icuSources/samples/props/props.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) 2000, International Business Machines
  11 *   Corporation and others.  All Rights Reserved.
  12 *
  13 *******************************************************************************
  14 *   file name:  props.cpp
  15 *   encoding:   UTF-8
  16 *   tab size:   8 (not used)
  17 *   indentation:4
  18 *
  19 *   created on: 2000sep22
  20 *   created by: Markus W. Scherer
  21 *
  22 *   This file contains sample code that illustrates the use of the ICU APIs
  23 *   for Unicode character properties.
  24 */
  25
  26 #define __STDC_FORMAT_MACROS 1
  27 #include <inttypes.h>
  28
  29 #include <stdio.h>
  30 #include "unicode/utypes.h"
  31 #include "unicode/uchar.h"
  32 #include "unicode/uclean.h"
  33
  34 static void
  35 printProps(UChar32 codePoint) {
  36     char buffer[100];
  37     UErrorCode errorCode;
  38
  39     /* get the character name */
  40     errorCode=U_ZERO_ERROR;
  41     u_charName(codePoint, U_UNICODE_CHAR_NAME, buffer, sizeof(buffer), &errorCode);
  42
  43     /* print the code point and the character name */
  44     printf("U+%04" PRId32 "\t%s\n", codePoint, buffer);
  45
  46     /* print some properties */
  47     printf("  general category (numeric enum value): %u\n", u_charType(codePoint));
  48
  49     /* note: these APIs do not provide the data from SpecialCasing.txt */
  50     printf("  is lowercase: %d  uppercase: U+%04" PRId32 "\n", u_islower(codePoint), u_toupper(codePoint));
  51
  52     printf("  is digit: %d  decimal digit value: %d\n", u_isdigit(codePoint), u_charDigitValue(codePoint));
  53
  54     printf("  BiDi directional category (numeric enum value): %u\n", u_charDirection(codePoint));
  55 }
  56
  57 /* Note: In ICU 2.0, the Unicode class is deprecated - it is a pure wrapper around the C APIs above. */
  58
  59 extern int
  60 main(int argc, const char *argv[]) {
  61     static const UChar32
  62     codePoints[]={
  63         0xd, 0x20, 0x2d, 0x35, 0x65, 0x284, 0x665, 0x5678, 0x23456, 0x10317, 0x1D01F, 0x10fffd
  64     };
  65     int i;
  66
  67     for(i=0; i<sizeof(codePoints)/sizeof(codePoints[0]); ++i) {
  68         printProps(codePoints[i]);
  69         puts("");
  70     }
  71
  72     u_cleanup();
  73     return 0;
  74 }