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- "use strict";
- var Buffer = require("safer-buffer").Buffer;
- var bomHandling = require("./bom-handling"),
- iconv = module.exports;
- iconv.encodings = null;
- iconv.defaultCharUnicode = '�';
- iconv.defaultCharSingleByte = '?';
- iconv.encode = function encode(str, encoding, options) {
- str = "" + (str || "");
- var encoder = iconv.getEncoder(encoding, options);
- var res = encoder.write(str);
- var trail = encoder.end();
-
- return (trail && trail.length > 0) ? Buffer.concat([res, trail]) : res;
- }
- iconv.decode = function decode(buf, encoding, options) {
- if (typeof buf === 'string') {
- if (!iconv.skipDecodeWarning) {
- console.error('Iconv-lite warning: decode()-ing strings is deprecated. Refer to https://github.com/ashtuchkin/iconv-lite/wiki/Use-Buffers-when-decoding');
- iconv.skipDecodeWarning = true;
- }
- buf = Buffer.from("" + (buf || ""), "binary");
- }
- var decoder = iconv.getDecoder(encoding, options);
- var res = decoder.write(buf);
- var trail = decoder.end();
- return trail ? (res + trail) : res;
- }
- iconv.encodingExists = function encodingExists(enc) {
- try {
- iconv.getCodec(enc);
- return true;
- } catch (e) {
- return false;
- }
- }
- iconv.toEncoding = iconv.encode;
- iconv.fromEncoding = iconv.decode;
- iconv._codecDataCache = {};
- iconv.getCodec = function getCodec(encoding) {
- if (!iconv.encodings)
- iconv.encodings = require("../encodings");
-
-
- var enc = iconv._canonicalizeEncoding(encoding);
-
- var codecOptions = {};
- while (true) {
- var codec = iconv._codecDataCache[enc];
- if (codec)
- return codec;
- var codecDef = iconv.encodings[enc];
- switch (typeof codecDef) {
- case "string":
- enc = codecDef;
- break;
- case "object":
- for (var key in codecDef)
- codecOptions[key] = codecDef[key];
- if (!codecOptions.encodingName)
- codecOptions.encodingName = enc;
-
- enc = codecDef.type;
- break;
- case "function":
- if (!codecOptions.encodingName)
- codecOptions.encodingName = enc;
-
-
- codec = new codecDef(codecOptions, iconv);
- iconv._codecDataCache[codecOptions.encodingName] = codec;
- return codec;
- default:
- throw new Error("Encoding not recognized: '" + encoding + "' (searched as: '"+enc+"')");
- }
- }
- }
- iconv._canonicalizeEncoding = function(encoding) {
-
- return (''+encoding).toLowerCase().replace(/:\d{4}$|[^0-9a-z]/g, "");
- }
- iconv.getEncoder = function getEncoder(encoding, options) {
- var codec = iconv.getCodec(encoding),
- encoder = new codec.encoder(options, codec);
- if (codec.bomAware && options && options.addBOM)
- encoder = new bomHandling.PrependBOM(encoder, options);
- return encoder;
- }
- iconv.getDecoder = function getDecoder(encoding, options) {
- var codec = iconv.getCodec(encoding),
- decoder = new codec.decoder(options, codec);
- if (codec.bomAware && !(options && options.stripBOM === false))
- decoder = new bomHandling.StripBOM(decoder, options);
- return decoder;
- }
- var nodeVer = typeof process !== 'undefined' && process.versions && process.versions.node;
- if (nodeVer) {
-
- var nodeVerArr = nodeVer.split(".").map(Number);
- if (nodeVerArr[0] > 0 || nodeVerArr[1] >= 10) {
- require("./streams")(iconv);
- }
-
- require("./extend-node")(iconv);
- }
- if ("Ā" != "\u0100") {
- console.error("iconv-lite warning: javascript files use encoding different from utf-8. See https://github.com/ashtuchkin/iconv-lite/wiki/Javascript-source-file-encodings for more info.");
- }
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