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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/. */
const EXPORTED_SYMBOLS = ["FreeTag", "FreeTagNoun"];
const { Gloda } = ChromeUtils.import("resource:///modules/gloda/Gloda.jsm");
function FreeTag(aTagName) {
this.name = aTagName;
}
FreeTag.prototype = {
toString() {
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: console.createInstance({
prefix: "gloda.noun.freetag",
maxLogLevel: "Warn",
maxLogLevelPref: "gloda.loglevel",
}),
name: "freetag",
clazz: FreeTag,
allowsArbitraryAttrs: false,
usesParameter: true,
_listeners: [],
addListener(aListener) {
this._listeners.push(aListener);
},
removeListener(aListener) {
let index = this._listeners.indexOf(aListener);
if (index >= 0) {
this._listeners.splice(index, 1);
}
},
populateKnownFreeTags() {
for (let attr of this.objectNounOfAttributes) {
let attrDB = attr.dbDef;
for (let param in attrDB.parameterBindings) {
this.getFreeTag(param);
}
}
},
knownFreeTags: {},
getFreeTag(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(a, b) {
if (a == null) {
if (b == null) {
return 0;
}
return 1;
} else if (b == null) {
return -1;
}
return a.name.localeCompare(b.name);
},
toParamAndValue(aTag) {
return [aTag.name, null];
},
toJSON(aTag) {
return aTag.name;
},
fromJSON(aTagName) {
return this.getFreeTag(aTagName);
},
};
Gloda.defineNoun(FreeTagNoun);
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