blackbird-server

<!doctype html> <html lang="en"> <head> <title>Code coverage report for modules/multipart/Parser.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../index.html">all files</a> / <a href="index.html">modules/multipart/</a> Parser.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 91.76% Statements 167/182 </div> <div class='fl pad1y space-right2'> 80.23% Branches 69/86 </div> <div class='fl pad1y space-right2'> 100% Functions 14/14 </div> <div class='fl pad1y space-right2'> 91.76% Lines 167/182 </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332</td><td class="line-coverage quiet">  1× 1× 1× 1×         1× 1×                             1× 1×         1× 1× 1× 1× 1×   1× 33× 33× 33×   33× 33× 359×     33× 33× 33×   33×       33×     1× 32×                         32× 7347×   7347×   32× 32×     352× 32×     32× 32× 320× 32×     32× 32× 32× 32×     288×     288× 288×   147× 147× 147×     1688× 53× 53× 53×     1635× 1635× 94×     1541× 94×       94× 94× 94×     1447× 1447×     1447×   188× 94×   94× 94×     3426× 94× 94× 94×   3426×   94×     94× 94×   53×     53× 53× 53×   53× 53×     1584×   1584×   773× 773× 10596×   773× 773×     1584× 1478× 758× 55×   758×   720×   106× 53× 53×   21× 32×   32×       53× 53× 21× 21×   21× 21× 21× 21× 21×   32× 32× 32×   32×                 1563×     843× 720×     2× 2× 2×       2×     1563×   56×           32× 32× 32×   32× 32× 32×   32×     1× 32×         1× 296×     1× 53×     1× 498× 6×     492×   492× 492×       1× 339×   339× 243×       243× 243×         1× 53× 53× 53× 53×     1× 94×     1× 94×     1× 94× 94× 94×     1× 53×     1× 51×     1× 53×     1×  </td><td class="text"><pre class="prettyprint lang-js">/* jshint -W058 */ const bodec = require("bodec"); const Stream = require("bufferedstream"); const Message = require("../Message"); const R = require("ramda");   // This parser is modified from the one in the node-formidable // project, written by Felix Geisendörfer. MIT licensed.   let s = 0; const S = { START: s++, START_BOUNDARY: s++, HEADER_FIELD_START: s++, HEADER_FIELD: s++, HEADER_VALUE_START: s++, HEADER_VALUE: s++, HEADER_VALUE_ALMOST_DONE: s++, HEADERS_ALMOST_DONE: s++, PART_DATA_START: s++, PART_DATA: s++, PART_END: s++, END: s++ };   let f = 1; const F = { PART_BOUNDARY: f, LAST_BOUNDARY: f *= 2 };   const LF = 10; const CR = 13; const SPACE = 32; const HYPHEN = 45; const COLON = 58;   function Parser(boundary, partHandler) { this.boundary = bodec.fromRaw(`\r\n--${boundary}`); this.lookBehind = bodec.create(this.boundary.length + 8); this.boundaryChars = {};   let i = this.boundary.length; while (i) { this.boundaryChars[this.boundary[--i]] = true; }   this.state = S.START; this.index = null; this.flags = 0;   Iif (!R.is(Function, partHandler)) { throw new Error("multipart.Parser needs a part handler"); }   this.onPart = partHandler; }   Parser.prototype.execute = function (chunk) { let chunkLength = chunk.length, prevIndex = this.index, index = this.index, state = this.state, flags = this.flags, lookBehind = this.lookBehind, boundary = this.boundary, boundaryChars = this.boundaryChars, boundaryLength = boundary.length, boundaryEnd = boundaryLength - 1, c, cl;   for (let i = 0; i < chunkLength; ++i) { c = chunk[i];   switch (state) { case S.START: index = 0; state = S.START_BOUNDARY; /* falls through */ case S.START_BOUNDARY: if (index === boundaryLength - 2) { Iif (c !== CR) { return i; } index++; break; } else if (index === boundaryLength - 1) { Iif (c !== LF) { return i; } index = 0; this._callback("partBegin"); state = S.HEADER_FIELD_START; break; }   Iif (c !== boundary[index + 2]) { return i; } index++; break; case S.HEADER_FIELD_START: state = S.HEADER_FIELD; this._mark("headerName", i); index = 0; /* falls through */ case S.HEADER_FIELD: if (c === CR) { this._clear("headerName"); state = S.HEADERS_ALMOST_DONE; break; }   index++; if (c === HYPHEN) { break; }   if (c === COLON) { Iif (index === 1) { // empty header field return i; } this._dataCallback("headerName", chunk, true, i); state = S.HEADER_VALUE_START; break; }   cl = c | 0x20; // lower-case Iif (cl < 97 || cl > 122) { // not between "a" and "z" return i; } break; case S.HEADER_VALUE_START: if (c === SPACE) { break; } this._mark("headerValue", i); state = S.HEADER_VALUE; /* falls through */ case S.HEADER_VALUE: if (c === CR) { this._dataCallback("headerValue", chunk, true, i); this._callback("headerEnd"); state = S.HEADER_VALUE_ALMOST_DONE; } break; case S.HEADER_VALUE_ALMOST_DONE: Iif (c !== LF) { return i; } state = S.HEADER_FIELD_START; break; case S.HEADERS_ALMOST_DONE: Iif (c !== LF) { return i; } this._callback("headersEnd"); state = S.PART_DATA_START; break; case S.PART_DATA_START: state = S.PART_DATA; this._mark("partData", i); /* falls through */ case S.PART_DATA: prevIndex = index;   if (index === 0) { // boyer-moore derrived algorithm to safely skip non-boundary data i += boundaryEnd; while (i < chunkLength && !(chunk[i] in boundaryChars)) { i += boundaryLength; } i -= boundaryEnd; c = chunk[i]; }   if (index < boundaryLength) { if (boundary[index] === c) { if (index === 0) { this._dataCallback("partData", chunk, true, i); } index++; } else { index = 0; } } else if (index === boundaryLength) { index++; if (c === CR) { // CR = part boundary flags |= F.PART_BOUNDARY; } else Eif (c === HYPHEN) { // HYPHEN = end boundary flags |= F.LAST_BOUNDARY; } else { index = 0; } } else Eif (index - 1 === boundaryLength) { if (flags & F.PART_BOUNDARY) { index = 0; Eif (c === LF) { // unset the PART_BOUNDARY flag flags &= ~F.PART_BOUNDARY; this._callback("partEnd"); this._callback("partBegin"); state = S.HEADER_FIELD_START; break; } } else Eif (flags & F.LAST_BOUNDARY) { Eif (c === HYPHEN) { this._callback("partEnd"); // this._callback('end'); state = S.END; } else { index = 0; } } else { index = 0; } }   if (index > 0) { // when matching a possible boundary, keep a lookBehind // reference in case it turns out to be a false lead lookBehind[index - 1] = c; } else if (prevIndex > 0) { // if our boundary turned out to be rubbish, the captured // lookBehind belongs to partData this._callback("partData", lookBehind, 0, prevIndex); prevIndex = 0; this._mark("partData", i);   // reconsider the current character even so it interrupted the // sequence it could be the beginning of a new sequence i--; }   break; case S.END: break; default: return i; } }   this._dataCallback("headerName", chunk); this._dataCallback("headerValue", chunk); this._dataCallback("partData", chunk);   this.index = index; this.state = state; this.flags = flags;   return chunkLength; };   Parser.prototype.finish = function () { Iif (this.state !== S.END) { throw new Error(`Stream ended unexpectedly (state: ${this.state})`); } };   Parser.prototype._mark = function (name, i) { this[`${name}Mark`] = i; };   Parser.prototype._clear = function (name) { delete this[`${name}Mark`]; };   Parser.prototype._callback = function (name, chunk, start, end) { if (start !== undefined && start === end) { return; }   const prop = `on${name.substr(0, 1).toUpperCase()}${name.substr(1)}`;   Eif (prop in this) { this[prop](chunk, start, end); } };   Parser.prototype._dataCallback = function (name, chunk, clear, i) { const prop = `${name}Mark`;   if (prop in this) { Iif (!clear) { this._callback(name, chunk, this[prop], chunk.length); this[prop] = 0; } else { this._callback(name, chunk, this[prop], i); delete this[prop]; } } };   Parser.prototype.onPartBegin = function () { this._stream = new Stream; this._part = new Message(this._stream); this._headerName = ""; this._headerValue = ""; };   Parser.prototype.onHeaderName = function (chunk, start, end) { this._headerName += bodec.toUnicode(chunk, start, end); };   Parser.prototype.onHeaderValue = function (chunk, start, end) { this._headerValue += bodec.toUnicode(chunk, start, end); };   Parser.prototype.onHeaderEnd = function () { this._part.setHeader(this._headerName, this._headerValue); this._headerName = ""; this._headerValue = ""; };   Parser.prototype.onHeadersEnd = function () { this.onPart(this._part); };   Parser.prototype.onPartData = function (chunk, start, end) { this._stream.write(bodec.slice(chunk, start, end)); };   Parser.prototype.onPartEnd = function () { this._stream.end(); };   module.exports = Parser;  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Wed Jul 06 2016 20:37:18 GMT-0500 (CDT) </div> </div> <script src="../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); 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