mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-09-20 19:29:43 +00:00
a8f70b08a8
* First pass at modular wiki indexes An exploratory experiment * Fix tests * Faster checking for existence of index methods We don't really need to check the type * Use the index for the has operator * Fix typo * Move iterator index methods into indexer modules Now boot.js doesn't know the core indexers * Fix up the other iterator index functions * Fix crash with missing index branch * Limit the field indexer to values less than 128 characters * Fallback to the old manual scan if the index method returns null * Sadly, we can no longe re-use the field indexer to accelerate the `has` operator, because the index now omits tiddlers that have field values longer than the limit Still need to make the index configuration exposed somehow * Rearrange tests so that we can test with and without indexers We also need to expose the list of enabled indexers as a config option * Test the field indexer with different length fields So that we test the indexed and non-indexed codepaths
76 lines
1.6 KiB
JavaScript
76 lines
1.6 KiB
JavaScript
/*\
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title: $:/core/modules/filters/field.js
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type: application/javascript
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module-type: filteroperator
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Filter operator for comparing fields for equality
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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/*
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Export our filter function
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*/
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exports.field = function(source,operator,options) {
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var results = [],indexedResults,
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fieldname = (operator.suffix || operator.operator || "title").toLowerCase();
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if(operator.prefix === "!") {
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if(operator.regexp) {
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source(function(tiddler,title) {
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if(tiddler) {
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var text = tiddler.getFieldString(fieldname);
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if(text !== null && !operator.regexp.exec(text)) {
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results.push(title);
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}
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} else {
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results.push(title);
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}
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});
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} else {
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source(function(tiddler,title) {
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if(tiddler) {
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var text = tiddler.getFieldString(fieldname);
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if(text !== null && text !== operator.operand) {
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results.push(title);
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}
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} else {
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results.push(title);
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}
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});
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}
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} else {
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if(operator.regexp) {
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source(function(tiddler,title) {
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if(tiddler) {
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var text = tiddler.getFieldString(fieldname);
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if(text !== null && !!operator.regexp.exec(text)) {
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results.push(title);
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}
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}
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});
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} else {
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if(source.byField) {
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indexedResults = source.byField(fieldname,operator.operand);
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if(indexedResults) {
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return indexedResults
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}
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}
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source(function(tiddler,title) {
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if(tiddler) {
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var text = tiddler.getFieldString(fieldname);
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if(text !== null && text === operator.operand) {
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results.push(title);
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}
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}
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});
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}
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}
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return results;
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};
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})();
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