src/include/common/base/util/WString.h

/*
 * Copyright (C) 2003-2007 Funambol
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef INCL_WSTRING
#define INCL_WSTRING

#include "base/util/ArrayElement.h"

class ArrayList;
class StringBuffer;

#define DEFAULT_DELIMITER (const WCHAR* )TEXT(" ")

class WString: public ArrayElement {
    public:
        // Constant value for an invalid pos (returned by find and rfind)
        static const size_t npos;

        WString(const WCHAR* str = NULL, size_t len = npos) EXTRA_SECTION_00;

        WString(const WString &sb) EXTRA_SECTION_00;

        ~WString() EXTRA_SECTION_00;

        WString& append(const WCHAR*) EXTRA_SECTION_00;

        WString& append(unsigned long u, BOOL sign = TRUE) EXTRA_SECTION_00;

        WString& append(WString& s) EXTRA_SECTION_00;

        WString& append(WString* str) EXTRA_SECTION_00;

        WString& set(const WCHAR*) EXTRA_SECTION_00;

        WString& reset() EXTRA_SECTION_00;

        const WCHAR* getChars() const EXTRA_SECTION_00;
        inline const WCHAR* c_str() const { return s; } EXTRA_SECTION_00;

        size_t find(const WCHAR *str, size_t pos = 0) const EXTRA_SECTION_00;

        size_t ifind(const WCHAR *str, size_t pos = 0) const EXTRA_SECTION_00;

        size_t replace(const WCHAR *from, const WCHAR *to, size_t pos = 0) EXTRA_SECTION_00;
        int replaceAll(const WCHAR *from, const WCHAR *to, size_t pos = 0) EXTRA_SECTION_00;

        ArrayList &split (ArrayList &tokens,
                          const WCHAR *delimiters = DEFAULT_DELIMITER ) const EXTRA_SECTION_00;

        WString& join(ArrayList &tokens, const WCHAR *separator);

        WString substr(size_t pos, size_t len = npos) const EXTRA_SECTION_00;

        unsigned long length() const EXTRA_SECTION_00;

        void reserve(size_t len) EXTRA_SECTION_00;

        WString& upperCase() EXTRA_SECTION_00 ;

        WString& lowerCase() EXTRA_SECTION_00 ;

        bool icmp(const WCHAR *sc) const EXTRA_SECTION_00 ;

        bool empty() const EXTRA_SECTION_00;

        bool null() const EXTRA_SECTION_00;
        
        ArrayElement* clone() EXTRA_SECTION_00 ;

        WString& operator= (const WCHAR* sc) EXTRA_SECTION_00 ;
        WString& operator= (const WString& s) EXTRA_SECTION_00 ;
        WString& operator= (const StringBuffer& s) EXTRA_SECTION_00 ;
        WString& operator+= (const WCHAR* sc) EXTRA_SECTION_00 ;
        WString& operator+= (const WString& s) EXTRA_SECTION_00 ;
        WString& operator+= (const StringBuffer& s) EXTRA_SECTION_00 ;
        bool operator== (const WCHAR* sc) const EXTRA_SECTION_00 ;
        bool operator== (const WString& sb) const EXTRA_SECTION_00 ;
        bool operator== (const StringBuffer& sb) const EXTRA_SECTION_00 ;
        bool operator!= (const WCHAR* sc) const EXTRA_SECTION_00 ;
        bool operator!= (const WString& s) const EXTRA_SECTION_00 ;
        bool operator!= (const StringBuffer& sb) const EXTRA_SECTION_00 ;
        
        inline operator const WCHAR*() const { return s; } EXTRA_SECTION_00 ;
        
    private:
        WCHAR* s;
        size_t size;

        // Allocator
        void getmem(size_t len);
        // Deallocator
        void freemem();
};

WString operator+(const WString& x, const WCHAR *y);

#endif

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