1/* 2 * Copyright (c) 1985 Sun Microsystems, Inc. 3 * Copyright (c) 1980, 1993 4 * The Regents of the University of California. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#if 0 37#ifndef lint 38static char sccsid[] = "@(#)args.c 8.1 (Berkeley) 6/6/93"; 39#endif /* not lint */ 40#endif 41 42#include <sys/cdefs.h> 43__FBSDID("$FreeBSD$"); 44 45/* 46 * Argument scanning and profile reading code. Default parameters are set 47 * here as well. 48 */ 49 50#include <ctype.h> 51#include <err.h> 52#include <limits.h> 53#include <stdio.h> 54#include <stdlib.h> 55#include <string.h> 56#include "indent_globs.h" 57#include "indent.h" 58 59/* profile types */ 60#define PRO_SPECIAL 1 /* special case */ 61#define PRO_BOOL 2 /* boolean */ 62#define PRO_INT 3 /* integer */ 63#define PRO_FONT 4 /* troff font */ 64 65/* profile specials for booleans */ 66#define ON 1 /* turn it on */ 67#define OFF 0 /* turn it off */ 68 69/* profile specials for specials */ 70#define IGN 1 /* ignore it */ 71#define CLI 2 /* case label indent (float) */ 72#define STDIN 3 /* use stdin */ 73#define KEY 4 /* type (keyword) */ 74 75static void scan_profile(FILE *); 76 77const char *option_source = "?"; 78 79/* 80 * N.B.: because of the way the table here is scanned, options whose names are 81 * substrings of other options must occur later; that is, with -lp vs -l, -lp 82 * must be first. Also, while (most) booleans occur more than once, the last 83 * default value is the one actually assigned. 84 */ 85struct pro { 86 const char *p_name; /* name, e.g. -bl, -cli */ 87 int p_type; /* type (int, bool, special) */ 88 int p_default; /* the default value (if int) */ 89 int p_special; /* depends on type */ 90 int *p_obj; /* the associated variable */ 91} pro[] = { 92 93 {"T", PRO_SPECIAL, 0, KEY, 0}, 94 {"bacc", PRO_BOOL, false, ON, &blanklines_around_conditional_compilation}, 95 {"badp", PRO_BOOL, false, ON, &blanklines_after_declarations_at_proctop}, 96 {"bad", PRO_BOOL, false, ON, &blanklines_after_declarations}, 97 {"bap", PRO_BOOL, false, ON, &blanklines_after_procs}, 98 {"bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments}, 99 {"bc", PRO_BOOL, true, OFF, &ps.leave_comma}, 100 {"bl", PRO_BOOL, true, OFF, &btype_2}, 101 {"br", PRO_BOOL, true, ON, &btype_2}, 102 {"bs", PRO_BOOL, false, ON, &Bill_Shannon}, 103 {"cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline}, 104 {"cd", PRO_INT, 0, 0, &ps.decl_com_ind}, 105 {"ce", PRO_BOOL, true, ON, &cuddle_else}, 106 {"ci", PRO_INT, 0, 0, &continuation_indent}, 107 {"cli", PRO_SPECIAL, 0, CLI, 0}, 108 {"c", PRO_INT, 33, 0, &ps.com_ind}, 109 {"di", PRO_INT, 16, 0, &ps.decl_indent}, 110 {"dj", PRO_BOOL, false, ON, &ps.ljust_decl}, 111 {"d", PRO_INT, 0, 0, &ps.unindent_displace}, 112 {"eei", PRO_BOOL, false, ON, &extra_expression_indent}, 113 {"ei", PRO_BOOL, true, ON, &ps.else_if}, 114 {"fbc", PRO_FONT, 0, 0, (int *) &blkcomf}, 115 {"fbs", PRO_BOOL, true, ON, &function_brace_split}, 116 {"fbx", PRO_FONT, 0, 0, (int *) &boxcomf}, 117 {"fb", PRO_FONT, 0, 0, (int *) &bodyf}, 118 {"fc1", PRO_BOOL, true, ON, &format_col1_comments}, 119 {"fcb", PRO_BOOL, true, ON, &format_block_comments}, 120 {"fc", PRO_FONT, 0, 0, (int *) &scomf}, 121 {"fk", PRO_FONT, 0, 0, (int *) &keywordf}, 122 {"fs", PRO_FONT, 0, 0, (int *) &stringf}, 123 {"ip", PRO_BOOL, true, ON, &ps.indent_parameters}, 124 {"i", PRO_INT, 8, 0, &ps.ind_size}, 125 {"lc", PRO_INT, 0, 0, &block_comment_max_col}, 126 {"ldi", PRO_INT, -1, 0, &ps.local_decl_indent}, 127 {"lp", PRO_BOOL, true, ON, &lineup_to_parens}, 128 {"l", PRO_INT, 78, 0, &max_col}, 129 {"nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation}, 130 {"nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop}, 131 {"nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations}, 132 {"nbap", PRO_BOOL, false, OFF, &blanklines_after_procs}, 133 {"nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments}, 134 {"nbc", PRO_BOOL, true, ON, &ps.leave_comma}, 135 {"nbs", PRO_BOOL, false, OFF, &Bill_Shannon}, 136 {"ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline}, 137 {"nce", PRO_BOOL, true, OFF, &cuddle_else}, 138 {"ndj", PRO_BOOL, false, OFF, &ps.ljust_decl}, 139 {"neei", PRO_BOOL, false, OFF, &extra_expression_indent}, 140 {"nei", PRO_BOOL, true, OFF, &ps.else_if}, 141 {"nfbs", PRO_BOOL, true, OFF, &function_brace_split}, 142 {"nfc1", PRO_BOOL, true, OFF, &format_col1_comments}, 143 {"nfcb", PRO_BOOL, true, OFF, &format_block_comments}, 144 {"nip", PRO_BOOL, true, OFF, &ps.indent_parameters}, 145 {"nlp", PRO_BOOL, true, OFF, &lineup_to_parens}, 146 {"npcs", PRO_BOOL, false, OFF, &proc_calls_space}, 147 {"npro", PRO_SPECIAL, 0, IGN, 0}, 148 {"npsl", PRO_BOOL, true, OFF, &procnames_start_line}, 149 {"nps", PRO_BOOL, false, OFF, &pointer_as_binop}, 150 {"nsc", PRO_BOOL, true, OFF, &star_comment_cont}, 151 {"nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines}, 152 {"nut", PRO_BOOL, true, OFF, &use_tabs}, 153 {"nv", PRO_BOOL, false, OFF, &verbose}, 154 {"pcs", PRO_BOOL, false, ON, &proc_calls_space}, 155 {"psl", PRO_BOOL, true, ON, &procnames_start_line}, 156 {"ps", PRO_BOOL, false, ON, &pointer_as_binop}, 157 {"sc", PRO_BOOL, true, ON, &star_comment_cont}, 158 {"sob", PRO_BOOL, false, ON, &swallow_optional_blanklines}, 159 {"st", PRO_SPECIAL, 0, STDIN, 0}, 160 {"ta", PRO_BOOL, false, ON, &auto_typedefs}, 161 {"troff", PRO_BOOL, false, ON, &troff}, 162 {"ut", PRO_BOOL, true, ON, &use_tabs}, 163 {"v", PRO_BOOL, false, ON, &verbose}, 164 /* whew! */ 165 {0, 0, 0, 0, 0} 166}; 167 168/* 169 * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments 170 * given in these files. 171 */ 172void 173set_profile(void) 174{ 175 FILE *f; 176 char fname[PATH_MAX]; 177 static char prof[] = ".indent.pro"; 178 179 snprintf(fname, sizeof(fname), "%s/%s", getenv("HOME"), prof); 180 if ((f = fopen(option_source = fname, "r")) != NULL) { 181 scan_profile(f); 182 (void) fclose(f); 183 } 184 if ((f = fopen(option_source = prof, "r")) != NULL) { 185 scan_profile(f); 186 (void) fclose(f); 187 } 188 option_source = "Command line"; 189} 190 191static void 192scan_profile(FILE *f) 193{ 194 int comment, i; 195 char *p; 196 char buf[BUFSIZ]; 197 198 while (1) { 199 p = buf; 200 comment = 0; 201 while ((i = getc(f)) != EOF) { 202 if (i == '*' && !comment && p > buf && p[-1] == '/') { 203 comment = p - buf; 204 *p++ = i; 205 } else if (i == '/' && comment && p > buf && p[-1] == '*') { 206 p = buf + comment - 1; 207 comment = 0; 208 } else if (isspace(i)) { 209 if (p > buf && !comment) 210 break; 211 } else { 212 *p++ = i; 213 } 214 } 215 if (p != buf) { 216 *p++ = 0; 217 if (verbose) 218 printf("profile: %s\n", buf); 219 set_option(buf); 220 } 221 else if (i == EOF) 222 return; 223 } 224} 225 226const char *param_start; 227 228static int 229eqin(const char *s1, const char *s2) 230{ 231 while (*s1) { 232 if (*s1++ != *s2++) 233 return (false); 234 } 235 param_start = s2; 236 return (true); 237} 238 239/* 240 * Set the defaults. 241 */ 242void 243set_defaults(void) 244{ 245 struct pro *p; 246 247 /* 248 * Because ps.case_indent is a float, we can't initialize it from the 249 * table: 250 */ 251 ps.case_indent = 0.0; /* -cli0.0 */ 252 for (p = pro; p->p_name; p++) 253 if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT) 254 *p->p_obj = p->p_default; 255} 256 257void 258set_option(char *arg) 259{ 260 struct pro *p; 261 262 arg++; /* ignore leading "-" */ 263 for (p = pro; p->p_name; p++) 264 if (*p->p_name == *arg && eqin(p->p_name, arg)) 265 goto found; 266 errx(1, "%s: unknown parameter \"%s\"", option_source, arg - 1); 267found: 268 switch (p->p_type) { 269 270 case PRO_SPECIAL: 271 switch (p->p_special) { 272 273 case IGN: 274 break; 275 276 case CLI: 277 if (*param_start == 0) 278 goto need_param; 279 ps.case_indent = atof(param_start); 280 break; 281 282 case STDIN: 283 if (input == 0) 284 input = stdin; 285 if (output == 0) 286 output = stdout; 287 break; 288 289 case KEY: 290 if (*param_start == 0) 291 goto need_param; 292 { 293 char *str = strdup(param_start); 294 if (str == NULL) 295 err(1, NULL); 296 addkey(str, 4); 297 } 298 break; 299 300 default: 301 errx(1, "set_option: internal error: p_special %d", p->p_special); 302 } 303 break; 304 305 case PRO_BOOL: 306 if (p->p_special == OFF) 307 *p->p_obj = false; 308 else 309 *p->p_obj = true; 310 break; 311 312 case PRO_INT: 313 if (!isdigit(*param_start)) { 314 need_param: 315 errx(1, "%s: ``%s'' requires a parameter", option_source, arg - 1); 316 } 317 *p->p_obj = atoi(param_start); 318 break; 319 320 case PRO_FONT: 321 parsefont((struct fstate *) p->p_obj, param_start); 322 break; 323 324 default: 325 errx(1, "set_option: internal error: p_type %d", p->p_type); 326 } 327} 328