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FunctionLang.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  *
00005  * Copyright (c) 1999 The Apache Software Foundation.  All rights 
00006  * reserved.
00007  *
00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions
00010  * are met:
00011  *
00012  * 1. Redistributions of source code must retain the above copyright
00013  *    notice, this list of conditions and the following disclaimer. 
00014  *
00015  * 2. Redistributions in binary form must reproduce the above copyright
00016  *    notice, this list of conditions and the following disclaimer in
00017  *    the documentation and/or other materials provided with the
00018  *    distribution.
00019  *
00020  * 3. The end-user documentation included with the redistribution,
00021  *    if any, must include the following acknowledgment:  
00022  *       "This product includes software developed by the
00023  *        Apache Software Foundation (http://www.apache.org/)."
00024  *    Alternately, this acknowledgment may appear in the software itself,
00025  *    if and wherever such third-party acknowledgments normally appear.
00026  *
00027  * 4. The names "Xalan" and "Apache Software Foundation" must
00028  *    not be used to endorse or promote products derived from this
00029  *    software without prior written permission. For written 
00030  *    permission, please contact apache@apache.org.
00031  *
00032  * 5. Products derived from this software may not be called "Apache",
00033  *    nor may "Apache" appear in their name, without prior written
00034  *    permission of the Apache Software Foundation.
00035  *
00036  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
00037  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00038  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00039  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
00040  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00041  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00042  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
00043  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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00046  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00047  * SUCH DAMAGE.
00048  * ====================================================================
00049  *
00050  * This software consists of voluntary contributions made by many
00051  * individuals on behalf of the Apache Software Foundation and was
00052  * originally based on software copyright (c) 1999, International
00053  * Business Machines, Inc., http://www.ibm.com.  For more
00054  * information on the Apache Software Foundation, please see
00055  * <http://www.apache.org/>.
00056  */
00057 #if !defined(FUNCTIONLANG_HEADER_GUARD_1357924680)
00058 #define FUNCTIONLANG_HEADER_GUARD_1357924680
00059 
00060 
00061 
00062 // Base header file.  Must be first.
00063 #include <XPath/XPathDefinitions.hpp>
00064 
00065 
00066 
00067 #include <XalanDOM/XalanElement.hpp>
00068 #include <XalanDOM/XalanNode.hpp>
00069 
00070 
00071 
00072 // Base class header file...
00073 #include <XPath/Function.hpp>
00074 
00075 
00076 
00080 class XALAN_XPATH_EXPORT FunctionLang : public Function
00081 {
00082 public:
00083 
00084     FunctionLang();
00085 
00086     virtual
00087     ~FunctionLang();
00088 
00089     // These methods are inherited from Function ...
00090 
00091     XObjectPtr
00092     execute(
00093             XPathExecutionContext&      executionContext,
00094             XalanNode*                  context);
00095 
00096     virtual XObjectPtr
00097     execute(
00098             XPathExecutionContext&      executionContext,
00099             XalanNode*                  context,            
00100             const XObjectPtr            arg1);
00101 
00102     XObjectPtr
00103     execute(
00104             XPathExecutionContext&      executionContext,
00105             XalanNode*                  context,            
00106             const XObjectPtr            /* arg1 */,
00107             const XObjectPtr            /* arg2 */);
00108 
00109     XObjectPtr
00110     execute(
00111             XPathExecutionContext&      executionContext,
00112             XalanNode*                  context,            
00113             const XObjectPtr            /* arg1 */,
00114             const XObjectPtr            /* arg2 */,
00115             const XObjectPtr            /* arg3 */);
00116 
00117     XObjectPtr
00118     execute(
00119             XPathExecutionContext&      executionContext,
00120             XalanNode*                  context,
00121             int                         /* opPos */,
00122             const XObjectArgVectorType& /* args */);
00123 
00124 #if defined(XALAN_NO_COVARIANT_RETURN_TYPE)
00125     virtual Function*
00126 #else
00127     virtual FunctionLang*
00128 #endif
00129     clone() const;
00130 
00131 private:
00132 
00133     virtual const XalanDOMString
00134     getError() const;
00135 
00136     // Not implemented...
00137     FunctionLang&
00138     operator=(const FunctionLang&);
00139 
00140     bool
00141     operator==(const FunctionLang&) const;
00142 };
00143 
00144 
00145 
00146 #endif  // FUNCTIONLANG_HEADER_GUARD_1357924680

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