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Posted 27 Aug 2003

XMLLib for PUGXML with XPath

, 29 Oct 2009 CPOL
A library for PugXML which implements XPath
//* Blue Xml Extension
//* Copyright (c) 2002-2003 Josh Harler
//* Blue - General Purpose C++ Library
//* Copyright (c) 2002-2003 Josh Harler
//* This software is provided 'as-is', without any express or implied warranty. In no event
//* will the authors be held liable for any damages arising from the use of this software.
//* Permission is granted to anyone to use this software for any purpose, including commercial
//* applications, and to alter it and redistribute it freely, subject to the following restrictions:
//*     1. The origin of this software must not be misrepresented; you must not claim that you
//*     wrote the original software. If you use this software in a product, an acknowledgment in the
//*     product documentation would be appreciated but is not required.
//*     2. Altered source versions must be plainly marked as such, and must not be misrepresented as
//*     being the original software.
//*     3. This notice may not be removed or altered from any source distribution.
//* Modified by JCrane2 to support PugXML parser:
//* file   PugXPathPredicate.h

#if !defined(AFX_PUGXPATHPREDICATE_H__E523538D_8427_4D8B_8059_06FF5FD0492F__INCLUDED_)
#define AFX_PUGXPATHPREDICATE_H__E523538D_8427_4D8B_8059_06FF5FD0492F__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

// Include the Pug XML library.
#include "pugxml.h"
#include <sstream>
#include <io.h>
#include <sys\stat.h>

using namespace std;
using namespace pug;

#include "PugXPathExpression.h"

namespace blue
    namespace ext
        namespace xml
        * \class PugXPathPredicate
        * \brief Evaluates an PugXPath predicate.
            class PugXPathPredicate
                // ===========================================================
                //  creation/destruction
                // ===========================================================

                /** Constructor. */

                /** Destructor. */

                // ===========================================================
                //  query
                // ===========================================================

                * Parses the string into a series of tokens that are used to
                * evaluate the predicate.
                Array<PugXPathToken> parsePredicate(BString predicate);

                * Determines if the function exists for use in the predicate
                * object.
                bool hasFunction(BString function);

                /** Returns a pointer to the function object. */
                PugXPathFunction* getFunction(BString function);
                /** overload. */
                const PugXPathFunction* getFunction(BString function) const;

                // ===========================================================
                //  manipulation
                // ===========================================================

                /** Adds a function for use with this predicate object. */
                void addFunction(PugXPathFunction* function);

                /** Removes a function from use with this predicate object. */
                void removeFunction(BString function);

                /** Evaluates the predicate. */
                PugXPathToken evaluate(Array<PugXPathToken> predicate, Array<xml_node_struct*> search, xml_node_struct* context);

            * Copy constructor. Private because PugXPathPredicates should not be
            * manipulated by more than one instance.
                PugXPathPredicate(const PugXPathPredicate&);
                /** Private assignment operator. See copy constructor documentation. */
                const PugXPathPredicate& operator=(const PugXPathPredicate&);

                PugXPathToken evaluateSection(Array<PugXPathToken> predicate, Array<xml_node_struct*> search, xml_node_struct* context, int begIdx, int endIdx, bool func);

                Array<PugXPathFunction*> m_operators;
                Array<PugXPathFunction*> m_defaults;
                Array<PugXPathFunction*> m_functions;
}   // namespaces

#endif // !defined(AFX_PUGXPATHPREDICATE_H__E523538D_8427_4D8B_8059_06FF5FD0492F__INCLUDED_)

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