73 lines
1.5 KiB
JavaScript
73 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",
|
|
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);
|
|
}
|
|
}
|
|
try {
|
|
regexp = new RegExp(regexpString,flags);
|
|
} catch(e) {
|
|
return ["" + e];
|
|
}
|
|
// 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;
|
|
};
|
|
|
|
})();
|