icuSources/samples/case/case.cpp

   1 /*
   2 *******************************************************************************
   3 *
   4 *   © 2016 and later: Unicode, Inc. and others.
   5 *   License & terms of use: http://www.unicode.org/copyright.html#License
   6 *
   7 *******************************************************************************
   8 *******************************************************************************
   9 *
  10 *   Copyright (C) 2003-2004, International Business Machines
  11 *   Corporation and others.  All Rights Reserved.
  12 *
  13 *******************************************************************************
  14 */
  15
  16 #include <unicode/unistr.h>
  17 #include <unicode/ustdio.h>
  18 #include <unicode/brkiter.h>
  19 #include <stdlib.h>
  20
  21 using namespace icu;
  22
  23 U_CFUNC int c_main(UFILE *out);
  24
  25 void printUnicodeString(UFILE *out, const UnicodeString &s) {
  26     UnicodeString other = s;
  27     u_fprintf(out, "\"%S\"", other.getTerminatedBuffer());
  28 }
  29
  30
  31 int main( void )
  32 {
  33     UFILE *out;
  34     UErrorCode status  = U_ZERO_ERROR;
  35     out = u_finit(stdout, NULL, NULL);
  36     if(!out) {
  37         fprintf(stderr, "Could not initialize (finit()) over stdout! \n");
  38         return 1;
  39     }
  40     ucnv_setFromUCallBack(u_fgetConverter(out), UCNV_FROM_U_CALLBACK_ESCAPE,
  41         NULL, NULL, NULL, &status);
  42     if(U_FAILURE(status)) {
  43         u_fprintf(out, "Warning- couldn't set the substitute callback - err %s\n", u_errorName(status));
  44     }
  45
  46     /* End Demo boilerplate */
  47
  48     u_fprintf(out,"ICU Case Mapping Sample Program\n\n");
  49     u_fprintf(out, "C++ Case Mapping\n\n");
  50
  51     UnicodeString string("This is a test");
  52     /* lowercase = "istanbul" */
  53     UChar lowercase[] = {0x69, 0x73, 0x74, 0x61, 0x6e, 0x62, 0x75, 0x6c, 0};
  54     /* uppercase = "LATIN CAPITAL I WITH DOT ABOVE STANBUL" */
  55     UChar uppercase[] = {0x0130, 0x53, 0x54, 0x41, 0x4e, 0x42, 0x55, 0x4C, 0};
  56
  57     UnicodeString upper(uppercase);
  58     UnicodeString lower(lowercase);
  59
  60     u_fprintf(out, "\nstring: ");
  61     printUnicodeString(out, string);
  62     string.toUpper(); /* string = "THIS IS A TEST" */
  63     u_fprintf(out, "\ntoUpper(): ");
  64     printUnicodeString(out, string);
  65     string.toLower(); /* string = "this is a test" */
  66     u_fprintf(out, "\ntoLower(): ");
  67     printUnicodeString(out, string);
  68
  69     u_fprintf(out, "\n\nlowercase=%S, uppercase=%S\n", lowercase, uppercase);
  70
  71
  72     string = upper;
  73     string.toLower(Locale("tr", "TR")); /* Turkish lower case map string =
  74                                         lowercase */
  75     u_fprintf(out, "\nupper.toLower: ");
  76     printUnicodeString(out, string);
  77
  78     string = lower;
  79     string.toUpper(Locale("tr", "TR")); /* Turkish upper case map string =
  80                                         uppercase */
  81     u_fprintf(out, "\nlower.toUpper: ");
  82     printUnicodeString(out, string);
  83
  84
  85     u_fprintf(out, "\nEnd C++ sample\n\n");
  86
  87     // Call the C version
  88     int rc = c_main(out);
  89     u_fclose(out);
  90     return rc;
  91 }
  92