source/samples/translit/answers/main_4.cpp

   1 /***********************************************************************
   2  * Copyright (C) 2016 and later: Unicode, Inc. and others.
   3  * License & terms of use: http://www.unicode.org/copyright.html#License
   4  ***********************************************************************
   5  ***********************************************************************
   6  * COPYRIGHT:
   7  * Copyright (c) 1999-2002, International Business Machines Corporation and
   8  * others. All Rights Reserved.
   9  ***********************************************************************/
  10
  11 #include "unicode/translit.h"
  12 #include "unicode/rbt.h"
  13 #include "unicode/unistr.h"
  14 #include "unicode/calendar.h"
  15 #include "unicode/datefmt.h"
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18 #include "util.h"
  19 #include "unaccent.h"
  20
  21 // RuleBasedTransliterator rules to remove accents from characters
  22 // so they can be displayed as ASCIIx
  23 UnicodeString UNACCENT_RULES(
  24     "[\\u00C0-\\u00C5] > A;"
  25     "[\\u00C8-\\u00CB] > E;"
  26     "[\\u00CC-\\u00CF] > I;"
  27     "[\\u00E0-\\u00E5] > a;"
  28     "[\\u00E8-\\u00EB] > e;"
  29     "[\\u00EC-\\u00EF] > i;"
  30     );
  31
  32 int main(int argc, char **argv) {
  33
  34     Calendar *cal;
  35     DateFormat *fmt;
  36     DateFormat *defFmt;
  37     Transliterator *greek_latin;
  38     Transliterator *rbtUnaccent;
  39     Transliterator *unaccent;
  40     UErrorCode status = U_ZERO_ERROR;
  41     Locale greece("el", "GR");
  42     UnicodeString str, str2;
  43
  44     // Create a calendar in the Greek locale
  45     cal = Calendar::createInstance(greece, status);
  46     check(status, "Calendar::createInstance");
  47
  48     // Create a formatter
  49     fmt = DateFormat::createDateInstance(DateFormat::kFull, greece);
  50     fmt->setCalendar(*cal);
  51
  52     // Create a default formatter
  53     defFmt = DateFormat::createDateInstance(DateFormat::kFull);
  54     defFmt->setCalendar(*cal);
  55
  56     // Create a Greek-Latin Transliterator
  57     greek_latin = Transliterator::createInstance("Greek-Latin");
  58     if (greek_latin == 0) {
  59         printf("ERROR: Transliterator::createInstance() failed\n");
  60         exit(1);
  61     }
  62
  63     // Create a custom Transliterator
  64     rbtUnaccent = new RuleBasedTransliterator("RBTUnaccent",
  65                                               UNACCENT_RULES,
  66                                               UTRANS_FORWARD,
  67                                               status);
  68     check(status, "RuleBasedTransliterator::ct");
  69
  70     // Create a custom Transliterator
  71     unaccent = new UnaccentTransliterator();
  72
  73     // Loop over various months
  74     for (int32_t month = Calendar::JANUARY;
  75          month <= Calendar::DECEMBER;
  76          ++month) {
  77
  78         // Set the calendar to a date
  79         cal->clear();
  80         cal->set(1999, month, 4);
  81
  82         // Format the date in default locale
  83         str.remove();
  84         defFmt->format(cal->getTime(status), str, status);
  85         check(status, "DateFormat::format");
  86         printf("Date: ");
  87         uprintf(escape(str));
  88         printf("\n");
  89
  90         // Format the date for Greece
  91         str.remove();
  92         fmt->format(cal->getTime(status), str, status);
  93         check(status, "DateFormat::format");
  94         printf("Greek formatted date: ");
  95         uprintf(escape(str));
  96         printf("\n");
  97
  98         // Transliterate result
  99         greek_latin->transliterate(str);
 100         printf("Transliterated via Greek-Latin: ");
 101         uprintf(escape(str));
 102         printf("\n");
 103
 104         // Transliterate result
 105         str2 = str;
 106         rbtUnaccent->transliterate(str);
 107         printf("Transliterated via RBT unaccent: ");
 108         uprintf(escape(str));
 109         printf("\n");
 110
 111         unaccent->transliterate(str2);
 112         printf("Transliterated via normalizer unaccent: ");
 113         uprintf(escape(str2));
 114         printf("\n\n");
 115     }
 116
 117     // Clean up
 118     delete fmt;
 119     delete cal;
 120     delete greek_latin;
 121     delete unaccent;
 122     delete rbtUnaccent;
 123
 124     printf("Exiting successfully\n");
 125     return 0;
 126 }