mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-09-18 02:09:43 +00:00
69 lines
1.5 KiB
JavaScript
69 lines
1.5 KiB
JavaScript
|
/*\
|
||
|
title: $:/core/modules/filters/regexp.js
|
||
|
type: application/javascript
|
||
|
module-type: filteroperator
|
||
|
|
||
|
Filter operator for regexp matching
|
||
|
|
||
|
\*/
|
||
|
(function(){
|
||
|
|
||
|
/*jslint node: true, browser: true */
|
||
|
/*global $tw: false */
|
||
|
"use strict";
|
||
|
|
||
|
/*
|
||
|
Export our filter function
|
||
|
*/
|
||
|
exports.regexp = function(source,operator,options) {
|
||
|
var results = [],
|
||
|
fieldname = (operator.suffix || "title").toLowerCase(),
|
||
|
regexpString, regexp, flags = "", match,
|
||
|
getFieldString = function(tiddler,title) {
|
||
|
if(tiddler) {
|
||
|
return tiddler.getFieldString(fieldname);
|
||
|
} else if(fieldname === "title") {
|
||
|
return title;
|
||
|
} else {
|
||
|
return null;
|
||
|
}
|
||
|
};
|
||
|
// Process flags and construct regexp
|
||
|
regexpString = operator.operand;
|
||
|
match = /^\(\?([gim]+)\)/.exec(regexpString);
|
||
|
if(match) {
|
||
|
flags = match[1];
|
||
|
regexpString = regexpString.substr(match[0].length);
|
||
|
} else {
|
||
|
match = /\(\?([gim]+)\)$/.exec(regexpString);
|
||
|
if(match) {
|
||
|
flags = match[1];
|
||
|
regexpString = regexpString.substr(0,regexpString.length - match[0].length);
|
||
|
}
|
||
|
}
|
||
|
regexp = new RegExp(regexpString,flags);
|
||
|
// Process the incoming tiddlers
|
||
|
if(operator.prefix === "!") {
|
||
|
source(function(tiddler,title) {
|
||
|
var text = getFieldString(tiddler,title);
|
||
|
if(text !== null) {
|
||
|
if(!regexp.exec(text)) {
|
||
|
results.push(title);
|
||
|
}
|
||
|
}
|
||
|
});
|
||
|
} else {
|
||
|
source(function(tiddler,title) {
|
||
|
var text = getFieldString(tiddler,title);
|
||
|
if(text !== null) {
|
||
|
if(!!regexp.exec(text)) {
|
||
|
results.push(title);
|
||
|
}
|
||
|
}
|
||
|
});
|
||
|
}
|
||
|
return results;
|
||
|
};
|
||
|
|
||
|
})();
|