mirror of
https://github.com/kiwix/kiwix-js.git
synced 2025-09-22 12:01:15 -04:00
Implement multiple archive files
Add GPL v3 License header
This commit is contained in:
mossroy
parent
2701f47a87
commit
48ce203088
@ -1,5 +1,29 @@
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<?xml version="1.0" encoding="utf-8" ?>
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<!DOCTYPE html>
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<!--
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Port of Evopedia (offline wikipedia reader) in HTML5/Javascript, with Firefox OS as the primary target
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The original application is at http://www.evopedia.info/
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It uses wikipedia dumps located at http://dumpathome.evopedia.info/dumps/finished
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Author : Mossroy - mossroy@free.fr
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License:
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with this program; if not, see
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<http://www.gnu.org/licenses/>.
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-->
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<html>
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<head>
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<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" />
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@ -11,23 +35,25 @@
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<h1>Evopedia</h1>
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<br/>
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<div id="openLocalFiles" style="visibility:hidden">
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Please pick the file titles.idx from the wikipedia_small_2010-08-14 dump :<br/>
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Please pick the file titles.idx :<br/>
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<input type="file" id="titleFile"/><br/>
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Please pick the file wikipedia_00.dat from the same dump :<br/>
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<input type="file" id="dataFile"/>
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Please pick the files wikipedia_*.dat from the same dump :<br/>
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<input type="file" id="dataFiles" multiple="true"/>
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</div>
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<br/>
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<input type="button" id="readTitle" value="Read title list from index" onclick="readAllTitlesFromIndex(titleFile)" />
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<br/>
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Choose a title : <select id="titleList" onchange="updateOffsetsFromTitle(this.value)"></select>
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<br/>
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File number : <input type="text" id="filenumber" value="0" />
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<br/>
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Blockstart : <input type="text" id="blockstart" value="0" />
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<br/>
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Blockoffset : <input type="text" id="blockoffset" value="0" />
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<br/>
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Length : <input type="text" id="length" value="8866" />
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<br/>
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<input type="button" id="readData" value="Read article from dump" onclick="readArticleFromHtmlForm(dataFile)" />
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<input type="button" id="readData" value="Read article from dump" onclick="readArticleFromHtmlForm(dataFiles)" />
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<br/>
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<div id="articleContent"> </div>
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<hr/>
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@ -1,5 +1,28 @@
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/*
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Port of Evopedia (offline wikipedia reader) in HTML5/Javascript, with Firefox OS as the primary target
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The original application is at http://www.evopedia.info/
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It uses wikipedia dumps located at http://dumpathome.evopedia.info/dumps/finished
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var dataFile=document.getElementById('dataFile').files[0];
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Author : Mossroy - mossroy@free.fr
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License:
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with this program; if not, see
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<http://www.gnu.org/licenses/>.
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*/
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var dataFiles=document.getElementById('dataFiles').files;
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var titleFile=document.getElementById('titleFile').files[0];
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var storage = navigator.getDeviceStorage('music');
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@ -8,15 +31,15 @@ var storage = navigator.getDeviceStorage('music');
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if (!storage) {
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//alert("no device storage available");
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document.getElementById('openLocalFiles').style.visibility="visible";
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document.getElementById('dataFile').addEventListener('change', handleDataFileSelect, false);
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document.getElementById('dataFiles').addEventListener('change', handleDataFileSelect, false);
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document.getElementById('titleFile').addEventListener('change', handleTitleFileSelect, false);
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}
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else {
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var filerequest = storage.get('wikipedia_small_2010-08-14/wikipedia_00.dat');
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//alert(filerequest);
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filerequest.onsuccess = function() {
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dataFile = filerequest.result;
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//alert(dataFile);
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dataFiles[0] = filerequest.result;
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//alert(dataFiles);
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filerequest = storage.get('wikipedia_small_2010-08-14/titles.idx');
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filerequest.onsuccess = function() {
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titleFile = filerequest.result;
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@ -34,6 +57,7 @@ else {
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function updateOffsetsFromTitle(selectValue) {
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var offsets=selectValue.split(/\|/);
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document.getElementById("filenumber").value=offsets[0];
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document.getElementById("blockstart").value=offsets[1];
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document.getElementById("blockoffset").value=offsets[2];
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document.getElementById("length").value=offsets[3];
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@ -99,29 +123,16 @@ function readAllTitlesFromIndex(titleFile) {
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blockoffset = readIntegerFrom4Bytes(byteArray,i+7);
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length = readIntegerFrom4Bytes(byteArray,i+11);
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var newLineIndex = i+15;
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/*
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var buf = new ArrayBuffer();
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var bufView = new Uint16Array(buf);
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var j=0;
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while (byteArray[newLineIndex]!=128) {
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bufView[j] = byteArray[newLineIndex];
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j++
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newLineIndex++;
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}
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title = String.fromCharCode(bufView);
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*/
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while (newLineIndex<byteArray.length && byteArray[newLineIndex]!=128) {
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newLineIndex++;
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}
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/*
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for (var j=i+15;j<newLineIndex;j++) {
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title += String.fromCharCode(byteArray[j]);
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}
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*/
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// TODO : Read the title properly with UTF-8 encoding
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title = utf8ByteArrayToString(byteArray,i+15,newLineIndex);
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comboTitleList.options[titleNumber] = new Option (title, filenumber+"|"+blockstart+"|"+blockoffset+"|"+length);
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if (title) {
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comboTitleList.options[titleNumber] = new Option (title, filenumber+"|"+blockstart+"|"+blockoffset+"|"+length);
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}
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titleNumber++;
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i=newLineIndex-1;
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}
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@ -129,7 +140,7 @@ function readAllTitlesFromIndex(titleFile) {
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var blob = titleFile;
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// Read in the image file as a binary string.
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// Read in the image file as a binary string
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reader.readAsArrayBuffer(blob);
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}
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else {
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@ -137,15 +148,40 @@ function readAllTitlesFromIndex(titleFile) {
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}
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}
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function readArticleFromHtmlForm(dataFile) {
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if (dataFile) {
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function readArticleFromHtmlForm(dataFiles) {
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if (dataFiles && dataFiles.length>0) {
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var filenumber = document.getElementById('filenumber').value;
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var blockstart = document.getElementById('blockstart').value;
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var blockoffset = document.getElementById('blockoffset').value;
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var length = document.getElementById('length').value;
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var dataFile;
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for (var i=0; i<dataFiles.length; i++) {
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var fileName = dataFiles[i].name;
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var prefixedFileNumber = "";
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if (filenumber<10) {
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prefixedFileNumber = "0"+filenumber;
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}
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else {
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prefixedFileNumber = filenumber;
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}
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var expectedFileName = "wikipedia_"+prefixedFileNumber+".dat";
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if (expectedFileName == fileName) {
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dataFile = dataFiles[i];
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}
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}
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if (!dataFile) {
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if (filenumber==255) {
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// TODO : handle redirects (filenumber==255)
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alert("Redirects not implemented yet");
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}
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else {
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alert("File number " + filenumber + " not found");
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}
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}
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readArticleFromOffset(dataFile, blockstart, blockoffset, length);
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}
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else {
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alert("Data file not set");
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alert("Data files not set");
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}
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}
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@ -203,7 +239,7 @@ function errorHandler(evt) {
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}
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function handleDataFileSelect(evt) {
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dataFile = evt.target.files[0];
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dataFiles = evt.target.files;
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}
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function handleTitleFileSelect(evt) {
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