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 * @(#)args.c 8.1 (Berkeley) 6/6/93 36 * $FreeBSD: src/usr.bin/indent/args.c,v 1.3.2.3 2001/12/06 19:28:47 schweikh Exp $ 37 * $DragonFly: src/usr.bin/indent/args.c,v 1.3 2005/04/10 20:55:38 drhodus Exp $ 38 */ 39 40 /* 41 * Argument scanning and profile reading code. Default parameters are set 42 * here as well. 43 */ 44 45 #include <ctype.h> 46 #include <err.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 #include "indent_globs.h" 51 #include "indent.h" 52 53 /* profile types */ 54 #define PRO_SPECIAL 1 /* special case */ 55 #define PRO_BOOL 2 /* boolean */ 56 #define PRO_INT 3 /* integer */ 57 #define PRO_FONT 4 /* troff font */ 58 59 /* profile specials for booleans */ 60 #define ON 1 /* turn it on */ 61 #define OFF 0 /* turn it off */ 62 63 /* profile specials for specials */ 64 #define IGN 1 /* ignore it */ 65 #define CLI 2 /* case label indent (float) */ 66 #define STDIN 3 /* use stdin */ 67 #define KEY 4 /* type (keyword) */ 68 69 static void scan_profile(FILE *); 70 71 char *option_source = "?"; 72 73 /* 74 * N.B.: because of the way the table here is scanned, options whose names are 75 * substrings of other options must occur later; that is, with -lp vs -l, -lp 76 * must be first. Also, while (most) booleans occur more than once, the last 77 * default value is the one actually assigned. 78 */ 79 struct pro { 80 char *p_name; /* name, eg -bl, -cli */ 81 int p_type; /* type (int, bool, special) */ 82 int p_default; /* the default value (if int) */ 83 int p_special; /* depends on type */ 84 int *p_obj; /* the associated variable */ 85 } pro[] = { 86 87 {"T", PRO_SPECIAL, 0, KEY, 0}, 88 {"bacc", PRO_BOOL, false, ON, &blanklines_around_conditional_compilation}, 89 {"badp", PRO_BOOL, false, ON, &blanklines_after_declarations_at_proctop}, 90 {"bad", PRO_BOOL, false, ON, &blanklines_after_declarations}, 91 {"bap", PRO_BOOL, false, ON, &blanklines_after_procs}, 92 {"bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments}, 93 {"bc", PRO_BOOL, true, OFF, &ps.leave_comma}, 94 {"bl", PRO_BOOL, true, OFF, &btype_2}, 95 {"br", PRO_BOOL, true, ON, &btype_2}, 96 {"bs", PRO_BOOL, false, ON, &Bill_Shannon}, 97 {"cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline}, 98 {"cd", PRO_INT, 0, 0, &ps.decl_com_ind}, 99 {"ce", PRO_BOOL, true, ON, &cuddle_else}, 100 {"ci", PRO_INT, 0, 0, &continuation_indent}, 101 {"cli", PRO_SPECIAL, 0, CLI, 0}, 102 {"c", PRO_INT, 33, 0, &ps.com_ind}, 103 {"di", PRO_INT, 16, 0, &ps.decl_indent}, 104 {"dj", PRO_BOOL, false, ON, &ps.ljust_decl}, 105 {"d", PRO_INT, 0, 0, &ps.unindent_displace}, 106 {"eei", PRO_BOOL, false, ON, &extra_expression_indent}, 107 {"ei", PRO_BOOL, true, ON, &ps.else_if}, 108 {"fbc", PRO_FONT, 0, 0, (int *) &blkcomf}, 109 {"fbx", PRO_FONT, 0, 0, (int *) &boxcomf}, 110 {"fb", PRO_FONT, 0, 0, (int *) &bodyf}, 111 {"fc1", PRO_BOOL, true, ON, &format_col1_comments}, 112 {"fcb", PRO_BOOL, true, ON, &format_block_comments}, 113 {"fc", PRO_FONT, 0, 0, (int *) &scomf}, 114 {"fk", PRO_FONT, 0, 0, (int *) &keywordf}, 115 {"fs", PRO_FONT, 0, 0, (int *) &stringf}, 116 {"ip", PRO_BOOL, true, ON, &ps.indent_parameters}, 117 {"i", PRO_INT, 8, 0, &ps.ind_size}, 118 {"lc", PRO_INT, 0, 0, &block_comment_max_col}, 119 {"lp", PRO_BOOL, true, ON, &lineup_to_parens}, 120 {"l", PRO_INT, 78, 0, &max_col}, 121 {"nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation}, 122 {"nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop}, 123 {"nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations}, 124 {"nbap", PRO_BOOL, false, OFF, &blanklines_after_procs}, 125 {"nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments}, 126 {"nbc", PRO_BOOL, true, ON, &ps.leave_comma}, 127 {"nbs", PRO_BOOL, false, OFF, &Bill_Shannon}, 128 {"ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline}, 129 {"nce", PRO_BOOL, true, OFF, &cuddle_else}, 130 {"ndj", PRO_BOOL, false, OFF, &ps.ljust_decl}, 131 {"neei", PRO_BOOL, false, OFF, &extra_expression_indent}, 132 {"nei", PRO_BOOL, true, OFF, &ps.else_if}, 133 {"nfc1", PRO_BOOL, true, OFF, &format_col1_comments}, 134 {"nfcb", PRO_BOOL, true, OFF, &format_block_comments}, 135 {"nip", PRO_BOOL, true, OFF, &ps.indent_parameters}, 136 {"nlp", PRO_BOOL, true, OFF, &lineup_to_parens}, 137 {"npcs", PRO_BOOL, false, OFF, &proc_calls_space}, 138 {"npro", PRO_SPECIAL, 0, IGN, 0}, 139 {"npsl", PRO_BOOL, true, OFF, &procnames_start_line}, 140 {"nps", PRO_BOOL, false, OFF, &pointer_as_binop}, 141 {"nsc", PRO_BOOL, true, OFF, &star_comment_cont}, 142 {"nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines}, 143 {"nv", PRO_BOOL, false, OFF, &verbose}, 144 {"pcs", PRO_BOOL, false, ON, &proc_calls_space}, 145 {"psl", PRO_BOOL, true, ON, &procnames_start_line}, 146 {"ps", PRO_BOOL, false, ON, &pointer_as_binop}, 147 {"sc", PRO_BOOL, true, ON, &star_comment_cont}, 148 {"sob", PRO_BOOL, false, ON, &swallow_optional_blanklines}, 149 {"st", PRO_SPECIAL, 0, STDIN, 0}, 150 {"troff", PRO_BOOL, false, ON, &troff}, 151 {"v", PRO_BOOL, false, ON, &verbose}, 152 /* whew! */ 153 {0, 0, 0, 0, 0} 154 }; 155 156 /* 157 * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments 158 * given in these files. 159 */ 160 void 161 set_profile(void) 162 { 163 FILE *f; 164 char fname[BUFSIZ]; 165 static char prof[] = ".indent.pro"; 166 167 sprintf(fname, "%s/%s", getenv("HOME"), prof); 168 if ((f = fopen(option_source = fname, "r")) != NULL) { 169 scan_profile(f); 170 (void) fclose(f); 171 } 172 if ((f = fopen(option_source = prof, "r")) != NULL) { 173 scan_profile(f); 174 (void) fclose(f); 175 } 176 option_source = "Command line"; 177 } 178 179 static void 180 scan_profile(FILE *f) 181 { 182 int i; 183 char *p; 184 char buf[BUFSIZ]; 185 186 while (1) { 187 for (p = buf; (i = getc(f)) != EOF && (*p = i) > ' '; ++p); 188 if (p != buf) { 189 *p++ = 0; 190 if (verbose) 191 printf("profile: %s\n", buf); 192 set_option(buf); 193 } 194 else if (i == EOF) 195 return; 196 } 197 } 198 199 char *param_start; 200 201 static int 202 eqin(char *s1, char *s2) 203 { 204 while (*s1) { 205 if (*s1++ != *s2++) 206 return (false); 207 } 208 param_start = s2; 209 return (true); 210 } 211 212 /* 213 * Set the defaults. 214 */ 215 void 216 set_defaults(void) 217 { 218 struct pro *p; 219 220 /* 221 * Because ps.case_indent is a float, we can't initialize it from the 222 * table: 223 */ 224 ps.case_indent = 0.0; /* -cli0.0 */ 225 for (p = pro; p->p_name; p++) 226 if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT) 227 *p->p_obj = p->p_default; 228 } 229 230 void 231 set_option(char *arg) 232 { 233 struct pro *p; 234 235 arg++; /* ignore leading "-" */ 236 for (p = pro; p->p_name; p++) 237 if (*p->p_name == *arg && eqin(p->p_name, arg)) 238 goto found; 239 errx(1, "%s: unknown parameter \"%s\"", option_source, arg - 1); 240 found: 241 switch (p->p_type) { 242 243 case PRO_SPECIAL: 244 switch (p->p_special) { 245 246 case IGN: 247 break; 248 249 case CLI: 250 if (*param_start == 0) 251 goto need_param; 252 ps.case_indent = atof(param_start); 253 break; 254 255 case STDIN: 256 if (input == 0) 257 input = stdin; 258 if (output == 0) 259 output = stdout; 260 break; 261 262 case KEY: 263 if (*param_start == 0) 264 goto need_param; 265 { 266 char *str = (char *) malloc(strlen(param_start) + 1); 267 strcpy(str, param_start); 268 addkey(str, 4); 269 } 270 break; 271 272 default: 273 errx(1, "set_option: internal error: p_special %d", p->p_special); 274 } 275 break; 276 277 case PRO_BOOL: 278 if (p->p_special == OFF) 279 *p->p_obj = false; 280 else 281 *p->p_obj = true; 282 break; 283 284 case PRO_INT: 285 if (!isdigit(*param_start)) { 286 need_param: 287 errx(1, "%s: ``%s'' requires a parameter", option_source, arg - 1); 288 } 289 *p->p_obj = atoi(param_start); 290 break; 291 292 case PRO_FONT: 293 parsefont((struct fstate *) p->p_obj, param_start); 294 break; 295 296 default: 297 errx(1, "set_option: internal error: p_type %d", p->p_type); 298 } 299 } 300