diff options
Diffstat (limited to 'doc/html/_static/searchtools.js')
| -rw-r--r-- | doc/html/_static/searchtools.js | 502 |
1 files changed, 350 insertions, 152 deletions
diff --git a/doc/html/_static/searchtools.js b/doc/html/_static/searchtools.js index 663be4c..c821573 100644 --- a/doc/html/_static/searchtools.js +++ b/doc/html/_static/searchtools.js @@ -2,41 +2,15 @@ * searchtools.js_t * ~~~~~~~~~~~~~~~~ * - * Sphinx JavaScript utilties for the full-text search. + * Sphinx JavaScript utilities for the full-text search. * - * :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS. + * :copyright: Copyright 2007-2017 by the Sphinx team, see AUTHORS. * :license: BSD, see LICENSE for details. * */ -/** - * helper function to return a node containing the - * search summary for a given text. keywords is a list - * of stemmed words, hlwords is the list of normal, unstemmed - * words. the first one is used to find the occurance, the - * latter for highlighting it. - */ - -jQuery.makeSearchSummary = function(text, keywords, hlwords) { - var textLower = text.toLowerCase(); - var start = 0; - $.each(keywords, function() { - var i = textLower.indexOf(this.toLowerCase()); - if (i > -1) - start = i; - }); - start = Math.max(start - 120, 0); - var excerpt = ((start > 0) ? '...' : '') + - $.trim(text.substr(start, 240)) + - ((start + 240 - text.length) ? '...' : ''); - var rv = $('<div class="context"></div>').text(excerpt); - $.each(hlwords, function() { - rv = rv.highlightText(this, 'highlighted'); - }); - return rv; -} - +/* Non-minified version JS is _stemmer.js if file is provided */ /** * Porter Stemmer */ @@ -220,6 +194,138 @@ var Stemmer = function() { } + +/** + * Simple result scoring code. + */ +var Scorer = { + // Implement the following function to further tweak the score for each result + // The function takes a result array [filename, title, anchor, descr, score] + // and returns the new score. + /* + score: function(result) { + return result[4]; + }, + */ + + // query matches the full name of an object + objNameMatch: 11, + // or matches in the last dotted part of the object name + objPartialMatch: 6, + // Additive scores depending on the priority of the object + objPrio: {0: 15, // used to be importantResults + 1: 5, // used to be objectResults + 2: -5}, // used to be unimportantResults + // Used when the priority is not in the mapping. + objPrioDefault: 0, + + // query found in title + title: 15, + // query found in terms + term: 5 +}; + + + + + +var splitChars = (function() { + var result = {}; + var singles = [96, 180, 187, 191, 215, 247, 749, 885, 903, 907, 909, 930, 1014, 1648, + 1748, 1809, 2416, 2473, 2481, 2526, 2601, 2609, 2612, 2615, 2653, 2702, + 2706, 2729, 2737, 2740, 2857, 2865, 2868, 2910, 2928, 2948, 2961, 2971, + 2973, 3085, 3089, 3113, 3124, 3213, 3217, 3241, 3252, 3295, 3341, 3345, + 3369, 3506, 3516, 3633, 3715, 3721, 3736, 3744, 3748, 3750, 3756, 3761, + 3781, 3912, 4239, 4347, 4681, 4695, 4697, 4745, 4785, 4799, 4801, 4823, + 4881, 5760, 5901, 5997, 6313, 7405, 8024, 8026, 8028, 8030, 8117, 8125, + 8133, 8181, 8468, 8485, 8487, 8489, 8494, 8527, 11311, 11359, 11687, 11695, + 11703, 11711, 11719, 11727, 11735, 12448, 12539, 43010, 43014, 43019, 43587, + 43696, 43713, 64286, 64297, 64311, 64317, 64319, 64322, 64325, 65141]; + var i, j, start, end; + for (i = 0; i < singles.length; i++) { + result[singles[i]] = true; + } + var ranges = [[0, 47], [58, 64], [91, 94], [123, 169], [171, 177], [182, 184], [706, 709], + [722, 735], [741, 747], [751, 879], [888, 889], [894, 901], [1154, 1161], + [1318, 1328], [1367, 1368], [1370, 1376], [1416, 1487], [1515, 1519], [1523, 1568], + [1611, 1631], [1642, 1645], [1750, 1764], [1767, 1773], [1789, 1790], [1792, 1807], + [1840, 1868], [1958, 1968], [1970, 1983], [2027, 2035], [2038, 2041], [2043, 2047], + [2070, 2073], [2075, 2083], [2085, 2087], [2089, 2307], [2362, 2364], [2366, 2383], + [2385, 2391], [2402, 2405], [2419, 2424], [2432, 2436], [2445, 2446], [2449, 2450], + [2483, 2485], [2490, 2492], [2494, 2509], [2511, 2523], [2530, 2533], [2546, 2547], + [2554, 2564], [2571, 2574], [2577, 2578], [2618, 2648], [2655, 2661], [2672, 2673], + [2677, 2692], [2746, 2748], [2750, 2767], [2769, 2783], [2786, 2789], [2800, 2820], + [2829, 2830], [2833, 2834], [2874, 2876], [2878, 2907], [2914, 2917], [2930, 2946], + [2955, 2957], [2966, 2968], [2976, 2978], [2981, 2983], [2987, 2989], [3002, 3023], + [3025, 3045], [3059, 3076], [3130, 3132], [3134, 3159], [3162, 3167], [3170, 3173], + [3184, 3191], [3199, 3204], [3258, 3260], [3262, 3293], [3298, 3301], [3312, 3332], + [3386, 3388], [3390, 3423], [3426, 3429], [3446, 3449], [3456, 3460], [3479, 3481], + [3518, 3519], [3527, 3584], [3636, 3647], [3655, 3663], [3674, 3712], [3717, 3718], + [3723, 3724], [3726, 3731], [3752, 3753], [3764, 3772], [3774, 3775], [3783, 3791], + [3802, 3803], [3806, 3839], [3841, 3871], [3892, 3903], [3949, 3975], [3980, 4095], + [4139, 4158], [4170, 4175], [4182, 4185], [4190, 4192], [4194, 4196], [4199, 4205], + [4209, 4212], [4226, 4237], [4250, 4255], [4294, 4303], [4349, 4351], [4686, 4687], + [4702, 4703], [4750, 4751], [4790, 4791], [4806, 4807], [4886, 4887], [4955, 4968], + [4989, 4991], [5008, 5023], [5109, 5120], [5741, 5742], [5787, 5791], [5867, 5869], + [5873, 5887], [5906, 5919], [5938, 5951], [5970, 5983], [6001, 6015], [6068, 6102], + [6104, 6107], [6109, 6111], [6122, 6127], [6138, 6159], [6170, 6175], [6264, 6271], + [6315, 6319], [6390, 6399], [6429, 6469], [6510, 6511], [6517, 6527], [6572, 6592], + [6600, 6607], [6619, 6655], [6679, 6687], [6741, 6783], [6794, 6799], [6810, 6822], + [6824, 6916], [6964, 6980], [6988, 6991], [7002, 7042], [7073, 7085], [7098, 7167], + [7204, 7231], [7242, 7244], [7294, 7400], [7410, 7423], [7616, 7679], [7958, 7959], + [7966, 7967], [8006, 8007], [8014, 8015], [8062, 8063], [8127, 8129], [8141, 8143], + [8148, 8149], [8156, 8159], [8173, 8177], [8189, 8303], [8306, 8307], [8314, 8318], + [8330, 8335], [8341, 8449], [8451, 8454], [8456, 8457], [8470, 8472], [8478, 8483], + [8506, 8507], [8512, 8516], [8522, 8525], [8586, 9311], [9372, 9449], [9472, 10101], + [10132, 11263], [11493, 11498], [11503, 11516], [11518, 11519], [11558, 11567], + [11622, 11630], [11632, 11647], [11671, 11679], [11743, 11822], [11824, 12292], + [12296, 12320], [12330, 12336], [12342, 12343], [12349, 12352], [12439, 12444], + [12544, 12548], [12590, 12592], [12687, 12689], [12694, 12703], [12728, 12783], + [12800, 12831], [12842, 12880], [12896, 12927], [12938, 12976], [12992, 13311], + [19894, 19967], [40908, 40959], [42125, 42191], [42238, 42239], [42509, 42511], + [42540, 42559], [42592, 42593], [42607, 42622], [42648, 42655], [42736, 42774], + [42784, 42785], [42889, 42890], [42893, 43002], [43043, 43055], [43062, 43071], + [43124, 43137], [43188, 43215], [43226, 43249], [43256, 43258], [43260, 43263], + [43302, 43311], [43335, 43359], [43389, 43395], [43443, 43470], [43482, 43519], + [43561, 43583], [43596, 43599], [43610, 43615], [43639, 43641], [43643, 43647], + [43698, 43700], [43703, 43704], [43710, 43711], [43715, 43738], [43742, 43967], + [44003, 44015], [44026, 44031], [55204, 55215], [55239, 55242], [55292, 55295], + [57344, 63743], [64046, 64047], [64110, 64111], [64218, 64255], [64263, 64274], + [64280, 64284], [64434, 64466], [64830, 64847], [64912, 64913], [64968, 65007], + [65020, 65135], [65277, 65295], [65306, 65312], [65339, 65344], [65371, 65381], + [65471, 65473], [65480, 65481], [65488, 65489], [65496, 65497]]; + for (i = 0; i < ranges.length; i++) { + start = ranges[i][0]; + end = ranges[i][1]; + for (j = start; j <= end; j++) { + result[j] = true; + } + } + return result; +})(); + +function splitQuery(query) { + var result = []; + var start = -1; + for (var i = 0; i < query.length; i++) { + if (splitChars[query.charCodeAt(i)]) { + if (start !== -1) { + result.push(query.slice(start, i)); + start = -1; + } + } else if (start === -1) { + start = i; + } + } + if (start !== -1) { + result.push(query.slice(start)); + } + return result; +} + + + + /** * Search Module */ @@ -239,8 +345,13 @@ var Search = { }, loadIndex : function(url) { - $.ajax({type: "GET", url: url, data: null, success: null, - dataType: "script", cache: true}); + $.ajax({type: "GET", url: url, data: null, + dataType: "script", cache: true, + complete: function(jqxhr, textstatus) { + if (textstatus != "success") { + document.getElementById("searchindexloader").src = url; + } + }}); }, setIndex : function(index) { @@ -268,19 +379,20 @@ var Search = { if (this._pulse_status >= 0) return; function pulse() { + var i; Search._pulse_status = (Search._pulse_status + 1) % 4; var dotString = ''; - for (var i = 0; i < Search._pulse_status; i++) + for (i = 0; i < Search._pulse_status; i++) dotString += '.'; Search.dots.text(dotString); if (Search._pulse_status > -1) window.setTimeout(pulse, 500); - }; + } pulse(); }, /** - * perform a search for something + * perform a search for something (or wait until index is loaded) */ performSearch : function(query) { // create the required interface elements @@ -300,41 +412,50 @@ var Search = { this.deferQuery(query); }, + /** + * execute search (requires search index to be loaded) + */ query : function(query) { - var stopwords = ["and","then","into","it","as","are","in","if","for","no","there","their","was","is","be","to","that","but","they","not","such","with","by","a","on","these","of","will","this","near","the","or","at"]; + var i; + var stopwords = ["a","and","are","as","at","be","but","by","for","if","in","into","is","it","near","no","not","of","on","or","such","that","the","their","then","there","these","they","this","to","was","will","with"]; - // Stem the searchterms and add them to the correct list + // stem the searchterms and add them to the correct list var stemmer = new Stemmer(); var searchterms = []; var excluded = []; var hlterms = []; - var tmp = query.split(/\s+/); + var tmp = splitQuery(query); var objectterms = []; - for (var i = 0; i < tmp.length; i++) { - if (tmp[i] != "") { + for (i = 0; i < tmp.length; i++) { + if (tmp[i] !== "") { objectterms.push(tmp[i].toLowerCase()); } - if ($u.indexOf(stopwords, tmp[i]) != -1 || tmp[i].match(/^\d+$/) || - tmp[i] == "") { + if ($u.indexOf(stopwords, tmp[i].toLowerCase()) != -1 || tmp[i].match(/^\d+$/) || + tmp[i] === "") { // skip this "word" continue; } // stem the word - var word = stemmer.stemWord(tmp[i]).toLowerCase(); + var word = stemmer.stemWord(tmp[i].toLowerCase()); + // prevent stemmer from cutting word smaller than two chars + if(word.length < 3 && tmp[i].length >= 3) { + word = tmp[i]; + } + var toAppend; // select the correct list if (word[0] == '-') { - var toAppend = excluded; + toAppend = excluded; word = word.substr(1); } else { - var toAppend = searchterms; + toAppend = searchterms; hlterms.push(tmp[i].toLowerCase()); } // only add if not already in the list - if (!$.contains(toAppend, word)) + if (!$u.contains(toAppend, word)) toAppend.push(word); - }; + } var highlightstring = '?highlight=' + $.urlencode(hlterms.join(" ")); // console.debug('SEARCH: searching for:'); @@ -342,89 +463,50 @@ var Search = { // console.info('excluded: ', excluded); // prepare search - var filenames = this._index.filenames; - var titles = this._index.titles; var terms = this._index.terms; - var fileMap = {}; - var files = null; - // different result priorities - var importantResults = []; - var objectResults = []; - var regularResults = []; - var unimportantResults = []; + var titleterms = this._index.titleterms; + + // array of [filename, title, anchor, descr, score] + var results = []; $('#search-progress').empty(); // lookup as object - for (var i = 0; i < objectterms.length; i++) { - var others = [].concat(objectterms.slice(0,i), - objectterms.slice(i+1, objectterms.length)) - var results = this.performObjectSearch(objectterms[i], others); - // Assume first word is most likely to be the object, - // other words more likely to be in description. - // Therefore put matches for earlier words first. - // (Results are eventually used in reverse order). - objectResults = results[0].concat(objectResults); - importantResults = results[1].concat(importantResults); - unimportantResults = results[2].concat(unimportantResults); + for (i = 0; i < objectterms.length; i++) { + var others = [].concat(objectterms.slice(0, i), + objectterms.slice(i+1, objectterms.length)); + results = results.concat(this.performObjectSearch(objectterms[i], others)); } - // perform the search on the required terms - for (var i = 0; i < searchterms.length; i++) { - var word = searchterms[i]; - // no match but word was a required one - if ((files = terms[word]) == null) - break; - if (files.length == undefined) { - files = [files]; - } - // create the mapping - for (var j = 0; j < files.length; j++) { - var file = files[j]; - if (file in fileMap) - fileMap[file].push(word); - else - fileMap[file] = [word]; - } - } - - // now check if the files don't contain excluded terms - for (var file in fileMap) { - var valid = true; + // lookup as search terms in fulltext + results = results.concat(this.performTermsSearch(searchterms, excluded, terms, titleterms)); - // check if all requirements are matched - if (fileMap[file].length != searchterms.length) - continue; - - // ensure that none of the excluded terms is in the - // search result. - for (var i = 0; i < excluded.length; i++) { - if (terms[excluded[i]] == file || - $.contains(terms[excluded[i]] || [], file)) { - valid = false; - break; - } - } - - // if we have still a valid result we can add it - // to the result list - if (valid) - regularResults.push([filenames[file], titles[file], '', null]); + // let the scorer override scores with a custom scoring function + if (Scorer.score) { + for (i = 0; i < results.length; i++) + results[i][4] = Scorer.score(results[i]); } - // delete unused variables in order to not waste - // memory until list is retrieved completely - delete filenames, titles, terms; - - // now sort the regular results descending by title - regularResults.sort(function(a, b) { - var left = a[1].toLowerCase(); - var right = b[1].toLowerCase(); - return (left > right) ? -1 : ((left < right) ? 1 : 0); + // now sort the results by score (in opposite order of appearance, since the + // display function below uses pop() to retrieve items) and then + // alphabetically + results.sort(function(a, b) { + var left = a[4]; + var right = b[4]; + if (left > right) { + return 1; + } else if (left < right) { + return -1; + } else { + // same score: sort alphabetically + left = a[1].toLowerCase(); + right = b[1].toLowerCase(); + return (left > right) ? -1 : ((left < right) ? 1 : 0); + } }); - // combine all results - var results = unimportantResults.concat(regularResults) - .concat(objectResults).concat(importantResults); + // for debugging + //Search.lastresults = results.slice(); // a copy + //console.info('search results:', Search.lastresults); // print the results var resultCount = results.length; @@ -433,7 +515,7 @@ var Search = { if (results.length) { var item = results.pop(); var listItem = $('<li style="display:none"></li>'); - if (DOCUMENTATION_OPTIONS.FILE_SUFFIX == '') { + if (DOCUMENTATION_OPTIONS.FILE_SUFFIX === '') { // dirhtml builder var dirname = item[0] + '/'; if (dirname.match(/\/index\/$/)) { @@ -457,16 +539,19 @@ var Search = { displayNextItem(); }); } else if (DOCUMENTATION_OPTIONS.HAS_SOURCE) { - $.get(DOCUMENTATION_OPTIONS.URL_ROOT + '_sources/' + - item[0] + '.txt', function(data) { - if (data != '') { - listItem.append($.makeSearchSummary(data, searchterms, hlterms)); - Search.output.append(listItem); - } - listItem.slideDown(5, function() { - displayNextItem(); - }); - }, "text"); + var suffix = DOCUMENTATION_OPTIONS.SOURCELINK_SUFFIX; + $.ajax({url: DOCUMENTATION_OPTIONS.URL_ROOT + '_sources/' + item[5] + (item[5].slice(-suffix.length) === suffix ? '' : suffix), + dataType: "text", + complete: function(jqxhr, textstatus) { + var data = jqxhr.responseText; + if (data !== '' && data !== undefined) { + listItem.append(Search.makeSearchSummary(data, searchterms, hlterms)); + } + Search.output.append(listItem); + listItem.slideDown(5, function() { + displayNextItem(); + }); + }}); } else { // no source available, just display title Search.output.append(listItem); @@ -489,20 +574,33 @@ var Search = { displayNextItem(); }, + /** + * search for object names + */ performObjectSearch : function(object, otherterms) { var filenames = this._index.filenames; + var docnames = this._index.docnames; var objects = this._index.objects; var objnames = this._index.objnames; var titles = this._index.titles; - var importantResults = []; - var objectResults = []; - var unimportantResults = []; + var i; + var results = []; for (var prefix in objects) { for (var name in objects[prefix]) { var fullname = (prefix ? prefix + '.' : '') + name; if (fullname.toLowerCase().indexOf(object) > -1) { + var score = 0; + var parts = fullname.split('.'); + // check for different match types: exact matches of full name or + // "last name" (i.e. last dotted part) + if (fullname == object || parts[parts.length - 1] == object) { + score += Scorer.objNameMatch; + // matches in last name + } else if (parts[parts.length - 1].indexOf(object) > -1) { + score += Scorer.objPartialMatch; + } var match = objects[prefix][name]; var objname = objnames[match[1]][2]; var title = titles[match[0]]; @@ -512,7 +610,7 @@ var Search = { var haystack = (prefix + ' ' + name + ' ' + objname + ' ' + title).toLowerCase(); var allfound = true; - for (var i = 0; i < otherterms.length; i++) { + for (i = 0; i < otherterms.length; i++) { if (haystack.indexOf(otherterms[i]) == -1) { allfound = false; break; @@ -523,37 +621,137 @@ var Search = { } } var descr = objname + _(', in ') + title; - anchor = match[3]; - if (anchor == '') + + var anchor = match[3]; + if (anchor === '') anchor = fullname; else if (anchor == '-') anchor = objnames[match[1]][1] + '-' + fullname; - result = [filenames[match[0]], fullname, '#'+anchor, descr]; - switch (match[2]) { - case 1: objectResults.push(result); break; - case 0: importantResults.push(result); break; - case 2: unimportantResults.push(result); break; + // add custom score for some objects according to scorer + if (Scorer.objPrio.hasOwnProperty(match[2])) { + score += Scorer.objPrio[match[2]]; + } else { + score += Scorer.objPrioDefault; } + results.push([docnames[match[0]], fullname, '#'+anchor, descr, score, filenames[match[0]]]); } } } - // sort results descending - objectResults.sort(function(a, b) { - return (a[1] > b[1]) ? -1 : ((a[1] < b[1]) ? 1 : 0); - }); + return results; + }, - importantResults.sort(function(a, b) { - return (a[1] > b[1]) ? -1 : ((a[1] < b[1]) ? 1 : 0); - }); + /** + * search for full-text terms in the index + */ + performTermsSearch : function(searchterms, excluded, terms, titleterms) { + var docnames = this._index.docnames; + var filenames = this._index.filenames; + var titles = this._index.titles; - unimportantResults.sort(function(a, b) { - return (a[1] > b[1]) ? -1 : ((a[1] < b[1]) ? 1 : 0); - }); + var i, j, file; + var fileMap = {}; + var scoreMap = {}; + var results = []; + + // perform the search on the required terms + for (i = 0; i < searchterms.length; i++) { + var word = searchterms[i]; + var files = []; + var _o = [ + {files: terms[word], score: Scorer.term}, + {files: titleterms[word], score: Scorer.title} + ]; + + // no match but word was a required one + if ($u.every(_o, function(o){return o.files === undefined;})) { + break; + } + // found search word in contents + $u.each(_o, function(o) { + var _files = o.files; + if (_files === undefined) + return + + if (_files.length === undefined) + _files = [_files]; + files = files.concat(_files); + + // set score for the word in each file to Scorer.term + for (j = 0; j < _files.length; j++) { + file = _files[j]; + if (!(file in scoreMap)) + scoreMap[file] = {} + scoreMap[file][word] = o.score; + } + }); + + // create the mapping + for (j = 0; j < files.length; j++) { + file = files[j]; + if (file in fileMap) + fileMap[file].push(word); + else + fileMap[file] = [word]; + } + } + + // now check if the files don't contain excluded terms + for (file in fileMap) { + var valid = true; - return [importantResults, objectResults, unimportantResults] + // check if all requirements are matched + if (fileMap[file].length != searchterms.length) + continue; + + // ensure that none of the excluded terms is in the search result + for (i = 0; i < excluded.length; i++) { + if (terms[excluded[i]] == file || + titleterms[excluded[i]] == file || + $u.contains(terms[excluded[i]] || [], file) || + $u.contains(titleterms[excluded[i]] || [], file)) { + valid = false; + break; + } + } + + // if we have still a valid result we can add it to the result list + if (valid) { + // select one (max) score for the file. + // for better ranking, we should calculate ranking by using words statistics like basic tf-idf... + var score = $u.max($u.map(fileMap[file], function(w){return scoreMap[file][w]})); + results.push([docnames[file], titles[file], '', null, score, filenames[file]]); + } + } + return results; + }, + + /** + * helper function to return a node containing the + * search summary for a given text. keywords is a list + * of stemmed words, hlwords is the list of normal, unstemmed + * words. the first one is used to find the occurrence, the + * latter for highlighting it. + */ + makeSearchSummary : function(text, keywords, hlwords) { + var textLower = text.toLowerCase(); + var start = 0; + $.each(keywords, function() { + var i = textLower.indexOf(this.toLowerCase()); + if (i > -1) + start = i; + }); + start = Math.max(start - 120, 0); + var excerpt = ((start > 0) ? '...' : '') + + $.trim(text.substr(start, 240)) + + ((start + 240 - text.length) ? '...' : ''); + var rv = $('<div class="context"></div>').text(excerpt); + $.each(hlwords, function() { + rv = rv.highlightText(this, 'highlighted'); + }); + return rv; } -} +}; $(document).ready(function() { Search.init(); |