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11 <h1>examples/PIPS/antiword/src/wordlib.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"> * wordlib.c</span> |
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13 <a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1998-2004 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"> * Deal with the internals of 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 "antiword.h"</span> |
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20 <a name="l00010"></a>00010 |
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21 <a name="l00011"></a>00011 <span class="keyword">static</span> BOOL bOldMacFile = FALSE; |
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22 <a name="l00012"></a>00012 |
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23 <a name="l00013"></a>00013 |
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24 <a name="l00014"></a>00014 <span class="comment">/*</span> |
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25 <a name="l00015"></a>00015 <span class="comment"> * Common part of the file checking functions</span> |
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26 <a name="l00016"></a>00016 <span class="comment"> */</span> |
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27 <a name="l00017"></a>00017 <span class="keyword">static</span> BOOL |
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28 <a name="l00018"></a>00018 bCheckBytes(FILE *pFile, <span class="keyword">const</span> UCHAR *aucBytes, <span class="keywordtype">size_t</span> tBytes) |
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29 <a name="l00019"></a>00019 { |
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30 <a name="l00020"></a>00020 <span class="keywordtype">int</span> iIndex, iChar; |
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31 <a name="l00021"></a>00021 |
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32 <a name="l00022"></a>00022 fail(pFile == NULL || aucBytes == NULL || tBytes == 0); |
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33 <a name="l00023"></a>00023 |
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34 <a name="l00024"></a>00024 rewind(pFile); |
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35 <a name="l00025"></a>00025 |
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36 <a name="l00026"></a>00026 <span class="keywordflow">for</span> (iIndex = 0; iIndex < (int)tBytes; iIndex++) { |
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37 <a name="l00027"></a>00027 iChar = getc(pFile); |
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38 <a name="l00028"></a>00028 <span class="keywordflow">if</span> (iChar == EOF || iChar != (<span class="keywordtype">int</span>)aucBytes[iIndex]) { |
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39 <a name="l00029"></a>00029 NO_DBG_HEX(iChar); |
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40 <a name="l00030"></a>00030 NO_DBG_HEX(aucBytes[iIndex]); |
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41 <a name="l00031"></a>00031 <span class="keywordflow">return</span> FALSE; |
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42 <a name="l00032"></a>00032 } |
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43 <a name="l00033"></a>00033 } |
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44 <a name="l00034"></a>00034 <span class="keywordflow">return</span> TRUE; |
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45 <a name="l00035"></a>00035 } <span class="comment">/* end of bCheckBytes */</span> |
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46 <a name="l00036"></a>00036 |
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47 <a name="l00037"></a>00037 <span class="comment">/*</span> |
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48 <a name="l00038"></a>00038 <span class="comment"> * This function checks whether the given file is or is not a "Word for DOS"</span> |
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49 <a name="l00039"></a>00039 <span class="comment"> * document</span> |
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50 <a name="l00040"></a>00040 <span class="comment"> */</span> |
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51 <a name="l00041"></a>00041 BOOL |
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52 <a name="l00042"></a>00042 bIsWordForDosFile(FILE *pFile, <span class="keywordtype">long</span> lFilesize) |
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53 <a name="l00043"></a>00043 { |
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54 <a name="l00044"></a>00044 <span class="keyword">static</span> UCHAR aucBytes[] = |
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55 <a name="l00045"></a>00045 { 0x31, 0xbe, 0x00, 0x00, 0x00, 0xab }; <span class="comment">/* Word for DOS */</span> |
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56 <a name="l00046"></a>00046 |
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57 <a name="l00047"></a>00047 DBG_MSG(<span class="stringliteral">"bIsWordForDosFile"</span>); |
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58 <a name="l00048"></a>00048 |
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59 <a name="l00049"></a>00049 <span class="keywordflow">if</span> (pFile == NULL || lFilesize < 0) { |
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60 <a name="l00050"></a>00050 DBG_MSG(<span class="stringliteral">"No proper file given"</span>); |
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61 <a name="l00051"></a>00051 <span class="keywordflow">return</span> FALSE; |
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62 <a name="l00052"></a>00052 } |
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63 <a name="l00053"></a>00053 <span class="keywordflow">if</span> (lFilesize < 128) { |
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64 <a name="l00054"></a>00054 DBG_MSG(<span class="stringliteral">"File too small to be a Word document"</span>); |
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65 <a name="l00055"></a>00055 <span class="keywordflow">return</span> FALSE; |
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66 <a name="l00056"></a>00056 } |
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67 <a name="l00057"></a>00057 <span class="keywordflow">return</span> bCheckBytes(pFile, aucBytes, elementsof(aucBytes)); |
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68 <a name="l00058"></a>00058 } <span class="comment">/* end of bIsWordForDosFile */</span> |
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69 <a name="l00059"></a>00059 |
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70 <a name="l00060"></a>00060 <span class="comment">/*</span> |
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71 <a name="l00061"></a>00061 <span class="comment"> * This function checks whether the given file is or is not a file with an</span> |
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72 <a name="l00062"></a>00062 <span class="comment"> * OLE envelope (That is a document made by Word 6 or later)</span> |
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73 <a name="l00063"></a>00063 <span class="comment"> */</span> |
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74 <a name="l00064"></a>00064 <span class="keyword">static</span> BOOL |
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75 <a name="l00065"></a>00065 bIsWordFileWithOLE(FILE *pFile, <span class="keywordtype">long</span> lFilesize) |
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76 <a name="l00066"></a>00066 { |
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77 <a name="l00067"></a>00067 <span class="keyword">static</span> UCHAR aucBytes[] = |
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78 <a name="l00068"></a>00068 { 0xd0, 0xcf, 0x11, 0xe0, 0xa1, 0xb1, 0x1a, 0xe1 }; |
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79 <a name="l00069"></a>00069 <span class="keywordtype">int</span> iTailLen; |
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80 <a name="l00070"></a>00070 |
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81 <a name="l00071"></a>00071 <span class="keywordflow">if</span> (pFile == NULL || lFilesize < 0) { |
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82 <a name="l00072"></a>00072 DBG_MSG(<span class="stringliteral">"No proper file given"</span>); |
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83 <a name="l00073"></a>00073 <span class="keywordflow">return</span> FALSE; |
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84 <a name="l00074"></a>00074 } |
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85 <a name="l00075"></a>00075 <span class="keywordflow">if</span> (lFilesize < (<span class="keywordtype">long</span>)BIG_BLOCK_SIZE * 3) { |
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86 <a name="l00076"></a>00076 DBG_MSG(<span class="stringliteral">"This file is too small to be a Word document"</span>); |
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87 <a name="l00077"></a>00077 <span class="keywordflow">return</span> FALSE; |
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88 <a name="l00078"></a>00078 } |
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89 <a name="l00079"></a>00079 |
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90 <a name="l00080"></a>00080 iTailLen = (int)(lFilesize % BIG_BLOCK_SIZE); |
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91 <a name="l00081"></a>00081 <span class="keywordflow">switch</span> (iTailLen) { |
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92 <a name="l00082"></a>00082 <span class="keywordflow">case</span> 0: <span class="comment">/* No tail, as it should be */</span> |
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93 <a name="l00083"></a>00083 <span class="keywordflow">break</span>; |
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94 <a name="l00084"></a>00084 <span class="keywordflow">case</span> 1: |
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95 <a name="l00085"></a>00085 <span class="keywordflow">case</span> 2: <span class="comment">/* Filesize mismatch or a buggy email program */</span> |
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96 <a name="l00086"></a>00086 <span class="keywordflow">if</span> ((<span class="keywordtype">int</span>)(lFilesize % 3) == iTailLen) { |
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97 <a name="l00087"></a>00087 DBG_DEC(lFilesize); |
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98 <a name="l00088"></a>00088 <span class="keywordflow">return</span> FALSE; |
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99 <a name="l00089"></a>00089 } |
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100 <a name="l00090"></a>00090 <span class="comment">/*</span> |
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101 <a name="l00091"></a>00091 <span class="comment"> * Ignore extra bytes caused by buggy email programs.</span> |
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102 <a name="l00092"></a>00092 <span class="comment"> * They have bugs in their base64 encoding or decoding.</span> |
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103 <a name="l00093"></a>00093 <span class="comment"> * 3 bytes -> 4 ascii chars -> 3 bytes</span> |
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104 <a name="l00094"></a>00094 <span class="comment"> */</span> |
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105 <a name="l00095"></a>00095 DBG_MSG(<span class="stringliteral">"Document with extra bytes"</span>); |
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106 <a name="l00096"></a>00096 <span class="keywordflow">break</span>; |
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107 <a name="l00097"></a>00097 <span class="keywordflow">default</span>: <span class="comment">/* Wrong filesize for a Word document */</span> |
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108 <a name="l00098"></a>00098 DBG_DEC(lFilesize); |
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109 <a name="l00099"></a>00099 DBG_DEC(iTailLen); |
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110 <a name="l00100"></a>00100 <span class="keywordflow">return</span> FALSE; |
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111 <a name="l00101"></a>00101 } |
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112 <a name="l00102"></a>00102 <span class="keywordflow">return</span> bCheckBytes(pFile, aucBytes, elementsof(aucBytes)); |
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113 <a name="l00103"></a>00103 } <span class="comment">/* end of bIsWordFileWithOLE */</span> |
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114 <a name="l00104"></a>00104 |
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115 <a name="l00105"></a>00105 <span class="comment">/*</span> |
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116 <a name="l00106"></a>00106 <span class="comment"> * This function checks whether the given file is or is not a RTF document</span> |
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117 <a name="l00107"></a>00107 <span class="comment"> */</span> |
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118 <a name="l00108"></a>00108 BOOL |
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119 <a name="l00109"></a>00109 bIsRtfFile(FILE *pFile) |
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120 <a name="l00110"></a>00110 { |
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121 <a name="l00111"></a>00111 <span class="keyword">static</span> UCHAR aucBytes[] = |
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122 <a name="l00112"></a>00112 { <span class="charliteral">'{'</span>, <span class="charliteral">'\\'</span>, <span class="charliteral">'r'</span>, <span class="charliteral">'t'</span>, <span class="charliteral">'f'</span>, <span class="charliteral">'1'</span> }; |
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123 <a name="l00113"></a>00113 |
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124 <a name="l00114"></a>00114 DBG_MSG(<span class="stringliteral">"bIsRtfFile"</span>); |
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125 <a name="l00115"></a>00115 |
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126 <a name="l00116"></a>00116 <span class="keywordflow">return</span> bCheckBytes(pFile, aucBytes, elementsof(aucBytes)); |
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127 <a name="l00117"></a>00117 } <span class="comment">/* end of bIsRtfFile */</span> |
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128 <a name="l00118"></a>00118 |
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129 <a name="l00119"></a>00119 <span class="comment">/*</span> |
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130 <a name="l00120"></a>00120 <span class="comment"> * This function checks whether the given file is or is not a WP document</span> |
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131 <a name="l00121"></a>00121 <span class="comment"> */</span> |
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132 <a name="l00122"></a>00122 BOOL |
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133 <a name="l00123"></a>00123 bIsWordPerfectFile(FILE *pFile) |
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134 <a name="l00124"></a>00124 { |
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135 <a name="l00125"></a>00125 <span class="keyword">static</span> UCHAR aucBytes[] = |
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136 <a name="l00126"></a>00126 { 0xff, <span class="charliteral">'W'</span>, <span class="charliteral">'P'</span>, <span class="charliteral">'C'</span> }; |
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137 <a name="l00127"></a>00127 |
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138 <a name="l00128"></a>00128 DBG_MSG(<span class="stringliteral">"bIsWordPerfectFile"</span>); |
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139 <a name="l00129"></a>00129 |
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140 <a name="l00130"></a>00130 <span class="keywordflow">return</span> bCheckBytes(pFile, aucBytes, elementsof(aucBytes)); |
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141 <a name="l00131"></a>00131 } <span class="comment">/* end of bIsWordPerfectFile */</span> |
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142 <a name="l00132"></a>00132 |
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143 <a name="l00133"></a>00133 <span class="comment">/*</span> |
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144 <a name="l00134"></a>00134 <span class="comment"> * This function checks whether the given file is or is not a "Win Word 1 or 2"</span> |
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145 <a name="l00135"></a>00135 <span class="comment"> * document</span> |
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146 <a name="l00136"></a>00136 <span class="comment"> */</span> |
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147 <a name="l00137"></a>00137 BOOL |
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148 <a name="l00138"></a>00138 bIsWinWord12File(FILE *pFile, <span class="keywordtype">long</span> lFilesize) |
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149 <a name="l00139"></a>00139 { |
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150 <a name="l00140"></a>00140 <span class="keyword">static</span> UCHAR aucBytes[2][4] = { |
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151 <a name="l00141"></a>00141 { 0x9b, 0xa5, 0x21, 0x00 }, <span class="comment">/* Win Word 1.x */</span> |
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152 <a name="l00142"></a>00142 { 0xdb, 0xa5, 0x2d, 0x00 }, <span class="comment">/* Win Word 2.0 */</span> |
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153 <a name="l00143"></a>00143 }; |
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154 <a name="l00144"></a>00144 <span class="keywordtype">int</span> iIndex; |
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155 <a name="l00145"></a>00145 |
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156 <a name="l00146"></a>00146 DBG_MSG(<span class="stringliteral">"bIsWinWord12File"</span>); |
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157 <a name="l00147"></a>00147 |
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158 <a name="l00148"></a>00148 <span class="keywordflow">if</span> (pFile == NULL || lFilesize < 0) { |
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159 <a name="l00149"></a>00149 DBG_MSG(<span class="stringliteral">"No proper file given"</span>); |
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160 <a name="l00150"></a>00150 <span class="keywordflow">return</span> FALSE; |
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161 <a name="l00151"></a>00151 } |
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162 <a name="l00152"></a>00152 <span class="keywordflow">if</span> (lFilesize < 384) { |
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163 <a name="l00153"></a>00153 DBG_MSG(<span class="stringliteral">"This file is too small to be a Word document"</span>); |
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164 <a name="l00154"></a>00154 <span class="keywordflow">return</span> FALSE; |
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165 <a name="l00155"></a>00155 } |
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166 <a name="l00156"></a>00156 |
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167 <a name="l00157"></a>00157 <span class="keywordflow">for</span> (iIndex = 0; iIndex < (int)elementsof(aucBytes); iIndex++) { |
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168 <a name="l00158"></a>00158 <span class="keywordflow">if</span> (bCheckBytes(pFile, |
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169 <a name="l00159"></a>00159 aucBytes[iIndex], |
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170 <a name="l00160"></a>00160 elementsof(aucBytes[iIndex]))) { |
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171 <a name="l00161"></a>00161 <span class="keywordflow">return</span> TRUE; |
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172 <a name="l00162"></a>00162 } |
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173 <a name="l00163"></a>00163 } |
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174 <a name="l00164"></a>00164 <span class="keywordflow">return</span> FALSE; |
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175 <a name="l00165"></a>00165 } <span class="comment">/* end of bIsWinWord12File */</span> |
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176 <a name="l00166"></a>00166 |
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177 <a name="l00167"></a>00167 <span class="comment">/*</span> |
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178 <a name="l00168"></a>00168 <span class="comment"> * This function checks whether the given file is or is not a "Mac Word 4 or 5"</span> |
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179 <a name="l00169"></a>00169 <span class="comment"> * document</span> |
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180 <a name="l00170"></a>00170 <span class="comment"> */</span> |
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181 <a name="l00171"></a>00171 BOOL |
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182 <a name="l00172"></a>00172 bIsMacWord45File(FILE *pFile) |
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183 <a name="l00173"></a>00173 { |
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184 <a name="l00174"></a>00174 <span class="keyword">static</span> UCHAR aucBytes[2][6] = { |
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185 <a name="l00175"></a>00175 { 0xfe, 0x37, 0x00, 0x1c, 0x00, 0x00 }, <span class="comment">/* Mac Word 4 */</span> |
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186 <a name="l00176"></a>00176 { 0xfe, 0x37, 0x00, 0x23, 0x00, 0x00 }, <span class="comment">/* Mac Word 5 */</span> |
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187 <a name="l00177"></a>00177 }; |
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188 <a name="l00178"></a>00178 <span class="keywordtype">int</span> iIndex; |
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189 <a name="l00179"></a>00179 |
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190 <a name="l00180"></a>00180 DBG_MSG(<span class="stringliteral">"bIsMacWord45File"</span>); |
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191 <a name="l00181"></a>00181 |
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192 <a name="l00182"></a>00182 <span class="keywordflow">for</span> (iIndex = 0; iIndex < (int)elementsof(aucBytes); iIndex++) { |
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193 <a name="l00183"></a>00183 <span class="keywordflow">if</span> (bCheckBytes(pFile, |
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194 <a name="l00184"></a>00184 aucBytes[iIndex], |
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195 <a name="l00185"></a>00185 elementsof(aucBytes[iIndex]))) { |
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196 <a name="l00186"></a>00186 <span class="keywordflow">return</span> TRUE; |
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197 <a name="l00187"></a>00187 } |
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198 <a name="l00188"></a>00188 } |
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199 <a name="l00189"></a>00189 <span class="keywordflow">return</span> FALSE; |
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200 <a name="l00190"></a>00190 } <span class="comment">/* end of bIsMacWord45File */</span> |
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201 <a name="l00191"></a>00191 |
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202 <a name="l00192"></a>00192 <span class="comment">/*</span> |
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203 <a name="l00193"></a>00193 <span class="comment"> * iGuessVersionNumber - guess the Word version number from first few bytes</span> |
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204 <a name="l00194"></a>00194 <span class="comment"> *</span> |
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205 <a name="l00195"></a>00195 <span class="comment"> * Returns the guessed version number or -1 when no guess it possible</span> |
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206 <a name="l00196"></a>00196 <span class="comment"> */</span> |
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207 <a name="l00197"></a>00197 <span class="keywordtype">int</span> |
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208 <a name="l00198"></a>00198 iGuessVersionNumber(FILE *pFile, <span class="keywordtype">long</span> lFilesize) |
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209 <a name="l00199"></a>00199 { |
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210 <a name="l00200"></a>00200 <span class="keywordflow">if</span>(bIsWordForDosFile(pFile, lFilesize)) { |
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211 <a name="l00201"></a>00201 <span class="keywordflow">return</span> 0; |
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212 <a name="l00202"></a>00202 } |
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213 <a name="l00203"></a>00203 <span class="keywordflow">if</span> (bIsWinWord12File(pFile, lFilesize)) { |
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214 <a name="l00204"></a>00204 <span class="keywordflow">return</span> 2; |
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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> (bIsMacWord45File(pFile)) { |
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217 <a name="l00207"></a>00207 <span class="keywordflow">return</span> 5; |
|
218 <a name="l00208"></a>00208 } |
|
219 <a name="l00209"></a>00209 <span class="keywordflow">if</span> (bIsWordFileWithOLE(pFile, lFilesize)) { |
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220 <a name="l00210"></a>00210 <span class="keywordflow">return</span> 6; |
|
221 <a name="l00211"></a>00211 } |
|
222 <a name="l00212"></a>00212 <span class="keywordflow">return</span> -1; |
|
223 <a name="l00213"></a>00213 } <span class="comment">/* end of iGuessVersionNumber */</span> |
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224 <a name="l00214"></a>00214 |
|
225 <a name="l00215"></a>00215 <span class="comment">/*</span> |
|
226 <a name="l00216"></a>00216 <span class="comment"> * iGetVersionNumber - get the Word version number from the header</span> |
|
227 <a name="l00217"></a>00217 <span class="comment"> *</span> |
|
228 <a name="l00218"></a>00218 <span class="comment"> * Returns the version number or -1 when unknown</span> |
|
229 <a name="l00219"></a>00219 <span class="comment"> */</span> |
|
230 <a name="l00220"></a>00220 <span class="keywordtype">int</span> |
|
231 <a name="l00221"></a>00221 iGetVersionNumber(<span class="keyword">const</span> UCHAR *aucHeader) |
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232 <a name="l00222"></a>00222 { |
|
233 <a name="l00223"></a>00223 USHORT usFib, usChse; |
|
234 <a name="l00224"></a>00224 |
|
235 <a name="l00225"></a>00225 usFib = usGetWord(0x02, aucHeader); |
|
236 <a name="l00226"></a>00226 <span class="keywordflow">if</span> (usFib >= 0x1000) { |
|
237 <a name="l00227"></a>00227 <span class="comment">/* To big: must be MacWord using Big Endian */</span> |
|
238 <a name="l00228"></a>00228 DBG_HEX(usFib); |
|
239 <a name="l00229"></a>00229 usFib = usGetWordBE(0x02, aucHeader); |
|
240 <a name="l00230"></a>00230 } |
|
241 <a name="l00231"></a>00231 DBG_DEC(usFib); |
|
242 <a name="l00232"></a>00232 bOldMacFile = FALSE; |
|
243 <a name="l00233"></a>00233 <span class="keywordflow">switch</span> (usFib) { |
|
244 <a name="l00234"></a>00234 <span class="keywordflow">case</span> 0: |
|
245 <a name="l00235"></a>00235 DBG_MSG(<span class="stringliteral">"Word for DOS"</span>); |
|
246 <a name="l00236"></a>00236 <span class="keywordflow">return</span> 0; |
|
247 <a name="l00237"></a>00237 <span class="keywordflow">case</span> 28: |
|
248 <a name="l00238"></a>00238 DBG_MSG(<span class="stringliteral">"Word 4 for Macintosh"</span>); |
|
249 <a name="l00239"></a>00239 bOldMacFile = TRUE; |
|
250 <a name="l00240"></a>00240 <span class="keywordflow">return</span> 4; |
|
251 <a name="l00241"></a>00241 <span class="keywordflow">case</span> 33: |
|
252 <a name="l00242"></a>00242 DBG_MSG(<span class="stringliteral">"Word 1.x for Windows"</span>); |
|
253 <a name="l00243"></a>00243 <span class="keywordflow">return</span> 1; |
|
254 <a name="l00244"></a>00244 <span class="keywordflow">case</span> 35: |
|
255 <a name="l00245"></a>00245 DBG_MSG(<span class="stringliteral">"Word 5 for Macintosh"</span>); |
|
256 <a name="l00246"></a>00246 bOldMacFile = TRUE; |
|
257 <a name="l00247"></a>00247 <span class="keywordflow">return</span> 5; |
|
258 <a name="l00248"></a>00248 <span class="keywordflow">case</span> 45: |
|
259 <a name="l00249"></a>00249 DBG_MSG(<span class="stringliteral">"Word 2 for Windows"</span>); |
|
260 <a name="l00250"></a>00250 <span class="keywordflow">return</span> 2; |
|
261 <a name="l00251"></a>00251 <span class="keywordflow">case</span> 101: |
|
262 <a name="l00252"></a>00252 <span class="keywordflow">case</span> 102: |
|
263 <a name="l00253"></a>00253 DBG_MSG(<span class="stringliteral">"Word 6 for Windows"</span>); |
|
264 <a name="l00254"></a>00254 <span class="keywordflow">return</span> 6; |
|
265 <a name="l00255"></a>00255 <span class="keywordflow">case</span> 103: |
|
266 <a name="l00256"></a>00256 <span class="keywordflow">case</span> 104: |
|
267 <a name="l00257"></a>00257 usChse = usGetWord(0x14, aucHeader); |
|
268 <a name="l00258"></a>00258 DBG_DEC(usChse); |
|
269 <a name="l00259"></a>00259 <span class="keywordflow">switch</span> (usChse) { |
|
270 <a name="l00260"></a>00260 <span class="keywordflow">case</span> 0: |
|
271 <a name="l00261"></a>00261 DBG_MSG(<span class="stringliteral">"Word 7 for Win95"</span>); |
|
272 <a name="l00262"></a>00262 <span class="keywordflow">return</span> 7; |
|
273 <a name="l00263"></a>00263 <span class="keywordflow">case</span> 256: |
|
274 <a name="l00264"></a>00264 DBG_MSG(<span class="stringliteral">"Word 6 for Macintosh"</span>); |
|
275 <a name="l00265"></a>00265 bOldMacFile = TRUE; |
|
276 <a name="l00266"></a>00266 <span class="keywordflow">return</span> 6; |
|
277 <a name="l00267"></a>00267 <span class="keywordflow">default</span>: |
|
278 <a name="l00268"></a>00268 DBG_FIXME(); |
|
279 <a name="l00269"></a>00269 <span class="keywordflow">if</span> ((<span class="keywordtype">int</span>)ucGetByte(0x05, aucHeader) == 0xe0) { |
|
280 <a name="l00270"></a>00270 DBG_MSG(<span class="stringliteral">"Word 7 for Win95"</span>); |
|
281 <a name="l00271"></a>00271 <span class="keywordflow">return</span> 7; |
|
282 <a name="l00272"></a>00272 } |
|
283 <a name="l00273"></a>00273 DBG_MSG(<span class="stringliteral">"Word 6 for Macintosh"</span>); |
|
284 <a name="l00274"></a>00274 bOldMacFile = TRUE; |
|
285 <a name="l00275"></a>00275 <span class="keywordflow">return</span> 6; |
|
286 <a name="l00276"></a>00276 } |
|
287 <a name="l00277"></a>00277 <span class="keywordflow">default</span>: |
|
288 <a name="l00278"></a>00278 usChse = usGetWord(0x14, aucHeader); |
|
289 <a name="l00279"></a>00279 DBG_DEC(usChse); |
|
290 <a name="l00280"></a>00280 <span class="keywordflow">if</span> (usFib < 192) { |
|
291 <a name="l00281"></a>00281 <span class="comment">/* Unknown or unsupported version of Word */</span> |
|
292 <a name="l00282"></a>00282 DBG_DEC(usFib); |
|
293 <a name="l00283"></a>00283 <span class="keywordflow">return</span> -1; |
|
294 <a name="l00284"></a>00284 } |
|
295 <a name="l00285"></a>00285 DBG_MSG_C(usChse != 256, <span class="stringliteral">"Word97 for Win95/98/NT"</span>); |
|
296 <a name="l00286"></a>00286 DBG_MSG_C(usChse == 256, <span class="stringliteral">"Word98 for Macintosh"</span>); |
|
297 <a name="l00287"></a>00287 <span class="keywordflow">return</span> 8; |
|
298 <a name="l00288"></a>00288 } |
|
299 <a name="l00289"></a>00289 } <span class="comment">/* end of iGetVersionNumber */</span> |
|
300 <a name="l00290"></a>00290 |
|
301 <a name="l00291"></a>00291 <span class="comment">/*</span> |
|
302 <a name="l00292"></a>00292 <span class="comment"> * TRUE if the current file was made by Word version 6 or older on an</span> |
|
303 <a name="l00293"></a>00293 <span class="comment"> * Apple Macintosh, otherwise FALSE.</span> |
|
304 <a name="l00294"></a>00294 <span class="comment"> * This function hides the methode of how to find out from the rest of the</span> |
|
305 <a name="l00295"></a>00295 <span class="comment"> * program.</span> |
|
306 <a name="l00296"></a>00296 <span class="comment"> */</span> |
|
307 <a name="l00297"></a>00297 BOOL |
|
308 <a name="l00298"></a>00298 bIsOldMacFile(<span class="keywordtype">void</span>) |
|
309 <a name="l00299"></a>00299 { |
|
310 <a name="l00300"></a>00300 <span class="keywordflow">return</span> bOldMacFile; |
|
311 <a name="l00301"></a>00301 } <span class="comment">/* end of bIsOldMacFile */</span> |
|
312 <a name="l00302"></a>00302 |
|
313 <a name="l00303"></a>00303 <span class="comment">/*</span> |
|
314 <a name="l00304"></a>00304 <span class="comment"> * iInitDocument - initialize a document</span> |
|
315 <a name="l00305"></a>00305 <span class="comment"> *</span> |
|
316 <a name="l00306"></a>00306 <span class="comment"> * Returns the version of Word that made the document or -1</span> |
|
317 <a name="l00307"></a>00307 <span class="comment"> */</span> |
|
318 <a name="l00308"></a>00308 <span class="keywordtype">int</span> |
|
319 <a name="l00309"></a>00309 iInitDocument(FILE *pFile, <span class="keywordtype">long</span> lFilesize) |
|
320 <a name="l00310"></a>00310 { |
|
321 <a name="l00311"></a>00311 <span class="keywordtype">int</span> iGuess, iWordVersion; |
|
322 <a name="l00312"></a>00312 |
|
323 <a name="l00313"></a>00313 iGuess = iGuessVersionNumber(pFile, lFilesize); |
|
324 <a name="l00314"></a>00314 <span class="keywordflow">switch</span> (iGuess) { |
|
325 <a name="l00315"></a>00315 <span class="keywordflow">case</span> 0: |
|
326 <a name="l00316"></a>00316 iWordVersion = iInitDocumentDOS(pFile, lFilesize); |
|
327 <a name="l00317"></a>00317 <span class="keywordflow">break</span>; |
|
328 <a name="l00318"></a>00318 <span class="keywordflow">case</span> 2: |
|
329 <a name="l00319"></a>00319 iWordVersion = iInitDocumentWIN(pFile, lFilesize); |
|
330 <a name="l00320"></a>00320 <span class="keywordflow">break</span>; |
|
331 <a name="l00321"></a>00321 <span class="keywordflow">case</span> 5: |
|
332 <a name="l00322"></a>00322 iWordVersion = iInitDocumentMAC(pFile, lFilesize); |
|
333 <a name="l00323"></a>00323 <span class="keywordflow">break</span>; |
|
334 <a name="l00324"></a>00324 <span class="keywordflow">case</span> 6: |
|
335 <a name="l00325"></a>00325 iWordVersion = iInitDocumentOLE(pFile, lFilesize); |
|
336 <a name="l00326"></a>00326 <span class="keywordflow">break</span>; |
|
337 <a name="l00327"></a>00327 <span class="keywordflow">default</span>: |
|
338 <a name="l00328"></a>00328 DBG_DEC(iGuess); |
|
339 <a name="l00329"></a>00329 iWordVersion = -1; |
|
340 <a name="l00330"></a>00330 <span class="keywordflow">break</span>; |
|
341 <a name="l00331"></a>00331 } |
|
342 <a name="l00332"></a>00332 <span class="keywordflow">return</span> iWordVersion; |
|
343 <a name="l00333"></a>00333 } <span class="comment">/* end of iInitDocument */</span> |
|
344 <a name="l00334"></a>00334 |
|
345 <a name="l00335"></a>00335 <span class="comment">/*</span> |
|
346 <a name="l00336"></a>00336 <span class="comment"> * vFreeDocument - free a document by free-ing its parts</span> |
|
347 <a name="l00337"></a>00337 <span class="comment"> */</span> |
|
348 <a name="l00338"></a>00338 <span class="keywordtype">void</span> |
|
349 <a name="l00339"></a>00339 vFreeDocument(<span class="keywordtype">void</span>) |
|
350 <a name="l00340"></a>00340 { |
|
351 <a name="l00341"></a>00341 DBG_MSG(<span class="stringliteral">"vFreeDocument"</span>); |
|
352 <a name="l00342"></a>00342 |
|
353 <a name="l00343"></a>00343 <span class="comment">/* Free the memory */</span> |
|
354 <a name="l00344"></a>00344 vDestroyTextBlockList(); |
|
355 <a name="l00345"></a>00345 vDestroyDataBlockList(); |
|
356 <a name="l00346"></a>00346 vDestroyListInfoList(); |
|
357 <a name="l00347"></a>00347 vDestroyRowInfoList(); |
|
358 <a name="l00348"></a>00348 vDestroyStyleInfoList(); |
|
359 <a name="l00349"></a>00349 vDestroyFontInfoList(); |
|
360 <a name="l00350"></a>00350 vDestroyStylesheetList(); |
|
361 <a name="l00351"></a>00351 vDestroyPictInfoList(); |
|
362 <a name="l00352"></a>00352 vDestroyDocumentInfoList(); |
|
363 <a name="l00353"></a>00353 vDestroySectionInfoList(); |
|
364 <a name="l00354"></a>00354 vDestroyHdrFtrInfoList(); |
|
365 <a name="l00355"></a>00355 vDestroyPropModList(); |
|
366 <a name="l00356"></a>00356 vDestroyNotesInfoLists(); |
|
367 <a name="l00357"></a>00357 vDestroyFontTable(); |
|
368 <a name="l00358"></a>00358 vDestroySummaryInfo(); |
|
369 <a name="l00359"></a>00359 } <span class="comment">/* end of vFreeDocument */</span> |
|
370 </pre></div></div> |
|
371 <hr size="1"/><address style="text-align: right;"><small>Generated by |
|
372 <a href="http://www.doxygen.org/index.html"> |
|
373 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address> |
|
374 </body> |
|
375 </html> |
|