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 #include <stdio.h>
  27 #include "unicode/utypes.h"
  28 #include "unicode/uchar.h"
  29 #include "unicode/uclean.h"
  30
  31 static void
  32 printProps(UChar32 codePoint) {
  33     char buffer[100];
  34     UErrorCode errorCode;
  35
  36     /* get the character name */
  37     errorCode=U_ZERO_ERROR;
  38     u_charName(codePoint, U_UNICODE_CHAR_NAME, buffer, sizeof(buffer), &errorCode);
  39
  40     /* print the code point and the character name */
  41     printf("U+%04lx\t%s\n", codePoint, buffer);
  42
  43     /* print some properties */
  44     printf("  general category (numeric enum value): %u\n", u_charType(codePoint));
  45
  46     /* note: these APIs do not provide the data from SpecialCasing.txt */
  47     printf("  is lowercase: %d  uppercase: U+%04lx\n", u_islower(codePoint), u_toupper(codePoint));
  48
  49     printf("  is digit: %d  decimal digit value: %d\n", u_isdigit(codePoint), u_charDigitValue(codePoint));
  50
  51     printf("  BiDi directional category (numeric enum value): %u\n", u_charDirection(codePoint));
  52 }
  53
  54 /* Note: In ICU 2.0, the Unicode class is deprecated - it is a pure wrapper around the C APIs above. */
  55
  56 extern int
  57 main(int argc, const char *argv[]) {
  58     static const UChar32
  59     codePoints[]={
  60         0xd, 0x20, 0x2d, 0x35, 0x65, 0x284, 0x665, 0x5678, 0x23456, 0x10317, 0x1D01F, 0x10fffd
  61     };
  62     int i;
  63
  64     for(i=0; i<sizeof(codePoints)/sizeof(codePoints[0]); ++i) {
  65         printProps(codePoints[i]);
  66         puts("");
  67     }
  68
  69     u_cleanup();
  70     return 0;
  71 }