icuSources/common/uhash_us.cpp

   1 /*
   2 ******************************************************************************
   3 *   Copyright (C) 1997-2004, International Business Machines
   4 *   Corporation and others.  All Rights Reserved.
   5 ******************************************************************************
   6 *   Date        Name        Description
   7 *   03/22/00    aliu        Creation.
   8 *   07/06/01    aliu        Modified to support int32_t keys on
   9 *                           platforms with sizeof(void*) < 32.
  10 ******************************************************************************
  11 */
  12
  13 #include "uhash.h"
  14 #include "hash.h"
  15 #include "uvector.h"
  16 #include "unicode/unistr.h"
  17 #include "unicode/uchar.h"
  18
  19 /********************************************************************
  20  * PUBLIC UnicodeString support functions for UHashtable
  21  ********************************************************************/
  22
  23 U_CAPI int32_t U_EXPORT2
  24 uhash_hashUnicodeString(const UHashTok key) {
  25     U_NAMESPACE_USE
  26     const UnicodeString *str = (const UnicodeString*) key.pointer;
  27     return (str == NULL) ? 0 : str->hashCode();
  28 }
  29
  30 U_CAPI void U_EXPORT2
  31 uhash_deleteUnicodeString(void *obj) {
  32     U_NAMESPACE_USE
  33     delete (UnicodeString*) obj;
  34 }
  35
  36 U_CAPI UBool U_EXPORT2
  37 uhash_compareUnicodeString(const UHashTok key1, const UHashTok key2) {
  38     U_NAMESPACE_USE
  39     const UnicodeString *str1 = (const UnicodeString*) key1.pointer;
  40     const UnicodeString *str2 = (const UnicodeString*) key2.pointer;
  41     if (str1 == str2) {
  42         return TRUE;
  43     }
  44     if (str1 == NULL || str2 == NULL) {
  45         return FALSE;
  46     }
  47     return *str1 == *str2;
  48 }
  49
  50 /**
  51  * Deleter for Hashtable objects.
  52  */
  53 U_CAPI void U_EXPORT2
  54 uhash_deleteHashtable(void *obj) {
  55     U_NAMESPACE_USE
  56     delete (Hashtable*) obj;
  57 }
  58
  59 /**
  60  * Deleter for UVector objects.
  61  */
  62 U_CAPI void U_EXPORT2
  63 uhash_deleteUVector(void *obj) {
  64     U_NAMESPACE_USE
  65     delete (UVector*) obj;
  66 }
  67
  68 //eof