1/*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 1985 Sun Microsystems, Inc. 5 * Copyright (c) 1980, 1993 6 * The Regents of the University of California. All rights reserved. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37 38#include <sys/cdefs.h> 39/* 40 * Argument scanning and profile reading code. Default parameters are set 41 * here as well. 42 */ 43 44#include <ctype.h> 45#include <err.h> 46#include <limits.h> 47#include <stdio.h> 48#include <stdlib.h> 49#include <string.h> 50#include "indent_globs.h" 51#include "indent.h" 52 53#define INDENT_VERSION "2.0" 54 55/* profile types */ 56#define PRO_SPECIAL 1 /* special case */ 57#define PRO_BOOL 2 /* boolean */ 58#define PRO_INT 3 /* integer */ 59 60/* profile specials for booleans */ 61#define ON 1 /* turn it on */ 62#define OFF 0 /* turn it off */ 63 64/* profile specials for specials */ 65#define IGN 1 /* ignore it */ 66#define CLI 2 /* case label indent (float) */ 67#define STDIN 3 /* use stdin */ 68#define KEY 4 /* type (keyword) */ 69 70static void scan_profile(FILE *); 71 72#define KEY_FILE 5 /* only used for args */ 73#define VERSION 6 /* only used for args */ 74 75const char *option_source = "?"; 76 77void add_typedefs_from_file(const char *str); 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 {"U", PRO_SPECIAL, 0, KEY_FILE, 0}, 95 {"-version", PRO_SPECIAL, 0, VERSION, 0}, 96 {"P", PRO_SPECIAL, 0, IGN, 0}, 97 {"bacc", PRO_BOOL, false, ON, &opt.blanklines_around_conditional_compilation}, 98 {"badp", PRO_BOOL, false, ON, &opt.blanklines_after_declarations_at_proctop}, 99 {"bad", PRO_BOOL, false, ON, &opt.blanklines_after_declarations}, 100 {"bap", PRO_BOOL, false, ON, &opt.blanklines_after_procs}, 101 {"bbb", PRO_BOOL, false, ON, &opt.blanklines_before_blockcomments}, 102 {"bc", PRO_BOOL, true, OFF, &opt.leave_comma}, 103 {"bl", PRO_BOOL, true, OFF, &opt.btype_2}, 104 {"br", PRO_BOOL, true, ON, &opt.btype_2}, 105 {"bs", PRO_BOOL, false, ON, &opt.Bill_Shannon}, 106 {"cdb", PRO_BOOL, true, ON, &opt.comment_delimiter_on_blankline}, 107 {"cd", PRO_INT, 0, 0, &opt.decl_com_ind}, 108 {"ce", PRO_BOOL, true, ON, &opt.cuddle_else}, 109 {"ci", PRO_INT, 0, 0, &opt.continuation_indent}, 110 {"cli", PRO_SPECIAL, 0, CLI, 0}, 111 {"cs", PRO_BOOL, false, ON, &opt.space_after_cast}, 112 {"c", PRO_INT, 33, 0, &opt.com_ind}, 113 {"di", PRO_INT, 16, 0, &opt.decl_indent}, 114 {"dj", PRO_BOOL, false, ON, &opt.ljust_decl}, 115 {"d", PRO_INT, 0, 0, &opt.unindent_displace}, 116 {"eei", PRO_BOOL, false, ON, &opt.extra_expression_indent}, 117 {"ei", PRO_BOOL, true, ON, &opt.else_if}, 118 {"fbs", PRO_BOOL, true, ON, &opt.function_brace_split}, 119 {"fc1", PRO_BOOL, true, ON, &opt.format_col1_comments}, 120 {"fcb", PRO_BOOL, true, ON, &opt.format_block_comments}, 121 {"ip", PRO_BOOL, true, ON, &opt.indent_parameters}, 122 {"i", PRO_INT, 8, 0, &opt.ind_size}, 123 {"lc", PRO_INT, 0, 0, &opt.block_comment_max_col}, 124 {"ldi", PRO_INT, -1, 0, &opt.local_decl_indent}, 125 {"lpl", PRO_BOOL, false, ON, &opt.lineup_to_parens_always}, 126 {"lp", PRO_BOOL, true, ON, &opt.lineup_to_parens}, 127 {"l", PRO_INT, 78, 0, &opt.max_col}, 128 {"nbacc", PRO_BOOL, false, OFF, &opt.blanklines_around_conditional_compilation}, 129 {"nbadp", PRO_BOOL, false, OFF, &opt.blanklines_after_declarations_at_proctop}, 130 {"nbad", PRO_BOOL, false, OFF, &opt.blanklines_after_declarations}, 131 {"nbap", PRO_BOOL, false, OFF, &opt.blanklines_after_procs}, 132 {"nbbb", PRO_BOOL, false, OFF, &opt.blanklines_before_blockcomments}, 133 {"nbc", PRO_BOOL, true, ON, &opt.leave_comma}, 134 {"nbs", PRO_BOOL, false, OFF, &opt.Bill_Shannon}, 135 {"ncdb", PRO_BOOL, true, OFF, &opt.comment_delimiter_on_blankline}, 136 {"nce", PRO_BOOL, true, OFF, &opt.cuddle_else}, 137 {"ncs", PRO_BOOL, false, OFF, &opt.space_after_cast}, 138 {"ndj", PRO_BOOL, false, OFF, &opt.ljust_decl}, 139 {"neei", PRO_BOOL, false, OFF, &opt.extra_expression_indent}, 140 {"nei", PRO_BOOL, true, OFF, &opt.else_if}, 141 {"nfbs", PRO_BOOL, true, OFF, &opt.function_brace_split}, 142 {"nfc1", PRO_BOOL, true, OFF, &opt.format_col1_comments}, 143 {"nfcb", PRO_BOOL, true, OFF, &opt.format_block_comments}, 144 {"nip", PRO_BOOL, true, OFF, &opt.indent_parameters}, 145 {"nlpl", PRO_BOOL, false, OFF, &opt.lineup_to_parens_always}, 146 {"nlp", PRO_BOOL, true, OFF, &opt.lineup_to_parens}, 147 {"npcs", PRO_BOOL, false, OFF, &opt.proc_calls_space}, 148 {"npro", PRO_SPECIAL, 0, IGN, 0}, 149 {"npsl", PRO_BOOL, true, OFF, &opt.procnames_start_line}, 150 {"nps", PRO_BOOL, false, OFF, &opt.pointer_as_binop}, 151 {"nsc", PRO_BOOL, true, OFF, &opt.star_comment_cont}, 152 {"nsob", PRO_BOOL, false, OFF, &opt.swallow_optional_blanklines}, 153 {"nut", PRO_BOOL, true, OFF, &opt.use_tabs}, 154 {"nv", PRO_BOOL, false, OFF, &opt.verbose}, 155 {"pcs", PRO_BOOL, false, ON, &opt.proc_calls_space}, 156 {"psl", PRO_BOOL, true, ON, &opt.procnames_start_line}, 157 {"ps", PRO_BOOL, false, ON, &opt.pointer_as_binop}, 158 {"sc", PRO_BOOL, true, ON, &opt.star_comment_cont}, 159 {"sob", PRO_BOOL, false, ON, &opt.swallow_optional_blanklines}, 160 {"st", PRO_SPECIAL, 0, STDIN, 0}, 161 {"ta", PRO_BOOL, false, ON, &opt.auto_typedefs}, 162 {"ts", PRO_INT, 8, 0, &opt.tabsize}, 163 {"ut", PRO_BOOL, true, ON, &opt.use_tabs}, 164 {"v", PRO_BOOL, false, ON, &opt.verbose}, 165 /* whew! */ 166 {0, 0, 0, 0, 0} 167}; 168 169/* 170 * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments 171 * given in these files. 172 */ 173void 174set_profile(const char *profile_name) 175{ 176 FILE *f; 177 char fname[PATH_MAX]; 178 static char prof[] = ".indent.pro"; 179 180 if (profile_name == NULL) 181 snprintf(fname, sizeof(fname), "%s/%s", getenv("HOME"), prof); 182 else 183 snprintf(fname, sizeof(fname), "%s", profile_name + 2); 184 if ((f = fopen(option_source = fname, "r")) != NULL) { 185 scan_profile(f); 186 (void) fclose(f); 187 } 188 if ((f = fopen(option_source = prof, "r")) != NULL) { 189 scan_profile(f); 190 (void) fclose(f); 191 } 192 option_source = "Command line"; 193} 194 195static void 196scan_profile(FILE *f) 197{ 198 int comment, i; 199 char *p; 200 char buf[BUFSIZ]; 201 202 while (1) { 203 p = buf; 204 comment = 0; 205 while ((i = getc(f)) != EOF) { 206 if (i == '*' && !comment && p > buf && p[-1] == '/') { 207 comment = p - buf; 208 *p++ = i; 209 } else if (i == '/' && comment && p > buf && p[-1] == '*') { 210 p = buf + comment - 1; 211 comment = 0; 212 } else if (isspace((unsigned char)i)) { 213 if (p > buf && !comment) 214 break; 215 } else { 216 *p++ = i; 217 } 218 } 219 if (p != buf) { 220 *p++ = 0; 221 if (opt.verbose) 222 printf("profile: %s\n", buf); 223 set_option(buf); 224 } 225 else if (i == EOF) 226 return; 227 } 228} 229 230static const char * 231eqin(const char *s1, const char *s2) 232{ 233 while (*s1) { 234 if (*s1++ != *s2++) 235 return (NULL); 236 } 237 return (s2); 238} 239 240/* 241 * Set the defaults. 242 */ 243void 244set_defaults(void) 245{ 246 struct pro *p; 247 248 /* 249 * Because ps.case_indent is a float, we can't initialize it from the 250 * table: 251 */ 252 opt.case_indent = 0.0; /* -cli0.0 */ 253 for (p = pro; p->p_name; p++) 254 if (p->p_type != PRO_SPECIAL) 255 *p->p_obj = p->p_default; 256} 257 258void 259set_option(char *arg) 260{ 261 struct pro *p; 262 const char *param_start; 263 264 arg++; /* ignore leading "-" */ 265 for (p = pro; p->p_name; p++) 266 if (*p->p_name == *arg && (param_start = eqin(p->p_name, arg)) != NULL) 267 goto found; 268 errx(1, "%s: unknown parameter \"%s\"", option_source, arg - 1); 269found: 270 switch (p->p_type) { 271 272 case PRO_SPECIAL: 273 switch (p->p_special) { 274 275 case IGN: 276 break; 277 278 case CLI: 279 if (*param_start == 0) 280 goto need_param; 281 opt.case_indent = atof(param_start); 282 break; 283 284 case STDIN: 285 if (input == NULL) 286 input = stdin; 287 if (output == NULL) 288 output = stdout; 289 break; 290 291 case KEY: 292 if (*param_start == 0) 293 goto need_param; 294 add_typename(param_start); 295 break; 296 297 case KEY_FILE: 298 if (*param_start == 0) 299 goto need_param; 300 add_typedefs_from_file(param_start); 301 break; 302 303 case VERSION: 304 printf("FreeBSD indent %s\n", INDENT_VERSION); 305 exit(0); 306 307 default: 308 errx(1, "set_option: internal error: p_special %d", p->p_special); 309 } 310 break; 311 312 case PRO_BOOL: 313 if (p->p_special == OFF) 314 *p->p_obj = false; 315 else 316 *p->p_obj = true; 317 break; 318 319 case PRO_INT: 320 if (!isdigit((unsigned char)*param_start)) { 321 need_param: 322 errx(1, "%s: ``%s'' requires a parameter", option_source, p->p_name); 323 } 324 *p->p_obj = atoi(param_start); 325 break; 326 327 default: 328 errx(1, "set_option: internal error: p_type %d", p->p_type); 329 } 330} 331 332void 333add_typedefs_from_file(const char *str) 334{ 335 FILE *file; 336 char line[BUFSIZ]; 337 338 if ((file = fopen(str, "r")) == NULL) { 339 fprintf(stderr, "indent: cannot open file %s\n", str); 340 exit(1); 341 } 342 while ((fgets(line, BUFSIZ, file)) != NULL) { 343 /* Remove trailing whitespace */ 344 line[strcspn(line, " \t\n\r")] = '\0'; 345 add_typename(line); 346 } 347 fclose(file); 348} 349