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cldr.js
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cldr.js
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var stream = require("narwhal/term").stream,
FILE = require("file");
var CLDR_SRC_DIR = "cldr",
CLDR_DST_DIR = "Resources/locales",
CLDR_INITIAL_LOCALES = [ ],
CLDR_INITIAL_LOCALES_REGEXP = new RegExp("^(" + CLDR_INITIAL_LOCALES.join("|") + ")$"),
CLDRData = {},
CPLocaleData = {
locales:{},
available:[],
loaded:[],
languages:[],
countries:{},
territories:[]
};
CPLocaleIdentifier = "CPLocaleIdentifier";
CPLocaleLanguageCode = "CPLocaleLanguageCode";
CPLocaleCountryCode = "CPLocaleCountryCode";
CPLocaleScriptCode = "CPLocaleScriptCode";
CPLocaleVariantCode = "CPLocaleVariantCode";
CPLocaleExemplarCharacterSet = "CPLocaleExemplarCharacterSet";
CPLocaleCalendar = "CPLocaleCalendar";
CPLocaleCollationIdentifier = "CPLocaleCollationIdentifier";
CPLocaleUsesMetricSystem = "CPLocaleUsesMetricSystem";
CPLocaleMeasurementSystem = "CPLocaleMeasurementSystem";
CPLocaleDecimalSeparator = "CPLocaleDecimalSeparator";
CPLocaleGroupingSeparator = "CPLocaleGroupingSeparator";
CPLocaleCurrencySymbol = "CPLocaleCurrencySymbol";
CPLocaleCurrencyCode = "CPLocaleCurrencyCode";
CPLocaleCollatorIdentifier = "CPLocaleCollatorIdentifier";
CPLocaleQuotationBeginDelimiterKey = "CPLocaleQuotationBeginDelimiterKey";
CPLocaleQuotationEndDelimiterKey = "CPLocaleQuotationEndDelimiterKey";
CPLocaleAlternateQuotationBeginDelimiterKey = "CPLocaleAlternateQuotationBeginDelimiterKey";
CPLocaleAlternateQuotationEndDelimiterKey = "CPLocaleAlternateQuotationEndDelimiterKey";
CPGregorianCalendar = "CPGregorianCalendar";
CPBuddhistCalendar = "CPBuddhistCalendar";
CPChineseCalendar = "CPChineseCalendar";
CPHebrewCalendar = "CPHebrewCalendar";
CPIslamicCalendar = "CPIslamicCalendar";
CPIslamicCivilCalendar = "CPIslamicCivilCalendar";
CPJapaneseCalendar = "CPJapaneseCalendar";
CPRepublicOfChinaCalendar = "CPRepublicOfChinaCalendar";
CPPersianCalendar = "CPPersianCalendar";
CPIndianCalendar = "CPIndianCalendar";
CPISO8601Calendar = "CPISO8601Calendar";
CPLocaleLanguageDirectionUnknown = "CPLocaleLanguageDirectionUnknown";
CPLocaleLanguageDirectionLeftToRight = "CPLocaleLanguageDirectionLeftToRight";
CPLocaleLanguageDirectionRightToLeft = "CPLocaleLanguageDirectionRightToLeft";
CPLocaleLanguageDirectionTopToBottom = "CPLocaleLanguageDirectionTopToBottom";
CPLocaleLanguageDirectionBottomToTop = "CPLocaleLanguageDirectionBottomToTop";
var createCPLocalePropertyLists = function() {
readCldrData();
storeLocale("DEBUG", CLDRData); // Debug
for(var localeIdentifier in CLDRData.main)
transformCldrLocaleToCPLocale(localeIdentifier);
fillCountryData();
storeInitial();
for (var languageIndex = 0; languageIndex < CPLocaleData.languages.length; languageIndex++)
storeLanguage(CPLocaleData.languages[languageIndex]);
};
var storeInitial = function()
{
var data = { locales:{} };
for(var key in CPLocaleData)
{
if (key != "locales")
data[key] = CPLocaleData[key];
else
for (var localeIdentifier in CPLocaleData.locales)
if (localeIdentifier == "root" || localeIdentifier.match(CLDR_INITIAL_LOCALES_REGEXP))
data.locales[localeIdentifier] = CPLocaleData.locales[localeIdentifier];
}
storeLocale("initial", data);
};
var storeLanguage = function(languageIdentifier)
{
var data = { locales:{} };
for (var localeIdentifier in CPLocaleData.locales)
if (!(localeIdentifier.match(CLDR_INITIAL_LOCALES_REGEXP)) && localeIdentifier.match(new RegExp("^" + languageIdentifier + ".*$")))
data.locales[localeIdentifier] = CPLocaleData.locales[localeIdentifier];
storeLocale(languageIdentifier, data);
}
var readCldrData = function () {
var jsonFileMatch = /^.*json$/;
FILE.listTree(FILE.join(CLDR_SRC_DIR)).forEach(function (filename){
if (filename.match(jsonFileMatch))
{
var filename = FILE.join(CLDR_SRC_DIR, filename),
file = FILE.open(filename, "rb");
try {
var contents = file.read(),
stringContents = contents.decodeToString("utf-8"),
json = JSON.parse(stringContents);
colorPrint("Loaded " + filename, "bold+green");
CLDRData = mergeRecursive(CLDRData, json);
} finally {
file.close();
}
}
});
};
var transformCldrLocaleToCPLocale = function(localeIdentifier) {
var cldrLocale = CLDRData.main[localeIdentifier],
cpLocale = { _localeDisplayNames:{} },
cpLocaleIdentifier = cleanLocaleIdentifier(localeIdentifier),
temp;
cpLocale[CPLocaleIdentifier] = cpLocaleIdentifier;
var identityData = cldrLocale.identity;
if (temp = identityData.language)
{
cpLocale[CPLocaleLanguageCode] = temp;
CPLocaleData.languages = unique(CPLocaleData.languages.concat(temp));
}
if (temp = identityData.territory)
cpLocale[CPLocaleCountryCode] = temp;
if (temp = identityData.script)
cpLocale[CPLocaleScriptCode] = temp;
if (temp = identityData.variant)
cpLocale[CPLocaleVariantCode] = temp
if (temp = keyPath(cldrLocale, "characters.exemplarCharacters"))
cpLocale["_CPLocaleExemplarCharacterSetString"] = temp.split(/[\[\]\s]/).join("");
if (temp = keyPath(cldrLocale, "numbers.symbols-numberSystem-latn.decimal"))
cpLocale[CPLocaleDecimalSeparator] = temp;
if (temp = keyPath(cldrLocale, "numbers.symbols-numberSystem-latn.group"))
cpLocale[CPLocaleGroupingSeparator] = temp;
if (temp = keyPath(cldrLocale, "delimiters.quotationStart"))
cpLocale[CPLocaleQuotationBeginDelimiterKey] = temp;
if (temp = keyPath(cldrLocale, "delimiters.quotationEnd"))
cpLocale[CPLocaleQuotationEndDelimiterKey] = temp;
if (temp = keyPath(cldrLocale, "delimiters.alternateQuotationStart"))
cpLocale[CPLocaleAlternateQuotationBeginDelimiterKey] = temp;
if (temp = keyPath(cldrLocale, "delimiters.alternateQuotationEnd"))
cpLocale[CPLocaleAlternateQuotationEndDelimiterKey] = temp;
if (temp = keyPath(cldrLocale, "localeDisplayNames.languages"))
cpLocale["_localeDisplayNames"][CPLocaleLanguageCode] = temp;
if (temp = keyPath(cldrLocale, "localeDisplayNames.territories"))
cpLocale["_localeDisplayNames"][CPLocaleCountryCode] = temp;
if (temp = keyPath(cldrLocale, "localeDisplayNames.localeDisplayPattern"))
for (var key in temp)
cpLocale["_localeDisplayNames"][key] = convertPositionalParameter(temp[key]);
CPLocaleData.locales[cpLocaleIdentifier] = cpLocale;
CPLocaleData.available = CPLocaleData.available.concat(cpLocaleIdentifier);
colorPrint("Transformed " + cpLocaleIdentifier, "bold+green");
};
var fillCountryData = function() {
var cldrRootLocale = CLDRData.main.root,
cldrSupplemental = CLDRData.supplemental,
currencies;
for (var countryCode in cldrSupplemental.territoryInfo)
{
CPLocaleData.countries[countryCode] = {};
var currencies = keyPath(cldrSupplemental, "currencyData.region." + countryCode);
if (currencies)
{
var currencyCode = currentCurrencyCode(currencies);
if (currencyCode)
{
CPLocaleData.countries[countryCode][CPLocaleCurrencyCode] = currencyCode;
var currencySymbol;
if ( (currencySymbol = keyPath(cldrRootLocale, "numbers.currencies." + currencyCode + ".symbol-alt-narrow")) || (currencySymbol = keyPath(cldrRootLocale, "numbers.currencies." + currencyCode + ".symbol")) )
CPLocaleData.countries[countryCode][CPLocaleCurrencySymbol] = currencySymbol;
}
}
}
for (var territoryCode in cldrSupplemental.territoryContainment)
{
var contains = keyPath(cldrSupplemental, "territoryContainment." + territoryCode);
if (contains)
print(territoryCode + " contains " + JSON.stringify(contains))
}
};
var currentCurrencyCode = function(currencies) {
var code;
for (var index = 0; index < currencies.length; index++)
{
for (var currencyCode in currencies[index])
{
var currencyInfo = currencies[index][currencyCode]
if (currencyInfo["_tender"] != "false" && !currencyInfo["_to"])
code = currencyCode;
}
}
return code;
};
var cleanLocaleIdentifier = function(localeIdentifier) {
return localeIdentifier.split(/[-_]/).join("_");
};
// ******** Helper functions
var mergeRecursive = function(obj1, obj2) {
for (var p in obj2) {
try {
// Property in destination object set; update its value.
if ( obj2[p].constructor==Object ) {
obj1[p] = mergeRecursive(obj1[p], obj2[p]);
} else {
obj1[p] = obj2[p];
}
} catch(e) {
// Property in destination object not set; create it and set its value.
obj1[p] = obj2[p];
}
}
return obj1;
};
var colorPrint = function(message, color)
{
var matches = color.match(/(bold(?: |\+))?(.+)/);
if (!matches)
return;
message = "\0" + matches[2] + "(" + message + "\0)";
if (matches[1])
message = "\0bold(" + message + "\0)";
stream.print(message);
};
var CFType = function(value) {
if (value instanceof Array)
return value.map(function(each){return CFType(each)});
if (typeof value == "object")
{
var dic = new CFMutableDictionary();
for (var key in value) {
dic.addValueForKey(key, CFType(value[key]));
}
return dic;
}
return value;
};
var storeLocale = function (filename, data)
{
colorPrint("Storing " + filename, "bold+green");
chunkedSave(FILE.join(CLDR_DST_DIR, filename + ".plist"), CFPropertyList.stringFromPropertyList(CFType(data)));
chunkedSave(FILE.join(CLDR_DST_DIR, filename + ".json"), JSON.stringify(data));
};
var chunkedSave = function (filename, string) {
// Writing directly throws a segmentation fault - paged writing does not ...
// A simple FILE.write(filename, string) /should/ be sufficient here ...
var file = FILE.open(filename, "wb"),
PAGE_SIZE = Math.pow(2,21);
try {
for (var position=0; position < string.length; position = position + PAGE_SIZE)
file.write(string.substr(position, PAGE_SIZE));
} finally {
file.close();
}
};
var keyPath = function(hash, keyPath) {
var keys = keyPath.split(".");
for (var index = 0; index < keys.length; index++) {
try {
hash = hash[keys[index]];
} catch(e) {
return undefined;
}
}
return hash;
};
var unique = function(array) {
var unique = [];
for (var i = 0; i < array.length; i++) {
if (unique.indexOf(array[i]) == -1) {
unique.push(array[i]);
}
}
return unique;
};
var convertPositionalParameter = function(string) {
for (var index = 0; index < 10; index++)
string = string.replace(new RegExp("\\\{" + index + "\\\}"), "%" + (index + 1) + "$@");
return string;
};
/*
String.prototype.capitalize = function() {
return this.replace(/(?:^|\s)\S/g, function(a) { return a.toUpperCase(); });
};
*/
exports.create = createCPLocalePropertyLists;