16f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/* 26f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org******************************************************************************* 36f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* 46f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* Copyright (C) 2000-2002, International Business Machines 56f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* Corporation and others. All Rights Reserved. 66f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* 76f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org******************************************************************************* 86f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* file name: ustring.c 96f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* encoding: US-ASCII 106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* tab size: 8 (not used) 116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* indentation:4 126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* 136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* created on: 2000aug15 146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* created by: Markus W. Scherer 156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* 166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* This file contains sample code that illustrates the use of Unicode strings 176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* with ICU. 186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org*/ 196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include <stdio.h> 216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/utypes.h" 226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/uchar.h" 236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/locid.h" 246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/ustring.h" 256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/ucnv.h" 266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/unistr.h" 276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#define LENGTHOF(array) (sizeof(array)/sizeof((array)[0])) 296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// helper functions -------------------------------------------------------- *** 316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// default converter for the platform encoding 336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UConverter *cnv=NULL; 346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic void 366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgprintUString(const char *announce, const UChar *s, int32_t length) { 376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org static char out[200]; 386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar32 c; 396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t i; 406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode errorCode=U_ZERO_ERROR; 416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* 436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * Convert to the "platform encoding". See notes in printUnicodeString(). 446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * ucnv_fromUChars(), like most ICU APIs understands length==-1 456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * to mean that the string is NUL-terminated. 466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ucnv_fromUChars(cnv, out, sizeof(out), s, length, &errorCode); 486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(errorCode) || errorCode==U_STRING_NOT_TERMINATED_WARNING) { 496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("%sproblem converting string from Unicode: %s\n", announce, u_errorName(errorCode)); 506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return; 516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("%s%s {", announce, out); 546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* output the code points (not code units) */ 566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(length>=0) { 576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* s is not NUL-terminated */ 586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=0; i<length; /* U16_NEXT post-increments */) { 596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT(s, i, length, c); 606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf(" %04x", c); 616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* s is NUL-terminated */ 646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=0; /* condition in loop body */; /* U16_NEXT post-increments */) { 656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT(s, i, length, c); 666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c==0) { 676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; 686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf(" %04x", c); 706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf(" }\n"); 736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic void 766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgprintUnicodeString(const char *announce, const UnicodeString &s) { 776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org static char out[200]; 786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t i, length; 796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // output the string, converted to the platform encoding 816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Note for Windows: The "platform encoding" defaults to the "ANSI codepage", 836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // which is different from the "OEM codepage" in the console window. 846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // However, if you pipe the output into a file and look at it with Notepad 856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // or similar, then "ANSI" characters will show correctly. 866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Production code should be aware of what encoding is required, 876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // and use a UConverter or at least a charset name explicitly. 886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org out[s.extract(0, 99, out)]=0; 896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("%s%s {", announce, out); 906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // output the code units (not code points) 926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length=s.length(); 936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=0; i<length; ++i) { 946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf(" %04x", s.charAt(i)); 956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf(" }\n"); 976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// sample code for utf.h macros -------------------------------------------- *** 1006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic void 1026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgdemo_utf_h_macros() { 1036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org static UChar input[]={ 0x0061, 0xd800, 0xdc00, 0xdbff, 0xdfff, 0x0062 }; 1046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar32 c; 1056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t i; 1066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool isError; 1076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("\n* demo_utf_h_macros() -------------- ***\n\n"); 1096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("iterate forward through: ", input, LENGTHOF(input)); 1116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=0; i<LENGTHOF(input); /* U16_NEXT post-increments */) { 1126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* Iterating forwards 1136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org Codepoint at offset 0: U+0061 1146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org Codepoint at offset 1: U+10000 1156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org Codepoint at offset 3: U+10ffff 1166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org Codepoint at offset 5: U+0062 1176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 1186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("Codepoint at offset %d: U+", i); 1196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT(input, i, LENGTHOF(input), c); 1206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("%04x\n", c); 1216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 1226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org puts(""); 1246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isError=FALSE; 1266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org i=1; /* write position, gets post-incremented so needs to be in an l-value */ 1276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_APPEND(input, i, LENGTHOF(input), 0x0062, isError); 1286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("iterate backward through: ", input, LENGTHOF(input)); 1306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=LENGTHOF(input); i>0; /* U16_PREV pre-decrements */) { 1316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_PREV(input, 0, i, c); 1326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* Iterating backwards 1336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org Codepoint at offset 5: U+0062 1346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org Codepoint at offset 3: U+10ffff 1356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org Codepoint at offset 2: U+dc00 -- unpaired surrogate because lead surr. overwritten 1366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org Codepoint at offset 1: U+0062 -- by this BMP code point 1376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org Codepoint at offset 0: U+0061 1386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 1396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("Codepoint at offset %d: U+%04x\n", i, c); 1406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 1416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 1426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// sample code for Unicode strings in C ------------------------------------ *** 1446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic void demo_C_Unicode_strings() { 1466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("\n* demo_C_Unicode_strings() --------- ***\n\n"); 1476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org static const UChar text[]={ 0x41, 0x42, 0x43, 0 }; /* "ABC" */ 1496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org static const UChar appendText[]={ 0x61, 0x62, 0x63, 0 }; /* "abc" */ 1506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org static const UChar cmpText[]={ 0x61, 0x53, 0x73, 0x43, 0 }; /* "aSsC" */ 1516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar buffer[32]; 1526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t compare; 1536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t length=u_strlen(text); /* length=3 */ 1546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* simple ANSI C-style functions */ 1566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org buffer[0]=0; /* empty, NUL-terminated string */ 1576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org u_strncat(buffer, text, 1); /* append just n=1 character ('A') */ 1586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org u_strcat(buffer, appendText); /* buffer=="Aabc" */ 1596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length=u_strlen(buffer); /* length=4 */ 1606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("should be \"Aabc\": ", buffer, -1); 1616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* bitwise comparing buffer with text */ 1636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org compare=u_strcmp(buffer, text); 1646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(compare<=0) { 1656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("String comparison error, expected \"Aabc\" > \"ABC\"\n"); 1666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 1676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* Build "A<sharp s>C" in the buffer... */ 1696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org u_strcpy(buffer, text); 1706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org buffer[1]=0xdf; /* sharp s, case-compares equal to "ss" */ 1716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("should be \"A<sharp s>C\": ", buffer, -1); 1726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* Compare two strings case-insensitively using full case folding */ 1746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org compare=u_strcasecmp(buffer, cmpText, U_FOLD_CASE_DEFAULT); 1756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(compare!=0) { 1766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("String case insensitive comparison error, expected \"AbC\" to be equal to \"ABC\"\n"); 1776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 1786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 1796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// sample code for case mappings with C APIs -------------------------------- *** 1816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic void demoCaseMapInC() { 1836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* 1846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * input= 1856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * "aB<capital sigma>" 1866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * "iI<small dotless i><capital dotted I> " 1876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * "<sharp s> <small lig. ffi>" 1886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * "<small final sigma><small sigma><capital sigma>" 1896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 1906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org static const UChar input[]={ 1916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 0x61, 0x42, 0x3a3, 1926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 0x69, 0x49, 0x131, 0x130, 0x20, 1936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 0xdf, 0x20, 0xfb03, 1946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 0x3c2, 0x3c3, 0x3a3, 0 1956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org }; 1966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar buffer[32]; 1976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode errorCode; 1996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar32 c; 2006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t i, j, length; 2016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool isError; 2026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("\n* demoCaseMapInC() ----------------- ***\n\n"); 2046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* 2066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * First, use simple case mapping functions which provide 2076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * 1:1 code point mappings without context/locale ID. 2086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * 2096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * Note that some mappings will not be "right" because some "real" 2106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * case mappings require context, depend on the locale ID, 2116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * and/or result in a change in the number of code points. 2126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 2136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("input string: ", input, -1); 2146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* uppercase */ 2166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isError=FALSE; 2176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=j=0; j<LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) { 2186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */ 2196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c==0) { 2206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; /* stop at terminating NUL, no need to terminate buffer */ 2216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org c=u_toupper(c); 2236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_APPEND(buffer, j, LENGTHOF(buffer), c, isError); 2246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("simple-uppercased: ", buffer, j); 2266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* lowercase */ 2276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isError=FALSE; 2286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=j=0; j<LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) { 2296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */ 2306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c==0) { 2316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; /* stop at terminating NUL, no need to terminate buffer */ 2326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org c=u_tolower(c); 2346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_APPEND(buffer, j, LENGTHOF(buffer), c, isError); 2356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("simple-lowercased: ", buffer, j); 2376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* titlecase */ 2386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isError=FALSE; 2396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=j=0; j<LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) { 2406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */ 2416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c==0) { 2426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; /* stop at terminating NUL, no need to terminate buffer */ 2436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org c=u_totitle(c); 2456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_APPEND(buffer, j, LENGTHOF(buffer), c, isError); 2466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("simple-titlecased: ", buffer, j); 2486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* case-fold/default */ 2496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isError=FALSE; 2506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=j=0; j<LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) { 2516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */ 2526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c==0) { 2536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; /* stop at terminating NUL, no need to terminate buffer */ 2546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org c=u_foldCase(c, U_FOLD_CASE_DEFAULT); 2566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_APPEND(buffer, j, LENGTHOF(buffer), c, isError); 2576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("simple-case-folded/default: ", buffer, j); 2596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* case-fold/Turkic */ 2606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isError=FALSE; 2616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=j=0; j<LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) { 2626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */ 2636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c==0) { 2646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; /* stop at terminating NUL, no need to terminate buffer */ 2656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org c=u_foldCase(c, U_FOLD_CASE_EXCLUDE_SPECIAL_I); 2676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_APPEND(buffer, j, LENGTHOF(buffer), c, isError); 2686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("simple-case-folded/Turkic: ", buffer, j); 2706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* 2726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * Second, use full case mapping functions which provide 2736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * 1:n code point mappings (n can be 0!) and are sensitive to context and locale ID. 2746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * 2756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * Note that lower/upper/titlecasing take a locale ID while case-folding 2766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * has bit flag options instead, by design of the Unicode SpecialCasing.txt UCD file. 2776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * 2786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * Also, string titlecasing requires a BreakIterator to find starts of words. 2796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * The sample code here passes in a NULL pointer; u_strToTitle() will open and close a default 2806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * titlecasing BreakIterator automatically. 2816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * For production code where many strings are titlecased it would be more efficient 2826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * to open a BreakIterator externally and pass it in. 2836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 2846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("\ninput string: ", input, -1); 2856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* lowercase/English */ 2876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_ZERO_ERROR; 2886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length=u_strToLower(buffer, LENGTHOF(buffer), input, -1, "en", &errorCode); 2896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_SUCCESS(errorCode)) { 2906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("full-lowercased/en: ", buffer, length); 2916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 2926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("error in u_strToLower(en)=%ld error=%s\n", length, u_errorName(errorCode)); 2936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* lowercase/Turkish */ 2956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_ZERO_ERROR; 2966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length=u_strToLower(buffer, LENGTHOF(buffer), input, -1, "tr", &errorCode); 2976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_SUCCESS(errorCode)) { 2986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("full-lowercased/tr: ", buffer, length); 2996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 3006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("error in u_strToLower(tr)=%ld error=%s\n", length, u_errorName(errorCode)); 3016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* uppercase/English */ 3036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_ZERO_ERROR; 3046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length=u_strToUpper(buffer, LENGTHOF(buffer), input, -1, "en", &errorCode); 3056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_SUCCESS(errorCode)) { 3066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("full-uppercased/en: ", buffer, length); 3076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 3086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("error in u_strToUpper(en)=%ld error=%s\n", length, u_errorName(errorCode)); 3096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* uppercase/Turkish */ 3116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_ZERO_ERROR; 3126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length=u_strToUpper(buffer, LENGTHOF(buffer), input, -1, "tr", &errorCode); 3136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_SUCCESS(errorCode)) { 3146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("full-uppercased/tr: ", buffer, length); 3156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 3166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("error in u_strToUpper(tr)=%ld error=%s\n", length, u_errorName(errorCode)); 3176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* titlecase/English */ 3196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_ZERO_ERROR; 3206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length=u_strToTitle(buffer, LENGTHOF(buffer), input, -1, NULL, "en", &errorCode); 3216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_SUCCESS(errorCode)) { 3226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("full-titlecased/en: ", buffer, length); 3236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 3246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("error in u_strToTitle(en)=%ld error=%s\n", length, u_errorName(errorCode)); 3256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* titlecase/Turkish */ 3276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_ZERO_ERROR; 3286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length=u_strToTitle(buffer, LENGTHOF(buffer), input, -1, NULL, "tr", &errorCode); 3296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_SUCCESS(errorCode)) { 3306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("full-titlecased/tr: ", buffer, length); 3316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 3326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("error in u_strToTitle(tr)=%ld error=%s\n", length, u_errorName(errorCode)); 3336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* case-fold/default */ 3356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_ZERO_ERROR; 3366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length=u_strFoldCase(buffer, LENGTHOF(buffer), input, -1, U_FOLD_CASE_DEFAULT, &errorCode); 3376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_SUCCESS(errorCode)) { 3386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("full-case-folded/default: ", buffer, length); 3396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 3406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("error in u_strFoldCase(default)=%ld error=%s\n", length, u_errorName(errorCode)); 3416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* case-fold/Turkic */ 3436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_ZERO_ERROR; 3446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length=u_strFoldCase(buffer, LENGTHOF(buffer), input, -1, U_FOLD_CASE_EXCLUDE_SPECIAL_I, &errorCode); 3456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_SUCCESS(errorCode)) { 3466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUString("full-case-folded/Turkic: ", buffer, length); 3476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 3486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("error in u_strFoldCase(Turkic)=%ld error=%s\n", length, u_errorName(errorCode)); 3496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 3516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// sample code for case mappings with C++ APIs ------------------------------ *** 3536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic void demoCaseMapInCPlusPlus() { 3556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* 3566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * input= 3576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * "aB<capital sigma>" 3586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * "iI<small dotless i><capital dotted I> " 3596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * "<sharp s> <small lig. ffi>" 3606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * "<small final sigma><small sigma><capital sigma>" 3616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 3626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org static const UChar input[]={ 3636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 0x61, 0x42, 0x3a3, 3646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 0x69, 0x49, 0x131, 0x130, 0x20, 3656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 0xdf, 0x20, 0xfb03, 3666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 0x3c2, 0x3c3, 0x3a3, 0 3676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org }; 3686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("\n* demoCaseMapInCPlusPlus() --------- ***\n\n"); 3706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString s(input), t; 3726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const Locale &en=Locale::getEnglish(); 3736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org Locale tr("tr"); 3746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* 3766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * Full case mappings as in demoCaseMapInC(), using UnicodeString functions. 3776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * These functions modify the string object itself. 3786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * Since we want to keep the input string around, we copy it each time 3796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * and case-map the copy. 3806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 3816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("input string: ", s); 3826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* lowercase/English */ 3846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("full-lowercased/en: ", (t=s).toLower(en)); 3856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* lowercase/Turkish */ 3866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("full-lowercased/tr: ", (t=s).toLower(tr)); 3876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* uppercase/English */ 3886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("full-uppercased/en: ", (t=s).toUpper(en)); 3896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* uppercase/Turkish */ 3906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("full-uppercased/tr: ", (t=s).toUpper(tr)); 3916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* titlecase/English */ 3926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("full-titlecased/en: ", (t=s).toTitle(NULL, en)); 3936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* titlecase/Turkish */ 3946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("full-titlecased/tr: ", (t=s).toTitle(NULL, tr)); 3956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* case-folde/default */ 3966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("full-case-folded/default: ", (t=s).foldCase(U_FOLD_CASE_DEFAULT)); 3976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* case-folde/Turkic */ 3986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("full-case-folded/Turkic: ", (t=s).foldCase(U_FOLD_CASE_EXCLUDE_SPECIAL_I)); 3996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 4006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// sample code for UnicodeString storage models ----------------------------- *** 4026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic const UChar readonly[]={ 4046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 0x61, 0x31, 0x20ac 4056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org}; 4066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UChar writeable[]={ 4076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 0x62, 0x32, 0xdbc0, 0xdc01 // includes a surrogate pair for a supplementary code point 4086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org}; 4096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic char out[100]; 4106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic void 4126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgdemoUnicodeStringStorage() { 4136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // These sample code lines illustrate how to use UnicodeString, and the 4146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // comments tell what happens internally. There are no APIs to observe 4156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // most of this programmatically, except for stepping into the code 4166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // with a debugger. 4176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // This is by design to hide such details from the user. 4186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t i; 4196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("\n* demoUnicodeStringStorage() ------- ***\n\n"); 4216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // * UnicodeString with internally stored contents 4236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // instantiate a UnicodeString from a single code point 4246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // the few (2) UChars will be stored in the object itself 4256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString one((UChar32)0x24001); 4266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // this copies the few UChars into the "two" object 4276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString two=one; 4286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("length of short string copy: %d\n", two.length()); 4296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // set "one" to contain the 3 UChars from readonly 4306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // this setTo() variant copies the characters 4316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org one.setTo(readonly, LENGTHOF(readonly)); 4326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // * UnicodeString with allocated contents 4346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // build a longer string that will not fit into the object's buffer 4356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org one+=UnicodeString(writeable, LENGTHOF(writeable)); 4366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org one+=one; 4376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org one+=one; 4386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("length of longer string: %d\n", one.length()); 4396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // copying will use the same allocated buffer and increment the reference 4406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // counter 4416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org two=one; 4426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("length of longer string copy: %d\n", two.length()); 4436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // * UnicodeString using readonly-alias to a const UChar array 4456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // construct a string that aliases a readonly buffer 4466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString three(FALSE, readonly, LENGTHOF(readonly)); 4476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("readonly-alias string: ", three); 4486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // copy-on-write: any modification to the string results in 4496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // a copy to either the internal buffer or to a newly allocated one 4506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org three.setCharAt(1, 0x39); 4516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("readonly-aliasing string after modification: ", three); 4526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // the aliased array is not modified 4536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=0; i<three.length(); ++i) { 4546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("readonly buffer[%d] after modifying its string: 0x%lx\n", 4556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org i, readonly[i]); 4566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // setTo() readonly alias 4586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org one.setTo(FALSE, writeable, LENGTHOF(writeable)); 4596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // copying the readonly-alias object with fastCopyFrom() (new in ICU 2.4) 4606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // will readonly-alias the same buffer 4616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org two.fastCopyFrom(one); 4626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("fastCopyFrom(readonly alias of \"writeable\" array): ", two); 4636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("verify that a fastCopyFrom(readonly alias) uses the same buffer pointer: %d (should be 1)\n", 4646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org one.getBuffer()==two.getBuffer()); 4656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // a normal assignment will clone the contents (new in ICU 2.4) 4666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org two=one; 4676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("verify that a regular copy of a readonly alias uses a different buffer pointer: %d (should be 0)\n", 4686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org one.getBuffer()==two.getBuffer()); 4696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // * UnicodeString using writeable-alias to a non-const UChar array 4716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString four(writeable, LENGTHOF(writeable), LENGTHOF(writeable)); 4726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("writeable-alias string: ", four); 4736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // a modification writes through to the buffer 4746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org four.setCharAt(1, 0x39); 4756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=0; i<four.length(); ++i) { 4766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("writeable-alias backing buffer[%d]=0x%lx " 4776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "after modification\n", i, writeable[i]); 4786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // a copy will not alias any more; 4806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // instead, it will get a copy of the contents into allocated memory 4816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org two=four; 4826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org two.setCharAt(1, 0x21); 4836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=0; i<two.length(); ++i) { 4846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("writeable-alias backing buffer[%d]=0x%lx after " 4856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "modification of string copy\n", i, writeable[i]); 4866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // setTo() writeable alias, capacity==length 4886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org one.setTo(writeable, LENGTHOF(writeable), LENGTHOF(writeable)); 4896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // grow the string - it will not fit into the backing buffer any more 4906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // and will get copied before modification 4916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org one.append((UChar)0x40); 4926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // shrink it back so it would fit 4936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org one.truncate(one.length()-1); 4946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // we still operate on the copy 4956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org one.setCharAt(1, 0x25); 4966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("string after growing too much and then shrinking[1]=0x%lx\n" 4976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org " backing store for this[1]=0x%lx\n", 4986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org one.charAt(1), writeable[1]); 4996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // if we need it in the original buffer, then extract() to it 5006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // extract() does not do anything if the string aliases that same buffer 5016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // i=min(one.length(), length of array) 5026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(one.length()<LENGTHOF(writeable)) { 5036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org i=one.length(); 5046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 5056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org i=LENGTHOF(writeable); 5066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org one.extract(0, i, writeable); 5086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=0; i<LENGTHOF(writeable); ++i) { 5096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("writeable-alias backing buffer[%d]=0x%lx after re-extract\n", 5106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org i, writeable[i]); 5116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 5136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// sample code for UnicodeString instantiations ----------------------------- *** 5156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic void 5176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgdemoUnicodeStringInit() { 5186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // *** Make sure to read about invariant characters in utypes.h! *** 5196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Initialization of Unicode strings from C literals works _only_ for 5206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // invariant characters! 5216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("\n* demoUnicodeStringInit() ---------- ***\n\n"); 5236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // the string literal is 32 chars long - this must be counted for the macro 5256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString invariantOnly=UNICODE_STRING("such characters are safe 123 %-.", 32); 5266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* 5286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * In C, we need two macros: one to declare the UChar[] array, and 5296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * one to populate it; the second one is a noop on platforms where 5306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * wchar_t is compatible with UChar and ASCII-based. 5316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * The length of the string literal must be counted for both macros. 5326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 5336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* declare the invString array for the string */ 5346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U_STRING_DECL(invString, "such characters are safe 123 %-.", 32); 5356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* populate it with the characters */ 5366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U_STRING_INIT(invString, "such characters are safe 123 %-.", 32); 5376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // compare the C and C++ strings 5396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("C and C++ Unicode strings are equal: %d\n", invariantOnly==UnicodeString(TRUE, invString, 32)); 5406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* 5426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * convert between char * and UChar * strings that 5436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * contain only invariant characters 5446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 5456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org static const char *cs1="such characters are safe 123 %-."; 5466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org static UChar us1[40]; 5476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org static char cs2[40]; 5486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org u_charsToUChars(cs1, us1, 33); /* include the terminating NUL */ 5496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org u_UCharsToChars(us1, cs2, 33); 5506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("char * -> UChar * -> char * with only " 5516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "invariant characters: \"%s\"\n", 5526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org cs2); 5536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // initialize a UnicodeString from a string literal that contains 5556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // escape sequences written with invariant characters 5566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // do not forget to duplicate the backslashes for ICU to see them 5576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // then, count each double backslash only once! 5586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString german=UNICODE_STRING( 5596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "Sch\\u00f6nes Auto: \\u20ac 11240.\\fPrivates Zeichen: \\U00102345\\n", 64). 5606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org unescape(); 5616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("german UnicodeString from unescaping:\n ", german); 5626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* 5646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * C: convert and unescape a char * string with only invariant 5656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * characters to fill a UChar * string 5666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 5676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar buffer[200]; 5686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t length; 5696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length=u_unescape( 5706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "Sch\\u00f6nes Auto: \\u20ac 11240.\\fPrivates Zeichen: \\U00102345\\n", 5716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org buffer, LENGTHOF(buffer)); 5726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printf("german C Unicode string from char * unescaping: (length %d)\n ", length); 5736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org printUnicodeString("", UnicodeString(buffer)); 5746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 5756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgextern int 5776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgmain(int argc, const char *argv[]) { 5786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode errorCode=U_ZERO_ERROR; 5796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Note: Using a global variable for any object is not exactly thread-safe... 5816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // You can change this call to e.g. ucnv_open("UTF-8", &errorCode) if you pipe 5836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // the output to a file and look at it with a Unicode-capable editor. 5846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // This will currently affect only the printUString() function, see the code above. 5856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // printUnicodeString() could use this, too, by changing to an extract() overload 5866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // that takes a UConverter argument. 5876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org cnv=ucnv_open(NULL, &errorCode); 5886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(errorCode)) { 5896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org fprintf(stderr, "error %s opening the default converter\n", u_errorName(errorCode)); 5906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return errorCode; 5916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ucnv_setFromUCallBack(cnv, UCNV_FROM_U_CALLBACK_ESCAPE, UCNV_ESCAPE_C, NULL, NULL, &errorCode); 5946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(errorCode)) { 5956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org fprintf(stderr, "error %s setting the escape callback in the default converter\n", u_errorName(errorCode)); 5966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ucnv_close(cnv); 5976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return errorCode; 5986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org demo_utf_h_macros(); 6016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org demo_C_Unicode_strings(); 6026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org demoCaseMapInC(); 6036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org demoCaseMapInCPlusPlus(); 6046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org demoUnicodeStringStorage(); 6056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org demoUnicodeStringInit(); 6066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ucnv_close(cnv); 6086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 6096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 610