xmlstring.h

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// © Copyright 2010 - 2014 BlackTopp Studios Inc.
/* This file is part of The Mezzanine Engine.

    The Mezzanine Engine is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with The Mezzanine Engine.  If not, see <http://www.gnu.org/licenses/>.
*/
/* The original authors have included a copy of the license specified above in the
   'Docs' folder. See 'gpl.txt'
*/
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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 _xmlutfconversion_h
#define _xmlutfconversion_h

/// @file
/// @brief A few functions to help the XML system perform conversions between UTF8 and the native wide character UTF implementation.

#include "datatypes.h"



namespace Mezzanine
{
    namespace XML
    {
        /// @brief Convert a c-style string of wchar_t to std::string containing UTF8.
        /// @param str The wide string to convert
        /// @return A std::basic_string<char, std::char_traits<char>, std::allocator<char> > containing the converted data
        std::basic_string<char, std::char_traits<char>, std::allocator<char> > MEZZ_LIB AsUtf8(const wchar_t* str);

        /// @brief Convert a std::wstring to a UTF8 std::string
        /// @param str The wide string to convert.
        /// @return A std::basic_string<char, std::char_traits<char>, std::allocator<char> > containing the converted data
        std::basic_string<char, std::char_traits<char>, std::allocator<char> > MEZZ_LIB AsUtf8(const std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >& str);

        /// @brief Convert a Convert a c-style string to std::wstring containing native encoding (Usually UCS2 on windows and UTF32 on Linux/Mac).
        /// @param str The string to convert.
        /// @return A std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > containing the converted data
        std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > MEZZ_LIB AsWide(const char* str);

        /// @brief Convert a Convert a std::string to std::wstring containing native encoding (Usually UCS2 on windows and UTF32 on Linux/Mac).
        /// @param str The string to convert.
        /// @return A std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > containing the converted data
        std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > MEZZ_LIB AsWide(const std::basic_string<char, std::char_traits<char>, std::allocator<char> >& str);

        /// @brief Gets the first tag out of the Stream and returns it as a String
        /// @param stream An std::ostream that contains atleast one xml tag
        /// @return This gets one XML tag, its closing tage, and all subtags.
        String MEZZ_LIB GetOneTag(std::istream& stream);


        class Document;
        /// @internal
        /// @brief Perform a basic series of checks for extracting meaning from a single xml tag.
        /// @param NameSpace Used when throwing exceptions, this is a string containing the namespace and colons of a class to be deserialized for example "Mezzanine::"
        /// @param ClassName This will be used to identify the main xml element/tag you are attempting to deserialize. This will also be used in error messages.
        /// @param OneTag One XML tag/elements worth of text to deserialize.
        /// @return A pointer to XML::Document that you are now the owner of and must delete, that has the data parse and ready to access.
        /// @throw This can throw a Mezzanine::exception in the event that the xml cannot be parsed.
        Document* MEZZ_LIB PreParseClassFromSingleTag(const String& NameSpace, const String& ClassName, const String& OneTag);

        /// @internal
        /// @brief Calls PreParseClassFromSingleTag passing a "" as the Namespace
        /// @param ClassName This will be used to identify the main xml element/tag you are attempting to deserialize. This will also be used in error messages.
        /// @param OneTag One XML tag/elements worth of text to deserialize.
        /// @return A pointer to XML::Document that you are now the owner of and must delete, that has the data parse and ready to access.
        /// @throw This can throw a Mezzanine::exception in the event that the xml cannot be parsed.
        Document* MEZZ_LIB PreParseClassFromSingleTag(const String& ClassName, const String& OneTag);

        /// @brief Convert < > \& and " in text to \&lt;, \&gt;, \&amp; and \&quote so text can safely be stored in XML
        /// @details Usually this is not required. Entering text into an XML::Attribute or and XML::Node will correctly escape it.
        /// Use this when you will be creating raw xml want to safely escape these characters.
        /// @param XMLText The Text to convert to xml safe text
        /// @return a String containing the escaped version of XMLText
        String MEZZ_LIB EscapeXML(const String& XMLText);
    }
} // /namespace Mezzanine



#endif // Include guard


/*
 *
 * Software, Files, Libraries and all other items referenced in this clause refers only
 * to the contents of this file and associated documentation.
 *
 * Copyright © 2006-2012 Arseny Kapoulkine
 *
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