1 #ifndef SCM_SRFI_14_H
2 #define SCM_SRFI_14_H
3 
4 /* srfi-14.c --- SRFI-14 procedures for Guile
5  *
6  * 	Copyright (C) 2001, 2004, 2006 Free Software Foundation, Inc.
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 
24 #include "libguile/__scm.h"
25 
26 #define SCM_CHARSET_SIZE 256
27 
28 /* We expect 8-bit bytes here.  Should be no problem in the year
29    2001.  */
30 #ifndef SCM_BITS_PER_LONG
31 # define SCM_BITS_PER_LONG (sizeof (long) * 8)
32 #endif
33 
34 #define SCM_CHARSET_GET(cs, idx) (((long *) SCM_SMOB_DATA (cs))\
35 			           [((unsigned char) (idx)) / SCM_BITS_PER_LONG] &\
36 			 	   (1L << (((unsigned char) (idx)) % SCM_BITS_PER_LONG)))
37 
38 #define SCM_CHARSETP(x) (!SCM_IMP (x) && (SCM_TYP16 (x) == scm_tc16_charset))
39 
40 /* Smob type code for character sets.  */
41 SCM_API int scm_tc16_charset;
42 
43 SCM_API SCM scm_char_set_p (SCM obj);
44 SCM_API SCM scm_char_set_eq (SCM char_sets);
45 SCM_API SCM scm_char_set_leq (SCM char_sets);
46 SCM_API SCM scm_char_set_hash (SCM cs, SCM bound);
47 SCM_API SCM scm_char_set_cursor (SCM cs);
48 SCM_API SCM scm_char_set_ref (SCM cs, SCM cursor);
49 SCM_API SCM scm_char_set_cursor_next (SCM cs, SCM cursor);
50 SCM_API SCM scm_end_of_char_set_p (SCM cursor);
51 SCM_API SCM scm_char_set_fold (SCM kons, SCM knil, SCM cs);
52 SCM_API SCM scm_char_set_unfold (SCM p, SCM f, SCM g, SCM seed, SCM base_cs);
53 SCM_API SCM scm_char_set_unfold_x (SCM p, SCM f, SCM g, SCM seed, SCM base_cs);
54 SCM_API SCM scm_char_set_for_each (SCM proc, SCM cs);
55 SCM_API SCM scm_char_set_map (SCM proc, SCM cs);
56 SCM_API SCM scm_char_set_copy (SCM cs);
57 SCM_API SCM scm_char_set (SCM rest);
58 SCM_API SCM scm_list_to_char_set (SCM list, SCM base_cs);
59 SCM_API SCM scm_list_to_char_set_x (SCM list, SCM base_cs);
60 SCM_API SCM scm_string_to_char_set (SCM str, SCM base_cs);
61 SCM_API SCM scm_string_to_char_set_x (SCM str, SCM base_cs);
62 SCM_API SCM scm_char_set_filter (SCM pred, SCM cs, SCM base_cs);
63 SCM_API SCM scm_char_set_filter_x (SCM pred, SCM cs, SCM base_cs);
64 SCM_API SCM scm_ucs_range_to_char_set (SCM lower, SCM upper, SCM error, SCM base_cs);
65 SCM_API SCM scm_ucs_range_to_char_set_x (SCM lower, SCM upper, SCM error, SCM base_cs);
66 SCM_API SCM scm_to_char_set (SCM x);
67 SCM_API SCM scm_char_set_size (SCM cs);
68 SCM_API SCM scm_char_set_count (SCM pred, SCM cs);
69 SCM_API SCM scm_char_set_to_list (SCM cs);
70 SCM_API SCM scm_char_set_to_string (SCM cs);
71 SCM_API SCM scm_char_set_contains_p (SCM cs, SCM ch);
72 SCM_API SCM scm_char_set_every (SCM pred, SCM cs);
73 SCM_API SCM scm_char_set_any (SCM pred, SCM cs);
74 SCM_API SCM scm_char_set_adjoin (SCM cs, SCM rest);
75 SCM_API SCM scm_char_set_delete (SCM cs, SCM rest);
76 SCM_API SCM scm_char_set_adjoin_x (SCM cs, SCM rest);
77 SCM_API SCM scm_char_set_delete_x (SCM cs, SCM rest);
78 SCM_API SCM scm_char_set_complement (SCM cs);
79 SCM_API SCM scm_char_set_union (SCM rest);
80 SCM_API SCM scm_char_set_intersection (SCM rest);
81 SCM_API SCM scm_char_set_difference (SCM cs1, SCM rest);
82 SCM_API SCM scm_char_set_xor (SCM rest);
83 SCM_API SCM scm_char_set_diff_plus_intersection (SCM cs1, SCM rest);
84 SCM_API SCM scm_char_set_complement_x (SCM cs);
85 SCM_API SCM scm_char_set_union_x (SCM cs1, SCM rest);
86 SCM_API SCM scm_char_set_intersection_x (SCM cs1, SCM rest);
87 SCM_API SCM scm_char_set_difference_x (SCM cs1, SCM rest);
88 SCM_API SCM scm_char_set_xor_x (SCM cs1, SCM rest);
89 SCM_API SCM scm_char_set_diff_plus_intersection_x (SCM cs1, SCM cs2, SCM rest);
90 
91 SCM_API SCM scm_char_set_lower_case;
92 SCM_API SCM scm_char_set_upper_case;
93 SCM_API SCM scm_char_set_title_case;
94 SCM_API SCM scm_char_set_letter;
95 SCM_API SCM scm_char_set_digit;
96 SCM_API SCM scm_char_set_letter_and_digit;
97 SCM_API SCM scm_char_set_graphic;
98 SCM_API SCM scm_char_set_printing;
99 SCM_API SCM scm_char_set_whitespace;
100 SCM_API SCM scm_char_set_iso_control;
101 SCM_API SCM scm_char_set_punctuation;
102 SCM_API SCM scm_char_set_symbol;
103 SCM_API SCM scm_char_set_hex_digit;
104 SCM_API SCM scm_char_set_blank;
105 SCM_API SCM scm_char_set_ascii;
106 SCM_API SCM scm_char_set_empty;
107 SCM_API SCM scm_char_set_full;
108 
109 SCM_API void scm_srfi_14_compute_char_sets (void);
110 SCM_API void scm_init_srfi_14 (void);
111 
112 #endif /* SCM_SRFI_14_H */
113