import java.util.Locale;

import java.util.HashMap;

/*

* This class dumps relevant information from the java.util.Locale metadata into

* a Python format.

*/

class DumpLocale {

private static final char SINGLE_QUOTE = 39;

private static final char[] hexChar = {'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'};

private static boolean python3 = false;

/* Print a Unicode name suitably escaped */

private static void printName(String name) {

if (python3) {

System.out.print("'");

} else {

System.out.print("u'");

}

// Need to escape unicode data

for (int ii=0; ii<name.length(); ii++) {

char c = name.charAt(ii);

if ((c >= 32) && (c < 127)) {

if (c == SINGLE_QUOTE) {

System.out.print("\\'");

} else {

System.out.print(c);

}

} else {

// non-ASCII

System.out.print("\\u");

System.out.print(hexChar[(c >> 12) & 0xF]);

System.out.print(hexChar[(c >> 8) & 0xF]);

System.out.print(hexChar[(c >> 4) & 0xF]);

System.out.print(hexChar[c & 0xF]);

}

}

System.out.print("'");

}

private static void printProperty(String propName) {

String propVal = System.getProperty(propName, null);

if (propVal != null) {

System.out.println(" " + propName + "=" + propVal);

}

}

private static void printProlog() {

System.out.println("\"\"\"Locale information.");

System.out.println("Holds a map from ISO 3166-1 country code (e.g. GB) to a dict.");

System.out.println("Each dict maps from an ISO 639-1 language code (e.g. ja) to the country's name in that language.");

System.out.println("");

System.out.println("Generated from java.util.Locale, generation info:");

printProperty("java.version");

printProperty("java.vendor");

printProperty("os.name");

printProperty("os.arch");

printProperty("os.version");

System.out.println("");

System.out.println("Auto-generated file, do not edit by hand.");

System.out.println("\"\"\"");

}

public static void main(String[] args) {

// Check for mode

if (args.length > 0 && args[0].equals("-python3")) python3 = true;

printProlog();

System.out.println("LOCALE_DATA = {");

String[] all_countries = Locale.getISOCountries();

String[] all_langs = Locale.getISOLanguages();

// Name => first language code that maps to that name

HashMap<String, String> name_to_lang = new HashMap<String, String>();

for (String country: all_countries) {

System.out.print(" '"+country+"': {");

Locale country_locale = new Locale("", country);

for (String lang: all_langs) {

Locale lang_locale = new Locale(lang);

String country_in_lang = country_locale.getDisplayCountry(lang_locale);

if ((country_in_lang != null) && (country_in_lang.length() != 0)) {

String previous_lang = name_to_lang.get(country_in_lang);

if (previous_lang != null) {

// Already seen this name before. Print the name as "*<otherlang>"

// on the assumption that this will save a lot of space (about 30%)

System.out.print("'"+lang+"':");

System.out.print("'*"+previous_lang+"'");

System.out.print(",");

} else {

// First time we've seen this name

name_to_lang.put(country_in_lang, lang);

System.out.print("'"+lang+"':");

printName(country_in_lang);

System.out.print(",");

}

}

}

System.out.println("},");

}

System.out.println("}");

}

}