icuSources/samples/translit/answers/main_4.cpp

   1 /********************************************************************
   2  * COPYRIGHT:
   3  * Copyright (c) 1999-2002, International Business Machines Corporation and
   4  * others. All Rights Reserved.
   5  ********************************************************************/
   6
   7 #include "unicode/translit.h"
   8 #include "unicode/rbt.h"
   9 #include "unicode/unistr.h"
  10 #include "unicode/calendar.h"
  11 #include "unicode/datefmt.h"
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include "util.h"
  15 #include "unaccent.h"
  16
  17 // RuleBasedTransliterator rules to remove accents from characters
  18 // so they can be displayed as ASCIIx
  19 UnicodeString UNACCENT_RULES(
  20     "[\\u00C0-\\u00C5] > A;"
  21     "[\\u00C8-\\u00CB] > E;"
  22     "[\\u00CC-\\u00CF] > I;"
  23     "[\\u00E0-\\u00E5] > a;"
  24     "[\\u00E8-\\u00EB] > e;"
  25     "[\\u00EC-\\u00EF] > i;"
  26     );
  27
  28 int main(int argc, char **argv) {
  29
  30     Calendar *cal;
  31     DateFormat *fmt;
  32     DateFormat *defFmt;
  33     Transliterator *greek_latin;
  34     Transliterator *rbtUnaccent;
  35     Transliterator *unaccent;
  36     UErrorCode status = U_ZERO_ERROR;
  37     Locale greece("el", "GR");
  38     UnicodeString str, str2;
  39
  40     // Create a calendar in the Greek locale
  41     cal = Calendar::createInstance(greece, status);
  42     check(status, "Calendar::createInstance");
  43
  44     // Create a formatter
  45     fmt = DateFormat::createDateInstance(DateFormat::kFull, greece);
  46     fmt->setCalendar(*cal);
  47
  48     // Create a default formatter
  49     defFmt = DateFormat::createDateInstance(DateFormat::kFull);
  50     defFmt->setCalendar(*cal);
  51
  52     // Create a Greek-Latin Transliterator
  53     greek_latin = Transliterator::createInstance("Greek-Latin");
  54     if (greek_latin == 0) {
  55         printf("ERROR: Transliterator::createInstance() failed\n");
  56         exit(1);
  57     }
  58
  59     // Create a custom Transliterator
  60     rbtUnaccent = new RuleBasedTransliterator("RBTUnaccent",
  61                                               UNACCENT_RULES,
  62                                               UTRANS_FORWARD,
  63                                               status);
  64     check(status, "RuleBasedTransliterator::ct");
  65
  66     // Create a custom Transliterator
  67     unaccent = new UnaccentTransliterator();
  68
  69     // Loop over various months
  70     for (int32_t month = Calendar::JANUARY;
  71          month <= Calendar::DECEMBER;
  72          ++month) {
  73
  74         // Set the calendar to a date
  75         cal->clear();
  76         cal->set(1999, month, 4);
  77
  78         // Format the date in default locale
  79         str.remove();
  80         defFmt->format(cal->getTime(status), str, status);
  81         check(status, "DateFormat::format");
  82         printf("Date: ");
  83         uprintf(escape(str));
  84         printf("\n");
  85
  86         // Format the date for Greece
  87         str.remove();
  88         fmt->format(cal->getTime(status), str, status);
  89         check(status, "DateFormat::format");
  90         printf("Greek formatted date: ");
  91         uprintf(escape(str));
  92         printf("\n");
  93
  94         // Transliterate result
  95         greek_latin->transliterate(str);
  96         printf("Transliterated via Greek-Latin: ");
  97         uprintf(escape(str));
  98         printf("\n");
  99
 100         // Transliterate result
 101         str2 = str;
 102         rbtUnaccent->transliterate(str);
 103         printf("Transliterated via RBT unaccent: ");
 104         uprintf(escape(str));
 105         printf("\n");
 106
 107         unaccent->transliterate(str2);
 108         printf("Transliterated via normalizer unaccent: ");
 109         uprintf(escape(str2));
 110         printf("\n\n");
 111     }
 112
 113     // Clean up
 114     delete fmt;
 115     delete cal;
 116     delete greek_latin;
 117     delete unaccent;
 118     delete rbtUnaccent;
 119
 120     printf("Exiting successfully\n");
 121     return 0;
 122 }