diff options
Diffstat (limited to '')
| -rw-r--r-- | node_modules/iconv-lite/encodings/sbcs-codec.js | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/node_modules/iconv-lite/encodings/sbcs-codec.js b/node_modules/iconv-lite/encodings/sbcs-codec.js deleted file mode 100644 index 0e2fc92..0000000 --- a/node_modules/iconv-lite/encodings/sbcs-codec.js +++ /dev/null @@ -1,75 +0,0 @@ -"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; var 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 () { -} |