/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
//////////////////////////////////////////////////////////////////////
//
// pfLocalizedString - a small class to handle localized strings and
//                     which can take parameters (like %s or %1s) and
//                     also can be easily translated to XML format
//
//////////////////////////////////////////////////////////////////////

#ifndef _pfLocalizedString_h
#define _pfLocalizedString_h

#include "hsTypes.h"
#include "hsStlUtils.h"


//// pfLocalizedString Class Definition //////////////////////////////
//  a small class to handle localized strings and which can take
//  parameters (like %s or %1s) and also can be easily translated to
//  XML format

class pfLocalizedString
{
protected:
    // stores all basic text and param information in a nice, easy-to-use block of data
    struct textBlock
    {
        bool        fIsParam; // if true, then this is a parameter, not a string
        std::wstring    fText;
        UInt8       fParamIndex;

        textBlock() : fIsParam(false), fParamIndex(0) {}
    };

    std::vector<textBlock>  fText; // the individual text elements that make up this string
    std::wstring            fXMLRep; // the XML representation of this string
    std::wstring            fPlainTextRep; // the plain text representation of this string
    UInt16              fNumArguments; // number of arguments this string has

    void IConvertFromPlainText(const std::wstring & plainText);
    void IUpdatePlainText(); // from the internal representation
    void IConvertFromXML(const std::wstring & xml);
    void IUpdateXML(); // from the internal representation
public:
    pfLocalizedString() : fNumArguments(0) {}
    pfLocalizedString(const wchar_t *plainText);
    pfLocalizedString(const std::wstring & plainText);
    virtual ~pfLocalizedString() {}

    // To translate to and from xml format (where <, > and other signs can't be used)
    void FromXML(const std::wstring & xml);
    std::wstring ToXML() {return fXMLRep;}

    UInt16 GetArgumentCount() {return fNumArguments;}

    // Various operators, they all work pretty much the same as the standard string or wstring operators
    // but note that the all work on the plain text representation (not the XML representation)
    bool operator<(pfLocalizedString &obj);
    bool operator>(pfLocalizedString &obj);
    bool operator==(pfLocalizedString &obj);
    bool operator<=(pfLocalizedString &obj);
    bool operator>=(pfLocalizedString &obj);
    bool operator!=(pfLocalizedString &obj);

    //operator const wchar_t *() {return fPlainTextRep.c_str();}
    operator std::wstring() {return fPlainTextRep;}

    pfLocalizedString operator+(pfLocalizedString &obj);
    pfLocalizedString &operator+=(pfLocalizedString &obj);

    pfLocalizedString &operator=(const std::wstring & plainText);
    pfLocalizedString &operator=(const wchar_t *plainText);

    // Specialized operator for replacing text with arguments
    std::wstring operator%(const std::vector<std::wstring> & arguments);
};

#endif