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 38 static 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 75 static void scan_profile(FILE *); 76 77 #define KEY_FILE 5 /* only used for args */ 78 79 const char *option_source = "?"; 80 81 void add_typedefs_from_file(const char *str); 82 83 /* 84 * N.B.: because of the way the table here is scanned, options whose names are 85 * substrings of other options must occur later; that is, with -lp vs -l, -lp 86 * must be first. Also, while (most) booleans occur more than once, the last 87 * default value is the one actually assigned. 88 */ 89 struct pro { 90 const char *p_name; /* name, e.g. -bl, -cli */ 91 int p_type; /* type (int, bool, special) */ 92 int p_default; /* the default value (if int) */ 93 int p_special; /* depends on type */ 94 int *p_obj; /* the associated variable */ 95 } pro[] = { 96 97 {"T", PRO_SPECIAL, 0, KEY, 0}, 98 {"U", PRO_SPECIAL, 0, KEY_FILE, 0}, 99 {"P", PRO_SPECIAL, 0, IGN, 0}, 100 {"bacc", PRO_BOOL, false, ON, &blanklines_around_conditional_compilation}, 101 {"badp", PRO_BOOL, false, ON, &blanklines_after_declarations_at_proctop}, 102 {"bad", PRO_BOOL, false, ON, &blanklines_after_declarations}, 103 {"bap", PRO_BOOL, false, ON, &blanklines_after_procs}, 104 {"bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments}, 105 {"bc", PRO_BOOL, true, OFF, &ps.leave_comma}, 106 {"bl", PRO_BOOL, true, OFF, &btype_2}, 107 {"br", PRO_BOOL, true, ON, &btype_2}, 108 {"bs", PRO_BOOL, false, ON, &Bill_Shannon}, 109 {"cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline}, 110 {"cd", PRO_INT, 0, 0, &ps.decl_com_ind}, 111 {"ce", PRO_BOOL, true, ON, &cuddle_else}, 112 {"ci", PRO_INT, 0, 0, &continuation_indent}, 113 {"cli", PRO_SPECIAL, 0, CLI, 0}, 114 {"c", PRO_INT, 33, 0, &ps.com_ind}, 115 {"di", PRO_INT, 16, 0, &ps.decl_indent}, 116 {"dj", PRO_BOOL, false, ON, &ps.ljust_decl}, 117 {"d", PRO_INT, 0, 0, &ps.unindent_displace}, 118 {"eei", PRO_BOOL, false, ON, &extra_expression_indent}, 119 {"ei", PRO_BOOL, true, ON, &ps.else_if}, 120 {"fbc", PRO_FONT, 0, 0, (int *) &blkcomf}, 121 {"fbs", PRO_BOOL, true, ON, &function_brace_split}, 122 {"fbx", PRO_FONT, 0, 0, (int *) &boxcomf}, 123 {"fb", PRO_FONT, 0, 0, (int *) &bodyf}, 124 {"fc1", PRO_BOOL, true, ON, &format_col1_comments}, 125 {"fcb", PRO_BOOL, true, ON, &format_block_comments}, 126 {"fc", PRO_FONT, 0, 0, (int *) &scomf}, 127 {"fk", PRO_FONT, 0, 0, (int *) &keywordf}, 128 {"fs", PRO_FONT, 0, 0, (int *) &stringf}, 129 {"ip", PRO_BOOL, true, ON, &ps.indent_parameters}, 130 {"i", PRO_INT, 8, 0, &ps.ind_size}, 131 {"lc", PRO_INT, 0, 0, &block_comment_max_col}, 132 {"ldi", PRO_INT, -1, 0, &ps.local_decl_indent}, 133 {"lp", PRO_BOOL, true, ON, &lineup_to_parens}, 134 {"l", PRO_INT, 78, 0, &max_col}, 135 {"nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation}, 136 {"nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop}, 137 {"nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations}, 138 {"nbap", PRO_BOOL, false, OFF, &blanklines_after_procs}, 139 {"nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments}, 140 {"nbc", PRO_BOOL, true, ON, &ps.leave_comma}, 141 {"nbs", PRO_BOOL, false, OFF, &Bill_Shannon}, 142 {"ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline}, 143 {"nce", PRO_BOOL, true, OFF, &cuddle_else}, 144 {"ndj", PRO_BOOL, false, OFF, &ps.ljust_decl}, 145 {"neei", PRO_BOOL, false, OFF, &extra_expression_indent}, 146 {"nei", PRO_BOOL, true, OFF, &ps.else_if}, 147 {"nfbs", PRO_BOOL, true, OFF, &function_brace_split}, 148 {"nfc1", PRO_BOOL, true, OFF, &format_col1_comments}, 149 {"nfcb", PRO_BOOL, true, OFF, &format_block_comments}, 150 {"nip", PRO_BOOL, true, OFF, &ps.indent_parameters}, 151 {"nlp", PRO_BOOL, true, OFF, &lineup_to_parens}, 152 {"npcs", PRO_BOOL, false, OFF, &proc_calls_space}, 153 {"npro", PRO_SPECIAL, 0, IGN, 0}, 154 {"npsl", PRO_BOOL, true, OFF, &procnames_start_line}, 155 {"nps", PRO_BOOL, false, OFF, &pointer_as_binop}, 156 {"nsac", PRO_BOOL, false, OFF, &space_after_cast}, 157 {"nsc", PRO_BOOL, true, OFF, &star_comment_cont}, 158 {"nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines}, 159 {"nut", PRO_BOOL, true, OFF, &use_tabs}, 160 {"nv", PRO_BOOL, false, OFF, &verbose}, 161 {"pcs", PRO_BOOL, false, ON, &proc_calls_space}, 162 {"psl", PRO_BOOL, true, ON, &procnames_start_line}, 163 {"ps", PRO_BOOL, false, ON, &pointer_as_binop}, 164 {"sac", PRO_BOOL, false, ON, &space_after_cast}, 165 {"sc", PRO_BOOL, true, ON, &star_comment_cont}, 166 {"sob", PRO_BOOL, false, ON, &swallow_optional_blanklines}, 167 {"st", PRO_SPECIAL, 0, STDIN, 0}, 168 {"ta", PRO_BOOL, false, ON, &auto_typedefs}, 169 {"troff", PRO_BOOL, false, ON, &troff}, 170 {"ut", PRO_BOOL, true, ON, &use_tabs}, 171 {"v", PRO_BOOL, false, ON, &verbose}, 172 /* whew! */ 173 {0, 0, 0, 0, 0} 174 }; 175 176 /* 177 * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments 178 * given in these files. 179 */ 180 void 181 set_profile(const char *profile_name) 182 { 183 FILE *f; 184 char fname[PATH_MAX]; 185 static char prof[] = ".indent.pro"; 186 187 if (profile_name == NULL) 188 snprintf(fname, sizeof(fname), "%s/%s", getenv("HOME"), prof); 189 else 190 snprintf(fname, sizeof(fname), "%s", profile_name + 2); 191 if ((f = fopen(option_source = fname, "r")) != NULL) { 192 scan_profile(f); 193 (void) fclose(f); 194 } 195 if ((f = fopen(option_source = prof, "r")) != NULL) { 196 scan_profile(f); 197 (void) fclose(f); 198 } 199 option_source = "Command line"; 200 } 201 202 static void 203 scan_profile(FILE *f) 204 { 205 int comment, i; 206 char *p; 207 char buf[BUFSIZ]; 208 209 while (1) { 210 p = buf; 211 comment = 0; 212 while ((i = getc(f)) != EOF) { 213 if (i == '*' && !comment && p > buf && p[-1] == '/') { 214 comment = p - buf; 215 *p++ = i; 216 } else if (i == '/' && comment && p > buf && p[-1] == '*') { 217 p = buf + comment - 1; 218 comment = 0; 219 } else if (isspace(i)) { 220 if (p > buf && !comment) 221 break; 222 } else { 223 *p++ = i; 224 } 225 } 226 if (p != buf) { 227 *p++ = 0; 228 if (verbose) 229 printf("profile: %s\n", buf); 230 set_option(buf); 231 } 232 else if (i == EOF) 233 return; 234 } 235 } 236 237 static const char * 238 eqin(const char *s1, const char *s2) 239 { 240 while (*s1) { 241 if (*s1++ != *s2++) 242 return (NULL); 243 } 244 return (s2); 245 } 246 247 /* 248 * Set the defaults. 249 */ 250 void 251 set_defaults(void) 252 { 253 struct pro *p; 254 255 /* 256 * Because ps.case_indent is a float, we can't initialize it from the 257 * table: 258 */ 259 ps.case_indent = 0.0; /* -cli0.0 */ 260 for (p = pro; p->p_name; p++) 261 if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT) 262 *p->p_obj = p->p_default; 263 } 264 265 void 266 set_option(char *arg) 267 { 268 struct pro *p; 269 const char *param_start; 270 271 arg++; /* ignore leading "-" */ 272 for (p = pro; p->p_name; p++) 273 if (*p->p_name == *arg && (param_start = eqin(p->p_name, arg)) != NULL) 274 goto found; 275 errx(1, "%s: unknown parameter \"%s\"", option_source, arg - 1); 276 found: 277 switch (p->p_type) { 278 279 case PRO_SPECIAL: 280 switch (p->p_special) { 281 282 case IGN: 283 break; 284 285 case CLI: 286 if (*param_start == 0) 287 goto need_param; 288 ps.case_indent = atof(param_start); 289 break; 290 291 case STDIN: 292 if (input == NULL) 293 input = stdin; 294 if (output == NULL) 295 output = stdout; 296 break; 297 298 case KEY: 299 if (*param_start == 0) 300 goto need_param; 301 add_typename(param_start); 302 break; 303 304 case KEY_FILE: 305 if (*param_start == 0) 306 goto need_param; 307 add_typedefs_from_file(param_start); 308 break; 309 310 default: 311 errx(1, "set_option: internal error: p_special %d", p->p_special); 312 } 313 break; 314 315 case PRO_BOOL: 316 if (p->p_special == OFF) 317 *p->p_obj = false; 318 else 319 *p->p_obj = true; 320 break; 321 322 case PRO_INT: 323 if (!isdigit(*param_start)) { 324 need_param: 325 errx(1, "%s: ``%s'' requires a parameter", option_source, arg - 1); 326 } 327 *p->p_obj = atoi(param_start); 328 break; 329 330 case PRO_FONT: 331 parsefont((struct fstate *) p->p_obj, param_start); 332 break; 333 334 default: 335 errx(1, "set_option: internal error: p_type %d", p->p_type); 336 } 337 } 338 339 void 340 add_typedefs_from_file(const char *str) 341 { 342 FILE *file; 343 char line[BUFSIZ]; 344 345 if ((file = fopen(str, "r")) == NULL) { 346 fprintf(stderr, "indent: cannot open file %s\n", str); 347 exit(1); 348 } 349 while ((fgets(line, BUFSIZ, file)) != NULL) { 350 /* Remove trailing whitespace */ 351 line[strcspn(line, " \t\n\r")] = '\0'; 352 add_typename(line); 353 } 354 fclose(file); 355 } 356