vcl/source/font/FeatureParser.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 #include <vcl/font/FeatureParser.hxx>
  12 #include <vcl/font/Feature.hxx>
  13
  14 namespace vcl
  15 {
  16 namespace font
  17 {
  18 OUString trimFontNameFeatures(OUString const& rFontName)
  19 {
  20     const sal_Int32 nPrefixIdx{ rFontName.indexOf(vcl::font::FeaturePrefix) };
  21
  22     if (nPrefixIdx < 0)
  23         return rFontName;
  24
  25     return rFontName.copy(0, nPrefixIdx);
  26 }
  27
  28 FeatureParser::FeatureParser(OUString const& rFontName)
  29 {
  30     sal_Int32 nPrefixIdx{ rFontName.indexOf(vcl::font::FeaturePrefix) };
  31
  32     if (nPrefixIdx < 0)
  33         return;
  34
  35     OUString sName = rFontName.copy(++nPrefixIdx);
  36     sal_Int32 nIndex = 0;
  37     do
  38     {
  39         OUString sToken = sName.getToken(0, vcl::font::FeatureSeparator, nIndex);
  40
  41         sal_Int32 nInnerIdx{ 0 };
  42         OUString sID = sToken.getToken(0, '=', nInnerIdx);
  43
  44         if (sID == "lang")
  45         {
  46             m_sLanguage = sToken.getToken(0, '=', nInnerIdx);
  47         }
  48         else
  49         {
  50             OString sFeature = OUStringToOString(sToken, RTL_TEXTENCODING_ASCII_US);
  51             FeatureSetting aFeature(sFeature);
  52             if (aFeature.m_nTag != 0)
  53                 m_aFeatures.push_back(aFeature);
  54         }
  55     } while (nIndex >= 0);
  56 }
  57
  58 std::unordered_map<uint32_t, uint32_t> FeatureParser::getFeaturesMap() const
  59 {
  60     std::unordered_map<uint32_t, uint32_t> aResultMap;
  61     for (auto const& rFeat : m_aFeatures)
  62     {
  63         if (rFeat.m_nValue != 0)
  64             aResultMap.emplace(rFeat.m_nTag, rFeat.m_nValue);
  65     }
  66     return aResultMap;
  67 }
  68
  69 } // end font namespace
  70
  71 } // end vcl namespace
  72
  73 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */