vcl/source/filter/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.
   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  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  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 #pragma once
  21
  22 #include <rtl/string.hxx>
  23 #include <sal/types.h>
  24 #include <tools/long.hxx>
  25
  26 class SvStream;
  27
  28 class DXFGroupReader
  29 {
  30 public:
  31     explicit DXFGroupReader( SvStream & rIStream );
  32
  33     bool GetStatus() const;
  34
  35     void SetError();
  36
  37     sal_uInt16 Read();
  38         // Reads next group and returns the group code.
  39         // In case of an error GetStatus() returns sal_False, group code will be set
  40         // to 0 and SetS(0,"EOF") will be executed.
  41     bool Read(sal_uInt16 nExpectedG) { return Read() == nExpectedG; }
  42
  43     sal_uInt16 GetG() const;
  44         // Return the last group code (the one the last Read() did return).
  45
  46     tools::Long   GetI() const;
  47         // Returns the integer value of the group which was read earlier with Read().
  48         // This read must have returned a group code for datatype Integer.
  49         // If not 0 is returned
  50
  51     double GetF() const;
  52         // Returns the floating point value of the group which was read earlier with Read().
  53         // This read must have returned a group code for datatype Floatingpoint.
  54         // If not 0 is returned
  55
  56     const OString& GetS() const;
  57         // Returns the string of the group which was read earlier with Read().
  58         // This read must have returned a group code for datatype String.
  59         // If not NULL is returned
  60
  61     sal_uInt64 remainingSize() const;
  62 private:
  63
  64     tools::Long   ReadI();
  65     double ReadF();
  66     void   ReadS();
  67
  68     SvStream & rIS;
  69     bool bStatus;
  70     sal_uInt16 nLastG;
  71
  72     OString S;
  73     union {
  74         double F;
  75         tools::Long I;
  76     };
  77 };
  78
  79
  80 inline bool DXFGroupReader::GetStatus() const
  81 {
  82     return bStatus;
  83 }
  84
  85
  86 inline void DXFGroupReader::SetError()
  87 {
  88     bStatus=false;
  89 }
  90
  91 inline sal_uInt16 DXFGroupReader::GetG() const
  92 {
  93     return nLastG;
  94 }
  95
  96 inline tools::Long DXFGroupReader::GetI() const
  97 {
  98     return I;
  99 }
 100
 101 inline double DXFGroupReader::GetF() const
 102 {
 103     return F;
 104 }
 105
 106 inline const OString& DXFGroupReader::GetS() const
 107 {
 108     return S;
 109 }
 110
 111 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */