hwpfilter/source/hstyle.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  * 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 #include "precompile.h"
  21
  22 #include <comphelper/newarray.hxx>
  23
  24 #include "hwplib.h"
  25 #include "hwpfile.h"
  26 #include "hstyle.h"
  27
  28 enum
  29 { MAXSTYLENAME = 20 };
  30
  31 #define DATA static_cast<StyleData *>(style)
  32
  33 struct StyleData
  34 {
  35     char name[MAXSTYLENAME + 1];
  36     CharShape cshape;
  37     ParaShape pshape;
  38 };
  39
  40 static char buffer[MAXSTYLENAME + 1];
  41
  42 HWPStyle::HWPStyle()
  43 {
  44     nstyles = 0;
  45     style = nullptr;
  46 }
  47
  48
  49 HWPStyle::~HWPStyle()
  50 {
  51     delete[]DATA;
  52     nstyles = 0;
  53 }
  54
  55
  56 char *HWPStyle::GetName(int n) const
  57 {
  58     if (!(n >= 0 && n < nstyles))
  59         return nullptr;
  60     return DATA[n].name;
  61 }
  62
  63
  64 void HWPStyle::SetName(int n, char const *name)
  65 {
  66     if (n >= 0 && n < nstyles)
  67     {
  68         if (name)
  69         {
  70 #if defined __GNUC__ && (__GNUC__ == 8 || __GNUC__ == 9) && !defined __clang__
  71 #pragma GCC diagnostic push
  72 #pragma GCC diagnostic ignored "-Wstringop-truncation"
  73 #endif
  74             auto const p = DATA[n].name;
  75             strncpy(p, name, MAXSTYLENAME);
  76             p[MAXSTYLENAME] = '\0'; // just in case, even though the array is zero-initialized
  77 #if defined __GNUC__ && (__GNUC__ == 8 || __GNUC__ == 9) && !defined __clang__
  78 #pragma GCC diagnostic pop
  79 #endif
  80         }
  81         else
  82             DATA[n].name[0] = 0;
  83     }
  84 }
  85
  86
  87 CharShape *HWPStyle::GetCharShape(int n) const
  88 {
  89     if (!(n >= 0 && n < nstyles))
  90         return nullptr;
  91     return &DATA[n].cshape;
  92 }
  93
  94
  95 void HWPStyle::SetCharShape(int n, CharShape const * cshapep)
  96 {
  97     if (n >= 0 && n < nstyles)
  98     {
  99         if (cshapep)
 100             DATA[n].cshape = *cshapep;
 101         else
 102             memset(&DATA[n].cshape, 0, sizeof(CharShape));
 103     }
 104 }
 105
 106
 107 ParaShape *HWPStyle::GetParaShape(int n) const
 108 {
 109     if (!(n >= 0 && n < nstyles))
 110         return nullptr;
 111     return &DATA[n].pshape;
 112 }
 113
 114
 115 void HWPStyle::SetParaShape(int n, ParaShape const * pshapep)
 116 {
 117     if (n >= 0 && n < nstyles)
 118     {
 119         if (pshapep)
 120             DATA[n].pshape = *pshapep;
 121         else
 122             DATA[n].pshape = ParaShape();
 123     }
 124 }
 125
 126
 127 void HWPStyle::Read(HWPFile & hwpf)
 128 {
 129     CharShape cshape;
 130     ParaShape pshape;
 131
 132     hwpf.Read2b(&nstyles, 1);
 133     style = ::comphelper::newArray_null<StyleData>(nstyles);
 134     if (!style)
 135         return;
 136
 137     for (int ii = 0; ii < nstyles; ii++)
 138     {
 139         hwpf.ReadBlock(buffer, MAXSTYLENAME);
 140         cshape.Read(hwpf);
 141         pshape.Read(hwpf);
 142
 143         SetName(ii, buffer);
 144         SetCharShape(ii, &cshape);
 145         SetParaShape(ii, &pshape);
 146         if (hwpf.State())
 147             return;
 148     }
 149 }
 150
 151 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */