You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1034 lines
29 KiB
JavaScript
1034 lines
29 KiB
JavaScript
/**
|
|
* Copyright (c) 2011-2013 Fabien Cazenave, Mozilla.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to
|
|
* deal in the Software without restriction, including without limitation the
|
|
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
* sell copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
* IN THE SOFTWARE.
|
|
*/
|
|
/*
|
|
Additional modifications for PDF.js project:
|
|
- Disables language initialization on page loading;
|
|
- Removes consoleWarn and consoleLog and use console.log/warn directly.
|
|
- Removes window._ assignment.
|
|
- Remove compatibility code for OldIE.
|
|
*/
|
|
|
|
/*jshint browser: true, devel: true, es5: true, globalstrict: true */
|
|
'use strict';
|
|
|
|
document.webL10n = (function(window, document, undefined) {
|
|
var gL10nData = {};
|
|
var gTextData = '';
|
|
var gTextProp = 'textContent';
|
|
var gLanguage = '';
|
|
var gMacros = {};
|
|
var gReadyState = 'loading';
|
|
|
|
|
|
/**
|
|
* Synchronously loading l10n resources significantly minimizes flickering
|
|
* from displaying the app with non-localized strings and then updating the
|
|
* strings. Although this will block all script execution on this page, we
|
|
* expect that the l10n resources are available locally on flash-storage.
|
|
*
|
|
* As synchronous XHR is generally considered as a bad idea, we're still
|
|
* loading l10n resources asynchronously -- but we keep this in a setting,
|
|
* just in case... and applications using this library should hide their
|
|
* content until the `localized' event happens.
|
|
*/
|
|
|
|
var gAsyncResourceLoading = true; // read-only
|
|
|
|
|
|
/**
|
|
* DOM helpers for the so-called "HTML API".
|
|
*
|
|
* These functions are written for modern browsers. For old versions of IE,
|
|
* they're overridden in the 'startup' section at the end of this file.
|
|
*/
|
|
|
|
function getL10nResourceLinks() {
|
|
return document.querySelectorAll('link[type="application/l10n"]');
|
|
}
|
|
|
|
function getL10nDictionary() {
|
|
var script = document.querySelector('script[type="application/l10n"]');
|
|
// TODO: support multiple and external JSON dictionaries
|
|
return script ? JSON.parse(script.innerHTML) : null;
|
|
}
|
|
|
|
function getTranslatableChildren(element) {
|
|
return element ? element.querySelectorAll('*[data-l10n-id]') : [];
|
|
}
|
|
|
|
function getL10nAttributes(element) {
|
|
if (!element)
|
|
return {};
|
|
|
|
var l10nId = element.getAttribute('data-l10n-id');
|
|
var l10nArgs = element.getAttribute('data-l10n-args');
|
|
var args = {};
|
|
if (l10nArgs) {
|
|
try {
|
|
args = JSON.parse(l10nArgs);
|
|
} catch (e) {
|
|
console.warn('could not parse arguments for #' + l10nId);
|
|
}
|
|
}
|
|
return { id: l10nId, args: args };
|
|
}
|
|
|
|
function fireL10nReadyEvent(lang) {
|
|
var evtObject = document.createEvent('Event');
|
|
evtObject.initEvent('localized', true, false);
|
|
evtObject.language = lang;
|
|
document.dispatchEvent(evtObject);
|
|
}
|
|
|
|
function xhrLoadText(url, onSuccess, onFailure) {
|
|
onSuccess = onSuccess || function _onSuccess(data) {};
|
|
onFailure = onFailure || function _onFailure() {
|
|
console.warn(url + ' not found.');
|
|
};
|
|
|
|
var xhr = new XMLHttpRequest();
|
|
xhr.open('GET', url, gAsyncResourceLoading);
|
|
if (xhr.overrideMimeType) {
|
|
xhr.overrideMimeType('text/plain; charset=utf-8');
|
|
}
|
|
xhr.onreadystatechange = function() {
|
|
if (xhr.readyState == 4) {
|
|
if (xhr.status == 200 || xhr.status === 0) {
|
|
onSuccess(xhr.responseText);
|
|
} else {
|
|
onFailure();
|
|
}
|
|
}
|
|
};
|
|
xhr.onerror = onFailure;
|
|
xhr.ontimeout = onFailure;
|
|
|
|
// in Firefox OS with the app:// protocol, trying to XHR a non-existing
|
|
// URL will raise an exception here -- hence this ugly try...catch.
|
|
try {
|
|
xhr.send(null);
|
|
} catch (e) {
|
|
onFailure();
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* l10n resource parser:
|
|
* - reads (async XHR) the l10n resource matching `lang';
|
|
* - imports linked resources (synchronously) when specified;
|
|
* - parses the text data (fills `gL10nData' and `gTextData');
|
|
* - triggers success/failure callbacks when done.
|
|
*
|
|
* @param {string} href
|
|
* URL of the l10n resource to parse.
|
|
*
|
|
* @param {string} lang
|
|
* locale (language) to parse. Must be a lowercase string.
|
|
*
|
|
* @param {Function} successCallback
|
|
* triggered when the l10n resource has been successully parsed.
|
|
*
|
|
* @param {Function} failureCallback
|
|
* triggered when the an error has occured.
|
|
*
|
|
* @return {void}
|
|
* uses the following global variables: gL10nData, gTextData, gTextProp.
|
|
*/
|
|
|
|
function parseResource(href, lang, successCallback, failureCallback) {
|
|
var baseURL = href.replace(/[^\/]*$/, '') || './';
|
|
|
|
// handle escaped characters (backslashes) in a string
|
|
function evalString(text) {
|
|
if (text.lastIndexOf('\\') < 0)
|
|
return text;
|
|
return text.replace(/\\\\/g, '\\')
|
|
.replace(/\\n/g, '\n')
|
|
.replace(/\\r/g, '\r')
|
|
.replace(/\\t/g, '\t')
|
|
.replace(/\\b/g, '\b')
|
|
.replace(/\\f/g, '\f')
|
|
.replace(/\\{/g, '{')
|
|
.replace(/\\}/g, '}')
|
|
.replace(/\\"/g, '"')
|
|
.replace(/\\'/g, "'");
|
|
}
|
|
|
|
// parse *.properties text data into an l10n dictionary
|
|
// If gAsyncResourceLoading is false, then the callback will be called
|
|
// synchronously. Otherwise it is called asynchronously.
|
|
function parseProperties(text, parsedPropertiesCallback) {
|
|
var dictionary = {};
|
|
|
|
// token expressions
|
|
var reBlank = /^\s*|\s*$/;
|
|
var reComment = /^\s*#|^\s*$/;
|
|
var reSection = /^\s*\[(.*)\]\s*$/;
|
|
var reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
|
|
var reSplit = /^([^=\s]*)\s*=\s*(.+)$/; // TODO: escape EOLs with '\'
|
|
|
|
// parse the *.properties file into an associative array
|
|
function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {
|
|
var entries = rawText.replace(reBlank, '').split(/[\r\n]+/);
|
|
var currentLang = '*';
|
|
var genericLang = lang.split('-', 1)[0];
|
|
var skipLang = false;
|
|
var match = '';
|
|
|
|
function nextEntry() {
|
|
// Use infinite loop instead of recursion to avoid reaching the
|
|
// maximum recursion limit for content with many lines.
|
|
while (true) {
|
|
if (!entries.length) {
|
|
parsedRawLinesCallback();
|
|
return;
|
|
}
|
|
var line = entries.shift();
|
|
|
|
// comment or blank line?
|
|
if (reComment.test(line))
|
|
continue;
|
|
|
|
// the extended syntax supports [lang] sections and @import rules
|
|
if (extendedSyntax) {
|
|
match = reSection.exec(line);
|
|
if (match) { // section start?
|
|
// RFC 4646, section 4.4, "All comparisons MUST be performed
|
|
// in a case-insensitive manner."
|
|
|
|
currentLang = match[1].toLowerCase();
|
|
skipLang = (currentLang !== '*') &&
|
|
(currentLang !== lang) && (currentLang !== genericLang);
|
|
continue;
|
|
} else if (skipLang) {
|
|
continue;
|
|
}
|
|
match = reImport.exec(line);
|
|
if (match) { // @import rule?
|
|
loadImport(baseURL + match[1], nextEntry);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// key-value pair
|
|
var tmp = line.match(reSplit);
|
|
if (tmp && tmp.length == 3) {
|
|
dictionary[tmp[1]] = evalString(tmp[2]);
|
|
}
|
|
}
|
|
}
|
|
nextEntry();
|
|
}
|
|
|
|
// import another *.properties file
|
|
function loadImport(url, callback) {
|
|
xhrLoadText(url, function(content) {
|
|
parseRawLines(content, false, callback); // don't allow recursive imports
|
|
}, null);
|
|
}
|
|
|
|
// fill the dictionary
|
|
parseRawLines(text, true, function() {
|
|
parsedPropertiesCallback(dictionary);
|
|
});
|
|
}
|
|
|
|
// load and parse l10n data (warning: global variables are used here)
|
|
xhrLoadText(href, function(response) {
|
|
gTextData += response; // mostly for debug
|
|
|
|
// parse *.properties text data into an l10n dictionary
|
|
parseProperties(response, function(data) {
|
|
|
|
// find attribute descriptions, if any
|
|
for (var key in data) {
|
|
var id, prop, index = key.lastIndexOf('.');
|
|
if (index > 0) { // an attribute has been specified
|
|
id = key.substring(0, index);
|
|
prop = key.substr(index + 1);
|
|
} else { // no attribute: assuming text content by default
|
|
id = key;
|
|
prop = gTextProp;
|
|
}
|
|
if (!gL10nData[id]) {
|
|
gL10nData[id] = {};
|
|
}
|
|
gL10nData[id][prop] = data[key];
|
|
}
|
|
|
|
// trigger callback
|
|
if (successCallback) {
|
|
successCallback();
|
|
}
|
|
});
|
|
}, failureCallback);
|
|
}
|
|
|
|
// load and parse all resources for the specified locale
|
|
function loadLocale(lang, callback) {
|
|
// RFC 4646, section 2.1 states that language tags have to be treated as
|
|
// case-insensitive. Convert to lowercase for case-insensitive comparisons.
|
|
if (lang) {
|
|
lang = lang.toLowerCase();
|
|
}
|
|
|
|
callback = callback || function _callback() {};
|
|
|
|
clear();
|
|
gLanguage = lang;
|
|
|
|
// check all <link type="application/l10n" href="..." /> nodes
|
|
// and load the resource files
|
|
var langLinks = getL10nResourceLinks();
|
|
var langCount = langLinks.length;
|
|
if (langCount === 0) {
|
|
// we might have a pre-compiled dictionary instead
|
|
var dict = getL10nDictionary();
|
|
if (dict && dict.locales && dict.default_locale) {
|
|
console.log('using the embedded JSON directory, early way out');
|
|
gL10nData = dict.locales[lang];
|
|
if (!gL10nData) {
|
|
var defaultLocale = dict.default_locale.toLowerCase();
|
|
for (var anyCaseLang in dict.locales) {
|
|
anyCaseLang = anyCaseLang.toLowerCase();
|
|
if (anyCaseLang === lang) {
|
|
gL10nData = dict.locales[lang];
|
|
break;
|
|
} else if (anyCaseLang === defaultLocale) {
|
|
gL10nData = dict.locales[defaultLocale];
|
|
}
|
|
}
|
|
}
|
|
callback();
|
|
} else {
|
|
console.log('no resource to load, early way out');
|
|
}
|
|
// early way out
|
|
fireL10nReadyEvent(lang);
|
|
gReadyState = 'complete';
|
|
return;
|
|
}
|
|
|
|
// start the callback when all resources are loaded
|
|
var onResourceLoaded = null;
|
|
var gResourceCount = 0;
|
|
onResourceLoaded = function() {
|
|
gResourceCount++;
|
|
if (gResourceCount >= langCount) {
|
|
callback();
|
|
fireL10nReadyEvent(lang);
|
|
gReadyState = 'complete';
|
|
}
|
|
};
|
|
|
|
// load all resource files
|
|
function L10nResourceLink(link) {
|
|
var href = link.href;
|
|
// Note: If |gAsyncResourceLoading| is false, then the following callbacks
|
|
// are synchronously called.
|
|
this.load = function(lang, callback) {
|
|
parseResource(href, lang, callback, function() {
|
|
console.warn(href + ' not found.');
|
|
// lang not found, used default resource instead
|
|
console.warn('"' + lang + '" resource not found');
|
|
gLanguage = '';
|
|
// Resource not loaded, but we still need to call the callback.
|
|
callback();
|
|
});
|
|
};
|
|
}
|
|
|
|
for (var i = 0; i < langCount; i++) {
|
|
var resource = new L10nResourceLink(langLinks[i]);
|
|
resource.load(lang, onResourceLoaded);
|
|
}
|
|
}
|
|
|
|
// clear all l10n data
|
|
function clear() {
|
|
gL10nData = {};
|
|
gTextData = '';
|
|
gLanguage = '';
|
|
// TODO: clear all non predefined macros.
|
|
// There's no such macro /yet/ but we're planning to have some...
|
|
}
|
|
|
|
|
|
/**
|
|
* Get rules for plural forms (shared with JetPack), see:
|
|
* http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/language_plural_rules.html
|
|
* https://github.com/mozilla/addon-sdk/blob/master/python-lib/plural-rules-generator.p
|
|
*
|
|
* @param {string} lang
|
|
* locale (language) used.
|
|
*
|
|
* @return {Function}
|
|
* returns a function that gives the plural form name for a given integer:
|
|
* var fun = getPluralRules('en');
|
|
* fun(1) -> 'one'
|
|
* fun(0) -> 'other'
|
|
* fun(1000) -> 'other'.
|
|
*/
|
|
|
|
function getPluralRules(lang) {
|
|
var locales2rules = {
|
|
'af': 3,
|
|
'ak': 4,
|
|
'am': 4,
|
|
'ar': 1,
|
|
'asa': 3,
|
|
'az': 0,
|
|
'be': 11,
|
|
'bem': 3,
|
|
'bez': 3,
|
|
'bg': 3,
|
|
'bh': 4,
|
|
'bm': 0,
|
|
'bn': 3,
|
|
'bo': 0,
|
|
'br': 20,
|
|
'brx': 3,
|
|
'bs': 11,
|
|
'ca': 3,
|
|
'cgg': 3,
|
|
'chr': 3,
|
|
'cs': 12,
|
|
'cy': 17,
|
|
'da': 3,
|
|
'de': 3,
|
|
'dv': 3,
|
|
'dz': 0,
|
|
'ee': 3,
|
|
'el': 3,
|
|
'en': 3,
|
|
'eo': 3,
|
|
'es': 3,
|
|
'et': 3,
|
|
'eu': 3,
|
|
'fa': 0,
|
|
'ff': 5,
|
|
'fi': 3,
|
|
'fil': 4,
|
|
'fo': 3,
|
|
'fr': 5,
|
|
'fur': 3,
|
|
'fy': 3,
|
|
'ga': 8,
|
|
'gd': 24,
|
|
'gl': 3,
|
|
'gsw': 3,
|
|
'gu': 3,
|
|
'guw': 4,
|
|
'gv': 23,
|
|
'ha': 3,
|
|
'haw': 3,
|
|
'he': 2,
|
|
'hi': 4,
|
|
'hr': 11,
|
|
'hu': 0,
|
|
'id': 0,
|
|
'ig': 0,
|
|
'ii': 0,
|
|
'is': 3,
|
|
'it': 3,
|
|
'iu': 7,
|
|
'ja': 0,
|
|
'jmc': 3,
|
|
'jv': 0,
|
|
'ka': 0,
|
|
'kab': 5,
|
|
'kaj': 3,
|
|
'kcg': 3,
|
|
'kde': 0,
|
|
'kea': 0,
|
|
'kk': 3,
|
|
'kl': 3,
|
|
'km': 0,
|
|
'kn': 0,
|
|
'ko': 0,
|
|
'ksb': 3,
|
|
'ksh': 21,
|
|
'ku': 3,
|
|
'kw': 7,
|
|
'lag': 18,
|
|
'lb': 3,
|
|
'lg': 3,
|
|
'ln': 4,
|
|
'lo': 0,
|
|
'lt': 10,
|
|
'lv': 6,
|
|
'mas': 3,
|
|
'mg': 4,
|
|
'mk': 16,
|
|
'ml': 3,
|
|
'mn': 3,
|
|
'mo': 9,
|
|
'mr': 3,
|
|
'ms': 0,
|
|
'mt': 15,
|
|
'my': 0,
|
|
'nah': 3,
|
|
'naq': 7,
|
|
'nb': 3,
|
|
'nd': 3,
|
|
'ne': 3,
|
|
'nl': 3,
|
|
'nn': 3,
|
|
'no': 3,
|
|
'nr': 3,
|
|
'nso': 4,
|
|
'ny': 3,
|
|
'nyn': 3,
|
|
'om': 3,
|
|
'or': 3,
|
|
'pa': 3,
|
|
'pap': 3,
|
|
'pl': 13,
|
|
'ps': 3,
|
|
'pt': 3,
|
|
'rm': 3,
|
|
'ro': 9,
|
|
'rof': 3,
|
|
'ru': 11,
|
|
'rwk': 3,
|
|
'sah': 0,
|
|
'saq': 3,
|
|
'se': 7,
|
|
'seh': 3,
|
|
'ses': 0,
|
|
'sg': 0,
|
|
'sh': 11,
|
|
'shi': 19,
|
|
'sk': 12,
|
|
'sl': 14,
|
|
'sma': 7,
|
|
'smi': 7,
|
|
'smj': 7,
|
|
'smn': 7,
|
|
'sms': 7,
|
|
'sn': 3,
|
|
'so': 3,
|
|
'sq': 3,
|
|
'sr': 11,
|
|
'ss': 3,
|
|
'ssy': 3,
|
|
'st': 3,
|
|
'sv': 3,
|
|
'sw': 3,
|
|
'syr': 3,
|
|
'ta': 3,
|
|
'te': 3,
|
|
'teo': 3,
|
|
'th': 0,
|
|
'ti': 4,
|
|
'tig': 3,
|
|
'tk': 3,
|
|
'tl': 4,
|
|
'tn': 3,
|
|
'to': 0,
|
|
'tr': 0,
|
|
'ts': 3,
|
|
'tzm': 22,
|
|
'uk': 11,
|
|
'ur': 3,
|
|
've': 3,
|
|
'vi': 0,
|
|
'vun': 3,
|
|
'wa': 4,
|
|
'wae': 3,
|
|
'wo': 0,
|
|
'xh': 3,
|
|
'xog': 3,
|
|
'yo': 0,
|
|
'zh': 0,
|
|
'zu': 3
|
|
};
|
|
|
|
// utility functions for plural rules methods
|
|
function isIn(n, list) {
|
|
return list.indexOf(n) !== -1;
|
|
}
|
|
function isBetween(n, start, end) {
|
|
return start <= n && n <= end;
|
|
}
|
|
|
|
// list of all plural rules methods:
|
|
// map an integer to the plural form name to use
|
|
var pluralRules = {
|
|
'0': function(n) {
|
|
return 'other';
|
|
},
|
|
'1': function(n) {
|
|
if ((isBetween((n % 100), 3, 10)))
|
|
return 'few';
|
|
if (n === 0)
|
|
return 'zero';
|
|
if ((isBetween((n % 100), 11, 99)))
|
|
return 'many';
|
|
if (n == 2)
|
|
return 'two';
|
|
if (n == 1)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'2': function(n) {
|
|
if (n !== 0 && (n % 10) === 0)
|
|
return 'many';
|
|
if (n == 2)
|
|
return 'two';
|
|
if (n == 1)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'3': function(n) {
|
|
if (n == 1)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'4': function(n) {
|
|
if ((isBetween(n, 0, 1)))
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'5': function(n) {
|
|
if ((isBetween(n, 0, 2)) && n != 2)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'6': function(n) {
|
|
if (n === 0)
|
|
return 'zero';
|
|
if ((n % 10) == 1 && (n % 100) != 11)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'7': function(n) {
|
|
if (n == 2)
|
|
return 'two';
|
|
if (n == 1)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'8': function(n) {
|
|
if ((isBetween(n, 3, 6)))
|
|
return 'few';
|
|
if ((isBetween(n, 7, 10)))
|
|
return 'many';
|
|
if (n == 2)
|
|
return 'two';
|
|
if (n == 1)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'9': function(n) {
|
|
if (n === 0 || n != 1 && (isBetween((n % 100), 1, 19)))
|
|
return 'few';
|
|
if (n == 1)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'10': function(n) {
|
|
if ((isBetween((n % 10), 2, 9)) && !(isBetween((n % 100), 11, 19)))
|
|
return 'few';
|
|
if ((n % 10) == 1 && !(isBetween((n % 100), 11, 19)))
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'11': function(n) {
|
|
if ((isBetween((n % 10), 2, 4)) && !(isBetween((n % 100), 12, 14)))
|
|
return 'few';
|
|
if ((n % 10) === 0 ||
|
|
(isBetween((n % 10), 5, 9)) ||
|
|
(isBetween((n % 100), 11, 14)))
|
|
return 'many';
|
|
if ((n % 10) == 1 && (n % 100) != 11)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'12': function(n) {
|
|
if ((isBetween(n, 2, 4)))
|
|
return 'few';
|
|
if (n == 1)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'13': function(n) {
|
|
if ((isBetween((n % 10), 2, 4)) && !(isBetween((n % 100), 12, 14)))
|
|
return 'few';
|
|
if (n != 1 && (isBetween((n % 10), 0, 1)) ||
|
|
(isBetween((n % 10), 5, 9)) ||
|
|
(isBetween((n % 100), 12, 14)))
|
|
return 'many';
|
|
if (n == 1)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'14': function(n) {
|
|
if ((isBetween((n % 100), 3, 4)))
|
|
return 'few';
|
|
if ((n % 100) == 2)
|
|
return 'two';
|
|
if ((n % 100) == 1)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'15': function(n) {
|
|
if (n === 0 || (isBetween((n % 100), 2, 10)))
|
|
return 'few';
|
|
if ((isBetween((n % 100), 11, 19)))
|
|
return 'many';
|
|
if (n == 1)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'16': function(n) {
|
|
if ((n % 10) == 1 && n != 11)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'17': function(n) {
|
|
if (n == 3)
|
|
return 'few';
|
|
if (n === 0)
|
|
return 'zero';
|
|
if (n == 6)
|
|
return 'many';
|
|
if (n == 2)
|
|
return 'two';
|
|
if (n == 1)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'18': function(n) {
|
|
if (n === 0)
|
|
return 'zero';
|
|
if ((isBetween(n, 0, 2)) && n !== 0 && n != 2)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'19': function(n) {
|
|
if ((isBetween(n, 2, 10)))
|
|
return 'few';
|
|
if ((isBetween(n, 0, 1)))
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'20': function(n) {
|
|
if ((isBetween((n % 10), 3, 4) || ((n % 10) == 9)) && !(
|
|
isBetween((n % 100), 10, 19) ||
|
|
isBetween((n % 100), 70, 79) ||
|
|
isBetween((n % 100), 90, 99)
|
|
))
|
|
return 'few';
|
|
if ((n % 1000000) === 0 && n !== 0)
|
|
return 'many';
|
|
if ((n % 10) == 2 && !isIn((n % 100), [12, 72, 92]))
|
|
return 'two';
|
|
if ((n % 10) == 1 && !isIn((n % 100), [11, 71, 91]))
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'21': function(n) {
|
|
if (n === 0)
|
|
return 'zero';
|
|
if (n == 1)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'22': function(n) {
|
|
if ((isBetween(n, 0, 1)) || (isBetween(n, 11, 99)))
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'23': function(n) {
|
|
if ((isBetween((n % 10), 1, 2)) || (n % 20) === 0)
|
|
return 'one';
|
|
return 'other';
|
|
},
|
|
'24': function(n) {
|
|
if ((isBetween(n, 3, 10) || isBetween(n, 13, 19)))
|
|
return 'few';
|
|
if (isIn(n, [2, 12]))
|
|
return 'two';
|
|
if (isIn(n, [1, 11]))
|
|
return 'one';
|
|
return 'other';
|
|
}
|
|
};
|
|
|
|
// return a function that gives the plural form name for a given integer
|
|
var index = locales2rules[lang.replace(/-.*$/, '')];
|
|
if (!(index in pluralRules)) {
|
|
console.warn('plural form unknown for [' + lang + ']');
|
|
return function() { return 'other'; };
|
|
}
|
|
return pluralRules[index];
|
|
}
|
|
|
|
// pre-defined 'plural' macro
|
|
gMacros.plural = function(str, param, key, prop) {
|
|
var n = parseFloat(param);
|
|
if (isNaN(n))
|
|
return str;
|
|
|
|
// TODO: support other properties (l20n still doesn't...)
|
|
if (prop != gTextProp)
|
|
return str;
|
|
|
|
// initialize _pluralRules
|
|
if (!gMacros._pluralRules) {
|
|
gMacros._pluralRules = getPluralRules(gLanguage);
|
|
}
|
|
var index = '[' + gMacros._pluralRules(n) + ']';
|
|
|
|
// try to find a [zero|one|two] key if it's defined
|
|
if (n === 0 && (key + '[zero]') in gL10nData) {
|
|
str = gL10nData[key + '[zero]'][prop];
|
|
} else if (n == 1 && (key + '[one]') in gL10nData) {
|
|
str = gL10nData[key + '[one]'][prop];
|
|
} else if (n == 2 && (key + '[two]') in gL10nData) {
|
|
str = gL10nData[key + '[two]'][prop];
|
|
} else if ((key + index) in gL10nData) {
|
|
str = gL10nData[key + index][prop];
|
|
} else if ((key + '[other]') in gL10nData) {
|
|
str = gL10nData[key + '[other]'][prop];
|
|
}
|
|
|
|
return str;
|
|
};
|
|
|
|
|
|
/**
|
|
* l10n dictionary functions
|
|
*/
|
|
|
|
// fetch an l10n object, warn if not found, apply `args' if possible
|
|
function getL10nData(key, args, fallback) {
|
|
var data = gL10nData[key];
|
|
if (!data) {
|
|
console.warn('#' + key + ' is undefined.');
|
|
if (!fallback) {
|
|
return null;
|
|
}
|
|
data = fallback;
|
|
}
|
|
|
|
/** This is where l10n expressions should be processed.
|
|
* The plan is to support C-style expressions from the l20n project;
|
|
* until then, only two kinds of simple expressions are supported:
|
|
* {[ index ]} and {{ arguments }}.
|
|
*/
|
|
var rv = {};
|
|
for (var prop in data) {
|
|
var str = data[prop];
|
|
str = substIndexes(str, args, key, prop);
|
|
str = substArguments(str, args, key);
|
|
rv[prop] = str;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
// replace {[macros]} with their values
|
|
function substIndexes(str, args, key, prop) {
|
|
var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
|
|
var reMatch = reIndex.exec(str);
|
|
if (!reMatch || !reMatch.length)
|
|
return str;
|
|
|
|
// an index/macro has been found
|
|
// Note: at the moment, only one parameter is supported
|
|
var macroName = reMatch[1];
|
|
var paramName = reMatch[2];
|
|
var param;
|
|
if (args && paramName in args) {
|
|
param = args[paramName];
|
|
} else if (paramName in gL10nData) {
|
|
param = gL10nData[paramName];
|
|
}
|
|
|
|
// there's no macro parser yet: it has to be defined in gMacros
|
|
if (macroName in gMacros) {
|
|
var macro = gMacros[macroName];
|
|
str = macro(str, param, key, prop);
|
|
}
|
|
return str;
|
|
}
|
|
|
|
// replace {{arguments}} with their values
|
|
function substArguments(str, args, key) {
|
|
var reArgs = /\{\{\s*(.+?)\s*\}\}/g;
|
|
return str.replace(reArgs, function(matched_text, arg) {
|
|
if (args && arg in args) {
|
|
return args[arg];
|
|
}
|
|
if (arg in gL10nData) {
|
|
return gL10nData[arg];
|
|
}
|
|
console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');
|
|
return matched_text;
|
|
});
|
|
}
|
|
|
|
// translate an HTML element
|
|
function translateElement(element) {
|
|
var l10n = getL10nAttributes(element);
|
|
if (!l10n.id)
|
|
return;
|
|
|
|
// get the related l10n object
|
|
var data = getL10nData(l10n.id, l10n.args);
|
|
if (!data) {
|
|
console.warn('#' + l10n.id + ' is undefined.');
|
|
return;
|
|
}
|
|
|
|
// translate element (TODO: security checks?)
|
|
if (data[gTextProp]) { // XXX
|
|
if (getChildElementCount(element) === 0) {
|
|
element[gTextProp] = data[gTextProp];
|
|
} else {
|
|
// this element has element children: replace the content of the first
|
|
// (non-empty) child textNode and clear other child textNodes
|
|
var children = element.childNodes;
|
|
var found = false;
|
|
for (var i = 0, l = children.length; i < l; i++) {
|
|
if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) {
|
|
if (found) {
|
|
children[i].nodeValue = '';
|
|
} else {
|
|
children[i].nodeValue = data[gTextProp];
|
|
found = true;
|
|
}
|
|
}
|
|
}
|
|
// if no (non-empty) textNode is found, insert a textNode before the
|
|
// first element child.
|
|
if (!found) {
|
|
var textNode = document.createTextNode(data[gTextProp]);
|
|
element.insertBefore(textNode, element.firstChild);
|
|
}
|
|
}
|
|
delete data[gTextProp];
|
|
}
|
|
|
|
for (var k in data) {
|
|
element[k] = data[k];
|
|
}
|
|
}
|
|
|
|
// webkit browsers don't currently support 'children' on SVG elements...
|
|
function getChildElementCount(element) {
|
|
if (element.children) {
|
|
return element.children.length;
|
|
}
|
|
if (typeof element.childElementCount !== 'undefined') {
|
|
return element.childElementCount;
|
|
}
|
|
var count = 0;
|
|
for (var i = 0; i < element.childNodes.length; i++) {
|
|
count += element.nodeType === 1 ? 1 : 0;
|
|
}
|
|
return count;
|
|
}
|
|
|
|
// translate an HTML subtree
|
|
function translateFragment(element) {
|
|
element = element || document.documentElement;
|
|
|
|
// check all translatable children (= w/ a `data-l10n-id' attribute)
|
|
var children = getTranslatableChildren(element);
|
|
var elementCount = children.length;
|
|
for (var i = 0; i < elementCount; i++) {
|
|
translateElement(children[i]);
|
|
}
|
|
|
|
// translate element itself if necessary
|
|
translateElement(element);
|
|
}
|
|
|
|
return {
|
|
// get a localized string
|
|
get: function(key, args, fallbackString) {
|
|
var index = key.lastIndexOf('.');
|
|
var prop = gTextProp;
|
|
if (index > 0) { // An attribute has been specified
|
|
prop = key.substr(index + 1);
|
|
key = key.substring(0, index);
|
|
}
|
|
var fallback;
|
|
if (fallbackString) {
|
|
fallback = {};
|
|
fallback[prop] = fallbackString;
|
|
}
|
|
var data = getL10nData(key, args, fallback);
|
|
if (data && prop in data) {
|
|
return data[prop];
|
|
}
|
|
return '{{' + key + '}}';
|
|
},
|
|
|
|
// debug
|
|
getData: function() { return gL10nData; },
|
|
getText: function() { return gTextData; },
|
|
|
|
// get|set the document language
|
|
getLanguage: function() { return gLanguage; },
|
|
setLanguage: function(lang, callback) {
|
|
loadLocale(lang, function() {
|
|
if (callback)
|
|
callback();
|
|
translateFragment();
|
|
});
|
|
},
|
|
|
|
// get the direction (ltr|rtl) of the current language
|
|
getDirection: function() {
|
|
// http://www.w3.org/International/questions/qa-scripts
|
|
// Arabic, Hebrew, Farsi, Pashto, Urdu
|
|
var rtlList = ['ar', 'he', 'fa', 'ps', 'ur'];
|
|
var shortCode = gLanguage.split('-', 1)[0];
|
|
return (rtlList.indexOf(shortCode) >= 0) ? 'rtl' : 'ltr';
|
|
},
|
|
|
|
// translate an element or document fragment
|
|
translate: translateFragment,
|
|
|
|
// this can be used to prevent race conditions
|
|
getReadyState: function() { return gReadyState; },
|
|
ready: function(callback) {
|
|
if (!callback) {
|
|
return;
|
|
} else if (gReadyState == 'complete' || gReadyState == 'interactive') {
|
|
window.setTimeout(function() {
|
|
callback();
|
|
});
|
|
} else if (document.addEventListener) {
|
|
document.addEventListener('localized', function once() {
|
|
document.removeEventListener('localized', once);
|
|
callback();
|
|
});
|
|
}
|
|
}
|
|
};
|
|
}) (window, document);
|