source/samples/translit/main.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) 1999-2003, 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     UParseError pError;
  41     UErrorCode status = U_ZERO_ERROR;
  42     Locale greece("el", "GR");
  43     UnicodeString str, str2;
  44
  45     // Create a calendar in the Greek locale
  46     cal = Calendar::createInstance(greece, status);
  47     check(status, "Calendar::createInstance");
  48
  49     // Create a formatter
  50     fmt = DateFormat::createDateInstance(DateFormat::kFull, greece);
  51     fmt->setCalendar(*cal);
  52
  53     // Create a default formatter
  54     defFmt = DateFormat::createDateInstance(DateFormat::kFull);
  55     defFmt->setCalendar(*cal);
  56
  57     // Create a Greek-Latin Transliterator
  58     greek_latin = Transliterator::createInstance("Greek-Latin", UTRANS_FORWARD, status);
  59     if (greek_latin == 0) {
  60         printf("ERROR: Transliterator::createInstance() failed\n");
  61         exit(1);
  62     }
  63
  64     // Create a custom Transliterator
  65     rbtUnaccent = Transliterator::createFromRules("RBTUnaccent",
  66                                                   UNACCENT_RULES,
  67                                                   UTRANS_FORWARD,
  68                                                   pError,
  69                                                   status);
  70     check(status, "Transliterator::createFromRules");
  71
  72     // Create a custom Transliterator
  73     unaccent = new UnaccentTransliterator();
  74
  75     // Loop over various months
  76     for (int32_t month = Calendar::JANUARY;
  77          month <= Calendar::DECEMBER;
  78          ++month) {
  79
  80         // Set the calendar to a date
  81         cal->clear();
  82         cal->set(1999, month, 4);
  83
  84         // Format the date in default locale
  85         str.remove();
  86         defFmt->format(cal->getTime(status), str, status);
  87         check(status, "DateFormat::format");
  88         printf("Date: ");
  89         uprintf(escape(str));
  90         printf("\n");
  91
  92         // Format the date for Greece
  93         str.remove();
  94         fmt->format(cal->getTime(status), str, status);
  95         check(status, "DateFormat::format");
  96         printf("Greek formatted date: ");
  97         uprintf(escape(str));
  98         printf("\n");
  99
 100         // Transliterate result
 101         greek_latin->transliterate(str);
 102         printf("Transliterated via Greek-Latin: ");
 103         uprintf(escape(str));
 104         printf("\n");
 105
 106         // Transliterate result
 107         str2 = str;
 108         rbtUnaccent->transliterate(str);
 109         printf("Transliterated via RBT unaccent: ");
 110         uprintf(escape(str));
 111         printf("\n");
 112
 113         unaccent->transliterate(str2);
 114         printf("Transliterated via normalizer unaccent: ");
 115         uprintf(escape(str2));
 116         printf("\n\n");
 117     }
 118
 119     // Clean up
 120     delete fmt;
 121     delete cal;
 122     delete greek_latin;
 123     delete unaccent;
 124     delete rbtUnaccent;
 125
 126     printf("Exiting successfully\n");
 127     return 0;
 128 }