l10ntools/source/propmerge.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <memory>
  11 #include <cstdlib>
  12 #include <cassert>
  13 #include <iostream>
  14 #include <fstream>
  15 #include <iomanip>
  16 #include <string_view>
  17
  18 #include <export.hxx>
  19 #include <common.hxx>
  20 #include <propmerge.hxx>
  21
  22 namespace
  23 {
  24     //Find ascii escaped unicode
  25     sal_Int32 lcl_IndexOfUnicode(
  26         const OString& rSource, const sal_Int32 nFrom = 0 )
  27     {
  28         const OString sHexDigits = "0123456789abcdefABCDEF";
  29         sal_Int32 nIndex = rSource.indexOf( "\\u", nFrom );
  30         if( nIndex == -1 )
  31         {
  32             return -1;
  33         }
  34         bool bIsUnicode = true;
  35         for( short nDist = 2; nDist <= 5; ++nDist )
  36         {
  37             if( sHexDigits.indexOf( rSource[nIndex + nDist] ) == -1 )
  38             {
  39                 bIsUnicode = false;
  40             }
  41         }
  42         return bIsUnicode ? nIndex : -1;
  43     }
  44
  45     //Convert ascii escaped unicode to utf-8
  46     OString lcl_ConvertToUTF8( const OString& rText )
  47     {
  48         OString sResult = rText;
  49         sal_Int32 nIndex = lcl_IndexOfUnicode( sResult );
  50         while( nIndex != -1 && nIndex < rText.getLength() )
  51         {
  52             const OString sHex = sResult.copy( nIndex + 2, 4 );
  53             const sal_Unicode cDec =
  54                 static_cast<sal_Unicode>( strtol( sHex.getStr(), nullptr, 16 ) );
  55             const OString sNewChar( &cDec, 1, RTL_TEXTENCODING_UTF8 );
  56             sResult = sResult.replaceAll( "\\u" + sHex, sNewChar );
  57             nIndex = lcl_IndexOfUnicode( sResult, nIndex );
  58         }
  59         return sResult;
  60     }
  61
  62     //Escape unicode characters
  63     void lcl_PrintJavaStyle( std::string_view rText, std::ofstream &rOfstream )
  64     {
  65         const OUString sTemp =
  66             OStringToOUString( rText, RTL_TEXTENCODING_UTF8 );
  67         for ( sal_Int32 nIndex = 0; nIndex < sTemp.getLength(); ++nIndex )
  68         {
  69             sal_Unicode cUniCode = sTemp[nIndex];
  70             if( cUniCode < 128 )
  71             {
  72                 rOfstream << static_cast<char>( cUniCode );
  73             }
  74             else
  75             {
  76                 rOfstream
  77                     << "\\u"
  78                     << std::setfill('0') << std::setw(2) << std::uppercase
  79                     << std::hex << (cUniCode >> 8)
  80                     << std::setfill('0') << std::setw(2) << std::uppercase
  81                     << std::hex << (cUniCode & 0xFF);
  82             }
  83         }
  84     }
  85 }
  86
  87 //Open source file and store its lines
  88 PropParser::PropParser(
  89     const OString& rInputFile, const OString& rLang,
  90     const bool bMergeMode )
  91     : m_sSource( rInputFile )
  92     , m_sLang( rLang )
  93     , m_bIsInitialized( false )
  94 {
  95     std::ifstream aIfstream( m_sSource.getStr() );
  96     if( aIfstream.is_open() )
  97     {
  98         std::string s;
  99         std::getline( aIfstream, s );
 100         while( !aIfstream.eof() )
 101         {
 102             OString sLine( s.data(), s.length() );
 103             if( bMergeMode ||
 104                 ( !sLine.startsWith(" *") && !sLine.startsWith("/*") ) )
 105             {
 106                 m_vLines.push_back( sLine );
 107             }
 108             std::getline( aIfstream, s );
 109         }
 110     }
 111     else
 112     {
 113         std::cerr
 114             << "Propex error: Cannot open source file: "
 115             << m_sSource << std::endl;
 116         return;
 117     }
 118     m_bIsInitialized = true;
 119 }
 120
 121 PropParser::~PropParser()
 122 {
 123 }
 124
 125 //Extract strings form source file
 126 void PropParser::Extract( const OString& rPOFile )
 127 {
 128     assert( m_bIsInitialized );
 129     PoOfstream aPOStream( rPOFile, PoOfstream::APP );
 130     if( !aPOStream.isOpen() )
 131     {
 132         std::cerr
 133             << "Propex error: Cannot open pofile for extract: "
 134             << rPOFile << std::endl;
 135         return;
 136     }
 137
 138     for( size_t nIndex = 0; nIndex < m_vLines.size(); ++nIndex )
 139     {
 140         const OString sLine = m_vLines[nIndex];
 141         const sal_Int32 nEqualSign = sLine.indexOf('=');
 142         if( nEqualSign != -1 )
 143         {
 144             OString sID = sLine.copy( 0, nEqualSign ).trim();
 145             OString sText = lcl_ConvertToUTF8( sLine.copy( nEqualSign + 1 ).trim() );
 146
 147             common::writePoEntry(
 148                 "Propex", aPOStream, m_sSource, "property",
 149                 sID, OString(), OString(), sText);
 150         }
 151     }
 152
 153     aPOStream.close();
 154 }
 155
 156 //Merge strings to source file
 157 void PropParser::Merge( const OString &rMergeSrc, const OString &rDestinationFile )
 158 {
 159     assert( m_bIsInitialized );
 160     std::ofstream aDestination(
 161         rDestinationFile.getStr(), std::ios_base::out | std::ios_base::trunc );
 162     if( !aDestination.is_open() ) {
 163         std::cerr
 164             << "Propex error: Cannot open source file for merge: "
 165             << rDestinationFile << std::endl;
 166         return;
 167     }
 168
 169     std::unique_ptr<MergeDataFile> pMergeDataFile;
 170     if( m_sLang != "qtz" )
 171     {
 172         pMergeDataFile.reset( new MergeDataFile( rMergeSrc, m_sSource, false, false ) );
 173
 174         const std::vector<OString> vLanguages = pMergeDataFile->GetLanguages();
 175         if( !vLanguages.empty() && vLanguages[0] != m_sLang )
 176         {
 177             std::cerr
 178                 << ("Propex error: given language conflicts with language of"
 179                     " Mergedata file: ")
 180                 << m_sLang << " - "
 181                 << vLanguages[0] << std::endl;
 182             return;
 183         }
 184     }
 185
 186     for( size_t nIndex = 0; nIndex < m_vLines.size(); ++nIndex )
 187     {
 188         const OString sLine = m_vLines[nIndex];
 189         const sal_Int32 nEqualSign = sLine.indexOf('=');
 190         if( !sLine.startsWith(" *") && !sLine.startsWith("/*") &&
 191             nEqualSign != -1 )
 192         {
 193             const OString sID( sLine.copy( 0, sLine.indexOf('=') ).trim() );
 194             ResData  aResData( sID, m_sSource );
 195             aResData.sResTyp = "property";
 196             OString sNewText;
 197             if( m_sLang == "qtz" )
 198             {
 199                 const OString sOriginText = lcl_ConvertToUTF8(sLine.copy( nEqualSign + 1 ).trim());
 200                 sNewText = MergeEntrys::GetQTZText(aResData, sOriginText);
 201             }
 202             else if( pMergeDataFile )
 203             {
 204                 MergeEntrys* pEntrys = pMergeDataFile->GetMergeEntrys( &aResData );
 205                 if( pEntrys )
 206                 {
 207                     pEntrys->GetText( sNewText, m_sLang );
 208                 }
 209             }
 210             if( !sNewText.isEmpty() )
 211             {
 212                 aDestination << OString(sID + "=");
 213                 lcl_PrintJavaStyle( sNewText, aDestination );
 214                 aDestination << std::endl;
 215             }
 216             else
 217             {
 218                 aDestination << sLine << std::endl;
 219             }
 220         }
 221         else
 222         {
 223             aDestination << sLine << std::endl;
 224         }
 225     }
 226     aDestination.close();
 227 }
 228
 229 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */