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78a0461a | 1 | /* Copyright (C) 1995, 1996, 1999 Free Software Foundation, Inc. |
0f2d19dd JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
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17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
6e8d25a6 GB |
41 | |
42 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
43 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
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44 | \f |
45 | ||
46 | #include <stdio.h> | |
47 | #include "_scm.h" | |
20e6290e | 48 | #include "chars.h" |
0f2d19dd | 49 | |
6e8d25a6 | 50 | #include "scm_validate.h" |
20e6290e | 51 | #include "strorder.h" |
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52 | \f |
53 | ||
6e8d25a6 GB |
54 | GUILE_PROC1 (scm_string_equal_p, "string=?", scm_tc7_rpsubr, |
55 | (SCM s1, SCM s2), | |
56 | "") | |
57 | #define FUNC_NAME s_scm_string_equal_p | |
0f2d19dd JB |
58 | { |
59 | register scm_sizet i; | |
dbe26481 | 60 | register unsigned char *c1, *c2; |
6e8d25a6 GB |
61 | SCM_VALIDATE_ROSTRING(1,s1); |
62 | SCM_VALIDATE_ROSTRING(2,s2); | |
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63 | |
64 | i = SCM_ROLENGTH (s2); | |
65 | if (SCM_ROLENGTH (s1) != i) | |
66 | { | |
67 | return SCM_BOOL_F; | |
68 | } | |
dbe26481 MD |
69 | c1 = SCM_ROUCHARS (s1); |
70 | c2 = SCM_ROUCHARS (s2); | |
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71 | while (0 != i--) |
72 | if (*c1++ != *c2++) | |
73 | return SCM_BOOL_F; | |
74 | return SCM_BOOL_T; | |
75 | } | |
6e8d25a6 | 76 | #undef FUNC_NAME |
0f2d19dd | 77 | |
6e8d25a6 GB |
78 | GUILE_PROC1 (scm_string_ci_equal_p, "string-ci=?", scm_tc7_rpsubr, |
79 | (SCM s1, SCM s2), | |
80 | "") | |
81 | #define FUNC_NAME s_scm_string_ci_equal_p | |
0f2d19dd JB |
82 | { |
83 | register scm_sizet i; | |
84 | register unsigned char *c1, *c2; | |
6e8d25a6 GB |
85 | SCM_VALIDATE_ROSTRING(1,s1); |
86 | SCM_VALIDATE_ROSTRING(2,s2); | |
87 | ||
0f2d19dd JB |
88 | i = SCM_ROLENGTH (s2); |
89 | if (SCM_ROLENGTH (s1) != i) | |
90 | { | |
91 | return SCM_BOOL_F; | |
92 | } | |
93 | c1 = SCM_ROUCHARS (s1); | |
94 | c2 = SCM_ROUCHARS (s2); | |
95 | while (0 != i--) | |
96 | if (scm_upcase(*c1++) != scm_upcase(*c2++)) | |
97 | return SCM_BOOL_F; | |
98 | return SCM_BOOL_T; | |
99 | } | |
6e8d25a6 | 100 | #undef FUNC_NAME |
0f2d19dd | 101 | |
6e8d25a6 GB |
102 | GUILE_PROC1 (scm_string_less_p, "string<?", scm_tc7_rpsubr, |
103 | (SCM s1, SCM s2), | |
104 | "") | |
105 | #define FUNC_NAME s_scm_string_less_p | |
0f2d19dd JB |
106 | { |
107 | register scm_sizet i, len, s2len; | |
108 | register unsigned char *c1, *c2; | |
109 | register int c; | |
110 | ||
6e8d25a6 GB |
111 | SCM_VALIDATE_ROSTRING(1,s1); |
112 | SCM_VALIDATE_ROSTRING(2,s2); | |
0f2d19dd | 113 | len = SCM_ROLENGTH (s1); |
dd054d41 MD |
114 | s2len = SCM_ROLENGTH (s2); |
115 | if (len>s2len) len = s2len; | |
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116 | c1 = SCM_ROUCHARS (s1); |
117 | c2 = SCM_ROUCHARS (s2); | |
118 | ||
119 | for (i = 0;i<len;i++) { | |
120 | c = (*c1++ - *c2++); | |
121 | if (c>0) | |
122 | return SCM_BOOL_F; | |
123 | if (c<0) | |
124 | return SCM_BOOL_T; | |
125 | } | |
126 | { | |
127 | SCM answer; | |
156dcb09 | 128 | answer = SCM_BOOL(s2len != len); |
0f2d19dd JB |
129 | return answer; |
130 | } | |
131 | } | |
6e8d25a6 | 132 | #undef FUNC_NAME |
0f2d19dd | 133 | |
6e8d25a6 GB |
134 | GUILE_PROC1 (scm_string_leq_p, "string<=?", scm_tc7_rpsubr, |
135 | (SCM s1, SCM s2), | |
136 | "") | |
137 | #define FUNC_NAME s_scm_string_leq_p | |
0f2d19dd JB |
138 | { |
139 | return SCM_BOOL_NOT (scm_string_less_p (s2, s1)); | |
140 | } | |
6e8d25a6 | 141 | #undef FUNC_NAME |
0f2d19dd | 142 | |
6e8d25a6 GB |
143 | GUILE_PROC1 (scm_string_gr_p, "string>?", scm_tc7_rpsubr, |
144 | (SCM s1, SCM s2), | |
145 | "") | |
146 | #define FUNC_NAME s_scm_string_gr_p | |
0f2d19dd JB |
147 | { |
148 | return scm_string_less_p (s2, s1); | |
149 | } | |
6e8d25a6 | 150 | #undef FUNC_NAME |
0f2d19dd | 151 | |
6e8d25a6 GB |
152 | GUILE_PROC1 (scm_string_geq_p, "string>=?", scm_tc7_rpsubr, |
153 | (SCM s1, SCM s2), | |
154 | "") | |
155 | #define FUNC_NAME s_scm_string_geq_p | |
0f2d19dd JB |
156 | { |
157 | return SCM_BOOL_NOT (scm_string_less_p (s1, s2)); | |
158 | } | |
6e8d25a6 | 159 | #undef FUNC_NAME |
0f2d19dd | 160 | |
6e8d25a6 GB |
161 | GUILE_PROC1 (scm_string_ci_less_p, "string-ci<?", scm_tc7_rpsubr, |
162 | (SCM s1, SCM s2), | |
163 | "") | |
164 | #define FUNC_NAME s_scm_string_ci_less_p | |
0f2d19dd JB |
165 | { |
166 | register scm_sizet i, len, s2len; | |
167 | register unsigned char *c1, *c2; | |
168 | register int c; | |
6e8d25a6 GB |
169 | SCM_VALIDATE_ROSTRING(1,s1); |
170 | SCM_VALIDATE_ROSTRING(2,s2); | |
0f2d19dd | 171 | len = SCM_ROLENGTH (s1); |
dd054d41 MD |
172 | s2len = SCM_ROLENGTH (s2); |
173 | if (len>s2len) len = s2len; | |
0f2d19dd JB |
174 | c1 = SCM_ROUCHARS (s1); |
175 | c2 = SCM_ROUCHARS (s2); | |
176 | for (i = 0;i<len;i++) { | |
177 | c = (scm_upcase(*c1++) - scm_upcase(*c2++)); | |
178 | if (c>0) return SCM_BOOL_F; | |
179 | if (c<0) return SCM_BOOL_T; | |
180 | } | |
156dcb09 | 181 | return SCM_BOOL(s2len != len); |
0f2d19dd | 182 | } |
6e8d25a6 | 183 | #undef FUNC_NAME |
0f2d19dd | 184 | |
6e8d25a6 GB |
185 | GUILE_PROC1 (scm_string_ci_leq_p, "string-ci<=?", scm_tc7_rpsubr, |
186 | (SCM s1, SCM s2), | |
187 | "") | |
188 | #define FUNC_NAME s_scm_string_ci_leq_p | |
0f2d19dd JB |
189 | { |
190 | return SCM_BOOL_NOT (scm_string_ci_less_p (s2, s1)); | |
191 | } | |
6e8d25a6 | 192 | #undef FUNC_NAME |
0f2d19dd | 193 | |
6e8d25a6 GB |
194 | GUILE_PROC1 (scm_string_ci_gr_p, "string-ci>?", scm_tc7_rpsubr, |
195 | (SCM s1, SCM s2), | |
196 | "") | |
197 | #define FUNC_NAME s_scm_string_ci_gr_p | |
0f2d19dd JB |
198 | { |
199 | return scm_string_ci_less_p (s2, s1); | |
200 | } | |
6e8d25a6 | 201 | #undef FUNC_NAME |
0f2d19dd | 202 | |
6e8d25a6 GB |
203 | GUILE_PROC1 (scm_string_ci_geq_p, "string-ci>=?", scm_tc7_rpsubr, |
204 | (SCM s1, SCM s2), | |
205 | "") | |
206 | #define FUNC_NAME s_scm_string_ci_geq_p | |
0f2d19dd JB |
207 | { |
208 | return SCM_BOOL_NOT (scm_string_ci_less_p (s1, s2)); | |
209 | } | |
6e8d25a6 | 210 | #undef FUNC_NAME |
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211 | |
212 | \f | |
1cc91f1b | 213 | |
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214 | void |
215 | scm_init_strorder () | |
0f2d19dd JB |
216 | { |
217 | #include "strorder.x" | |
218 | } | |
219 |