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/* Authors:
* Endi Dewata <edewata@redhat.com>
*
* Copyright (C) 2010 Red Hat
* see file 'COPYING' for use and warranty information
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
jQuery.ordered_map = jQuery.fn.ordered_map = function() {
var that = {};
/**
* These variables can be read directly but should not be
* modified directly. Use the provided methods instead.
*/
that.keys = [];
that.values = [];
that.map = {};
that.length = 0;
that.get = function(key) {
return that.map[key];
};
that.put = function(key, value) {
var i = that.get_key_index(key);
if (i >= 0) {
that.values[i] = value;
} else {
that.keys.push(key);
that.values.push(value);
that.length = that.keys.length;
}
that.map[key] = value;
};
that.remove = function(key) {
var i = that.get_key_index(key);
if (i<0) return null;
that.keys.splice(i, 1);
that.values.splice(i, 1);
var value = that.map[key];
delete that.map[key];
that.length = that.keys.length;
return value;
};
that.empty = function() {
that.keys = [];
that.values = [];
that.map = {};
that.length = that.keys.length;
};
that.get_key_index = function(key) {
return that.keys.indexOf(key);
};
that.get_key_by_index = function(index) {
return that.keys[index];
};
that.get_value_by_index = function(index) {
return that.values[index];
};
that.sort = function() {
var keys = that.keys.slice(0);
keys.sort();
return that.trim(keys);
};
that.slice = function(start, end) {
var keys = that.keys.slice(start, end);
return that.trim(keys);
};
that.trim = function(keys) {
var new_map = $.ordered_map();
for (var i=0; i<keys.length; i++) {
var key = keys[i];
var value = that.get(key);
new_map.put(key, value);
}
return new_map;
};
return that;
};
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