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\hypertarget{xblnklst_8h_source}{}\doxysection{xblnklst.\+h}
\label{xblnklst_8h_source}\index{/mnt/1Tdata/xbase/xbase64-\/4.0.3/src/include/xblnklst.h@{/mnt/1Tdata/xbase/xbase64-\/4.0.3/src/include/xblnklst.h}}
\mbox{\hyperlink{xblnklst_8h}{Go to the documentation of this file.}}
\begin{DoxyCode}{0}
\DoxyCodeLine{1 \textcolor{comment}{/* xblnklst.h}}
\DoxyCodeLine{2 \textcolor{comment}{}}
\DoxyCodeLine{3 \textcolor{comment}{XBase64 Software Library}}
\DoxyCodeLine{4 \textcolor{comment}{}}
\DoxyCodeLine{5 \textcolor{comment}{Copyright (c) 1997,2003,2014,2022 Gary A Kunkel}}
\DoxyCodeLine{6 \textcolor{comment}{}}
\DoxyCodeLine{7 \textcolor{comment}{The xb64 software library is covered under the terms of the GPL Version 3, 2007 license.}}
\DoxyCodeLine{8 \textcolor{comment}{}}
\DoxyCodeLine{9 \textcolor{comment}{Email Contact:}}
\DoxyCodeLine{10 \textcolor{comment}{}}
\DoxyCodeLine{11 \textcolor{comment}{ XDB-\/devel@lists.sourceforge.net}}
\DoxyCodeLine{12 \textcolor{comment}{ XDB-\/users@lists.sourceforge.net}}
\DoxyCodeLine{13 \textcolor{comment}{}}
\DoxyCodeLine{14 \textcolor{comment}{*/}}
\DoxyCodeLine{15 }
\DoxyCodeLine{16 }
\DoxyCodeLine{17 \textcolor{preprocessor}{\#ifndef \_\_XB\_XBLNKLST\_H\_\_}}
\DoxyCodeLine{18 \textcolor{preprocessor}{\#define \_\_XB\_XBLNKLST\_H\_\_}}
\DoxyCodeLine{19 }
\DoxyCodeLine{20 \textcolor{preprocessor}{\#ifdef XB\_LINKLIST\_SUPPORT}}
\DoxyCodeLine{21 }
\DoxyCodeLine{22 \textcolor{keyword}{namespace }\mbox{\hyperlink{namespacexb}{xb}}\{}
\DoxyCodeLine{23 }
\DoxyCodeLine{24 }
\DoxyCodeLine{25 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{26 \textcolor{keyword}{class }XBDLLEXPORT xbLinkList \{}
\DoxyCodeLine{27 \textcolor{keyword}{public}:}
\DoxyCodeLine{28 xbLinkList();}
\DoxyCodeLine{29 \string~xbLinkList();}
\DoxyCodeLine{30 }
\DoxyCodeLine{31 xbLinkListNode<xbNodeType> *GetHeadNode() \textcolor{keyword}{const};}
\DoxyCodeLine{32 xbLinkListNode<xbNodeType> *GetEndNode() \textcolor{keyword}{const};}
\DoxyCodeLine{33 xbLinkListNode<xbNodeType> *GetNodeForNo( xbUInt32 ulNodeNo ) \textcolor{keyword}{const};}
\DoxyCodeLine{34 }
\DoxyCodeLine{35 \textcolor{keywordtype}{void} Clear();}
\DoxyCodeLine{36 xbUInt32 GetNodeCnt () \textcolor{keyword}{const};}
\DoxyCodeLine{37 xbInt16 InsertAtEnd ( \textcolor{keyword}{const} xbNodeType \&xbLLN );}
\DoxyCodeLine{38 xbInt16 InsertAtFront ( \textcolor{keyword}{const} xbNodeType \&xbLLN );}
\DoxyCodeLine{39 xbInt16 RemoveByVal ( \textcolor{keyword}{const} xbNodeType \&xbLLN );}
\DoxyCodeLine{40 xbInt16 RemoveFromEnd ();}
\DoxyCodeLine{41 xbInt16 RemoveFromEnd ( xbNodeType \&xbLLN );}
\DoxyCodeLine{42 xbInt16 RemoveFromFront( xbNodeType \&xbLLN );}
\DoxyCodeLine{43 xbInt16 SearchFor ( \textcolor{keyword}{const} xbNodeType \&xbLLN );}
\DoxyCodeLine{44 }
\DoxyCodeLine{45 \textcolor{keyword}{private}:}
\DoxyCodeLine{46 xbUInt32 ulNodeCnt;}
\DoxyCodeLine{47 xbLinkListNode<xbNodeType> *llStartPtr;}
\DoxyCodeLine{48 xbLinkListNode<xbNodeType> *llEndPtr;}
\DoxyCodeLine{49 \};}
\DoxyCodeLine{50 }
\DoxyCodeLine{51 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{52 xbLinkList<xbNodeType>::xbLinkList()\{}
\DoxyCodeLine{53 ulNodeCnt = 0;}
\DoxyCodeLine{54 llStartPtr = NULL;}
\DoxyCodeLine{55 llEndPtr = NULL;}
\DoxyCodeLine{56 \}}
\DoxyCodeLine{57 }
\DoxyCodeLine{58 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{59 xbLinkList<xbNodeType>::\string~xbLinkList()\{}
\DoxyCodeLine{60 Clear();}
\DoxyCodeLine{61 \}}
\DoxyCodeLine{62 }
\DoxyCodeLine{63 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{64 \textcolor{keywordtype}{void} xbLinkList<xbNodeType>::Clear()\{}
\DoxyCodeLine{65 xbLinkListNode<xbNodeType> *cPtr = llStartPtr, *tPtr;}
\DoxyCodeLine{66 \textcolor{keywordflow}{for}( xbUInt32 i = 0; i < ulNodeCnt; i++ )\{}
\DoxyCodeLine{67 tPtr = cPtr;}
\DoxyCodeLine{68 cPtr = cPtr-\/>GetNextNode();}
\DoxyCodeLine{69 \textcolor{keyword}{delete} tPtr;}
\DoxyCodeLine{70 \}}
\DoxyCodeLine{71 ulNodeCnt = 0;}
\DoxyCodeLine{72 llStartPtr = NULL;}
\DoxyCodeLine{73 llEndPtr = NULL;}
\DoxyCodeLine{74 \}}
\DoxyCodeLine{75 }
\DoxyCodeLine{76 }
\DoxyCodeLine{77 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{78 xbLinkListNode<xbNodeType> *xbLinkList<xbNodeType>::GetHeadNode()\textcolor{keyword}{ const}\{}
\DoxyCodeLine{79 \textcolor{keywordflow}{return} llStartPtr;}
\DoxyCodeLine{80 \}}
\DoxyCodeLine{81 }
\DoxyCodeLine{82 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{83 xbLinkListNode<xbNodeType> *xbLinkList<xbNodeType>::GetEndNode()\textcolor{keyword}{ const}\{}
\DoxyCodeLine{84 \textcolor{keywordflow}{return} llEndPtr;}
\DoxyCodeLine{85 \}}
\DoxyCodeLine{86 }
\DoxyCodeLine{87 }
\DoxyCodeLine{88 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{89 xbLinkListNode<xbNodeType> *xbLinkList<xbNodeType>::GetNodeForNo( xbUInt32 ulNo )\textcolor{keyword}{ const}\{}
\DoxyCodeLine{90 }
\DoxyCodeLine{91 xbLinkListNode<xbNodeType> *cPtr = llStartPtr;}
\DoxyCodeLine{92 xbUInt32 i;}
\DoxyCodeLine{93 \textcolor{keywordflow}{for}( i = 0; i < ulNo \&\& i < ulNodeCnt; i++ )}
\DoxyCodeLine{94 cPtr = cPtr-\/>GetNextNode();}
\DoxyCodeLine{95 }
\DoxyCodeLine{96 \textcolor{keywordflow}{if}( i == ulNo )}
\DoxyCodeLine{97 \textcolor{keywordflow}{return} cPtr;}
\DoxyCodeLine{98 \textcolor{keywordflow}{else} }
\DoxyCodeLine{99 \textcolor{keywordflow}{return} 0;}
\DoxyCodeLine{100 \}}
\DoxyCodeLine{101 }
\DoxyCodeLine{102 }
\DoxyCodeLine{103 }
\DoxyCodeLine{104 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{105 xbUInt32 xbLinkList<xbNodeType>::GetNodeCnt()\textcolor{keyword}{ const}\{}
\DoxyCodeLine{106 \textcolor{keywordflow}{return} ulNodeCnt;}
\DoxyCodeLine{107 \}}
\DoxyCodeLine{108 }
\DoxyCodeLine{109 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{110 xbInt16 xbLinkList<xbNodeType>::InsertAtFront( \textcolor{keyword}{const} xbNodeType \& ntKey )\{}
\DoxyCodeLine{111 }
\DoxyCodeLine{112 xbLinkListNode<xbNodeType> *p = \textcolor{keyword}{new} xbLinkListNode<xbNodeType>( ntKey );}
\DoxyCodeLine{113 \textcolor{keywordflow}{if}( p == 0 )}
\DoxyCodeLine{114 \textcolor{keywordflow}{return} \mbox{\hyperlink{xbretcod_8h_ae687fc7d872ba0475a8477e4447f9b54}{XB\_NO\_MEMORY}};}
\DoxyCodeLine{115 }
\DoxyCodeLine{116 \textcolor{keywordflow}{if}( ulNodeCnt > 0 )\{}
\DoxyCodeLine{117 llStartPtr-\/>SetPrevNode( p );}
\DoxyCodeLine{118 p-\/>SetNextNode( llStartPtr );}
\DoxyCodeLine{119 \} \textcolor{keywordflow}{else} \{}
\DoxyCodeLine{120 llEndPtr = p;}
\DoxyCodeLine{121 \}}
\DoxyCodeLine{122 }
\DoxyCodeLine{123 llStartPtr = p;}
\DoxyCodeLine{124 ulNodeCnt++;}
\DoxyCodeLine{125 \textcolor{keywordflow}{return} \mbox{\hyperlink{xbretcod_8h_ac720d5b4ec45bfd606f5865d40816e23}{XB\_NO\_ERROR}};}
\DoxyCodeLine{126 \}}
\DoxyCodeLine{127 }
\DoxyCodeLine{128 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{129 xbInt16 xbLinkList<xbNodeType>::InsertAtEnd( \textcolor{keyword}{const} xbNodeType \& ntKey )\{}
\DoxyCodeLine{130 }
\DoxyCodeLine{131 xbLinkListNode<xbNodeType> *p = \textcolor{keyword}{new} xbLinkListNode<xbNodeType>( ntKey );}
\DoxyCodeLine{132 \textcolor{keywordflow}{if}( p == 0 )}
\DoxyCodeLine{133 \textcolor{keywordflow}{return} \mbox{\hyperlink{xbretcod_8h_ae687fc7d872ba0475a8477e4447f9b54}{XB\_NO\_MEMORY}};}
\DoxyCodeLine{134 }
\DoxyCodeLine{135 \textcolor{keywordflow}{if}( ulNodeCnt > 0 )\{}
\DoxyCodeLine{136 llEndPtr-\/>SetNextNode( p );}
\DoxyCodeLine{137 p-\/>SetPrevNode( llEndPtr );}
\DoxyCodeLine{138 llEndPtr = p;}
\DoxyCodeLine{139 \} \textcolor{keywordflow}{else} \{}
\DoxyCodeLine{140 llStartPtr = p;}
\DoxyCodeLine{141 \}}
\DoxyCodeLine{142 }
\DoxyCodeLine{143 llEndPtr = p;}
\DoxyCodeLine{144 ulNodeCnt++;}
\DoxyCodeLine{145 \textcolor{keywordflow}{return} \mbox{\hyperlink{xbretcod_8h_ac720d5b4ec45bfd606f5865d40816e23}{XB\_NO\_ERROR}};}
\DoxyCodeLine{146 \}}
\DoxyCodeLine{147 }
\DoxyCodeLine{148 }
\DoxyCodeLine{149 }
\DoxyCodeLine{150 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{151 xbInt16 xbLinkList<xbNodeType>::RemoveByVal( \textcolor{keyword}{const} xbNodeType \& ntKey )\{}
\DoxyCodeLine{152 \textcolor{comment}{// Remove the first instance of ntKey from the node chain}}
\DoxyCodeLine{153 xbLinkListNode<xbNodeType> *currPtr = llStartPtr;}
\DoxyCodeLine{154 xbLinkListNode<xbNodeType> *prevPtr = NULL;}
\DoxyCodeLine{155 }
\DoxyCodeLine{156 \textcolor{keywordflow}{for}( xbUInt32 i = 0; i < ulNodeCnt; i++ )\{}
\DoxyCodeLine{157 \textcolor{keywordflow}{if}( currPtr-\/>GetKey() == ntKey )\{}
\DoxyCodeLine{158 \textcolor{keywordflow}{if}( prevPtr == NULL )\{ \textcolor{comment}{//then this is the first node}}
\DoxyCodeLine{159 llStartPtr = currPtr-\/>GetNextNode();}
\DoxyCodeLine{160 \textcolor{keywordflow}{if}( llStartPtr ) \textcolor{comment}{// if more than one link in the linked list}}
\DoxyCodeLine{161 llStartPtr-\/>SetPrevNode( NULL );}
\DoxyCodeLine{162 \textcolor{keyword}{delete} currPtr;}
\DoxyCodeLine{163 ulNodeCnt-\/-\/;}
\DoxyCodeLine{164 \textcolor{keywordflow}{return} i + 1;}
\DoxyCodeLine{165 \}}
\DoxyCodeLine{166 \textcolor{keywordflow}{else} \{}
\DoxyCodeLine{167 prevPtr-\/>SetNextNode( currPtr-\/>GetNextNode());}
\DoxyCodeLine{168 \textcolor{keywordflow}{if}( currPtr-\/>GetNextNode())}
\DoxyCodeLine{169 currPtr-\/>GetNextNode()-\/>SetPrevNode( prevPtr );}
\DoxyCodeLine{170 \textcolor{keyword}{delete} currPtr;}
\DoxyCodeLine{171 ulNodeCnt-\/-\/;}
\DoxyCodeLine{172 \textcolor{keywordflow}{return} i + 1;}
\DoxyCodeLine{173 \}}
\DoxyCodeLine{174 \}}
\DoxyCodeLine{175 prevPtr = currPtr;}
\DoxyCodeLine{176 currPtr = currPtr-\/>GetNextNode();}
\DoxyCodeLine{177 \}}
\DoxyCodeLine{178 \textcolor{keywordflow}{return} \mbox{\hyperlink{xbretcod_8h_ac2606659a54111334f5b02861e533700}{XB\_NOT\_FOUND}};}
\DoxyCodeLine{179 \}}
\DoxyCodeLine{180 }
\DoxyCodeLine{181 }
\DoxyCodeLine{182 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{183 xbInt16 xbLinkList<xbNodeType>::RemoveFromFront( xbNodeType \& ntKey )\{}
\DoxyCodeLine{184 }
\DoxyCodeLine{185 \textcolor{keywordflow}{if}( ulNodeCnt <= 0 )}
\DoxyCodeLine{186 \textcolor{keywordflow}{return} \mbox{\hyperlink{xbretcod_8h_a13e6876470bd34c8c4e5533f115e04eb}{XB\_INVALID\_NODELINK}};}
\DoxyCodeLine{187 xbLinkListNode<xbNodeType> *p = llStartPtr;}
\DoxyCodeLine{188 llStartPtr = p-\/>GetNextNode();}
\DoxyCodeLine{189 \textcolor{keywordflow}{if}( llStartPtr )}
\DoxyCodeLine{190 llStartPtr-\/>SetPrevNode( NULL );}
\DoxyCodeLine{191 ntKey = p-\/>GetKey();}
\DoxyCodeLine{192 \textcolor{keyword}{delete} p;}
\DoxyCodeLine{193 ulNodeCnt-\/-\/;}
\DoxyCodeLine{194 \textcolor{keywordflow}{return} \mbox{\hyperlink{xbretcod_8h_ac720d5b4ec45bfd606f5865d40816e23}{XB\_NO\_ERROR}};}
\DoxyCodeLine{195 \}}
\DoxyCodeLine{196 }
\DoxyCodeLine{197 }
\DoxyCodeLine{198 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{199 xbInt16 xbLinkList<xbNodeType>::RemoveFromEnd( xbNodeType \& ntKey )\{}
\DoxyCodeLine{200 }
\DoxyCodeLine{201 \textcolor{keywordflow}{if}( ulNodeCnt <= 0 )}
\DoxyCodeLine{202 \textcolor{keywordflow}{return} \mbox{\hyperlink{xbretcod_8h_a13e6876470bd34c8c4e5533f115e04eb}{XB\_INVALID\_NODELINK}};}
\DoxyCodeLine{203 xbLinkListNode<xbNodeType> *p = llEndPtr;}
\DoxyCodeLine{204 \textcolor{keywordflow}{if}( p-\/>GetPrevNode())\{}
\DoxyCodeLine{205 llEndPtr = p-\/>GetPrevNode();}
\DoxyCodeLine{206 llEndPtr-\/>SetNextNode( NULL );}
\DoxyCodeLine{207 \} \textcolor{keywordflow}{else} \{}
\DoxyCodeLine{208 \textcolor{comment}{// there are no more nodes}}
\DoxyCodeLine{209 llStartPtr = NULL;}
\DoxyCodeLine{210 llEndPtr = NULL;}
\DoxyCodeLine{211 \}}
\DoxyCodeLine{212 ntKey = p-\/>GetKey();}
\DoxyCodeLine{213 \textcolor{keyword}{delete} p;}
\DoxyCodeLine{214 ulNodeCnt-\/-\/;}
\DoxyCodeLine{215 \textcolor{keywordflow}{return} \mbox{\hyperlink{xbretcod_8h_ac720d5b4ec45bfd606f5865d40816e23}{XB\_NO\_ERROR}};}
\DoxyCodeLine{216 \}}
\DoxyCodeLine{217 }
\DoxyCodeLine{218 }
\DoxyCodeLine{219 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{220 xbInt16 xbLinkList<xbNodeType>::RemoveFromEnd()\{}
\DoxyCodeLine{221 }
\DoxyCodeLine{222 \textcolor{keywordflow}{if}( ulNodeCnt <= 0 )}
\DoxyCodeLine{223 \textcolor{keywordflow}{return} \mbox{\hyperlink{xbretcod_8h_a13e6876470bd34c8c4e5533f115e04eb}{XB\_INVALID\_NODELINK}};}
\DoxyCodeLine{224 xbLinkListNode<xbNodeType> *p = llEndPtr;}
\DoxyCodeLine{225 \textcolor{keywordflow}{if}( p-\/>GetPrevNode())\{}
\DoxyCodeLine{226 llEndPtr = p-\/>GetPrevNode();}
\DoxyCodeLine{227 llEndPtr-\/>SetNextNode( NULL );}
\DoxyCodeLine{228 \} \textcolor{keywordflow}{else} \{}
\DoxyCodeLine{229 \textcolor{comment}{// there are no more nodes}}
\DoxyCodeLine{230 llStartPtr = NULL;}
\DoxyCodeLine{231 llEndPtr = NULL;}
\DoxyCodeLine{232 \}}
\DoxyCodeLine{233 \textcolor{keyword}{delete} p-\/>GetKey();}
\DoxyCodeLine{234 \textcolor{keyword}{delete} p;}
\DoxyCodeLine{235 ulNodeCnt-\/-\/;}
\DoxyCodeLine{236 \textcolor{keywordflow}{return} \mbox{\hyperlink{xbretcod_8h_ac720d5b4ec45bfd606f5865d40816e23}{XB\_NO\_ERROR}};}
\DoxyCodeLine{237 \}}
\DoxyCodeLine{238 }
\DoxyCodeLine{239 }
\DoxyCodeLine{240 \textcolor{keyword}{template}<\textcolor{keyword}{class} xbNodeType>}
\DoxyCodeLine{241 xbInt16 xbLinkList<xbNodeType>::SearchFor( \textcolor{keyword}{const} xbNodeType \& ntKey )\{}
\DoxyCodeLine{242 }
\DoxyCodeLine{243 xbLinkListNode<xbNodeType> *cPtr = llStartPtr;}
\DoxyCodeLine{244 \textcolor{keywordflow}{for}( xbUInt32 i = 0; i < ulNodeCnt; i++ )\{}
\DoxyCodeLine{245 \textcolor{keywordflow}{if}( cPtr-\/>GetKey() == ntKey )}
\DoxyCodeLine{246 \textcolor{keywordflow}{return} i+1;}
\DoxyCodeLine{247 cPtr = cPtr-\/>GetNextNode();}
\DoxyCodeLine{248 \}}
\DoxyCodeLine{249 \textcolor{keywordflow}{return} \mbox{\hyperlink{xbretcod_8h_ac720d5b4ec45bfd606f5865d40816e23}{XB\_NO\_ERROR}};}
\DoxyCodeLine{250 }
\DoxyCodeLine{251 \}}
\DoxyCodeLine{252 \} \textcolor{comment}{// namespace}}
\DoxyCodeLine{253 }
\DoxyCodeLine{254 \textcolor{preprocessor}{\#endif }\textcolor{comment}{// XB\_LINKLIST\_SUPPORT}}
\DoxyCodeLine{255 \textcolor{preprocessor}{\#endif }\textcolor{comment}{// XB\_XBLNKLST\_H\_\_}}
\DoxyCodeLine{256 }
\DoxyCodeLine{257 }
\end{DoxyCode}
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