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5 <title>TB9.2 Example Applications: examples/PIPS/antiword/src/tabstop.c Source File</title> |
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11 <h1>examples/PIPS/antiword/src/tabstop.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> |
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12 <a name="l00002"></a>00002 <span class="comment"> * tabstops.c</span> |
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13 <a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1999-2004 A.J. van Os; Released under GNU GPL</span> |
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14 <a name="l00004"></a>00004 <span class="comment"> *</span> |
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15 <a name="l00005"></a>00005 <span class="comment"> * Description:</span> |
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16 <a name="l00006"></a>00006 <span class="comment"> * Read the tab stop information from a MS Word file</span> |
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17 <a name="l00007"></a>00007 <span class="comment"> */</span> |
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18 <a name="l00008"></a>00008 |
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19 <a name="l00009"></a>00009 <span class="preprocessor">#include <stdio.h></span> |
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20 <a name="l00010"></a>00010 <span class="preprocessor">#include "antiword.h"</span> |
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21 <a name="l00011"></a>00011 |
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22 <a name="l00012"></a>00012 <span class="preprocessor">#define HALF_INCH 36000L </span><span class="comment">/* In millipoints */</span> |
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23 <a name="l00013"></a>00013 |
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24 <a name="l00014"></a>00014 <span class="keyword">static</span> <span class="keywordtype">long</span> lDefaultTabWidth = HALF_INCH; |
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25 <a name="l00015"></a>00015 |
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26 <a name="l00016"></a>00016 |
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27 <a name="l00017"></a>00017 <span class="comment">/*</span> |
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28 <a name="l00018"></a>00018 <span class="comment"> * vSet0DefaultTabWidth -</span> |
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29 <a name="l00019"></a>00019 <span class="comment"> */</span> |
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30 <a name="l00020"></a>00020 <span class="keyword">static</span> <span class="keywordtype">void</span> |
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31 <a name="l00021"></a>00021 vSet0DefaultTabWidth(<span class="keyword">const</span> UCHAR *aucHeader) |
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32 <a name="l00022"></a>00022 { |
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33 <a name="l00023"></a>00023 USHORT usTmp; |
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34 <a name="l00024"></a>00024 |
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35 <a name="l00025"></a>00025 fail(aucHeader == NULL); |
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36 <a name="l00026"></a>00026 |
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37 <a name="l00027"></a>00027 usTmp = usGetWord(0x70, aucHeader); <span class="comment">/* dxaTab */</span> |
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38 <a name="l00028"></a>00028 DBG_DEC(usTmp); |
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39 <a name="l00029"></a>00029 lDefaultTabWidth = usTmp == 0 ? HALF_INCH : lTwips2MilliPoints(usTmp); |
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40 <a name="l00030"></a>00030 DBG_DEC(lDefaultTabWidth); |
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41 <a name="l00031"></a>00031 } <span class="comment">/* end of vSet0DefaultTabWidth */</span> |
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42 <a name="l00032"></a>00032 |
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43 <a name="l00033"></a>00033 <span class="comment">/*</span> |
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44 <a name="l00034"></a>00034 <span class="comment"> * vSet2DefaultTabWidth -</span> |
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45 <a name="l00035"></a>00035 <span class="comment"> */</span> |
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46 <a name="l00036"></a>00036 <span class="keyword">static</span> <span class="keywordtype">void</span> |
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47 <a name="l00037"></a>00037 vSet2DefaultTabWidth(FILE *pFile, <span class="keyword">const</span> UCHAR *aucHeader) |
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48 <a name="l00038"></a>00038 { |
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49 <a name="l00039"></a>00039 UCHAR *aucBuffer; |
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50 <a name="l00040"></a>00040 ULONG ulBeginDocpInfo; |
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51 <a name="l00041"></a>00041 <span class="keywordtype">size_t</span> tDocpInfoLen; |
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52 <a name="l00042"></a>00042 USHORT usTmp; |
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53 <a name="l00043"></a>00043 |
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54 <a name="l00044"></a>00044 fail(pFile == NULL || aucHeader == NULL); |
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55 <a name="l00045"></a>00045 |
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56 <a name="l00046"></a>00046 ulBeginDocpInfo = ulGetLong(0x112, aucHeader); <span class="comment">/* fcDop */</span> |
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57 <a name="l00047"></a>00047 DBG_HEX(ulBeginDocpInfo); |
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58 <a name="l00048"></a>00048 tDocpInfoLen = (size_t)usGetWord(0x116, aucHeader); <span class="comment">/* cbDop */</span> |
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59 <a name="l00049"></a>00049 DBG_DEC(tDocpInfoLen); |
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60 <a name="l00050"></a>00050 <span class="keywordflow">if</span> (tDocpInfoLen < 12) { |
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61 <a name="l00051"></a>00051 DBG_MSG(<span class="stringliteral">"No TAB information"</span>); |
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62 <a name="l00052"></a>00052 <span class="keywordflow">return</span>; |
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63 <a name="l00053"></a>00053 } |
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64 <a name="l00054"></a>00054 |
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65 <a name="l00055"></a>00055 aucBuffer = xmalloc(tDocpInfoLen); |
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66 <a name="l00056"></a>00056 <span class="keywordflow">if</span> (!bReadBytes(aucBuffer, tDocpInfoLen, ulBeginDocpInfo, pFile)) { |
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67 <a name="l00057"></a>00057 aucBuffer = xfree(aucBuffer); |
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68 <a name="l00058"></a>00058 <span class="keywordflow">return</span>; |
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69 <a name="l00059"></a>00059 } |
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70 <a name="l00060"></a>00060 usTmp = usGetWord(0x0a, aucBuffer); <span class="comment">/* dxaTab */</span> |
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71 <a name="l00061"></a>00061 lDefaultTabWidth = usTmp == 0 ? HALF_INCH : lTwips2MilliPoints(usTmp); |
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72 <a name="l00062"></a>00062 DBG_DEC(lDefaultTabWidth); |
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73 <a name="l00063"></a>00063 aucBuffer = xfree(aucBuffer); |
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74 <a name="l00064"></a>00064 } <span class="comment">/* end of vSet2DefaultTabWidth */</span> |
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75 <a name="l00065"></a>00065 |
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76 <a name="l00066"></a>00066 <span class="comment">/*</span> |
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77 <a name="l00067"></a>00067 <span class="comment"> * vSet6DefaultTabWidth -</span> |
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78 <a name="l00068"></a>00068 <span class="comment"> */</span> |
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79 <a name="l00069"></a>00069 <span class="keyword">static</span> <span class="keywordtype">void</span> |
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80 <a name="l00070"></a>00070 vSet6DefaultTabWidth(FILE *pFile, ULONG ulStartBlock, |
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81 <a name="l00071"></a>00071 <span class="keyword">const</span> ULONG *aulBBD, <span class="keywordtype">size_t</span> tBBDLen, <span class="keyword">const</span> UCHAR *aucHeader) |
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82 <a name="l00072"></a>00072 { |
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83 <a name="l00073"></a>00073 UCHAR *aucBuffer; |
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84 <a name="l00074"></a>00074 ULONG ulBeginDocpInfo; |
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85 <a name="l00075"></a>00075 <span class="keywordtype">size_t</span> tDocpInfoLen; |
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86 <a name="l00076"></a>00076 USHORT usTmp; |
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87 <a name="l00077"></a>00077 |
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88 <a name="l00078"></a>00078 ulBeginDocpInfo = ulGetLong(0x150, aucHeader); <span class="comment">/* fcDop */</span> |
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89 <a name="l00079"></a>00079 DBG_HEX(ulBeginDocpInfo); |
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90 <a name="l00080"></a>00080 tDocpInfoLen = (size_t)ulGetLong(0x154, aucHeader); <span class="comment">/* lcbDop */</span> |
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91 <a name="l00081"></a>00081 DBG_DEC(tDocpInfoLen); |
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92 <a name="l00082"></a>00082 <span class="keywordflow">if</span> (tDocpInfoLen < 12) { |
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93 <a name="l00083"></a>00083 DBG_MSG(<span class="stringliteral">"No TAB information"</span>); |
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94 <a name="l00084"></a>00084 <span class="keywordflow">return</span>; |
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95 <a name="l00085"></a>00085 } |
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96 <a name="l00086"></a>00086 |
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97 <a name="l00087"></a>00087 aucBuffer = xmalloc(tDocpInfoLen); |
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98 <a name="l00088"></a>00088 <span class="keywordflow">if</span> (!bReadBuffer(pFile, ulStartBlock, |
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99 <a name="l00089"></a>00089 aulBBD, tBBDLen, BIG_BLOCK_SIZE, |
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100 <a name="l00090"></a>00090 aucBuffer, ulBeginDocpInfo, tDocpInfoLen)) { |
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101 <a name="l00091"></a>00091 aucBuffer = xfree(aucBuffer); |
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102 <a name="l00092"></a>00092 <span class="keywordflow">return</span>; |
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103 <a name="l00093"></a>00093 } |
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104 <a name="l00094"></a>00094 usTmp = usGetWord(0x0a, aucBuffer); <span class="comment">/* dxaTab */</span> |
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105 <a name="l00095"></a>00095 lDefaultTabWidth = usTmp == 0 ? HALF_INCH : lTwips2MilliPoints(usTmp); |
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106 <a name="l00096"></a>00096 DBG_DEC(lDefaultTabWidth); |
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107 <a name="l00097"></a>00097 aucBuffer = xfree(aucBuffer); |
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108 <a name="l00098"></a>00098 } <span class="comment">/* end of vSet6DefaultTabWidth */</span> |
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109 <a name="l00099"></a>00099 |
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110 <a name="l00100"></a>00100 <span class="comment">/*</span> |
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111 <a name="l00101"></a>00101 <span class="comment"> * vSet8DefaultTabWidth -</span> |
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112 <a name="l00102"></a>00102 <span class="comment"> */</span> |
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113 <a name="l00103"></a>00103 <span class="keyword">static</span> <span class="keywordtype">void</span> |
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114 <a name="l00104"></a>00104 vSet8DefaultTabWidth(FILE *pFile, <span class="keyword">const</span> pps_info_type *pPPS, |
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115 <a name="l00105"></a>00105 <span class="keyword">const</span> ULONG *aulBBD, <span class="keywordtype">size_t</span> tBBDLen, |
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116 <a name="l00106"></a>00106 <span class="keyword">const</span> ULONG *aulSBD, <span class="keywordtype">size_t</span> tSBDLen, |
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117 <a name="l00107"></a>00107 <span class="keyword">const</span> UCHAR *aucHeader) |
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118 <a name="l00108"></a>00108 { |
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119 <a name="l00109"></a>00109 <span class="keyword">const</span> ULONG *aulBlockDepot; |
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120 <a name="l00110"></a>00110 UCHAR *aucBuffer; |
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121 <a name="l00111"></a>00111 ULONG ulBeginDocpInfo; |
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122 <a name="l00112"></a>00112 <span class="keywordtype">size_t</span> tDocpInfoLen, tBlockDepotLen, tBlockSize; |
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123 <a name="l00113"></a>00113 USHORT usTmp; |
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124 <a name="l00114"></a>00114 |
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125 <a name="l00115"></a>00115 ulBeginDocpInfo = ulGetLong(0x192, aucHeader); <span class="comment">/* fcDop */</span> |
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126 <a name="l00116"></a>00116 DBG_HEX(ulBeginDocpInfo); |
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127 <a name="l00117"></a>00117 tDocpInfoLen = (size_t)ulGetLong(0x196, aucHeader); <span class="comment">/* lcbDop */</span> |
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128 <a name="l00118"></a>00118 DBG_DEC(tDocpInfoLen); |
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129 <a name="l00119"></a>00119 <span class="keywordflow">if</span> (tDocpInfoLen < 12) { |
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130 <a name="l00120"></a>00120 DBG_MSG(<span class="stringliteral">"No TAB information"</span>); |
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131 <a name="l00121"></a>00121 <span class="keywordflow">return</span>; |
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132 <a name="l00122"></a>00122 } |
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133 <a name="l00123"></a>00123 |
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134 <a name="l00124"></a>00124 DBG_DEC(pPPS->tTable.ulSB); |
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135 <a name="l00125"></a>00125 DBG_HEX(pPPS->tTable.ulSize); |
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136 <a name="l00126"></a>00126 <span class="keywordflow">if</span> (pPPS->tTable.ulSize == 0) { |
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137 <a name="l00127"></a>00127 DBG_MSG(<span class="stringliteral">"No TAB information"</span>); |
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138 <a name="l00128"></a>00128 <span class="keywordflow">return</span>; |
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139 <a name="l00129"></a>00129 } |
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140 <a name="l00130"></a>00130 |
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141 <a name="l00131"></a>00131 <span class="keywordflow">if</span> (pPPS->tTable.ulSize < MIN_SIZE_FOR_BBD_USE) { |
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142 <a name="l00132"></a>00132 <span class="comment">/* Use the Small Block Depot */</span> |
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143 <a name="l00133"></a>00133 aulBlockDepot = aulSBD; |
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144 <a name="l00134"></a>00134 tBlockDepotLen = tSBDLen; |
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145 <a name="l00135"></a>00135 tBlockSize = SMALL_BLOCK_SIZE; |
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146 <a name="l00136"></a>00136 } <span class="keywordflow">else</span> { |
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147 <a name="l00137"></a>00137 <span class="comment">/* Use the Big Block Depot */</span> |
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148 <a name="l00138"></a>00138 aulBlockDepot = aulBBD; |
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149 <a name="l00139"></a>00139 tBlockDepotLen = tBBDLen; |
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150 <a name="l00140"></a>00140 tBlockSize = BIG_BLOCK_SIZE; |
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151 <a name="l00141"></a>00141 } |
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152 <a name="l00142"></a>00142 aucBuffer = xmalloc(tDocpInfoLen); |
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153 <a name="l00143"></a>00143 <span class="keywordflow">if</span> (!bReadBuffer(pFile, pPPS->tTable.ulSB, |
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154 <a name="l00144"></a>00144 aulBlockDepot, tBlockDepotLen, tBlockSize, |
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155 <a name="l00145"></a>00145 aucBuffer, ulBeginDocpInfo, tDocpInfoLen)) { |
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156 <a name="l00146"></a>00146 aucBuffer = xfree(aucBuffer); |
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157 <a name="l00147"></a>00147 <span class="keywordflow">return</span>; |
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158 <a name="l00148"></a>00148 } |
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159 <a name="l00149"></a>00149 usTmp = usGetWord(0x0a, aucBuffer); <span class="comment">/* dxaTab */</span> |
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160 <a name="l00150"></a>00150 lDefaultTabWidth = usTmp == 0 ? HALF_INCH : lTwips2MilliPoints(usTmp); |
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161 <a name="l00151"></a>00151 DBG_DEC(lDefaultTabWidth); |
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162 <a name="l00152"></a>00152 aucBuffer = xfree(aucBuffer); |
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163 <a name="l00153"></a>00153 } <span class="comment">/* end of vSet8DefaultTabWidth */</span> |
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164 <a name="l00154"></a>00154 |
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165 <a name="l00155"></a>00155 <span class="comment">/*</span> |
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166 <a name="l00156"></a>00156 <span class="comment"> * vSetDefaultTabWidth -</span> |
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167 <a name="l00157"></a>00157 <span class="comment"> */</span> |
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168 <a name="l00158"></a>00158 <span class="keywordtype">void</span> |
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169 <a name="l00159"></a>00159 vSetDefaultTabWidth(FILE *pFile, <span class="keyword">const</span> pps_info_type *pPPS, |
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170 <a name="l00160"></a>00160 <span class="keyword">const</span> ULONG *aulBBD, <span class="keywordtype">size_t</span> tBBDLen, |
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171 <a name="l00161"></a>00161 <span class="keyword">const</span> ULONG *aulSBD, <span class="keywordtype">size_t</span> tSBDLen, |
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172 <a name="l00162"></a>00162 <span class="keyword">const</span> UCHAR *aucHeader, <span class="keywordtype">int</span> iWordVersion) |
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173 <a name="l00163"></a>00163 { |
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174 <a name="l00164"></a>00164 fail(pFile == NULL && iWordVersion >= 1); |
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175 <a name="l00165"></a>00165 fail(pPPS == NULL && iWordVersion >= 6); |
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176 <a name="l00166"></a>00166 fail(aulBBD == NULL && tBBDLen != 0); |
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177 <a name="l00167"></a>00167 fail(aulSBD == NULL && tSBDLen != 0); |
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178 <a name="l00168"></a>00168 fail(aucHeader == NULL); |
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179 <a name="l00169"></a>00169 |
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180 <a name="l00170"></a>00170 <span class="comment">/* Reset to the default default value */</span> |
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181 <a name="l00171"></a>00171 lDefaultTabWidth = HALF_INCH; |
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182 <a name="l00172"></a>00172 |
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183 <a name="l00173"></a>00173 <span class="keywordflow">switch</span> (iWordVersion) { |
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184 <a name="l00174"></a>00174 <span class="keywordflow">case</span> 0: |
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185 <a name="l00175"></a>00175 vSet0DefaultTabWidth(aucHeader); |
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186 <a name="l00176"></a>00176 <span class="keywordflow">break</span>; |
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187 <a name="l00177"></a>00177 <span class="keywordflow">case</span> 1: |
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188 <a name="l00178"></a>00178 <span class="keywordflow">case</span> 2: |
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189 <a name="l00179"></a>00179 vSet2DefaultTabWidth(pFile, aucHeader); |
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190 <a name="l00180"></a>00180 <span class="keywordflow">break</span>; |
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191 <a name="l00181"></a>00181 <span class="keywordflow">case</span> 4: |
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192 <a name="l00182"></a>00182 <span class="keywordflow">case</span> 5: |
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193 <a name="l00183"></a>00183 <span class="keywordflow">break</span>; |
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194 <a name="l00184"></a>00184 <span class="keywordflow">case</span> 6: |
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195 <a name="l00185"></a>00185 <span class="keywordflow">case</span> 7: |
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196 <a name="l00186"></a>00186 vSet6DefaultTabWidth(pFile, pPPS->tWordDocument.ulSB, |
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197 <a name="l00187"></a>00187 aulBBD, tBBDLen, aucHeader); |
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198 <a name="l00188"></a>00188 <span class="keywordflow">break</span>; |
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199 <a name="l00189"></a>00189 <span class="keywordflow">case</span> 8: |
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200 <a name="l00190"></a>00190 vSet8DefaultTabWidth(pFile, pPPS, |
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201 <a name="l00191"></a>00191 aulBBD, tBBDLen, aulSBD, tSBDLen, aucHeader); |
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202 <a name="l00192"></a>00192 <span class="keywordflow">break</span>; |
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203 <a name="l00193"></a>00193 <span class="keywordflow">default</span>: |
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204 <a name="l00194"></a>00194 werr(0, <span class="stringliteral">"Sorry, no TAB information"</span>); |
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205 <a name="l00195"></a>00195 <span class="keywordflow">break</span>; |
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206 <a name="l00196"></a>00196 } |
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207 <a name="l00197"></a>00197 } <span class="comment">/* end of vSetDefaultTabWidth */</span> |
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208 <a name="l00198"></a>00198 |
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209 <a name="l00199"></a>00199 <span class="preprocessor">#if 0</span> |
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210 <a name="l00200"></a>00200 <span class="preprocessor"></span><span class="comment">/*</span> |
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211 <a name="l00201"></a>00201 <span class="comment"> * lGetDefaultTabWidth - Get the default tabwidth in millipoints</span> |
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212 <a name="l00202"></a>00202 <span class="comment"> */</span> |
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213 <a name="l00203"></a>00203 <span class="keywordtype">long</span> |
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214 <a name="l00204"></a>00204 lGetDefaultTabWidth(<span class="keywordtype">void</span>) |
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215 <a name="l00205"></a>00205 { |
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216 <a name="l00206"></a>00206 <span class="keywordflow">if</span> (lDefaultTabWidth <= 0) { |
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217 <a name="l00207"></a>00207 DBG_DEC(lDefaultTabWidth); |
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218 <a name="l00208"></a>00208 <span class="keywordflow">return</span> lTwips2MilliPoints(1); |
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219 <a name="l00209"></a>00209 } |
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220 <a name="l00210"></a>00210 <span class="keywordflow">return</span> lDefaultTabWidth; |
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221 <a name="l00211"></a>00211 } <span class="comment">/* end of lGetDefaultTabWidth */</span> |
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222 <a name="l00212"></a>00212 <span class="preprocessor">#endif</span> |
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223 </pre></div></div> |
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224 <hr size="1"/><address style="text-align: right;"><small>Generated by |
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225 <a href="http://www.doxygen.org/index.html"> |
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226 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address> |
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228 </html> |
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