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search.js
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103 lines (95 loc) · 2.66 KB
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var searchIdCounter = 0;
function search(query, callback) {
var searchId = ++searchIdCounter;
var words = (literals[query] || []).slice();
limit = 10;
words.push(query);
if (query.length == 0) {
return;
}
var set = {};
var resultCount = 0;
results = [];
for (var i = 0; i < words.length; i++) {
resultCount++;
set[words[i]] = true;
var doc = documentStore[words[i]];
if (!doc) {
continue;
}
results.push(doc);
}
if (results.length === 0) {
var rafsiDecompositions = parseLujvo(query);
for (var i = 0; i < rafsiDecompositions.length; i++) {
var decomposition = rafsiDecompositions[i];
results.push({
type: 'unknown lujvo',
word: query,
rafsi: decomposition,
rafsiDocuments: decomposition.map(function(r){return rafsi[r] || documentStore[r]})
})
}
}
var greatMatches = [];
searchEngine.lookup(query, function(engineResults) {
if (!engineResults) {
callback(results);
return;
}
if (searchId !== searchIdCounter) {
return;
}
for (var i = 0; i < engineResults.getSize(); i++) {
var key = engineResults.getItem(i);
if (key in set) {
continue;
}
var doc = documentStore[key];
if (!doc) {
continue;
}
if (doc.word === query || (doc.type == 'gismu' && ((doc.rafsi || []).indexOf(query) != -1))) {
greatMatches.push(doc);
continue;
}
results.push(doc);
}
results = greatMatches.concat(results);
callback(results);
});
}
var searchEngine;
var progress;
function setupSearchEngine(callback, prgrss) {
progress = prgrss;
var dbName = "sutsis";
searchEngine = new fullproof.BooleanEngine();
var indexes = [{
name: "normalindex",
analyzer: new fullproof.StandardAnalyzer(
fullproof.normalizer.to_lowercase_nomark),
capabilities: new fullproof.Capabilities().setUseScores(
false).setDbName(dbName),
initializer: initializer
}];
searchEngine.open(indexes, fullproof.make_callback(callback, true), fullproof.make_callback(callback, false));
}
function initializer(injector, callback) {
var numTerms = objectSize(documentStore);
var synchro = fullproof.make_synchro_point(callback, numTerms);
var wordsArray = [];
var valuesArray = [];
for (var key in documentStore) {
var doc = documentStore[key];
var text = [doc.word, doc.type, doc.definition, doc.notes, doc.rafsi.join(' ')].join(' ');
wordsArray.push(text);
valuesArray.push(key);
}
injector.injectBulk(wordsArray, valuesArray, callback, progress);
}
function objectSize(obj) {
var i = 0;
for (var key in obj) i++;
return i;
}