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 <stdio.h> 53 #include <stdlib.h> 54 #include <string.h> 55 #include "indent_globs.h" 56 #include "indent.h" 57 58 /* profile types */ 59 #define PRO_SPECIAL 1 /* special case */ 60 #define PRO_BOOL 2 /* boolean */ 61 #define PRO_INT 3 /* integer */ 62 #define PRO_FONT 4 /* troff font */ 63 64 /* profile specials for booleans */ 65 #define ON 1 /* turn it on */ 66 #define OFF 0 /* turn it off */ 67 68 /* profile specials for specials */ 69 #define IGN 1 /* ignore it */ 70 #define CLI 2 /* case label indent (float) */ 71 #define STDIN 3 /* use stdin */ 72 #define KEY 4 /* type (keyword) */ 73 74 static void scan_profile(FILE *); 75 76 const char *option_source = "?"; 77 78 /* 79 * N.B.: because of the way the table here is scanned, options whose names are 80 * substrings of other options must occur later; that is, with -lp vs -l, -lp 81 * must be first. Also, while (most) booleans occur more than once, the last 82 * default value is the one actually assigned. 83 */ 84 struct pro { 85 const char *p_name; /* name, e.g. -bl, -cli */ 86 int p_type; /* type (int, bool, special) */ 87 int p_default; /* the default value (if int) */ 88 int p_special; /* depends on type */ 89 int *p_obj; /* the associated variable */ 90 } pro[] = { 91 92 {"T", PRO_SPECIAL, 0, KEY, 0}, 93 {"bacc", PRO_BOOL, false, ON, &blanklines_around_conditional_compilation}, 94 {"badp", PRO_BOOL, false, ON, &blanklines_after_declarations_at_proctop}, 95 {"bad", PRO_BOOL, false, ON, &blanklines_after_declarations}, 96 {"bap", PRO_BOOL, false, ON, &blanklines_after_procs}, 97 {"bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments}, 98 {"bc", PRO_BOOL, true, OFF, &ps.leave_comma}, 99 {"bl", PRO_BOOL, true, OFF, &btype_2}, 100 {"br", PRO_BOOL, true, ON, &btype_2}, 101 {"bs", PRO_BOOL, false, ON, &Bill_Shannon}, 102 {"cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline}, 103 {"cd", PRO_INT, 0, 0, &ps.decl_com_ind}, 104 {"ce", PRO_BOOL, true, ON, &cuddle_else}, 105 {"ci", PRO_INT, 0, 0, &continuation_indent}, 106 {"cli", PRO_SPECIAL, 0, CLI, 0}, 107 {"c", PRO_INT, 33, 0, &ps.com_ind}, 108 {"di", PRO_INT, 16, 0, &ps.decl_indent}, 109 {"dj", PRO_BOOL, false, ON, &ps.ljust_decl}, 110 {"d", PRO_INT, 0, 0, &ps.unindent_displace}, 111 {"eei", PRO_BOOL, false, ON, &extra_expression_indent}, 112 {"ei", PRO_BOOL, true, ON, &ps.else_if}, 113 {"fbc", PRO_FONT, 0, 0, (int *) &blkcomf}, 114 {"fbs", PRO_BOOL, true, ON, &function_brace_split}, 115 {"fbx", PRO_FONT, 0, 0, (int *) &boxcomf}, 116 {"fb", PRO_FONT, 0, 0, (int *) &bodyf}, 117 {"fc1", PRO_BOOL, true, ON, &format_col1_comments}, 118 {"fcb", PRO_BOOL, true, ON, &format_block_comments}, 119 {"fc", PRO_FONT, 0, 0, (int *) &scomf}, 120 {"fk", PRO_FONT, 0, 0, (int *) &keywordf}, 121 {"fs", PRO_FONT, 0, 0, (int *) &stringf}, 122 {"ip", PRO_BOOL, true, ON, &ps.indent_parameters}, 123 {"i", PRO_INT, 8, 0, &ps.ind_size}, 124 {"lc", PRO_INT, 0, 0, &block_comment_max_col}, 125 {"ldi", PRO_INT, -1, 0, &ps.local_decl_indent}, 126 {"lp", PRO_BOOL, true, ON, &lineup_to_parens}, 127 {"l", PRO_INT, 78, 0, &max_col}, 128 {"nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation}, 129 {"nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop}, 130 {"nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations}, 131 {"nbap", PRO_BOOL, false, OFF, &blanklines_after_procs}, 132 {"nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments}, 133 {"nbc", PRO_BOOL, true, ON, &ps.leave_comma}, 134 {"nbs", PRO_BOOL, false, OFF, &Bill_Shannon}, 135 {"ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline}, 136 {"nce", PRO_BOOL, true, OFF, &cuddle_else}, 137 {"ndj", PRO_BOOL, false, OFF, &ps.ljust_decl}, 138 {"neei", PRO_BOOL, false, OFF, &extra_expression_indent}, 139 {"nei", PRO_BOOL, true, OFF, &ps.else_if}, 140 {"nfbs", PRO_BOOL, true, OFF, &function_brace_split}, 141 {"nfc1", PRO_BOOL, true, OFF, &format_col1_comments}, 142 {"nfcb", PRO_BOOL, true, OFF, &format_block_comments}, 143 {"nip", PRO_BOOL, true, OFF, &ps.indent_parameters}, 144 {"nlp", PRO_BOOL, true, OFF, &lineup_to_parens}, 145 {"npcs", PRO_BOOL, false, OFF, &proc_calls_space}, 146 {"npro", PRO_SPECIAL, 0, IGN, 0}, 147 {"npsl", PRO_BOOL, true, OFF, &procnames_start_line}, 148 {"nps", PRO_BOOL, false, OFF, &pointer_as_binop}, 149 {"nsc", PRO_BOOL, true, OFF, &star_comment_cont}, 150 {"nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines}, 151 {"nut", PRO_BOOL, true, OFF, &use_tabs}, 152 {"nv", PRO_BOOL, false, OFF, &verbose}, 153 {"pcs", PRO_BOOL, false, ON, &proc_calls_space}, 154 {"psl", PRO_BOOL, true, ON, &procnames_start_line}, 155 {"ps", PRO_BOOL, false, ON, &pointer_as_binop}, 156 {"sc", PRO_BOOL, true, ON, &star_comment_cont}, 157 {"sob", PRO_BOOL, false, ON, &swallow_optional_blanklines}, 158 {"st", PRO_SPECIAL, 0, STDIN, 0}, 159 {"troff", PRO_BOOL, false, ON, &troff}, 160 {"ut", PRO_BOOL, true, ON, &use_tabs}, 161 {"v", PRO_BOOL, false, ON, &verbose}, 162 /* whew! */ 163 {0, 0, 0, 0, 0} 164 }; 165 166 /* 167 * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments 168 * given in these files. 169 */ 170 void 171 set_profile(void) 172 { 173 FILE *f; 174 char fname[BUFSIZ]; 175 static char prof[] = ".indent.pro"; 176 177 sprintf(fname, "%s/%s", getenv("HOME"), prof); 178 if ((f = fopen(option_source = fname, "r")) != NULL) { 179 scan_profile(f); 180 (void) fclose(f); 181 } 182 if ((f = fopen(option_source = prof, "r")) != NULL) { 183 scan_profile(f); 184 (void) fclose(f); 185 } 186 option_source = "Command line"; 187 } 188 189 static void 190 scan_profile(FILE *f) 191 { 192 int comment, i; 193 char *p; 194 char buf[BUFSIZ]; 195 196 while (1) { 197 p = buf; 198 comment = 0; 199 while ((i = getc(f)) != EOF) { 200 if (i == '*' && !comment && p > buf && p[-1] == '/') { 201 comment = p - buf; 202 *p++ = i; 203 } else if (i == '/' && comment && p > buf && p[-1] == '*') { 204 p = buf + comment - 1; 205 comment = 0; 206 } else if (isspace(i)) { 207 if (p > buf && !comment) 208 break; 209 } else { 210 *p++ = i; 211 } 212 } 213 if (p != buf) { 214 *p++ = 0; 215 if (verbose) 216 printf("profile: %s\n", buf); 217 set_option(buf); 218 } 219 else if (i == EOF) 220 return; 221 } 222 } 223 224 const char *param_start; 225 226 static int 227 eqin(const char *s1, const char *s2) 228 { 229 while (*s1) { 230 if (*s1++ != *s2++) 231 return (false); 232 } 233 param_start = s2; 234 return (true); 235 } 236 237 /* 238 * Set the defaults. 239 */ 240 void 241 set_defaults(void) 242 { 243 struct pro *p; 244 245 /* 246 * Because ps.case_indent is a float, we can't initialize it from the 247 * table: 248 */ 249 ps.case_indent = 0.0; /* -cli0.0 */ 250 for (p = pro; p->p_name; p++) 251 if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT) 252 *p->p_obj = p->p_default; 253 } 254 255 void 256 set_option(char *arg) 257 { 258 struct pro *p; 259 260 arg++; /* ignore leading "-" */ 261 for (p = pro; p->p_name; p++) 262 if (*p->p_name == *arg && eqin(p->p_name, arg)) 263 goto found; 264 errx(1, "%s: unknown parameter \"%s\"", option_source, arg - 1); 265 found: 266 switch (p->p_type) { 267 268 case PRO_SPECIAL: 269 switch (p->p_special) { 270 271 case IGN: 272 break; 273 274 case CLI: 275 if (*param_start == 0) 276 goto need_param; 277 ps.case_indent = atof(param_start); 278 break; 279 280 case STDIN: 281 if (input == 0) 282 input = stdin; 283 if (output == 0) 284 output = stdout; 285 break; 286 287 case KEY: 288 if (*param_start == 0) 289 goto need_param; 290 { 291 char *str = (char *) malloc(strlen(param_start) + 1); 292 if (str == NULL) 293 err(1, NULL); 294 strcpy(str, param_start); 295 addkey(str, 4); 296 } 297 break; 298 299 default: 300 errx(1, "set_option: internal error: p_special %d", p->p_special); 301 } 302 break; 303 304 case PRO_BOOL: 305 if (p->p_special == OFF) 306 *p->p_obj = false; 307 else 308 *p->p_obj = true; 309 break; 310 311 case PRO_INT: 312 if (!isdigit(*param_start)) { 313 need_param: 314 errx(1, "%s: ``%s'' requires a parameter", option_source, arg - 1); 315 } 316 *p->p_obj = atoi(param_start); 317 break; 318 319 case PRO_FONT: 320 parsefont((struct fstate *) p->p_obj, param_start); 321 break; 322 323 default: 324 errx(1, "set_option: internal error: p_type %d", p->p_type); 325 } 326 } 327