Annotation of src/usr.bin/indent/args.c, Revision 1.15
1.15 ! deraadt 1: /* $OpenBSD: args.c,v 1.14 2004/07/20 03:50:26 deraadt 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.
1.13 deraadt 18: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 19: * may be used to endorse or promote products derived from this software
20: * without specific prior written permission.
21: *
22: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32: * SUCH DAMAGE.
33: */
34:
35: /*
36: * Argument scanning and profile reading code. Default parameters are set
37: * here as well.
38: */
39:
40: #include <stdio.h>
41: #include <ctype.h>
42: #include <stdlib.h>
43: #include <string.h>
1.3 millert 44: #include <errno.h>
1.1 deraadt 45: #include "indent_globs.h"
1.4 mickey 46: #include <err.h>
1.1 deraadt 47:
48: /* profile types */
49: #define PRO_SPECIAL 1 /* special case */
50: #define PRO_BOOL 2 /* boolean */
51: #define PRO_INT 3 /* integer */
1.6 pjanzen 52: #define PRO_FONT 4 /* troff font */
1.1 deraadt 53:
54: /* profile specials for booleans */
55: #define ON 1 /* turn it on */
56: #define OFF 0 /* turn it off */
57:
58: /* profile specials for specials */
59: #define IGN 1 /* ignore it */
60: #define CLI 2 /* case label indent (float) */
61: #define STDIN 3 /* use stdin */
62: #define KEY 4 /* type (keyword) */
63:
64: char *option_source = "?";
65:
66: /*
67: * N.B.: because of the way the table here is scanned, options whose names are
68: * substrings of other options must occur later; that is, with -lp vs -l, -lp
69: * must be first. Also, while (most) booleans occur more than once, the last
70: * default value is the one actually assigned.
71: */
72: struct pro {
73: char *p_name; /* name, eg -bl, -cli */
74: int p_type; /* type (int, bool, special) */
75: int p_default; /* the default value (if int) */
76: int p_special; /* depends on type */
77: int *p_obj; /* the associated variable */
78: } pro[] = {
79:
1.4 mickey 80: { "T", PRO_SPECIAL, 0, KEY, 0 },
81: {"bacc", PRO_BOOL, false, ON,
82: &blanklines_around_conditional_compilation },
83: {"badp", PRO_BOOL, false, ON,
84: &blanklines_after_declarations_at_proctop },
85: {"bad", PRO_BOOL, false, ON, &blanklines_after_declarations },
86: {"bap", PRO_BOOL, false, ON, &blanklines_after_procs },
87: {"bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments },
88: {"bc", PRO_BOOL, true, OFF, &ps.leave_comma },
89: {"bl", PRO_BOOL, true, OFF, &btype_2 },
90: {"br", PRO_BOOL, true, ON, &btype_2 },
91: {"bs", PRO_BOOL, false, ON, &Bill_Shannon },
92: {"cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline },
93: {"cd", PRO_INT, 0, 0, &ps.decl_com_ind },
94: {"ce", PRO_BOOL, true, ON, &cuddle_else },
95: {"ci", PRO_INT, 0, 0, &continuation_indent },
96: {"cli", PRO_SPECIAL, 0, CLI, 0 },
97: {"c", PRO_INT, 33, 0, &ps.com_ind },
98: {"di", PRO_INT, 16, 0, &ps.decl_indent },
99: {"dj", PRO_BOOL, false, ON, &ps.ljust_decl },
100: {"d", PRO_INT, 0, 0, &ps.unindent_displace },
101: {"eei", PRO_BOOL, false, ON, &extra_expression_indent },
102: {"ei", PRO_BOOL, true, ON, &ps.else_if },
103: {"fbc", PRO_FONT, 0, 0, (int *) &blkcomf },
104: {"fbx", PRO_FONT, 0, 0, (int *) &boxcomf },
105: {"fb", PRO_FONT, 0, 0, (int *) &bodyf },
106: {"fc1", PRO_BOOL, true, ON, &format_col1_comments },
107: {"fc", PRO_FONT, 0, 0, (int *) &scomf },
108: {"fk", PRO_FONT, 0, 0, (int *) &keywordf },
109: {"fs", PRO_FONT, 0, 0, (int *) &stringf },
110: {"ip", PRO_BOOL, true, ON, &ps.indent_parameters },
111: {"i", PRO_INT, 8, 0, &ps.ind_size },
112: {"lc", PRO_INT, 0, 0, &block_comment_max_col },
113: {"lp", PRO_BOOL, true, ON, &lineup_to_parens },
114: {"l", PRO_INT, 78, 0, &max_col },
115: {"nbacc", PRO_BOOL, false, OFF,
116: &blanklines_around_conditional_compilation },
117: {"nbadp", PRO_BOOL, false, OFF,
118: &blanklines_after_declarations_at_proctop },
119: {"nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations },
120: {"nbap", PRO_BOOL, false, OFF, &blanklines_after_procs },
121: {"nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments },
122: {"nbc", PRO_BOOL, true, ON, &ps.leave_comma },
123: {"nbs", PRO_BOOL, false, OFF, &Bill_Shannon },
124: {"ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline },
125: {"nce", PRO_BOOL, true, OFF, &cuddle_else },
126: {"ndj", PRO_BOOL, false, OFF, &ps.ljust_decl },
127: {"neei", PRO_BOOL, false, OFF, &extra_expression_indent },
128: {"nei", PRO_BOOL, true, OFF, &ps.else_if },
129: {"nfc1", PRO_BOOL, true, OFF, &format_col1_comments },
130: {"nip", PRO_BOOL, true, OFF, &ps.indent_parameters },
131: {"nlp", PRO_BOOL, true, OFF, &lineup_to_parens },
132: {"npcs", PRO_BOOL, false, OFF, &proc_calls_space },
133: {"npro", PRO_SPECIAL, 0, IGN, 0 },
134: {"npsl", PRO_BOOL, true, OFF, &procnames_start_line },
135: {"nps", PRO_BOOL, false, OFF, &pointer_as_binop },
136: {"nsc", PRO_BOOL, true, OFF, &star_comment_cont },
137: {"nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines },
138: {"nv", PRO_BOOL, false, OFF, &verbose },
139: {"pcs", PRO_BOOL, false, ON, &proc_calls_space },
140: {"psl", PRO_BOOL, true, ON, &procnames_start_line },
141: {"ps", PRO_BOOL, false, ON, &pointer_as_binop },
142: {"sc", PRO_BOOL, true, ON, &star_comment_cont },
143: {"sob", PRO_BOOL, false, ON, &swallow_optional_blanklines },
144: {"st", PRO_SPECIAL, 0, STDIN, 0 },
145: {"troff", PRO_BOOL, false, ON, &troff },
146: {"v", PRO_BOOL, false, ON, &verbose },
147: /* whew! */
148: { 0, 0, 0, 0, 0 }
1.1 deraadt 149: };
150:
1.9 millert 151: void scan_profile(FILE *);
152: void set_option(char *);
1.4 mickey 153:
1.1 deraadt 154: /*
155: * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments
156: * given in these files.
157: */
1.4 mickey 158: void
1.14 deraadt 159: set_profile(void)
1.1 deraadt 160: {
1.6 pjanzen 161: FILE *f;
1.1 deraadt 162: char fname[BUFSIZ];
1.5 millert 163: char *home;
1.1 deraadt 164: static char prof[] = ".indent.pro";
165:
1.5 millert 166: home = getenv("HOME");
167: if (home != NULL && *home != '\0') {
1.12 deraadt 168: if (snprintf(fname, sizeof fname, "%s/%s", home, prof) >= sizeof fname) {
1.5 millert 169: warnx("%s/%s: %s", home, prof, strerror(ENAMETOOLONG));
170: return;
171: }
172: if ((f = fopen(option_source = fname, "r")) != NULL) {
173: scan_profile(f);
174: (void) fclose(f);
175: }
1.1 deraadt 176: }
177: if ((f = fopen(option_source = prof, "r")) != NULL) {
178: scan_profile(f);
179: (void) fclose(f);
180: }
181: option_source = "Command line";
182: }
183:
1.4 mickey 184: void
1.14 deraadt 185: scan_profile(FILE *f)
1.1 deraadt 186: {
1.6 pjanzen 187: int i;
188: char *p;
1.1 deraadt 189: char buf[BUFSIZ];
190:
191: while (1) {
1.6 pjanzen 192: for (p = buf;
193: (i = getc(f)) != EOF && (*p = i) > ' ' && p + 1 - buf < BUFSIZ;
194: ++p)
195: ;
1.1 deraadt 196: if (p != buf) {
1.6 pjanzen 197: *p = 0;
1.1 deraadt 198: if (verbose)
199: printf("profile: %s\n", buf);
200: set_option(buf);
201: }
202: else if (i == EOF)
203: return;
204: }
205: }
206:
207: char *param_start;
208:
1.4 mickey 209: int
1.14 deraadt 210: eqin(char *s1, char *s2)
1.1 deraadt 211: {
212: while (*s1) {
213: if (*s1++ != *s2++)
214: return (false);
215: }
216: param_start = s2;
217: return (true);
218: }
219:
220: /*
221: * Set the defaults.
222: */
1.4 mickey 223: void
1.14 deraadt 224: set_defaults(void)
1.1 deraadt 225: {
1.6 pjanzen 226: struct pro *p;
1.1 deraadt 227:
228: /*
229: * Because ps.case_indent is a float, we can't initialize it from the
230: * table:
231: */
232: ps.case_indent = 0.0; /* -cli0.0 */
233: for (p = pro; p->p_name; p++)
234: if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT)
235: *p->p_obj = p->p_default;
236: }
237:
1.4 mickey 238: void
1.14 deraadt 239: set_option(char *arg)
1.1 deraadt 240: {
1.8 mpech 241: struct pro *p;
1.1 deraadt 242:
243: arg++; /* ignore leading "-" */
244: for (p = pro; p->p_name; p++)
245: if (*p->p_name == *arg && eqin(p->p_name, arg))
246: goto found;
1.6 pjanzen 247: errx(1, "%s: unknown parameter \"%s\"", option_source, arg - 1);
1.1 deraadt 248: found:
249: switch (p->p_type) {
250:
251: case PRO_SPECIAL:
252: switch (p->p_special) {
253:
254: case IGN:
255: break;
256:
257: case CLI:
258: if (*param_start == 0)
259: goto need_param;
260: ps.case_indent = atof(param_start);
261: break;
262:
263: case STDIN:
264: if (input == 0)
265: input = stdin;
266: if (output == 0)
267: output = stdout;
268: break;
269:
270: case KEY:
271: if (*param_start == 0)
272: goto need_param;
273: {
1.6 pjanzen 274: char *str;
275: if ((str = strdup(param_start)) == NULL)
1.7 pjanzen 276: err(1, NULL);
1.1 deraadt 277: addkey(str, 4);
278: }
279: break;
280:
281: default:
1.10 mickey 282: errx(1, "set_option: internal error: p_special %d", p->p_special);
1.1 deraadt 283: }
284: break;
285:
286: case PRO_BOOL:
287: if (p->p_special == OFF)
288: *p->p_obj = false;
289: else
290: *p->p_obj = true;
291: break;
292:
293: case PRO_INT:
294: if (!isdigit(*param_start)) {
295: need_param:
1.10 mickey 296: errx(1, "%s: ``%s'' requires a parameter", option_source, arg - 1);
1.1 deraadt 297: }
298: *p->p_obj = atoi(param_start);
1.10 mickey 299: if (*p->p_name == 'i' && *p->p_obj <= 0)
300: errx(1, "%s: ``%s must be greater of zero''",
301: option_source, arg - 1);
1.11 mickey 302: break;
1.1 deraadt 303:
304: case PRO_FONT:
305: parsefont((struct fstate *) p->p_obj, param_start);
306: break;
307:
308: default:
1.10 mickey 309: errx(1, "set_option: internal error: p_type %d", p->p_type);
1.1 deraadt 310: }
311: }
![[BACK]](/icons/back.gif){kind=icon}
Return to args.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / indent