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// Common/StringConvert.h

#ifndef __COMMON_STRING_CONVERT_H
#define __COMMON_STRING_CONVERT_H

#include "MyString.h"
#include "MyWindows.h"

UString MultiByteToUnicodeString(const AString &src, UINT codePage = CP_ACP);
UString MultiByteToUnicodeString(const char *src, UINT codePage = CP_ACP);

// optimized versions that work faster for ASCII strings
void MultiByteToUnicodeString2(UString &dest, const AString &src, UINT codePage = CP_ACP);
// void UnicodeStringToMultiByte2(AString &dest, const UString &s, UINT codePage, char defaultChar, bool &defaultCharWasUsed);
void UnicodeStringToMultiByte2(AString &dest, const UString &src, UINT codePage);

AString UnicodeStringToMultiByte(const UString &src, UINT codePage, char defaultChar, bool &defaultCharWasUsed);
AString UnicodeStringToMultiByte(const UString &src, UINT codePage = CP_ACP);

inline const wchar_t* GetUnicodeString(const wchar_t *u)  { return u; }
inline const UString& GetUnicodeString(const UString &u)  { return u; }

inline UString GetUnicodeString(const AString &a)  { return MultiByteToUnicodeString(a); }
inline UString GetUnicodeString(const char *a)     { return MultiByteToUnicodeString(a); }

inline UString GetUnicodeString(const AString &a, UINT codePage)
  { return MultiByteToUnicodeString(a, codePage); }
inline UString GetUnicodeString(const char *a, UINT codePage)
  { return MultiByteToUnicodeString(a, codePage); }

inline const wchar_t* GetUnicodeString(const wchar_t *u, UINT) { return u; }
inline const UString& GetUnicodeString(const UString &u, UINT) { return u; }

inline const char*    GetAnsiString(const char    *a) { return a; }
inline const AString& GetAnsiString(const AString &a) { return a; }

inline AString GetAnsiString(const wchar_t *u) { return UnicodeStringToMultiByte(UString(u)); }
inline AString GetAnsiString(const UString &u) { return UnicodeStringToMultiByte(u); }

/*
inline const char* GetOemString(const char* oem)
  { return oem; }
inline const AString& GetOemString(const AString &oem)
  { return oem; }
*/
const char* GetOemString(const char* oem);
const AString& GetOemString(const AString &oem);
inline AString GetOemString(const UString &u)
  { return UnicodeStringToMultiByte(u, CP_OEMCP); }

#ifdef _UNICODE
  inline const wchar_t* GetSystemString(const wchar_t *u) { return u;}
  inline const UString& GetSystemString(const UString &u) { return u;}
  inline const wchar_t* GetSystemString(const wchar_t *u, UINT /* codePage */) { return u;}
  inline const UString& GetSystemString(const UString &u, UINT /* codePage */) { return u;}
  
  inline UString GetSystemString(const AString &a, UINT codePage) { return MultiByteToUnicodeString(a, codePage); }
  inline UString GetSystemString(const char    *a, UINT codePage) { return MultiByteToUnicodeString(a, codePage); }
  inline UString GetSystemString(const AString &a) { return MultiByteToUnicodeString(a); }
  inline UString GetSystemString(const char    *a) { return MultiByteToUnicodeString(a); }
#else
  inline const char*    GetSystemString(const char    *a) { return a; }
  inline const AString& GetSystemString(const AString &a) { return a; }
  inline const char*    GetSystemString(const char    *a, UINT) { return a; }
  inline const AString& GetSystemString(const AString &a, UINT) { return a; }
  
  inline AString GetSystemString(const wchar_t *u) { return UnicodeStringToMultiByte(UString(u)); }
  inline AString GetSystemString(const UString &u) { return UnicodeStringToMultiByte(u); }
  inline AString GetSystemString(const UString &u, UINT codePage) { return UnicodeStringToMultiByte(u, codePage); }



  /*
  inline AString GetSystemString(const wchar_t *u)
  {
    UString s;
    s = u;
    return UnicodeStringToMultiByte(s);
  }
  */

#endif

#ifndef UNDER_CE
AString SystemStringToOemString(const CSysString &src);
#endif

#endif