INTEGRATION: CWS eforms2 (1.1.2); FILE ADDED

2004/08/06 16:18:15 dvo 1.1.2.8: #i31958# continue XForms implementation
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2004/08/02 13:49:44 dvo 1.1.2.7: #i31958# continue XForms implementation
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2004/06/09 08:24:46 dvo 1.1.2.6: #114856# Solaris compiler problems
(typedef names in throw clauses; include-before-forward-declaration)
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2004/06/01 09:41:30 dvo 1.1.2.5: #114856# support controls with datatype 'double', lazy authoring, error message for invalid binding expressions
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2004/04/22 09:20:38 dvo 1.1.2.4: #114856# remove listener handling from PathExpression
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2004/04/22 09:13:36 dvo 1.1.2.3: #114856# improve dynamic binding capability
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2004/04/07 13:29:49 dvo 1.1.2.2: #114856# continue implementation
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2004/03/18 17:08:37 dvo 1.1.2.1: #114856# continue XForms implementation

1 files changed, 128 insertions, 0 deletions

diff --git a/forms/source/xforms/pathexpression.hxx b/forms/source/xforms/pathexpression.hxx
new file mode 100644
index 000000000000..8c483e6c629f
--- /dev/null
+++ b/forms/source/xforms/pathexpression.hxx
@@ -0,0 +1,128 @@
+/*************************************************************************
+ *
+ *  $RCSfile: pathexpression.hxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: obo $ $Date: 2004-11-16 10:55:22 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 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
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _PATHEXPRESSION_HXX
+#define _PATHEXPRESSION_HXX
+
+
+// include for parent class
+#include "computedexpression.hxx"
+
+// includes for member variables
+#include <vector>
+
+// forward declaractions
+namespace com { namespace sun { namespace star
+{
+    namespace xml { namespace dom
+    {
+        class XNodeList;
+        namespace events { class XEventListener; }
+    } }
+} } }
+
+
+
+namespace xforms
+{
+
+/** PathExpression represents an XPath Expression and caches results */
+class PathExpression : public ComputedExpression
+{
+public:
+    typedef std::vector<com::sun::star::uno::Reference<com::sun::star::xml::dom::XNode> > NodeVector_t;
+
+private:
+    /// the node-list result from the last bind (cached from mxResult)
+    NodeVector_t maNodes;
+
+protected:
+    /// get expression for evaluation
+    const rtl::OUString _getExpressionForEvaluation() const;
+
+
+public:
+    PathExpression();
+    ~PathExpression();
+
+    /// set the expression string
+    /// (overridden to do remove old listeners)
+    /// (also defines simple expressions)
+    void setExpression( const rtl::OUString& rExpression );
+
+
+    /// evaluate the expression relative to the content node.
+    bool evaluate( const xforms::EvaluationContext& rContext );
+
+    /// determine whether the expression can be considered as just an
+    /// element name
+    bool isElementName() const;
+
+    // get the result of this expression as node/node list/...
+    com::sun::star::uno::Reference<com::sun::star::xml::dom::XNode> getNode() const;
+    const NodeVector_t getNodeList() const;
+    com::sun::star::uno::Reference<com::sun::star::xml::dom::XNodeList> getXNodeList() const;
+
+};
+
+} // namespace xforms
+
+#endif