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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 | |
82892bed JB |
16 | along with this software; see the file COPYING. If not, write to the |
17 | Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA */ | |
0f2d19dd JB |
19 | |
20 | \f | |
21 | ||
22 | #include <stdio.h> | |
23 | #include "_scm.h" | |
20e6290e | 24 | #include "chars.h" |
0f2d19dd | 25 | |
20e6290e | 26 | #include "strop.h" |
0f2d19dd JB |
27 | \f |
28 | ||
1cc91f1b | 29 | |
03bc4386 | 30 | 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 | 31 | |
03bc4386 GH |
32 | /* implements index if direction > 0 otherwise rindex. */ |
33 | static int | |
34 | scm_i_index (str, chr, direction, sub_start, sub_end, pos, pos2, pos3, pos4, | |
35 | why) | |
0f2d19dd JB |
36 | SCM * str; |
37 | SCM chr; | |
03bc4386 | 38 | int direction; |
0f2d19dd JB |
39 | SCM sub_start; |
40 | SCM sub_end; | |
41 | int pos; | |
42 | int pos2; | |
43 | int pos3; | |
44 | int pos4; | |
45 | char * why; | |
0f2d19dd JB |
46 | { |
47 | unsigned char * p; | |
48 | int x; | |
03bc4386 GH |
49 | int lower; |
50 | int upper; | |
0f2d19dd JB |
51 | int ch; |
52 | ||
53 | SCM_ASSERT (SCM_NIMP (*str) && SCM_ROSTRINGP (*str), *str, pos, why); | |
54 | SCM_ASSERT (SCM_ICHRP (chr), chr, pos2, why); | |
55 | ||
56 | if (sub_start == SCM_BOOL_F) | |
57 | sub_start = SCM_MAKINUM (0); | |
03bc4386 GH |
58 | |
59 | SCM_ASSERT (SCM_INUMP (sub_start), sub_start, pos3, why); | |
60 | lower = SCM_INUM (sub_start); | |
61 | if (lower < 0 | |
67ec3667 | 62 | || lower > SCM_ROLENGTH (*str)) |
03bc4386 | 63 | scm_out_of_range (why, sub_start); |
0f2d19dd JB |
64 | |
65 | if (sub_end == SCM_BOOL_F) | |
66 | sub_end = SCM_MAKINUM (SCM_ROLENGTH (*str)); | |
03bc4386 GH |
67 | |
68 | SCM_ASSERT (SCM_INUMP (sub_end), sub_end, pos4, why); | |
69 | upper = SCM_INUM (sub_end); | |
70 | if (upper < SCM_INUM (sub_start) | |
71 | || upper > SCM_ROLENGTH (*str)) | |
72 | scm_out_of_range (why, sub_end); | |
73 | ||
74 | if (direction > 0) | |
75 | { | |
76 | p = (unsigned char *)SCM_ROCHARS (*str) + lower; | |
77 | ch = SCM_ICHR (chr); | |
78 | ||
79 | for (x = SCM_INUM (sub_start); x < upper; ++x, ++p) | |
80 | if (*p == ch) | |
81 | return x; | |
82 | } | |
0f2d19dd | 83 | else |
03bc4386 GH |
84 | { |
85 | p = upper - 1 + (unsigned char *)SCM_ROCHARS (*str); | |
86 | ch = SCM_ICHR (chr); | |
87 | for (x = upper - 1; x >= lower; --x, --p) | |
88 | if (*p == ch) | |
89 | return x; | |
90 | } | |
0f2d19dd JB |
91 | |
92 | return -1; | |
93 | } | |
94 | ||
0f2d19dd | 95 | SCM_PROC(s_string_index, "string-index", 2, 2, 0, scm_string_index); |
1cc91f1b | 96 | |
0f2d19dd JB |
97 | SCM |
98 | scm_string_index (str, chr, frm, to) | |
99 | SCM str; | |
100 | SCM chr; | |
101 | SCM frm; | |
102 | SCM to; | |
0f2d19dd JB |
103 | { |
104 | int pos; | |
105 | ||
106 | if (frm == SCM_UNDEFINED) | |
107 | frm = SCM_BOOL_F; | |
108 | if (to == SCM_UNDEFINED) | |
109 | to = SCM_BOOL_F; | |
03bc4386 | 110 | pos = scm_i_index (&str, chr, 1, frm, to, SCM_ARG1, SCM_ARG2, SCM_ARG3, SCM_ARG4, s_string_index); |
0f2d19dd JB |
111 | return (pos < 0 |
112 | ? SCM_BOOL_F | |
113 | : SCM_MAKINUM (pos)); | |
114 | } | |
115 | ||
116 | SCM_PROC(s_string_rindex, "string-rindex", 2, 2, 0, scm_string_rindex); | |
1cc91f1b | 117 | |
0f2d19dd JB |
118 | SCM |
119 | scm_string_rindex (str, chr, frm, to) | |
120 | SCM str; | |
121 | SCM chr; | |
122 | SCM frm; | |
123 | SCM to; | |
0f2d19dd JB |
124 | { |
125 | int pos; | |
126 | ||
127 | if (frm == SCM_UNDEFINED) | |
128 | frm = SCM_BOOL_F; | |
129 | if (to == SCM_UNDEFINED) | |
130 | to = SCM_BOOL_F; | |
20a54673 | 131 | pos = scm_i_index (&str, chr, -1, frm, to, SCM_ARG1, SCM_ARG2, SCM_ARG3, SCM_ARG4, s_string_rindex); |
0f2d19dd JB |
132 | return (pos < 0 |
133 | ? SCM_BOOL_F | |
134 | : SCM_MAKINUM (pos)); | |
135 | } | |
0f2d19dd JB |
136 | |
137 | SCM_PROC(s_substring_move_left_x, "substring-move-left!", 2, 0, 1, scm_substring_move_left_x); | |
1cc91f1b | 138 | |
0f2d19dd JB |
139 | SCM |
140 | scm_substring_move_left_x (str1, start1, args) | |
141 | SCM str1; | |
142 | SCM start1; | |
143 | SCM args; | |
0f2d19dd JB |
144 | { |
145 | SCM end1, str2, start2; | |
146 | long i, j, e; | |
f5bf2977 GH |
147 | SCM_ASSERT (3==scm_ilength (args), scm_makfrom0str (s_substring_move_left_x), |
148 | SCM_WNA, NULL); | |
0f2d19dd JB |
149 | end1 = SCM_CAR (args); args = SCM_CDR (args); |
150 | str2 = SCM_CAR (args); args = SCM_CDR (args); | |
151 | start2 = SCM_CAR (args); | |
152 | SCM_ASSERT (SCM_NIMP (str1) && SCM_STRINGP (str1), str1, SCM_ARG1, s_substring_move_left_x); | |
153 | SCM_ASSERT (SCM_INUMP (start1), start1, SCM_ARG2, s_substring_move_left_x); | |
154 | SCM_ASSERT (SCM_INUMP (end1), end1, SCM_ARG3, s_substring_move_left_x); | |
155 | SCM_ASSERT (SCM_NIMP (str2) && SCM_STRINGP (str2), str2, SCM_ARG4, s_substring_move_left_x); | |
156 | SCM_ASSERT (SCM_INUMP (start2), start2, SCM_ARG5, s_substring_move_left_x); | |
157 | i = SCM_INUM (start1), j = SCM_INUM (start2), e = SCM_INUM (end1); | |
158 | SCM_ASSERT (i <= SCM_LENGTH (str1) && i >= 0, start1, SCM_OUTOFRANGE, s_substring_move_left_x); | |
159 | SCM_ASSERT (j <= SCM_LENGTH (str2) && j >= 0, start2, SCM_OUTOFRANGE, s_substring_move_left_x); | |
160 | SCM_ASSERT (e <= SCM_LENGTH (str1) && e >= 0, end1, SCM_OUTOFRANGE, s_substring_move_left_x); | |
161 | SCM_ASSERT (e-i+j <= SCM_LENGTH (str2), start2, SCM_OUTOFRANGE, s_substring_move_left_x); | |
162 | while (i<e) SCM_CHARS (str2)[j++] = SCM_CHARS (str1)[i++]; | |
163 | return SCM_UNSPECIFIED; | |
164 | } | |
165 | ||
166 | ||
167 | SCM_PROC(s_substring_move_right_x, "substring-move-right!", 2, 0, 1, scm_substring_move_right_x); | |
1cc91f1b | 168 | |
0f2d19dd JB |
169 | SCM |
170 | scm_substring_move_right_x (str1, start1, args) | |
171 | SCM str1; | |
172 | SCM start1; | |
173 | SCM args; | |
0f2d19dd JB |
174 | { |
175 | SCM end1, str2, start2; | |
176 | long i, j, e; | |
f5bf2977 GH |
177 | SCM_ASSERT (3==scm_ilength (args), |
178 | scm_makfrom0str (s_substring_move_right_x), SCM_WNA, NULL); | |
0f2d19dd JB |
179 | end1 = SCM_CAR (args); args = SCM_CDR (args); |
180 | str2 = SCM_CAR (args); args = SCM_CDR (args); | |
181 | start2 = SCM_CAR (args); | |
182 | SCM_ASSERT (SCM_NIMP (str1) && SCM_STRINGP (str1), str1, SCM_ARG1, s_substring_move_right_x); | |
183 | SCM_ASSERT (SCM_INUMP (start1), start1, SCM_ARG2, s_substring_move_right_x); | |
184 | SCM_ASSERT (SCM_INUMP (end1), end1, SCM_ARG3, s_substring_move_right_x); | |
185 | SCM_ASSERT (SCM_NIMP (str2) && SCM_STRINGP (str2), str2, SCM_ARG4, s_substring_move_right_x); | |
186 | SCM_ASSERT (SCM_INUMP (start2), start2, SCM_ARG5, s_substring_move_right_x); | |
187 | i = SCM_INUM (start1), j = SCM_INUM (start2), e = SCM_INUM (end1); | |
188 | SCM_ASSERT (i <= SCM_LENGTH (str1) && i >= 0, start1, SCM_OUTOFRANGE, s_substring_move_right_x); | |
189 | SCM_ASSERT (j <= SCM_LENGTH (str2) && j >= 0, start2, SCM_OUTOFRANGE, s_substring_move_right_x); | |
190 | SCM_ASSERT (e <= SCM_LENGTH (str1) && e >= 0, end1, SCM_OUTOFRANGE, s_substring_move_right_x); | |
191 | SCM_ASSERT ((j = e-i+j) <= SCM_LENGTH (str2), start2, SCM_OUTOFRANGE, s_substring_move_right_x); | |
192 | while (i<e) SCM_CHARS (str2)[--j] = SCM_CHARS (str1)[--e]; | |
193 | return SCM_UNSPECIFIED; | |
194 | } | |
195 | ||
196 | ||
197 | SCM_PROC(s_substring_fill_x, "substring-fill!", 2, 0, 1, scm_substring_fill_x); | |
1cc91f1b | 198 | |
0f2d19dd JB |
199 | SCM |
200 | scm_substring_fill_x (str, start, args) | |
201 | SCM str; | |
202 | SCM start; | |
203 | SCM args; | |
0f2d19dd JB |
204 | { |
205 | SCM end, fill; | |
206 | long i, e; | |
207 | char c; | |
f5bf2977 GH |
208 | SCM_ASSERT (2==scm_ilength (args), scm_makfrom0str (s_substring_fill_x), |
209 | SCM_WNA, NULL); | |
0f2d19dd JB |
210 | end = SCM_CAR (args); args = SCM_CDR (args); |
211 | fill = SCM_CAR (args); | |
212 | SCM_ASSERT (SCM_NIMP (str) && SCM_STRINGP (str), str, SCM_ARG1, s_substring_fill_x); | |
213 | SCM_ASSERT (SCM_INUMP (start), start, SCM_ARG2, s_substring_fill_x); | |
214 | SCM_ASSERT (SCM_INUMP (end), end, SCM_ARG3, s_substring_fill_x); | |
215 | SCM_ASSERT (SCM_ICHRP (fill), fill, SCM_ARG4, s_substring_fill_x); | |
216 | i = SCM_INUM (start), e = SCM_INUM (end);c = SCM_ICHR (fill); | |
217 | SCM_ASSERT (i <= SCM_LENGTH (str) && i >= 0, start, SCM_OUTOFRANGE, s_substring_fill_x); | |
218 | SCM_ASSERT (e <= SCM_LENGTH (str) && e >= 0, end, SCM_OUTOFRANGE, s_substring_fill_x); | |
219 | while (i<e) SCM_CHARS (str)[i++] = c; | |
220 | return SCM_UNSPECIFIED; | |
221 | } | |
222 | ||
223 | ||
224 | SCM_PROC(s_string_null_p, "string-null?", 1, 0, 0, scm_string_null_p); | |
1cc91f1b | 225 | |
0f2d19dd JB |
226 | SCM |
227 | scm_string_null_p (str) | |
228 | SCM str; | |
0f2d19dd JB |
229 | { |
230 | SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1, s_string_null_p); | |
231 | return (SCM_ROLENGTH (str) | |
232 | ? SCM_BOOL_F | |
233 | : SCM_BOOL_T); | |
234 | } | |
235 | ||
236 | ||
237 | SCM_PROC(s_string_to_list, "string->list", 1, 0, 0, scm_string_to_list); | |
1cc91f1b | 238 | |
0f2d19dd JB |
239 | SCM |
240 | scm_string_to_list (str) | |
241 | SCM str; | |
0f2d19dd JB |
242 | { |
243 | long i; | |
244 | SCM res = SCM_EOL; | |
245 | unsigned char *src; | |
246 | SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1, s_string_to_list); | |
247 | src = SCM_ROUCHARS (str); | |
248 | for (i = SCM_ROLENGTH (str)-1;i >= 0;i--) res = scm_cons ((SCM)SCM_MAKICHR (src[i]), res); | |
249 | return res; | |
250 | } | |
251 | ||
252 | ||
253 | ||
254 | SCM_PROC(s_string_copy, "string-copy", 1, 0, 0, scm_string_copy); | |
1cc91f1b | 255 | |
0f2d19dd JB |
256 | SCM |
257 | scm_string_copy (str) | |
258 | SCM str; | |
0f2d19dd | 259 | { |
3d8d56df GH |
260 | SCM_ASSERT (SCM_NIMP (str) && (SCM_STRINGP (str) || SCM_SUBSTRP (str)), |
261 | str, SCM_ARG1, s_string_copy); | |
262 | return scm_makfromstr (SCM_ROCHARS (str), (scm_sizet)SCM_ROLENGTH (str), 0); | |
0f2d19dd JB |
263 | } |
264 | ||
265 | ||
266 | SCM_PROC(s_string_fill_x, "string-fill!", 2, 0, 0, scm_string_fill_x); | |
1cc91f1b | 267 | |
0f2d19dd JB |
268 | SCM |
269 | scm_string_fill_x (str, chr) | |
270 | SCM str; | |
271 | SCM chr; | |
0f2d19dd JB |
272 | { |
273 | register char *dst, c; | |
274 | register long k; | |
275 | SCM_ASSERT (SCM_NIMP (str) && SCM_STRINGP (str), str, SCM_ARG1, s_string_fill_x); | |
276 | SCM_ASSERT (SCM_ICHRP (chr), chr, SCM_ARG2, s_string_fill_x); | |
277 | c = SCM_ICHR (chr); | |
278 | dst = SCM_CHARS (str); | |
279 | for (k = SCM_LENGTH (str)-1;k >= 0;k--) dst[k] = c; | |
280 | return SCM_UNSPECIFIED; | |
281 | } | |
282 | ||
c101e39e GH |
283 | SCM_PROC(s_string_upcase_x, "string-upcase!", 1, 0, 0, scm_string_upcase_x); |
284 | ||
285 | SCM | |
286 | scm_string_upcase_x (v) | |
287 | SCM v; | |
288 | { | |
289 | register long k; | |
290 | register unsigned char *cs; | |
291 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
292 | k = SCM_LENGTH (v); | |
293 | switch SCM_TYP7 | |
294 | (v) | |
295 | { | |
296 | case scm_tc7_string: | |
297 | cs = SCM_UCHARS (v); | |
298 | while (k--) | |
299 | cs[k] = scm_upcase(cs[k]); | |
300 | break; | |
301 | default: | |
302 | badarg1:scm_wta (v, (char *) SCM_ARG1, s_string_upcase_x); | |
303 | } | |
304 | return v; | |
305 | } | |
306 | ||
307 | SCM_PROC(s_string_downcase_x, "string-downcase!", 1, 0, 0, scm_string_downcase_x); | |
308 | ||
309 | SCM | |
310 | scm_string_downcase_x (v) | |
311 | SCM v; | |
312 | { | |
313 | register long k; | |
314 | register unsigned char *cs; | |
315 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
316 | k = SCM_LENGTH (v); | |
317 | switch SCM_TYP7 | |
318 | (v) | |
319 | { | |
320 | case scm_tc7_string: | |
321 | cs = SCM_UCHARS (v); | |
322 | while (k--) | |
323 | cs[k] = scm_downcase(cs[k]); | |
324 | break; | |
325 | default: | |
326 | badarg1:scm_wta (v, (char *) SCM_ARG1, s_string_downcase_x); | |
327 | } | |
328 | return v; | |
329 | } | |
0f2d19dd | 330 | |
1cc91f1b | 331 | |
0f2d19dd JB |
332 | void |
333 | scm_init_strop () | |
0f2d19dd JB |
334 | { |
335 | #include "strop.x" | |
336 | } | |
337 |