xpathvariableset.h

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// © Copyright 2010 - 2014 BlackTopp Studios Inc.
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/*
 *
 * Software, Files, Libraries and all other items referenced in this clause refers only
 * to the contents of this file and associated documentation.
 *
 * Pugixml parser - version 1.0
 * --------------------------------------------------------
 * Copyright © 2006-2012, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 * Report bugs and download new versions at http://pugixml.org/
 *
 * This library is distributed under the MIT License. See notice at the end
 * of this file.
 *
 * This work is based on the pugxml parser, which is:
 * Copyright © 2003, by Kristen Wegner (kristen@tima.net)
 */
#ifndef _xpathvariableset_h
#define _xpathvariableset_h

/// @file
/// @brief The definition of the @ref Mezzanine::XML::XPathVariableSet

#include "datatypes.h"

#include "XML/xmlenumerations.h"



namespace Mezzanine
{
    namespace XML
    {
        class XPathNodeSet;
        class XPathVariable;

        /// @brief A set of XPath variables.
        class MEZZ_LIB XPathVariableSet
        {
            private:

                /// @internal
                /// @todo Look into this more carefully.
                XPathVariable* _data[64];

                /// @brief Private copy constructor forces non-copyable semantics
                XPathVariableSet(const XPathVariableSet&);

                /// @brief Private copy assignment operator forces non-copyable semantics
                XPathVariableSet& operator=(const XPathVariableSet&);

                /// @internal
                /// @brief Find a variable of a given Name
                /// @param Name The name of the Node
                /// @details Performs a linear search.
                XPathVariable* Find(const Char8* Name) const;

            public:
                /// @brief Default Constructor, Blanks any XPathVariable it contains.
                XPathVariableSet();

                /// @brief Default Deconstructor, Deletes any XPathVariable it contains.
                ~XPathVariableSet();

                /// @brief Add a new variable or get the existing one, if the Types match
                /// @return A pointer to the XPathVariable you referenced or just created.
                /// @param Name The name of variable to add.
                /// @param Type The Type of the new value to add as an XPathValueType.
                XPathVariable* Add(const Char8* Name, XPathValueType Type);

                /// @brief Set contained variable Value; no Type conversion is performed.
                /// @param Name The name of variable to change.
                /// @param Value The value to attempt to put into the named variable.
                /// @return True is return, false is returned if there is no such variable or on Type mismatch error.
                bool Set(const Char8* Name, bool Value);

                /// @brief Set contained variable Value; no Type conversion is performed.
                /// @param Name The name of variable to change.
                /// @param Value The value to attempt to put into the named variable.
                /// @return True is return, false is returned if there is no such variable or on Type mismatch error.
                bool Set(const Char8* Name, double Value);

                /// @brief Set contained variable Value; no Type conversion is performed.
                /// @param Name The name of variable to change.
                /// @param Value The value to attempt to put into the named variable.
                /// @return True is return, false is returned if there is no such variable or on Type mismatch error.
                bool Set(const Char8* Name, const Char8* Value);

                /// @brief Set contained variable Value; no Type conversion is performed.
                /// @param Name The name of variable to change.
                /// @param Value The value to attempt to put into the named variable.
                /// @return True is return, false is returned if there is no such variable or on Type mismatch error.
                bool Set(const Char8* Name, const XPathNodeSet& Value);

                /// @brief Get the named XPathVariable.
                /// @return A pointer to the specified XPathVariable.
                /// @param Name The name of the XPathVariable you want.
                XPathVariable* Get(const Char8* Name);

#if !(defined(SWIG) && defined(MEZZLUA51)) // Stop Swig from making lua bindings but allow other languages
                /// @brief Get the named XPathVariable.
                /// @param Name The name of the XPathVariable you want.
                /// @return A pointer to the specified XPathVariable.
                /// @note The non-const version is available to scripting languages.
                const XPathVariable* Get(const Char8* Name) const;
#endif
        };
    }
} // /namespace Mezzanine



#endif // Include guard


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