michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: let EXPORTED_SYMBOLS = [
michael@0:   "ContentPrefStore",
michael@0: ];
michael@0: 
michael@0: function ContentPrefStore() {
michael@0:   this._groups = {};
michael@0:   this._globalNames = {};
michael@0: }
michael@0: 
michael@0: ContentPrefStore.prototype = {
michael@0: 
michael@0:   set: function CPS_set(group, name, val) {
michael@0:     if (group) {
michael@0:       if (!this._groups.hasOwnProperty(group))
michael@0:         this._groups[group] = {};
michael@0:       this._groups[group][name] = val;
michael@0:     }
michael@0:     else {
michael@0:       this._globalNames[name] = val;
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   setWithCast: function CPS_setWithCast(group, name, val) {
michael@0:     if (typeof(val) == "boolean")
michael@0:       val = val ? 1 : 0;
michael@0:     else if (val === undefined)
michael@0:       val = null;
michael@0:     this.set(group, name, val);
michael@0:   },
michael@0: 
michael@0:   has: function CPS_has(group, name) {
michael@0:     return (group &&
michael@0:             this._groups.hasOwnProperty(group) &&
michael@0:             this._groups[group].hasOwnProperty(name)) ||
michael@0:            (!group &&
michael@0:             this._globalNames.hasOwnProperty(name));
michael@0:   },
michael@0: 
michael@0:   get: function CPS_get(group, name) {
michael@0:     if (group) {
michael@0:       if (this._groups.hasOwnProperty(group) &&
michael@0:           this._groups[group].hasOwnProperty(name))
michael@0:         return this._groups[group][name];
michael@0:     }
michael@0:     else if (this._globalNames.hasOwnProperty(name)) {
michael@0:       return this._globalNames[name];
michael@0:     }
michael@0:     return undefined;
michael@0:   },
michael@0: 
michael@0:   remove: function CPS_remove(group, name) {
michael@0:     if (group) {
michael@0:       if (this._groups.hasOwnProperty(group)) {
michael@0:         delete this._groups[group][name];
michael@0:         if (!Object.keys(this._groups[group]).length)
michael@0:           delete this._groups[group];
michael@0:       }
michael@0:     }
michael@0:     else {
michael@0:       delete this._globalNames[name];
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   removeGroup: function CPS_removeGroup(group) {
michael@0:     if (group) {
michael@0:       delete this._groups[group];
michael@0:     }
michael@0:     else {
michael@0:       this._globalNames = {};
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   removeAllGroups: function CPS_removeAllGroups() {
michael@0:     this._groups = {};
michael@0:   },
michael@0: 
michael@0:   removeAll: function CPS_removeAll() {
michael@0:     this.removeAllGroups();
michael@0:     this._globalNames = {};
michael@0:   },
michael@0: 
michael@0:   __iterator__: function CPS___iterator__() {
michael@0:     for (let [group, names] in Iterator(this._groups)) {
michael@0:       for (let [name, val] in Iterator(names)) {
michael@0:         yield [group, name, val];
michael@0:       }
michael@0:     }
michael@0:     for (let [name, val] in Iterator(this._globalNames)) {
michael@0:       yield [null, name, val];
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   match: function CPS_match(group, name, includeSubdomains) {
michael@0:     for (let sgroup in this.matchGroups(group, includeSubdomains)) {
michael@0:       if (this.has(sgroup, name))
michael@0:         yield [sgroup, this.get(sgroup, name)];
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   matchGroups: function CPS_matchGroups(group, includeSubdomains) {
michael@0:     if (group) {
michael@0:       if (includeSubdomains) {
michael@0:         for (let [sgroup, , ] in this) {
michael@0:           if (sgroup) {
michael@0:             let idx = sgroup.indexOf(group);
michael@0:             if (idx == sgroup.length - group.length &&
michael@0:                 (idx == 0 || sgroup[idx - 1] == "."))
michael@0:               yield sgroup;
michael@0:           }
michael@0:         }
michael@0:       }
michael@0:       else if (this._groups.hasOwnProperty(group)) {
michael@0:         yield group;
michael@0:       }
michael@0:     }
michael@0:     else if (Object.keys(this._globalNames).length) {
michael@0:       yield null;
michael@0:     }
michael@0:   },
michael@0: };