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Direktori : /opt/alt/libicu/usr/share/doc/alt-libicu-devel-63.1/samples/legacy/ |
Current File : //opt/alt/libicu/usr/share/doc/alt-libicu-devel-63.1/samples/legacy/oldcol.cpp |
/* ******************************************************************************* * * © 2016 and later: Unicode, Inc. and others. * License & terms of use: http://www.unicode.org/copyright.html#License * ******************************************************************************* ******************************************************************************* * * Copyright (C) 2001-2005, International Business Machines * Corporation and others. All Rights Reserved. * ******************************************************************************* * file name: oldcol.cpp * encoding: UTF-8 * tab size: 8 (not used) * indentation:4 * * created on: 2001jul24 * created by: Vladimir Weinstein */ /****************************************************************************** * This is the module that uses old collation ******************************************************************************/ #include <stdio.h> #include <stdlib.h> #include <unicode/putil.h> #include <unicode/ucol.h> // Very simple example code - sticks a sortkey in the buffer // Not much error checking int32_t getSortKey_legacy(const char *locale, const UChar *string, int32_t sLen, uint8_t *buffer, int32_t bLen) { UErrorCode status = U_ZERO_ERROR; UCollator *coll = ucol_open(locale, &status); if(U_FAILURE(status)) { return -1; } int32_t result = ucol_getSortKey(coll, string, sLen, buffer, bLen); ucol_close(coll); return result; } // This one can be used for passing to qsort function // Not thread safe or anything static UCollator *compareCollator = NULL; int compare_legacy(const void *string1, const void *string2) { if(compareCollator != NULL) { UCollationResult res = ucol_strcoll(compareCollator, (UChar *) string1, -1, (UChar *) string2, -1); if(res == UCOL_LESS) { return -1; } else if(res == UCOL_GREATER) { return 1; } else { return 0; } } else { return 0; } } void initCollator_legacy(const char *locale) { UErrorCode status = U_ZERO_ERROR; compareCollator = ucol_open(locale, &status); if(U_FAILURE(status)) { fprintf(stderr, "initCollator_legacy(%s): error opening collator, %s!\n", locale, u_errorName(status)); fprintf(stderr, "Note: ICU data directory is %s\n", u_getDataDirectory()); fprintf(stderr, "Read the README!\n"); exit(0); } } void closeCollator_legacy(void) { if(compareCollator != NULL) { ucol_close(compareCollator); } else { fprintf(stderr, "closeCollator_legacy(): collator was already NULL!\n"); } compareCollator = NULL; } extern "C" void test_legacy(UChar data[][5], uint32_t size, uint32_t maxlen, uint8_t keys[4][32]) { uint32_t i = 0; int32_t keySize = 0; UVersionInfo uvi; u_getVersion(uvi); fprintf(stderr, "Entered legacy, version: [%d.%d.%d.%d]\nMoving to sortkeys\n", uvi[0], uvi[1], uvi[2], uvi[3]); for(i = 0; i<size; i++) { keySize = getSortKey_legacy("ja", data[i], -1, keys[i], 32); fprintf(stderr, "For i=%d, size of sortkey is %d\n", i, keySize); } fprintf(stderr, "Done sortkeys, doing qsort test\n"); initCollator_legacy("ja"); qsort(data, size, maxlen*sizeof(UChar), compare_legacy); closeCollator_legacy(); fprintf(stderr, "Done legacy!\n"); }