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0f2d19dd JB |
1 | /* classes: src_files */ |
2 | ||
3d8d56df | 3 | /* Copyright (C) 1994, 1996, 1997 Software Foundation, Inc. |
0f2d19dd JB |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2, or (at your option) | |
8 | any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this software; see the file COPYING. If not, write to | |
17 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
18 | ||
19 | \f | |
20 | ||
21 | #include <stdio.h> | |
22 | #include "_scm.h" | |
20e6290e | 23 | #include "chars.h" |
0f2d19dd | 24 | |
20e6290e | 25 | #include "strop.h" |
0f2d19dd JB |
26 | \f |
27 | ||
1cc91f1b | 28 | |
0f2d19dd JB |
29 | int |
30 | scm_i_index (str, chr, sub_start, sub_end, pos, pos2, pos3, pos4, why) | |
31 | SCM * str; | |
32 | SCM chr; | |
33 | SCM sub_start; | |
34 | SCM sub_end; | |
35 | int pos; | |
36 | int pos2; | |
37 | int pos3; | |
38 | int pos4; | |
39 | char * why; | |
0f2d19dd JB |
40 | { |
41 | unsigned char * p; | |
42 | int x; | |
43 | int bound; | |
44 | int ch; | |
45 | ||
46 | SCM_ASSERT (SCM_NIMP (*str) && SCM_ROSTRINGP (*str), *str, pos, why); | |
47 | SCM_ASSERT (SCM_ICHRP (chr), chr, pos2, why); | |
48 | ||
49 | if (sub_start == SCM_BOOL_F) | |
50 | sub_start = SCM_MAKINUM (0); | |
51 | else | |
52 | SCM_ASSERT ( SCM_INUMP (sub_start) | |
53 | && (0 <= SCM_INUM (sub_start)) | |
54 | && (SCM_INUM (sub_start) <= SCM_ROLENGTH (*str)), | |
55 | sub_start, pos3, why); | |
56 | ||
57 | if (sub_end == SCM_BOOL_F) | |
58 | sub_end = SCM_MAKINUM (SCM_ROLENGTH (*str)); | |
59 | else | |
60 | SCM_ASSERT ( SCM_INUMP (sub_end) | |
61 | && (SCM_INUM (sub_start) <= SCM_INUM (sub_end)) | |
62 | && (SCM_INUM (sub_end) <= SCM_ROLENGTH (*str)), | |
63 | sub_end, pos4, why); | |
64 | ||
65 | p = (unsigned char *)SCM_ROCHARS (*str) + SCM_INUM (sub_start); | |
66 | bound = SCM_INUM (sub_end); | |
67 | ch = SCM_ICHR (chr); | |
68 | ||
69 | for (x = SCM_INUM (sub_start); x < bound; ++x, ++p) | |
70 | if (*p == ch) | |
71 | return x; | |
72 | ||
73 | return -1; | |
74 | } | |
75 | ||
1cc91f1b | 76 | |
0f2d19dd JB |
77 | int |
78 | scm_i_rindex (str, chr, sub_start, sub_end, pos, pos2, pos3, pos4, why) | |
79 | SCM * str; | |
80 | SCM chr; | |
81 | SCM sub_start; | |
82 | SCM sub_end; | |
83 | int pos; | |
84 | int pos2; | |
85 | int pos3; | |
86 | int pos4; | |
87 | char * why; | |
0f2d19dd JB |
88 | { |
89 | unsigned char * p; | |
90 | int x; | |
91 | int upper_bound; | |
92 | int lower_bound; | |
93 | int ch; | |
94 | ||
95 | SCM_ASSERT (SCM_NIMP (*str) && SCM_ROSTRINGP (*str), *str, pos, why); | |
96 | SCM_ASSERT (SCM_ICHRP (chr), chr, pos2, why); | |
97 | ||
98 | if (sub_start == SCM_BOOL_F) | |
99 | sub_start = SCM_MAKINUM (0); | |
100 | else | |
101 | SCM_ASSERT ( SCM_INUMP (sub_start) | |
102 | && (0 <= SCM_INUM (sub_start)) | |
103 | && (SCM_INUM (sub_start) <= SCM_ROLENGTH (*str)), | |
104 | sub_start, pos3, why); | |
105 | ||
106 | if (sub_end == SCM_BOOL_F) | |
107 | sub_end = SCM_MAKINUM (SCM_ROLENGTH (*str)); | |
108 | else | |
109 | SCM_ASSERT ( SCM_INUMP (sub_end) | |
110 | && (SCM_INUM (sub_start) <= SCM_INUM (sub_end)) | |
111 | && (SCM_INUM (sub_end) <= SCM_ROLENGTH (*str)), | |
112 | sub_end, pos4, why); | |
113 | ||
114 | upper_bound = SCM_INUM (sub_end); | |
115 | lower_bound = SCM_INUM (sub_start); | |
116 | p = upper_bound - 1 + (unsigned char *)SCM_ROCHARS (*str); | |
117 | ch = SCM_ICHR (chr); | |
118 | for (x = upper_bound - 1; x >= lower_bound; --x, --p) | |
119 | if (*p == ch) | |
120 | return x; | |
121 | ||
122 | return -1; | |
123 | } | |
124 | ||
125 | ||
126 | SCM_PROC(s_string_index, "string-index", 2, 2, 0, scm_string_index); | |
1cc91f1b | 127 | |
0f2d19dd JB |
128 | SCM |
129 | scm_string_index (str, chr, frm, to) | |
130 | SCM str; | |
131 | SCM chr; | |
132 | SCM frm; | |
133 | SCM to; | |
0f2d19dd JB |
134 | { |
135 | int pos; | |
136 | ||
137 | if (frm == SCM_UNDEFINED) | |
138 | frm = SCM_BOOL_F; | |
139 | if (to == SCM_UNDEFINED) | |
140 | to = SCM_BOOL_F; | |
141 | pos = scm_i_index (&str, chr, frm, to, SCM_ARG1, SCM_ARG2, SCM_ARG3, SCM_ARG4, s_string_index); | |
142 | return (pos < 0 | |
143 | ? SCM_BOOL_F | |
144 | : SCM_MAKINUM (pos)); | |
145 | } | |
146 | ||
147 | SCM_PROC(s_string_rindex, "string-rindex", 2, 2, 0, scm_string_rindex); | |
1cc91f1b | 148 | |
0f2d19dd JB |
149 | SCM |
150 | scm_string_rindex (str, chr, frm, to) | |
151 | SCM str; | |
152 | SCM chr; | |
153 | SCM frm; | |
154 | SCM to; | |
0f2d19dd JB |
155 | { |
156 | int pos; | |
157 | ||
158 | if (frm == SCM_UNDEFINED) | |
159 | frm = SCM_BOOL_F; | |
160 | if (to == SCM_UNDEFINED) | |
161 | to = SCM_BOOL_F; | |
162 | pos = scm_i_rindex (&str, chr, frm, to, SCM_ARG1, SCM_ARG2, SCM_ARG3, SCM_ARG4, s_string_index); | |
163 | return (pos < 0 | |
164 | ? SCM_BOOL_F | |
165 | : SCM_MAKINUM (pos)); | |
166 | } | |
167 | ||
168 | ||
169 | ||
170 | ||
171 | ||
172 | ||
173 | SCM_PROC(s_substring_move_left_x, "substring-move-left!", 2, 0, 1, scm_substring_move_left_x); | |
1cc91f1b | 174 | |
0f2d19dd JB |
175 | SCM |
176 | scm_substring_move_left_x (str1, start1, args) | |
177 | SCM str1; | |
178 | SCM start1; | |
179 | SCM args; | |
0f2d19dd JB |
180 | { |
181 | SCM end1, str2, start2; | |
182 | long i, j, e; | |
f5bf2977 GH |
183 | SCM_ASSERT (3==scm_ilength (args), scm_makfrom0str (s_substring_move_left_x), |
184 | SCM_WNA, NULL); | |
0f2d19dd JB |
185 | end1 = SCM_CAR (args); args = SCM_CDR (args); |
186 | str2 = SCM_CAR (args); args = SCM_CDR (args); | |
187 | start2 = SCM_CAR (args); | |
188 | SCM_ASSERT (SCM_NIMP (str1) && SCM_STRINGP (str1), str1, SCM_ARG1, s_substring_move_left_x); | |
189 | SCM_ASSERT (SCM_INUMP (start1), start1, SCM_ARG2, s_substring_move_left_x); | |
190 | SCM_ASSERT (SCM_INUMP (end1), end1, SCM_ARG3, s_substring_move_left_x); | |
191 | SCM_ASSERT (SCM_NIMP (str2) && SCM_STRINGP (str2), str2, SCM_ARG4, s_substring_move_left_x); | |
192 | SCM_ASSERT (SCM_INUMP (start2), start2, SCM_ARG5, s_substring_move_left_x); | |
193 | i = SCM_INUM (start1), j = SCM_INUM (start2), e = SCM_INUM (end1); | |
194 | SCM_ASSERT (i <= SCM_LENGTH (str1) && i >= 0, start1, SCM_OUTOFRANGE, s_substring_move_left_x); | |
195 | SCM_ASSERT (j <= SCM_LENGTH (str2) && j >= 0, start2, SCM_OUTOFRANGE, s_substring_move_left_x); | |
196 | SCM_ASSERT (e <= SCM_LENGTH (str1) && e >= 0, end1, SCM_OUTOFRANGE, s_substring_move_left_x); | |
197 | SCM_ASSERT (e-i+j <= SCM_LENGTH (str2), start2, SCM_OUTOFRANGE, s_substring_move_left_x); | |
198 | while (i<e) SCM_CHARS (str2)[j++] = SCM_CHARS (str1)[i++]; | |
199 | return SCM_UNSPECIFIED; | |
200 | } | |
201 | ||
202 | ||
203 | SCM_PROC(s_substring_move_right_x, "substring-move-right!", 2, 0, 1, scm_substring_move_right_x); | |
1cc91f1b | 204 | |
0f2d19dd JB |
205 | SCM |
206 | scm_substring_move_right_x (str1, start1, args) | |
207 | SCM str1; | |
208 | SCM start1; | |
209 | SCM args; | |
0f2d19dd JB |
210 | { |
211 | SCM end1, str2, start2; | |
212 | long i, j, e; | |
f5bf2977 GH |
213 | SCM_ASSERT (3==scm_ilength (args), |
214 | scm_makfrom0str (s_substring_move_right_x), SCM_WNA, NULL); | |
0f2d19dd JB |
215 | end1 = SCM_CAR (args); args = SCM_CDR (args); |
216 | str2 = SCM_CAR (args); args = SCM_CDR (args); | |
217 | start2 = SCM_CAR (args); | |
218 | SCM_ASSERT (SCM_NIMP (str1) && SCM_STRINGP (str1), str1, SCM_ARG1, s_substring_move_right_x); | |
219 | SCM_ASSERT (SCM_INUMP (start1), start1, SCM_ARG2, s_substring_move_right_x); | |
220 | SCM_ASSERT (SCM_INUMP (end1), end1, SCM_ARG3, s_substring_move_right_x); | |
221 | SCM_ASSERT (SCM_NIMP (str2) && SCM_STRINGP (str2), str2, SCM_ARG4, s_substring_move_right_x); | |
222 | SCM_ASSERT (SCM_INUMP (start2), start2, SCM_ARG5, s_substring_move_right_x); | |
223 | i = SCM_INUM (start1), j = SCM_INUM (start2), e = SCM_INUM (end1); | |
224 | SCM_ASSERT (i <= SCM_LENGTH (str1) && i >= 0, start1, SCM_OUTOFRANGE, s_substring_move_right_x); | |
225 | SCM_ASSERT (j <= SCM_LENGTH (str2) && j >= 0, start2, SCM_OUTOFRANGE, s_substring_move_right_x); | |
226 | SCM_ASSERT (e <= SCM_LENGTH (str1) && e >= 0, end1, SCM_OUTOFRANGE, s_substring_move_right_x); | |
227 | SCM_ASSERT ((j = e-i+j) <= SCM_LENGTH (str2), start2, SCM_OUTOFRANGE, s_substring_move_right_x); | |
228 | while (i<e) SCM_CHARS (str2)[--j] = SCM_CHARS (str1)[--e]; | |
229 | return SCM_UNSPECIFIED; | |
230 | } | |
231 | ||
232 | ||
233 | SCM_PROC(s_substring_fill_x, "substring-fill!", 2, 0, 1, scm_substring_fill_x); | |
1cc91f1b | 234 | |
0f2d19dd JB |
235 | SCM |
236 | scm_substring_fill_x (str, start, args) | |
237 | SCM str; | |
238 | SCM start; | |
239 | SCM args; | |
0f2d19dd JB |
240 | { |
241 | SCM end, fill; | |
242 | long i, e; | |
243 | char c; | |
f5bf2977 GH |
244 | SCM_ASSERT (2==scm_ilength (args), scm_makfrom0str (s_substring_fill_x), |
245 | SCM_WNA, NULL); | |
0f2d19dd JB |
246 | end = SCM_CAR (args); args = SCM_CDR (args); |
247 | fill = SCM_CAR (args); | |
248 | SCM_ASSERT (SCM_NIMP (str) && SCM_STRINGP (str), str, SCM_ARG1, s_substring_fill_x); | |
249 | SCM_ASSERT (SCM_INUMP (start), start, SCM_ARG2, s_substring_fill_x); | |
250 | SCM_ASSERT (SCM_INUMP (end), end, SCM_ARG3, s_substring_fill_x); | |
251 | SCM_ASSERT (SCM_ICHRP (fill), fill, SCM_ARG4, s_substring_fill_x); | |
252 | i = SCM_INUM (start), e = SCM_INUM (end);c = SCM_ICHR (fill); | |
253 | SCM_ASSERT (i <= SCM_LENGTH (str) && i >= 0, start, SCM_OUTOFRANGE, s_substring_fill_x); | |
254 | SCM_ASSERT (e <= SCM_LENGTH (str) && e >= 0, end, SCM_OUTOFRANGE, s_substring_fill_x); | |
255 | while (i<e) SCM_CHARS (str)[i++] = c; | |
256 | return SCM_UNSPECIFIED; | |
257 | } | |
258 | ||
259 | ||
260 | SCM_PROC(s_string_null_p, "string-null?", 1, 0, 0, scm_string_null_p); | |
1cc91f1b | 261 | |
0f2d19dd JB |
262 | SCM |
263 | scm_string_null_p (str) | |
264 | SCM str; | |
0f2d19dd JB |
265 | { |
266 | SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1, s_string_null_p); | |
267 | return (SCM_ROLENGTH (str) | |
268 | ? SCM_BOOL_F | |
269 | : SCM_BOOL_T); | |
270 | } | |
271 | ||
272 | ||
273 | SCM_PROC(s_string_to_list, "string->list", 1, 0, 0, scm_string_to_list); | |
1cc91f1b | 274 | |
0f2d19dd JB |
275 | SCM |
276 | scm_string_to_list (str) | |
277 | SCM str; | |
0f2d19dd JB |
278 | { |
279 | long i; | |
280 | SCM res = SCM_EOL; | |
281 | unsigned char *src; | |
282 | SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1, s_string_to_list); | |
283 | src = SCM_ROUCHARS (str); | |
284 | for (i = SCM_ROLENGTH (str)-1;i >= 0;i--) res = scm_cons ((SCM)SCM_MAKICHR (src[i]), res); | |
285 | return res; | |
286 | } | |
287 | ||
288 | ||
289 | ||
290 | SCM_PROC(s_string_copy, "string-copy", 1, 0, 0, scm_string_copy); | |
1cc91f1b | 291 | |
0f2d19dd JB |
292 | SCM |
293 | scm_string_copy (str) | |
294 | SCM str; | |
0f2d19dd | 295 | { |
3d8d56df GH |
296 | /* doesn't handle multibyte strings. */ |
297 | SCM_ASSERT (SCM_NIMP (str) && (SCM_STRINGP (str) || SCM_SUBSTRP (str)), | |
298 | str, SCM_ARG1, s_string_copy); | |
299 | return scm_makfromstr (SCM_ROCHARS (str), (scm_sizet)SCM_ROLENGTH (str), 0); | |
0f2d19dd JB |
300 | } |
301 | ||
302 | ||
303 | SCM_PROC(s_string_fill_x, "string-fill!", 2, 0, 0, scm_string_fill_x); | |
1cc91f1b | 304 | |
0f2d19dd JB |
305 | SCM |
306 | scm_string_fill_x (str, chr) | |
307 | SCM str; | |
308 | SCM chr; | |
0f2d19dd JB |
309 | { |
310 | register char *dst, c; | |
311 | register long k; | |
312 | SCM_ASSERT (SCM_NIMP (str) && SCM_STRINGP (str), str, SCM_ARG1, s_string_fill_x); | |
313 | SCM_ASSERT (SCM_ICHRP (chr), chr, SCM_ARG2, s_string_fill_x); | |
314 | c = SCM_ICHR (chr); | |
315 | dst = SCM_CHARS (str); | |
316 | for (k = SCM_LENGTH (str)-1;k >= 0;k--) dst[k] = c; | |
317 | return SCM_UNSPECIFIED; | |
318 | } | |
319 | ||
320 | ||
1cc91f1b | 321 | |
0f2d19dd JB |
322 | void |
323 | scm_init_strop () | |
0f2d19dd JB |
324 | { |
325 | #include "strop.x" | |
326 | } | |
327 |