cafe-grader-web

Location: cafe-grader-web/node_modules/restructure/src/DecodeStream.js - annotation

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Commit Description:
merge
Commit Description:
merge
References:
r840:b948bb241476 merge algo
File last commit:
r789:8cd7e8db7e38 default
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node_modules/restructure/src/DecodeStream.js | 102 lines | 2.5 KiB | application/javascript | JavascriptLexer |
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move datatable to yarn
 r789 // Generated by CoffeeScript 1.7.1
(function() {
var DecodeStream, iconv;
try {
iconv = require('iconv-lite');
} catch (_error) {}
DecodeStream = (function() {
var key;
function DecodeStream(buffer) {
this.buffer = buffer;
this.pos = 0;
this.length = this.buffer.length;
}
DecodeStream.TYPES = {
UInt8: 1,
UInt16: 2,
UInt24: 3,
UInt32: 4,
Int8: 1,
Int16: 2,
Int24: 3,
Int32: 4,
Float: 4,
Double: 8
};
for (key in Buffer.prototype) {
if (key.slice(0, 4) === 'read') {
(function(key) {
var bytes;
bytes = DecodeStream.TYPES[key.replace(/read|[BL]E/g, '')];
return DecodeStream.prototype[key] = function() {
var ret;
ret = this.buffer[key](this.pos);
this.pos += bytes;
return ret;
};
})(key);
}
}
DecodeStream.prototype.readString = function(length, encoding) {
var buf, byte, i, _i, _ref;
if (encoding == null) {
encoding = 'ascii';
}
switch (encoding) {
case 'utf16le':
case 'ucs2':
case 'utf8':
case 'ascii':
return this.buffer.toString(encoding, this.pos, this.pos += length);
case 'utf16be':
buf = new Buffer(this.readBuffer(length));
for (i = _i = 0, _ref = buf.length - 1; _i < _ref; i = _i += 2) {
byte = buf[i];
buf[i] = buf[i + 1];
buf[i + 1] = byte;
}
return buf.toString('utf16le');
default:
buf = this.readBuffer(length);
if (iconv) {
try {
return iconv.decode(buf, encoding);
} catch (_error) {}
}
return buf;
}
};
DecodeStream.prototype.readBuffer = function(length) {
return this.buffer.slice(this.pos, this.pos += length);
};
DecodeStream.prototype.readUInt24BE = function() {
return (this.readUInt16BE() << 8) + this.readUInt8();
};
DecodeStream.prototype.readUInt24LE = function() {
return this.readUInt16LE() + (this.readUInt8() << 16);
};
DecodeStream.prototype.readInt24BE = function() {
return (this.readInt16BE() << 8) + this.readUInt8();
};
DecodeStream.prototype.readInt24LE = function() {
return this.readUInt16LE() + (this.readInt8() << 16);
};
return DecodeStream;
})();
module.exports = DecodeStream;
}).call(this);