diff options
Diffstat (limited to 'hash_script/node_modules/iconv-lite/lib/extend-node.js')
| -rw-r--r-- | hash_script/node_modules/iconv-lite/lib/extend-node.js | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/hash_script/node_modules/iconv-lite/lib/extend-node.js b/hash_script/node_modules/iconv-lite/lib/extend-node.js deleted file mode 100644 index a120400..0000000 --- a/hash_script/node_modules/iconv-lite/lib/extend-node.js +++ /dev/null @@ -1,215 +0,0 @@ -"use strict"; -var Buffer = require("buffer").Buffer; - -// == Extend Node primitives to use iconv-lite ================================= - -module.exports = function (iconv) { - var original = undefined; // Place to keep original methods. - - // Node authors rewrote Buffer internals to make it compatible with - // Uint8Array and we cannot patch key functions since then. - iconv.supportsNodeEncodingsExtension = !(new Buffer(0) instanceof Uint8Array); - - iconv.extendNodeEncodings = function extendNodeEncodings() { - if (original) return; - original = {}; - - if (!iconv.supportsNodeEncodingsExtension) { - console.error("ACTION NEEDED: require('iconv-lite').extendNodeEncodings() is not supported in your version of Node"); - console.error("See more info at https://github.com/ashtuchkin/iconv-lite/wiki/Node-v4-compatibility"); - return; - } - - var nodeNativeEncodings = { - 'hex': true, 'utf8': true, 'utf-8': true, 'ascii': true, 'binary': true, - 'base64': true, 'ucs2': true, 'ucs-2': true, 'utf16le': true, 'utf-16le': true, - }; - - Buffer.isNativeEncoding = function(enc) { - return enc && nodeNativeEncodings[enc.toLowerCase()]; - } - - // -- SlowBuffer ----------------------------------------------------------- - var SlowBuffer = require('buffer').SlowBuffer; - - original.SlowBufferToString = SlowBuffer.prototype.toString; - SlowBuffer.prototype.toString = function(encoding, start, end) { - encoding = String(encoding || 'utf8').toLowerCase(); - - // Use native conversion when possible - if (Buffer.isNativeEncoding(encoding)) - return original.SlowBufferToString.call(this, encoding, start, end); - - // Otherwise, use our decoding method. - if (typeof start == 'undefined') start = 0; - if (typeof end == 'undefined') end = this.length; - return iconv.decode(this.slice(start, end), encoding); - } - - original.SlowBufferWrite = SlowBuffer.prototype.write; - SlowBuffer.prototype.write = function(string, offset, length, encoding) { - // Support both (string, offset, length, encoding) - // and the legacy (string, encoding, offset, length) - if (isFinite(offset)) { - if (!isFinite(length)) { - encoding = length; - length = undefined; - } - } else { // legacy - var swap = encoding; - encoding = offset; - offset = length; - length = swap; - } - - offset = +offset || 0; - var remaining = this.length - offset; - if (!length) { - length = remaining; - } else { - length = +length; - if (length > remaining) { - length = remaining; - } - } - encoding = String(encoding || 'utf8').toLowerCase(); - - // Use native conversion when possible - if (Buffer.isNativeEncoding(encoding)) - return original.SlowBufferWrite.call(this, string, offset, length, encoding); - - if (string.length > 0 && (length < 0 || offset < 0)) - throw new RangeError('attempt to write beyond buffer bounds'); - - // Otherwise, use our encoding method. - var buf = iconv.encode(string, encoding); - if (buf.length < length) length = buf.length; - buf.copy(this, offset, 0, length); - return length; - } - - // -- Buffer --------------------------------------------------------------- - - original.BufferIsEncoding = Buffer.isEncoding; - Buffer.isEncoding = function(encoding) { - return Buffer.isNativeEncoding(encoding) || iconv.encodingExists(encoding); - } - - original.BufferByteLength = Buffer.byteLength; - Buffer.byteLength = SlowBuffer.byteLength = function(str, encoding) { - encoding = String(encoding || 'utf8').toLowerCase(); - - // Use native conversion when possible - if (Buffer.isNativeEncoding(encoding)) - return original.BufferByteLength.call(this, str, encoding); - - // Slow, I know, but we don't have a better way yet. - return iconv.encode(str, encoding).length; - } - - original.BufferToString = Buffer.prototype.toString; - Buffer.prototype.toString = function(encoding, start, end) { - encoding = String(encoding || 'utf8').toLowerCase(); - - // Use native conversion when possible - if (Buffer.isNativeEncoding(encoding)) - return original.BufferToString.call(this, encoding, start, end); - - // Otherwise, use our decoding method. - if (typeof start == 'undefined') start = 0; - if (typeof end == 'undefined') end = this.length; - return iconv.decode(this.slice(start, end), encoding); - } - - original.BufferWrite = Buffer.prototype.write; - Buffer.prototype.write = function(string, offset, length, encoding) { - var _offset = offset, _length = length, _encoding = encoding; - // Support both (string, offset, length, encoding) - // and the legacy (string, encoding, offset, length) - if (isFinite(offset)) { - if (!isFinite(length)) { - encoding = length; - length = undefined; - } - } else { // legacy - var swap = encoding; - encoding = offset; - offset = length; - length = swap; - } - - encoding = String(encoding || 'utf8').toLowerCase(); - - // Use native conversion when possible - if (Buffer.isNativeEncoding(encoding)) - return original.BufferWrite.call(this, string, _offset, _length, _encoding); - - offset = +offset || 0; - var remaining = this.length - offset; - if (!length) { - length = remaining; - } else { - length = +length; - if (length > remaining) { - length = remaining; - } - } - - if (string.length > 0 && (length < 0 || offset < 0)) - throw new RangeError('attempt to write beyond buffer bounds'); - - // Otherwise, use our encoding method. - var buf = iconv.encode(string, encoding); - if (buf.length < length) length = buf.length; - buf.copy(this, offset, 0, length); - return length; - - // TODO: Set _charsWritten. - } - - - // -- Readable ------------------------------------------------------------- - if (iconv.supportsStreams) { - var Readable = require('stream').Readable; - - original.ReadableSetEncoding = Readable.prototype.setEncoding; - Readable.prototype.setEncoding = function setEncoding(enc, options) { - // Use our own decoder, it has the same interface. - // We cannot use original function as it doesn't handle BOM-s. - this._readableState.decoder = iconv.getDecoder(enc, options); - this._readableState.encoding = enc; - } - - Readable.prototype.collect = iconv._collect; - } - } - - // Remove iconv-lite Node primitive extensions. - iconv.undoExtendNodeEncodings = function undoExtendNodeEncodings() { - if (!iconv.supportsNodeEncodingsExtension) - return; - if (!original) - throw new Error("require('iconv-lite').undoExtendNodeEncodings(): Nothing to undo; extendNodeEncodings() is not called.") - - delete Buffer.isNativeEncoding; - - var SlowBuffer = require('buffer').SlowBuffer; - - SlowBuffer.prototype.toString = original.SlowBufferToString; - SlowBuffer.prototype.write = original.SlowBufferWrite; - - Buffer.isEncoding = original.BufferIsEncoding; - Buffer.byteLength = original.BufferByteLength; - Buffer.prototype.toString = original.BufferToString; - Buffer.prototype.write = original.BufferWrite; - - if (iconv.supportsStreams) { - var Readable = require('stream').Readable; - - Readable.prototype.setEncoding = original.ReadableSetEncoding; - delete Readable.prototype.collect; - } - - original = undefined; - } -} |