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/* -*- 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 <comphelper/locale.hxx>
#include <rtl/ustrbuf.hxx>
namespace comphelper{
//-----------------------------------------------
const sal_Unicode Locale::SEPERATOR_LC = (sal_Unicode)'-';
const sal_Unicode Locale::SEPERATOR_CV = (sal_Unicode)'_';
const sal_Unicode Locale::SEPERATOR_CV_LINUX = (sal_Unicode)'.';
//-----------------------------------------------
const Locale Locale::X_DEFAULT()
{
return Locale(::rtl::OUString("x"), ::rtl::OUString("default"));
}
//-----------------------------------------------
const Locale Locale::EN_US()
{
return Locale(::rtl::OUString("en"), ::rtl::OUString("US"));
}
//-----------------------------------------------
const Locale Locale::X_NOTRANSLATE()
{
return Locale(::rtl::OUString("x"), ::rtl::OUString("notranslate"));
}
//-----------------------------------------------
Locale::Locale(const ::rtl::OUString& sISO)
throw(Locale::MalFormedLocaleException)
{
fromISO(sISO);
}
//-----------------------------------------------
Locale::Locale(const ::rtl::OUString& sLanguage,
const ::rtl::OUString& sCountry ,
const ::rtl::OUString& sVariant )
{
// Use set methods to check values too!
setLanguage(sLanguage);
setCountry (sCountry );
setVariant (sVariant );
}
//-----------------------------------------------
Locale::Locale()
{
// Initialize instance ... otherwise user will
// may be get exceptions if he e.g. copy this instance ...
(*this) = X_NOTRANSLATE();
}
//-----------------------------------------------
Locale::Locale(const Locale& aCopy)
{
(*this) = aCopy; // recycle assign operator
}
//-----------------------------------------------
::rtl::OUString Locale::getLanguage() const
{
return m_sLanguage;
}
//-----------------------------------------------
::rtl::OUString Locale::getCountry() const
{
return m_sCountry;
}
//-----------------------------------------------
::rtl::OUString Locale::getVariant() const
{
return m_sVariant;
}
//-----------------------------------------------
void Locale::setLanguage(const ::rtl::OUString& sLanguage)
{
m_sLanguage = sLanguage;
}
//-----------------------------------------------
void Locale::setCountry(const ::rtl::OUString& sCountry)
{
m_sCountry = sCountry;
}
//-----------------------------------------------
void Locale::setVariant(const ::rtl::OUString& sVariant)
{
m_sVariant = sVariant;
}
//-----------------------------------------------
/* Attention: Use own interface methods to set the
different parts of this locale. Because the
check the incoming value and throw an exception
automaticly ...
*/
void Locale::fromISO(const ::rtl::OUString& sISO)
throw(Locale::MalFormedLocaleException)
{
m_sLanguage = ::rtl::OUString();
m_sCountry = ::rtl::OUString();
m_sVariant = ::rtl::OUString();
::rtl::OUString sParser(sISO);
sParser = sParser.trim();
sal_Int32 nStart = 0;
sal_Int32 nEnd = 0;
// extract language part
nEnd = sParser.indexOf(SEPERATOR_LC, nStart);
if (nEnd<0)
{
setLanguage(sParser);
return;
}
setLanguage(sParser.copy(nStart, nEnd-nStart));
nStart = nEnd+1;
// extract country
nEnd = sParser.indexOf(SEPERATOR_CV, nStart);
if (nEnd<0)
nEnd = sParser.indexOf(SEPERATOR_CV_LINUX, nStart);
if (nEnd<0)
{
setCountry(sParser.copy(nStart, sParser.getLength()-nStart));
return;
}
nStart = nEnd+1;
// extract variant
setVariant(sParser.copy(nStart, sParser.getLength()-nStart));
}
//-----------------------------------------------
::rtl::OUString Locale::toISO() const
{
::rtl::OUStringBuffer sISO(64);
sISO.append(m_sLanguage);
if (!m_sCountry.isEmpty())
{
sISO.append(SEPERATOR_LC);
sISO.append(m_sCountry);
if (!m_sVariant.isEmpty())
{
sISO.append(SEPERATOR_CV);
sISO.append(m_sVariant);
}
}
return sISO.makeStringAndClear();
}
//-----------------------------------------------
sal_Bool Locale::equals(const Locale& aComparable) const
{
return (
m_sLanguage.equals(aComparable.m_sLanguage) &&
m_sCountry.equals (aComparable.m_sCountry ) &&
m_sVariant.equals (aComparable.m_sVariant )
);
}
//-----------------------------------------------
sal_Bool Locale::similar(const Locale& aComparable) const
{
return (m_sLanguage.equals(aComparable.m_sLanguage));
}
//-----------------------------------------------
::std::vector< ::rtl::OUString >::const_iterator Locale::getFallback(const ::std::vector< ::rtl::OUString >& lISOList ,
const ::rtl::OUString& sReferenceISO)
throw(Locale::MalFormedLocaleException)
{
Locale aReference(sReferenceISO);
// Note: The same language or "en"/"en-US" should be preferred as fallback.
// On the other side some localized variables doesnt use localzation in real.
// May be the use a "fix" value only ... marked as X-DEFAULT or X-NOTRANSLATE.
// At least it can be discussed, if any language is a valid fallback ...
// But in case some office functionality depends on that (that means real functionality instead
// of pure UI descriptions) we should do anything, so it can work.
::std::vector< ::rtl::OUString >::const_iterator pSimilar = lISOList.end();
::std::vector< ::rtl::OUString >::const_iterator pEN_US = lISOList.end();
::std::vector< ::rtl::OUString >::const_iterator pEN = lISOList.end();
::std::vector< ::rtl::OUString >::const_iterator pXDefault = lISOList.end();
::std::vector< ::rtl::OUString >::const_iterator pXNoTranslate = lISOList.end();
::std::vector< ::rtl::OUString >::const_iterator pAny = lISOList.end();
::std::vector< ::rtl::OUString >::const_iterator pIt;
for ( pIt = lISOList.begin();
pIt != lISOList.end() ;
++pIt )
{
Locale aCheck(*pIt);
// found Locale, which match with 100% => return it
if (aCheck.equals(aReference))
return pIt;
// found similar Locale => safe it as possible fallback
if (
(pSimilar == lISOList.end()) &&
(aCheck.similar(aReference))
)
{
pSimilar = pIt;
}
else
// found en-US => safe it as fallback
if (
(pEN_US == lISOList.end()) &&
(aCheck.equals(EN_US()) )
)
{
pEN_US = pIt;
}
else
// found en[-XX] => safe it as fallback
if (
(pEN == lISOList.end() ) &&
(aCheck.similar(EN_US()))
)
{
pEN = pIt;
}
else
// found an explicit default value(!) => safe it as fallback
if (
(pXDefault == lISOList.end()) &&
(aCheck.equals(X_DEFAULT()) )
)
{
pXDefault = pIt;
}
else
// found an implicit default value(!) => safe it as fallback
if (
(pXNoTranslate == lISOList.end()) &&
(aCheck.equals(X_NOTRANSLATE()) )
)
{
pXNoTranslate = pIt;
}
else
// safe the first locale, which isn't an explicit fallback
// as "last possible fallback"
if (pAny == lISOList.end())
pAny = pIt;
}
if (pSimilar != lISOList.end())
return pSimilar;
if (pEN_US != lISOList.end())
return pEN_US;
if (pEN != lISOList.end())
return pEN;
if (pXDefault != lISOList.end())
return pXDefault;
if (pXNoTranslate != lISOList.end())
return pXNoTranslate;
if (pAny != lISOList.end())
return pAny;
return lISOList.end();
}
//-----------------------------------------------
void Locale::operator=(const Locale& rCopy)
{
// Take over these values without checking ...
// They was already checked if the copy was constructed
// and must be valid now!
m_sLanguage = rCopy.m_sLanguage;
m_sCountry = rCopy.m_sCountry;
m_sVariant = rCopy.m_sVariant;
}
//-----------------------------------------------
sal_Bool Locale::operator==(const Locale& aComparable) const
{
return equals(aComparable);
}
//-----------------------------------------------
sal_Bool Locale::operator!=(const Locale& aComparable) const
{
return !equals(aComparable);
}
} // namespace comphelper
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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