1 /* 2 ******************************************************************************* 3 * 4 * Copyright (C) 2003-2004, International Business Machines 5 * Corporation and others. All Rights Reserved. 6 * 7 **** 8 * 9 * Case folding examples, in C 10 * 11 ******************************************************************************* 12 */ 13 14 #include "unicode/uchar.h" 15 #include "unicode/ustring.h" 16 #include "unicode/utypes.h" 17 #include "unicode/ustdio.h" 18 19 /* Note: don't use 'k' or 'K' because we might be on EBCDIC */ 20 21 int c_main(UFILE *out) 22 { 23 UChar32 ch; 24 UErrorCode errorCode = U_ZERO_ERROR; 25 static const UChar upper[] = {0x61, 0x42, 0x49, 0}; /* upper = "aBI" */ 26 static const UChar lower[] = {0x61, 0x42, 0x69, 0}; /* lower = "abi" */ 27 /* unfold = "aB LATIN SMALL LETTER DOTLESS I" */ 28 static const UChar unfold[] = {0x61, 0x42, 0x131, 0} ; 29 UChar buffer[32]; 30 const UChar char_k = 0x006b; /* 'k' */ 31 const UChar char_K = 0x004b; /* 'K' */ 32 33 int length; 34 35 printf("** C Case Mapping Sample\n"); 36 37 /* uchar.h APIs, single character case mapping */ 38 ch = u_toupper(char_k); /* ch = 'K' */ 39 u_fprintf(out, "toupper(%C) = %C\n", char_k, ch); 40 ch = u_tolower(ch); /* ch = 'k' */ 41 u_fprintf(out, "tolower() = %C\n", ch); 42 ch = u_totitle(char_k); /* ch = 'K' */ 43 u_fprintf(out, "totitle(%C) = %C\n", char_k, ch); 44 ch = u_foldCase(char_K, U_FOLD_CASE_DEFAULT); /* ch = 'k' */ 45 u_fprintf(out, "u_foldCase(%C, U_FOLD_CASE_DEFAULT) = %C\n", char_K, (UChar) ch); 46 47 /* ustring.h APIs, UChar * string case mapping with a Turkish locale */ 48 /* result buffer = "ab?" latin small letter a, latin small letter b, latin 49 small letter dotless i */ 50 length = u_strToLower(buffer, sizeof(buffer)/sizeof(buffer[0]), upper, 51 sizeof(upper)/sizeof(upper[0]), "tr", &errorCode); 52 if(U_FAILURE(errorCode) || buffer[length]!=0) { 53 u_fprintf(out, "error in u_strToLower(Turkish locale)=%ld error=%s\n", length, 54 u_errorName(errorCode)); 55 } 56 57 u_fprintf(out, "u_strToLower(%S, turkish) -> %S\n", upper, buffer); 58 59 60 /* ustring.h APIs, UChar * string case mapping with a Engish locale */ 61 /* result buffer = "ABI" latin CAPITAL letter A, latin capital letter B, 62 latin capital letter I */ 63 length = u_strToUpper(buffer, sizeof(buffer)/sizeof(buffer[0]), upper, 64 sizeof(upper)/sizeof(upper[0]), "en", &errorCode); 65 if(U_FAILURE(errorCode) || buffer[length]!=0) { 66 u_fprintf(out, "error in u_strToLower(English locale)=%ld error=%s\n", length, 67 u_errorName(errorCode)); 68 } 69 u_fprintf(out, "u_strToUpper(%S, english) -> %S\n", lower, buffer); 70 71 72 /* ustring.h APIs, UChar * string case folding */ 73 /* result buffer = "abi" */ 74 length = u_strFoldCase(buffer, sizeof(buffer)/sizeof(buffer[0]), unfold, 75 sizeof(unfold)/sizeof(unfold[0]), U_FOLD_CASE_DEFAULT, 76 &errorCode); 77 if(U_FAILURE(errorCode) || buffer[length]!=0) { 78 u_fprintf(out, "error in u_strFoldCase()=%ld error=%s\n", length, 79 u_errorName(errorCode)); 80 } 81 u_fprintf(out, "u_strFoldCase(%S, U_FOLD_CASE_DEFAULT) -> %S\n", unfold, buffer); 82 u_fprintf(out, "\n** end of C sample\n"); 83 84 return 0; 85 } 86
