\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}
