Annotation of src/usr.bin/indent/args.c, Revision 1.11
1.11 ! mickey 1: /* $OpenBSD: args.c,v 1.10 2002/10/04 15:31:17 mickey Exp $ */
1.2 deraadt 2:
1.1 deraadt 3: /*
1.6 pjanzen 4: * Copyright (c) 1980, 1993
5: * The Regents of the University of California.
6: * Copyright (c) 1976 Board of Trustees of the University of Illinois.
1.1 deraadt 7: * Copyright (c) 1985 Sun Microsystems, Inc.
8: * All rights reserved.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed by the University of
21: * California, Berkeley and its contributors.
22: * 4. Neither the name of the University nor the names of its contributors
23: * may be used to endorse or promote products derived from this software
24: * without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36: * SUCH DAMAGE.
37: */
38:
39: #ifndef lint
1.6 pjanzen 40: /*static char sccsid[] = "@(#)args.c 8.1 (Berkeley) 6/6/93";*/
1.11 ! mickey 41: static char rcsid[] = "$OpenBSD: args.c,v 1.10 2002/10/04 15:31:17 mickey Exp $";
1.1 deraadt 42: #endif /* not lint */
43:
44: /*
45: * Argument scanning and profile reading code. Default parameters are set
46: * here as well.
47: */
48:
49: #include <stdio.h>
50: #include <ctype.h>
51: #include <stdlib.h>
52: #include <string.h>
1.3 millert 53: #include <errno.h>
1.1 deraadt 54: #include "indent_globs.h"
1.4 mickey 55: #include <err.h>
1.1 deraadt 56:
57: /* profile types */
58: #define PRO_SPECIAL 1 /* special case */
59: #define PRO_BOOL 2 /* boolean */
60: #define PRO_INT 3 /* integer */
1.6 pjanzen 61: #define PRO_FONT 4 /* troff font */
1.1 deraadt 62:
63: /* profile specials for booleans */
64: #define ON 1 /* turn it on */
65: #define OFF 0 /* turn it off */
66:
67: /* profile specials for specials */
68: #define IGN 1 /* ignore it */
69: #define CLI 2 /* case label indent (float) */
70: #define STDIN 3 /* use stdin */
71: #define KEY 4 /* type (keyword) */
72:
73: char *option_source = "?";
74:
75: /*
76: * N.B.: because of the way the table here is scanned, options whose names are
77: * substrings of other options must occur later; that is, with -lp vs -l, -lp
78: * must be first. Also, while (most) booleans occur more than once, the last
79: * default value is the one actually assigned.
80: */
81: struct pro {
82: char *p_name; /* name, eg -bl, -cli */
83: int p_type; /* type (int, bool, special) */
84: int p_default; /* the default value (if int) */
85: int p_special; /* depends on type */
86: int *p_obj; /* the associated variable */
87: } pro[] = {
88:
1.4 mickey 89: { "T", PRO_SPECIAL, 0, KEY, 0 },
90: {"bacc", PRO_BOOL, false, ON,
91: &blanklines_around_conditional_compilation },
92: {"badp", PRO_BOOL, false, ON,
93: &blanklines_after_declarations_at_proctop },
94: {"bad", PRO_BOOL, false, ON, &blanklines_after_declarations },
95: {"bap", PRO_BOOL, false, ON, &blanklines_after_procs },
96: {"bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments },
97: {"bc", PRO_BOOL, true, OFF, &ps.leave_comma },
98: {"bl", PRO_BOOL, true, OFF, &btype_2 },
99: {"br", PRO_BOOL, true, ON, &btype_2 },
100: {"bs", PRO_BOOL, false, ON, &Bill_Shannon },
101: {"cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline },
102: {"cd", PRO_INT, 0, 0, &ps.decl_com_ind },
103: {"ce", PRO_BOOL, true, ON, &cuddle_else },
104: {"ci", PRO_INT, 0, 0, &continuation_indent },
105: {"cli", PRO_SPECIAL, 0, CLI, 0 },
106: {"c", PRO_INT, 33, 0, &ps.com_ind },
107: {"di", PRO_INT, 16, 0, &ps.decl_indent },
108: {"dj", PRO_BOOL, false, ON, &ps.ljust_decl },
109: {"d", PRO_INT, 0, 0, &ps.unindent_displace },
110: {"eei", PRO_BOOL, false, ON, &extra_expression_indent },
111: {"ei", PRO_BOOL, true, ON, &ps.else_if },
112: {"fbc", PRO_FONT, 0, 0, (int *) &blkcomf },
113: {"fbx", PRO_FONT, 0, 0, (int *) &boxcomf },
114: {"fb", PRO_FONT, 0, 0, (int *) &bodyf },
115: {"fc1", PRO_BOOL, true, ON, &format_col1_comments },
116: {"fc", PRO_FONT, 0, 0, (int *) &scomf },
117: {"fk", PRO_FONT, 0, 0, (int *) &keywordf },
118: {"fs", PRO_FONT, 0, 0, (int *) &stringf },
119: {"ip", PRO_BOOL, true, ON, &ps.indent_parameters },
120: {"i", PRO_INT, 8, 0, &ps.ind_size },
121: {"lc", PRO_INT, 0, 0, &block_comment_max_col },
122: {"lp", PRO_BOOL, true, ON, &lineup_to_parens },
123: {"l", PRO_INT, 78, 0, &max_col },
124: {"nbacc", PRO_BOOL, false, OFF,
125: &blanklines_around_conditional_compilation },
126: {"nbadp", PRO_BOOL, false, OFF,
127: &blanklines_after_declarations_at_proctop },
128: {"nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations },
129: {"nbap", PRO_BOOL, false, OFF, &blanklines_after_procs },
130: {"nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments },
131: {"nbc", PRO_BOOL, true, ON, &ps.leave_comma },
132: {"nbs", PRO_BOOL, false, OFF, &Bill_Shannon },
133: {"ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline },
134: {"nce", PRO_BOOL, true, OFF, &cuddle_else },
135: {"ndj", PRO_BOOL, false, OFF, &ps.ljust_decl },
136: {"neei", PRO_BOOL, false, OFF, &extra_expression_indent },
137: {"nei", PRO_BOOL, true, OFF, &ps.else_if },
138: {"nfc1", PRO_BOOL, true, OFF, &format_col1_comments },
139: {"nip", PRO_BOOL, true, OFF, &ps.indent_parameters },
140: {"nlp", PRO_BOOL, true, OFF, &lineup_to_parens },
141: {"npcs", PRO_BOOL, false, OFF, &proc_calls_space },
142: {"npro", PRO_SPECIAL, 0, IGN, 0 },
143: {"npsl", PRO_BOOL, true, OFF, &procnames_start_line },
144: {"nps", PRO_BOOL, false, OFF, &pointer_as_binop },
145: {"nsc", PRO_BOOL, true, OFF, &star_comment_cont },
146: {"nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines },
147: {"nv", PRO_BOOL, false, OFF, &verbose },
148: {"pcs", PRO_BOOL, false, ON, &proc_calls_space },
149: {"psl", PRO_BOOL, true, ON, &procnames_start_line },
150: {"ps", PRO_BOOL, false, ON, &pointer_as_binop },
151: {"sc", PRO_BOOL, true, ON, &star_comment_cont },
152: {"sob", PRO_BOOL, false, ON, &swallow_optional_blanklines },
153: {"st", PRO_SPECIAL, 0, STDIN, 0 },
154: {"troff", PRO_BOOL, false, ON, &troff },
155: {"v", PRO_BOOL, false, ON, &verbose },
156: /* whew! */
157: { 0, 0, 0, 0, 0 }
1.1 deraadt 158: };
159:
1.9 millert 160: void scan_profile(FILE *);
161: void set_option(char *);
1.4 mickey 162:
1.1 deraadt 163: /*
164: * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments
165: * given in these files.
166: */
1.4 mickey 167: void
1.1 deraadt 168: set_profile()
169: {
1.6 pjanzen 170: FILE *f;
1.1 deraadt 171: char fname[BUFSIZ];
1.5 millert 172: char *home;
1.1 deraadt 173: static char prof[] = ".indent.pro";
174:
1.5 millert 175: home = getenv("HOME");
176: if (home != NULL && *home != '\0') {
1.6 pjanzen 177: if (strlen(home) + sizeof(prof) + 1 > sizeof(fname)) {
1.5 millert 178: warnx("%s/%s: %s", home, prof, strerror(ENAMETOOLONG));
179: return;
180: }
181: sprintf(fname, "%s/%s", home, prof);
182: if ((f = fopen(option_source = fname, "r")) != NULL) {
183: scan_profile(f);
184: (void) fclose(f);
185: }
1.1 deraadt 186: }
187: if ((f = fopen(option_source = prof, "r")) != NULL) {
188: scan_profile(f);
189: (void) fclose(f);
190: }
191: option_source = "Command line";
192: }
193:
1.4 mickey 194: void
1.1 deraadt 195: scan_profile(f)
1.6 pjanzen 196: FILE *f;
1.1 deraadt 197: {
1.6 pjanzen 198: int i;
199: char *p;
1.1 deraadt 200: char buf[BUFSIZ];
201:
202: while (1) {
1.6 pjanzen 203: for (p = buf;
204: (i = getc(f)) != EOF && (*p = i) > ' ' && p + 1 - buf < BUFSIZ;
205: ++p)
206: ;
1.1 deraadt 207: if (p != buf) {
1.6 pjanzen 208: *p = 0;
1.1 deraadt 209: if (verbose)
210: printf("profile: %s\n", buf);
211: set_option(buf);
212: }
213: else if (i == EOF)
214: return;
215: }
216: }
217:
218: char *param_start;
219:
1.4 mickey 220: int
1.1 deraadt 221: eqin(s1, s2)
1.6 pjanzen 222: char *s1;
223: char *s2;
1.1 deraadt 224: {
225: while (*s1) {
226: if (*s1++ != *s2++)
227: return (false);
228: }
229: param_start = s2;
230: return (true);
231: }
232:
233: /*
234: * Set the defaults.
235: */
1.4 mickey 236: void
1.1 deraadt 237: set_defaults()
238: {
1.6 pjanzen 239: struct pro *p;
1.1 deraadt 240:
241: /*
242: * Because ps.case_indent is a float, we can't initialize it from the
243: * table:
244: */
245: ps.case_indent = 0.0; /* -cli0.0 */
246: for (p = pro; p->p_name; p++)
247: if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT)
248: *p->p_obj = p->p_default;
249: }
250:
1.4 mickey 251: void
1.1 deraadt 252: set_option(arg)
1.6 pjanzen 253: char *arg;
1.1 deraadt 254: {
1.8 mpech 255: struct pro *p;
1.1 deraadt 256:
257: arg++; /* ignore leading "-" */
258: for (p = pro; p->p_name; p++)
259: if (*p->p_name == *arg && eqin(p->p_name, arg))
260: goto found;
1.6 pjanzen 261: errx(1, "%s: unknown parameter \"%s\"", option_source, arg - 1);
1.1 deraadt 262: found:
263: switch (p->p_type) {
264:
265: case PRO_SPECIAL:
266: switch (p->p_special) {
267:
268: case IGN:
269: break;
270:
271: case CLI:
272: if (*param_start == 0)
273: goto need_param;
274: ps.case_indent = atof(param_start);
275: break;
276:
277: case STDIN:
278: if (input == 0)
279: input = stdin;
280: if (output == 0)
281: output = stdout;
282: break;
283:
284: case KEY:
285: if (*param_start == 0)
286: goto need_param;
287: {
1.6 pjanzen 288: char *str;
289: if ((str = strdup(param_start)) == NULL)
1.7 pjanzen 290: err(1, NULL);
1.1 deraadt 291: addkey(str, 4);
292: }
293: break;
294:
295: default:
1.10 mickey 296: errx(1, "set_option: internal error: p_special %d", p->p_special);
1.1 deraadt 297: }
298: break;
299:
300: case PRO_BOOL:
301: if (p->p_special == OFF)
302: *p->p_obj = false;
303: else
304: *p->p_obj = true;
305: break;
306:
307: case PRO_INT:
308: if (!isdigit(*param_start)) {
309: need_param:
1.10 mickey 310: errx(1, "%s: ``%s'' requires a parameter", option_source, arg - 1);
1.1 deraadt 311: }
312: *p->p_obj = atoi(param_start);
1.10 mickey 313: if (*p->p_name == 'i' && *p->p_obj <= 0)
314: errx(1, "%s: ``%s must be greater of zero''",
315: option_source, arg - 1);
1.11 ! mickey 316: break;
1.1 deraadt 317:
318: case PRO_FONT:
319: parsefont((struct fstate *) p->p_obj, param_start);
320: break;
321:
322: default:
1.10 mickey 323: errx(1, "set_option: internal error: p_type %d", p->p_type);
1.1 deraadt 324: }
325: }
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