webui-aria2/js/libs/dojox/string/tokenize.js.uncompressed.js
2012-05-01 19:52:07 +08:00

46 lines
1.3 KiB
JavaScript

//>>built
define("dojox/string/tokenize", [
"dojo/_base/lang",
"dojo/_base/sniff"
], function(lang, has){
var tokenize = lang.getObject("dojox.string", true).tokenize;
tokenize = function(/*String*/ str, /*RegExp*/ re, /*Function?*/ parseDelim, /*Object?*/ instance){
// summary:
// Split a string by a regular expression with the ability to capture the delimeters
// parseDelim:
// Each group (excluding the 0 group) is passed as a parameter. If the function returns
// a value, it's added to the list of tokens.
// instance:
// Used as the "this" instance when calling parseDelim
var tokens = [];
var match, content, lastIndex = 0;
while(match = re.exec(str)){
content = str.slice(lastIndex, re.lastIndex - match[0].length);
if(content.length){
tokens.push(content);
}
if(parseDelim){
if(has("opera")){
var copy = match.slice(0);
while(copy.length < match.length){
copy.push(null);
}
match = copy;
}
var parsed = parseDelim.apply(instance, match.slice(1).concat(tokens.length));
if(typeof parsed != "undefined"){
tokens.push(parsed);
}
}
lastIndex = re.lastIndex;
}
content = str.slice(lastIndex);
if(content.length){
tokens.push(content);
}
return tokens;
};
return tokenize;
});