Fix bugs when dealing with special characters in labels

This commit is contained in:
Bryan Helmkamp 2009-09-17 21:18:52 -04:00
parent 63e1053afa
commit 3a9e7d3999

View File

@ -1,7 +1,20 @@
RegExp.escape = function(text) {
if (!arguments.callee.sRE) {
var specials = [
'/', '.', '*', '+', '?', '|',
'(', ')', '[', ']', '{', '}', '\\'
];
arguments.callee.sRE = new RegExp(
'(\\' + specials.join('|\\') + ')', 'g'
);
}
return text.replace(arguments.callee.sRE, '\\$1');
}
var allLabels = inDocument.getElementsByTagName("label");
var regExp = new RegExp('^\\W*' + RegExp.escape(locator) + '(\\b|$)', 'i');
var candidateLabels = $A(allLabels).select(function(candidateLabel){
var regExp = new RegExp('^' + locator + '\\b', 'i');
var labelText = getText(candidateLabel).strip();
return (labelText.search(regExp) >= 0);
});