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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_ */