/**
* Helper object to parse the query string variables from
*
*
* and in test.js, you can get query as name/value pairs:
*
* var queries = new ScriptQuery('test.js').parse();
* for (var name in queries) {
* var values = queries[name]; // property is Array instance.
* ...
* }
*
* If you would like to avoid array manipulation.
* ScriptQuery also provides flatten method, which returns
* only first value for each properties.
*
* var queries = new ScriptQuery('test.js').flatten();
* for (var name in queries) {
* alert(queries[name]); // property is simply string
* }
*/
var ScriptQuery = function(scriptPath) {
this.scriptPath = scriptPath;
}
ScriptQuery.prototype = {
get: function() {
var srcRegex = new RegExp(this.scriptPath.replace('.', '\\.') + '(\\?.*)?$');
var scripts = document.getElementsByTagName("script");
for (var i = 0; i < scripts.length; i++) {
var script = scripts[i];
if (script.src && script.src.match(srcRegex)) {
var query = script.src.match(/\?([^#]*)(#.*)?/);
return !query ? '' : query[1];
}
}
return '';
},
parse: function() {
var result = {};
var query = this.get();
var components = query.split('&');
for (var i = 0; i < components.length; i++) {
var pair = components[i].split('=');
var name = pair[0], value = pair[1];
if (!result[name]) result[name] = [];
// decode
if (!value) {
// value = 'true';
value = '';
} else {
try {
value = decodeURIComponent(value);
} catch (e) {
value = unescape(value);
}
}
// MacIE way
var values = result[name];
values[values.length] = value;
}
return result;
},
flatten: function() {
var queries = this.parse();
for (var name in queries) {
queries[name] = queries[name][0];
}
return queries;
},
toString: function() {
return 'ScriptQuery [path=' + this.scriptPath + ']';
}
}
var queries = new ScriptQuery('menustructure.js').flatten();
for (var name in queries) {
// alert(queries[name]); // property is simply string
var sRoot = queries[name];
}
document.write('\
\