setGetHashTable.c File Reference

#include <string.h>
#include "setGetHashTable.h"
#include "MALLOC.h"

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Functions
static unsigned int	setGetHashTableHash (void *key)
static int	setGetHashTableEqualKeys (void *k1, void *k2)
GetPropertyHashTable *	createGetHashTable (void)
void	destroyGetHashTable (GetPropertyHashTable *hashTable)
getPropertyFunc	searchGetHashtable (GetPropertyHashTable *hashTable, char *key)
int	insertGetHashtable (GetPropertyHashTable *hashTable, char *key, getPropertyFunc value)
SetPropertyHashTable *	createSetHashTable (void)
void	destroySetHashTable (SetPropertyHashTable *hashTable)
setPropertyFunc	searchSetHashtable (SetPropertyHashTable *hashTable, char *key)
int	insertSetHashtable (SetPropertyHashTable *hashTable, char *key, setPropertyFunc value)

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Function Documentation

GetPropertyHashTable* createGetHashTable

(

void

)

Create a new hashTable of get functions

Definition at line 42 of file setGetHashTable.c.

References create_hashtable(), setGetHashTableEqualKeys(), and setGetHashTableHash().

Referenced by createScilabGetHashTable().

{
  return create_hashtable(16, setGetHashTableHash, setGetHashTableEqualKeys ) ;
}

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SetPropertyHashTable* createSetHashTable

(

void

)

Create a new hashTable of set functions

Definition at line 72 of file setGetHashTable.c.

References create_hashtable(), setGetHashTableEqualKeys(), and setGetHashTableHash().

Referenced by createScilabSetHashTable().

{
  return create_hashtable(16, setGetHashTableHash, setGetHashTableEqualKeys ) ;
}

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void destroyGetHashTable

(

GetPropertyHashTable *

hashTable

)

destroy the hashtable and free the used resources.

Definition at line 47 of file setGetHashTable.c.

References hashtable_destroy().

Referenced by destroyScilabGetHashTable().

{
  /* we just store pointers */
  hashtable_destroy( hashTable, 0 ) ;
}

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void destroySetHashTable

(

SetPropertyHashTable *

hashTable

)

destroy the hashtable and free the used resources.

Definition at line 77 of file setGetHashTable.c.

References hashtable_destroy().

Referenced by destroyScilabSetHashTable().

{
  /* we just store pointers */
  hashtable_destroy( hashTable, 0 ) ;
}

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int insertGetHashtable	(	GetPropertyHashTable *	hashTable,
		char *	key,
		getPropertyFunc	value
	)

Definition at line 58 of file setGetHashTable.c.

References hashtable_insert(), MALLOC, and NULL.

Referenced by createScilabGetHashTable().

{
  /* allocate a new key because the hashtable claims ownership */
  /* and will free it when destroyed */
  char * copyKey   = NULL ;
  int    keyLength = strlen( key ) + 1 ;

  copyKey = MALLOC( keyLength * sizeof(char) ) ;
  if ( copyKey == NULL ) { return 0 ; }
  strcpy( copyKey, key ) ;

  return hashtable_insert( hashTable, copyKey, value ) ;
}

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int insertSetHashtable	(	SetPropertyHashTable *	hashTable,
		char *	key,
		setPropertyFunc	value
	)

Definition at line 88 of file setGetHashTable.c.

References hashtable_insert(), MALLOC, and NULL.

Referenced by createScilabSetHashTable().

{
  /* allocate a new key because the hashtable claims ownership */
  /* and will free it when destroyed */
  char * copyKey   = NULL ;
  int    keyLength = strlen( key ) + 1 ;

  copyKey = MALLOC( keyLength * sizeof(char) ) ;
  strcpy( copyKey, key ) ;

  return hashtable_insert( hashTable, copyKey, value ) ;
}

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getPropertyFunc searchGetHashtable	(	GetPropertyHashTable *	hashTable,
		char *	key
	)

Search for a key in a hashtable. if succeed, return the value needed. if failed, return NULL

Returns:

The corresponding value if the key was found, NULL otherwise.

Definition at line 53 of file setGetHashTable.c.

References hashtable_search().

Referenced by callGetProperty().

{
  return (getPropertyFunc) hashtable_search( hashTable, key ) ;
}

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setPropertyFunc searchSetHashtable	(	SetPropertyHashTable *	hashTable,
		char *	key
	)

Search for a key in a hashtable. if succeed, return the value needed. if failed, return NULL

Returns:

The corresponding value if the key was found, NULL otherwise.

Definition at line 83 of file setGetHashTable.c.

References hashtable_search().

Referenced by callSetProperty().

{
  return (setPropertyFunc) hashtable_search( hashTable, key ) ;
}

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static int setGetHashTableEqualKeys	(	void *	k1,
		void *	k2
	)			[static]

Definition at line 33 of file setGetHashTable.c.

Referenced by createGetHashTable(), and createSetHashTable().

{
  if ( strcmp( (char *)k1, (char *)k2 ) == 0 )
  {
    return 1 ;
  }
  return 0 ;
}

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static unsigned int setGetHashTableHash

(

void *

key

)

[static]

Definition at line 18 of file setGetHashTable.c.

References hash(), and str.

Referenced by createGetHashTable(), and createSetHashTable().

{
  unsigned long hash = 5381;
  int c ;
  char * str = key ;

  while ( (c = *str++) )
  {
    hash = ((hash << 5) + hash) + c ; /* hash * 33 + c */
  }

  return hash;

}

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