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11 <h1>examples/PIPS/antiword/src/blocklist.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"> * blocklist.c</span> |
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13 <a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1998-2005 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"> * Build, read and destroy the lists of Word "text" blocks</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 <stdlib.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 |
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23 <a name="l00013"></a>00013 <span class="comment">/*</span> |
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24 <a name="l00014"></a>00014 <span class="comment"> * Private structure to hide the way the information</span> |
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25 <a name="l00015"></a>00015 <span class="comment"> * is stored from the rest of the program</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">typedef</span> <span class="keyword">struct </span>list_mem_tag { |
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28 <a name="l00018"></a>00018 text_block_type tInfo; |
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29 <a name="l00019"></a>00019 <span class="keyword">struct </span>list_mem_tag *pNext; |
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30 <a name="l00020"></a>00020 } list_mem_type; |
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31 <a name="l00021"></a>00021 |
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32 <a name="l00022"></a>00022 <span class="keyword">typedef</span> <span class="keyword">struct </span>readinfo_tag { |
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33 <a name="l00023"></a>00023 list_mem_type *pBlockCurrent; |
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34 <a name="l00024"></a>00024 ULONG ulBlockOffset; |
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35 <a name="l00025"></a>00025 <span class="keywordtype">size_t</span> tByteNext; |
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36 <a name="l00026"></a>00026 UCHAR aucBlock[BIG_BLOCK_SIZE]; |
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37 <a name="l00027"></a>00027 } readinfo_type; |
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38 <a name="l00028"></a>00028 |
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39 <a name="l00029"></a>00029 <span class="comment">/* Variables to describe the start of the block lists */</span> |
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40 <a name="l00030"></a>00030 <span class="keyword">static</span> list_mem_type *pTextAnchor = NULL; |
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41 <a name="l00031"></a>00031 <span class="keyword">static</span> list_mem_type *pFootnoteAnchor = NULL; |
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42 <a name="l00032"></a>00032 <span class="keyword">static</span> list_mem_type *pHdrFtrAnchor = NULL; |
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43 <a name="l00033"></a>00033 <span class="keyword">static</span> list_mem_type *pMacroAnchor = NULL; |
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44 <a name="l00034"></a>00034 <span class="keyword">static</span> list_mem_type *pAnnotationAnchor = NULL; |
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45 <a name="l00035"></a>00035 <span class="keyword">static</span> list_mem_type *pEndnoteAnchor = NULL; |
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46 <a name="l00036"></a>00036 <span class="keyword">static</span> list_mem_type *pTextBoxAnchor = NULL; |
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47 <a name="l00037"></a>00037 <span class="keyword">static</span> list_mem_type *pHdrTextBoxAnchor = NULL; |
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48 <a name="l00038"></a>00038 <span class="comment">/* Variable needed to build the block list */</span> |
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49 <a name="l00039"></a>00039 <span class="keyword">static</span> list_mem_type *pBlockLast = NULL; |
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50 <a name="l00040"></a>00040 <span class="comment">/* Variable needed to read the block lists */</span> |
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51 <a name="l00041"></a>00041 <span class="keyword">static</span> readinfo_type tOthers = { NULL, 0, 0, }; |
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52 <a name="l00042"></a>00042 <span class="keyword">static</span> readinfo_type tHdrFtr = { NULL, 0, 0, }; |
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53 <a name="l00043"></a>00043 <span class="keyword">static</span> readinfo_type tFootnote = { NULL, 0, 0, }; |
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54 <a name="l00044"></a>00044 |
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55 <a name="l00045"></a>00045 |
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56 <a name="l00046"></a>00046 <span class="comment">/*</span> |
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57 <a name="l00047"></a>00047 <span class="comment"> * pFreeOneList - free a text block list</span> |
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58 <a name="l00048"></a>00048 <span class="comment"> *</span> |
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59 <a name="l00049"></a>00049 <span class="comment"> * Will always return NULL</span> |
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60 <a name="l00050"></a>00050 <span class="comment"> */</span> |
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61 <a name="l00051"></a>00051 <span class="keyword">static</span> list_mem_type * |
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62 <a name="l00052"></a>00052 pFreeOneList(list_mem_type *pAnchor) |
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63 <a name="l00053"></a>00053 { |
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64 <a name="l00054"></a>00054 list_mem_type *pCurr, *pNext; |
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65 <a name="l00055"></a>00055 |
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66 <a name="l00056"></a>00056 pCurr = pAnchor; |
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67 <a name="l00057"></a>00057 <span class="keywordflow">while</span> (pCurr != NULL) { |
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68 <a name="l00058"></a>00058 pNext = pCurr->pNext; |
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69 <a name="l00059"></a>00059 pCurr = xfree(pCurr); |
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70 <a name="l00060"></a>00060 pCurr = pNext; |
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71 <a name="l00061"></a>00061 } |
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72 <a name="l00062"></a>00062 <span class="keywordflow">return</span> NULL; |
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73 <a name="l00063"></a>00063 } <span class="comment">/* end of pFreeOneList */</span> |
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74 <a name="l00064"></a>00064 |
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75 <a name="l00065"></a>00065 <span class="comment">/*</span> |
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76 <a name="l00066"></a>00066 <span class="comment"> * vDestroyTextBlockList - destroy the text block lists</span> |
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77 <a name="l00067"></a>00067 <span class="comment"> */</span> |
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78 <a name="l00068"></a>00068 <span class="keywordtype">void</span> |
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79 <a name="l00069"></a>00069 vDestroyTextBlockList(<span class="keywordtype">void</span>) |
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80 <a name="l00070"></a>00070 { |
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81 <a name="l00071"></a>00071 DBG_MSG(<span class="stringliteral">"vDestroyTextBlockList"</span>); |
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82 <a name="l00072"></a>00072 |
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83 <a name="l00073"></a>00073 <span class="comment">/* Free the lists one by one */</span> |
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84 <a name="l00074"></a>00074 pTextAnchor = pFreeOneList(pTextAnchor); |
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85 <a name="l00075"></a>00075 pFootnoteAnchor = pFreeOneList(pFootnoteAnchor); |
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86 <a name="l00076"></a>00076 pHdrFtrAnchor = pFreeOneList(pHdrFtrAnchor); |
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87 <a name="l00077"></a>00077 pMacroAnchor = pFreeOneList(pMacroAnchor); |
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88 <a name="l00078"></a>00078 pAnnotationAnchor = pFreeOneList(pAnnotationAnchor); |
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89 <a name="l00079"></a>00079 pEndnoteAnchor = pFreeOneList(pEndnoteAnchor); |
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90 <a name="l00080"></a>00080 pTextBoxAnchor = pFreeOneList(pTextBoxAnchor); |
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91 <a name="l00081"></a>00081 pHdrTextBoxAnchor = pFreeOneList(pHdrTextBoxAnchor); |
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92 <a name="l00082"></a>00082 <span class="comment">/* Reset all the controle variables */</span> |
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93 <a name="l00083"></a>00083 pBlockLast = NULL; |
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94 <a name="l00084"></a>00084 tOthers.pBlockCurrent = NULL; |
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95 <a name="l00085"></a>00085 tHdrFtr.pBlockCurrent = NULL; |
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96 <a name="l00086"></a>00086 tFootnote.pBlockCurrent = NULL; |
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97 <a name="l00087"></a>00087 } <span class="comment">/* end of vDestroyTextBlockList */</span> |
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98 <a name="l00088"></a>00088 |
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99 <a name="l00089"></a>00089 <span class="comment">/*</span> |
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100 <a name="l00090"></a>00090 <span class="comment"> * bAdd2TextBlockList - add an element to the text block list</span> |
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101 <a name="l00091"></a>00091 <span class="comment"> *</span> |
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102 <a name="l00092"></a>00092 <span class="comment"> * returns: TRUE when successful, otherwise FALSE</span> |
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103 <a name="l00093"></a>00093 <span class="comment"> */</span> |
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104 <a name="l00094"></a>00094 BOOL |
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105 <a name="l00095"></a>00095 bAdd2TextBlockList(<span class="keyword">const</span> text_block_type *pTextBlock) |
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106 <a name="l00096"></a>00096 { |
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107 <a name="l00097"></a>00097 list_mem_type *pListMember; |
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108 <a name="l00098"></a>00098 |
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109 <a name="l00099"></a>00099 fail(pTextBlock == NULL); |
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110 <a name="l00100"></a>00100 fail(pTextBlock->ulFileOffset == FC_INVALID); |
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111 <a name="l00101"></a>00101 fail(pTextBlock->ulCharPos == CP_INVALID); |
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112 <a name="l00102"></a>00102 fail(pTextBlock->ulLength == 0); |
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113 <a name="l00103"></a>00103 fail(pTextBlock->bUsesUnicode && odd(pTextBlock->ulLength)); |
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114 <a name="l00104"></a>00104 |
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115 <a name="l00105"></a>00105 NO_DBG_MSG(<span class="stringliteral">"bAdd2TextBlockList"</span>); |
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116 <a name="l00106"></a>00106 NO_DBG_HEX(pTextBlock->ulFileOffset); |
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117 <a name="l00107"></a>00107 NO_DBG_HEX(pTextBlock->ulCharPos); |
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118 <a name="l00108"></a>00108 NO_DBG_HEX(pTextBlock->ulLength); |
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119 <a name="l00109"></a>00109 NO_DBG_DEC(pTextBlock->bUsesUnicode); |
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120 <a name="l00110"></a>00110 NO_DBG_DEC(pTextBlock->usPropMod); |
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121 <a name="l00111"></a>00111 |
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122 <a name="l00112"></a>00112 <span class="keywordflow">if</span> (pTextBlock->ulFileOffset == FC_INVALID || |
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123 <a name="l00113"></a>00113 pTextBlock->ulCharPos == CP_INVALID || |
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124 <a name="l00114"></a>00114 pTextBlock->ulLength == 0 || |
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125 <a name="l00115"></a>00115 (pTextBlock->bUsesUnicode && odd(pTextBlock->ulLength))) { |
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126 <a name="l00116"></a>00116 werr(0, <span class="stringliteral">"Software (textblock) error"</span>); |
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127 <a name="l00117"></a>00117 <span class="keywordflow">return</span> FALSE; |
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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"> * Check for continuous blocks of the same character size and</span> |
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131 <a name="l00121"></a>00121 <span class="comment"> * the same properties modifier</span> |
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132 <a name="l00122"></a>00122 <span class="comment"> */</span> |
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133 <a name="l00123"></a>00123 <span class="keywordflow">if</span> (pBlockLast != NULL && |
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134 <a name="l00124"></a>00124 pBlockLast->tInfo.ulFileOffset + |
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135 <a name="l00125"></a>00125 pBlockLast->tInfo.ulLength == pTextBlock->ulFileOffset && |
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136 <a name="l00126"></a>00126 pBlockLast->tInfo.ulCharPos + |
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137 <a name="l00127"></a>00127 pBlockLast->tInfo.ulLength == pTextBlock->ulCharPos && |
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138 <a name="l00128"></a>00128 pBlockLast->tInfo.bUsesUnicode == pTextBlock->bUsesUnicode && |
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139 <a name="l00129"></a>00129 pBlockLast->tInfo.usPropMod == pTextBlock->usPropMod) { |
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140 <a name="l00130"></a>00130 <span class="comment">/* These are continous blocks */</span> |
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141 <a name="l00131"></a>00131 pBlockLast->tInfo.ulLength += pTextBlock->ulLength; |
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142 <a name="l00132"></a>00132 <span class="keywordflow">return</span> TRUE; |
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143 <a name="l00133"></a>00133 } |
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144 <a name="l00134"></a>00134 <span class="comment">/* Make a new block */</span> |
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145 <a name="l00135"></a>00135 pListMember = xmalloc(<span class="keyword">sizeof</span>(list_mem_type)); |
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146 <a name="l00136"></a>00136 <span class="comment">/* Add the block to the list */</span> |
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147 <a name="l00137"></a>00137 pListMember->tInfo = *pTextBlock; |
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148 <a name="l00138"></a>00138 pListMember->pNext = NULL; |
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149 <a name="l00139"></a>00139 <span class="keywordflow">if</span> (pTextAnchor == NULL) { |
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150 <a name="l00140"></a>00140 pTextAnchor = pListMember; |
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151 <a name="l00141"></a>00141 } <span class="keywordflow">else</span> { |
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152 <a name="l00142"></a>00142 fail(pBlockLast == NULL); |
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153 <a name="l00143"></a>00143 pBlockLast->pNext = pListMember; |
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154 <a name="l00144"></a>00144 } |
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155 <a name="l00145"></a>00145 pBlockLast = pListMember; |
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156 <a name="l00146"></a>00146 <span class="keywordflow">return</span> TRUE; |
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157 <a name="l00147"></a>00147 } <span class="comment">/* end of bAdd2TextBlockList */</span> |
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158 <a name="l00148"></a>00148 |
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159 <a name="l00149"></a>00149 <span class="comment">/*</span> |
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160 <a name="l00150"></a>00150 <span class="comment"> * vSpitList - Split the list in two</span> |
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161 <a name="l00151"></a>00151 <span class="comment"> */</span> |
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162 <a name="l00152"></a>00152 <span class="keyword">static</span> <span class="keywordtype">void</span> |
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163 <a name="l00153"></a>00153 vSpitList(list_mem_type **ppAnchorCurr, list_mem_type **ppAnchorNext, |
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164 <a name="l00154"></a>00154 ULONG ulListLen) |
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165 <a name="l00155"></a>00155 { |
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166 <a name="l00156"></a>00156 list_mem_type *pCurr; |
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167 <a name="l00157"></a>00157 <span class="keywordtype">long</span> lCharsToGo, lBytesTooFar; |
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168 <a name="l00158"></a>00158 |
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169 <a name="l00159"></a>00159 fail(ppAnchorCurr == NULL); |
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170 <a name="l00160"></a>00160 fail(ppAnchorNext == NULL); |
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171 <a name="l00161"></a>00161 fail(ulListLen > (ULONG)LONG_MAX); |
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172 <a name="l00162"></a>00162 |
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173 <a name="l00163"></a>00163 pCurr = NULL; |
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174 <a name="l00164"></a>00164 lCharsToGo = (long)ulListLen; |
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175 <a name="l00165"></a>00165 lBytesTooFar = -1; |
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176 <a name="l00166"></a>00166 <span class="keywordflow">if</span> (ulListLen != 0) { |
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177 <a name="l00167"></a>00167 DBG_DEC(ulListLen); |
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178 <a name="l00168"></a>00168 <span class="keywordflow">for</span> (pCurr = *ppAnchorCurr; |
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179 <a name="l00169"></a>00169 pCurr != NULL; |
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180 <a name="l00170"></a>00170 pCurr = pCurr->pNext) { |
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181 <a name="l00171"></a>00171 NO_DBG_DEC(pCurr->tInfo.ulLength); |
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182 <a name="l00172"></a>00172 fail(pCurr->tInfo.ulLength == 0); |
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183 <a name="l00173"></a>00173 fail(pCurr->tInfo.ulLength > (ULONG)LONG_MAX); |
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184 <a name="l00174"></a>00174 <span class="keywordflow">if</span> (pCurr->tInfo.bUsesUnicode) { |
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185 <a name="l00175"></a>00175 fail(odd(pCurr->tInfo.ulLength)); |
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186 <a name="l00176"></a>00176 lCharsToGo -= (long)(pCurr->tInfo.ulLength / 2); |
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187 <a name="l00177"></a>00177 <span class="keywordflow">if</span> (lCharsToGo < 0) { |
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188 <a name="l00178"></a>00178 lBytesTooFar = -2 * lCharsToGo; |
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189 <a name="l00179"></a>00179 } |
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190 <a name="l00180"></a>00180 } <span class="keywordflow">else</span> { |
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191 <a name="l00181"></a>00181 lCharsToGo -= (long)pCurr->tInfo.ulLength; |
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192 <a name="l00182"></a>00182 if (lCharsToGo < 0) { |
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193 <a name="l00183"></a>00183 lBytesTooFar = -lCharsToGo; |
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194 <a name="l00184"></a>00184 } |
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195 <a name="l00185"></a>00185 } |
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196 <a name="l00186"></a>00186 <span class="keywordflow">if</span> (lCharsToGo <= 0) { |
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197 <a name="l00187"></a>00187 <span class="keywordflow">break</span>; |
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198 <a name="l00188"></a>00188 } |
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199 <a name="l00189"></a>00189 } |
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200 <a name="l00190"></a>00190 } |
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201 <a name="l00191"></a>00191 <span class="comment">/* Split the list */</span> |
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202 <a name="l00192"></a>00192 <span class="keywordflow">if</span> (ulListLen == 0) { |
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203 <a name="l00193"></a>00193 <span class="comment">/* Current blocklist is empty */</span> |
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204 <a name="l00194"></a>00194 *ppAnchorNext = *ppAnchorCurr; |
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205 <a name="l00195"></a>00195 *ppAnchorCurr = NULL; |
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206 <a name="l00196"></a>00196 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pCurr == NULL) { |
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207 <a name="l00197"></a>00197 <span class="comment">/* No blocks for the next list */</span> |
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208 <a name="l00198"></a>00198 *ppAnchorNext = NULL; |
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209 <a name="l00199"></a>00199 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (lCharsToGo == 0) { |
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210 <a name="l00200"></a>00200 <span class="comment">/* Move the integral number of blocks to the next list */</span> |
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211 <a name="l00201"></a>00201 *ppAnchorNext = pCurr->pNext; |
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212 <a name="l00202"></a>00202 pCurr->pNext = NULL; |
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213 <a name="l00203"></a>00203 } <span class="keywordflow">else</span> { |
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214 <a name="l00204"></a>00204 <span class="comment">/* Split the part current block list, part next block list */</span> |
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215 <a name="l00205"></a>00205 DBG_DEC(lBytesTooFar); |
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216 <a name="l00206"></a>00206 fail(lBytesTooFar <= 0); |
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217 <a name="l00207"></a>00207 *ppAnchorNext = xmalloc(<span class="keyword">sizeof</span>(list_mem_type)); |
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218 <a name="l00208"></a>00208 DBG_HEX(pCurr->tInfo.ulFileOffset); |
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219 <a name="l00209"></a>00209 (*ppAnchorNext)->tInfo.ulFileOffset = |
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220 <a name="l00210"></a>00210 pCurr->tInfo.ulFileOffset + |
|
221 <a name="l00211"></a>00211 pCurr->tInfo.ulLength - |
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222 <a name="l00212"></a>00212 lBytesTooFar; |
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223 <a name="l00213"></a>00213 DBG_HEX((*ppAnchorNext)->tInfo.ulFileOffset); |
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224 <a name="l00214"></a>00214 DBG_HEX(pCurr->tInfo.ulCharPos); |
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225 <a name="l00215"></a>00215 (*ppAnchorNext)->tInfo.ulCharPos = |
|
226 <a name="l00216"></a>00216 pCurr->tInfo.ulCharPos + |
|
227 <a name="l00217"></a>00217 pCurr->tInfo.ulLength - |
|
228 <a name="l00218"></a>00218 lBytesTooFar; |
|
229 <a name="l00219"></a>00219 DBG_HEX((*ppAnchorNext)->tInfo.ulCharPos); |
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230 <a name="l00220"></a>00220 (*ppAnchorNext)->tInfo.ulLength = (ULONG)lBytesTooFar; |
|
231 <a name="l00221"></a>00221 pCurr->tInfo.ulLength -= (ULONG)lBytesTooFar; |
|
232 <a name="l00222"></a>00222 (*ppAnchorNext)->tInfo.bUsesUnicode = pCurr->tInfo.bUsesUnicode; |
|
233 <a name="l00223"></a>00223 (*ppAnchorNext)->tInfo.usPropMod = pCurr->tInfo.usPropMod; |
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234 <a name="l00224"></a>00224 <span class="comment">/* Move the integral number of blocks to the next list */</span> |
|
235 <a name="l00225"></a>00225 (*ppAnchorNext)->pNext = pCurr->pNext; |
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236 <a name="l00226"></a>00226 pCurr->pNext = NULL; |
|
237 <a name="l00227"></a>00227 } |
|
238 <a name="l00228"></a>00228 } <span class="comment">/* end of vSpitList */</span> |
|
239 <a name="l00229"></a>00229 |
|
240 <a name="l00230"></a>00230 <span class="preprocessor">#if defined(DEBUG) || defined(__riscos)</span> |
|
241 <a name="l00231"></a>00231 <span class="preprocessor"></span><span class="comment">/*</span> |
|
242 <a name="l00232"></a>00232 <span class="comment"> * ulComputeListLength - compute the length of a list</span> |
|
243 <a name="l00233"></a>00233 <span class="comment"> *</span> |
|
244 <a name="l00234"></a>00234 <span class="comment"> * returns the list length in characters</span> |
|
245 <a name="l00235"></a>00235 <span class="comment"> */</span> |
|
246 <a name="l00236"></a>00236 <span class="keyword">static</span> ULONG |
|
247 <a name="l00237"></a>00237 ulComputeListLength(<span class="keyword">const</span> list_mem_type *pAnchor) |
|
248 <a name="l00238"></a>00238 { |
|
249 <a name="l00239"></a>00239 <span class="keyword">const</span> list_mem_type *pCurr; |
|
250 <a name="l00240"></a>00240 ULONG ulTotal; |
|
251 <a name="l00241"></a>00241 |
|
252 <a name="l00242"></a>00242 ulTotal = 0; |
|
253 <a name="l00243"></a>00243 <span class="keywordflow">for</span> (pCurr = pAnchor; pCurr != NULL; pCurr = pCurr->pNext) { |
|
254 <a name="l00244"></a>00244 fail(pCurr->tInfo.ulLength == 0); |
|
255 <a name="l00245"></a>00245 <span class="keywordflow">if</span> (pCurr->tInfo.bUsesUnicode) { |
|
256 <a name="l00246"></a>00246 fail(odd(pCurr->tInfo.ulLength)); |
|
257 <a name="l00247"></a>00247 ulTotal += pCurr->tInfo.ulLength / 2; |
|
258 <a name="l00248"></a>00248 } <span class="keywordflow">else</span> { |
|
259 <a name="l00249"></a>00249 ulTotal += pCurr->tInfo.ulLength; |
|
260 <a name="l00250"></a>00250 } |
|
261 <a name="l00251"></a>00251 } |
|
262 <a name="l00252"></a>00252 <span class="keywordflow">return</span> ulTotal; |
|
263 <a name="l00253"></a>00253 } <span class="comment">/* end of ulComputeListLength */</span> |
|
264 <a name="l00254"></a>00254 <span class="preprocessor">#endif </span><span class="comment">/* DEBUG || __riscos */</span> |
|
265 <a name="l00255"></a>00255 |
|
266 <a name="l00256"></a>00256 <span class="preprocessor">#if defined(DEBUG)</span> |
|
267 <a name="l00257"></a>00257 <span class="preprocessor"></span><span class="comment">/*</span> |
|
268 <a name="l00258"></a>00258 <span class="comment"> * vCheckList - check the number of bytes in a block list</span> |
|
269 <a name="l00259"></a>00259 <span class="comment"> */</span> |
|
270 <a name="l00260"></a>00260 <span class="keyword">static</span> <span class="keywordtype">void</span> |
|
271 <a name="l00261"></a>00261 vCheckList(<span class="keyword">const</span> list_mem_type *pAnchor, ULONG ulListLen, <span class="keywordtype">char</span> *szMsg) |
|
272 <a name="l00262"></a>00262 { |
|
273 <a name="l00263"></a>00263 ULONG ulTotal; |
|
274 <a name="l00264"></a>00264 |
|
275 <a name="l00265"></a>00265 ulTotal = ulComputeListLength(pAnchor); |
|
276 <a name="l00266"></a>00266 DBG_DEC(ulTotal); |
|
277 <a name="l00267"></a>00267 <span class="keywordflow">if</span> (ulTotal != ulListLen) { |
|
278 <a name="l00268"></a>00268 DBG_DEC(ulListLen); |
|
279 <a name="l00269"></a>00269 werr(1, szMsg); |
|
280 <a name="l00270"></a>00270 } |
|
281 <a name="l00271"></a>00271 } <span class="comment">/* end of vCheckList */</span> |
|
282 <a name="l00272"></a>00272 <span class="preprocessor">#endif </span><span class="comment">/* DEBUG */</span> |
|
283 <a name="l00273"></a>00273 |
|
284 <a name="l00274"></a>00274 <span class="comment">/*</span> |
|
285 <a name="l00275"></a>00275 <span class="comment"> * bIsEmptyBox - check to see if the given text box is empty</span> |
|
286 <a name="l00276"></a>00276 <span class="comment"> */</span> |
|
287 <a name="l00277"></a>00277 <span class="keyword">static</span> BOOL |
|
288 <a name="l00278"></a>00278 bIsEmptyBox(FILE *pFile, <span class="keyword">const</span> list_mem_type *pAnchor) |
|
289 <a name="l00279"></a>00279 { |
|
290 <a name="l00280"></a>00280 <span class="keyword">const</span> list_mem_type *pCurr; |
|
291 <a name="l00281"></a>00281 <span class="keywordtype">size_t</span> tIndex, tSize; |
|
292 <a name="l00282"></a>00282 UCHAR *aucBuffer; |
|
293 <a name="l00283"></a>00283 <span class="keywordtype">char</span> cChar; |
|
294 <a name="l00284"></a>00284 |
|
295 <a name="l00285"></a>00285 fail(pFile == NULL); |
|
296 <a name="l00286"></a>00286 |
|
297 <a name="l00287"></a>00287 <span class="keywordflow">if</span> (pAnchor == NULL) { |
|
298 <a name="l00288"></a>00288 <span class="keywordflow">return</span> TRUE; |
|
299 <a name="l00289"></a>00289 } |
|
300 <a name="l00290"></a>00290 |
|
301 <a name="l00291"></a>00291 aucBuffer = NULL; |
|
302 <a name="l00292"></a>00292 <span class="keywordflow">for</span> (pCurr = pAnchor; pCurr != NULL; pCurr = pCurr->pNext) { |
|
303 <a name="l00293"></a>00293 fail(pCurr->tInfo.ulLength == 0); |
|
304 <a name="l00294"></a>00294 tSize = (size_t)pCurr->tInfo.ulLength; |
|
305 <a name="l00295"></a>00295 #<span class="keywordflow">if</span> defined(__dos) && !defined(__DJGPP__) |
|
306 <a name="l00296"></a>00296 if (pCurr->tInfo.ulLength > 0xffffUL) { |
|
307 <a name="l00297"></a>00297 tSize = 0xffff; |
|
308 <a name="l00298"></a>00298 } |
|
309 <a name="l00299"></a>00299 <span class="preprocessor">#endif </span><span class="comment">/* __dos && !__DJGPP__ */</span> |
|
310 <a name="l00300"></a>00300 fail(aucBuffer != NULL); |
|
311 <a name="l00301"></a>00301 aucBuffer = xmalloc(tSize); |
|
312 <a name="l00302"></a>00302 <span class="keywordflow">if</span> (!bReadBytes(aucBuffer, tSize, |
|
313 <a name="l00303"></a>00303 pCurr->tInfo.ulFileOffset, pFile)) { |
|
314 <a name="l00304"></a>00304 aucBuffer = xfree(aucBuffer); |
|
315 <a name="l00305"></a>00305 <span class="keywordflow">return</span> FALSE; |
|
316 <a name="l00306"></a>00306 } |
|
317 <a name="l00307"></a>00307 <span class="keywordflow">for</span> (tIndex = 0; tIndex < tSize; tIndex++) { |
|
318 <a name="l00308"></a>00308 cChar = (char)aucBuffer[tIndex]; |
|
319 <a name="l00309"></a>00309 <span class="keywordflow">switch</span> (cChar) { |
|
320 <a name="l00310"></a>00310 <span class="keywordflow">case</span> <span class="charliteral">'\0'</span>: <span class="keywordflow">case</span> <span class="charliteral">'\r'</span>: <span class="keywordflow">case</span> <span class="charliteral">'\n'</span>: |
|
321 <a name="l00311"></a>00311 <span class="keywordflow">case</span> <span class="charliteral">'\f'</span>: <span class="keywordflow">case</span> <span class="charliteral">'\t'</span>: <span class="keywordflow">case</span> <span class="charliteral">'\v'</span>: |
|
322 <a name="l00312"></a>00312 <span class="keywordflow">case</span> <span class="charliteral">' '</span>: |
|
323 <a name="l00313"></a>00313 <span class="keywordflow">break</span>; |
|
324 <a name="l00314"></a>00314 <span class="keywordflow">default</span>: |
|
325 <a name="l00315"></a>00315 aucBuffer = xfree(aucBuffer); |
|
326 <a name="l00316"></a>00316 <span class="keywordflow">return</span> FALSE; |
|
327 <a name="l00317"></a>00317 } |
|
328 <a name="l00318"></a>00318 } |
|
329 <a name="l00319"></a>00319 aucBuffer = xfree(aucBuffer); |
|
330 <a name="l00320"></a>00320 } |
|
331 <a name="l00321"></a>00321 fail(aucBuffer != NULL); |
|
332 <a name="l00322"></a>00322 <span class="keywordflow">return</span> TRUE; |
|
333 <a name="l00323"></a>00323 } <span class="comment">/* end of bIsEmptyBox */</span> |
|
334 <a name="l00324"></a>00324 |
|
335 <a name="l00325"></a>00325 <span class="comment">/*</span> |
|
336 <a name="l00326"></a>00326 <span class="comment"> * vSplitBlockList - split the block list in the various parts</span> |
|
337 <a name="l00327"></a>00327 <span class="comment"> *</span> |
|
338 <a name="l00328"></a>00328 <span class="comment"> * Split the blocklist in a Text block list, a Footnote block list, a</span> |
|
339 <a name="l00329"></a>00329 <span class="comment"> * HeaderFooter block list, a Macro block list, an Annotation block list,</span> |
|
340 <a name="l00330"></a>00330 <span class="comment"> * an Endnote block list, a TextBox list and a HeaderTextBox list.</span> |
|
341 <a name="l00331"></a>00331 <span class="comment"> *</span> |
|
342 <a name="l00332"></a>00332 <span class="comment"> * NOTE:</span> |
|
343 <a name="l00333"></a>00333 <span class="comment"> * The various ul*Len input parameters are given in characters, but the</span> |
|
344 <a name="l00334"></a>00334 <span class="comment"> * length of the blocks are in bytes.</span> |
|
345 <a name="l00335"></a>00335 <span class="comment"> */</span> |
|
346 <a name="l00336"></a>00336 <span class="keywordtype">void</span> |
|
347 <a name="l00337"></a>00337 vSplitBlockList(FILE *pFile, ULONG ulTextLen, ULONG ulFootnoteLen, |
|
348 <a name="l00338"></a>00338 ULONG ulHdrFtrLen, ULONG ulMacroLen, ULONG ulAnnotationLen, |
|
349 <a name="l00339"></a>00339 ULONG ulEndnoteLen, ULONG ulTextBoxLen, ULONG ulHdrTextBoxLen, |
|
350 <a name="l00340"></a>00340 BOOL bMustExtend) |
|
351 <a name="l00341"></a>00341 { |
|
352 <a name="l00342"></a>00342 list_mem_type *apAnchors[8]; |
|
353 <a name="l00343"></a>00343 list_mem_type *pGarbageAnchor, *pCurr; |
|
354 <a name="l00344"></a>00344 <span class="keywordtype">size_t</span> tIndex; |
|
355 <a name="l00345"></a>00345 |
|
356 <a name="l00346"></a>00346 DBG_MSG(<span class="stringliteral">"vSplitBlockList"</span>); |
|
357 <a name="l00347"></a>00347 |
|
358 <a name="l00348"></a>00348 pGarbageAnchor = NULL; |
|
359 <a name="l00349"></a>00349 |
|
360 <a name="l00350"></a>00350 DBG_MSG_C(ulTextLen != 0, <span class="stringliteral">"Text block list"</span>); |
|
361 <a name="l00351"></a>00351 vSpitList(&pTextAnchor, &pFootnoteAnchor, ulTextLen); |
|
362 <a name="l00352"></a>00352 DBG_MSG_C(ulFootnoteLen != 0, <span class="stringliteral">"Footnote block list"</span>); |
|
363 <a name="l00353"></a>00353 vSpitList(&pFootnoteAnchor, &pHdrFtrAnchor, ulFootnoteLen); |
|
364 <a name="l00354"></a>00354 DBG_MSG_C(ulHdrFtrLen != 0, <span class="stringliteral">"Header/Footer block list"</span>); |
|
365 <a name="l00355"></a>00355 vSpitList(&pHdrFtrAnchor, &pMacroAnchor, ulHdrFtrLen); |
|
366 <a name="l00356"></a>00356 DBG_MSG_C(ulMacroLen != 0, <span class="stringliteral">"Macro block list"</span>); |
|
367 <a name="l00357"></a>00357 vSpitList(&pMacroAnchor, &pAnnotationAnchor, ulMacroLen); |
|
368 <a name="l00358"></a>00358 DBG_MSG_C(ulAnnotationLen != 0, <span class="stringliteral">"Annotation block list"</span>); |
|
369 <a name="l00359"></a>00359 vSpitList(&pAnnotationAnchor, &pEndnoteAnchor, ulAnnotationLen); |
|
370 <a name="l00360"></a>00360 DBG_MSG_C(ulEndnoteLen != 0, <span class="stringliteral">"Endnote block list"</span>); |
|
371 <a name="l00361"></a>00361 vSpitList(&pEndnoteAnchor, &pTextBoxAnchor, ulEndnoteLen); |
|
372 <a name="l00362"></a>00362 DBG_MSG_C(ulTextBoxLen != 0, <span class="stringliteral">"Textbox block list"</span>); |
|
373 <a name="l00363"></a>00363 vSpitList(&pTextBoxAnchor, &pHdrTextBoxAnchor, ulTextBoxLen); |
|
374 <a name="l00364"></a>00364 DBG_MSG_C(ulHdrTextBoxLen != 0, <span class="stringliteral">"HeaderTextbox block list"</span>); |
|
375 <a name="l00365"></a>00365 vSpitList(&pHdrTextBoxAnchor, &pGarbageAnchor, ulHdrTextBoxLen); |
|
376 <a name="l00366"></a>00366 |
|
377 <a name="l00367"></a>00367 <span class="comment">/* Free the garbage block list, this should not be needed */</span> |
|
378 <a name="l00368"></a>00368 DBG_DEC_C(pGarbageAnchor != NULL, pGarbageAnchor->tInfo.ulLength); |
|
379 <a name="l00369"></a>00369 pGarbageAnchor = pFreeOneList(pGarbageAnchor); |
|
380 <a name="l00370"></a>00370 |
|
381 <a name="l00371"></a>00371 <span class="preprocessor">#if defined(DEBUG)</span> |
|
382 <a name="l00372"></a>00372 <span class="preprocessor"></span> vCheckList(pTextAnchor, ulTextLen, <span class="stringliteral">"Software error (Text)"</span>); |
|
383 <a name="l00373"></a>00373 vCheckList(pFootnoteAnchor, ulFootnoteLen, <span class="stringliteral">"Software error (Footnote)"</span>); |
|
384 <a name="l00374"></a>00374 vCheckList(pHdrFtrAnchor, ulHdrFtrLen, <span class="stringliteral">"Software error (Hdr/Ftr)"</span>); |
|
385 <a name="l00375"></a>00375 vCheckList(pMacroAnchor, ulMacroLen, <span class="stringliteral">"Software error (Macro)"</span>); |
|
386 <a name="l00376"></a>00376 vCheckList(pAnnotationAnchor, ulAnnotationLen, |
|
387 <a name="l00377"></a>00377 <span class="stringliteral">"Software error (Annotation)"</span>); |
|
388 <a name="l00378"></a>00378 vCheckList(pEndnoteAnchor, ulEndnoteLen, <span class="stringliteral">"Software error (Endnote)"</span>); |
|
389 <a name="l00379"></a>00379 vCheckList(pTextBoxAnchor, ulTextBoxLen, <span class="stringliteral">"Software error (TextBox)"</span>); |
|
390 <a name="l00380"></a>00380 vCheckList(pHdrTextBoxAnchor, ulHdrTextBoxLen, |
|
391 <a name="l00381"></a>00381 <span class="stringliteral">"Software error (HdrTextBox)"</span>); |
|
392 <a name="l00382"></a>00382 <span class="preprocessor">#endif </span><span class="comment">/* DEBUG */</span> |
|
393 <a name="l00383"></a>00383 |
|
394 <a name="l00384"></a>00384 <span class="comment">/* Remove the list if the text box is empty */</span> |
|
395 <a name="l00385"></a>00385 <span class="keywordflow">if</span> (bIsEmptyBox(pFile, pTextBoxAnchor)) { |
|
396 <a name="l00386"></a>00386 pTextBoxAnchor = pFreeOneList(pTextBoxAnchor); |
|
397 <a name="l00387"></a>00387 } |
|
398 <a name="l00388"></a>00388 <span class="keywordflow">if</span> (bIsEmptyBox(pFile, pHdrTextBoxAnchor)) { |
|
399 <a name="l00389"></a>00389 pHdrTextBoxAnchor = pFreeOneList(pHdrTextBoxAnchor); |
|
400 <a name="l00390"></a>00390 } |
|
401 <a name="l00391"></a>00391 |
|
402 <a name="l00392"></a>00392 <span class="keywordflow">if</span> (!bMustExtend) { |
|
403 <a name="l00393"></a>00393 <span class="keywordflow">return</span>; |
|
404 <a name="l00394"></a>00394 } |
|
405 <a name="l00395"></a>00395 <span class="comment">/*</span> |
|
406 <a name="l00396"></a>00396 <span class="comment"> * All blocks (except the last one) must have a length that</span> |
|
407 <a name="l00397"></a>00397 <span class="comment"> * is a multiple of the Big Block Size</span> |
|
408 <a name="l00398"></a>00398 <span class="comment"> */</span> |
|
409 <a name="l00399"></a>00399 |
|
410 <a name="l00400"></a>00400 apAnchors[0] = pTextAnchor; |
|
411 <a name="l00401"></a>00401 apAnchors[1] = pFootnoteAnchor; |
|
412 <a name="l00402"></a>00402 apAnchors[2] = pHdrFtrAnchor; |
|
413 <a name="l00403"></a>00403 apAnchors[3] = pMacroAnchor; |
|
414 <a name="l00404"></a>00404 apAnchors[4] = pAnnotationAnchor; |
|
415 <a name="l00405"></a>00405 apAnchors[5] = pEndnoteAnchor; |
|
416 <a name="l00406"></a>00406 apAnchors[6] = pTextBoxAnchor; |
|
417 <a name="l00407"></a>00407 apAnchors[7] = pHdrTextBoxAnchor; |
|
418 <a name="l00408"></a>00408 |
|
419 <a name="l00409"></a>00409 <span class="keywordflow">for</span> (tIndex = 0; tIndex < elementsof(apAnchors); tIndex++) { |
|
420 <a name="l00410"></a>00410 <span class="keywordflow">for</span> (pCurr = apAnchors[tIndex]; |
|
421 <a name="l00411"></a>00411 pCurr != NULL; |
|
422 <a name="l00412"></a>00412 pCurr = pCurr->pNext) { |
|
423 <a name="l00413"></a>00413 <span class="keywordflow">if</span> (pCurr->pNext != NULL && |
|
424 <a name="l00414"></a>00414 pCurr->tInfo.ulLength % BIG_BLOCK_SIZE != 0) { |
|
425 <a name="l00415"></a>00415 DBG_DEC(tIndex); |
|
426 <a name="l00416"></a>00416 DBG_HEX(pCurr->tInfo.ulFileOffset); |
|
427 <a name="l00417"></a>00417 DBG_HEX(pCurr->tInfo.ulCharPos); |
|
428 <a name="l00418"></a>00418 DBG_DEC(pCurr->tInfo.ulLength); |
|
429 <a name="l00419"></a>00419 pCurr->tInfo.ulLength /= BIG_BLOCK_SIZE; |
|
430 <a name="l00420"></a>00420 pCurr->tInfo.ulLength++; |
|
431 <a name="l00421"></a>00421 pCurr->tInfo.ulLength *= BIG_BLOCK_SIZE; |
|
432 <a name="l00422"></a>00422 DBG_DEC(pCurr->tInfo.ulLength); |
|
433 <a name="l00423"></a>00423 } |
|
434 <a name="l00424"></a>00424 } |
|
435 <a name="l00425"></a>00425 } |
|
436 <a name="l00426"></a>00426 } <span class="comment">/* end of vSplitBlockList */</span> |
|
437 <a name="l00427"></a>00427 |
|
438 <a name="l00428"></a>00428 <span class="preprocessor">#if defined(__riscos)</span> |
|
439 <a name="l00429"></a>00429 <span class="preprocessor"></span><span class="comment">/*</span> |
|
440 <a name="l00430"></a>00430 <span class="comment"> * ulGetDocumentLength - get the total character length of the printable lists</span> |
|
441 <a name="l00431"></a>00431 <span class="comment"> *</span> |
|
442 <a name="l00432"></a>00432 <span class="comment"> * returns: The total number of characters</span> |
|
443 <a name="l00433"></a>00433 <span class="comment"> */</span> |
|
444 <a name="l00434"></a>00434 ULONG |
|
445 <a name="l00435"></a>00435 ulGetDocumentLength(<span class="keywordtype">void</span>) |
|
446 <a name="l00436"></a>00436 { |
|
447 <a name="l00437"></a>00437 <span class="keywordtype">long</span> ulTotal; |
|
448 <a name="l00438"></a>00438 |
|
449 <a name="l00439"></a>00439 DBG_MSG(<span class="stringliteral">"ulGetDocumentLength"</span>); |
|
450 <a name="l00440"></a>00440 |
|
451 <a name="l00441"></a>00441 ulTotal = ulComputeListLength(pTextAnchor); |
|
452 <a name="l00442"></a>00442 ulTotal += ulComputeListLength(pFootnoteAnchor); |
|
453 <a name="l00443"></a>00443 ulTotal += ulComputeListLength(pEndnoteAnchor); |
|
454 <a name="l00444"></a>00444 ulTotal += ulComputeListLength(pTextBoxAnchor); |
|
455 <a name="l00445"></a>00445 ulTotal += ulComputeListLength(pHdrTextBoxAnchor); |
|
456 <a name="l00446"></a>00446 DBG_DEC(ulTotal); |
|
457 <a name="l00447"></a>00447 <span class="keywordflow">return</span> ulTotal; |
|
458 <a name="l00448"></a>00448 } <span class="comment">/* end of ulGetDocumentLength */</span> |
|
459 <a name="l00449"></a>00449 <span class="preprocessor">#endif </span><span class="comment">/* __riscos */</span> |
|
460 <a name="l00450"></a>00450 |
|
461 <a name="l00451"></a>00451 <span class="preprocessor">#if 0</span> |
|
462 <a name="l00452"></a>00452 <span class="preprocessor"></span><span class="comment">/*</span> |
|
463 <a name="l00453"></a>00453 <span class="comment"> * bExistsHdrFtr - are there headers and/or footers?</span> |
|
464 <a name="l00454"></a>00454 <span class="comment"> */</span> |
|
465 <a name="l00455"></a>00455 BOOL |
|
466 <a name="l00456"></a>00456 bExistsHdrFtr(<span class="keywordtype">void</span>) |
|
467 <a name="l00457"></a>00457 { |
|
468 <a name="l00458"></a>00458 <span class="keywordflow">return</span> pHdrFtrAnchor != NULL && |
|
469 <a name="l00459"></a>00459 pHdrFtrAnchor->tInfo.ulLength != 0; |
|
470 <a name="l00460"></a>00460 } <span class="comment">/* end of bExistsHdrFtr */</span> |
|
471 <a name="l00461"></a>00461 <span class="preprocessor">#endif</span> |
|
472 <a name="l00462"></a>00462 <span class="preprocessor"></span> |
|
473 <a name="l00463"></a>00463 <span class="comment">/*</span> |
|
474 <a name="l00464"></a>00464 <span class="comment"> * bExistsTextBox - is there a text box?</span> |
|
475 <a name="l00465"></a>00465 <span class="comment"> */</span> |
|
476 <a name="l00466"></a>00466 BOOL |
|
477 <a name="l00467"></a>00467 bExistsTextBox(<span class="keywordtype">void</span>) |
|
478 <a name="l00468"></a>00468 { |
|
479 <a name="l00469"></a>00469 <span class="keywordflow">return</span> pTextBoxAnchor != NULL && |
|
480 <a name="l00470"></a>00470 pTextBoxAnchor->tInfo.ulLength != 0; |
|
481 <a name="l00471"></a>00471 } <span class="comment">/* end of bExistsTextBox */</span> |
|
482 <a name="l00472"></a>00472 |
|
483 <a name="l00473"></a>00473 <span class="comment">/*</span> |
|
484 <a name="l00474"></a>00474 <span class="comment"> * bExistsHdrTextBox - is there a header text box?</span> |
|
485 <a name="l00475"></a>00475 <span class="comment"> */</span> |
|
486 <a name="l00476"></a>00476 BOOL |
|
487 <a name="l00477"></a>00477 bExistsHdrTextBox(<span class="keywordtype">void</span>) |
|
488 <a name="l00478"></a>00478 { |
|
489 <a name="l00479"></a>00479 <span class="keywordflow">return</span> pHdrTextBoxAnchor != NULL && |
|
490 <a name="l00480"></a>00480 pHdrTextBoxAnchor->tInfo.ulLength != 0; |
|
491 <a name="l00481"></a>00481 } <span class="comment">/* end of bExistsHdrTextBox */</span> |
|
492 <a name="l00482"></a>00482 |
|
493 <a name="l00483"></a>00483 <span class="comment">/*</span> |
|
494 <a name="l00484"></a>00484 <span class="comment"> * usGetNextByte - get the next byte from the specified block list</span> |
|
495 <a name="l00485"></a>00485 <span class="comment"> */</span> |
|
496 <a name="l00486"></a>00486 <span class="keyword">static</span> USHORT |
|
497 <a name="l00487"></a>00487 usGetNextByte(FILE *pFile, readinfo_type *pInfoCurrent, list_mem_type *pAnchor, |
|
498 <a name="l00488"></a>00488 ULONG *pulFileOffset, ULONG *pulCharPos, USHORT *pusPropMod) |
|
499 <a name="l00489"></a>00489 { |
|
500 <a name="l00490"></a>00490 ULONG ulReadOff; |
|
501 <a name="l00491"></a>00491 <span class="keywordtype">size_t</span> tReadLen; |
|
502 <a name="l00492"></a>00492 |
|
503 <a name="l00493"></a>00493 fail(pInfoCurrent == NULL); |
|
504 <a name="l00494"></a>00494 |
|
505 <a name="l00495"></a>00495 <span class="keywordflow">if</span> (pInfoCurrent->pBlockCurrent == NULL || |
|
506 <a name="l00496"></a>00496 pInfoCurrent->tByteNext >= <span class="keyword">sizeof</span>(pInfoCurrent->aucBlock) || |
|
507 <a name="l00497"></a>00497 pInfoCurrent->ulBlockOffset + pInfoCurrent->tByteNext >= |
|
508 <a name="l00498"></a>00498 pInfoCurrent->pBlockCurrent->tInfo.ulLength) { |
|
509 <a name="l00499"></a>00499 <span class="keywordflow">if</span> (pInfoCurrent->pBlockCurrent == NULL) { |
|
510 <a name="l00500"></a>00500 <span class="comment">/* First block, first part */</span> |
|
511 <a name="l00501"></a>00501 pInfoCurrent->pBlockCurrent = pAnchor; |
|
512 <a name="l00502"></a>00502 pInfoCurrent->ulBlockOffset = 0; |
|
513 <a name="l00503"></a>00503 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pInfoCurrent->ulBlockOffset + |
|
514 <a name="l00504"></a>00504 <span class="keyword">sizeof</span>(pInfoCurrent->aucBlock) < |
|
515 <a name="l00505"></a>00505 pInfoCurrent->pBlockCurrent->tInfo.ulLength) { |
|
516 <a name="l00506"></a>00506 <span class="comment">/* Same block, next part */</span> |
|
517 <a name="l00507"></a>00507 pInfoCurrent->ulBlockOffset += |
|
518 <a name="l00508"></a>00508 <span class="keyword">sizeof</span>(pInfoCurrent->aucBlock); |
|
519 <a name="l00509"></a>00509 } <span class="keywordflow">else</span> { |
|
520 <a name="l00510"></a>00510 <span class="comment">/* Next block, first part */</span> |
|
521 <a name="l00511"></a>00511 pInfoCurrent->pBlockCurrent = |
|
522 <a name="l00512"></a>00512 pInfoCurrent->pBlockCurrent->pNext; |
|
523 <a name="l00513"></a>00513 pInfoCurrent->ulBlockOffset = 0; |
|
524 <a name="l00514"></a>00514 } |
|
525 <a name="l00515"></a>00515 <span class="keywordflow">if</span> (pInfoCurrent->pBlockCurrent == NULL) { |
|
526 <a name="l00516"></a>00516 <span class="comment">/* Past the last part of the last block */</span> |
|
527 <a name="l00517"></a>00517 <span class="keywordflow">return</span> (USHORT)EOF; |
|
528 <a name="l00518"></a>00518 } |
|
529 <a name="l00519"></a>00519 tReadLen = (size_t) |
|
530 <a name="l00520"></a>00520 (pInfoCurrent->pBlockCurrent->tInfo.ulLength - |
|
531 <a name="l00521"></a>00521 pInfoCurrent->ulBlockOffset); |
|
532 <a name="l00522"></a>00522 <span class="keywordflow">if</span> (tReadLen > <span class="keyword">sizeof</span>(pInfoCurrent->aucBlock)) { |
|
533 <a name="l00523"></a>00523 tReadLen = <span class="keyword">sizeof</span>(pInfoCurrent->aucBlock); |
|
534 <a name="l00524"></a>00524 } |
|
535 <a name="l00525"></a>00525 ulReadOff = pInfoCurrent->pBlockCurrent->tInfo.ulFileOffset + |
|
536 <a name="l00526"></a>00526 pInfoCurrent->ulBlockOffset; |
|
537 <a name="l00527"></a>00527 <span class="keywordflow">if</span> (!bReadBytes(pInfoCurrent->aucBlock, |
|
538 <a name="l00528"></a>00528 tReadLen, ulReadOff, pFile)) { |
|
539 <a name="l00529"></a>00529 <span class="comment">/* Don't read from this list any longer */</span> |
|
540 <a name="l00530"></a>00530 pInfoCurrent->pBlockCurrent = NULL; |
|
541 <a name="l00531"></a>00531 <span class="keywordflow">return</span> (USHORT)EOF; |
|
542 <a name="l00532"></a>00532 } |
|
543 <a name="l00533"></a>00533 pInfoCurrent->tByteNext = 0; |
|
544 <a name="l00534"></a>00534 } |
|
545 <a name="l00535"></a>00535 <span class="keywordflow">if</span> (pulFileOffset != NULL) { |
|
546 <a name="l00536"></a>00536 *pulFileOffset = |
|
547 <a name="l00537"></a>00537 pInfoCurrent->pBlockCurrent->tInfo.ulFileOffset + |
|
548 <a name="l00538"></a>00538 pInfoCurrent->ulBlockOffset + |
|
549 <a name="l00539"></a>00539 pInfoCurrent->tByteNext; |
|
550 <a name="l00540"></a>00540 } |
|
551 <a name="l00541"></a>00541 <span class="keywordflow">if</span> (pulCharPos != NULL) { |
|
552 <a name="l00542"></a>00542 *pulCharPos = |
|
553 <a name="l00543"></a>00543 pInfoCurrent->pBlockCurrent->tInfo.ulCharPos + |
|
554 <a name="l00544"></a>00544 pInfoCurrent->ulBlockOffset + |
|
555 <a name="l00545"></a>00545 pInfoCurrent->tByteNext; |
|
556 <a name="l00546"></a>00546 } |
|
557 <a name="l00547"></a>00547 <span class="keywordflow">if</span> (pusPropMod != NULL) { |
|
558 <a name="l00548"></a>00548 *pusPropMod = pInfoCurrent->pBlockCurrent->tInfo.usPropMod; |
|
559 <a name="l00549"></a>00549 } |
|
560 <a name="l00550"></a>00550 <span class="keywordflow">return</span> (USHORT)pInfoCurrent->aucBlock[pInfoCurrent->tByteNext++]; |
|
561 <a name="l00551"></a>00551 } <span class="comment">/* end of usGetNextByte */</span> |
|
562 <a name="l00552"></a>00552 |
|
563 <a name="l00553"></a>00553 |
|
564 <a name="l00554"></a>00554 <span class="comment">/*</span> |
|
565 <a name="l00555"></a>00555 <span class="comment"> * usGetNextChar - get the next character from the specified block list</span> |
|
566 <a name="l00556"></a>00556 <span class="comment"> */</span> |
|
567 <a name="l00557"></a>00557 <span class="keyword">static</span> USHORT |
|
568 <a name="l00558"></a>00558 usGetNextChar(FILE *pFile, list_id_enum eListID, |
|
569 <a name="l00559"></a>00559 ULONG *pulFileOffset, ULONG *pulCharPos, USHORT *pusPropMod) |
|
570 <a name="l00560"></a>00560 { |
|
571 <a name="l00561"></a>00561 readinfo_type *pReadinfo; |
|
572 <a name="l00562"></a>00562 list_mem_type *pAnchor; |
|
573 <a name="l00563"></a>00563 USHORT usLSB, usMSB; |
|
574 <a name="l00564"></a>00564 |
|
575 <a name="l00565"></a>00565 <span class="keywordflow">switch</span> (eListID) { |
|
576 <a name="l00566"></a>00566 <span class="keywordflow">case</span> text_list: |
|
577 <a name="l00567"></a>00567 pReadinfo = &tOthers; |
|
578 <a name="l00568"></a>00568 pAnchor = pTextAnchor; |
|
579 <a name="l00569"></a>00569 <span class="keywordflow">break</span>; |
|
580 <a name="l00570"></a>00570 <span class="keywordflow">case</span> footnote_list: |
|
581 <a name="l00571"></a>00571 pReadinfo = &tFootnote; |
|
582 <a name="l00572"></a>00572 pAnchor = pFootnoteAnchor; |
|
583 <a name="l00573"></a>00573 <span class="keywordflow">break</span>; |
|
584 <a name="l00574"></a>00574 <span class="keywordflow">case</span> hdrftr_list: |
|
585 <a name="l00575"></a>00575 pReadinfo = &tHdrFtr; |
|
586 <a name="l00576"></a>00576 pAnchor = pHdrFtrAnchor; |
|
587 <a name="l00577"></a>00577 <span class="keywordflow">break</span>; |
|
588 <a name="l00578"></a>00578 <span class="keywordflow">case</span> endnote_list: |
|
589 <a name="l00579"></a>00579 pReadinfo = &tOthers; |
|
590 <a name="l00580"></a>00580 pAnchor = pEndnoteAnchor; |
|
591 <a name="l00581"></a>00581 <span class="keywordflow">break</span>; |
|
592 <a name="l00582"></a>00582 <span class="keywordflow">case</span> textbox_list: |
|
593 <a name="l00583"></a>00583 pReadinfo = &tOthers; |
|
594 <a name="l00584"></a>00584 pAnchor = pTextBoxAnchor; |
|
595 <a name="l00585"></a>00585 <span class="keywordflow">break</span>; |
|
596 <a name="l00586"></a>00586 <span class="keywordflow">case</span> hdrtextbox_list: |
|
597 <a name="l00587"></a>00587 pReadinfo = &tOthers; |
|
598 <a name="l00588"></a>00588 pAnchor = pHdrTextBoxAnchor; |
|
599 <a name="l00589"></a>00589 <span class="keywordflow">break</span>; |
|
600 <a name="l00590"></a>00590 <span class="keywordflow">default</span>: |
|
601 <a name="l00591"></a>00591 DBG_DEC(eListID); |
|
602 <a name="l00592"></a>00592 <span class="keywordflow">return</span> (USHORT)EOF; |
|
603 <a name="l00593"></a>00593 } |
|
604 <a name="l00594"></a>00594 |
|
605 <a name="l00595"></a>00595 usLSB = usGetNextByte(pFile, pReadinfo, pAnchor, |
|
606 <a name="l00596"></a>00596 pulFileOffset, pulCharPos, pusPropMod); |
|
607 <a name="l00597"></a>00597 <span class="keywordflow">if</span> (usLSB == (USHORT)EOF) { |
|
608 <a name="l00598"></a>00598 <span class="keywordflow">return</span> (USHORT)EOF; |
|
609 <a name="l00599"></a>00599 } |
|
610 <a name="l00600"></a>00600 fail(pReadinfo->pBlockCurrent == NULL); |
|
611 <a name="l00601"></a>00601 |
|
612 <a name="l00602"></a>00602 <span class="keywordflow">if</span> (pReadinfo->pBlockCurrent->tInfo.bUsesUnicode) { |
|
613 <a name="l00603"></a>00603 usMSB = usGetNextByte(pFile, |
|
614 <a name="l00604"></a>00604 pReadinfo, pAnchor, NULL, NULL, NULL); |
|
615 <a name="l00605"></a>00605 } <span class="keywordflow">else</span> { |
|
616 <a name="l00606"></a>00606 usMSB = 0x00; |
|
617 <a name="l00607"></a>00607 } |
|
618 <a name="l00608"></a>00608 <span class="keywordflow">if</span> (usMSB == (USHORT)EOF) { |
|
619 <a name="l00609"></a>00609 DBG_MSG(<span class="stringliteral">"usGetNextChar: Unexpected EOF"</span>); |
|
620 <a name="l00610"></a>00610 DBG_HEX_C(pulFileOffset != NULL, *pulFileOffset); |
|
621 <a name="l00611"></a>00611 DBG_HEX_C(pulCharPos != NULL, *pulCharPos); |
|
622 <a name="l00612"></a>00612 <span class="keywordflow">return</span> (USHORT)EOF; |
|
623 <a name="l00613"></a>00613 } |
|
624 <a name="l00614"></a>00614 <span class="keywordflow">return</span> (usMSB << 8) | usLSB; |
|
625 <a name="l00615"></a>00615 } <span class="comment">/* end of usGetNextChar */</span> |
|
626 <a name="l00616"></a>00616 |
|
627 <a name="l00617"></a>00617 <span class="comment">/*</span> |
|
628 <a name="l00618"></a>00618 <span class="comment"> * usNextChar - get the next character from the given block list</span> |
|
629 <a name="l00619"></a>00619 <span class="comment"> */</span> |
|
630 <a name="l00620"></a>00620 USHORT |
|
631 <a name="l00621"></a>00621 usNextChar(FILE *pFile, list_id_enum eListID, |
|
632 <a name="l00622"></a>00622 ULONG *pulFileOffset, ULONG *pulCharPos, USHORT *pusPropMod) |
|
633 <a name="l00623"></a>00623 { |
|
634 <a name="l00624"></a>00624 USHORT usRetVal; |
|
635 <a name="l00625"></a>00625 |
|
636 <a name="l00626"></a>00626 fail(pFile == NULL); |
|
637 <a name="l00627"></a>00627 |
|
638 <a name="l00628"></a>00628 usRetVal = usGetNextChar(pFile, eListID, |
|
639 <a name="l00629"></a>00629 pulFileOffset, pulCharPos, pusPropMod); |
|
640 <a name="l00630"></a>00630 <span class="keywordflow">if</span> (usRetVal == (USHORT)EOF) { |
|
641 <a name="l00631"></a>00631 <span class="keywordflow">if</span> (pulFileOffset != NULL) { |
|
642 <a name="l00632"></a>00632 *pulFileOffset = FC_INVALID; |
|
643 <a name="l00633"></a>00633 } |
|
644 <a name="l00634"></a>00634 <span class="keywordflow">if</span> (pulCharPos != NULL) { |
|
645 <a name="l00635"></a>00635 *pulCharPos = CP_INVALID; |
|
646 <a name="l00636"></a>00636 } |
|
647 <a name="l00637"></a>00637 <span class="keywordflow">if</span> (pusPropMod != NULL) { |
|
648 <a name="l00638"></a>00638 *pusPropMod = IGNORE_PROPMOD; |
|
649 <a name="l00639"></a>00639 } |
|
650 <a name="l00640"></a>00640 } |
|
651 <a name="l00641"></a>00641 <span class="keywordflow">return</span> usRetVal; |
|
652 <a name="l00642"></a>00642 } <span class="comment">/* end of usNextChar */</span> |
|
653 <a name="l00643"></a>00643 |
|
654 <a name="l00644"></a>00644 <span class="comment">/*</span> |
|
655 <a name="l00645"></a>00645 <span class="comment"> * usToHdrFtrPosition - Go to a character position in header/foorter list</span> |
|
656 <a name="l00646"></a>00646 <span class="comment"> *</span> |
|
657 <a name="l00647"></a>00647 <span class="comment"> * Returns the character found on the specified character position</span> |
|
658 <a name="l00648"></a>00648 <span class="comment"> */</span> |
|
659 <a name="l00649"></a>00649 USHORT |
|
660 <a name="l00650"></a>00650 usToHdrFtrPosition(FILE *pFile, ULONG ulCharPos) |
|
661 <a name="l00651"></a>00651 { |
|
662 <a name="l00652"></a>00652 ULONG ulCharPosCurr; |
|
663 <a name="l00653"></a>00653 USHORT usChar; |
|
664 <a name="l00654"></a>00654 |
|
665 <a name="l00655"></a>00655 tHdrFtr.pBlockCurrent = NULL; <span class="comment">/* To reset the header/footer list */</span> |
|
666 <a name="l00656"></a>00656 <span class="keywordflow">do</span> { |
|
667 <a name="l00657"></a>00657 usChar = usNextChar(pFile, |
|
668 <a name="l00658"></a>00658 hdrftr_list, NULL, &ulCharPosCurr, NULL); |
|
669 <a name="l00659"></a>00659 } <span class="keywordflow">while</span> (usChar != (USHORT)EOF && ulCharPosCurr != ulCharPos); |
|
670 <a name="l00660"></a>00660 <span class="keywordflow">return</span> usChar; |
|
671 <a name="l00661"></a>00661 } <span class="comment">/* end of usToHdrFtrPosition */</span> |
|
672 <a name="l00662"></a>00662 |
|
673 <a name="l00663"></a>00663 <span class="comment">/*</span> |
|
674 <a name="l00664"></a>00664 <span class="comment"> * usToFootnotePosition - Go to a character position in footnote list</span> |
|
675 <a name="l00665"></a>00665 <span class="comment"> *</span> |
|
676 <a name="l00666"></a>00666 <span class="comment"> * Returns the character found on the specified character position</span> |
|
677 <a name="l00667"></a>00667 <span class="comment"> */</span> |
|
678 <a name="l00668"></a>00668 USHORT |
|
679 <a name="l00669"></a>00669 usToFootnotePosition(FILE *pFile, ULONG ulCharPos) |
|
680 <a name="l00670"></a>00670 { |
|
681 <a name="l00671"></a>00671 ULONG ulCharPosCurr; |
|
682 <a name="l00672"></a>00672 USHORT usChar; |
|
683 <a name="l00673"></a>00673 |
|
684 <a name="l00674"></a>00674 tFootnote.pBlockCurrent = NULL; <span class="comment">/* To reset the footnote list */</span> |
|
685 <a name="l00675"></a>00675 <span class="keywordflow">do</span> { |
|
686 <a name="l00676"></a>00676 usChar = usNextChar(pFile, |
|
687 <a name="l00677"></a>00677 footnote_list, NULL, &ulCharPosCurr, NULL); |
|
688 <a name="l00678"></a>00678 } <span class="keywordflow">while</span> (usChar != (USHORT)EOF && ulCharPosCurr != ulCharPos); |
|
689 <a name="l00679"></a>00679 <span class="keywordflow">return</span> usChar; |
|
690 <a name="l00680"></a>00680 } <span class="comment">/* end of usToFootnotePosition */</span> |
|
691 <a name="l00681"></a>00681 |
|
692 <a name="l00682"></a>00682 <span class="comment">/*</span> |
|
693 <a name="l00683"></a>00683 <span class="comment"> * Convert a character position to an offset in the file.</span> |
|
694 <a name="l00684"></a>00684 <span class="comment"> * Logical to physical offset.</span> |
|
695 <a name="l00685"></a>00685 <span class="comment"> *</span> |
|
696 <a name="l00686"></a>00686 <span class="comment"> * Returns: FC_INVALID: in case of error</span> |
|
697 <a name="l00687"></a>00687 <span class="comment"> * otherwise: the computed file offset</span> |
|
698 <a name="l00688"></a>00688 <span class="comment"> */</span> |
|
699 <a name="l00689"></a>00689 ULONG |
|
700 <a name="l00690"></a>00690 ulCharPos2FileOffsetX(ULONG ulCharPos, list_id_enum *peListID) |
|
701 <a name="l00691"></a>00691 { |
|
702 <a name="l00692"></a>00692 <span class="keyword">static</span> list_id_enum eListIDs[8] = { |
|
703 <a name="l00693"></a>00693 text_list, footnote_list, hdrftr_list, |
|
704 <a name="l00694"></a>00694 macro_list, annotation_list, endnote_list, |
|
705 <a name="l00695"></a>00695 textbox_list, hdrtextbox_list, |
|
706 <a name="l00696"></a>00696 }; |
|
707 <a name="l00697"></a>00697 list_mem_type *apAnchors[8]; |
|
708 <a name="l00698"></a>00698 list_mem_type *pCurr; |
|
709 <a name="l00699"></a>00699 list_id_enum eListGuess; |
|
710 <a name="l00700"></a>00700 ULONG ulBestGuess; |
|
711 <a name="l00701"></a>00701 <span class="keywordtype">size_t</span> tIndex; |
|
712 <a name="l00702"></a>00702 |
|
713 <a name="l00703"></a>00703 fail(peListID == NULL); |
|
714 <a name="l00704"></a>00704 |
|
715 <a name="l00705"></a>00705 <span class="keywordflow">if</span> (ulCharPos == CP_INVALID) { |
|
716 <a name="l00706"></a>00706 *peListID = no_list; |
|
717 <a name="l00707"></a>00707 <span class="keywordflow">return</span> FC_INVALID; |
|
718 <a name="l00708"></a>00708 } |
|
719 <a name="l00709"></a>00709 |
|
720 <a name="l00710"></a>00710 apAnchors[0] = pTextAnchor; |
|
721 <a name="l00711"></a>00711 apAnchors[1] = pFootnoteAnchor; |
|
722 <a name="l00712"></a>00712 apAnchors[2] = pHdrFtrAnchor; |
|
723 <a name="l00713"></a>00713 apAnchors[3] = pMacroAnchor; |
|
724 <a name="l00714"></a>00714 apAnchors[4] = pAnnotationAnchor; |
|
725 <a name="l00715"></a>00715 apAnchors[5] = pEndnoteAnchor; |
|
726 <a name="l00716"></a>00716 apAnchors[6] = pTextBoxAnchor; |
|
727 <a name="l00717"></a>00717 apAnchors[7] = pHdrTextBoxAnchor; |
|
728 <a name="l00718"></a>00718 |
|
729 <a name="l00719"></a>00719 eListGuess = no_list; <span class="comment">/* Best guess is no list */</span> |
|
730 <a name="l00720"></a>00720 ulBestGuess = FC_INVALID; <span class="comment">/* Best guess is "file offset not found" */</span> |
|
731 <a name="l00721"></a>00721 |
|
732 <a name="l00722"></a>00722 <span class="keywordflow">for</span> (tIndex = 0; tIndex < elementsof(apAnchors); tIndex++) { |
|
733 <a name="l00723"></a>00723 <span class="keywordflow">for</span> (pCurr = apAnchors[tIndex]; |
|
734 <a name="l00724"></a>00724 pCurr != NULL; |
|
735 <a name="l00725"></a>00725 pCurr = pCurr->pNext) { |
|
736 <a name="l00726"></a>00726 <span class="keywordflow">if</span> (ulCharPos == pCurr->tInfo.ulCharPos + |
|
737 <a name="l00727"></a>00727 pCurr->tInfo.ulLength && |
|
738 <a name="l00728"></a>00728 pCurr->pNext != NULL) { |
|
739 <a name="l00729"></a>00729 <span class="comment">/*</span> |
|
740 <a name="l00730"></a>00730 <span class="comment"> * The character position is one beyond this</span> |
|
741 <a name="l00731"></a>00731 <span class="comment"> * block, so we guess it's the first byte of</span> |
|
742 <a name="l00732"></a>00732 <span class="comment"> * the next block (if there is a next block)</span> |
|
743 <a name="l00733"></a>00733 <span class="comment"> */</span> |
|
744 <a name="l00734"></a>00734 eListGuess= eListIDs[tIndex]; |
|
745 <a name="l00735"></a>00735 ulBestGuess = pCurr->pNext->tInfo.ulFileOffset; |
|
746 <a name="l00736"></a>00736 } |
|
747 <a name="l00737"></a>00737 |
|
748 <a name="l00738"></a>00738 <span class="keywordflow">if</span> (ulCharPos < pCurr->tInfo.ulCharPos || |
|
749 <a name="l00739"></a>00739 ulCharPos >= pCurr->tInfo.ulCharPos + |
|
750 <a name="l00740"></a>00740 pCurr->tInfo.ulLength) { |
|
751 <a name="l00741"></a>00741 <span class="comment">/* Character position is not in this block */</span> |
|
752 <a name="l00742"></a>00742 <span class="keywordflow">continue</span>; |
|
753 <a name="l00743"></a>00743 } |
|
754 <a name="l00744"></a>00744 |
|
755 <a name="l00745"></a>00745 <span class="comment">/* The character position is in the current block */</span> |
|
756 <a name="l00746"></a>00746 *peListID = eListIDs[tIndex]; |
|
757 <a name="l00747"></a>00747 <span class="keywordflow">return</span> pCurr->tInfo.ulFileOffset + |
|
758 <a name="l00748"></a>00748 ulCharPos - pCurr->tInfo.ulCharPos; |
|
759 <a name="l00749"></a>00749 } |
|
760 <a name="l00750"></a>00750 } |
|
761 <a name="l00751"></a>00751 <span class="comment">/* Passed beyond the end of the last list */</span> |
|
762 <a name="l00752"></a>00752 NO_DBG_HEX(ulCharPos); |
|
763 <a name="l00753"></a>00753 NO_DBG_HEX(ulBestGuess); |
|
764 <a name="l00754"></a>00754 *peListID = eListGuess; |
|
765 <a name="l00755"></a>00755 <span class="keywordflow">return</span> ulBestGuess; |
|
766 <a name="l00756"></a>00756 } <span class="comment">/* end of ulCharPos2FileOffsetX */</span> |
|
767 <a name="l00757"></a>00757 |
|
768 <a name="l00758"></a>00758 <span class="comment">/*</span> |
|
769 <a name="l00759"></a>00759 <span class="comment"> * Convert a character position to an offset in the file.</span> |
|
770 <a name="l00760"></a>00760 <span class="comment"> * Logical to physical offset.</span> |
|
771 <a name="l00761"></a>00761 <span class="comment"> *</span> |
|
772 <a name="l00762"></a>00762 <span class="comment"> * Returns: FC_INVALID: in case of error</span> |
|
773 <a name="l00763"></a>00763 <span class="comment"> * otherwise: the computed file offset</span> |
|
774 <a name="l00764"></a>00764 <span class="comment"> */</span> |
|
775 <a name="l00765"></a>00765 ULONG |
|
776 <a name="l00766"></a>00766 ulCharPos2FileOffset(ULONG ulCharPos) |
|
777 <a name="l00767"></a>00767 { |
|
778 <a name="l00768"></a>00768 list_id_enum eListID; |
|
779 <a name="l00769"></a>00769 |
|
780 <a name="l00770"></a>00770 <span class="keywordflow">return</span> ulCharPos2FileOffsetX(ulCharPos, &eListID); |
|
781 <a name="l00771"></a>00771 } <span class="comment">/* end of ulCharPos2FileOffset */</span> |
|
782 <a name="l00772"></a>00772 |
|
783 <a name="l00773"></a>00773 <span class="comment">/*</span> |
|
784 <a name="l00774"></a>00774 <span class="comment"> * Convert an offset in the header/footer list to a character position.</span> |
|
785 <a name="l00775"></a>00775 <span class="comment"> *</span> |
|
786 <a name="l00776"></a>00776 <span class="comment"> * Returns: CP_INVALID: in case of error</span> |
|
787 <a name="l00777"></a>00777 <span class="comment"> * otherwise: the computed character position</span> |
|
788 <a name="l00778"></a>00778 <span class="comment"> */</span> |
|
789 <a name="l00779"></a>00779 ULONG |
|
790 <a name="l00780"></a>00780 ulHdrFtrOffset2CharPos(ULONG ulHdrFtrOffset) |
|
791 <a name="l00781"></a>00781 { |
|
792 <a name="l00782"></a>00782 list_mem_type *pCurr; |
|
793 <a name="l00783"></a>00783 ULONG ulOffset; |
|
794 <a name="l00784"></a>00784 |
|
795 <a name="l00785"></a>00785 ulOffset = ulHdrFtrOffset; |
|
796 <a name="l00786"></a>00786 <span class="keywordflow">for</span> (pCurr = pHdrFtrAnchor; pCurr != NULL; pCurr = pCurr->pNext) { |
|
797 <a name="l00787"></a>00787 <span class="keywordflow">if</span> (ulOffset >= pCurr->tInfo.ulLength) { |
|
798 <a name="l00788"></a>00788 <span class="comment">/* The offset is not in this block */</span> |
|
799 <a name="l00789"></a>00789 ulOffset -= pCurr->tInfo.ulLength; |
|
800 <a name="l00790"></a>00790 <span class="keywordflow">continue</span>; |
|
801 <a name="l00791"></a>00791 } |
|
802 <a name="l00792"></a>00792 <span class="keywordflow">return</span> pCurr->tInfo.ulCharPos + ulOffset; |
|
803 <a name="l00793"></a>00793 } |
|
804 <a name="l00794"></a>00794 <span class="keywordflow">return</span> CP_INVALID; |
|
805 <a name="l00795"></a>00795 } <span class="comment">/* end of ulHdrFtrOffset2CharPos */</span> |
|
806 <a name="l00796"></a>00796 |
|
807 <a name="l00797"></a>00797 <span class="comment">/*</span> |
|
808 <a name="l00798"></a>00798 <span class="comment"> * Get the sequence number beloning to the given file offset</span> |
|
809 <a name="l00799"></a>00799 <span class="comment"> *</span> |
|
810 <a name="l00800"></a>00800 <span class="comment"> * Returns the sequence number</span> |
|
811 <a name="l00801"></a>00801 <span class="comment"> */</span> |
|
812 <a name="l00802"></a>00802 ULONG |
|
813 <a name="l00803"></a>00803 ulGetSeqNumber(ULONG ulFileOffset) |
|
814 <a name="l00804"></a>00804 { |
|
815 <a name="l00805"></a>00805 list_mem_type *pCurr; |
|
816 <a name="l00806"></a>00806 ULONG ulSeq; |
|
817 <a name="l00807"></a>00807 |
|
818 <a name="l00808"></a>00808 <span class="keywordflow">if</span> (ulFileOffset == FC_INVALID) { |
|
819 <a name="l00809"></a>00809 <span class="keywordflow">return</span> FC_INVALID; |
|
820 <a name="l00810"></a>00810 } |
|
821 <a name="l00811"></a>00811 |
|
822 <a name="l00812"></a>00812 ulSeq = 0; |
|
823 <a name="l00813"></a>00813 <span class="keywordflow">for</span> (pCurr = pTextAnchor; pCurr != NULL; pCurr = pCurr->pNext) { |
|
824 <a name="l00814"></a>00814 <span class="keywordflow">if</span> (ulFileOffset >= pCurr->tInfo.ulFileOffset && |
|
825 <a name="l00815"></a>00815 ulFileOffset < pCurr->tInfo.ulFileOffset + |
|
826 <a name="l00816"></a>00816 pCurr->tInfo.ulLength) { |
|
827 <a name="l00817"></a>00817 <span class="comment">/* The file offset is within the current textblock */</span> |
|
828 <a name="l00818"></a>00818 <span class="keywordflow">return</span> ulSeq + ulFileOffset - pCurr->tInfo.ulFileOffset; |
|
829 <a name="l00819"></a>00819 } |
|
830 <a name="l00820"></a>00820 ulSeq += pCurr->tInfo.ulLength; |
|
831 <a name="l00821"></a>00821 } |
|
832 <a name="l00822"></a>00822 <span class="keywordflow">return</span> FC_INVALID; |
|
833 <a name="l00823"></a>00823 } <span class="comment">/* end of ulGetSeqNumber */</span> |
|
834 </pre></div></div> |
|
835 <hr size="1"/><address style="text-align: right;"><small>Generated by |
|
836 <a href="http://www.doxygen.org/index.html"> |
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837 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address> |
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838 </body> |
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839 </html> |
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