From 22000a3645f41f43e6ada63d9e68564cdd78fcc8 Mon Sep 17 00:00:00 2001
From: Rüdiger Timm <rt@openoffice.org>
Date: Wed, 30 Jan 2008 06:59:20 +0000
Subject: INTEGRATION: CWS dba24d (1.1.2); FILE ADDED 2007/11/21 12:39:13 oj
1.1.2.1: #i68854# impl TypeSettingInfo for Oracle and some clean up
---
connectivity/source/inc/RowFunctionParser.hxx | 161 ++++++++++++++++++++++++++
1 file changed, 161 insertions(+)
create mode 100644 connectivity/source/inc/RowFunctionParser.hxx
(limited to 'connectivity')
diff --git a/connectivity/source/inc/RowFunctionParser.hxx b/connectivity/source/inc/RowFunctionParser.hxx
new file mode 100644
index 000000000000..9c0224b24756
--- /dev/null
+++ b/connectivity/source/inc/RowFunctionParser.hxx
@@ -0,0 +1,161 @@
+/*************************************************************************
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: RowFunctionParser.hxx,v $
+ *
+ * $Revision: 1.2 $
+ *
+ * last change: $Author: rt $ $Date: 2008-01-30 07:59:20 $
+ *
+ * The Contents of this file are made available subject to
+ * the terms of GNU Lesser General Public License Version 2.1.
+ *
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2005 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ ************************************************************************/
+
+#ifndef CONNECTIVITY_ROWFUNCTIONPARSER_HXX_INCLUDED
+#define CONNECTIVITY_ROWFUNCTIONPARSER_HXX_INCLUDED
+
+#ifndef _SAL_CONFIG_H_
+#include <sal/config.h>
+#endif
+#ifndef BOOST_SHARED_PTR_HPP_INCLUDED
+#include <boost/shared_ptr.hpp>
+#endif
+#include "FDatabaseMetaDataResultSet.hxx"
+#include <vector>
+
+// -------------------------------------------------------------------------
+namespace connectivity
+{
+// -------------------------------------------------------------------------
+struct RowEquation
+{
+ sal_Int32 nOperation;
+ ORowSetValueDecoratorRef nPara[ 3 ];
+
+ RowEquation() :
+ nOperation ( 0 )
+ {
+ }
+};
+
+enum ExpressionFunct
+{
+ FUNC_CONST,
+
+ ENUM_FUNC_EQUATION,
+
+ UNARY_FUNC_COLUMN,
+ ENUM_FUNC_AND,
+ ENUM_FUNC_OR
+};
+
+#define EXPRESSION_FLAG_SUMANGLE_MODE 1
+
+class SAL_NO_VTABLE ExpressionNode
+{
+public:
+ virtual ~ExpressionNode(){}
+
+ /** Operator to calculate function value.
+
+ This method calculates the function value.
+ */
+ virtual ORowSetValueDecoratorRef evaluate(const ODatabaseMetaDataResultSet::ORow& _aRow ) const = 0;
+
+ virtual void fill(const ODatabaseMetaDataResultSet::ORow& _aRow ) const = 0;
+
+ /** Operator to retrieve the type of expression node
+ */
+ virtual ExpressionFunct getType() const = 0;
+
+ /** Operator to retrieve the ms version of expression
+ */
+ virtual ODatabaseMetaDataResultSet::ORow fillNode(
+ std::vector< RowEquation >& rEquations, ExpressionNode* pOptionalArg, sal_uInt32 nFlags ) = 0;
+};
+typedef ::boost::shared_ptr< ExpressionNode > ExpressionNodeSharedPtr;
+
+/** This exception is thrown, when the arithmetic expression
+ parser failed to parse a string.
+ */
+struct ParseError
+{
+ ParseError() {}
+ ParseError( const char* ) {}
+};
+
+class FunctionParser
+{
+public:
+
+ /** Parse a string
+
+ The following grammar is accepted by this method:
+ <code>
+
+ number_digit = '0'|'1'|'2'|'3'|'4'|'5'|'6'|'7'|'8'|'9'
+
+ number = number number_digit | number_digit
+
+ equal_function = '='
+ ternary_function = 'if'
+
+ string_reference = 'a-z,A-Z,0-9' ' '
+ modifier_reference = '$' '0-9' ' '
+
+ basic_expression =
+ number |
+ string_reference |
+ additive_expression equal_function additive_expression |
+ unary_function '(' number_digit ')'
+ ternary_function '(' additive_expression ',' additive_expression ',
+ ' additive_expression ')' | '(' additive_expression ')'
+
+ </code>
+
+ @param rFunction
+ The string to parse
+
+ @throws ParseError if an invalid expression is given.
+
+ @return the generated function object.
+ */
+
+ static ExpressionNodeSharedPtr parseFunction( const ::rtl::OUString& _sFunction);
+
+private:
+ // disabled constructor/destructor, since this is
+ // supposed to be a singleton
+ FunctionParser();
+
+ // default: disabled copy/assignment
+ FunctionParser(const FunctionParser&);
+ FunctionParser& operator=( const FunctionParser& );
+};
+
+// -------------------------------------------------------------------------
+} // namespace connectivity
+// -------------------------------------------------------------------------
+#endif /* CONNECTIVITY_ROWFUNCTIONPARSER_HXX_INCLUDED */
--
cgit