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op-pedal/src/LocaleTest.cpp
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Robin E. R. Davies 80ce9097f2 Dynamically load icu (Ubuntu)
2024-11-27 00:22:59 -05:00

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// Copyright (c) 2022 Robin Davies
//
// 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.
#include "pch.h"
#include "catch.hpp"
#include <string>
#include <memory>
#include <unicode/locid.h> // before Locale.hpp
#include <unicode/unistr.h>
#include <unicode/coleitr.h>
#include <unicode/coll.h>
#include "Locale.hpp"
#include <iostream>
#include <vector>
#include <algorithm>
using namespace pipedal;
using namespace std;
static std::string ToUtf8(const icu::UnicodeString &value)
{
std::string result;
icu::StringByteSink<std::string> sink(&result);
value.toUTF8(sink);
sink.Flush();
return result;
}
class LocaleEnumerator {
public:
// Enumerate all available locales
static std::vector<std::string> getAllLocales() {
std::vector<std::string> locales;
// Get the number of available locales
int32_t count = 0;
const icu::Locale* availableLocales = icu::Locale::getAvailableLocales(count);
for (int32_t i = 0; i < count; ++i) {
const icu::Locale& locale = availableLocales[i];
// Construct full locale name
std::string localeName = constructLocaleName(locale);
locales.push_back(localeName);
}
// Sort locales alphabetically
std::sort(locales.begin(), locales.end());
return locales;
}
// Detailed locale information
static void printLocaleDetails(const std::string& localeName) {
try {
icu::Locale locale(localeName.c_str());
// Display locale information
std::cout << "Locale: " << localeName << "\n";
// Language display name
icu::UnicodeString languageName;
locale.getDisplayLanguage(locale, languageName);
std::cout << " Language: " << ToUtf8(languageName) << "\n";
// Country display name
icu::UnicodeString countryName;
locale.getDisplayCountry(locale, countryName);
std::cout << " Country: " << ToUtf8(countryName) << "\n";
// Variant information
icu::UnicodeString variantName;
locale.getDisplayVariant(locale, variantName);
if (!variantName.isEmpty()) {
std::cout << " Variant: " << ToUtf8(variantName) << "\n";
}
UErrorCode status = U_ZERO_ERROR;
std::unique_ptr<icu::Collator> collator(icu::Collator::createInstance(localeName.c_str(),status));
icu::Collator::ECollationStrength strength = collator->getStrength();
std::cout << " Default strength: " << strength << "\n";
}
catch (const std::exception& e) {
std::cerr << "Error processing locale " << localeName << ": " << e.what() << std::endl;
}
}
// Enumerate locales by language or country
static std::vector<std::string> getLocalesByLanguage(const std::string& language) {
std::vector<std::string> matchingLocales;
int32_t count = 0;
const icu::Locale* availableLocales = icu::Locale::getAvailableLocales(count);
for (int32_t i = 0; i < count; ++i) {
const icu::Locale& locale = availableLocales[i];
if (language == locale.getLanguage()) {
std::string localeName = constructLocaleName(locale);
matchingLocales.push_back(localeName);
}
}
std::sort(matchingLocales.begin(), matchingLocales.end());
return matchingLocales;
}
private:
// Construct a comprehensive locale name
static std::string constructLocaleName(const icu::Locale& locale) {
std::string localeName;
const char* lang = locale.getLanguage();
const char* country = locale.getCountry();
const char* variant = locale.getVariant();
if (lang && *lang) {
localeName += lang;
if (country && *country) {
localeName += "_";
localeName += country;
if (variant && *variant) {
localeName += ".";
localeName += variant;
}
}
}
return localeName;
}
};
int enumerateLocales() {
try {
// Get and print total number of available locales
int32_t count = 0;
icu::Locale::getAvailableLocales(count);
std::cout << "Total Available Locales: " << count << "\n\n";
// Demonstrate different locale enumeration methods
// 1. Get all locales
std::vector<std::string> allLocales = LocaleEnumerator::getAllLocales();
for (size_t i = 0; i < allLocales.size(); ++i) {
std::cout << allLocales[i] << "\n";
}
// 2. Get locales by specific language (e.g., English)
std::cout << "\nFrench Locales:\n";
std::vector<std::string> englishLocales = LocaleEnumerator::getLocalesByLanguage("fr");
for (const auto& locale : englishLocales) {
std::cout << locale << "\n";
}
// 3. Detailed information for a specific locale
std::cout << "\nDetailed Locale Information:\n";
LocaleEnumerator::printLocaleDetails("en_US");
}
catch (const std::exception& e) {
std::cerr << "Error: " << e.what() << std::endl;
return 1;
}
return 0;
}
void printSortOptions(const std::string&localeName)
{
UErrorCode status = U_ZERO_ERROR;
std::unique_ptr<icu::Collator> collator(icu::Collator::createInstance(localeName.c_str(),status));
}
void u16Test() {
{
Locale::ptr locale = Locale::GetTestInstance("en_US");
REQUIRE(locale->GetCollator()->Compare(u"ÄbcAe",u"Abcde") < 0); // standard sort order, not phone-book sort order.
REQUIRE(locale->GetCollator()->Compare(u"Äbcdefg",u"Abcde") > 0); // standard sort order, not phone-book sort order.
REQUIRE(locale->GetCollator()->Compare(u"Ä",u"A") == 0); // standard sort order, not phone-book sort order.
REQUIRE(locale->GetCollator()->Compare(u"A",u"b") < 0);
REQUIRE(locale->GetCollator()->Compare(u"B",u"a") > 0);
REQUIRE(locale->GetCollator()->Compare(u"A",u"a") == 0);
REQUIRE(locale->GetCollator()->Compare(u"c",u"ç") == 0);
REQUIRE(locale->GetCollator()->Compare(u"e",u"è") == 0);
}
{
Locale::ptr locale = Locale::GetTestInstance("fr_FR");
REQUIRE(locale->GetCollator()->Compare(u"Ä",u"A") == 0); // standard sort order, not phone-book sort order.
REQUIRE(locale->GetCollator()->Compare(u"A",u"b") < 0);
REQUIRE(locale->GetCollator()->Compare(u"B",u"a") > 0);
REQUIRE(locale->GetCollator()->Compare(u"A",u"a") == 0);
REQUIRE(locale->GetCollator()->Compare(u"c",u"ç") == 0);
REQUIRE(locale->GetCollator()->Compare(u"e",u"è") == 0);
}
{
Locale::ptr locale = Locale::GetTestInstance("de_DE");
REQUIRE(locale->GetCollator()->Compare(u"Ä",u"A") == 0); // standard sort order, not phone-book sort order.
REQUIRE(locale->GetCollator()->Compare(u"A",u"b") < 0);
REQUIRE(locale->GetCollator()->Compare(u"B",u"a") > 0);
REQUIRE(locale->GetCollator()->Compare(u"A",u"a") == 0);
REQUIRE(locale->GetCollator()->Compare(u"c",u"ç") == 0);
REQUIRE(locale->GetCollator()->Compare(u"e",u"è") == 0);
}
{
Locale::ptr locale = Locale::GetTestInstance("da_DK");
REQUIRE(locale->GetCollator()->Compare(u"Å",u"Z") > 0);
}
}
void u8Test() {
{
Locale::ptr locale = Locale::GetTestInstance("en_US");
REQUIRE(locale->GetCollator()->Compare("Äbcae","Abcde") < 0); // standard sort order, not phone-book sort order.
REQUIRE(locale->GetCollator()->Compare("Ä","A") == 0); // standard sort order, not phone-book sort order.
REQUIRE(locale->GetCollator()->Compare("A","b") < 0);
REQUIRE(locale->GetCollator()->Compare("B","a") > 0);
REQUIRE(locale->GetCollator()->Compare("A","a") == 0);
REQUIRE(locale->GetCollator()->Compare("c","ç") == 0);
REQUIRE(locale->GetCollator()->Compare("e","è") == 0);
}
{
Locale::ptr locale = Locale::GetTestInstance("fr_FR");
REQUIRE(locale->GetCollator()->Compare("Ä","A") == 0); // standard sort order, not phone-book sort order.
REQUIRE(locale->GetCollator()->Compare("A","b") < 0);
REQUIRE(locale->GetCollator()->Compare("B","a") > 0);
REQUIRE(locale->GetCollator()->Compare("A","a") == 0);
REQUIRE(locale->GetCollator()->Compare("c","ç") == 0);
REQUIRE(locale->GetCollator()->Compare("e","è") == 0);
}
{
Locale::ptr locale = Locale::GetTestInstance("de_DE");
REQUIRE(locale->GetCollator()->Compare("Ä","A") == 0); // standard sort order, not phone-book sort order.
REQUIRE(locale->GetCollator()->Compare("A","b") < 0);
REQUIRE(locale->GetCollator()->Compare("B","a") > 0);
REQUIRE(locale->GetCollator()->Compare("A","a") == 0);
REQUIRE(locale->GetCollator()->Compare("c","ç") == 0);
REQUIRE(locale->GetCollator()->Compare("e","è") == 0);
}
{
Locale::ptr locale = Locale::GetTestInstance("da_DK");
REQUIRE(locale->GetCollator()->Compare("Å","Z") > 0);
}
}
TEST_CASE( "Locale test", "[locale]" ) {
cout << "====== Locale test ===============" << endl;
// enumerateLocales();
// printSortOptions("de_DE");
u8Test();
u16Test();
}
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