office-gobmx/shell/source/backends/localebe/localebackend.cxx
Mike Kaganski f220acf3aa Use getXWeak in shell
Change-Id: Ied9a244a0fdd5973f2c9cb3bdd46500f6be2e0cd
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/150868
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
2023-04-30 17:05:28 +02:00

332 lines
10 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <sal/log.hxx>
#include <cassert>
#include <limits>
#include "localebackend.hxx"
#include <com/sun/star/beans/Optional.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <cppuhelper/supportsservice.hxx>
#include <rtl/character.hxx>
#include <o3tl/char16_t2wchar_t.hxx>
#include <i18nlangtag/languagetag.hxx>
#include <i18nlangtag/mslangid.hxx>
#ifdef _WIN32
#if !defined WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
static css::beans::Optional<css::uno::Any> ImplGetLocale(LCID lcid)
{
WCHAR buffer[8];
PWSTR cp = buffer;
cp += GetLocaleInfoW( lcid, LOCALE_SISO639LANGNAME, buffer, 4 );
if( cp > buffer )
{
if( 0 < GetLocaleInfoW( lcid, LOCALE_SISO3166CTRYNAME, cp, buffer + 8 - cp) )
// #i50822# minus character must be written before cp
*(cp - 1) = '-';
return {true, css::uno::Any(OUString(o3tl::toU(buffer)))};
}
return {false, {}};
}
#elif defined(MACOSX)
#include <rtl/ustrbuf.hxx>
#include <locale.h>
#include <string.h>
#include <premac.h>
#include <CoreServices/CoreServices.h>
#include <CoreFoundation/CoreFoundation.h>
#include <postmac.h>
namespace /* private */
{
void OUStringBufferAppendCFString(OUStringBuffer& buffer, const CFStringRef s)
{
CFIndex lstr = CFStringGetLength(s);
for (CFIndex i = 0; i < lstr; i++)
buffer.append(sal_Unicode(CFStringGetCharacterAtIndex(s, i)));
}
template <typename T>
class CFGuard
{
public:
explicit CFGuard(T& rT) : rT_(rT) {}
~CFGuard() { if (rT_) CFRelease(rT_); }
private:
T& rT_;
};
typedef CFGuard<CFArrayRef> CFArrayGuard;
typedef CFGuard<CFStringRef> CFStringGuard;
typedef CFGuard<CFTypeRef> CFTypeRefGuard;
/* For more information on the Apple locale concept please refer to
http://developer.apple.com/documentation/CoreFoundation/Conceptual/CFLocales/Articles/CFLocaleConcepts.html
According to this documentation a locale identifier has the format: language[_country][_variant]*
e.g. es_ES_PREEURO -> spain prior Euro support
Note: The calling code should be able to handle locales with only language information e.g. 'en' for certain
UI languages just the language code will be returned.
*/
CFStringRef ImplGetAppPreference(const char* pref)
{
CFStringRef csPref = CFStringCreateWithCString(nullptr, pref, kCFStringEncodingASCII);
CFStringGuard csRefGuard(csPref);
CFTypeRef ref = CFPreferencesCopyAppValue(csPref, kCFPreferencesCurrentApplication);
CFTypeRefGuard refGuard(ref);
if (ref == nullptr)
return nullptr;
CFStringRef sref = (CFGetTypeID(ref) == CFArrayGetTypeID()) ? static_cast<CFStringRef>(CFArrayGetValueAtIndex(static_cast<CFArrayRef>(ref), 0)) : static_cast<CFStringRef>(ref);
// NOTE: this API is only available with macOS >=10.3. We need to use it because
// Apple used non-ISO values on systems <10.2 like "German" for instance but didn't
// upgrade those values during upgrade to newer macOS versions. See also #i54337#
return CFLocaleCreateCanonicalLocaleIdentifierFromString(kCFAllocatorDefault, sref);
}
css::beans::Optional<css::uno::Any> ImplGetLocale(const char* pref)
{
CFStringRef sref = ImplGetAppPreference(pref);
CFStringGuard srefGuard(sref);
OUStringBuffer aLocaleBuffer("en-US"); // initialize with fallback value
if (sref != nullptr)
{
// split the string into substrings; the first two (if there are two) substrings
// are language and country
CFArrayRef subs = CFStringCreateArrayBySeparatingStrings(nullptr, sref, CFSTR("_"));
CFArrayGuard subsGuard(subs);
if (subs != nullptr)
{
aLocaleBuffer.setLength(0); // clear buffer which still contains fallback value
CFStringRef lang = static_cast<CFStringRef>(CFArrayGetValueAtIndex(subs, 0));
OUStringBufferAppendCFString(aLocaleBuffer, lang);
// country also available? Assumption: if the array contains more than one
// value the second value is always the country!
if (CFArrayGetCount(subs) > 1)
{
aLocaleBuffer.append("-");
CFStringRef country = static_cast<CFStringRef>(CFArrayGetValueAtIndex(subs, 1));
OUStringBufferAppendCFString(aLocaleBuffer, country);
}
}
}
return {true, css::uno::Any(aLocaleBuffer.makeStringAndClear())};
}
} // namespace /* private */
#else
#include <rtl/ustrbuf.hxx>
#include <cstdlib>
#include <cstring>
static css::beans::Optional<css::uno::Any> ImplGetLocale(char const * category)
{
const char *locale = std::getenv("LC_ALL");
if (locale == nullptr || *locale == '\0') {
locale = std::getenv(category);
if (locale == nullptr || *locale == '\0') {
locale = std::getenv("LANG");
}
}
// Return "en-US" for C locales
if( (locale == nullptr) || *locale == '\0' || std::strcmp(locale, "C") == 0
|| std::strcmp(locale, "POSIX") == 0 )
return {true, css::uno::Any(OUString("en-US"))};
const char *cp;
const char *uscore = nullptr;
const char *end = nullptr;
// locale string have the format lang[_ctry][.encoding][@modifier]
// Let LanguageTag handle all conversion, but do a sanity and length check
// first.
// For the fallback we are only interested in the first two items, so we
// handle '.' and '@' as string end for that.
for (cp = locale; *cp; cp++)
{
if (*cp == '_' && !uscore)
uscore = cp;
if ((*cp == '.' || *cp == '@') && !end)
end = cp;
if (!rtl::isAscii(static_cast<unsigned char>(*cp))) {
SAL_INFO("shell", "locale env var with non-ASCII content");
return {false, {}};
}
}
assert(cp >= locale);
if (cp - locale > std::numeric_limits<sal_Int32>::max()) {
SAL_INFO("shell", "locale env var content too long");
return {false, {}};
}
// This is a tad awkward... but the easiest way to obtain what we're
// actually interested in. For example this also converts
// "ca_ES.UTF-8@valencia" to "ca-ES-valencia".
const OString aLocaleStr(locale);
const LanguageType nLang = MsLangId::convertUnxByteStringToLanguage( aLocaleStr);
if (nLang != LANGUAGE_DONTKNOW)
{
const OUString aLangTagStr( LanguageTag::convertToBcp47( nLang));
return {true, css::uno::Any(aLangTagStr)};
}
// As a fallback, strip encoding and modifier and return just a
// language-country combination and let the caller handle unknowns.
OUStringBuffer aLocaleBuffer;
if (!end)
end = cp;
if( uscore != nullptr )
{
aLocaleBuffer.appendAscii(locale, uscore++ - locale);
aLocaleBuffer.append("-");
aLocaleBuffer.appendAscii(uscore, end - uscore);
}
else
{
aLocaleBuffer.appendAscii(locale, end - locale);
}
return {true, css::uno::Any(aLocaleBuffer.makeStringAndClear())};
}
#endif
LocaleBackend::LocaleBackend()
{
}
LocaleBackend::~LocaleBackend()
{
}
css::beans::Optional<css::uno::Any> LocaleBackend::getLocale()
{
#if defined(_WIN32)
return ImplGetLocale( GetUserDefaultLCID() );
#elif defined (MACOSX)
return ImplGetLocale("AppleLocale");
#else
return ImplGetLocale("LC_CTYPE");
#endif
}
css::beans::Optional<css::uno::Any> LocaleBackend::getUILocale()
{
#if defined(_WIN32)
return ImplGetLocale( MAKELCID(GetUserDefaultUILanguage(), SORT_DEFAULT) );
#elif defined(MACOSX)
return ImplGetLocale("AppleLanguages");
#else
return ImplGetLocale("LC_MESSAGES");
#endif
}
css::beans::Optional<css::uno::Any> LocaleBackend::getSystemLocale()
{
// note: the implementation differs from getLocale() only on Windows
#if defined(_WIN32)
return ImplGetLocale( GetSystemDefaultLCID() );
#else
return getLocale();
#endif
}
void LocaleBackend::setPropertyValue(
OUString const &, css::uno::Any const &)
{
throw css::lang::IllegalArgumentException(
"setPropertyValue not supported",
getXWeak(), -1);
}
css::uno::Any LocaleBackend::getPropertyValue(
OUString const & PropertyName)
{
if ( PropertyName == "Locale" ) {
return css::uno::Any(getLocale());
} else if (PropertyName == "SystemLocale")
{
return css::uno::Any(getSystemLocale());
} else if (PropertyName == "UILocale")
{
return css::uno::Any(getUILocale());
} else {
throw css::beans::UnknownPropertyException(
PropertyName, getXWeak());
}
}
OUString SAL_CALL LocaleBackend::getImplementationName()
{
return "com.sun.star.comp.configuration.backend.LocaleBackend" ;
}
sal_Bool SAL_CALL LocaleBackend::supportsService(const OUString& aServiceName)
{
return cppu::supportsService(this, aServiceName);
}
uno::Sequence<OUString> SAL_CALL LocaleBackend::getSupportedServiceNames()
{
return { "com.sun.star.configuration.backend.LocaleBackend" };
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
shell_LocaleBackend_get_implementation(
css::uno::XComponentContext* , css::uno::Sequence<css::uno::Any> const&)
{
return cppu::acquire(new LocaleBackend());
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */