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<a href="xbmemo_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/* xbmemo.h</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"></span> </div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">XBase64 Software Library</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"></span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">Copyright (c) 1997,2003,2014,2022 Gary A Kunkel</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"></span> </div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">The xb64 software library is covered under the terms of the GPL Version 3, 2007 license.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"></span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">Email Contact:</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"></span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> XDB-devel@lists.sourceforge.net</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> XDB-users@lists.sourceforge.net</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"></span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment">*/</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#ifndef __XB_XBMEMO_H__</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#define __XB_XBMEMO_H__</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="comment">// dont use "#pragma interface" with abstract classes</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="comment">// #ifdef CMAKE_COMPILER_IS_GNUCC</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="comment">// #pragma interface</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="comment">// #endif</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#ifdef XB_MEMO_SUPPORT</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacexb.html">xb</a>{</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="keyword">class </span>XBDLLEXPORT xbMemo : <span class="keyword">public</span> xbFile {</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> xbMemo( <a class="code hl_variable" href="namespacexb.html#ab2eae4b4732466698a7fdd89d77ba53b">xbDbf</a> *dbf, xbString <span class="keyword">const</span> &sFileName );</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="comment">/* virtual methods */</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">virtual</span> ~xbMemo();</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">virtual</span> xbInt16 Abort () = 0;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">virtual</span> xbInt16 CloseMemoFile ();</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">virtual</span> xbInt16 Commit () = 0;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">virtual</span> xbInt16 CreateMemoFile () = 0;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">virtual</span> xbInt16 DumpMemoHeader () = 0;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">virtual</span> xbInt16 GetMemoField ( xbInt16 iFieldNo, xbString &sMemoData ) = 0;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">virtual</span> xbInt16 GetMemoFieldLen ( xbInt16 iFieldNo, xbUInt32 &ulMemoFieldLen ) = 0;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">virtual</span> xbInt16 OpenMemoFile () = 0;</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">virtual</span> xbInt16 GetMemoFileType ();</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">virtual</span> xbInt16 PackMemo ( <span class="keywordtype">void</span> (*memoStatusFunc)(xbUInt32 ulItemNum, xbUInt32 ulNumItems)) = 0;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">virtual</span> xbInt16 UpdateMemoField ( xbInt16 iFieldNo, <span class="keyword">const</span> xbString &sMemoData ) = 0;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="preprocessor"> #ifdef XB_DEBUG_SUPPORT</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">virtual</span> xbInt16 DumpMemoFreeChain() = 0;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="preprocessor"> #endif</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span><span class="preprocessor"> #ifdef XB_LOCKING_SUPPORT</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">virtual</span> xbInt16 LockMemo ( xbInt16 iLockFunction );</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">virtual</span> <a class="code hl_typedef" href="namespacexb.html#ab1a750481dd487f0d384aa1d200dff0f">xbBool</a> GetMemoLocked () <span class="keyword">const</span>;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span><span class="preprocessor"> #endif</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// *********** FIXME *************</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="comment">// next two methods should be protected but are called in the xb_test_xxxx programs testing routines</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="comment">// so for now, they are kept as public</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">virtual</span> xbInt16 CalcLastDataBlock ( xbUInt32 &lLastDataBlock );</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">virtual</span> xbInt16 GetHdrNextBlock ( xbUInt32 &ulBlockNo );</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">protected</span>:</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">friend</span> <span class="keyword">class </span><a class="code hl_variable" href="namespacexb.html#ab2eae4b4732466698a7fdd89d77ba53b">xbDbf</a>;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keyword">virtual</span> xbInt16 ReadDbtHeader ( xbInt16 iOption ) = 0;</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">virtual</span> xbInt16 UpdateHeaderName () = 0;</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">virtual</span> xbInt16 UpdateHeadNextNode();</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">virtual</span> xbInt16 Zap () = 0;</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> </div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <a class="code hl_variable" href="namespacexb.html#ab2eae4b4732466698a7fdd89d77ba53b">xbDbf</a> *dbf; <span class="comment">/* pointer to related dbf instance */</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordtype">char</span> cVersion; <span class="comment">/* byte 16 off the header block, 0x03 for V3, version IV - ? */</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> xbInt16 iMemoFileType; <span class="comment">/* 3 = version III, 4 = version IV */</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> xbUInt32 ulHdrNextBlock; <span class="comment">/* next available block , bytes 0-3 of the memo header */</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordtype">void</span> * mbb; <span class="comment">/* memo block buffer */</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span><span class="preprocessor"> #ifdef XB_LOCKING_SUPPORT</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <a class="code hl_typedef" href="namespacexb.html#ab1a750481dd487f0d384aa1d200dff0f">xbBool</a> bFileLocked; <span class="comment">/* memo file locked */</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span><span class="preprocessor"> #endif</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span>};</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span><span class="preprocessor">#ifdef XB_DBF3_SUPPORT</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span><span class="keyword">class </span>XBDLLEXPORT xbMemoDbt3 : <span class="keyword">public</span> xbMemo {</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> xbMemoDbt3( <a class="code hl_variable" href="namespacexb.html#ab2eae4b4732466698a7fdd89d77ba53b">xbDbf</a> *dbf, xbString <span class="keyword">const</span> &sFileName );</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> ~xbMemoDbt3();</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">virtual</span> xbInt16 Abort ();</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keyword">virtual</span> xbInt16 Commit ();</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">virtual</span> xbInt16 CreateMemoFile ();</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keyword">virtual</span> xbInt16 DumpMemoHeader ();</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keyword">virtual</span> xbInt16 GetMemoField ( xbInt16 iFieldNo, xbString &sMemoData );</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keyword">virtual</span> xbInt16 GetMemoFieldLen( xbInt16 iFieldNo, xbUInt32 &ulMemoFieldLen );</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keyword">virtual</span> xbInt16 OpenMemoFile ();</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keyword">virtual</span> xbInt16 PackMemo ( <span class="keywordtype">void</span> (*memoStatusFunc) (xbUInt32 ulItemNum, xbUInt32 ulNumItems));</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">virtual</span> xbInt16 UpdateMemoField( xbInt16 iFieldNo, <span class="keyword">const</span> xbString &sMemoData );</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span><span class="preprocessor"> #ifdef XB_DEBUG_SUPPORT</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">virtual</span> xbInt16 DumpMemoFreeChain();</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span><span class="preprocessor"> #endif</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> </div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="keyword">protected</span>:</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">virtual</span> xbInt16 ReadDbtHeader( xbInt16 iOption );</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keyword">virtual</span> xbInt16 UpdateHeaderName();</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">virtual</span> xbInt16 Zap();</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> </div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span>};</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span><span class="preprocessor">#ifdef XB_DBF4_SUPPORT</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span><span class="keyword">class </span>XBDLLEXPORT xbMemoDbt4 : <span class="keyword">public</span> xbMemo {</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> xbMemoDbt4( <a class="code hl_variable" href="namespacexb.html#ab2eae4b4732466698a7fdd89d77ba53b">xbDbf</a> *dbf, xbString <span class="keyword">const</span> &sFileName );</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> ~xbMemoDbt4();</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keyword">virtual</span> xbInt16 Abort ();</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">virtual</span> xbInt16 Commit ();</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keyword">virtual</span> xbInt16 CreateMemoFile ();</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keyword">virtual</span> xbInt16 DumpMemoHeader ();</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">virtual</span> xbInt16 GetMemoField ( xbInt16 iFieldNo, xbString &sMemoData );</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keyword">virtual</span> xbInt16 GetMemoFieldLen ( xbInt16 iFieldNo, xbUInt32 &ulMemoFieldLen );</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">virtual</span> xbInt16 GetMemoFieldLen ( xbInt16 iFieldNo, xbUInt32 &ulMemoFieldLen, xbUInt32 &lBlockNo );</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">virtual</span> xbInt16 OpenMemoFile ();</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keyword">virtual</span> xbInt16 PackMemo ( <span class="keywordtype">void</span> (*memoStatusFunc) (xbUInt32 ulItemNum, xbUInt32 ulNumItems));</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keyword">virtual</span> xbInt16 UpdateMemoField ( xbInt16 iFieldNo, <span class="keyword">const</span> xbString &sMemoData );</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span><span class="preprocessor"> #ifdef XB_DEBUG_SUPPORT</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">virtual</span> xbInt16 DumpMemoFreeChain ();</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keyword">virtual</span> xbInt16 DumpMemoInternals ();</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keyword">virtual</span> xbInt16 ReadFreeBlockHeader( xbUInt32 ulBlockNo, xbUInt32 &ulNextBlock, xbUInt32 &ulFreeBlockCnt );</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span><span class="preprocessor"> #endif</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> </div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keyword">protected</span>:</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">virtual</span> xbInt16 FindBlockSetInChain( xbUInt32 ulBlocksNeeded, xbUInt32 &ulLastDataBlock, xbUInt32 &ulLocation, xbUInt32 &ulPrevNode, <a class="code hl_typedef" href="namespacexb.html#ab1a750481dd487f0d384aa1d200dff0f">xbBool</a> &bFound );</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keyword">virtual</span> xbInt16 FreeMemoBlockChain( xbUInt32 ulBlockNo );</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keyword">virtual</span> xbInt16 FreeMemoBlockChain( xbUInt32 ulBlockNo, xbUInt32 &ulLastDataBlock );</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="keyword">virtual</span> xbInt16 GetBlockSetFromChain( xbUInt32 ulBlocksNeeded, xbUInt32 ulLocation, xbUInt32 ulPrevNode );</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">virtual</span> xbInt16 ReadDbtHeader( xbInt16 iOption );</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keyword">virtual</span> xbInt16 ReadBlockHeader( xbUInt32 ulBlockNo, xbInt16 iOption );</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keyword">virtual</span> xbInt16 UpdateHeaderName ();</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="keyword">virtual</span> xbInt16 WriteBlockHeader( xbUInt32 ulBlockNo, xbInt16 iOption );</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keyword">virtual</span> xbInt16 Zap();</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> </div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> xbString sDbfFileNameWoExt;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> xbUInt32 ulNextFreeBlock;</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> xbUInt32 ulFreeBlockCnt;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> xbInt16 iField1;</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> xbInt16 iStartPos;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> xbUInt32 ulFieldLen;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> xbLinkList<xbUInt32> llOldBlocks; <span class="comment">// list of previously used memo blocks for field, used by Commit() / Abort()</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> xbLinkList<xbUInt32> llNewBlocks; <span class="comment">// list of newly updated memo blocks for field, used by Commit() / Abort()</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> </div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span>};</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> </div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span>} <span class="comment">/* namespace xb */</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span><span class="preprocessor">#endif </span><span class="comment">/* XB_MEMO_SUPPORT */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span><span class="preprocessor">#endif </span><span class="comment">/* __XB_MEMO_H__ */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="ttc" id="anamespacexb_html"><div class="ttname"><a href="namespacexb.html">xb</a></div><div class="ttdef"><b>Definition:</b> xbdate.cpp:19</div></div>
<div class="ttc" id="anamespacexb_html_ab1a750481dd487f0d384aa1d200dff0f"><div class="ttname"><a href="namespacexb.html#ab1a750481dd487f0d384aa1d200dff0f">xb::xbBool</a></div><div class="ttdeci">short int xbBool</div><div class="ttdef"><b>Definition:</b> xbtypes.h:24</div></div>
<div class="ttc" id="anamespacexb_html_ab2eae4b4732466698a7fdd89d77ba53b"><div class="ttname"><a href="namespacexb.html#ab2eae4b4732466698a7fdd89d77ba53b">xb::xbDbf</a></div><div class="ttdeci">class XBDLLEXPORT xbDbf</div><div class="ttdef"><b>Definition:</b> xbtblmgr.h:28</div></div>
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