Line data    Source code

       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             : #ifndef INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFGRPRD_HXX
      21             : #define INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFGRPRD_HXX
      22             : 
      23             : #include <sal/types.h>
      24             : 
      25             : #include <tools/stream.hxx>
      26             : 
      27             : 
      28           1 : class DXFGroupReader
      29             : {
      30             : 
      31             : public:
      32             : 
      33             :     DXFGroupReader( SvStream & rIStream );
      34             : 
      35             :     bool GetStatus() const;
      36             : 
      37             :     void SetError();
      38             : 
      39             :     sal_uInt16 Read();
      40             :         // Reads next group and returns the group code.
      41             :         // In case of an error GetStatus() returns sal_False, group code will be set
      42             :         // to 0 and SetS(0,"EOF") will be executed.
      43           0 :     bool Read(sal_uInt16 nExpectedG) { return Read() == nExpectedG; }
      44             : 
      45             :     sal_uInt16 GetG() const;
      46             :         // Return the last group code (the one the last Read() did return).
      47             : 
      48             :     long   GetI() const;
      49             :         // Returns the integer value of the group which was read earlier with Read().
      50             :         // This read must have returned a group code for datatype Integer.
      51             :         // If not 0 is returend
      52             : 
      53             :     double GetF() const;
      54             :         // Returns the floating point value of the group which was read earlier with Read().
      55             :         // This read must have returned a group code for datatype Floatingpoint.
      56             :         // If not 0 is returend
      57             : 
      58             :     const OString& GetS() const;
      59             :         // Returns the string of the group which was read earlier with Read().
      60             :         // This read must have returned a group code for datatype String.
      61             :         // If not NULL is returend
      62             : 
      63             :     // The following methods can change the current values of group codes
      64             :     // (e.g. to set default values, before 'blindly' reading lots of groups)
      65             : 
      66             :     void SetS(); // (will be copied)
      67             : 
      68             : private:
      69             : 
      70             :     long   ReadI();
      71             :     double ReadF();
      72             :     void   ReadS();
      73             : 
      74             :     SvStream & rIS;
      75             :     bool bStatus;
      76             :     sal_uInt16 nLastG;
      77             :     sal_uLong nGCount;
      78             : 
      79             :     sal_uLong nFileSize;
      80             : 
      81             :     OString S;
      82             :     union {
      83             :         double F;
      84             :         long I;
      85             :     };
      86             : };
      87             : 
      88             : 
      89           1 : inline bool DXFGroupReader::GetStatus() const
      90             : {
      91           1 :     return bStatus;
      92             : }
      93             : 
      94             : 
      95           0 : inline void DXFGroupReader::SetError()
      96             : {
      97           0 :     bStatus=false;
      98           0 : }
      99             : 
     100         400 : inline sal_uInt16 DXFGroupReader::GetG() const
     101             : {
     102         400 :     return nLastG;
     103             : }
     104             : 
     105           0 : inline long DXFGroupReader::GetI() const
     106             : {
     107           0 :     return I;
     108             : }
     109             : 
     110           0 : inline double DXFGroupReader::GetF() const
     111             : {
     112           0 :     return F;
     113             : }
     114             : 
     115          58 : inline const OString& DXFGroupReader::GetS() const
     116             : {
     117          58 :     return S;
     118             : }
     119             : 
     120             : #endif
     121             : 
     122             : 
     123             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */