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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 "cellkeytranslator.hxx"
#include <comphelper/processfactory.hxx>
#include <i18nlangtag/mslangid.hxx>
#include <i18nlangtag/lang.h>
#include <rtl/ustring.hxx>
#include <com/sun/star/i18n/TransliterationModules.hpp>
using ::com::sun::star::uno::Sequence;
using ::std::list;
using ::boost::unordered_map;
using namespace ::com::sun::star;
enum LocaleMatch
{
LOCALE_MATCH_NONE = 0,
LOCALE_MATCH_LANG,
LOCALE_MATCH_LANG_SCRIPT,
LOCALE_MATCH_LANG_SCRIPT_COUNTRY,
LOCALE_MATCH_ALL
};
static LocaleMatch lclLocaleCompare(const lang::Locale& rLocale1, const LanguageTag& rLanguageTag2)
{
LocaleMatch eMatchLevel = LOCALE_MATCH_NONE;
LanguageTag aLanguageTag1( rLocale1);
if ( aLanguageTag1.getLanguage() == rLanguageTag2.getLanguage() )
eMatchLevel = LOCALE_MATCH_LANG;
else
return eMatchLevel;
if ( aLanguageTag1.getScript() == rLanguageTag2.getScript() )
eMatchLevel = LOCALE_MATCH_LANG_SCRIPT;
else
return eMatchLevel;
if ( aLanguageTag1.getCountry() == rLanguageTag2.getCountry() )
eMatchLevel = LOCALE_MATCH_LANG_SCRIPT_COUNTRY;
else
return eMatchLevel;
if (aLanguageTag1 == rLanguageTag2)
return LOCALE_MATCH_ALL;
return eMatchLevel;
}
ScCellKeyword::ScCellKeyword(const sal_Char* pName, OpCode eOpCode, const lang::Locale& rLocale) :
mpName(pName),
meOpCode(eOpCode),
mrLocale(rLocale)
{
}
::std::auto_ptr<ScCellKeywordTranslator> ScCellKeywordTranslator::spInstance(NULL);
static void lclMatchKeyword(OUString& rName, const ScCellKeywordHashMap& aMap,
OpCode eOpCode = ocNone, const lang::Locale* pLocale = NULL)
{
ScCellKeywordHashMap::const_iterator itrEnd = aMap.end();
ScCellKeywordHashMap::const_iterator itr = aMap.find(rName);
if ( itr == itrEnd || itr->second.empty() )
// No candidate strings exist. Bail out.
return;
if ( eOpCode == ocNone && !pLocale )
{
// Since no locale nor opcode matching is needed, simply return
// the first item on the list.
rName = OUString::createFromAscii( itr->second.front().mpName );
return;
}
LanguageTag aLanguageTag( pLocale ? *pLocale : lang::Locale("","",""));
const sal_Char* aBestMatchName = itr->second.front().mpName;
LocaleMatch eLocaleMatchLevel = LOCALE_MATCH_NONE;
bool bOpCodeMatched = false;
list<ScCellKeyword>::const_iterator itrListEnd = itr->second.end();
list<ScCellKeyword>::const_iterator itrList = itr->second.begin();
for ( ; itrList != itrListEnd; ++itrList )
{
if ( eOpCode != ocNone && pLocale )
{
if ( itrList->meOpCode == eOpCode )
{
LocaleMatch eLevel = lclLocaleCompare(itrList->mrLocale, aLanguageTag);
if ( eLevel == LOCALE_MATCH_ALL )
{
// Name with matching opcode and locale found.
rName = OUString::createFromAscii( itrList->mpName );
return;
}
else if ( eLevel > eLocaleMatchLevel )
{
// Name with a better matching locale.
eLocaleMatchLevel = eLevel;
aBestMatchName = itrList->mpName;
}
else if ( !bOpCodeMatched )
// At least the opcode matches.
aBestMatchName = itrList->mpName;
bOpCodeMatched = true;
}
}
else if ( eOpCode != ocNone && !pLocale )
{
if ( itrList->meOpCode == eOpCode )
{
// Name with a matching opcode preferred.
rName = OUString::createFromAscii( itrList->mpName );
return;
}
}
else if ( pLocale )
{
LocaleMatch eLevel = lclLocaleCompare(itrList->mrLocale, aLanguageTag);
if ( eLevel == LOCALE_MATCH_ALL )
{
// Name with matching locale preferred.
rName = OUString::createFromAscii( itrList->mpName );
return;
}
else if ( eLevel > eLocaleMatchLevel )
{
// Name with a better matching locale.
eLocaleMatchLevel = eLevel;
aBestMatchName = itrList->mpName;
}
}
}
// No preferred strings found. Return the best matching name.
rName = OUString::createFromAscii(aBestMatchName);
}
void ScCellKeywordTranslator::transKeyword(OUString& rName, const lang::Locale* pLocale, OpCode eOpCode)
{
if ( !spInstance.get() )
spInstance.reset( new ScCellKeywordTranslator );
LanguageType eLang = pLocale ? LanguageTag(*pLocale).makeFallback().getLanguageType() : LANGUAGE_SYSTEM;
Sequence<sal_Int32> aOffsets;
rName = spInstance->maTransWrapper.transliterate(rName, eLang, 0, rName.getLength(), &aOffsets);
lclMatchKeyword(rName, spInstance->maStringNameMap, eOpCode, pLocale);
}
ScCellKeywordTranslator::ScCellKeywordTranslator() :
maTransWrapper( ::comphelper::getProcessComponentContext(),
i18n::TransliterationModules_LOWERCASE_UPPERCASE )
{
init();
}
ScCellKeywordTranslator::~ScCellKeywordTranslator()
{
}
struct TransItem
{
const sal_Unicode* from;
const sal_Char* to;
OpCode func;
};
void ScCellKeywordTranslator::init()
{
::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
// The file below has been autogenerated by sc/workben/celltrans/parse.py.
// To add new locale keywords, edit sc/workben/celltrans/keywords_utf16.txt
// and re-run the parse.py script.
//
// All keywords must be uppercase, and the mapping must be from the
// localized keyword to the English keyword.
//
// Make sure that the original keyword file (keywords_utf16.txt) is
// encoded in UCS-2/UTF-16!
#include "cellkeywords.inl"
}
void ScCellKeywordTranslator::addToMap(const OUString& rKey, const sal_Char* pName, const lang::Locale& rLocale, OpCode eOpCode)
{
ScCellKeyword aKeyItem( pName, eOpCode, rLocale );
ScCellKeywordHashMap::iterator itrEnd = maStringNameMap.end();
ScCellKeywordHashMap::iterator itr = maStringNameMap.find(rKey);
if ( itr == itrEnd )
{
// New keyword.
list<ScCellKeyword> aList;
aList.push_back(aKeyItem);
maStringNameMap.insert( ScCellKeywordHashMap::value_type(rKey, aList) );
}
else
itr->second.push_back(aKeyItem);
}
void ScCellKeywordTranslator::addToMap(const TransItem* pItems, const lang::Locale& rLocale)
{
for (sal_uInt16 i = 0; pItems[i].from != NULL; ++i)
addToMap(OUString(pItems[i].from), pItems[i].to, rLocale, pItems[i].func);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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