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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 | |
03bc4386 | 29 | static int scm_i_index SCM_P ((SCM * str, SCM chr, int direction, SCM sub_start, SCM sub_end, int pos, int pos2, int pos3, int pos4, char * why)); |
0f2d19dd | 30 | |
03bc4386 GH |
31 | /* implements index if direction > 0 otherwise rindex. */ |
32 | static int | |
33 | scm_i_index (str, chr, direction, sub_start, sub_end, pos, pos2, pos3, pos4, | |
34 | why) | |
0f2d19dd JB |
35 | SCM * str; |
36 | SCM chr; | |
03bc4386 | 37 | int direction; |
0f2d19dd JB |
38 | SCM sub_start; |
39 | SCM sub_end; | |
40 | int pos; | |
41 | int pos2; | |
42 | int pos3; | |
43 | int pos4; | |
44 | char * why; | |
0f2d19dd JB |
45 | { |
46 | unsigned char * p; | |
47 | int x; | |
03bc4386 GH |
48 | int lower; |
49 | int upper; | |
0f2d19dd JB |
50 | int ch; |
51 | ||
52 | SCM_ASSERT (SCM_NIMP (*str) && SCM_ROSTRINGP (*str), *str, pos, why); | |
53 | SCM_ASSERT (SCM_ICHRP (chr), chr, pos2, why); | |
54 | ||
55 | if (sub_start == SCM_BOOL_F) | |
56 | sub_start = SCM_MAKINUM (0); | |
03bc4386 GH |
57 | |
58 | SCM_ASSERT (SCM_INUMP (sub_start), sub_start, pos3, why); | |
59 | lower = SCM_INUM (sub_start); | |
60 | if (lower < 0 | |
61 | || lower >= SCM_ROLENGTH (*str)) | |
62 | scm_out_of_range (why, sub_start); | |
0f2d19dd JB |
63 | |
64 | if (sub_end == SCM_BOOL_F) | |
65 | sub_end = SCM_MAKINUM (SCM_ROLENGTH (*str)); | |
03bc4386 GH |
66 | |
67 | SCM_ASSERT (SCM_INUMP (sub_end), sub_end, pos4, why); | |
68 | upper = SCM_INUM (sub_end); | |
69 | if (upper < SCM_INUM (sub_start) | |
70 | || upper > SCM_ROLENGTH (*str)) | |
71 | scm_out_of_range (why, sub_end); | |
72 | ||
73 | if (direction > 0) | |
74 | { | |
75 | p = (unsigned char *)SCM_ROCHARS (*str) + lower; | |
76 | ch = SCM_ICHR (chr); | |
77 | ||
78 | for (x = SCM_INUM (sub_start); x < upper; ++x, ++p) | |
79 | if (*p == ch) | |
80 | return x; | |
81 | } | |
0f2d19dd | 82 | else |
03bc4386 GH |
83 | { |
84 | p = upper - 1 + (unsigned char *)SCM_ROCHARS (*str); | |
85 | ch = SCM_ICHR (chr); | |
86 | for (x = upper - 1; x >= lower; --x, --p) | |
87 | if (*p == ch) | |
88 | return x; | |
89 | } | |
0f2d19dd JB |
90 | |
91 | return -1; | |
92 | } | |
93 | ||
0f2d19dd | 94 | SCM_PROC(s_string_index, "string-index", 2, 2, 0, scm_string_index); |
1cc91f1b | 95 | |
0f2d19dd JB |
96 | SCM |
97 | scm_string_index (str, chr, frm, to) | |
98 | SCM str; | |
99 | SCM chr; | |
100 | SCM frm; | |
101 | SCM to; | |
0f2d19dd JB |
102 | { |
103 | int pos; | |
104 | ||
105 | if (frm == SCM_UNDEFINED) | |
106 | frm = SCM_BOOL_F; | |
107 | if (to == SCM_UNDEFINED) | |
108 | to = SCM_BOOL_F; | |
03bc4386 | 109 | pos = scm_i_index (&str, chr, 1, frm, to, SCM_ARG1, SCM_ARG2, SCM_ARG3, SCM_ARG4, s_string_index); |
0f2d19dd JB |
110 | return (pos < 0 |
111 | ? SCM_BOOL_F | |
112 | : SCM_MAKINUM (pos)); | |
113 | } | |
114 | ||
115 | SCM_PROC(s_string_rindex, "string-rindex", 2, 2, 0, scm_string_rindex); | |
1cc91f1b | 116 | |
0f2d19dd JB |
117 | SCM |
118 | scm_string_rindex (str, chr, frm, to) | |
119 | SCM str; | |
120 | SCM chr; | |
121 | SCM frm; | |
122 | SCM to; | |
0f2d19dd JB |
123 | { |
124 | int pos; | |
125 | ||
126 | if (frm == SCM_UNDEFINED) | |
127 | frm = SCM_BOOL_F; | |
128 | if (to == SCM_UNDEFINED) | |
129 | to = SCM_BOOL_F; | |
03bc4386 | 130 | pos = scm_i_index (&str, chr, -1, frm, to, SCM_ARG1, SCM_ARG2, SCM_ARG3, SCM_ARG4, s_string_index); |
0f2d19dd JB |
131 | return (pos < 0 |
132 | ? SCM_BOOL_F | |
133 | : SCM_MAKINUM (pos)); | |
134 | } | |
135 | ||
136 | ||
137 | ||
138 | ||
139 | ||
140 | ||
141 | SCM_PROC(s_substring_move_left_x, "substring-move-left!", 2, 0, 1, scm_substring_move_left_x); | |
1cc91f1b | 142 | |
0f2d19dd JB |
143 | SCM |
144 | scm_substring_move_left_x (str1, start1, args) | |
145 | SCM str1; | |
146 | SCM start1; | |
147 | SCM args; | |
0f2d19dd JB |
148 | { |
149 | SCM end1, str2, start2; | |
150 | long i, j, e; | |
f5bf2977 GH |
151 | SCM_ASSERT (3==scm_ilength (args), scm_makfrom0str (s_substring_move_left_x), |
152 | SCM_WNA, NULL); | |
0f2d19dd JB |
153 | end1 = SCM_CAR (args); args = SCM_CDR (args); |
154 | str2 = SCM_CAR (args); args = SCM_CDR (args); | |
155 | start2 = SCM_CAR (args); | |
156 | SCM_ASSERT (SCM_NIMP (str1) && SCM_STRINGP (str1), str1, SCM_ARG1, s_substring_move_left_x); | |
157 | SCM_ASSERT (SCM_INUMP (start1), start1, SCM_ARG2, s_substring_move_left_x); | |
158 | SCM_ASSERT (SCM_INUMP (end1), end1, SCM_ARG3, s_substring_move_left_x); | |
159 | SCM_ASSERT (SCM_NIMP (str2) && SCM_STRINGP (str2), str2, SCM_ARG4, s_substring_move_left_x); | |
160 | SCM_ASSERT (SCM_INUMP (start2), start2, SCM_ARG5, s_substring_move_left_x); | |
161 | i = SCM_INUM (start1), j = SCM_INUM (start2), e = SCM_INUM (end1); | |
162 | SCM_ASSERT (i <= SCM_LENGTH (str1) && i >= 0, start1, SCM_OUTOFRANGE, s_substring_move_left_x); | |
163 | SCM_ASSERT (j <= SCM_LENGTH (str2) && j >= 0, start2, SCM_OUTOFRANGE, s_substring_move_left_x); | |
164 | SCM_ASSERT (e <= SCM_LENGTH (str1) && e >= 0, end1, SCM_OUTOFRANGE, s_substring_move_left_x); | |
165 | SCM_ASSERT (e-i+j <= SCM_LENGTH (str2), start2, SCM_OUTOFRANGE, s_substring_move_left_x); | |
166 | while (i<e) SCM_CHARS (str2)[j++] = SCM_CHARS (str1)[i++]; | |
167 | return SCM_UNSPECIFIED; | |
168 | } | |
169 | ||
170 | ||
171 | SCM_PROC(s_substring_move_right_x, "substring-move-right!", 2, 0, 1, scm_substring_move_right_x); | |
1cc91f1b | 172 | |
0f2d19dd JB |
173 | SCM |
174 | scm_substring_move_right_x (str1, start1, args) | |
175 | SCM str1; | |
176 | SCM start1; | |
177 | SCM args; | |
0f2d19dd JB |
178 | { |
179 | SCM end1, str2, start2; | |
180 | long i, j, e; | |
f5bf2977 GH |
181 | SCM_ASSERT (3==scm_ilength (args), |
182 | scm_makfrom0str (s_substring_move_right_x), SCM_WNA, NULL); | |
0f2d19dd JB |
183 | end1 = SCM_CAR (args); args = SCM_CDR (args); |
184 | str2 = SCM_CAR (args); args = SCM_CDR (args); | |
185 | start2 = SCM_CAR (args); | |
186 | SCM_ASSERT (SCM_NIMP (str1) && SCM_STRINGP (str1), str1, SCM_ARG1, s_substring_move_right_x); | |
187 | SCM_ASSERT (SCM_INUMP (start1), start1, SCM_ARG2, s_substring_move_right_x); | |
188 | SCM_ASSERT (SCM_INUMP (end1), end1, SCM_ARG3, s_substring_move_right_x); | |
189 | SCM_ASSERT (SCM_NIMP (str2) && SCM_STRINGP (str2), str2, SCM_ARG4, s_substring_move_right_x); | |
190 | SCM_ASSERT (SCM_INUMP (start2), start2, SCM_ARG5, s_substring_move_right_x); | |
191 | i = SCM_INUM (start1), j = SCM_INUM (start2), e = SCM_INUM (end1); | |
192 | SCM_ASSERT (i <= SCM_LENGTH (str1) && i >= 0, start1, SCM_OUTOFRANGE, s_substring_move_right_x); | |
193 | SCM_ASSERT (j <= SCM_LENGTH (str2) && j >= 0, start2, SCM_OUTOFRANGE, s_substring_move_right_x); | |
194 | SCM_ASSERT (e <= SCM_LENGTH (str1) && e >= 0, end1, SCM_OUTOFRANGE, s_substring_move_right_x); | |
195 | SCM_ASSERT ((j = e-i+j) <= SCM_LENGTH (str2), start2, SCM_OUTOFRANGE, s_substring_move_right_x); | |
196 | while (i<e) SCM_CHARS (str2)[--j] = SCM_CHARS (str1)[--e]; | |
197 | return SCM_UNSPECIFIED; | |
198 | } | |
199 | ||
200 | ||
201 | SCM_PROC(s_substring_fill_x, "substring-fill!", 2, 0, 1, scm_substring_fill_x); | |
1cc91f1b | 202 | |
0f2d19dd JB |
203 | SCM |
204 | scm_substring_fill_x (str, start, args) | |
205 | SCM str; | |
206 | SCM start; | |
207 | SCM args; | |
0f2d19dd JB |
208 | { |
209 | SCM end, fill; | |
210 | long i, e; | |
211 | char c; | |
f5bf2977 GH |
212 | SCM_ASSERT (2==scm_ilength (args), scm_makfrom0str (s_substring_fill_x), |
213 | SCM_WNA, NULL); | |
0f2d19dd JB |
214 | end = SCM_CAR (args); args = SCM_CDR (args); |
215 | fill = SCM_CAR (args); | |
216 | SCM_ASSERT (SCM_NIMP (str) && SCM_STRINGP (str), str, SCM_ARG1, s_substring_fill_x); | |
217 | SCM_ASSERT (SCM_INUMP (start), start, SCM_ARG2, s_substring_fill_x); | |
218 | SCM_ASSERT (SCM_INUMP (end), end, SCM_ARG3, s_substring_fill_x); | |
219 | SCM_ASSERT (SCM_ICHRP (fill), fill, SCM_ARG4, s_substring_fill_x); | |
220 | i = SCM_INUM (start), e = SCM_INUM (end);c = SCM_ICHR (fill); | |
221 | SCM_ASSERT (i <= SCM_LENGTH (str) && i >= 0, start, SCM_OUTOFRANGE, s_substring_fill_x); | |
222 | SCM_ASSERT (e <= SCM_LENGTH (str) && e >= 0, end, SCM_OUTOFRANGE, s_substring_fill_x); | |
223 | while (i<e) SCM_CHARS (str)[i++] = c; | |
224 | return SCM_UNSPECIFIED; | |
225 | } | |
226 | ||
227 | ||
228 | SCM_PROC(s_string_null_p, "string-null?", 1, 0, 0, scm_string_null_p); | |
1cc91f1b | 229 | |
0f2d19dd JB |
230 | SCM |
231 | scm_string_null_p (str) | |
232 | SCM str; | |
0f2d19dd JB |
233 | { |
234 | SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1, s_string_null_p); | |
235 | return (SCM_ROLENGTH (str) | |
236 | ? SCM_BOOL_F | |
237 | : SCM_BOOL_T); | |
238 | } | |
239 | ||
240 | ||
241 | SCM_PROC(s_string_to_list, "string->list", 1, 0, 0, scm_string_to_list); | |
1cc91f1b | 242 | |
0f2d19dd JB |
243 | SCM |
244 | scm_string_to_list (str) | |
245 | SCM str; | |
0f2d19dd JB |
246 | { |
247 | long i; | |
248 | SCM res = SCM_EOL; | |
249 | unsigned char *src; | |
250 | SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1, s_string_to_list); | |
251 | src = SCM_ROUCHARS (str); | |
252 | for (i = SCM_ROLENGTH (str)-1;i >= 0;i--) res = scm_cons ((SCM)SCM_MAKICHR (src[i]), res); | |
253 | return res; | |
254 | } | |
255 | ||
256 | ||
257 | ||
258 | SCM_PROC(s_string_copy, "string-copy", 1, 0, 0, scm_string_copy); | |
1cc91f1b | 259 | |
0f2d19dd JB |
260 | SCM |
261 | scm_string_copy (str) | |
262 | SCM str; | |
0f2d19dd | 263 | { |
3d8d56df GH |
264 | /* doesn't handle multibyte strings. */ |
265 | SCM_ASSERT (SCM_NIMP (str) && (SCM_STRINGP (str) || SCM_SUBSTRP (str)), | |
266 | str, SCM_ARG1, s_string_copy); | |
267 | return scm_makfromstr (SCM_ROCHARS (str), (scm_sizet)SCM_ROLENGTH (str), 0); | |
0f2d19dd JB |
268 | } |
269 | ||
270 | ||
271 | SCM_PROC(s_string_fill_x, "string-fill!", 2, 0, 0, scm_string_fill_x); | |
1cc91f1b | 272 | |
0f2d19dd JB |
273 | SCM |
274 | scm_string_fill_x (str, chr) | |
275 | SCM str; | |
276 | SCM chr; | |
0f2d19dd JB |
277 | { |
278 | register char *dst, c; | |
279 | register long k; | |
280 | SCM_ASSERT (SCM_NIMP (str) && SCM_STRINGP (str), str, SCM_ARG1, s_string_fill_x); | |
281 | SCM_ASSERT (SCM_ICHRP (chr), chr, SCM_ARG2, s_string_fill_x); | |
282 | c = SCM_ICHR (chr); | |
283 | dst = SCM_CHARS (str); | |
284 | for (k = SCM_LENGTH (str)-1;k >= 0;k--) dst[k] = c; | |
285 | return SCM_UNSPECIFIED; | |
286 | } | |
287 | ||
c101e39e GH |
288 | SCM_PROC(s_string_upcase_x, "string-upcase!", 1, 0, 0, scm_string_upcase_x); |
289 | ||
290 | SCM | |
291 | scm_string_upcase_x (v) | |
292 | SCM v; | |
293 | { | |
294 | register long k; | |
295 | register unsigned char *cs; | |
296 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
297 | k = SCM_LENGTH (v); | |
298 | switch SCM_TYP7 | |
299 | (v) | |
300 | { | |
301 | case scm_tc7_string: | |
302 | cs = SCM_UCHARS (v); | |
303 | while (k--) | |
304 | cs[k] = scm_upcase(cs[k]); | |
305 | break; | |
306 | default: | |
307 | badarg1:scm_wta (v, (char *) SCM_ARG1, s_string_upcase_x); | |
308 | } | |
309 | return v; | |
310 | } | |
311 | ||
312 | SCM_PROC(s_string_downcase_x, "string-downcase!", 1, 0, 0, scm_string_downcase_x); | |
313 | ||
314 | SCM | |
315 | scm_string_downcase_x (v) | |
316 | SCM v; | |
317 | { | |
318 | register long k; | |
319 | register unsigned char *cs; | |
320 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
321 | k = SCM_LENGTH (v); | |
322 | switch SCM_TYP7 | |
323 | (v) | |
324 | { | |
325 | case scm_tc7_string: | |
326 | cs = SCM_UCHARS (v); | |
327 | while (k--) | |
328 | cs[k] = scm_downcase(cs[k]); | |
329 | break; | |
330 | default: | |
331 | badarg1:scm_wta (v, (char *) SCM_ARG1, s_string_downcase_x); | |
332 | } | |
333 | return v; | |
334 | } | |
0f2d19dd | 335 | |
1cc91f1b | 336 | |
0f2d19dd JB |
337 | void |
338 | scm_init_strop () | |
0f2d19dd JB |
339 | { |
340 | #include "strop.x" | |
341 | } | |
342 |