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+\hypertarget{xbexpnode_8h_source}{}\doxysection{xbexpnode.\+h}
+\label{xbexpnode_8h_source}\index{/mnt/1Tdata/xbase/xbase64-\/4.0.2/src/include/xbexpnode.h@{/mnt/1Tdata/xbase/xbase64-\/4.0.2/src/include/xbexpnode.h}}
+\mbox{\hyperlink{xbexpnode_8h}{Go to the documentation of this file.}}
+\begin{DoxyCode}{0}
+\DoxyCodeLine{1 \textcolor{comment}{/*  xbexpnode.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\_EXPNODE\_H\_\_}}
+\DoxyCodeLine{18 \textcolor{preprocessor}{\#define \_\_XB\_EXPNODE\_H\_\_}}
+\DoxyCodeLine{19 }
+\DoxyCodeLine{20 \textcolor{comment}{// \#ifdef  CMAKE\_COMPILER\_IS\_GNUCC}}
+\DoxyCodeLine{21 \textcolor{comment}{// \#pragma interface}}
+\DoxyCodeLine{22 \textcolor{comment}{// \#endif}}
+\DoxyCodeLine{23 }
+\DoxyCodeLine{24 \textcolor{preprocessor}{\#ifdef XB\_EXPRESSION\_SUPPORT}}
+\DoxyCodeLine{25 }
+\DoxyCodeLine{26 }
+\DoxyCodeLine{27 \textcolor{keyword}{namespace }\mbox{\hyperlink{namespacexb}{xb}}\{}
+\DoxyCodeLine{28 }
+\DoxyCodeLine{29 \textcolor{comment}{//class XBDLLEXPORT xbDbf;}}
+\DoxyCodeLine{30 }
+\DoxyCodeLine{31 \textcolor{comment}{/************************************************************************/}}
+\DoxyCodeLine{33 }
+\DoxyCodeLine{46 \textcolor{keyword}{class }XBDLLEXPORT xbExpNode \{}
+\DoxyCodeLine{47   \textcolor{keyword}{public}:}
+\DoxyCodeLine{48    xbExpNode();}
+\DoxyCodeLine{49    xbExpNode( xbString \&sNodeText, \textcolor{keywordtype}{char} cReturnType, \textcolor{keywordtype}{char} cNodeType  );}
+\DoxyCodeLine{50    xbExpNode( xbString \&sNodeText, \textcolor{keywordtype}{char} cNodeType  );}
+\DoxyCodeLine{51    xbExpNode( \textcolor{keywordtype}{char} cNodeType  );}
+\DoxyCodeLine{52 }
+\DoxyCodeLine{53    \textcolor{keyword}{virtual}   \string~xbExpNode();}
+\DoxyCodeLine{54    xbInt16   AddChild( xbExpNode *n );}
+\DoxyCodeLine{55    xbExpNode *GetChild( xbUInt32 ulChildNo ) \textcolor{keyword}{const};}
+\DoxyCodeLine{56    xbUInt32  GetChildCnt() \textcolor{keyword}{const};}
+\DoxyCodeLine{57    xbUInt32  GetChildNo() \textcolor{keyword}{const};}
+\DoxyCodeLine{58    \mbox{\hyperlink{namespacexb_ab2eae4b4732466698a7fdd89d77ba53b}{xbDbf}}     *GetDbf() \textcolor{keyword}{const};}
+\DoxyCodeLine{59    xbInt16   GetFieldNo() \textcolor{keyword}{const};}
+\DoxyCodeLine{60    xbExpNode *GetFirstNode();}
+\DoxyCodeLine{61    xbExpNode *GetNextNode() \textcolor{keyword}{const};}
+\DoxyCodeLine{62    \textcolor{keywordtype}{void}      GetNodeText( xbString \&sNodeText ) \textcolor{keyword}{const};}
+\DoxyCodeLine{63    \textcolor{keywordtype}{char}      GetNodeType() \textcolor{keyword}{const};}
+\DoxyCodeLine{64    xbExpNode *GetParent() \textcolor{keyword}{const};}
+\DoxyCodeLine{65    xbString  \&GetStringResult();}
+\DoxyCodeLine{66    \mbox{\hyperlink{namespacexb_ab1a750481dd487f0d384aa1d200dff0f}{xbBool}}    GetBoolResult() \textcolor{keyword}{const};}
+\DoxyCodeLine{67    \mbox{\hyperlink{namespacexb_a25f47b226ce924a5c78f97989b0744a2}{xbDouble}}  GetNumericResult() \textcolor{keyword}{const};}
+\DoxyCodeLine{68    xbUInt32  GetResultLen() \textcolor{keyword}{const};}
+\DoxyCodeLine{69    xbExpNode *GetRightSibling() \textcolor{keyword}{const};}
+\DoxyCodeLine{70    \textcolor{keywordtype}{char}      GetReturnType() \textcolor{keyword}{const};}
+\DoxyCodeLine{71    xbInt16   GetWeight() \textcolor{keyword}{const};}
+\DoxyCodeLine{72    \mbox{\hyperlink{namespacexb_ab1a750481dd487f0d384aa1d200dff0f}{xbBool}}    HasRightSibling() \textcolor{keyword}{const};}
+\DoxyCodeLine{73    \mbox{\hyperlink{namespacexb_ab1a750481dd487f0d384aa1d200dff0f}{xbBool}}    IsOperator() \textcolor{keyword}{const};}
+\DoxyCodeLine{74    \mbox{\hyperlink{namespacexb_ab1a750481dd487f0d384aa1d200dff0f}{xbBool}}    IsUnaryOperator() \textcolor{keyword}{const};}
+\DoxyCodeLine{75    \textcolor{keywordtype}{void}      RemoveLastChild();}
+\DoxyCodeLine{76    \textcolor{keywordtype}{void}      SetResultLen( xbUInt32 ulResultLen );}
+\DoxyCodeLine{77    \textcolor{keywordtype}{void}      SetDbfInfo( \mbox{\hyperlink{namespacexb_ab2eae4b4732466698a7fdd89d77ba53b}{xbDbf}} *dbf );}
+\DoxyCodeLine{78    \textcolor{keywordtype}{void}      SetDbfInfo( \mbox{\hyperlink{namespacexb_ab2eae4b4732466698a7fdd89d77ba53b}{xbDbf}} *dbf, xbInt16 iFieldNo );}
+\DoxyCodeLine{79    \textcolor{keywordtype}{void}      SetNodeText( xbString \&sNodeText );}
+\DoxyCodeLine{80    \textcolor{keywordtype}{void}      SetNodeType( \textcolor{keywordtype}{char} cNodeType );}
+\DoxyCodeLine{81    \textcolor{keywordtype}{void}      SetParent( xbExpNode *n );}
+\DoxyCodeLine{82    \textcolor{keywordtype}{void}      SetResult( xbString \&sResult );}
+\DoxyCodeLine{83    \textcolor{keywordtype}{void}      SetResult( xbDate   \&dtResult );}
+\DoxyCodeLine{84    \textcolor{keywordtype}{void}      SetResult( \mbox{\hyperlink{namespacexb_ab1a750481dd487f0d384aa1d200dff0f}{xbBool}}   bResult );}
+\DoxyCodeLine{85    \textcolor{keywordtype}{void}      SetResult( \mbox{\hyperlink{namespacexb_a25f47b226ce924a5c78f97989b0744a2}{xbDouble}} dResult );}
+\DoxyCodeLine{86    \textcolor{keywordtype}{void}      SetReturnType( \textcolor{keywordtype}{char} cReturnType );}
+\DoxyCodeLine{87    \textcolor{keywordtype}{void}      SetWeight( xbInt16 iWeight );}
+\DoxyCodeLine{88 }
+\DoxyCodeLine{89 \textcolor{preprocessor}{   \#ifdef XB\_DEBUG\_SUPPORT}}
+\DoxyCodeLine{90    \textcolor{keywordtype}{void}      DumpNode( xbInt16 iOption ) \textcolor{keyword}{const};     \textcolor{comment}{// 0 = no children, 1 = and children}}
+\DoxyCodeLine{91 \textcolor{preprocessor}{   \#endif}}
+\DoxyCodeLine{92 }
+\DoxyCodeLine{93   \textcolor{keyword}{private}:}
+\DoxyCodeLine{94    xbString  sNodeText;                 \textcolor{comment}{// expression text}}
+\DoxyCodeLine{95    \textcolor{keywordtype}{char}      cReturnType;               \textcolor{comment}{// one of: XB\_EXP\_CHAR, XB\_EXP\_DATE, XB\_EXP\_LOGICAL, XB\_EXP\_NUMERIC}}
+\DoxyCodeLine{96    \textcolor{keywordtype}{char}      cNodeType;                 \textcolor{comment}{// one of: XB\_EXP\_CONSTANT, XB\_EXP\_FUNCTION, XB\_EXP\_FIELD, XB\_EXP\_OPERATOR}}
+\DoxyCodeLine{97    xbString  sResult;                   \textcolor{comment}{// char result, and operator}}
+\DoxyCodeLine{98    \mbox{\hyperlink{namespacexb_a25f47b226ce924a5c78f97989b0744a2}{xbDouble}}  dResult;                   \textcolor{comment}{// numeric and bool results}}
+\DoxyCodeLine{99    xbExpNode * nParent;                 \textcolor{comment}{// pointer to parent}}
+\DoxyCodeLine{100    xbLinkList<xbExpNode *> llChildren;  \textcolor{comment}{// linked list of descendent nodes}}
+\DoxyCodeLine{101    \mbox{\hyperlink{namespacexb_ab2eae4b4732466698a7fdd89d77ba53b}{xbDbf}}     *dbf;                      \textcolor{comment}{// pointer to dbf, used for field, RECNO() and RECCOUNT()}}
+\DoxyCodeLine{102    xbInt16   iFieldNo;                  \textcolor{comment}{// field no if DBF field}}
+\DoxyCodeLine{103    xbUInt32  ulResultLen;               \textcolor{comment}{// for string results, accumulated length of character operations}}
+\DoxyCodeLine{104                                         \textcolor{comment}{// includes the sum of all nodes under this + this}}
+\DoxyCodeLine{105                                         \textcolor{comment}{// date = 8, numeric = 4, logical = 1}}
+\DoxyCodeLine{106    xbInt16   iWeight;                   \textcolor{comment}{// used for buildign the tree of nodes, assigned to operators}}
+\DoxyCodeLine{107                                         \textcolor{comment}{// the higher the number, the lower it goes on the tree}}
+\DoxyCodeLine{108 }
+\DoxyCodeLine{109 \};}
+\DoxyCodeLine{110 }
+\DoxyCodeLine{111 \textcolor{comment}{/************************************************************************/}}
+\DoxyCodeLine{112 }
+\DoxyCodeLine{113 \textcolor{comment}{/* Expression handler */}}
+\DoxyCodeLine{114 }
+\DoxyCodeLine{115 }
+\DoxyCodeLine{116 \};}
+\DoxyCodeLine{117 \textcolor{preprocessor}{\#endif        }\textcolor{comment}{// XB\_EXPRESSION\_SUPPORT}}
+\DoxyCodeLine{118 \textcolor{preprocessor}{\#endif        }\textcolor{comment}{// \_\_XB\_EXP\_H\_\_}}
+\DoxyCodeLine{119 }
+\DoxyCodeLine{120 }
+
+\end{DoxyCode}