cafe-grader-web

Location: cafe-grader-web/node_modules/quote-stream/index.js - annotation

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Commit Description:
fig bugs in login report
Commit Description:
fig bugs in login report
References:
r858:21c0ea2ca2c0 default
File last commit:
r789:8cd7e8db7e38 default
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node_modules/quote-stream/index.js | 92 lines | 2.9 KiB | application/javascript | JavascriptLexer |
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move datatable to yarn
 r789 var through = require('through2');
var equals = require('buffer-equal')
var buffers = {
quote: Buffer('"'),
escapeQuote: Buffer('\\"'),
escapeEscape: Buffer('\\\\'),
escapeB: Buffer('\\b'),
escapeF: Buffer('\\f'),
escapeN: Buffer('\\n'),
escapeR: Buffer('\\r'),
escapeT: Buffer('\\t'),
escapeLineSeparator: Buffer('\\u2028'),
escapeParagraphSeparator: Buffer('\\u2029')
};
for (var i = 0; i < 32; i++) {
var s = i.toString(16);
buffers[i] = Buffer('\\u' + Array(5-s.length).join('0') + s);
}
var codes = {
quote: '"'.charCodeAt(0),
escape: '\\'.charCodeAt(0),
b: '\b'.charCodeAt(0),
f: '\f'.charCodeAt(0),
n: '\n'.charCodeAt(0),
r: '\r'.charCodeAt(0),
t: '\t'.charCodeAt(0)
};
var multiByteBuffers = {
lineSeparator: Buffer('\u2028', 'utf8'),
paragraphSeparator: Buffer('\u2029', 'utf8')
};
var multiByteSeparatorLength = multiByteBuffers.lineSeparator.length; // same for both
var multiByteSeparatorOffset = multiByteSeparatorLength - 1;
var multiByteSeparatorCode = multiByteBuffers.lineSeparator[0]; // same for both
var map = {};
map[codes.quote] = buffers.escapeQuote;
map[codes.escape] = buffers.escapeEscape;
map[codes.b] = buffers.escapeB;
map[codes.f] = buffers.escapeF;
map[codes.n] = buffers.escapeN;
map[codes.r] = buffers.escapeR;
map[codes.t] = buffers.escapeT;
module.exports = function () {
var stream = through(write, end);
stream.push(buffers.quote);
return stream;
function write (buf, enc, next) {
var offset = 0;
for (var i = 0; i < buf.length; i++) {
var c = buf[i];
var m = map[c];
if (m) {
var bufs = [ buf.slice(offset, i), m ];
this.push(Buffer.concat(bufs));
offset = i + 1;
}
else if (c < 32) {
var bufs = [ buf.slice(offset, i), buffers[c] ];
this.push(Buffer.concat(bufs));
offset = i + 1;
}
else if (c === multiByteSeparatorCode) {
var rawBuf = buf.slice(i, i + multiByteSeparatorLength);
var escapeBuf = null;
if (equals(rawBuf, multiByteBuffers.lineSeparator)) {
escapeBuf = buffers.escapeLineSeparator;
} else if (equals(rawBuf, multiByteBuffers.paragraphSeparator)) {
escapeBuf = buffers.escapeParagraphSeparator;
}
if (escapeBuf) {
var bufs = [ buf.slice(offset, i), escapeBuf ];
this.push(Buffer.concat(bufs));
offset = i + multiByteSeparatorLength;
i += multiByteSeparatorOffset
}
}
}
if (offset === 0) this.push(buf)
else this.push(buf.slice(offset));
next();
}
function end (next) {
this.push(buffers.quote);
this.push(null);
}
};