInt(); + numBits &= 63; + if (numBits === 0) + return this; + else { + var high = this.high; + if (numBits < 32) { + var low = this.low; + return fromBits((low >>> numBits) | (high << (32 - numBits)), high >>> numBits, this.unsigned); + } else if (numBits === 32) + return fromBits(high, 0, this.unsigned); + else + return fromBits(high >>> (numBits - 32), 0, this.unsigned); + } + }; + + /** + * Returns this Long with bits logically shifted to the right by the given amount. This is an alias of {@link Long#shiftRightUnsigned}. + * @function + * @param {number|!Long} numBits Number of bits + * @returns {!Long} Shifted Long + */ + LongPrototype.shru = LongPrototype.shiftRightUnsigned; + + /** + * Converts this Long to signed. + * @returns {!Long} Signed long + */ + LongPrototype.toSigned = function toSigned() { + if (!this.unsigned) + return this; + return fromBits(this.low, this.high, false); + }; + + /** + * Converts this Long to unsigned. + * @returns {!Long} Unsigned long + */ + LongPrototype.toUnsigned = function toUnsigned() { + if (this.unsigned) + return this; + return fromBits(this.low, this.high, true); + }; + + /** + * Converts this Long to its byte representation. + * @param {boolean=} le Whether little or big endian, defaults to big endian + * @returns {!Array.} Byte representation + */ + LongPrototype.toBytes = function(le) { + return le ? this.toBytesLE() : this.toBytesBE(); + } + + /** + * Converts this Long to its little endian byte representation. + * @returns {!Array.} Little endian byte representation + */ + LongPrototype.toBytesLE = function() { + var hi = this.high, + lo = this.low; + return [ + lo & 0xff, + (lo >>> 8) & 0xff, + (lo >>> 16) & 0xff, + (lo >>> 24) & 0xff, + hi & 0xff, + (hi >>> 8) & 0xff, + (hi >>> 16) & 0xff, + (hi >>> 24) & 0xff + ]; + } + + /** + * Converts this Long to its big endian byte representation. + * @returns {!Array.} Big endian byte representation + */ + LongPrototype.toBytesBE = function() { + var hi = this.high, + lo = this.low; + return [ + (hi >>> 24) & 0xff, + (hi >>> 16) & 0xff, + (hi >>> 8) & 0xff, + hi & 0xff, + (lo >>> 24) & 0xff, + (lo >>> 16) & 0xff, + (lo >>> 8) & 0xff, + lo & 0xff + ]; + } + + return Long; +}); diff --git a/js/morpheus-external-latest.min.js b/js/morpheus-external-latest.min.js index eacdfd57e11602851cc6b37c03c604a669ed08ce..19caa73cb31db920ea332a0cb3c7dcddadd898ac 100644 --- a/js/morpheus-external-latest.min.js +++ 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