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How to use skipBytes method in wpt

Best JavaScript code snippet using wpt

ReadStreamTokenizer.js

Source:ReadStreamTokenizer.js

1"use strict";2Object.defineProperty(exports, "__esModule", { value: true });3exports.ReadStreamTokenizer = void 0;4const AbstractTokenizer_1 = require("./AbstractTokenizer");5const peek_readable_1 = require("peek-readable");6const maxBufferSize = 256000;7class ReadStreamTokenizer extends AbstractTokenizer_1.AbstractTokenizer {8    constructor(stream, fileInfo) {9        super(fileInfo);10        this.streamReader = new peek_readable_1.StreamReader(stream);11    }12    /**13     * Get file information, an HTTP-client may implement this doing a HEAD request14     * @return Promise with file information15     */16    async getFileInfo() {17        return this.fileInfo;18    }19    /**20     * Read buffer from tokenizer21     * @param uint8Array - Target Uint8Array to fill with data read from the tokenizer-stream22     * @param options - Read behaviour options23     * @returns Promise with number of bytes read24     */25    async readBuffer(uint8Array, options) {26        const normOptions = this.normalizeOptions(uint8Array, options);27        const skipBytes = normOptions.position - this.position;28        if (skipBytes > 0) {29            await this.ignore(skipBytes);30            return this.readBuffer(uint8Array, options);31        }32        else if (skipBytes < 0) {33            throw new Error('`options.position` must be equal or greater than `tokenizer.position`');34        }35        if (normOptions.length === 0) {36            return 0;37        }38        const bytesRead = await this.streamReader.read(uint8Array, normOptions.offset, normOptions.length);39        this.position += bytesRead;40        if ((!options || !options.mayBeLess) && bytesRead < normOptions.length) {41            throw new peek_readable_1.EndOfStreamError();42        }43        return bytesRead;44    }45    /**46     * Peek (read ahead) buffer from tokenizer47     * @param uint8Array - Uint8Array (or Buffer) to write data to48     * @param options - Read behaviour options49     * @returns Promise with number of bytes peeked50     */51    async peekBuffer(uint8Array, options) {52        const normOptions = this.normalizeOptions(uint8Array, options);53        let bytesRead = 0;54        if (normOptions.position) {55            const skipBytes = normOptions.position - this.position;56            if (skipBytes > 0) {57                const skipBuffer = new Uint8Array(normOptions.length + skipBytes);58                bytesRead = await this.peekBuffer(skipBuffer, { mayBeLess: normOptions.mayBeLess });59                uint8Array.set(skipBuffer.subarray(skipBytes), normOptions.offset);60                return bytesRead - skipBytes;61            }62            else if (skipBytes < 0) {63                throw new Error('Cannot peek from a negative offset in a stream');64            }65        }66        if (normOptions.length > 0) {67            try {68                bytesRead = await this.streamReader.peek(uint8Array, normOptions.offset, normOptions.length);69            }70            catch (err) {71                if (options && options.mayBeLess && err instanceof peek_readable_1.EndOfStreamError) {72                    return 0;73                }74                throw err;75            }76            if ((!normOptions.mayBeLess) && bytesRead < normOptions.length) {77                throw new peek_readable_1.EndOfStreamError();78            }79        }80        return bytesRead;81    }82    async ignore(length) {83        // debug(`ignore ${this.position}...${this.position + length - 1}`);84        const bufSize = Math.min(maxBufferSize, length);85        const buf = new Uint8Array(bufSize);86        let totBytesRead = 0;87        while (totBytesRead < length) {88            const remaining = length - totBytesRead;89            const bytesRead = await this.readBuffer(buf, { length: Math.min(bufSize, remaining) });90            if (bytesRead < 0) {91                return bytesRead;92            }93            totBytesRead += bytesRead;94        }95        return totBytesRead;96    }97}...

saveParser.js

Source:saveParser.js

...17  return nb;18}19parseSaveFile = (data) => {20  var fileFormat = read(data, 4);21  skipBytes(data, 20);22  var version = read(data, 8);23  if (fileFormat != "BND4" || version != "00000001") {24    console.warn("This probably isn't a Dark Souls' save file");25    g_idx = 0;26    return [];27  }28  skipBytes(data, 32);29  offsets = [];30  for (var i = 0; i < 10; ++i) {31    skipBytes(data, 16);32    offsets.push(readIntLe(data, 4));33    skipBytes(data, 12);34  }35  return getPlayersSave(data, offsets);36}37getPlayersSave = (data, offsets) => {38  players = [];39  for (var offset of offsets) {40    var player = {'name':''};41    g_idx = offset + 232;42    player.level = readIntLe(data, 4);43    skipBytes(data, 20);44    for (var i = 0; i < 28; ++i) {45      var c = read(data, 1);46      skipBytes(data, 1);47      if (c.charCodeAt(0) == 0)48        break;49      player.name += c;50    }51    g_idx = offset + 724;52    if (player.level > 0) {53      skipBytes(data, 12);54      player.items = [];55      while (g_idx < offset + 0xe2c4) {56        var item = {};57        item.type = readIntLe(data, 4);58        item.id = readIntLe(data, 4);59        item.amount = readIntLe(data, 4);60        skipBytes(data, 4);61        var have = readIntLe(data, 4);62        skipBytes(data, 8);63        if (have) {64          if (item.type == 0 && item.id != 900000) {65            item.id = Math.floor(item.id / 1000) * 1000;66            if (item.id < 2000000 || item.id >= 9000000) {67              item.type = 'weapon';68              if (item.id == 312000 || item.id == 315000 || item.id == 857000 || item.id == 1053000 || item.id == 1331000 || item.id == 9013000)69                item.id -= 1000;70              else if (item.id == 1054000)71                item.id = 1051000;72              else if (item.id >= 1411000 && item.id <= 1414000)73                item.id = 1411000;74              else if (item.id >= 1507000 && item.id <= 1510000)75                item.id = 1507000;76            }...

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var wp = new wptools();4var file = fs.createReadStream('test.txt');5file.pipe(wp);6wp.skipBytes(5);7wp.on('data', function(data) {8  console.log(data);9});10var wptools = require('wptools');11var fs = require('fs');12var wp = new wptools();13var file = fs.createReadStream('test.txt');14file.pipe(wp);15wp.skipBytesFromEnd(5);16wp.on('data', function(data) {17  console.log(data);18});19var wptools = require('wptools');20var fs = require('fs');21var wp = new wptools();22var file = fs.createReadStream('test.txt');23file.pipe(wp);24wp.skipLines(2);25wp.on('data', function(data) {26  console.log(data);27});

Using AI Code Generation

1var wptools = require('wp-tools');2var fs = require('fs');3var input = fs.createReadStream('test.txt');4var output = fs.createWriteStream('output.txt');5var reader = new wptools.WpReader(input);6reader.skipBytes(100000);7reader.pipe(output);8var data = [{a: 1, b: 2}, {a: 5, b: 6}, {a: 3, b: 4}];9data.sort(function(a, b) {10    return a.a - b.a;11});12console.log(data);13var str = "Hello World";14console.log(str.length);15var str = "Hello World";16str = str.substr(0, str.length - 1);17console.log(str);18var date = new Date();19console.log(date);20But I am getting the output as: Fri Dec 30 2016 13:17:52 GMT+0530 (India Standard

Using AI Code Generation

1var wptools = require('wp-tools');2var fs = require('fs');3var file = fs.createReadStream('test.pdf');4var pdf = new wptools.PDF(file);5pdf.skipBytes(4, function(err, buffer) {6    if (err) {7        return console.error(err);8    }9    console.log(buffer.toString('hex'));10});

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var file = fs.createWriteStream('file.txt');4data.get(function(err, response) {5  if (err) {6    console.log(err);7    return;8  }9  file.write(response.skipBytes(1000));10});

Using AI Code Generation

1var wptools = require('wptools');2var wp = new wptools.Page('wikipedia', 'en', 'Wikipedia');3wp.get(function(err, data) {4  if (err) {5    console.log(err);6  } else {7    var img = data.images[0];8    var url = data.imageinfo[img].url;9    var size = data.imageinfo[img].size;10    var skip = 100;11    var length = size - skip;12    var options = {13    };14    wp.skipBytes(options, function(err, data) {15      if (err) {16        console.log(err);17      } else {18        console.log(data);19      }20    });21  }22});23var wptools = require('wptools');24var wp = new wptools.Page('wikipedia', 'en', 'Wikipedia');25wp.get(function(err, data) {26  if (err) {27    console.log(err);28  } else {29    var img = data.images[0];30    var url = data.imageinfo[img].url;31    var skip = 0;32    var length = 2;33    var options = {34    };35    wp.skipBytes(options, function(err, data) {36      if (err) {37        console.log(err);38      } else {39        var bytes = data.toString('hex');40        if (bytes === 'ffd8') {41          console.log('Valid JPEG');42        } else {43          console.log('Not a valid JPEG');44        }45      }46    });47  }48});

Using AI Code Generation

1var wptStream = require("wpt-stream");2var stream = new wptStream();3var buffer = new Buffer(100);4buffer.fill(0);5stream.write(buffer);6stream.skipBytes(10);

Using AI Code Generation

1var wptools = require('wptools');2var wpt = new wptools();3var rs = new ReadableStream();4var ws = new WritableStream();5var ds = new DuplexStream();6var ts = new TransformStream();7var ps = new PassThroughStream();8var s = new Stream();9var b = new Buffer();10var ee = new EventEmitter();11var r = new Readable();12var w = new Writable();13var d = new Duplex();14var t = new Transform();15var p = new PassThrough();16var rs = new ReadableState();17var ws = new WritableState();18var ds = new DuplexState();19var ts = new TransformState();20var ps = new PassThroughState();21var ss = new StreamState();22var bs = new BufferState();23var ees = new EventEmitterState();24var rs = new ReadableState();25var ws = new WritableState();26var ds = new DuplexState();27var ts = new TransformState();28var ps = new PassThroughState();29var ss = new StreamState();30var bs = n;wBufferState()

Using AI Code Generation

1var wptools = require('wptools');2var wpt = new wptools();3var rs = new ReadableStream();4var ws = new WritableStream();5var ds = new DuplexStream();6var ts = new TransformStream();7var ps = new PassThroughStream();8var s = new Stream();9var b = new Buffer();10var ee = new EventEmitter();

Using AI Code Generation

1varvwptoolsa=r eq iRe('wptooes');dable();2varfs=require('fs');310000);4w.ge(resp5d = new Duplex();6var p = new PassThrough();

Using AI Code Generation

1tableState();2var file = new DuplexStFil()'test.txt;);3fle.o(r);4fle.sByts(55va/=/fcle.read(5);6rile.closeaa;7mState();8vatSwptools=vrnquiee('wp-ts'9var/file/=cn w wptooa .Filn('eadttex;');10ile.skipB(5;11var/data/=cfiinsreoW(5eState12file.cwo W();tableState();13file.open('');14var wp = new wptools();15file.on('open', function(fd) {16  var bytes = wp.skipByte-s(file, buf, 5);17  con(ly.Filesttxt');18var daa = l.ad(5;19pen', function(fd) {20var buf = nedata       if (err) {21            console.log(err);22varptos=q  r('-');23    });24v;h file====wwpool.Fle('te.x');25file.pn('r');26fil.(5);27vara=le.ad(5);28il.cos();29collog(daa);30varwtol=rqui('w-tol');31varie=wptols.Fie('32var file = fs.createReadStream('test.txt');33file.on('open', function(fd) {34  var buf = new Buffer(5);35  var bytes = wp.skipBytes(file, buf, 5);36  console.log(bytes);37});38I'm not sure what you mean by "when I run the code it doesn't do anything". If you are expecting to see the output of the console.log() statement, then you are not seeing the output because you are not waiting for the file to be opened first. You need to do something like this:39file.on('open', function(fd) {40    var buf = new Buffer(5);41    var bytes = wp.skipBytes(file, buf, 5, function (err, bytes) {42        if (err) {43            console.log(err);44        } else {45            console.log(bytes);46        }47    });48});49The callback function is optional, but if you don't provide it, then the skipBytes() method will return undefined. You are also not checking the value of the 'err' parameter in your callback function, so you are not seeing any errors.ar options = {50    };51    wp.skipBytes(options, function(err, data) {52      if (err) {53        console.log(err);54      } else {55        console.log(data);56      }57    });58  }59});60var wptools = require('wptools');61var wp = new wptools.Page('wikipedia', 'en', 'Wikipedia');62wp.get(function(err, data) {63  if (err) {64    console.log(err);65  } else {66    var img = data.images[0];67    var url = data.imageinfo[img].url;68    var skip = 0;69    var length = 2;70    var options = {71    };72    wp.skipBytes(options, function(err, data) {73      if (err) {74        console.log(err);75      } else {76        var bytes = data.toString('hex');77        if (bytes === 'ffd8') {78          console.log('Valid JPEG');79        } else {80          console.log('Not a valid JPEG');81        }82      }83    });84  }85});

Using AI Code Generation

1var wptStream = require("wpt-stream");2var stream = new wptStream();3var buffer = new Buffer(100);4buffer.fill(0);5stream.write(buffer);6stream.skipBytes(10);

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3wp.skipBytes(10000);4wp.get(function(err, resp) {5  if (err) {6    console.log(err);7  } else {8    console.log(resp);9  }10});

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