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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* NOTE: The use of this file is deprecated. Use load_time_data.js instead.
*
* The local strings get injected into the page using a variable named
* {@code templateData}. This class provides a simpler interface to access those
* strings.
*
* @param {Object} opt_templateData Optional object containing translated
* strings. If this is not supplied during construction, it can be
* assigned to the templateData property after construction. If all else
* fails, the value of window.templateDate will be used.
* @constructor
*/
function LocalStrings(opt_templateData) {
this.templateData = opt_templateData;
}
// Start of anonymous namespace.
(function() {
/**
* Returns a formatted string where $1 to $9 are replaced by the second to the
* tenth argument.
* @param {string} s The format string.
* @param {...string} The extra values to include in the formatted output.
* @return {string} The string after format substitution.
*/
function replaceArgs(s, args) {
return s.replace(/\$[$1-9]/g, function(m) {
return (m == '$$') ? '$' : args[m[1]];
});
}
/**
* Returns a string after removing Windows-style accelerators.
* @param {string} s The input string that may contain accelerators.
* @return {string} The resulting string with accelerators removed.
*/
function trimAccelerators(s) {
return s.replace(/&{1,2}/g, function(m) {
return (m == '&&') ? '&' : '';
});
}
LocalStrings.prototype = {
/**
* The template data object.
* @type {Object}
*/
templateData: null,
/**
* Gets a localized string by its id.
* @param {string} s The ID of the string we want.
* @return {string} The localized string.
*/
getString: function(id) {
// TODO(arv): We should not rely on a global variable here.
var templateData = this.templateData || window.templateData;
var str = templateData[id];
// TODO(jhawkins): Change to console.error when all errors are fixed.
if (!str)
console.warn('Missing string for id: ' + id);
return str;
},
/**
* Returns a formatted localized string where $1 to $9 are replaced by the
* second to the tenth argument.
* @param {string} id The ID of the string we want.
* @param {...string} The extra values to include in the formatted output.
* @return {string} The formatted string.
*/
getStringF: function(id, var_args) {
return replaceArgs(this.getString(id), arguments);
},
};
// End of anonymous namespace.
})();
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