diff options
Diffstat (limited to 'tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder')
5 files changed, 284 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/.npmignore b/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/.npmignore new file mode 100644 index 0000000000..206320cc1d --- /dev/null +++ b/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/.npmignore @@ -0,0 +1,2 @@ +build +test diff --git a/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/LICENSE b/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/LICENSE new file mode 100644 index 0000000000..6de584a48f --- /dev/null +++ b/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/LICENSE @@ -0,0 +1,20 @@ +Copyright Joyent, Inc. and other Node contributors. + +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. diff --git a/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/README.md b/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/README.md new file mode 100644 index 0000000000..4d2aa00150 --- /dev/null +++ b/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/README.md @@ -0,0 +1,7 @@ +**string_decoder.js** (`require('string_decoder')`) from Node.js core + +Copyright Joyent, Inc. and other Node contributors. See LICENCE file for details. + +Version numbers match the versions found in Node core, e.g. 0.10.24 matches Node 0.10.24, likewise 0.11.10 matches Node 0.11.10. **Prefer the stable version over the unstable.** + +The *build/* directory contains a build script that will scrape the source from the [joyent/node](https://github.com/joyent/node) repo given a specific Node version.
\ No newline at end of file diff --git a/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/index.js b/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/index.js new file mode 100644 index 0000000000..b00e54fb79 --- /dev/null +++ b/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/index.js @@ -0,0 +1,221 @@ +// Copyright Joyent, Inc. and other Node contributors. +// +// 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. + +var Buffer = require('buffer').Buffer; + +var isBufferEncoding = Buffer.isEncoding + || function(encoding) { + switch (encoding && encoding.toLowerCase()) { + 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: return false; + } + } + + +function assertEncoding(encoding) { + if (encoding && !isBufferEncoding(encoding)) { + throw new Error('Unknown encoding: ' + encoding); + } +} + +// StringDecoder provides an interface for efficiently splitting a series of +// buffers into a series of JS strings without breaking apart multi-byte +// characters. CESU-8 is handled as part of the UTF-8 encoding. +// +// @TODO Handling all encodings inside a single object makes it very difficult +// to reason about this code, so it should be split up in the future. +// @TODO There should be a utf8-strict encoding that rejects invalid UTF-8 code +// points as used by CESU-8. +var StringDecoder = exports.StringDecoder = function(encoding) { + this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, ''); + assertEncoding(encoding); + switch (this.encoding) { + case 'utf8': + // CESU-8 represents each of Surrogate Pair by 3-bytes + this.surrogateSize = 3; + break; + case 'ucs2': + case 'utf16le': + // UTF-16 represents each of Surrogate Pair by 2-bytes + this.surrogateSize = 2; + this.detectIncompleteChar = utf16DetectIncompleteChar; + break; + case 'base64': + // Base-64 stores 3 bytes in 4 chars, and pads the remainder. + this.surrogateSize = 3; + this.detectIncompleteChar = base64DetectIncompleteChar; + break; + default: + this.write = passThroughWrite; + return; + } + + // Enough space to store all bytes of a single character. UTF-8 needs 4 + // bytes, but CESU-8 may require up to 6 (3 bytes per surrogate). + this.charBuffer = new Buffer(6); + // Number of bytes received for the current incomplete multi-byte character. + this.charReceived = 0; + // Number of bytes expected for the current incomplete multi-byte character. + this.charLength = 0; +}; + + +// write decodes the given buffer and returns it as JS string that is +// guaranteed to not contain any partial multi-byte characters. Any partial +// character found at the end of the buffer is buffered up, and will be +// returned when calling write again with the remaining bytes. +// +// Note: Converting a Buffer containing an orphan surrogate to a String +// currently works, but converting a String to a Buffer (via `new Buffer`, or +// Buffer#write) will replace incomplete surrogates with the unicode +// replacement character. See https://codereview.chromium.org/121173009/ . +StringDecoder.prototype.write = function(buffer) { + var charStr = ''; + // if our last write ended with an incomplete multibyte character + while (this.charLength) { + // determine how many remaining bytes this buffer has to offer for this char + var available = (buffer.length >= this.charLength - this.charReceived) ? + this.charLength - this.charReceived : + buffer.length; + + // add the new bytes to the char buffer + buffer.copy(this.charBuffer, this.charReceived, 0, available); + this.charReceived += available; + + if (this.charReceived < this.charLength) { + // still not enough chars in this buffer? wait for more ... + return ''; + } + + // remove bytes belonging to the current character from the buffer + buffer = buffer.slice(available, buffer.length); + + // get the character that was split + charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding); + + // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character + var charCode = charStr.charCodeAt(charStr.length - 1); + if (charCode >= 0xD800 && charCode <= 0xDBFF) { + this.charLength += this.surrogateSize; + charStr = ''; + continue; + } + this.charReceived = this.charLength = 0; + + // if there are no more bytes in this buffer, just emit our char + if (buffer.length === 0) { + return charStr; + } + break; + } + + // determine and set charLength / charReceived + this.detectIncompleteChar(buffer); + + var end = buffer.length; + if (this.charLength) { + // buffer the incomplete character bytes we got + buffer.copy(this.charBuffer, 0, buffer.length - this.charReceived, end); + end -= this.charReceived; + } + + charStr += buffer.toString(this.encoding, 0, end); + + var end = charStr.length - 1; + var charCode = charStr.charCodeAt(end); + // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character + if (charCode >= 0xD800 && charCode <= 0xDBFF) { + var size = this.surrogateSize; + this.charLength += size; + this.charReceived += size; + this.charBuffer.copy(this.charBuffer, size, 0, size); + buffer.copy(this.charBuffer, 0, 0, size); + return charStr.substring(0, end); + } + + // or just emit the charStr + return charStr; +}; + +// detectIncompleteChar determines if there is an incomplete UTF-8 character at +// the end of the given buffer. If so, it sets this.charLength to the byte +// length that character, and sets this.charReceived to the number of bytes +// that are available for this character. +StringDecoder.prototype.detectIncompleteChar = function(buffer) { + // determine how many bytes we have to check at the end of this buffer + var i = (buffer.length >= 3) ? 3 : buffer.length; + + // Figure out if one of the last i bytes of our buffer announces an + // incomplete char. + for (; i > 0; i--) { + var c = buffer[buffer.length - i]; + + // See http://en.wikipedia.org/wiki/UTF-8#Description + + // 110XXXXX + if (i == 1 && c >> 5 == 0x06) { + this.charLength = 2; + break; + } + + // 1110XXXX + if (i <= 2 && c >> 4 == 0x0E) { + this.charLength = 3; + break; + } + + // 11110XXX + if (i <= 3 && c >> 3 == 0x1E) { + this.charLength = 4; + break; + } + } + this.charReceived = i; +}; + +StringDecoder.prototype.end = function(buffer) { + var res = ''; + if (buffer && buffer.length) + res = this.write(buffer); + + if (this.charReceived) { + var cr = this.charReceived; + var buf = this.charBuffer; + var enc = this.encoding; + res += buf.slice(0, cr).toString(enc); + } + + return res; +}; + +function passThroughWrite(buffer) { + return buffer.toString(this.encoding); +} + +function utf16DetectIncompleteChar(buffer) { + this.charReceived = buffer.length % 2; + this.charLength = this.charReceived ? 2 : 0; +} + +function base64DetectIncompleteChar(buffer) { + this.charReceived = buffer.length % 3; + this.charLength = this.charReceived ? 3 : 0; +} diff --git a/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/package.json b/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/package.json new file mode 100644 index 0000000000..9bd59ae8d5 --- /dev/null +++ b/tools/eslint/node_modules/concat-stream/node_modules/readable-stream/node_modules/string_decoder/package.json @@ -0,0 +1,34 @@ +{ + "name": "string_decoder", + "version": "0.10.31", + "description": "The string_decoder module from Node core", + "main": "index.js", + "dependencies": {}, + "devDependencies": { + "tap": "~0.4.8" + }, + "scripts": { + "test": "tap test/simple/*.js" + }, + "repository": { + "type": "git", + "url": "git://github.com/rvagg/string_decoder.git" + }, + "homepage": "https://github.com/rvagg/string_decoder", + "keywords": [ + "string", + "decoder", + "browser", + "browserify" + ], + "license": "MIT", + "readme": "**string_decoder.js** (`require('string_decoder')`) from Node.js core\n\nCopyright Joyent, Inc. and other Node contributors. See LICENCE file for details.\n\nVersion numbers match the versions found in Node core, e.g. 0.10.24 matches Node 0.10.24, likewise 0.11.10 matches Node 0.11.10. **Prefer the stable version over the unstable.**\n\nThe *build/* directory contains a build script that will scrape the source from the [joyent/node](https://github.com/joyent/node) repo given a specific Node version.", + "readmeFilename": "README.md", + "bugs": { + "url": "https://github.com/rvagg/string_decoder/issues" + }, + "_id": "string_decoder@0.10.31", + "_shasum": "62e203bc41766c6c28c9fc84301dab1c5310fa94", + "_from": "string_decoder@>=0.10.0 <0.11.0", + "_resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz" +} |