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       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*************************************************************************
       3                 :            :  *
       4                 :            :  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       5                 :            :  *
       6                 :            :  * Copyright 2000, 2010 Oracle and/or its affiliates.
       7                 :            :  *
       8                 :            :  * OpenOffice.org - a multi-platform office productivity suite
       9                 :            :  *
      10                 :            :  * This file is part of OpenOffice.org.
      11                 :            :  *
      12                 :            :  * OpenOffice.org is free software: you can redistribute it and/or modify
      13                 :            :  * it under the terms of the GNU Lesser General Public License version 3
      14                 :            :  * only, as published by the Free Software Foundation.
      15                 :            :  *
      16                 :            :  * OpenOffice.org is distributed in the hope that it will be useful,
      17                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      18                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      19                 :            :  * GNU Lesser General Public License version 3 for more details
      20                 :            :  * (a copy is included in the LICENSE file that accompanied this code).
      21                 :            :  *
      22                 :            :  * You should have received a copy of the GNU Lesser General Public License
      23                 :            :  * version 3 along with OpenOffice.org.  If not, see
      24                 :            :  * <http://www.openoffice.org/license.html>
      25                 :            :  * for a copy of the LGPLv3 License.
      26                 :            :  *
      27                 :            :  ************************************************************************/
      28                 :            : 
      29                 :            : // Description:
      30                 :            : // Parse a string of features specified as ; separated pairs.
      31                 :            : // e.g.
      32                 :            : // 1001=1&2002=2&fav1=0
      33                 :            : #include <sal/types.h>
      34                 :            : #include <rtl/ustring.hxx>
      35                 :            : #include <graphite2/Font.h>
      36                 :            : 
      37                 :            : namespace grutils
      38                 :            : {
      39                 :            :     union FeatId
      40                 :            :     {
      41                 :            :         gr_uint32 num;
      42                 :            :         unsigned char label[5];
      43                 :            :     };
      44                 :            : 
      45                 :            :     class GrFeatureParser
      46                 :            :     {
      47                 :            :     public:
      48                 :            :         enum { MAX_FEATURES = 64 };
      49                 :            :         static const char FEAT_PREFIX;
      50                 :            :         static const char FEAT_SEPARATOR;
      51                 :            :         static const char FEAT_ID_VALUE_SEPARATOR;
      52                 :            :         GrFeatureParser(const gr_face * face, const ::rtl::OString features, const ::rtl::OString lang);
      53                 :            :         GrFeatureParser(const gr_face * face, const ::rtl::OString lang);
      54                 :            :         ~GrFeatureParser();
      55                 :            :         //size_t getFontFeatures(gr::FeatureSetting settings[MAX_FEATURES]) const;
      56                 :            :         bool parseErrors() { return mbErrors; };
      57                 :            :         //static bool isValid(gr::Font & font, gr::FeatureSetting & setting);
      58                 :            :         gr_uint32 getLanguage() const { return maLang.num; };
      59                 :            :         bool hasLanguage() const { return (maLang.label[0] != '\0'); }
      60                 :            :         sal_Int32 hashCode() const { return mnHash; }
      61                 :            :         size_t numFeatures() const { return mnNumSettings; }
      62                 :          0 :         gr_feature_val * values() const { return mpSettings; };
      63                 :            :     private:
      64                 :            :         GrFeatureParser(const GrFeatureParser & copy);
      65                 :            :         void setLang(const gr_face * face, const ::rtl::OString & lang);
      66                 :            :         bool isCharId(const ::rtl::OString & id, size_t offset, size_t length);
      67                 :            :         gr_uint32 getCharId(const ::rtl::OString & id, size_t offset, size_t length);
      68                 :            :         short getIntValue(const ::rtl::OString & id, size_t offset, size_t length);
      69                 :            :         size_t mnNumSettings;
      70                 :            :         FeatId maLang;
      71                 :            :         bool mbErrors;
      72                 :            :         sal_uInt32 mnHash;
      73                 :            :         gr_feature_val * mpSettings;
      74                 :            :     };
      75                 :            : 
      76                 :            : }
      77                 :            : 
      78                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */