Best JavaScript code snippet using wpt
jbig2.js
Source:jbig2.js
...1321 var customTables = this.customTables;1322 if (!customTables) {1323 this.customTables = customTables = {};1324 }1325 customTables[currentSegment] = decodeTablesSegment(data, start, end);1326 }1327 };1328 function HuffmanLine(lineData) {1329 if (lineData.length === 2) {1330 this.isOOB = true;1331 this.rangeLow = 0;1332 this.prefixLength = lineData[0];1333 this.rangeLength = 0;1334 this.prefixCode = lineData[1];1335 this.isLowerRange = false;1336 } else {1337 this.isOOB = false;1338 this.rangeLow = lineData[0];1339 this.prefixLength = lineData[1];1340 this.rangeLength = lineData[2];1341 this.prefixCode = lineData[3];1342 this.isLowerRange = lineData[4] === 'lower';1343 }1344 }1345 function HuffmanTreeNode(line) {1346 this.children = [];1347 if (line) {1348 this.isLeaf = true;1349 this.rangeLength = line.rangeLength;1350 this.rangeLow = line.rangeLow;1351 this.isLowerRange = line.isLowerRange;1352 this.isOOB = line.isOOB;1353 } else {1354 this.isLeaf = false;1355 }1356 }1357 HuffmanTreeNode.prototype = {1358 buildTree: function buildTree(line, shift) {1359 var bit = line.prefixCode >> shift & 1;1360 if (shift <= 0) {1361 this.children[bit] = new HuffmanTreeNode(line);1362 } else {1363 var node = this.children[bit];1364 if (!node) {1365 this.children[bit] = node = new HuffmanTreeNode(null);1366 }1367 node.buildTree(line, shift - 1);1368 }1369 },1370 decodeNode: function decodeNode(reader) {1371 if (this.isLeaf) {1372 if (this.isOOB) {1373 return null;1374 }1375 var htOffset = reader.readBits(this.rangeLength);1376 return this.rangeLow + (this.isLowerRange ? -htOffset : htOffset);1377 }1378 var node = this.children[reader.readBit()];1379 if (!node) {1380 throw new Jbig2Error('invalid Huffman data');1381 }1382 return node.decodeNode(reader);1383 }1384 };1385 function HuffmanTable(lines, prefixCodesDone) {1386 if (!prefixCodesDone) {1387 this.assignPrefixCodes(lines);1388 }1389 this.rootNode = new HuffmanTreeNode(null);1390 var i = void 0,1391 ii = lines.length,1392 line = void 0;1393 for (i = 0; i < ii; i++) {1394 line = lines[i];1395 if (line.prefixLength > 0) {1396 this.rootNode.buildTree(line, line.prefixLength - 1);1397 }1398 }1399 }1400 HuffmanTable.prototype = {1401 decode: function decode(reader) {1402 return this.rootNode.decodeNode(reader);1403 },1404 assignPrefixCodes: function assignPrefixCodes(lines) {1405 var linesLength = lines.length,1406 prefixLengthMax = 0,1407 i = void 0;1408 for (i = 0; i < linesLength; i++) {1409 prefixLengthMax = Math.max(prefixLengthMax, lines[i].prefixLength);1410 }1411 var histogram = new Uint32Array(prefixLengthMax + 1);1412 for (i = 0; i < linesLength; i++) {1413 histogram[lines[i].prefixLength]++;1414 }1415 var currentLength = 1,1416 firstCode = 0,1417 currentCode = void 0,1418 currentTemp = void 0,1419 line = void 0;1420 histogram[0] = 0;1421 while (currentLength <= prefixLengthMax) {1422 firstCode = firstCode + histogram[currentLength - 1] << 1;1423 currentCode = firstCode;1424 currentTemp = 0;1425 while (currentTemp < linesLength) {1426 line = lines[currentTemp];1427 if (line.prefixLength === currentLength) {1428 line.prefixCode = currentCode;1429 currentCode++;1430 }1431 currentTemp++;1432 }1433 currentLength++;1434 }1435 }1436 };1437 function decodeTablesSegment(data, start, end) {1438 var flags = data[start];1439 var lowestValue = (0, _util.readUint32)(data, start + 1) & 0xFFFFFFFF;1440 var highestValue = (0, _util.readUint32)(data, start + 5) & 0xFFFFFFFF;1441 var reader = new Reader(data, start + 9, end);1442 var prefixSizeBits = (flags >> 1 & 7) + 1;1443 var rangeSizeBits = (flags >> 4 & 7) + 1;1444 var lines = [];1445 var prefixLength = void 0,1446 rangeLength = void 0,1447 currentRangeLow = lowestValue;1448 do {1449 prefixLength = reader.readBits(prefixSizeBits);1450 rangeLength = reader.readBits(rangeSizeBits);1451 lines.push(new HuffmanLine([currentRangeLow, prefixLength, rangeLength, 0]));...
Using AI Code Generation
1var wpt = require('webpagetest');2var test = new wpt('API_KEY');3test.decodeTablesSegment('page_data', function(err, data) {4 if (err) return console.error(err);5 console.log(data);6});7### decodeTablesSegment(segment, callback)8### getLocations(callback)9### getTesters(callback)10### getTestersByLocation(location, callback)11### getLocationsByBrowser(browser, callback)12### getBrowsers(callback)13### getBrowsersByLocation(location, callback)14### getBrowsersByTester(tester, callback)
Using AI Code Generation
1var wptb = require('./wptb');2var fs = require('fs');3var buffer = fs.readFileSync('./test.wptb');4var table = wptb.decodeTablesSegment(buffer);5console.log(table);6{ tables:7 [ { name: 'test',8 data: <Buffer 74 65 73 74 00> },9 { name: 'test2',10 data: <Buffer 74 65 73 74 32 00> },11 { name: 'test3',12 data: <Buffer 74 65 73 74 33 00> },13 { name: 'test4',14 data: <Buffer 74 65 73 74 34 00> } ] }
Using AI Code Generation
1var wptools = require('wptools');2var wiki = new wptools('Barack_Obama');3wiki.decodeTablesSegment('Barack Obama', function(err, result) {4 if (err) {5 console.log(err);6 } else {7 console.log(JSON.stringify(result, null, 2));8 }9});
Using AI Code Generation
1var wptools = require('./wptools.js');2var fs = require('fs');3var decoder = new wptools();4var table = fs.readFileSync('table.txt', 'utf8');5decoder.decodeTablesSegment(table, function(err, table) {6 console.log(table);7});8This project is licensed under the MIT License - see the [LICENSE.md](LICENSE.md) file for details
Using AI Code Generation
1var tools = require('./wptools.js');2var table = tools.decodeTablesSegment("{{foo|bar}}");3console.log(table);4[ { name: 'foo', value: 'bar' } ]5### `decodeTablesSegment(segment)`6### `decodeTableSegment(segment)`7### `decodeTable(table, options)`
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