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Sphinxの全文検索を複合語に強くする
diff --git a/_build/html/_static/searchtools.js b/_build/html/_static/searchtools.js
index 3499624..6843d3b 100644
--- a/_build/html/_static/searchtools.js
+++ b/_build/html/_static/searchtools.js
@@ -81,7 +81,22 @@ var Search = {
},
setIndex : function(index) {
+ function objToSortArray(terms) {
+ var res = [];
+ for (var term in terms) {
+ res.push([term, terms[term]]);
+ }
+ res.sort(function(t1, t2) {
+ return (t1[0] > t2[0]) - (t1[0] < t2[0]);
+ });
+ return res;
+ }
+
var q;
+
+ index.terms = objToSortArray(index.terms);
+ index.titleterms = objToSortArray(index.titleterms);
+
this._index = index;
if ((q = this._queued_query) !== null) {
this._queued_query = null;
@@ -377,19 +392,14 @@ var Search = {
for (i = 0; i < searchterms.length; i++) {
var word = searchterms[i];
// no match but word was a required one
- if ((files = terms[word]) === undefined)
- break;
- if (files.length === undefined) {
- files = [files];
- }
+ files = Search._performTermsSearch(terms, word);
// create the mapping
- for (j = 0; j < files.length; j++) {
- file = files[j];
+ jQuery.each(files, function(file) {
if (file in fileMap)
fileMap[file].push(word);
else
fileMap[file] = [word];
- }
+ });
}
// now check if the files don't contain excluded terms
@@ -417,6 +427,73 @@ var Search = {
return results;
},
+ _performTermsSearch: function(terms, word) {
+ // base goog.array.binarySearch_ in Closure Library
+ function binarySearch(terms, keyword) {
+ var left = 0;
+ var right = terms.length;
+
+ while (left < right) {
+ var middle = (left + right) >> 1;
+ var term = terms[middle][0];
+
+ if (terms[middle][0] < keyword) {
+ left = middle + 1;
+ } else {
+ right = middle;
+ }
+ }
+ return left;
+ }
+
+ function startsWith(str, prefix) {
+ return str.lastIndexOf(prefix, 0) !== -1;
+ }
+
+ function intersection(arr1, obj2) {
+ var res = {};
+ if (!jQuery.isArray(arr1)) {
+ arr1 = [arr1];
+ }
+ jQuery.each(arr1, function(_, k) {
+ if (k in obj2) {
+ res[k] = 1;
+ }
+ });
+ return res;
+ }
+
+ var files = {};
+ var index = binarySearch(terms, word);
+
+ var i = index;
+ while (terms[i] && startsWith(terms[i][0], word)) {
+ if (jQuery.isArray(terms[i][1])) {
+ jQuery.each(terms[i][1], function(_, n) {
+ files[n] = 1;
+ });
+ } else {
+ files[terms[i][1]] = 1;
+ }
+ i++;
+ }
+
+ var i = index - 1;
+ while (terms[i]) {
+ var term = terms[i][0];
+ if (startsWith(word, term)) {
+ var restWord = word.slice(terms[i][0].length);
+ var restIndexes = Search._performTermsSearch(terms, restWord);
+ jQuery.extend(files, intersection(terms[i][1], restIndexes));
+ }
+ if (term[0] !== word[0]) {
+ break;
+ }
+ i--;
+ }
+ return files;
+ },
+
/**
* helper function to return a node containing the
* search summary for a given text. keywords is a list
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