    /* -*- 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 <algorithm>
    #include <fstream>
    #include <string>
    #include <vector>

    #include <export.hxx>
    #include <po.hxx>

    namespace
    {
        OString lcl_NormalizeFilename(const OString& rFilename)
        {
            return rFilename.copy(
                std::max(
                    rFilename.lastIndexOf( '\\' ),
                    rFilename.lastIndexOf( '/' ))+1);
        };

        bool lcl_ReadPoChecked(
            PoEntry& o_rPoEntry, PoIfstream& rPoFile,
            const OString& rFileName)
        {
            try
            {
                rPoFile.readEntry( o_rPoEntry );
            }
            catch (const PoIfstream::Exception&)
            {
                SAL_WARN("l10ntools", rFileName << " contains invalid entry");
                return false;
            }
            return true;
        }
    }

    //  class ResData

    ResData::ResData( const OString &rGId )
        :
        sGId( rGId )
    {
        sGId = sGId.replaceAll("\r", OString());
    }

    ResData::ResData( const OString &rGId, const OString &rFilename)
        :
        sGId( rGId ),
        sFilename( rFilename )
    {
        sGId = sGId.replaceAll("\r", OString());
    }

    // class MergeEntrys

    bool MergeEntrys::GetText( OString &rReturn,
        const OString &nLangIndex, bool bDel )
    {
        bool bReturn = true;
        rReturn = sText[ nLangIndex ];
        if ( bDel )
            sText[ nLangIndex ] = "";
        bReturn = bTextFirst[ nLangIndex ];
        bTextFirst[ nLangIndex ] = false;
        return bReturn;
    }

    namespace
    {
        OString GetDoubleBars()
        {
            //DOUBLE VERTICAL LINE instead of || because the translations make their
            //way into action_names under gtk3 where || is illegal
            return OUStringToOString(OUString(u'\x2016'), RTL_TEXTENCODING_UTF8);
        }
    }

    OString MergeEntrys::GetQTZText(const ResData& rResData, const OString& rOrigText)
    {
        const OString sFilename = rResData.sFilename.copy(rResData.sFilename.lastIndexOf('/')+1);
        const OString sKey =
            PoEntry::genKeyId(sFilename + rResData.sGId + rResData.sId + rResData.sResTyp + rOrigText);
        return sKey + GetDoubleBars() + rOrigText;
    }

    // class MergeDataHashMap

    std::pair<MergeDataHashMap::iterator,bool> MergeDataHashMap::insert(const OString& rKey, std::unique_ptr<MergeData> pMergeData)
    {
        std::pair<iterator,bool> aTemp = m_aHashMap.emplace( rKey, std::move(pMergeData) );
        if( m_aHashMap.size() == 1 )
        {
            // When first insert, set an iterator to the first element
            aFirstInOrder = aTemp.first;
        }
        else
        {
            // Define insertion order by setting an iterator to the next element.
            aLastInsertion->second->m_aNextData = aTemp.first;
        }
        aLastInsertion = aTemp.first;
        return aTemp;
    }

    MergeDataHashMap::iterator const & MergeDataHashMap::find(const OString& rKey)
    {
        iterator aHint = m_aHashMap.end();

        // Add a hint
        if( bFirstSearch && !m_aHashMap.empty() )
        {
            aHint = aFirstInOrder;
        }
        else if( aLastFound == aLastInsertion )
        {
            // Next to the last element is the first element
            aHint = aFirstInOrder;
        }
        else if( aLastFound != m_aHashMap.end() && aLastFound != aLastInsertion )
        {
            aHint = aLastFound->second->m_aNextData;
        }

        // If hint works than no need for search
        if( aHint != m_aHashMap.end() && aHint->first == rKey )
        {
            aLastFound = aHint;
        }
        else
        {
            aLastFound = m_aHashMap.find(rKey);
        }

        bFirstSearch = false;
        return aLastFound;
    }

    // class MergeData

    MergeData::MergeData()
        : pMergeEntrys( new MergeEntrys() )
    {
    }

    MergeData::~MergeData()
    {
    }

    // class MergeDataFile

    MergeDataFile::MergeDataFile(
        const OString &rFileName, const OString &rFile,
        bool bCaseSensitive, bool bWithQtz )
    {
        OString sEnableReleaseBuild(getenv("ENABLE_RELEASE_BUILD"));

        std::ifstream aInputStream( rFileName.getStr() );
        if ( !aInputStream.is_open() )
        {
            SAL_WARN("l10ntools", "Can't open po path container file for " << rFileName);
            return;
        }
        std::string sPoFile;
        aInputStream >> sPoFile;
        bool bFirstLang = true;
        while( !aInputStream.eof() )
        {
            bool bSkipCurrentPOFile = false;
            const OString sFileName( lcl_NormalizeFilename(rFile) );
            const bool bReadAll = sFileName.isEmpty();
            // coverity[tainted_data] - this is a build time tool
            const OString sPoFileName(sPoFile.data(), static_cast<sal_Int32>(sPoFile.length()));
            PoIfstream aPoInput;
            aPoInput.open( sPoFileName );
            if ( !aPoInput.isOpen() )
            {
                SAL_WARN("l10ntools", "Can't open file: " << sPoFileName);
                return;
            }

            OString sLang;
            //Get language id from path
            {
                const OString sTransSource("translations/source/");
                const sal_Int32 nStart =
                    sPoFileName.indexOf(sTransSource)+sTransSource.getLength();
                const sal_Int32 nCount =
                    sPoFileName.indexOf('/',nStart) - nStart;
                sLang = sPoFileName.copy(nStart,nCount);
            }
            aLanguageSet.insert( sLang );
            PoEntry aNextPo;
            do
            {
                if( !lcl_ReadPoChecked(aNextPo, aPoInput, sPoFileName) )
                {
                    bSkipCurrentPOFile = true;
                    break;
                }
            } while( !aPoInput.eof() && aNextPo.getSourceFile() != sFileName && !bReadAll );
            while( !aPoInput.eof() && (aNextPo.getSourceFile() == sFileName || bReadAll ) && !bSkipCurrentPOFile )
            {
                PoEntry aActPo( aNextPo );

                bool bInSameComp = false;
                OString sText;
                OString sQHText;
                OString sTitle;
                OString sExText;
                OString sExQHText;
                OString sExTitle;
                do
                {
                    if( bInSameComp )
                        aActPo = aNextPo;
                    OString sTemp = aActPo.getMsgStr();
                    if( aActPo.isFuzzy() || sTemp.isEmpty() )
                        sTemp = aActPo.getMsgId();
                    switch( aActPo.getType() )
                    {
                        case PoEntry::TTEXT:
                            sText = sTemp;
                            sExText = aActPo.getMsgId();
                            break;
                        case PoEntry::TQUICKHELPTEXT:
                            sQHText = sTemp;
                            sExQHText = aActPo.getMsgId();
                            break;
                        case PoEntry::TTITLE:
                            sTitle = sTemp;
                            sExTitle = aActPo.getMsgId();
                            break;
                    }
                    if( !lcl_ReadPoChecked(aNextPo, aPoInput, sPoFileName) )
                    {
                        bSkipCurrentPOFile = true;
                        break;
                    }
                } while( !aPoInput.eof() &&
                    ( bInSameComp = PoEntry::IsInSameComp(aActPo, aNextPo) ) );

                InsertEntry(
                    aActPo.getResourceType(), aActPo.getGroupId(),
                    aActPo.getLocalId(), sLang, sText,
                    sQHText, sTitle, aActPo.getSourceFile(),
                    bFirstLang, bCaseSensitive );

                if( bFirstLang && bWithQtz &&
                    sEnableReleaseBuild != "TRUE" )
                {
                    aLanguageSet.insert("qtz");
                    InsertEntry(
                        aActPo.getResourceType(), aActPo.getGroupId(),
                        aActPo.getLocalId(), "qtz",
                        sExText, sExQHText,
                        sExTitle, aActPo.getSourceFile(),
                        false, bCaseSensitive );
                }
            }
            aPoInput.close();
            aInputStream >> sPoFile;
            bFirstLang = false;
        }
        aInputStream.close();
    }

    MergeDataFile::~MergeDataFile()
    {
    }

    std::vector<OString> MergeDataFile::GetLanguages() const
    {
        return std::vector<OString>(aLanguageSet.begin(),aLanguageSet.end());
    }

    MergeData *MergeDataFile::GetMergeData( ResData *pResData , bool bCaseSensitive )
    {
        OString sOldG = pResData->sGId;
        OString sOldL = pResData->sId;
        OString sGID = pResData->sGId;
        OString sLID;
        if (sGID.isEmpty())
            sGID = pResData->sId;
        else
            sLID = pResData->sId;
        pResData->sGId = sGID;
        pResData->sId = sLID;

        OString sKey = CreateKey( pResData->sResTyp , pResData->sGId , pResData->sId , pResData->sFilename , bCaseSensitive );

        MergeDataHashMap::const_iterator mit = aMap.find( sKey );
        if(mit != aMap.end())
        {
            pResData->sGId = sOldG;
            pResData->sId = sOldL;
            return mit->second.get();
        }
        pResData->sGId = sOldG;
        pResData->sId = sOldL;
        return nullptr;
    }

    MergeEntrys *MergeDataFile::GetMergeEntrys( ResData *pResData )
    {
        // search for requested MergeEntrys
        MergeData *pData = GetMergeData( pResData );
        if ( pData )
            return pData->GetMergeEntries();
        return nullptr;
    }

    MergeEntrys *MergeDataFile::GetMergeEntrysCaseSensitive( ResData *pResData )
    {
        // search for requested MergeEntrys
        MergeData *pData = GetMergeData( pResData , true );
        if ( pData )
            return pData->GetMergeEntries();
        return nullptr;
    }

    void MergeDataFile::InsertEntry(
        const OString &rTYP, const OString &rGID,
        const OString &rLID, const OString &nLANG,
        const OString &rTEXT, const OString &rQHTEXT,
        const OString &rTITLE, const OString &rInFilename,
        bool bFirstLang, bool bCaseSensitive )
    {
        MergeData *pData = nullptr;

        // search for MergeData
        OString sKey = CreateKey(rTYP , rGID , rLID , rInFilename , bCaseSensitive);

        if( !bFirstLang )
        {
            MergeDataHashMap::const_iterator mit = aMap.find( sKey );
            if(mit != aMap.end())
                pData = mit->second.get();

        }

        if( !pData )
        {
            pData = new MergeData;
            aMap.insert( sKey, std::unique_ptr<MergeData>(pData) );
        }

        // insert the cur string
        MergeEntrys *pMergeEntrys = pData->GetMergeEntries();
        if( nLANG =="qtz" )
        {
            const OString sTemp = rInFilename + rGID + rLID + rTYP;
            pMergeEntrys->InsertEntry(
                nLANG,
                rTEXT.isEmpty()? rTEXT : PoEntry::genKeyId(sTemp + rTEXT) + GetDoubleBars() + rTEXT,
                rQHTEXT.isEmpty()? rQHTEXT : PoEntry::genKeyId(sTemp + rQHTEXT) + GetDoubleBars() + rQHTEXT,
                rTITLE.isEmpty()? rTITLE : PoEntry::genKeyId(sTemp + rTITLE) + GetDoubleBars() + rTITLE );
        }
        else
        {
            pMergeEntrys->InsertEntry( nLANG , rTEXT, rQHTEXT, rTITLE );
        }
    }

    OString MergeDataFile::CreateKey(const OString& rTYP, const OString& rGID,
        const OString& rLID, const OString& rFilename, bool bCaseSensitive)
    {
        static const char sStroke[] = "-";
        OString sKey( rTYP );
        sKey += sStroke;
        sKey += rGID;
        sKey += sStroke;
        sKey += rLID;
        sKey += sStroke;
        sKey += lcl_NormalizeFilename(rFilename);
        if(bCaseSensitive)
            return sKey;         // officecfg case sensitive identifier
        return sKey.toAsciiUpperCase();
    }

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V1024 The 'aInputStream' stream is checked for EOF before reading from it, but is not checked after reading. Use of invalid data may occur.