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Diffstat (limited to 'src/include/xbexpnode.h')
| -rwxr-xr-x | src/include/xbexpnode.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/src/include/xbexpnode.h b/src/include/xbexpnode.h deleted file mode 100755 index f50d9eb..0000000 --- a/src/include/xbexpnode.h +++ /dev/null @@ -1,120 +0,0 @@ -/* xbexpnode.h - -XBase64 Software Library - -Copyright (c) 1997,2003,2014,2022 Gary A Kunkel - -The xb64 software library is covered under the terms of the GPL Version 3, 2007 license. - -Email Contact: - - XDB-devel@lists.sourceforge.net - XDB-users@lists.sourceforge.net - -*/ - - -#ifndef __XB_EXPNODE_H__ -#define __XB_EXPNODE_H__ - -// #ifdef CMAKE_COMPILER_IS_GNUCC -// #pragma interface -// #endif - -#ifdef XB_EXPRESSION_SUPPORT - - -namespace xb{ - -//class XBDLLEXPORT xbDbf; - -/************************************************************************/ -//! @brief Expression node class for handling expression nodes. -/*! -The xbExpNode class is used by the expression logic for handling specific -nodes within a tree of nodes.<br> - -Expressions are parsed into nodes and a logical tree of nodes is created -out of all the individual components within the expression.<br> - -This class is used for handling a specific node within a tree.<br> - -An application program will typically not need to be concerned with -this class.<br> - -*/ -class XBDLLEXPORT xbExpNode { - public: - xbExpNode(); - xbExpNode( xbString &sNodeText, char cReturnType, char cNodeType ); - xbExpNode( xbString &sNodeText, char cNodeType ); - xbExpNode( char cNodeType ); - - virtual ~xbExpNode(); - xbInt16 AddChild( xbExpNode *n ); - xbExpNode *GetChild( xbUInt32 ulChildNo ) const; - xbUInt32 GetChildCnt() const; - xbUInt32 GetChildNo() const; - xbDbf *GetDbf() const; - xbInt16 GetFieldNo() const; - xbExpNode *GetFirstNode(); - xbExpNode *GetNextNode() const; - void GetNodeText( xbString &sNodeText ) const; - char GetNodeType() const; - xbExpNode *GetParent() const; - xbString &GetStringResult(); - xbBool GetBoolResult() const; - xbDouble GetNumericResult() const; - xbUInt32 GetResultLen() const; - xbExpNode *GetRightSibling() const; - char GetReturnType() const; - xbInt16 GetWeight() const; - xbBool HasRightSibling() const; - xbBool IsOperator() const; - xbBool IsUnaryOperator() const; - void RemoveLastChild(); - void SetResultLen( xbUInt32 ulResultLen ); - void SetDbfInfo( xbDbf *dbf ); - void SetDbfInfo( xbDbf *dbf, xbInt16 iFieldNo ); - void SetNodeText( xbString &sNodeText ); - void SetNodeType( char cNodeType ); - void SetParent( xbExpNode *n ); - void SetResult( xbString &sResult ); - void SetResult( xbDate &dtResult ); - void SetResult( xbBool bResult ); - void SetResult( xbDouble dResult ); - void SetReturnType( char cReturnType ); - void SetWeight( xbInt16 iWeight ); - - #ifdef XB_DEBUG_SUPPORT - void DumpNode( xbInt16 iOption ) const; // 0 = no children, 1 = and children - #endif - - private: - xbString sNodeText; // expression text - char cReturnType; // one of: XB_EXP_CHAR, XB_EXP_DATE, XB_EXP_LOGICAL, XB_EXP_NUMERIC - char cNodeType; // one of: XB_EXP_CONSTANT, XB_EXP_FUNCTION, XB_EXP_FIELD, XB_EXP_OPERATOR - xbString sResult; // char result, and operator - xbDouble dResult; // numeric and bool results - xbExpNode * nParent; // pointer to parent - xbLinkList<xbExpNode *> llChildren; // linked list of descendent nodes - xbDbf *dbf; // pointer to dbf, used for field, RECNO() and RECCOUNT() - xbInt16 iFieldNo; // field no if DBF field - xbUInt32 ulResultLen; // for string results, accumulated length of character operations - // includes the sum of all nodes under this + this - // date = 8, numeric = 4, logical = 1 - xbInt16 iWeight; // used for buildign the tree of nodes, assigned to operators - // the higher the number, the lower it goes on the tree - -}; - -/************************************************************************/ - -/* Expression handler */ - - -}; -#endif // XB_EXPRESSION_SUPPORT -#endif // __XB_EXP_H__ - - |