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 {
  30     MAXSTYLENAME = 20
  31 };
  32
  33 #define DATA static_cast<StyleData*>(style)
  34
  35 namespace
  36 {
  37 struct StyleData
  38 {
  39     char name[MAXSTYLENAME + 1];
  40     CharShape cshape;
  41     ParaShape pshape;
  42 };
  43 }
  44
  45 static char buffer[MAXSTYLENAME + 1];
  46
  47 HWPStyle::HWPStyle()
  48 {
  49     nstyles = 0;
  50     style = nullptr;
  51 }
  52
  53 HWPStyle::~HWPStyle()
  54 {
  55     delete[] DATA;
  56     nstyles = 0;
  57 }
  58
  59 char* HWPStyle::GetName(int n) const
  60 {
  61     if (n < 0 || n >= nstyles)
  62         return nullptr;
  63     return DATA[n].name;
  64 }
  65
  66 void HWPStyle::SetName(int n, char const* name)
  67 {
  68     if (n < 0 || n >= nstyles)
  69         return;
  70
  71     if (name)
  72     {
  73 #if defined __GNUC__ && (__GNUC__ >= 8 && __GNUC__ <= 10) && !defined __clang__
  74 #pragma GCC diagnostic push
  75 #pragma GCC diagnostic ignored "-Wstringop-truncation"
  76 #endif
  77         auto const p = DATA[n].name;
  78         strncpy(p, name, MAXSTYLENAME);
  79         p[MAXSTYLENAME] = '\0'; // just in case, even though the array is zero-initialized
  80 #if defined __GNUC__ && (__GNUC__ >= 8 && __GNUC__ <= 10) && !defined __clang__
  81 #pragma GCC diagnostic pop
  82 #endif
  83     }
  84     else
  85         DATA[n].name[0] = 0;
  86 }
  87
  88 CharShape* HWPStyle::GetCharShape(int n) const
  89 {
  90     if (n < 0 || n >= nstyles)
  91         return nullptr;
  92     return &DATA[n].cshape;
  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 ParaShape* HWPStyle::GetParaShape(int n) const
 107 {
 108     if (n < 0 || n >= nstyles)
 109         return nullptr;
 110     return &DATA[n].pshape;
 111 }
 112
 113 void HWPStyle::SetParaShape(int n, ParaShape const* pshapep)
 114 {
 115     if (n >= 0 && n < nstyles)
 116     {
 117         if (pshapep)
 118             DATA[n].pshape = *pshapep;
 119         else
 120             DATA[n].pshape = ParaShape();
 121     }
 122 }
 123
 124 void HWPStyle::Read(HWPFile& hwpf)
 125 {
 126     CharShape cshape;
 127     ParaShape pshape;
 128
 129     hwpf.Read2b(&nstyles, 1);
 130     style = ::comphelper::newArray_null<StyleData>(nstyles);
 131     if (!style)
 132         return;
 133
 134     for (int ii = 0; ii < nstyles; ii++)
 135     {
 136         hwpf.ReadBlock(buffer, MAXSTYLENAME);
 137         cshape.Read(hwpf);
 138         pshape.Read(hwpf);
 139
 140         SetName(ii, buffer);
 141         SetCharShape(ii, &cshape);
 142         SetParaShape(ii, &pshape);
 143         if (hwpf.State())
 144             return;
 145     }
 146 }
 147
 148 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */