102 lines
2.8 KiB
C++
102 lines
2.8 KiB
C++
/*
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******************************************************************************
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* Copyright (C) 1997-2001, International Business Machines
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* Corporation and others. All Rights Reserved.
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******************************************************************************
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* Date Name Description
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* 03/22/00 aliu Creation.
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* 07/06/01 aliu Modified to support int32_t keys on
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* platforms with sizeof(void*) < 32.
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******************************************************************************
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*/
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#include "uhash.h"
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#include "hash.h"
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#include "uvector.h"
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#include "unicode/unistr.h"
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#include "unicode/uchar.h"
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U_NAMESPACE_BEGIN
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const char Hashtable::fgClassID=0;
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U_NAMESPACE_END
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/********************************************************************
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* PUBLIC UnicodeString support functions for UHashtable
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********************************************************************/
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U_CAPI int32_t U_EXPORT2
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uhash_hashUnicodeString(const UHashTok key) {
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U_NAMESPACE_USE
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const UnicodeString *str = (const UnicodeString*) key.pointer;
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return (str == NULL) ? 0 : str->hashCode();
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}
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U_CAPI int32_t U_EXPORT2
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uhash_hashCaselessUnicodeString(const UHashTok key) {
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U_NAMESPACE_USE
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const UnicodeString *str = (const UnicodeString*) key.pointer;
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if (str == NULL) {
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return 0;
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}
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// Inefficient; a better way would be to have a hash function in
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// UnicodeString that does case folding on the fly.
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UnicodeString copy(*str);
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return copy.foldCase().hashCode();
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}
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U_CAPI void U_EXPORT2
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uhash_deleteUnicodeString(void *obj) {
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U_NAMESPACE_USE
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delete (UnicodeString*) obj;
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}
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U_CAPI UBool U_EXPORT2
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uhash_compareUnicodeString(const UHashTok key1, const UHashTok key2) {
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U_NAMESPACE_USE
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const UnicodeString *str1 = (const UnicodeString*) key1.pointer;
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const UnicodeString *str2 = (const UnicodeString*) key2.pointer;
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if (str1 == str2) {
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return TRUE;
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}
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if (str1 == NULL || str2 == NULL) {
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return FALSE;
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}
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return *str1 == *str2;
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}
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U_CAPI UBool U_EXPORT2
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uhash_compareCaselessUnicodeString(const UHashTok key1, const UHashTok key2) {
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U_NAMESPACE_USE
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const UnicodeString *str1 = (const UnicodeString*) key1.pointer;
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const UnicodeString *str2 = (const UnicodeString*) key2.pointer;
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if (str1 == str2) {
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return TRUE;
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}
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if (str1 == NULL || str2 == NULL) {
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return FALSE;
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}
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return str1->caseCompare(*str2, U_FOLD_CASE_DEFAULT) == 0;
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}
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/**
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* Deleter for Hashtable objects.
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*/
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U_CAPI void U_EXPORT2
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uhash_deleteHashtable(void *obj) {
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U_NAMESPACE_USE
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delete (Hashtable*) obj;
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}
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/**
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* Deleter for UVector objects.
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*/
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U_CAPI void U_EXPORT2
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uhash_deleteUVector(void *obj) {
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U_NAMESPACE_USE
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delete (UVector*) obj;
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}
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//eof
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