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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
this.EXPORTED_SYMBOLS = ['FreeTag', 'FreeTagNoun'];
var Cc = Components.classes;
var Ci = Components.interfaces;
var Cr = Components.results;
var Cu = Components.utils;
Cu.import("resource:///modules/gloda/log4moz.js");
Cu.import("resource:///modules/gloda/gloda.js");
function FreeTag(aTagName) {
this.name = aTagName;
}
FreeTag.prototype = {
toString: function () {
return this.name;
}
};
/**
* @namespace Tag noun provider. Since the tag unique value is stored as a
* parameter, we are an odd case and semantically confused.
*/
var FreeTagNoun = {
_log: Log4Moz.repository.getLogger("gloda.noun.freetag"),
name: "freetag",
clazz: FreeTag,
allowsArbitraryAttrs: false,
usesParameter: true,
_listeners: [],
addListener: function(aListener) {
this._listeners.push(aListener);
},
removeListener: function(aListener) {
let index = this._listeners.indexOf(aListener);
if (index >=0)
this._listeners.splice(index, 1);
},
populateKnownFreeTags: function() {
for (let attr of this.objectNounOfAttributes) {
let attrDB = attr.dbDef;
for (let param in attrDB.parameterBindings) {
this.getFreeTag(param);
}
}
},
knownFreeTags: {},
getFreeTag: function(aTagName) {
let tag = this.knownFreeTags[aTagName];
if (!tag) {
tag = this.knownFreeTags[aTagName] = new FreeTag(aTagName);
for (let listener of this._listeners)
listener.onFreeTagAdded(tag);
}
return tag;
},
comparator: function gloda_noun_freetag_comparator(a, b) {
if (a == null) {
if (b == null)
return 0;
else
return 1;
}
else if (b == null) {
return -1;
}
return a.name.localeCompare(b.name);
},
toParamAndValue: function gloda_noun_freetag_toParamAndValue(aTag) {
return [aTag.name, null];
},
toJSON: function gloda_noun_freetag_toJSON(aTag) {
return aTag.name;
},
fromJSON: function gloda_noun_freetag_fromJSON(aTagName) {
return this.getFreeTag(aTagName);
},
};
Gloda.defineNoun(FreeTagNoun);
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