/*
*******************************************************************************
*
*   Copyright (C) 2003, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
*******************************************************************************
*/

#include <unicode/unistr.h>
#include <unicode/ustdio.h>
#include <iostream.h>
#include <unicode/brkiter.h>
#include <stdlib.h>

U_CFUNC int c_main(UFILE *out);

void printUnicodeString(UFILE *out, const UnicodeString &s) {
  UnicodeString other = s;
  u_fprintf(out, "\"%U\"", other.getTerminatedBuffer());
}


int main( void )
{
  UFILE *out;
  UErrorCode status  = U_ZERO_ERROR;
  out = u_finit(stdout, NULL, NULL);
  if(!out) {
    fprintf(stderr, "Could not initialize (finit()) over stdout! \n");
    return 1;
  }
  ucnv_setFromUCallBack(u_fgetConverter(out), UCNV_FROM_U_CALLBACK_ESCAPE,
                        NULL, NULL, NULL, &status);
  if(U_FAILURE(status)) {
    u_fprintf(out, "Warning- couldn't set the substitute callback - err %s\n", u_errorName(status));
  }

  /* End Demo boilerplate */

  u_fprintf(out,"ICU Case Mapping Sample Program\n\n");
  u_fprintf(out, "C++ Case Mapping\n\n");
  
  UnicodeString string("This is a test");
  /* lowercase = "istanbul" */ 
  UChar lowercase[] = {0x69, 0x73, 0x74, 0x61, 0x6e, 0x62, 0x75, 0x6c, 0};
  /* uppercase = "LATIN CAPITAL I WITH DOT ABOVE STANBUL" */  
  UChar uppercase[] = {0x0130, 0x53, 0x54, 0x41, 0x4e, 0x42, 0x55, 0x4C, 0};
  
  UnicodeString upper(uppercase);
  UnicodeString lower(lowercase);

  u_fprintf(out, "\nstring: ");
  printUnicodeString(out, string);
  string.toUpper(); /* string = "THIS IS A TEST" */
  u_fprintf(out, "\ntoUpper(): ");
  printUnicodeString(out, string);
  string.toLower(); /* string = "this is a test" */
  u_fprintf(out, "\ntoLower(): ");
  printUnicodeString(out, string);

  u_fprintf(out, "\n\nlowercase=%U, uppercase=%U\n", lowercase, uppercase);


  string = upper; 
  string.toLower(Locale("tr", "TR")); /* Turkish lower case map string =
                                         lowercase */
  u_fprintf(out, "\nupper.toLower: ");
  printUnicodeString(out, string);

  string = lower;
  string.toUpper(Locale("tr", "TR")); /* Turkish upper case map string =
                                         uppercase */
  u_fprintf(out, "\nlower.toUpper: ");
  printUnicodeString(out, string);



  u_fprintf(out, "\nEnd C++ sample\n\n");
  
  // Call the C version
  int rc = c_main(out);
  u_fclose(out);
  return rc;
}