source/samples/translit/answers/main_3.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     UErrorCode status = U_ZERO_ERROR;
  40     Locale greece("el", "GR");
  41     UnicodeString str, str2;
  42
  43     // Create a calendar in the Greek locale
  44     cal = Calendar::createInstance(greece, status);
  45     check(status, "Calendar::createInstance");
  46
  47     // Create a formatter
  48     fmt = DateFormat::createDateInstance(DateFormat::kFull, greece);
  49     fmt->setCalendar(*cal);
  50
  51     // Create a default formatter
  52     defFmt = DateFormat::createDateInstance(DateFormat::kFull);
  53     defFmt->setCalendar(*cal);
  54
  55     // Create a Greek-Latin Transliterator
  56     greek_latin = Transliterator::createInstance("Greek-Latin");
  57     if (greek_latin == 0) {
  58         printf("ERROR: Transliterator::createInstance() failed\n");
  59         exit(1);
  60     }
  61
  62     // Create a custom Transliterator
  63     rbtUnaccent = new RuleBasedTransliterator("RBTUnaccent",
  64                                               UNACCENT_RULES,
  65                                               UTRANS_FORWARD,
  66                                               status);
  67     check(status, "RuleBasedTransliterator::ct");
  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\n");
 106     }
 107
 108     // Clean up
 109     delete fmt;
 110     delete cal;
 111     delete greek_latin;
 112     delete rbtUnaccent;
 113
 114     printf("Exiting successfully\n");
 115     return 0;
 116 }