filter/source/graphicfilter/idxf/dxfgrprd.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
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  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFGRPRD_HXX
  21 #define INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFGRPRD_HXX
  22
  23 #include <rtl/string.hxx>
  24 #include <sal/types.h>
  25 #include <tools/long.hxx>
  26
  27 class SvStream;
  28
  29 class DXFGroupReader
  30 {
  31 public:
  32     explicit DXFGroupReader( SvStream & rIStream );
  33
  34     bool GetStatus() const;
  35
  36     void SetError();
  37
  38     sal_uInt16 Read();
  39         // Reads next group and returns the group code.
  40         // In case of an error GetStatus() returns sal_False, group code will be set
  41         // to 0 and SetS(0,"EOF") will be executed.
  42     bool Read(sal_uInt16 nExpectedG) { return Read() == nExpectedG; }
  43
  44     sal_uInt16 GetG() const;
  45         // Return the last group code (the one the last Read() did return).
  46
  47     tools::Long   GetI() const;
  48         // Returns the integer value of the group which was read earlier with Read().
  49         // This read must have returned a group code for datatype Integer.
  50         // If not 0 is returned
  51
  52     double GetF() const;
  53         // Returns the floating point value of the group which was read earlier with Read().
  54         // This read must have returned a group code for datatype Floatingpoint.
  55         // If not 0 is returned
  56
  57     const OString& GetS() const;
  58         // Returns the string of the group which was read earlier with Read().
  59         // This read must have returned a group code for datatype String.
  60         // If not NULL is returned
  61
  62     sal_uInt64 remainingSize() const;
  63 private:
  64
  65     tools::Long   ReadI();
  66     double ReadF();
  67     void   ReadS();
  68
  69     SvStream & rIS;
  70     bool bStatus;
  71     sal_uInt16 nLastG;
  72
  73     OString S;
  74     union {
  75         double F;
  76         tools::Long I;
  77     };
  78 };
  79
  80
  81 inline bool DXFGroupReader::GetStatus() const
  82 {
  83     return bStatus;
  84 }
  85
  86
  87 inline void DXFGroupReader::SetError()
  88 {
  89     bStatus=false;
  90 }
  91
  92 inline sal_uInt16 DXFGroupReader::GetG() const
  93 {
  94     return nLastG;
  95 }
  96
  97 inline tools::Long DXFGroupReader::GetI() const
  98 {
  99     return I;
 100 }
 101
 102 inline double DXFGroupReader::GetF() const
 103 {
 104     return F;
 105 }
 106
 107 inline const OString& DXFGroupReader::GetS() const
 108 {
 109     return S;
 110 }
 111
 112 #endif
 113
 114
 115 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */