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author | Danijel Andjelkovic <adanijel99@gmail.com> | 2022-03-01 21:54:41 +0100 |
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committer | Danijel Andjelkovic <adanijel99@gmail.com> | 2022-03-01 21:54:41 +0100 |
commit | 6c8128f9fd5a5d0be115806c35a21b3d683df8d6 (patch) | |
tree | f46c2f6b3b9b294ff32bd75c08ccdc9e7a8cc4ef /sandbox/testAppNevena/Front/node_modules/iconv-lite/encodings/sbcs-codec.js | |
parent | 2400b84e95913665da6279114168148444b8f9ab (diff) | |
parent | 7d3640f824f46490b47bd95f1c5a16644f712068 (diff) |
Merge branch 'dev' of http://gitlab.pmf.kg.ac.rs/igrannonica/neuronstellar into logo
Diffstat (limited to 'sandbox/testAppNevena/Front/node_modules/iconv-lite/encodings/sbcs-codec.js')
-rw-r--r-- | sandbox/testAppNevena/Front/node_modules/iconv-lite/encodings/sbcs-codec.js | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/iconv-lite/encodings/sbcs-codec.js b/sandbox/testAppNevena/Front/node_modules/iconv-lite/encodings/sbcs-codec.js new file mode 100644 index 00000000..abac5ffa --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/iconv-lite/encodings/sbcs-codec.js @@ -0,0 +1,72 @@ +"use strict"; +var Buffer = require("safer-buffer").Buffer; + +// Single-byte codec. Needs a 'chars' string parameter that contains 256 or 128 chars that +// correspond to encoded bytes (if 128 - then lower half is ASCII). + +exports._sbcs = SBCSCodec; +function SBCSCodec(codecOptions, iconv) { + if (!codecOptions) + throw new Error("SBCS codec is called without the data.") + + // Prepare char buffer for decoding. + if (!codecOptions.chars || (codecOptions.chars.length !== 128 && codecOptions.chars.length !== 256)) + throw new Error("Encoding '"+codecOptions.type+"' has incorrect 'chars' (must be of len 128 or 256)"); + + if (codecOptions.chars.length === 128) { + var asciiString = ""; + for (var i = 0; i < 128; i++) + asciiString += String.fromCharCode(i); + codecOptions.chars = asciiString + codecOptions.chars; + } + + this.decodeBuf = Buffer.from(codecOptions.chars, 'ucs2'); + + // Encoding buffer. + var encodeBuf = Buffer.alloc(65536, iconv.defaultCharSingleByte.charCodeAt(0)); + + for (var i = 0; i < codecOptions.chars.length; i++) + encodeBuf[codecOptions.chars.charCodeAt(i)] = i; + + this.encodeBuf = encodeBuf; +} + +SBCSCodec.prototype.encoder = SBCSEncoder; +SBCSCodec.prototype.decoder = SBCSDecoder; + + +function SBCSEncoder(options, codec) { + this.encodeBuf = codec.encodeBuf; +} + +SBCSEncoder.prototype.write = function(str) { + var buf = Buffer.alloc(str.length); + for (var i = 0; i < str.length; i++) + buf[i] = this.encodeBuf[str.charCodeAt(i)]; + + return buf; +} + +SBCSEncoder.prototype.end = function() { +} + + +function SBCSDecoder(options, codec) { + this.decodeBuf = codec.decodeBuf; +} + +SBCSDecoder.prototype.write = function(buf) { + // Strings are immutable in JS -> we use ucs2 buffer to speed up computations. + var decodeBuf = this.decodeBuf; + var newBuf = Buffer.alloc(buf.length*2); + var idx1 = 0, idx2 = 0; + for (var i = 0; i < buf.length; i++) { + idx1 = buf[i]*2; idx2 = i*2; + newBuf[idx2] = decodeBuf[idx1]; + newBuf[idx2+1] = decodeBuf[idx1+1]; + } + return newBuf.toString('ucs2'); +} + +SBCSDecoder.prototype.end = function() { +} |