svx/source/gallery2/galini.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 /*
  11  * The world's quickest and lamest .desktop / .ini file parser.
  12  * Ideally the .thm file would move to a .desktop file in
  13  * future.
  14  */
  15
  16 #include <sal/config.h>
  17 #include <sal/log.hxx>
  18
  19 #include <unotools/ucbstreamhelper.hxx>
  20 #include <galleryfilestorageentry.hxx>
  21 #include <i18nlangtag/languagetag.hxx>
  22 #include <vcl/svapp.hxx>
  23 #include <vcl/settings.hxx>
  24 #include <o3tl/string_view.hxx>
  25 #include <memory>
  26
  27 OUString GalleryFileStorageEntry::ReadStrFromIni(std::u16string_view aKeyName ) const
  28 {
  29     std::unique_ptr<SvStream> pStrm(::utl::UcbStreamHelper::CreateStream(
  30         GetStrURL().GetMainURL( INetURLObject::DecodeMechanism::NONE ),
  31                                 StreamMode::READ ));
  32
  33     const LanguageTag &rLangTag = Application::GetSettings().GetUILanguageTag();
  34
  35     ::std::vector< OUString > aFallbacks = rLangTag.getFallbackStrings( true);
  36
  37     OUString aResult;
  38     sal_Int32 nRank = 42;
  39
  40     if( pStrm )
  41     {
  42         OString aLine;
  43         while( pStrm->ReadLine( aLine ) )
  44         {
  45             OUString aKey;
  46             OUString aLocale;
  47             OUString aValue;
  48             sal_Int32 n;
  49
  50             // comments
  51             if( aLine.startsWith( "#" ) )
  52                 continue;
  53
  54             // a[en_US] = Bob
  55             if( ( n = aLine.indexOf( '=' ) ) >= 1)
  56             {
  57                 aKey = OStringToOUString(
  58                     o3tl::trim(aLine.subView( 0, n )), RTL_TEXTENCODING_ASCII_US );
  59                 aValue = OStringToOUString(
  60                     o3tl::trim(aLine.subView( n + 1 )), RTL_TEXTENCODING_UTF8 );
  61
  62                 if( ( n = aKey.indexOf( '[' ) ) >= 1 )
  63                 {
  64                     aLocale = o3tl::trim(aKey.subView( n + 1 ));
  65                     aKey = o3tl::trim(aKey.subView( 0, n ));
  66                     if( (n = aLocale.indexOf( ']' ) ) >= 1 )
  67                         aLocale = o3tl::trim(aLocale.subView( 0, n ));
  68                 }
  69             }
  70             SAL_INFO("svx", "ini file has '" << aKey << "' [ '" << aLocale << "' ] = '" << aValue << "'");
  71
  72             // grisly language matching, is this not available somewhere else?
  73             if( aKey == aKeyName )
  74             {
  75                 /* FIXME-BCP47: what is this supposed to do? */
  76                 n = 0;
  77                 OUString aLang = aLocale.replace('_','-');
  78                 for( const auto& rFallback : aFallbacks )
  79                 {
  80                     SAL_INFO( "svx", "compare '" << aLang << "' with '" << rFallback << "' rank " << nRank << " vs. " << n );
  81                     if( rFallback == aLang && n < nRank ) {
  82                         nRank = n; // try to get the most accurate match
  83                         aResult = aValue;
  84                     }
  85                     ++n;
  86                 }
  87             }
  88         }
  89     }
  90
  91     SAL_INFO( "svx", "readStrFromIni returns '" << aResult << "'");
  92     return aResult;
  93 }
  94
  95 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */