From 4875a3dd9b183dcd2256e2abfc4ccf7484c233b4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Wed, 7 Dec 2022 13:17:14 +0100 Subject: New upstream version 4.0.2 --- docs/doxygen/html/xbmemo_8h_source.html | 262 ++++++++++++++++++++++++++++++++ 1 file changed, 262 insertions(+) create mode 100644 docs/doxygen/html/xbmemo_8h_source.html (limited to 'docs/doxygen/html/xbmemo_8h_source.html') diff --git a/docs/doxygen/html/xbmemo_8h_source.html b/docs/doxygen/html/xbmemo_8h_source.html new file mode 100644 index 0000000..ad2b055 --- /dev/null +++ b/docs/doxygen/html/xbmemo_8h_source.html @@ -0,0 +1,262 @@ + + + + + + + +Xbase64: /mnt/1Tdata/xbase/xbase64-4.0.2/src/include/xbmemo.h Source File + + + + + + + + + +
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+
Xbase64 4.0.1 +
+
C++ Library for handling Xbase (DBF) format type files
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+
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+ + +
+ +
+ + +
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+
xbmemo.h
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+
+Go to the documentation of this file.
1/* xbmemo.h
+
2
+
3XBase64 Software Library
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4
+
5Copyright (c) 1997,2003,2014,2022 Gary A Kunkel
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6
+
7The xb64 software library is covered under the terms of the GPL Version 3, 2007 license.
+
8
+
9Email Contact:
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10
+
11 XDB-devel@lists.sourceforge.net
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12 XDB-users@lists.sourceforge.net
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13
+
14*/
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15
+
16
+
17#ifndef __XB_XBMEMO_H__
+
18#define __XB_XBMEMO_H__
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19
+
20
+
21// dont use "#pragma interface" with abstract classes
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22// #ifdef CMAKE_COMPILER_IS_GNUCC
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23// #pragma interface
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24// #endif
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25
+
26#ifdef XB_MEMO_SUPPORT
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27
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28
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29
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30
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31namespace xb{
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32
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34
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55class XBDLLEXPORT xbMemo : public xbFile {
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56 public:
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57
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58 xbMemo( xbDbf *dbf, xbString const &sFileName );
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59
+
60 /* virtual methods */
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61 virtual ~xbMemo();
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62 virtual xbInt16 Abort () = 0;
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63 virtual xbInt16 CloseMemoFile ();
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64 virtual xbInt16 Commit () = 0;
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65
+
66 #ifdef XB_LOCKING_SUPPORT
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67 virtual xbInt16 LockMemo ( xbInt16 iLockFunction );
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68 virtual xbBool GetMemoLocked () const;
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69 #endif
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70
+
71 /* pure virtual methods */
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72 virtual xbInt16 CreateMemoFile () = 0;
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73
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74 virtual xbInt16 GetMemoField ( xbInt16 iFieldNo, xbString &sMemoData ) = 0;
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75 virtual xbInt16 GetMemoFieldLen( xbInt16 iFieldNo, xbUInt32 &ulMemoFieldLen ) = 0;
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76 virtual xbInt16 OpenMemoFile () = 0;
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77 virtual xbInt16 GetMemoFileType();
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78 virtual xbInt16 PackMemo ( void (*memoStatusFunc)(xbUInt32 ulItemNum, xbUInt32 ulNumItems)) = 0;
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79 virtual xbInt16 UpdateMemoField( xbInt16 iFieldNo, const xbString &sMemoData ) = 0;
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80
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81 #ifdef XB_DEBUG_SUPPORT
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82 virtual xbInt16 DumpMemoFreeChain() = 0;
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83 virtual xbInt16 DumpMemoHeader () = 0;
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84 #endif
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85
+
86 // *********** FIXME *************
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87 // next two methods should be protected but are called in the xb_test_xxxx programs testing routines
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88 // so for now, they are kept as public
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89 virtual xbInt16 CalcLastDataBlock ( xbUInt32 &lLastDataBlock );
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90 virtual xbInt16 GetHdrNextBlock ( xbUInt32 &ulBlockNo );
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91
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92 protected:
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93 friend class xbDbf;
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94
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95 virtual xbInt16 ReadDbtHeader ( xbInt16 iOption ) = 0;
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96 virtual xbInt16 UpdateHeaderName () = 0;
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97 virtual xbInt16 UpdateHeadNextNode();
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98 virtual xbInt16 Zap () = 0;
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99
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100 xbDbf *dbf; /* pointer to related dbf instance */
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101 char cVersion; /* byte 16 off the header block, 0x03 for V3, version IV - ? */
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102 xbInt16 iMemoFileType; /* 3 = version III, 4 = version IV */
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103 xbUInt32 ulHdrNextBlock; /* next available block , bytes 0-3 of the memo header */
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104 void * mbb; /* memo block buffer */
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105
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106
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107 private:
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108
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109 #ifdef XB_LOCKING_SUPPORT
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110 xbBool bFileLocked; /* memo file locked */
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111 #endif
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112
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113};
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114
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115
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116
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117#ifdef XB_DBF3_SUPPORT
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119
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131class XBDLLEXPORT xbMemoDbt3 : public xbMemo {
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132 public:
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133 xbMemoDbt3( xbDbf *dbf, xbString const &sFileName );
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134 ~xbMemoDbt3();
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135 virtual xbInt16 Abort ();
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136 virtual xbInt16 Commit ();
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137 virtual xbInt16 CreateMemoFile ();
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138 virtual xbInt16 GetMemoField ( xbInt16 iFieldNo, xbString &sMemoData );
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139 virtual xbInt16 GetMemoFieldLen( xbInt16 iFieldNo, xbUInt32 &ulMemoFieldLen );
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140 virtual xbInt16 OpenMemoFile ();
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141 virtual xbInt16 PackMemo ( void (*memoStatusFunc) (xbUInt32 ulItemNum, xbUInt32 ulNumItems));
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142 virtual xbInt16 UpdateMemoField( xbInt16 iFieldNo, const xbString &sMemoData );
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143
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144 #ifdef XB_DEBUG_SUPPORT
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145 virtual xbInt16 DumpMemoFreeChain();
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146 virtual xbInt16 DumpMemoHeader ();
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147 #endif
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148
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149 protected:
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150 virtual xbInt16 ReadDbtHeader( xbInt16 iOption );
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151 virtual xbInt16 UpdateHeaderName();
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152 virtual xbInt16 Zap();
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153
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154 private:
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155};
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156#endif
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157
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158
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159#ifdef XB_DBF4_SUPPORT
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160
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162
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172class XBDLLEXPORT xbMemoDbt4 : public xbMemo {
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173 public:
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174 xbMemoDbt4( xbDbf *dbf, xbString const &sFileName );
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175 ~xbMemoDbt4();
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176 virtual xbInt16 Abort ();
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177 virtual xbInt16 Commit ();
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178 virtual xbInt16 CreateMemoFile ();
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179
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180 virtual xbInt16 GetMemoField ( xbInt16 iFieldNo, xbString &sMemoData );
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181 virtual xbInt16 GetMemoFieldLen ( xbInt16 iFieldNo, xbUInt32 &ulMemoFieldLen );
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182 virtual xbInt16 GetMemoFieldLen ( xbInt16 iFieldNo, xbUInt32 &ulMemoFieldLen, xbUInt32 &lBlockNo );
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183 virtual xbInt16 OpenMemoFile ();
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184 virtual xbInt16 PackMemo ( void (*memoStatusFunc) (xbUInt32 ulItemNum, xbUInt32 ulNumItems));
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185 virtual xbInt16 UpdateMemoField ( xbInt16 iFieldNo, const xbString &sMemoData );
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186
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187 #ifdef XB_DEBUG_SUPPORT
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188 virtual xbInt16 DumpMemoFreeChain ();
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189 virtual xbInt16 DumpMemoHeader ();
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190 virtual xbInt16 DumpMemoInternals ();
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191 virtual xbInt16 ReadFreeBlockHeader( xbUInt32 ulBlockNo, xbUInt32 &ulNextBlock, xbUInt32 &ulFreeBlockCnt );
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192 #endif
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193
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194 protected:
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195 virtual xbInt16 FindBlockSetInChain( xbUInt32 ulBlocksNeeded, xbUInt32 &ulLastDataBlock, xbUInt32 &ulLocation, xbUInt32 &ulPrevNode, xbBool &bFound );
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196 virtual xbInt16 FreeMemoBlockChain( xbUInt32 ulBlockNo );
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197 virtual xbInt16 FreeMemoBlockChain( xbUInt32 ulBlockNo, xbUInt32 &ulLastDataBlock );
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198 virtual xbInt16 GetBlockSetFromChain( xbUInt32 ulBlocksNeeded, xbUInt32 ulLocation, xbUInt32 ulPrevNode );
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199 virtual xbInt16 ReadDbtHeader( xbInt16 iOption );
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200 virtual xbInt16 ReadBlockHeader( xbUInt32 ulBlockNo, xbInt16 iOption );
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201 virtual xbInt16 UpdateHeaderName ();
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202 virtual xbInt16 WriteBlockHeader( xbUInt32 ulBlockNo, xbInt16 iOption );
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203 virtual xbInt16 Zap();
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204
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205 private:
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206 xbString sDbfFileNameWoExt;
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207 xbUInt32 ulNextFreeBlock;
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208 xbUInt32 ulFreeBlockCnt;
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209 xbInt16 iField1;
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210 xbInt16 iStartPos;
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211 xbUInt32 ulFieldLen;
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212
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213 xbLinkList<xbUInt32> llOldBlocks; // list of previously used memo blocks for field, used by Commit() / Abort()
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214 xbLinkList<xbUInt32> llNewBlocks; // list of newly updated memo blocks for field, used by Commit() / Abort()
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215
+
216};
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217#endif
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218
+
219
+
220} /* namespace xb */
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221#endif /* XB_MEMO_SUPPORT */
+
222#endif /* __XB_MEMO_H__ */
+
223
+
xb
Definition: xbdate.cpp:19
+
xb::xbBool
short int xbBool
Definition: xbtypes.h:24
+
xb::xbDbf
class XBDLLEXPORT xbDbf
Definition: xbtblmgr.h:28
+
+ +
+Generated by doxygen 1.9.3 +
+ + -- cgit v1.2.3