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| author | nanalelfe <nargiza.nosirova@mail.utoronto.ca> | 2016-07-18 10:54:08 +0000 |
|---|---|---|
| committer | nanalelfe <nargiza.nosirova@mail.utoronto.ca> | 2016-07-18 10:54:08 +0000 |
| commit | a35da9f9ccc1124d9b6f4461c7216ffbb0285e2f (patch) | |
| tree | d5b4b8548caae36a20e1258a8341dab4b3d522d2 /node_modules/iconv-lite/lib/bom-handling.js | |
| parent | 16bbc66ebafc6f1a55e47dbda3f3c0f658fe715c (diff) | |
| parent | c1ce89359a7b54ec97b54ce577e5534c180c5c4b (diff) | |
merged
Diffstat (limited to 'node_modules/iconv-lite/lib/bom-handling.js')
| -rw-r--r-- | node_modules/iconv-lite/lib/bom-handling.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/node_modules/iconv-lite/lib/bom-handling.js b/node_modules/iconv-lite/lib/bom-handling.js new file mode 100644 index 0000000..3f0ed93 --- /dev/null +++ b/node_modules/iconv-lite/lib/bom-handling.js @@ -0,0 +1,52 @@ +"use strict" + +var BOMChar = '\uFEFF'; + +exports.PrependBOM = PrependBOMWrapper +function PrependBOMWrapper(encoder, options) { + this.encoder = encoder; + this.addBOM = true; +} + +PrependBOMWrapper.prototype.write = function(str) { + if (this.addBOM) { + str = BOMChar + str; + this.addBOM = false; + } + + return this.encoder.write(str); +} + +PrependBOMWrapper.prototype.end = function() { + return this.encoder.end(); +} + + +//------------------------------------------------------------------------------ + +exports.StripBOM = StripBOMWrapper; +function StripBOMWrapper(decoder, options) { + this.decoder = decoder; + this.pass = false; + this.options = options || {}; +} + +StripBOMWrapper.prototype.write = function(buf) { + var res = this.decoder.write(buf); + if (this.pass || !res) + return res; + + if (res[0] === BOMChar) { + res = res.slice(1); + if (typeof this.options.stripBOM === 'function') + this.options.stripBOM(); + } + + this.pass = true; + return res; +} + +StripBOMWrapper.prototype.end = function() { + return this.decoder.end(); +} + |
