/*----------------------------------------------------------------------------
* JavaScript for webhelp search
* updated by neodoc
*----------------------------------------------------------------------------
This file is part of the webhelpsearch plugin for DocBook WebHelp
Copyright (c) 2007-2008 NexWave Solutions All Rights Reserved.
www.nexwave.biz Nadege Quaine
http://kasunbg.blogspot.com/ Kasun Gajasinghe
*/
/* global txt_browser_not_supported, txt_enter_at_least_1_char, indexerLanguage, w, txt_results_for, fil, txt_no_results_for */
//string initialization
var htmlfileList = "htmlFileList.js";
var htmlfileinfoList = "htmlFileInfoList.js";
var useCJKTokenizing = false;
/* Cette fonction verifie la validite de la recherche entrre par l utilisateur */
function Verifie(ditaSearch_Form) {
// Check browser compatibitily
if (navigator.userAgent.indexOf("Konquerer") > -1) {
alert(txt_browser_not_supported);
return;
}
var expressionInput = document.ditaSearch_Form.textToSearch.value;
//Set a cookie to store the searched keywords
$.cookie('textToSearch', "");
if (expressionInput.length < 1) {
// expression is invalid
alert(txt_enter_at_least_1_char);
// reactive la fenetre de search (utile car cadres)
document.ditaSearch_Form.textToSearch.focus();
}
else {
// Effectuer la recherche
Effectuer_recherche(expressionInput);
// reactive la fenetre de search (utile car cadres)
document.ditaSearch_Form.textToSearch.focus();
}
}
var stemQueryMap = new Array(); // A hashtable which maps stems to query words
/* This function parses the search expression, loads the indices and displays the results*/
function Effectuer_recherche(expressionInput) {
var expressionInputMem = expressionInput ;
// â à ç ë é ê è ï î ô û ù
expressionInput = expressionInput.replace( /â/g , 'a');
expressionInput = expressionInput.replace( /à/g , 'a');
expressionInput = expressionInput.replace( /ç/g , 'c');
expressionInput = expressionInput.replace( /ë/g , 'e');
expressionInput = expressionInput.replace( /é/g , 'e');
expressionInput = expressionInput.replace( /è/g , 'e');
expressionInput = expressionInput.replace( /ê/g , 'e');
expressionInput = expressionInput.replace( /ï/g , 'i');
expressionInput = expressionInput.replace( /î/g , 'i');
expressionInput = expressionInput.replace( /ô/g , 'o');
expressionInput = expressionInput.replace( /û/g , 'u');
expressionInput = expressionInput.replace( /ù/g , 'u');
/* Display a waiting message */
//DisplayWaitingMessage();
/*data initialisation*/
var searchFor = ""; // expression en lowercase et sans les caracte res speciaux
//w = new Object(); // hashtable, key=word, value = list of the index of the html files
scriptLetterTab = new Scriptfirstchar(); // Array containing the first letter of each word to look for
var wordsList = new Array(); // Array with the words to look for
var finalWordsList = new Array(); // Array with the words to look for after removing spaces
var linkTab = new Array();
var fileAndWordList = new Array();
var txt_wordsnotfound = "";
/*nqu: expressionInput, la recherche est lower cased, plus remplacement des char speciaux*/
searchFor = expressionInput.toLowerCase().replace(/<\//g, "_st_").replace(/\$_/g, "_di_").replace(/\.|%2C|%3B|%21|%3A|@|\/|\*/g, " ").replace(/(%20)+/g, " ").replace(/_st_/g, "</").replace(/_di_/g, "%24_");
searchFor = searchFor.replace(/ +/g, " ");
searchFor = searchFor.replace(/ $/, "").replace(/^ /, "");
wordsList = searchFor.split(" ");
wordsList.sort();
//set the tokenizing method
if(typeof indexerLanguage !== "undefined" && (indexerLanguage==="zh" || indexerLanguage==="ja" ||indexerLanguage==="ko")){
useCJKTokenizing=true;
} else {
useCJKTokenizing=false;
}
//If Lucene CJKTokenizer was used as the indexer, then useCJKTokenizing will be true. Else, do normal tokenizing.
// 2-gram tokenizinghappens in CJKTokenizing,
if(useCJKTokenizing){
finalWordsList = cjkTokenize(wordsList);
} else {
finalWordsList = tokenize(wordsList);
}
//load the scripts with the indices: the following lines do not work on the server. To be corrected
/*if (IEBrowser) {
scriptsarray = loadTheIndexScripts (scriptLetterTab);
} */
/**
* Compare with the indexed words (in the w[] array), and push words that are in it to tempTab.
*/
$.cookie('textToSearch', expressionInputMem);
var tempTab = new Array();
// console.log("finalWordsList : " );
// console.log( finalWordsList);
for(let wordToSearch in finalWordsList){
var flagAdd = false;
for(let word in w){
var wordNew = "" ;
wordNew = word.replace( /â/ , 'a');
wordNew = wordNew.replace( /à/g , 'a');
wordNew = wordNew.replace( /ç/g , 'c');
wordNew = wordNew.replace( /ë/g , 'e');
wordNew = wordNew.replace( /é/g , 'e');
wordNew = wordNew.replace( /è/g , 'e');
wordNew = wordNew.replace( /ê/g , 'e');
wordNew = wordNew.replace( /ï/g , 'i');
wordNew = wordNew.replace( /î/g , 'i');
wordNew = wordNew.replace( /ô/g , 'o');
wordNew = wordNew.replace( /û/g , 'u');
wordNew = wordNew.replace( /ù/g , 'u');
if( wordNew.includes(finalWordsList[wordToSearch]) )
{
// console.log("word : "+word);
// console.log('word.includes("'+ finalWordsList[wordToSearch]+'")');
// console.log('tempTab');
// console.log(tempTab);
// var cookie = $.cookie('textToSearch')
// if (!cookie.includes(word) ){
// if (cookie.length==0)
// cookie = word;
// else
// cookie += " " + word;
// $.cookie('textToSearch', cookie);
// flagAdd = true;
// }
if (!tempTab.includes(word)){
tempTab.push(word.trim());
flagAdd = true;
}
}
}
if(!flagAdd)
txt_wordsnotfound += finalWordsList[wordToSearch] + " ";
}
// var tempTab = new Array();
// for (var t in finalWordsList) {
// if (w[finalWordsList[t].toString()] == undefined) {
// txt_wordsnotfound += finalWordsList[t] + " ";
// } else {
// tempTab.push(finalWordsList[t]);
// }
// }
finalWordsList = tempTab;
if (finalWordsList.length) {
//search 'and' and 'or' one time
fileAndWordList = SortResults(finalWordsList);
var cpt = fileAndWordList.length;
// console.log('finalWordsList : ');
// console.log(finalWordsList);
for (var i = cpt - 1; i >= 0; i--) {
if (fileAndWordList[i] !== undefined) {
linkTab.push("<p>" + txt_results_for + " " + "<span class=\"searchExpression\">" + fileAndWordList[i][0].motslisteDisplay + "</span>" + "</p>");
linkTab.push("<ul class='searchresult'>");
for (let t in fileAndWordList[i]) {
//DEBUG: alert(": "+ fileAndWordList[i][t].filenb+" " +fileAndWordList[i][t].motsliste);
//linkTab.push("<li><a href=\"../"+fl[fileAndWordList[i][t].filenb]+"\">"+fl[fileAndWordList[i][t].filenb]+"</a></li>");
var tempInfo = fil[fileAndWordList[i][t].filenb];
var pos1 = tempInfo.indexOf("@@@");
var pos2 = tempInfo.lastIndexOf("@@@");
var tempPath = tempInfo.substring(0, pos1);
var tempTitle = tempInfo.substring(pos1 + 3, pos2);
var tempShortdesc = tempInfo.substring(pos2 + 3, tempInfo.length);
//file:///home/kasun/docbook/WEBHELP/webhelp-draft-output-format-idea/src/main/resources/web/webhelp/installation.html
var linkString = "<li><a href=" + tempPath + " class='searchResultLink'>" + tempTitle + "</a>";
// var linkString = "<li><a href=\"installation.html\">" + tempTitle + "</a>";
if ((tempShortdesc !== "null")) {
linkString += "\n<div class=\"shortdesclink\">" + tempShortdesc + "</div>";
}
linkString += "</li>";
linkTab.push(linkString);
}
linkTab.push("</ul>");
}
}
}
var results = "";
if (linkTab.length > 0) {
/*writeln ("<p>" + txt_results_for + " " + "<span class=\"searchExpression\">" + cleanwordsList + "</span>" + "<br/>"+"</p>");*/
results = "<p>";
//write("<ul class='searchresult'>");
for (t in linkTab) {
results += linkTab[t].toString();
}
results += "</p>";
} else {
results = "<p>" + txt_no_results_for + "<span class=\"searchExpression\">" + txt_wordsnotfound + "</span>" + "</p>";
}
//alert(results);
document.getElementById('searchResults').innerHTML = results;
addHighligthToResults() ; //comes from nwSearchFnt.js
}
function tokenize(wordsList){
var stemmedWordsList = new Array(); // Array with the words to look for after removing spaces
var cleanwordsList = new Array(); // Array with the words to look for
for(var j in wordsList){
var word = wordsList[j];
if(typeof stemmer !== "undefined" ){
stemQueryMap[stemmer(word)] = word;
} else {
stemQueryMap[word] = word;
}
}
//stemmedWordsList is the stemmed list of words separated by spaces.
for (var t in wordsList) {
wordsList[t] = wordsList[t].replace(/(%22)|^-/g, "");
if (wordsList[t] !== "%20") {
scriptLetterTab.add(wordsList[t].charAt(0));
cleanwordsList.push(wordsList[t]);
}
}
if(typeof stemmer !== "undefined" ){
//Do the stemming using Porter's stemming algorithm
for (var i = 0; i < cleanwordsList.length; i++) {
var stemWord = stemmer(cleanwordsList[i]);
stemmedWordsList.push(stemWord);
}
} else {
stemmedWordsList = cleanwordsList;
}
return stemmedWordsList;
}
//Invoker of CJKTokenizer class methods.
function cjkTokenize(wordsList){
var allTokens= new Array();
var notCJKTokens= new Array();
var j=0;
for(j=0;j<wordsList.length;j++){
var word = wordsList[j];
if(getAvgAsciiValue(word) < 127){
notCJKTokens.push(word);
} else {
var tokenizer = new CJKTokenizer(word);
var tokensTmp = tokenizer.getAllTokens();
allTokens = allTokens.concat(tokensTmp);
}
}
allTokens = allTokens.concat(tokenize(notCJKTokens));
return allTokens;
}
//A simple way to determine whether the query is in english or not.
function getAvgAsciiValue(word){
var tmp = 0;
var num = word.length < 5 ? word.length:5;
for(var i=0;i<num;i++){
if(i===5) break;
tmp += word.charCodeAt(i);
}
return tmp/num;
}
//CJKTokenizer
function CJKTokenizer(input){
this.input = input;
this.offset=-1;
this.tokens = new Array();
this.incrementToken = incrementToken;
this.tokenize = tokenize;
this.getAllTokens = getAllTokens;
this.unique = unique;
function incrementToken(){
if(this.input.length - 2 <= this.offset){
// console.log("false "+offset);
return false;
}
else {
this.offset+=1;
return true;
}
}
function tokenize(){
//document.getElementById("content").innerHTML += x.substring(offset,offset+2)+"<br>";
return this.input.substring(this.offset,this.offset+2);
}
function getAllTokens(){
while(this.incrementToken()){
var tmp = this.tokenize();
this.tokens.push(tmp);
}
return this.unique(this.tokens);
// document.getElementById("content").innerHTML += tokens+" ";
// document.getElementById("content").innerHTML += "<br>dada"+sortedTokens+" ";
// console.log(tokens.length+"dsdsds");
/*for(i=0;i<tokens.length;i++){
console.log(tokens[i]);
var ss = tokens[i] == sortedTokens[i];
// document.getElementById("content").innerHTML += "<br>dada"+un[i]+"- "+stems[i]+" "+ ss;
document.getElementById("content").innerHTML += "<br>"+sortedTokens[i];
}*/
}
function unique(a)
{
var r = new Array();
o:for(var i = 0, n = a.length; i < n; i++)
{
for(var x = 0, y = r.length; x < y; x++)
{
if(r[x]===a[i]) continue o;
}
r[r.length] = a[i];
}
return r;
}
}
/* Scriptfirstchar: to gather the first letter of index js files to upload */
function Scriptfirstchar() {
this.strLetters = "";
this.add = addLettre;
}
function addLettre(caract) {
if (this.strLetters === 'undefined') {
this.strLetters = caract;
} else if (this.strLetters.indexOf(caract) < 0) {
this.strLetters += caract;
}
return 0;
}
/* end of scriptfirstchar */
/*main loader function*/
/*tab contains the first letters of each word looked for*/
function loadTheIndexScripts(tab) {
//alert (tab.strLetters);
var scriptsarray = new Array();
for (var i = 0; i < tab.strLetters.length; i++) {
scriptsarray[i] = "..\/search" + "\/" + tab.strLetters.charAt(i) + ".js";
}
// add the list of html files
i++;
scriptsarray[i] = "..\/search" + "\/" + htmlfileList;
//debug
for (var t in scriptsarray) {
//alert (scriptsarray[t]);
}
tab = new ScriptLoader();
for (t in scriptsarray) {
tab.add(scriptsarray[t]);
}
tab.load();
//alert ("scripts loaded");
return (scriptsarray);
}
/* ScriptLoader: to load the scripts and wait that it's finished */
function ScriptLoader() {
this.cpt = 0;
this.scriptTab = new Array();
this.add = addAScriptInTheList;
this.load = loadTheScripts;
this.onScriptLoaded = onScriptLoadedFunc;
}
function addAScriptInTheList(scriptPath) {
this.scriptTab.push(scriptPath);
}
function loadTheScripts() {
var script;
var head;
head = document.getElementsByTagName('head').item(0);
//script = document.createElement('script');
for (var el in this.scriptTab) {
//alert (el+this.scriptTab[el]);
script = document.createElement('script');
script.src = this.scriptTab[el];
script.type = 'text/javascript';
script.defer = false;
head.appendChild(script);
}
}
function onScriptLoadedFunc(e) {
e = e || window.event;
var target = e.target || e.srcElement;
var isComplete = true;
if (typeof target.readyState !== undefined) {
isComplete = (target.readyState === "complete" || target.readyState === "loaded");
}
if (isComplete) {
ScriptLoader.cpt++;
if (ScriptLoader.cpt === ScriptLoader.scripts.length) {
ScriptLoader.onLoadComplete();
}
}
}
/*
function onLoadComplete() {
alert("loaded !!");
} */
/* End of scriptloader functions */
// Array.unique( strict ) - Remove duplicate values
function unique(tab) {
var a = new Array();
var i;
var l = tab.length;
if (tab[0] !== undefined) {
a[0] = tab[0];
}
else {
return -1;
}
for (i = 1; i < l; i++) {
if (indexof(a, tab[i], 0) < 0) {
a.push(tab[i]);
}
}
return a;
}
function indexof(tab, element, begin) {
for (var i = begin; i < tab.length; i++) {
if (tab[i] === element) {
return i;
}
}
return -1;
}
/* end of Array functions */
/*
Param: mots= list of words to look for.
This function creates an hashtable:
- The key is the index of a html file which contains a word to look for.
- The value is the list of all words contained in the html file.
Return value: the hashtable fileAndWordList
*/
function SortResults(mots) {
var fileAndWordList = new Object();
if (mots.length === 0) {
return null;
}
mots.forEach( function( mot ) {
if (typeof mot === "string"){
// get the list of the indices of the files.
var listNumerosDesFicStr = w[ mot.toString() ];
if ( typeof listNumerosDesFicStr !== "undefined"){
var tab = listNumerosDesFicStr.split(",");
for (let t2 in tab) {
var temp = tab[t2].toString();
if (fileAndWordList[temp] === undefined) {
fileAndWordList[temp] = "" + mot;
} else {
fileAndWordList[temp] += "," + mot;
}
}}}
});
var fileAndWordListValuesOnly = new Array();
// sort results according to values
var temptab = new Array();
for (let t in fileAndWordList) {
tab = fileAndWordList[t].split(',');
var tempDisplay = new Array();
for (var x in tab) {
if(typeof stemQueryMap[tab[x]] !== "undefined"){
tempDisplay.push(stemQueryMap[tab[x]]); //get the original word from the stem word.
} else {
tempDisplay.push(tab[x]); //no stem is available. (probably a CJK language)
}
}
var tempDispString = tempDisplay.join(", ");
temptab.push(new resultPerFile(t, fileAndWordList[t], tab.length, tempDispString));
fileAndWordListValuesOnly.push(fileAndWordList[t]);
}
fileAndWordListValuesOnly = unique(fileAndWordListValuesOnly);
fileAndWordListValuesOnly = fileAndWordListValuesOnly.sort(compare_nbMots);
var listToOutput = new Array();
for (var j in fileAndWordListValuesOnly) {
for (t in temptab) {
if (temptab[t].motsliste === fileAndWordListValuesOnly[j]) {
if (typeof listToOutput[j] === "undefined") {
listToOutput[j] = new Array(temptab[t]);
} else {
listToOutput[j].push(temptab[t]);
}
}
}
}
return listToOutput;
}
function resultPerFile(filenb, motsliste, motsnb, motslisteDisplay) {
this.filenb = filenb;
this.motsliste = motsliste;
this.motsnb = motsnb;
this.motslisteDisplay= motslisteDisplay;
}
function compare_nbMots(s1, s2) {
var t1 = s1.split(',');
var t2 = s2.split(',');
//alert ("s1:"+t1.length + " " +t2.length)
if (t1.length === t2.length) {
return 0;
} else if (t1.length > t2.length) {
return 1;
} else {
return -1;
}
//return t1.length - t2.length);
}
document.onreadystatechange = (function(){
if (document.readyState === "complete") {
addHighligthToResults() ;
}
}) ;
function addHighligthToResults(){
var links = document.querySelectorAll('.searchResultLink');
if (links.length===0){return;}
for (var ilinks = 0; ilinks < links.length ;ilinks++ )
{
links[ilinks].addEventListener("click", function (event) {
event.preventDefault();
highlightCookie(this) ; }) ;
}
}
function highlightCookie(link){
var href = link.getAttribute("href");
var li = link.parentNode ;
var ul = li.parentNode ;
var p = ul.previousSibling ;
var span = p.querySelector('.searchExpression');
var wordList = span.innerHTML.replace(/,/g,'') ;
console.log('wordList: '+wordList);
document.cookie = 'highlight='+wordList;
window.location = href;
}