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 {"fbx", PRO_FONT, 0, 0, (int *) &boxcomf}, 115 {"fb", PRO_FONT, 0, 0, (int *) &bodyf}, 116 {"fc1", PRO_BOOL, true, ON, &format_col1_comments}, 117 {"fcb", PRO_BOOL, true, ON, &format_block_comments}, 118 {"fc", PRO_FONT, 0, 0, (int *) &scomf}, 119 {"fk", PRO_FONT, 0, 0, (int *) &keywordf}, 120 {"fs", PRO_FONT, 0, 0, (int *) &stringf}, 121 {"ip", PRO_BOOL, true, ON, &ps.indent_parameters}, 122 {"i", PRO_INT, 8, 0, &ps.ind_size}, 123 {"lc", PRO_INT, 0, 0, &block_comment_max_col}, 124 {"ldi", PRO_INT, -1, 0, &ps.local_decl_indent}, 125 {"lp", PRO_BOOL, true, ON, &lineup_to_parens}, 126 {"l", PRO_INT, 78, 0, &max_col}, 127 {"nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation}, 128 {"nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop}, 129 {"nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations}, 130 {"nbap", PRO_BOOL, false, OFF, &blanklines_after_procs}, 131 {"nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments}, 132 {"nbc", PRO_BOOL, true, ON, &ps.leave_comma}, 133 {"nbs", PRO_BOOL, false, OFF, &Bill_Shannon}, 134 {"ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline}, 135 {"nce", PRO_BOOL, true, OFF, &cuddle_else}, 136 {"ndj", PRO_BOOL, false, OFF, &ps.ljust_decl}, 137 {"neei", PRO_BOOL, false, OFF, &extra_expression_indent}, 138 {"nei", PRO_BOOL, true, OFF, &ps.else_if}, 139 {"nfc1", PRO_BOOL, true, OFF, &format_col1_comments}, 140 {"nfcb", PRO_BOOL, true, OFF, &format_block_comments}, 141 {"nip", PRO_BOOL, true, OFF, &ps.indent_parameters}, 142 {"nlp", PRO_BOOL, true, OFF, &lineup_to_parens}, 143 {"npcs", PRO_BOOL, false, OFF, &proc_calls_space}, 144 {"npro", PRO_SPECIAL, 0, IGN, 0}, 145 {"npsl", PRO_BOOL, true, OFF, &procnames_start_line}, 146 {"nps", PRO_BOOL, false, OFF, &pointer_as_binop}, 147 {"nsc", PRO_BOOL, true, OFF, &star_comment_cont}, 148 {"nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines}, 149 {"nv", PRO_BOOL, false, OFF, &verbose}, 150 {"pcs", PRO_BOOL, false, ON, &proc_calls_space}, 151 {"psl", PRO_BOOL, true, ON, &procnames_start_line}, 152 {"ps", PRO_BOOL, false, ON, &pointer_as_binop}, 153 {"sc", PRO_BOOL, true, ON, &star_comment_cont}, 154 {"sob", PRO_BOOL, false, ON, &swallow_optional_blanklines}, 155 {"st", PRO_SPECIAL, 0, STDIN, 0}, 156 {"troff", PRO_BOOL, false, ON, &troff}, 157 {"v", PRO_BOOL, false, ON, &verbose}, 158 /* whew! */ 159 {0, 0, 0, 0, 0} 160 }; 161 162 /* 163 * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments 164 * given in these files. 165 */ 166 void 167 set_profile(void) 168 { 169 FILE *f; 170 char fname[BUFSIZ]; 171 static char prof[] = ".indent.pro"; 172 173 sprintf(fname, "%s/%s", getenv("HOME"), prof); 174 if ((f = fopen(option_source = fname, "r")) != NULL) { 175 scan_profile(f); 176 (void) fclose(f); 177 } 178 if ((f = fopen(option_source = prof, "r")) != NULL) { 179 scan_profile(f); 180 (void) fclose(f); 181 } 182 option_source = "Command line"; 183 } 184 185 static void 186 scan_profile(FILE *f) 187 { 188 int i; 189 char *p; 190 char buf[BUFSIZ]; 191 192 while (1) { 193 for (p = buf; (i = getc(f)) != EOF && (*p = i) > ' '; ++p); 194 if (p != buf) { 195 *p++ = 0; 196 if (verbose) 197 printf("profile: %s\n", buf); 198 set_option(buf); 199 } 200 else if (i == EOF) 201 return; 202 } 203 } 204 205 const char *param_start; 206 207 static int 208 eqin(const char *s1, const char *s2) 209 { 210 while (*s1) { 211 if (*s1++ != *s2++) 212 return (false); 213 } 214 param_start = s2; 215 return (true); 216 } 217 218 /* 219 * Set the defaults. 220 */ 221 void 222 set_defaults(void) 223 { 224 struct pro *p; 225 226 /* 227 * Because ps.case_indent is a float, we can't initialize it from the 228 * table: 229 */ 230 ps.case_indent = 0.0; /* -cli0.0 */ 231 for (p = pro; p->p_name; p++) 232 if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT) 233 *p->p_obj = p->p_default; 234 } 235 236 void 237 set_option(char *arg) 238 { 239 struct pro *p; 240 241 arg++; /* ignore leading "-" */ 242 for (p = pro; p->p_name; p++) 243 if (*p->p_name == *arg && eqin(p->p_name, arg)) 244 goto found; 245 errx(1, "%s: unknown parameter \"%s\"", option_source, arg - 1); 246 found: 247 switch (p->p_type) { 248 249 case PRO_SPECIAL: 250 switch (p->p_special) { 251 252 case IGN: 253 break; 254 255 case CLI: 256 if (*param_start == 0) 257 goto need_param; 258 ps.case_indent = atof(param_start); 259 break; 260 261 case STDIN: 262 if (input == 0) 263 input = stdin; 264 if (output == 0) 265 output = stdout; 266 break; 267 268 case KEY: 269 if (*param_start == 0) 270 goto need_param; 271 { 272 char *str = (char *) malloc(strlen(param_start) + 1); 273 if (str == NULL) 274 err(1, NULL); 275 strcpy(str, param_start); 276 addkey(str, 4); 277 } 278 break; 279 280 default: 281 errx(1, "set_option: internal error: p_special %d", p->p_special); 282 } 283 break; 284 285 case PRO_BOOL: 286 if (p->p_special == OFF) 287 *p->p_obj = false; 288 else 289 *p->p_obj = true; 290 break; 291 292 case PRO_INT: 293 if (!isdigit(*param_start)) { 294 need_param: 295 errx(1, "%s: ``%s'' requires a parameter", option_source, arg - 1); 296 } 297 *p->p_obj = atoi(param_start); 298 break; 299 300 case PRO_FONT: 301 parsefont((struct fstate *) p->p_obj, param_start); 302 break; 303 304 default: 305 errx(1, "set_option: internal error: p_type %d", p->p_type); 306 } 307 } 308