137 lines
3.2 KiB
C
137 lines
3.2 KiB
C
/****************************************************************************
|
|
*
|
|
* fthash.h
|
|
*
|
|
* Hashing functions (specification).
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* Copyright 2000 Computing Research Labs, New Mexico State University
|
|
* Copyright 2001-2015
|
|
* Francesco Zappa Nardelli
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE COMPUTING RESEARCH LAB OR NEW MEXICO STATE UNIVERSITY BE LIABLE FOR ANY
|
|
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
|
|
* OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
|
|
* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
/**************************************************************************
|
|
*
|
|
* This file is based on code from bdf.c,v 1.22 2000/03/16 20:08:50
|
|
*
|
|
* taken from Mark Leisher's xmbdfed package
|
|
*
|
|
*/
|
|
|
|
|
|
#ifndef FTHASH_H_
|
|
#define FTHASH_H_
|
|
|
|
|
|
#include <ft2build.h>
|
|
#include FT_FREETYPE_H
|
|
|
|
|
|
FT_BEGIN_HEADER
|
|
|
|
|
|
typedef union FT_Hashkey_
|
|
{
|
|
FT_Int num;
|
|
const char* str;
|
|
|
|
} FT_Hashkey;
|
|
|
|
|
|
typedef struct FT_HashnodeRec_
|
|
{
|
|
FT_Hashkey key;
|
|
size_t data;
|
|
|
|
} FT_HashnodeRec;
|
|
|
|
typedef struct FT_HashnodeRec_ *FT_Hashnode;
|
|
|
|
|
|
typedef FT_ULong
|
|
(*FT_Hash_LookupFunc)( FT_Hashkey* key );
|
|
|
|
typedef FT_Bool
|
|
(*FT_Hash_CompareFunc)( FT_Hashkey* a,
|
|
FT_Hashkey* b );
|
|
|
|
|
|
typedef struct FT_HashRec_
|
|
{
|
|
FT_UInt limit;
|
|
FT_UInt size;
|
|
FT_UInt used;
|
|
|
|
FT_Hash_LookupFunc lookup;
|
|
FT_Hash_CompareFunc compare;
|
|
|
|
FT_Hashnode* table;
|
|
|
|
} FT_HashRec;
|
|
|
|
typedef struct FT_HashRec_ *FT_Hash;
|
|
|
|
|
|
FT_Error
|
|
ft_hash_str_init( FT_Hash hash,
|
|
FT_Memory memory );
|
|
|
|
FT_Error
|
|
ft_hash_num_init( FT_Hash hash,
|
|
FT_Memory memory );
|
|
|
|
void
|
|
ft_hash_str_free( FT_Hash hash,
|
|
FT_Memory memory );
|
|
|
|
#define ft_hash_num_free ft_hash_str_free
|
|
|
|
FT_Error
|
|
ft_hash_str_insert( const char* key,
|
|
size_t data,
|
|
FT_Hash hash,
|
|
FT_Memory memory );
|
|
|
|
FT_Error
|
|
ft_hash_num_insert( FT_Int num,
|
|
size_t data,
|
|
FT_Hash hash,
|
|
FT_Memory memory );
|
|
|
|
size_t*
|
|
ft_hash_str_lookup( const char* key,
|
|
FT_Hash hash );
|
|
|
|
size_t*
|
|
ft_hash_num_lookup( FT_Int num,
|
|
FT_Hash hash );
|
|
|
|
|
|
FT_END_HEADER
|
|
|
|
|
|
#endif /* FTHASH_H_ */
|
|
|
|
|
|
/* END */
|