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/* $Header: /home/cvsroot/dvipdfmx/src/dpxutil.h,v 1.12 2011/03/06 03:14:13 chofchof Exp $
This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
Copyright (C) 2002 by Jin-Hwan Cho and Shunsaku Hirata,
the dvipdfmx project team <dvipdfmx@project.ktug.or.kr>
Copyright (C) 1998, 1999 by Mark A. Wicks <mwicks@kettering.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#ifndef _DPXUTIL_H_
#define _DPXUTIL_H_
#undef MIN
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#undef MAX
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#undef ABS
#define ABS(a) (((a) < 0) ? -(a) : (a))
#ifndef is_space
#define is_space(c) ((c) == ' ' || (c) == '\t' || (c) == '\f' || \
(c) == '\r' || (c) == '\n' || (c) == '\0')
#endif
#ifndef is_delim
#define is_delim(c) ((c) == '(' || (c) == '/' || \
(c) == '<' || (c) == '>' || \
(c) == '[' || (c) == ']' || \
(c) == '{' || (c) == '}' || \
(c) == '%')
#endif
extern void skip_white_spaces (unsigned char **s, unsigned char *endptr);
extern int xtoi (char c);
extern int getxpair (unsigned char **str);
extern int putxpair (unsigned char c, char **str);
extern int sputx (unsigned char c, char **buf, char *endptr);
extern unsigned char ostrtouc (unsigned char **inbuf,
unsigned char *inbufend, unsigned char *valid);
extern unsigned char esctouc (unsigned char **inbuf,
unsigned char *inbufend, unsigned char *valid);
#define HASH_TABLE_SIZE 503
struct ht_entry {
char *key;
int keylen;
void *value;
struct ht_entry *next;
};
struct ht_table {
long count;
void (*hval_free_fn) (void *);
struct ht_entry *table[HASH_TABLE_SIZE];
};
typedef struct ht_table ht_table;
#define HT_NEW 0
#define HT_REPLACE 1
#define HT_KEEP 2
extern void ht_init_table (struct ht_table *ht,
void (*hval_free_fn) (void *));
extern void ht_clear_table (struct ht_table *ht);
extern long ht_table_size (struct ht_table *ht);
extern void *ht_lookup_table (struct ht_table *ht,
const void *key, int keylen);
extern void ht_modify_table (struct ht_table *ht,
const void *key, int keylen,
void *value, int mode);
#define ht_append_table(ht, key, keylen, value) \
ht_modify_table(ht, key, keylen, value, HT_NEW)
#define ht_insert_table(ht, key, keylen, value) \
ht_modify_table(ht, key, keylen, value, HT_REPLACE)
extern int ht_remove_table (struct ht_table *ht,
const void *key, int keylen);
struct ht_iter {
int index;
void *curr;
struct ht_table *hash;
};
extern int ht_set_iter (struct ht_table *ht, struct ht_iter *iter);
extern void ht_clear_iter (struct ht_iter *iter);
extern char *ht_iter_getkey (struct ht_iter *iter, int *keylen);
extern void *ht_iter_getval (struct ht_iter *iter);
extern int ht_iter_next (struct ht_iter *iter);
extern char *parse_float_decimal (const char **pp, const char *endptr);
extern char *parse_c_string (const char **pp, const char *endptr);
extern char *parse_c_ident (const char **pp, const char *endptr);
#endif /* _DPXUTIL_H_ */
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