From: Ben Noordhuis Date: Fri, 19 Jun 2015 19:00:19 +0000 (+0200) Subject: buffer: rename internal/buffer_new.js to buffer.js X-Git-Tag: v3.0.0~25 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1057d1186b0fedf87411a1cb56c67dc385ee1f9f;p=platform%2Fupstream%2Fnodejs.git buffer: rename internal/buffer_new.js to buffer.js The old smalloc-based implementation has been removed, the typed array implementation is the only one that is left now. PR-URL: https://github.com/nodejs/io.js/pull/2022 Reviewed-By: Rod Vagg Reviewed-By: Trevor Norris --- diff --git a/lib/buffer.js b/lib/buffer.js index f39adaa..b9fe5bf 100644 --- a/lib/buffer.js +++ b/lib/buffer.js @@ -1,4 +1,1022 @@ /* eslint-disable require-buffer */ 'use strict'; -module.exports = require('internal/buffer_new'); +const binding = process.binding('buffer'); +const internalUtil = require('internal/util'); + +exports.Buffer = Buffer; +exports.SlowBuffer = SlowBuffer; +exports.INSPECT_MAX_BYTES = 50; +exports.kMaxLength = binding.kMaxLength; + + +Buffer.poolSize = 8 * 1024; +var poolSize, poolOffset, allocPool; + + +function createPool() { + poolSize = Buffer.poolSize; + allocPool = binding.create(poolSize); + poolOffset = 0; +} + + +function Buffer(arg) { + // Common case. + if (typeof arg === 'number') { + // If less than zero, or NaN. + if (arg < 0 || arg !== arg) + arg = 0; + return allocate(arg); + } + + // Slightly less common case. + if (typeof arg === 'string') { + return fromString(arg, arguments[1]); + } + + // Unusual. + return fromObject(arg); +}; + +Buffer.prototype.__proto__ = Uint8Array.prototype; +Buffer.__proto__ = Uint8Array; + + +binding.setupBufferJS(Buffer.prototype); +// Buffer prototype must be past before creating our first pool. +createPool(); + + +function SlowBuffer(length) { + if (length < 0) + length = 0; + return binding.create(length); +}; + +SlowBuffer.prototype.__proto__ = Buffer.prototype; +SlowBuffer.__proto__ = Buffer; + + +function allocate(size) { + if (size === 0) + return binding.create(0); + if (size < (Buffer.poolSize >>> 1)) { + if (size > (poolSize - poolOffset)) + createPool(); + var b = binding.slice(allocPool, poolOffset, poolOffset + size); + poolOffset += size; + return b; + } else { + return binding.create(size); + } +} + + +function fromString(string, encoding) { + if (typeof encoding !== 'string' || encoding === '') + encoding = 'utf8'; + + var length = byteLength(string, encoding); + if (length >= (Buffer.poolSize >>> 1)) + return binding.createFromString(string, encoding); + + if (length > (poolSize - poolOffset)) + createPool(); + var actual = allocPool.write(string, poolOffset, encoding); + var b = binding.slice(allocPool, poolOffset, poolOffset + actual); + poolOffset += actual; + return b; +} + + +function fromObject(obj) { + if (obj instanceof Buffer) { + var b = allocate(obj.length); + obj.copy(b, 0, 0, obj.length); + return b; + } + + if (Array.isArray(obj)) { + var length = obj.length; + var b = allocate(length); + for (var i = 0; i < length; i++) + b[i] = obj[i] & 255; + return b; + } + + if (obj instanceof ArrayBuffer) { + return binding.createFromArrayBuffer(obj); + } + + if (obj.buffer instanceof ArrayBuffer || obj.length) { + var length; + if (typeof obj.length !== 'number' || obj.length !== obj.length) + length = 0; + else + length = obj.length; + var b = allocate(length); + for (var i = 0; i < length; i++) { + b[i] = obj[i] & 255; + } + return b; + } + + if (obj.type === 'Buffer' && Array.isArray(obj.data)) { + var array = obj.data; + var b = allocate(array.length); + for (var i = 0; i < array.length; i++) + b[i] = array[i] & 255; + return b; + } + + throw new TypeError('must start with number, buffer, array or string'); +} + + +// Static methods + +Buffer.isBuffer = function isBuffer(b) { + return b instanceof Buffer; +}; + + +Buffer.compare = function compare(a, b) { + if (!(a instanceof Buffer) || + !(b instanceof Buffer)) { + throw new TypeError('Arguments must be Buffers'); + } + + if (a === b) { + return 0; + } + + return binding.compare(a, b); +}; + + +Buffer.isEncoding = function(encoding) { + var loweredCase = false; + for (;;) { + switch (encoding) { + case 'hex': + case 'utf8': + case 'utf-8': + case 'ascii': + case 'binary': + case 'base64': + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + case 'raw': + return true; + + default: + if (loweredCase) + return false; + encoding = ('' + encoding).toLowerCase(); + loweredCase = true; + } + } +}; + + +Buffer.concat = function(list, length) { + if (!Array.isArray(list)) + throw new TypeError('list argument must be an Array of Buffers.'); + + if (list.length === 0) + return new Buffer(0); + + if (length === undefined) { + length = 0; + for (var i = 0; i < list.length; i++) + length += list[i].length; + } else { + length = length >>> 0; + } + + var buffer = new Buffer(length); + var pos = 0; + for (var i = 0; i < list.length; i++) { + var buf = list[i]; + buf.copy(buffer, pos); + pos += buf.length; + } + + return buffer; +}; + + +function base64ByteLength(str, bytes) { + // Handle padding + if (str.charCodeAt(bytes - 1) === 0x3D) + bytes--; + if (bytes > 1 && str.charCodeAt(bytes - 1) === 0x3D) + bytes--; + + // Base64 ratio: 3/4 + return (bytes * 3) >>> 2; +} + + +function byteLength(string, encoding) { + if (typeof string !== 'string') + string = '' + string; + + var len = string.length; + if (len === 0) + return 0; + + // Use a for loop to avoid recursion + var loweredCase = false; + for (;;) { + switch (encoding) { + case 'ascii': + case 'binary': + // Deprecated + case 'raw': + case 'raws': + return len; + + case 'utf8': + case 'utf-8': + return binding.byteLengthUtf8(string); + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return len * 2; + + case 'hex': + return len >>> 1; + + case 'base64': + return base64ByteLength(string, len); + + default: + // The C++ binding defaulted to UTF8, we should too. + if (loweredCase) + return binding.byteLengthUtf8(string); + + encoding = ('' + encoding).toLowerCase(); + loweredCase = true; + } + } +} + +Buffer.byteLength = byteLength; + + +// For backwards compatibility. +Object.defineProperty(Buffer.prototype, 'parent', { + enumerable: true, + get: function() { + if (this.byteLength === 0 || + this.byteLength === this.buffer.byteLength) { + return undefined; + } + return this.buffer; + } +}); +Object.defineProperty(Buffer.prototype, 'offset', { + enumerable: true, + get: function() { + return this.byteOffset; + } +}); + + +function slowToString(encoding, start, end) { + var loweredCase = false; + + start = start >>> 0; + end = end === undefined || end === Infinity ? this.length : end >>> 0; + + if (!encoding) encoding = 'utf8'; + if (start < 0) start = 0; + if (end > this.length) end = this.length; + if (end <= start) return ''; + + while (true) { + switch (encoding) { + case 'hex': + return this.hexSlice(start, end); + + case 'utf8': + case 'utf-8': + return this.utf8Slice(start, end); + + case 'ascii': + return this.asciiSlice(start, end); + + case 'binary': + return this.binarySlice(start, end); + + case 'base64': + return this.base64Slice(start, end); + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return this.ucs2Slice(start, end); + + default: + if (loweredCase) + throw new TypeError('Unknown encoding: ' + encoding); + encoding = (encoding + '').toLowerCase(); + loweredCase = true; + } + } +} + + +Buffer.prototype.toString = function() { + const length = this.length | 0; + if (arguments.length === 0) + return this.utf8Slice(0, length); + return slowToString.apply(this, arguments); +}; + + +Buffer.prototype.equals = function equals(b) { + if (!(b instanceof Buffer)) + throw new TypeError('Argument must be a Buffer'); + + if (this === b) + return true; + + return binding.compare(this, b) === 0; +}; + + +// Inspect +Buffer.prototype.inspect = function inspect() { + var str = ''; + var max = exports.INSPECT_MAX_BYTES; + if (this.length > 0) { + str = this.toString('hex', 0, max).match(/.{2}/g).join(' '); + if (this.length > max) + str += ' ... '; + } + return '<' + this.constructor.name + ' ' + str + '>'; +}; + + +Buffer.prototype.compare = function compare(b) { + if (!(b instanceof Buffer)) + throw new TypeError('Argument must be a Buffer'); + + if (this === b) + return 0; + + return binding.compare(this, b); +}; + + +Buffer.prototype.indexOf = function indexOf(val, byteOffset) { + if (byteOffset > 0x7fffffff) + byteOffset = 0x7fffffff; + else if (byteOffset < -0x80000000) + byteOffset = -0x80000000; + byteOffset >>= 0; + + if (typeof val === 'string') + return binding.indexOfString(this, val, byteOffset); + if (val instanceof Buffer) + return binding.indexOfBuffer(this, val, byteOffset); + if (typeof val === 'number') + return binding.indexOfNumber(this, val, byteOffset); + + throw new TypeError('val must be string, number or Buffer'); +}; + + +Buffer.prototype.fill = function fill(val, start, end) { + start = start >> 0; + end = (end === undefined) ? this.length : end >> 0; + + if (start < 0 || end > this.length) + throw new RangeError('out of range index'); + if (end <= start) + return this; + + if (typeof val !== 'string') { + val = val >>> 0; + } else if (val.length === 1) { + var code = val.charCodeAt(0); + if (code < 256) + val = code; + } + + binding.fill(this, val, start, end); + + return this; +}; + + +// XXX remove in v0.13 +Buffer.prototype.get = internalUtil.deprecate(function get(offset) { + offset = ~~offset; + if (offset < 0 || offset >= this.length) + throw new RangeError('index out of range'); + return this[offset]; +}, 'Buffer.get is deprecated. Use array indexes instead.'); + + +// XXX remove in v0.13 +Buffer.prototype.set = internalUtil.deprecate(function set(offset, v) { + offset = ~~offset; + if (offset < 0 || offset >= this.length) + throw new RangeError('index out of range'); + return this[offset] = v; +}, 'Buffer.set is deprecated. Use array indexes instead.'); + + +// TODO(trevnorris): fix these checks to follow new standard +// write(string, offset = 0, length = buffer.length, encoding = 'utf8') +var writeWarned = false; +const writeMsg = 'Buffer.write(string, encoding, offset, length) is ' + + 'deprecated. Use write(string[, offset[, length]]' + + '[, encoding]) instead.'; +Buffer.prototype.write = function(string, offset, length, encoding) { + // Buffer#write(string); + if (offset === undefined) { + encoding = 'utf8'; + length = this.length; + offset = 0; + + // Buffer#write(string, encoding) + } else if (length === undefined && typeof offset === 'string') { + encoding = offset; + length = this.length; + offset = 0; + + // Buffer#write(string, offset[, length][, encoding]) + } else if (isFinite(offset)) { + offset = offset >>> 0; + if (isFinite(length)) { + length = length >>> 0; + if (encoding === undefined) + encoding = 'utf8'; + } else { + encoding = length; + length = undefined; + } + + // XXX legacy write(string, encoding, offset, length) - remove in v0.13 + } else { + writeWarned = internalUtil.printDeprecationMessage(writeMsg, writeWarned); + var swap = encoding; + encoding = offset; + offset = length >>> 0; + length = swap; + } + + var remaining = this.length - offset; + if (length === undefined || length > remaining) + length = remaining; + + if (string.length > 0 && (length < 0 || offset < 0)) + throw new RangeError('attempt to write outside buffer bounds'); + + if (!encoding) + encoding = 'utf8'; + + var loweredCase = false; + for (;;) { + switch (encoding) { + case 'hex': + return this.hexWrite(string, offset, length); + + case 'utf8': + case 'utf-8': + return this.utf8Write(string, offset, length); + + case 'ascii': + return this.asciiWrite(string, offset, length); + + case 'binary': + return this.binaryWrite(string, offset, length); + + case 'base64': + // Warning: maxLength not taken into account in base64Write + return this.base64Write(string, offset, length); + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return this.ucs2Write(string, offset, length); + + default: + if (loweredCase) + throw new TypeError('Unknown encoding: ' + encoding); + encoding = ('' + encoding).toLowerCase(); + loweredCase = true; + } + } +}; + + +Buffer.prototype.toJSON = function() { + return { + type: 'Buffer', + data: Array.prototype.slice.call(this, 0) + }; +}; + + +// TODO(trevnorris): currently works like Array.prototype.slice(), which +// doesn't follow the new standard for throwing on out of range indexes. +Buffer.prototype.slice = function slice(start, end) { + var len = this.length; + start = ~~start; + end = end === undefined ? len : ~~end; + + if (start < 0) { + start += len; + if (start < 0) + start = 0; + } else if (start > len) { + start = len; + } + + if (end < 0) { + end += len; + if (end < 0) + end = 0; + } else if (end > len) { + end = len; + } + + if (end < start) + end = start; + + return binding.slice(this, start, end); +}; + + +function checkOffset(offset, ext, length) { + if (offset + ext > length) + throw new RangeError('index out of range'); +} + + +Buffer.prototype.readUIntLE = function(offset, byteLength, noAssert) { + offset = offset >>> 0; + byteLength = byteLength >>> 0; + if (!noAssert) + checkOffset(offset, byteLength, this.length); + + var val = this[offset]; + var mul = 1; + var i = 0; + while (++i < byteLength && (mul *= 0x100)) + val += this[offset + i] * mul; + + return val; +}; + + +Buffer.prototype.readUIntBE = function(offset, byteLength, noAssert) { + offset = offset >>> 0; + byteLength = byteLength >>> 0; + if (!noAssert) + checkOffset(offset, byteLength, this.length); + + var val = this[offset + --byteLength]; + var mul = 1; + while (byteLength > 0 && (mul *= 0x100)) + val += this[offset + --byteLength] * mul; + + return val; +}; + + +Buffer.prototype.readUInt8 = function(offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) + checkOffset(offset, 1, this.length); + return this[offset]; +}; + + +Buffer.prototype.readUInt16LE = function(offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) + checkOffset(offset, 2, this.length); + return this[offset] | (this[offset + 1] << 8); +}; + + +Buffer.prototype.readUInt16BE = function(offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) + checkOffset(offset, 2, this.length); + return (this[offset] << 8) | this[offset + 1]; +}; + + +Buffer.prototype.readUInt32LE = function(offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) + checkOffset(offset, 4, this.length); + + return ((this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16)) + + (this[offset + 3] * 0x1000000); +}; + + +Buffer.prototype.readUInt32BE = function(offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) + checkOffset(offset, 4, this.length); + + return (this[offset] * 0x1000000) + + ((this[offset + 1] << 16) | + (this[offset + 2] << 8) | + this[offset + 3]); +}; + + +Buffer.prototype.readIntLE = function(offset, byteLength, noAssert) { + offset = offset >>> 0; + byteLength = byteLength >>> 0; + if (!noAssert) + checkOffset(offset, byteLength, this.length); + + var val = this[offset]; + var mul = 1; + var i = 0; + while (++i < byteLength && (mul *= 0x100)) + val += this[offset + i] * mul; + mul *= 0x80; + + if (val >= mul) + val -= Math.pow(2, 8 * byteLength); + + return val; +}; + + +Buffer.prototype.readIntBE = function(offset, byteLength, noAssert) { + offset = offset >>> 0; + byteLength = byteLength >>> 0; + if (!noAssert) + checkOffset(offset, byteLength, this.length); + + var i = byteLength; + var mul = 1; + var val = this[offset + --i]; + while (i > 0 && (mul *= 0x100)) + val += this[offset + --i] * mul; + mul *= 0x80; + + if (val >= mul) + val -= Math.pow(2, 8 * byteLength); + + return val; +}; + + +Buffer.prototype.readInt8 = function(offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) + checkOffset(offset, 1, this.length); + var val = this[offset]; + return !(val & 0x80) ? val : (0xff - val + 1) * -1; +}; + + +Buffer.prototype.readInt16LE = function(offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) + checkOffset(offset, 2, this.length); + var val = this[offset] | (this[offset + 1] << 8); + return (val & 0x8000) ? val | 0xFFFF0000 : val; +}; + + +Buffer.prototype.readInt16BE = function(offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) + checkOffset(offset, 2, this.length); + var val = this[offset + 1] | (this[offset] << 8); + return (val & 0x8000) ? val | 0xFFFF0000 : val; +}; + + +Buffer.prototype.readInt32LE = function(offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) + checkOffset(offset, 4, this.length); + + return (this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16) | + (this[offset + 3] << 24); +}; + + +Buffer.prototype.readInt32BE = function(offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) + checkOffset(offset, 4, this.length); + + return (this[offset] << 24) | + (this[offset + 1] << 16) | + (this[offset + 2] << 8) | + (this[offset + 3]); +}; + + +Buffer.prototype.readFloatLE = function readFloatLE(offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) + checkOffset(offset, 4, this.length); + return binding.readFloatLE(this, offset); +}; + + +Buffer.prototype.readFloatBE = function readFloatBE(offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) + checkOffset(offset, 4, this.length); + return binding.readFloatBE(this, offset); +}; + + +Buffer.prototype.readDoubleLE = function readDoubleLE(offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) + checkOffset(offset, 8, this.length); + return binding.readDoubleLE(this, offset); +}; + + +Buffer.prototype.readDoubleBE = function readDoubleBE(offset, noAssert) { + offset = offset >>> 0; + if (!noAssert) + checkOffset(offset, 8, this.length); + return binding.readDoubleBE(this, offset); +}; + + +function checkInt(buffer, value, offset, ext, max, min) { + if (!(buffer instanceof Buffer)) + throw new TypeError('buffer must be a Buffer instance'); + if (value > max || value < min) + throw new TypeError('value is out of bounds'); + if (offset + ext > buffer.length) + throw new RangeError('index out of range'); +} + + +Buffer.prototype.writeUIntLE = function(value, offset, byteLength, noAssert) { + value = +value; + offset = offset >>> 0; + byteLength = byteLength >>> 0; + if (!noAssert) + checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0); + + var mul = 1; + var i = 0; + this[offset] = value; + while (++i < byteLength && (mul *= 0x100)) + this[offset + i] = (value / mul) >>> 0; + + return offset + byteLength; +}; + + +Buffer.prototype.writeUIntBE = function(value, offset, byteLength, noAssert) { + value = +value; + offset = offset >>> 0; + byteLength = byteLength >>> 0; + if (!noAssert) + checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0); + + var i = byteLength - 1; + var mul = 1; + this[offset + i] = value; + while (--i >= 0 && (mul *= 0x100)) + this[offset + i] = (value / mul) >>> 0; + + return offset + byteLength; +}; + + +Buffer.prototype.writeUInt8 = function(value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) + checkInt(this, value, offset, 1, 0xff, 0); + this[offset] = value; + return offset + 1; +}; + + +Buffer.prototype.writeUInt16LE = function(value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) + checkInt(this, value, offset, 2, 0xffff, 0); + this[offset] = value; + this[offset + 1] = (value >>> 8); + return offset + 2; +}; + + +Buffer.prototype.writeUInt16BE = function(value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) + checkInt(this, value, offset, 2, 0xffff, 0); + this[offset] = (value >>> 8); + this[offset + 1] = value; + return offset + 2; +}; + + +Buffer.prototype.writeUInt32LE = function(value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) + checkInt(this, value, offset, 4, 0xffffffff, 0); + this[offset + 3] = (value >>> 24); + this[offset + 2] = (value >>> 16); + this[offset + 1] = (value >>> 8); + this[offset] = value; + return offset + 4; +}; + + +Buffer.prototype.writeUInt32BE = function(value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) + checkInt(this, value, offset, 4, 0xffffffff, 0); + this[offset] = (value >>> 24); + this[offset + 1] = (value >>> 16); + this[offset + 2] = (value >>> 8); + this[offset + 3] = value; + return offset + 4; +}; + + +Buffer.prototype.writeIntLE = function(value, offset, byteLength, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) { + checkInt(this, + value, + offset, + byteLength, + Math.pow(2, 8 * byteLength - 1) - 1, + -Math.pow(2, 8 * byteLength - 1)); + } + + var i = 0; + var mul = 1; + var sub = value < 0 ? 1 : 0; + this[offset] = value; + while (++i < byteLength && (mul *= 0x100)) + this[offset + i] = ((value / mul) >> 0) - sub; + + return offset + byteLength; +}; + + +Buffer.prototype.writeIntBE = function(value, offset, byteLength, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) { + checkInt(this, + value, + offset, + byteLength, + Math.pow(2, 8 * byteLength - 1) - 1, + -Math.pow(2, 8 * byteLength - 1)); + } + + var i = byteLength - 1; + var mul = 1; + var sub = value < 0 ? 1 : 0; + this[offset + i] = value; + while (--i >= 0 && (mul *= 0x100)) + this[offset + i] = ((value / mul) >> 0) - sub; + + return offset + byteLength; +}; + + +Buffer.prototype.writeInt8 = function(value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) + checkInt(this, value, offset, 1, 0x7f, -0x80); + this[offset] = value; + return offset + 1; +}; + + +Buffer.prototype.writeInt16LE = function(value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) + checkInt(this, value, offset, 2, 0x7fff, -0x8000); + this[offset] = value; + this[offset + 1] = (value >>> 8); + return offset + 2; +}; + + +Buffer.prototype.writeInt16BE = function(value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) + checkInt(this, value, offset, 2, 0x7fff, -0x8000); + this[offset] = (value >>> 8); + this[offset + 1] = value; + return offset + 2; +}; + + +Buffer.prototype.writeInt32LE = function(value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) + checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000); + this[offset] = value; + this[offset + 1] = (value >>> 8); + this[offset + 2] = (value >>> 16); + this[offset + 3] = (value >>> 24); + return offset + 4; +}; + + +Buffer.prototype.writeInt32BE = function(value, offset, noAssert) { + value = +value; + offset = offset >>> 0; + if (!noAssert) + checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000); + this[offset] = (value >>> 24); + this[offset + 1] = (value >>> 16); + this[offset + 2] = (value >>> 8); + this[offset + 3] = value; + return offset + 4; +}; + + +function checkFloat(buffer, value, offset, ext) { + if (!(buffer instanceof Buffer)) + throw new TypeError('buffer must be a Buffer instance'); + if (offset + ext > buffer.length) + throw new RangeError('index out of range'); +} + + +Buffer.prototype.writeFloatLE = function writeFloatLE(val, offset, noAssert) { + val = +val; + offset = offset >>> 0; + if (!noAssert) + checkFloat(this, val, offset, 4); + binding.writeFloatLE(this, val, offset); + return offset + 4; +}; + + +Buffer.prototype.writeFloatBE = function writeFloatBE(val, offset, noAssert) { + val = +val; + offset = offset >>> 0; + if (!noAssert) + checkFloat(this, val, offset, 4); + binding.writeFloatBE(this, val, offset); + return offset + 4; +}; + + +Buffer.prototype.writeDoubleLE = function writeDoubleLE(val, offset, noAssert) { + val = +val; + offset = offset >>> 0; + if (!noAssert) + checkFloat(this, val, offset, 8); + binding.writeDoubleLE(this, val, offset); + return offset + 8; +}; + + +Buffer.prototype.writeDoubleBE = function writeDoubleBE(val, offset, noAssert) { + val = +val; + offset = offset >>> 0; + if (!noAssert) + checkFloat(this, val, offset, 8); + binding.writeDoubleBE(this, val, offset); + return offset + 8; +}; diff --git a/lib/internal/buffer_new.js b/lib/internal/buffer_new.js deleted file mode 100644 index 8a30fc5..0000000 --- a/lib/internal/buffer_new.js +++ /dev/null @@ -1,1013 +0,0 @@ -'use strict'; - -const binding = process.binding('buffer'); -const internalUtil = require('internal/util'); - -exports.Buffer = Buffer; -exports.SlowBuffer = SlowBuffer; -exports.INSPECT_MAX_BYTES = 50; -exports.kMaxLength = binding.kMaxLength; - - -Buffer.poolSize = 8 * 1024; -var poolSize, poolOffset, allocPool; - - -function createPool() { - poolSize = Buffer.poolSize; - allocPool = binding.create(poolSize); - poolOffset = 0; -} - - -function Buffer(arg) { - // Common case. - if (typeof arg === 'number') { - // If less than zero, or NaN. - if (arg < 0 || arg !== arg) - arg = 0; - return allocate(arg); - } - - // Slightly less common case. - if (typeof arg === 'string') { - return fromString(arg, arguments[1]); - } - - // Unusual. - return fromObject(arg); -}; - -Buffer.prototype.__proto__ = Uint8Array.prototype; -Buffer.__proto__ = Uint8Array; - - -binding.setupBufferJS(Buffer.prototype); -// Buffer prototype must be past before creating our first pool. -createPool(); - - -function SlowBuffer(length) { - if (length < 0) - length = 0; - return binding.create(length); -}; - -SlowBuffer.prototype.__proto__ = Buffer.prototype; -SlowBuffer.__proto__ = Buffer; - - -function allocate(size) { - if (size === 0) - return binding.create(0); - if (size < (Buffer.poolSize >>> 1)) { - if (size > (poolSize - poolOffset)) - createPool(); - var b = binding.slice(allocPool, poolOffset, poolOffset + size); - poolOffset += size; - return b; - } else { - return binding.create(size); - } -} - - -function fromString(string, encoding) { - if (typeof encoding !== 'string' || encoding === '') - encoding = 'utf8'; - - var length = byteLength(string, encoding); - if (length >= (Buffer.poolSize >>> 1)) - return binding.createFromString(string, encoding); - - if (length > (poolSize - poolOffset)) - createPool(); - var actual = allocPool.write(string, poolOffset, encoding); - var b = binding.slice(allocPool, poolOffset, poolOffset + actual); - poolOffset += actual; - return b; -} - - -function fromObject(obj) { - if (obj instanceof Buffer) { - var b = allocate(obj.length); - obj.copy(b, 0, 0, obj.length); - return b; - } - - if (Array.isArray(obj)) { - var length = obj.length; - var b = allocate(length); - for (var i = 0; i < length; i++) - b[i] = obj[i] & 255; - return b; - } - - if (obj instanceof ArrayBuffer) { - return binding.createFromArrayBuffer(obj); - } - - if (obj.buffer instanceof ArrayBuffer || obj.length) { - var length; - if (typeof obj.length !== 'number' || obj.length !== obj.length) - length = 0; - else - length = obj.length; - var b = allocate(length); - for (var i = 0; i < length; i++) { - b[i] = obj[i] & 255; - } - return b; - } - - if (obj.type === 'Buffer' && Array.isArray(obj.data)) { - var array = obj.data; - var b = allocate(array.length); - for (var i = 0; i < array.length; i++) - b[i] = array[i] & 255; - return b; - } - - throw new TypeError('must start with number, buffer, array or string'); -} - - -// Static methods - -Buffer.isBuffer = function isBuffer(b) { - return b instanceof Buffer; -}; - - -Buffer.compare = function compare(a, b) { - if (!(a instanceof Buffer) || - !(b instanceof Buffer)) { - throw new TypeError('Arguments must be Buffers'); - } - - if (a === b) { - return 0; - } - - return binding.compare(a, b); -}; - - -Buffer.isEncoding = function(encoding) { - var loweredCase = false; - for (;;) { - switch (encoding) { - case 'hex': - case 'utf8': - case 'utf-8': - case 'ascii': - case 'binary': - case 'base64': - case 'ucs2': - case 'ucs-2': - case 'utf16le': - case 'utf-16le': - case 'raw': - return true; - - default: - if (loweredCase) - return false; - encoding = ('' + encoding).toLowerCase(); - loweredCase = true; - } - } -}; - - -Buffer.concat = function(list, length) { - if (!Array.isArray(list)) - throw new TypeError('list argument must be an Array of Buffers.'); - - if (list.length === 0) - return new Buffer(0); - - if (length === undefined) { - length = 0; - for (var i = 0; i < list.length; i++) - length += list[i].length; - } else { - length = length >>> 0; - } - - var buffer = new Buffer(length); - var pos = 0; - for (var i = 0; i < list.length; i++) { - var buf = list[i]; - buf.copy(buffer, pos); - pos += buf.length; - } - - return buffer; -}; - - -function base64ByteLength(str, bytes) { - // Handle padding - if (str.charCodeAt(bytes - 1) === 0x3D) - bytes--; - if (bytes > 1 && str.charCodeAt(bytes - 1) === 0x3D) - bytes--; - - // Base64 ratio: 3/4 - return (bytes * 3) >>> 2; -} - - -function byteLength(string, encoding) { - if (typeof string !== 'string') - string = '' + string; - - var len = string.length; - if (len === 0) - return 0; - - // Use a for loop to avoid recursion - var loweredCase = false; - for (;;) { - switch (encoding) { - case 'ascii': - case 'binary': - // Deprecated - case 'raw': - case 'raws': - return len; - - case 'utf8': - case 'utf-8': - return binding.byteLengthUtf8(string); - - case 'ucs2': - case 'ucs-2': - case 'utf16le': - case 'utf-16le': - return len * 2; - - case 'hex': - return len >>> 1; - - case 'base64': - return base64ByteLength(string, len); - - default: - // The C++ binding defaulted to UTF8, we should too. - if (loweredCase) - return binding.byteLengthUtf8(string); - - encoding = ('' + encoding).toLowerCase(); - loweredCase = true; - } - } -} - -Buffer.byteLength = byteLength; - - -// For backwards compatibility. -Object.defineProperty(Buffer.prototype, 'parent', { - enumerable: true, - get: function() { - if (this.byteLength === 0 || - this.byteLength === this.buffer.byteLength) { - return undefined; - } - return this.buffer; - } -}); -Object.defineProperty(Buffer.prototype, 'offset', { - enumerable: true, - get: function() { - return this.byteOffset; - } -}); - - -// toString(encoding, start=0, end=buffer.length) -Buffer.prototype.toString = function(encoding, start, end) { - var loweredCase = false; - - start = start >>> 0; - end = end === undefined || end === Infinity ? this.length : end >>> 0; - - if (!encoding) encoding = 'utf8'; - if (start < 0) start = 0; - if (end > this.length) end = this.length; - if (end <= start) return ''; - - while (true) { - switch (encoding) { - case 'hex': - return this.hexSlice(start, end); - - case 'utf8': - case 'utf-8': - return this.utf8Slice(start, end); - - case 'ascii': - return this.asciiSlice(start, end); - - case 'binary': - return this.binarySlice(start, end); - - case 'base64': - return this.base64Slice(start, end); - - case 'ucs2': - case 'ucs-2': - case 'utf16le': - case 'utf-16le': - return this.ucs2Slice(start, end); - - default: - if (loweredCase) - throw new TypeError('Unknown encoding: ' + encoding); - encoding = (encoding + '').toLowerCase(); - loweredCase = true; - } - } -}; - - -Buffer.prototype.equals = function equals(b) { - if (!(b instanceof Buffer)) - throw new TypeError('Argument must be a Buffer'); - - if (this === b) - return true; - - return binding.compare(this, b) === 0; -}; - - -// Inspect -Buffer.prototype.inspect = function inspect() { - var str = ''; - var max = exports.INSPECT_MAX_BYTES; - if (this.length > 0) { - str = this.toString('hex', 0, max).match(/.{2}/g).join(' '); - if (this.length > max) - str += ' ... '; - } - return '<' + this.constructor.name + ' ' + str + '>'; -}; - - -Buffer.prototype.compare = function compare(b) { - if (!(b instanceof Buffer)) - throw new TypeError('Argument must be a Buffer'); - - if (this === b) - return 0; - - return binding.compare(this, b); -}; - - -Buffer.prototype.indexOf = function indexOf(val, byteOffset) { - if (byteOffset > 0x7fffffff) - byteOffset = 0x7fffffff; - else if (byteOffset < -0x80000000) - byteOffset = -0x80000000; - byteOffset >>= 0; - - if (typeof val === 'string') - return binding.indexOfString(this, val, byteOffset); - if (val instanceof Buffer) - return binding.indexOfBuffer(this, val, byteOffset); - if (typeof val === 'number') - return binding.indexOfNumber(this, val, byteOffset); - - throw new TypeError('val must be string, number or Buffer'); -}; - - -Buffer.prototype.fill = function fill(val, start, end) { - start = start >> 0; - end = (end === undefined) ? this.length : end >> 0; - - if (start < 0 || end > this.length) - throw new RangeError('out of range index'); - if (end <= start) - return this; - - if (typeof val !== 'string') { - val = val >>> 0; - } else if (val.length === 1) { - var code = val.charCodeAt(0); - if (code < 256) - val = code; - } - - binding.fill(this, val, start, end); - - return this; -}; - - -// XXX remove in v0.13 -Buffer.prototype.get = internalUtil.deprecate(function get(offset) { - offset = ~~offset; - if (offset < 0 || offset >= this.length) - throw new RangeError('index out of range'); - return this[offset]; -}, '.get() is deprecated. Access using array indexes instead.'); - - -// XXX remove in v0.13 -Buffer.prototype.set = internalUtil.deprecate(function set(offset, v) { - offset = ~~offset; - if (offset < 0 || offset >= this.length) - throw new RangeError('index out of range'); - return this[offset] = v; -}, '.set() is deprecated. Set using array indexes instead.'); - - -// TODO(trevnorris): fix these checks to follow new standard -// write(string, offset = 0, length = buffer.length, encoding = 'utf8') -var writeWarned = false; -const writeMsg = '.write(string, encoding, offset, length) is deprecated.' + - ' Use write(string[, offset[, length]][, encoding]) instead.'; -Buffer.prototype.write = function(string, offset, length, encoding) { - // Buffer#write(string); - if (offset === undefined) { - encoding = 'utf8'; - length = this.length; - offset = 0; - - // Buffer#write(string, encoding) - } else if (length === undefined && typeof offset === 'string') { - encoding = offset; - length = this.length; - offset = 0; - - // Buffer#write(string, offset[, length][, encoding]) - } else if (isFinite(offset)) { - offset = offset >>> 0; - if (isFinite(length)) { - length = length >>> 0; - if (encoding === undefined) - encoding = 'utf8'; - } else { - encoding = length; - length = undefined; - } - - // XXX legacy write(string, encoding, offset, length) - remove in v0.13 - } else { - writeWarned = internalUtil.printDeprecationMessage(writeMsg, writeWarned); - var swap = encoding; - encoding = offset; - offset = length >>> 0; - length = swap; - } - - var remaining = this.length - offset; - if (length === undefined || length > remaining) - length = remaining; - - if (string.length > 0 && (length < 0 || offset < 0)) - throw new RangeError('attempt to write outside buffer bounds'); - - if (!encoding) - encoding = 'utf8'; - - var loweredCase = false; - for (;;) { - switch (encoding) { - case 'hex': - return this.hexWrite(string, offset, length); - - case 'utf8': - case 'utf-8': - return this.utf8Write(string, offset, length); - - case 'ascii': - return this.asciiWrite(string, offset, length); - - case 'binary': - return this.binaryWrite(string, offset, length); - - case 'base64': - // Warning: maxLength not taken into account in base64Write - return this.base64Write(string, offset, length); - - case 'ucs2': - case 'ucs-2': - case 'utf16le': - case 'utf-16le': - return this.ucs2Write(string, offset, length); - - default: - if (loweredCase) - throw new TypeError('Unknown encoding: ' + encoding); - encoding = ('' + encoding).toLowerCase(); - loweredCase = true; - } - } -}; - - -Buffer.prototype.toJSON = function() { - return { - type: 'Buffer', - data: Array.prototype.slice.call(this, 0) - }; -}; - - -// TODO(trevnorris): currently works like Array.prototype.slice(), which -// doesn't follow the new standard for throwing on out of range indexes. -Buffer.prototype.slice = function slice(start, end) { - var len = this.length; - start = ~~start; - end = end === undefined ? len : ~~end; - - if (start < 0) { - start += len; - if (start < 0) - start = 0; - } else if (start > len) { - start = len; - } - - if (end < 0) { - end += len; - if (end < 0) - end = 0; - } else if (end > len) { - end = len; - } - - if (end < start) - end = start; - - return binding.slice(this, start, end); -}; - - -function checkOffset(offset, ext, length) { - if (offset + ext > length) - throw new RangeError('index out of range'); -} - - -Buffer.prototype.readUIntLE = function(offset, byteLength, noAssert) { - offset = offset >>> 0; - byteLength = byteLength >>> 0; - if (!noAssert) - checkOffset(offset, byteLength, this.length); - - var val = this[offset]; - var mul = 1; - var i = 0; - while (++i < byteLength && (mul *= 0x100)) - val += this[offset + i] * mul; - - return val; -}; - - -Buffer.prototype.readUIntBE = function(offset, byteLength, noAssert) { - offset = offset >>> 0; - byteLength = byteLength >>> 0; - if (!noAssert) - checkOffset(offset, byteLength, this.length); - - var val = this[offset + --byteLength]; - var mul = 1; - while (byteLength > 0 && (mul *= 0x100)) - val += this[offset + --byteLength] * mul; - - return val; -}; - - -Buffer.prototype.readUInt8 = function(offset, noAssert) { - offset = offset >>> 0; - if (!noAssert) - checkOffset(offset, 1, this.length); - return this[offset]; -}; - - -Buffer.prototype.readUInt16LE = function(offset, noAssert) { - offset = offset >>> 0; - if (!noAssert) - checkOffset(offset, 2, this.length); - return this[offset] | (this[offset + 1] << 8); -}; - - -Buffer.prototype.readUInt16BE = function(offset, noAssert) { - offset = offset >>> 0; - if (!noAssert) - checkOffset(offset, 2, this.length); - return (this[offset] << 8) | this[offset + 1]; -}; - - -Buffer.prototype.readUInt32LE = function(offset, noAssert) { - offset = offset >>> 0; - if (!noAssert) - checkOffset(offset, 4, this.length); - - return ((this[offset]) | - (this[offset + 1] << 8) | - (this[offset + 2] << 16)) + - (this[offset + 3] * 0x1000000); -}; - - -Buffer.prototype.readUInt32BE = function(offset, noAssert) { - offset = offset >>> 0; - if (!noAssert) - checkOffset(offset, 4, this.length); - - return (this[offset] * 0x1000000) + - ((this[offset + 1] << 16) | - (this[offset + 2] << 8) | - this[offset + 3]); -}; - - -Buffer.prototype.readIntLE = function(offset, byteLength, noAssert) { - offset = offset >>> 0; - byteLength = byteLength >>> 0; - if (!noAssert) - checkOffset(offset, byteLength, this.length); - - var val = this[offset]; - var mul = 1; - var i = 0; - while (++i < byteLength && (mul *= 0x100)) - val += this[offset + i] * mul; - mul *= 0x80; - - if (val >= mul) - val -= Math.pow(2, 8 * byteLength); - - return val; -}; - - -Buffer.prototype.readIntBE = function(offset, byteLength, noAssert) { - offset = offset >>> 0; - byteLength = byteLength >>> 0; - if (!noAssert) - checkOffset(offset, byteLength, this.length); - - var i = byteLength; - var mul = 1; - var val = this[offset + --i]; - while (i > 0 && (mul *= 0x100)) - val += this[offset + --i] * mul; - mul *= 0x80; - - if (val >= mul) - val -= Math.pow(2, 8 * byteLength); - - return val; -}; - - -Buffer.prototype.readInt8 = function(offset, noAssert) { - offset = offset >>> 0; - if (!noAssert) - checkOffset(offset, 1, this.length); - var val = this[offset]; - return !(val & 0x80) ? val : (0xff - val + 1) * -1; -}; - - -Buffer.prototype.readInt16LE = function(offset, noAssert) { - offset = offset >>> 0; - if (!noAssert) - checkOffset(offset, 2, this.length); - var val = this[offset] | (this[offset + 1] << 8); - return (val & 0x8000) ? val | 0xFFFF0000 : val; -}; - - -Buffer.prototype.readInt16BE = function(offset, noAssert) { - offset = offset >>> 0; - if (!noAssert) - checkOffset(offset, 2, this.length); - var val = this[offset + 1] | (this[offset] << 8); - return (val & 0x8000) ? val | 0xFFFF0000 : val; -}; - - -Buffer.prototype.readInt32LE = function(offset, noAssert) { - offset = offset >>> 0; - if (!noAssert) - checkOffset(offset, 4, this.length); - - return (this[offset]) | - (this[offset + 1] << 8) | - (this[offset + 2] << 16) | - (this[offset + 3] << 24); -}; - - -Buffer.prototype.readInt32BE = function(offset, noAssert) { - offset = offset >>> 0; - if (!noAssert) - checkOffset(offset, 4, this.length); - - return (this[offset] << 24) | - (this[offset + 1] << 16) | - (this[offset + 2] << 8) | - (this[offset + 3]); -}; - - -Buffer.prototype.readFloatLE = function readFloatLE(offset, noAssert) { - offset = offset >>> 0; - if (!noAssert) - checkOffset(offset, 4, this.length); - return binding.readFloatLE(this, offset); -}; - - -Buffer.prototype.readFloatBE = function readFloatBE(offset, noAssert) { - offset = offset >>> 0; - if (!noAssert) - checkOffset(offset, 4, this.length); - return binding.readFloatBE(this, offset); -}; - - -Buffer.prototype.readDoubleLE = function readDoubleLE(offset, noAssert) { - offset = offset >>> 0; - if (!noAssert) - checkOffset(offset, 8, this.length); - return binding.readDoubleLE(this, offset); -}; - - -Buffer.prototype.readDoubleBE = function readDoubleBE(offset, noAssert) { - offset = offset >>> 0; - if (!noAssert) - checkOffset(offset, 8, this.length); - return binding.readDoubleBE(this, offset); -}; - - -function checkInt(buffer, value, offset, ext, max, min) { - if (!(buffer instanceof Buffer)) - throw new TypeError('buffer must be a Buffer instance'); - if (value > max || value < min) - throw new TypeError('value is out of bounds'); - if (offset + ext > buffer.length) - throw new RangeError('index out of range'); -} - - -Buffer.prototype.writeUIntLE = function(value, offset, byteLength, noAssert) { - value = +value; - offset = offset >>> 0; - byteLength = byteLength >>> 0; - if (!noAssert) - checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0); - - var mul = 1; - var i = 0; - this[offset] = value; - while (++i < byteLength && (mul *= 0x100)) - this[offset + i] = (value / mul) >>> 0; - - return offset + byteLength; -}; - - -Buffer.prototype.writeUIntBE = function(value, offset, byteLength, noAssert) { - value = +value; - offset = offset >>> 0; - byteLength = byteLength >>> 0; - if (!noAssert) - checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0); - - var i = byteLength - 1; - var mul = 1; - this[offset + i] = value; - while (--i >= 0 && (mul *= 0x100)) - this[offset + i] = (value / mul) >>> 0; - - return offset + byteLength; -}; - - -Buffer.prototype.writeUInt8 = function(value, offset, noAssert) { - value = +value; - offset = offset >>> 0; - if (!noAssert) - checkInt(this, value, offset, 1, 0xff, 0); - this[offset] = value; - return offset + 1; -}; - - -Buffer.prototype.writeUInt16LE = function(value, offset, noAssert) { - value = +value; - offset = offset >>> 0; - if (!noAssert) - checkInt(this, value, offset, 2, 0xffff, 0); - this[offset] = value; - this[offset + 1] = (value >>> 8); - return offset + 2; -}; - - -Buffer.prototype.writeUInt16BE = function(value, offset, noAssert) { - value = +value; - offset = offset >>> 0; - if (!noAssert) - checkInt(this, value, offset, 2, 0xffff, 0); - this[offset] = (value >>> 8); - this[offset + 1] = value; - return offset + 2; -}; - - -Buffer.prototype.writeUInt32LE = function(value, offset, noAssert) { - value = +value; - offset = offset >>> 0; - if (!noAssert) - checkInt(this, value, offset, 4, 0xffffffff, 0); - this[offset + 3] = (value >>> 24); - this[offset + 2] = (value >>> 16); - this[offset + 1] = (value >>> 8); - this[offset] = value; - return offset + 4; -}; - - -Buffer.prototype.writeUInt32BE = function(value, offset, noAssert) { - value = +value; - offset = offset >>> 0; - if (!noAssert) - checkInt(this, value, offset, 4, 0xffffffff, 0); - this[offset] = (value >>> 24); - this[offset + 1] = (value >>> 16); - this[offset + 2] = (value >>> 8); - this[offset + 3] = value; - return offset + 4; -}; - - -Buffer.prototype.writeIntLE = function(value, offset, byteLength, noAssert) { - value = +value; - offset = offset >>> 0; - if (!noAssert) { - checkInt(this, - value, - offset, - byteLength, - Math.pow(2, 8 * byteLength - 1) - 1, - -Math.pow(2, 8 * byteLength - 1)); - } - - var i = 0; - var mul = 1; - var sub = value < 0 ? 1 : 0; - this[offset] = value; - while (++i < byteLength && (mul *= 0x100)) - this[offset + i] = ((value / mul) >> 0) - sub; - - return offset + byteLength; -}; - - -Buffer.prototype.writeIntBE = function(value, offset, byteLength, noAssert) { - value = +value; - offset = offset >>> 0; - if (!noAssert) { - checkInt(this, - value, - offset, - byteLength, - Math.pow(2, 8 * byteLength - 1) - 1, - -Math.pow(2, 8 * byteLength - 1)); - } - - var i = byteLength - 1; - var mul = 1; - var sub = value < 0 ? 1 : 0; - this[offset + i] = value; - while (--i >= 0 && (mul *= 0x100)) - this[offset + i] = ((value / mul) >> 0) - sub; - - return offset + byteLength; -}; - - -Buffer.prototype.writeInt8 = function(value, offset, noAssert) { - value = +value; - offset = offset >>> 0; - if (!noAssert) - checkInt(this, value, offset, 1, 0x7f, -0x80); - this[offset] = value; - return offset + 1; -}; - - -Buffer.prototype.writeInt16LE = function(value, offset, noAssert) { - value = +value; - offset = offset >>> 0; - if (!noAssert) - checkInt(this, value, offset, 2, 0x7fff, -0x8000); - this[offset] = value; - this[offset + 1] = (value >>> 8); - return offset + 2; -}; - - -Buffer.prototype.writeInt16BE = function(value, offset, noAssert) { - value = +value; - offset = offset >>> 0; - if (!noAssert) - checkInt(this, value, offset, 2, 0x7fff, -0x8000); - this[offset] = (value >>> 8); - this[offset + 1] = value; - return offset + 2; -}; - - -Buffer.prototype.writeInt32LE = function(value, offset, noAssert) { - value = +value; - offset = offset >>> 0; - if (!noAssert) - checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000); - this[offset] = value; - this[offset + 1] = (value >>> 8); - this[offset + 2] = (value >>> 16); - this[offset + 3] = (value >>> 24); - return offset + 4; -}; - - -Buffer.prototype.writeInt32BE = function(value, offset, noAssert) { - value = +value; - offset = offset >>> 0; - if (!noAssert) - checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000); - this[offset] = (value >>> 24); - this[offset + 1] = (value >>> 16); - this[offset + 2] = (value >>> 8); - this[offset + 3] = value; - return offset + 4; -}; - - -function checkFloat(buffer, value, offset, ext) { - if (!(buffer instanceof Buffer)) - throw new TypeError('buffer must be a Buffer instance'); - if (offset + ext > buffer.length) - throw new RangeError('index out of range'); -} - - -Buffer.prototype.writeFloatLE = function writeFloatLE(val, offset, noAssert) { - val = +val; - offset = offset >>> 0; - if (!noAssert) - checkFloat(this, val, offset, 4); - binding.writeFloatLE(this, val, offset); - return offset + 4; -}; - - -Buffer.prototype.writeFloatBE = function writeFloatBE(val, offset, noAssert) { - val = +val; - offset = offset >>> 0; - if (!noAssert) - checkFloat(this, val, offset, 4); - binding.writeFloatBE(this, val, offset); - return offset + 4; -}; - - -Buffer.prototype.writeDoubleLE = function writeDoubleLE(val, offset, noAssert) { - val = +val; - offset = offset >>> 0; - if (!noAssert) - checkFloat(this, val, offset, 8); - binding.writeDoubleLE(this, val, offset); - return offset + 8; -}; - - -Buffer.prototype.writeDoubleBE = function writeDoubleBE(val, offset, noAssert) { - val = +val; - offset = offset >>> 0; - if (!noAssert) - checkFloat(this, val, offset, 8); - binding.writeDoubleBE(this, val, offset); - return offset + 8; -}; diff --git a/node.gyp b/node.gyp index d292012..21d2802 100644 --- a/node.gyp +++ b/node.gyp @@ -69,7 +69,6 @@ 'lib/vm.js', 'lib/zlib.js', 'lib/internal/child_process.js', - 'lib/internal/buffer_new.js', 'lib/internal/freelist.js', 'lib/internal/socket_list.js', 'lib/internal/repl.js',