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Diffstat (limited to 'sc/source/core/tool/cellkeytranslator.cxx')
| -rw-r--r-- | sc/source/core/tool/cellkeytranslator.cxx | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/sc/source/core/tool/cellkeytranslator.cxx b/sc/source/core/tool/cellkeytranslator.cxx new file mode 100644 index 000000000000..4db8c22d19d8 --- /dev/null +++ b/sc/source/core/tool/cellkeytranslator.cxx @@ -0,0 +1,232 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_sc.hxx" + +#include "cellkeytranslator.hxx" +#include "comphelper/processfactory.hxx" +#include "i18npool/mslangid.hxx" +#include "i18npool/lang.h" +#include "rtl/ustring.hxx" + +#include <com/sun/star/i18n/TransliterationModules.hpp> + +using ::com::sun::star::lang::Locale; +using ::com::sun::star::uno::Sequence; +using ::std::list; +using ::std::hash_map; +using ::rtl::OUString; + +using namespace ::com::sun::star; + +enum LocaleMatch +{ + LOCALE_MATCH_NONE = 0, + LOCALE_MATCH_LANG, + LOCALE_MATCH_LANG_COUNTRY, + LOCALE_MATCH_ALL +}; + +static LocaleMatch lclLocaleCompare(const Locale& rLocale1, const Locale& rLocale2) +{ + LocaleMatch eMatchLevel = LOCALE_MATCH_NONE; + if ( !rLocale1.Language.compareTo(rLocale1.Language) ) + eMatchLevel = LOCALE_MATCH_LANG; + else + return eMatchLevel; + + if ( !rLocale1.Country.compareTo(rLocale2.Country) ) + eMatchLevel = LOCALE_MATCH_LANG_COUNTRY; + else + return eMatchLevel; + + if ( !rLocale1.Variant.compareTo(rLocale2.Variant) ) + eMatchLevel = LOCALE_MATCH_ALL; + + return eMatchLevel; +} + +ScCellKeyword::ScCellKeyword(const sal_Char* pName, OpCode eOpCode, const Locale& rLocale) : + mpName(pName), + meOpCode(eOpCode), + mrLocale(rLocale) +{ +} + +::std::auto_ptr<ScCellKeywordTranslator> ScCellKeywordTranslator::spInstance(NULL); + +static void lclMatchKeyword(String& rName, const ScCellKeywordHashMap& aMap, + OpCode eOpCode = ocNone, const 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 = String::CreateFromAscii( itr->second.front().mpName ); + return; + } + + 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, *pLocale); + if ( eLevel == LOCALE_MATCH_ALL ) + { + // Name with matching opcode and locale found. + rName = String::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 = String::CreateFromAscii( itrList->mpName ); + return; + } + } + else if ( !eOpCode && pLocale ) + { + LocaleMatch eLevel = lclLocaleCompare(itrList->mrLocale, *pLocale); + if ( eLevel == LOCALE_MATCH_ALL ) + { + // Name with matching locale preferred. + rName = String::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 = String::CreateFromAscii(aBestMatchName); +} + +void ScCellKeywordTranslator::transKeyword(String& rName, const Locale* pLocale, OpCode eOpCode) +{ + if ( !spInstance.get() ) + spInstance.reset( new ScCellKeywordTranslator ); + + LanguageType eLang = pLocale ? MsLangId::convertLocaleToLanguageWithFallback(*pLocale) : LANGUAGE_SYSTEM; + Sequence<sal_Int32> aOffsets; + rName = spInstance->maTransWrapper.transliterate(rName, eLang, 0, rName.Len(), &aOffsets); + lclMatchKeyword(rName, spInstance->maStringNameMap, eOpCode, pLocale); +} + +ScCellKeywordTranslator::ScCellKeywordTranslator() : + maTransWrapper( ::comphelper::getProcessServiceFactory(), + 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 String& rKey, const sal_Char* pName, const 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 Locale& rLocale) +{ + for (sal_uInt16 i = 0; pItems[i].from != NULL; ++i) + addToMap(String(pItems[i].from), pItems[i].to, rLocale, pItems[i].func); +} |