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node_modules/iconv-lite/encodings/sbcs-codec.js

@@ -1,72 +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, 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() {
-}