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 1.16 2010/03/31 17:05:30 avg Exp $ 37 */ 38 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 /* 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 const 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 const char *p_name; /* name, e.g. -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 {"fbs", PRO_BOOL, true, ON, &function_brace_split}, 110 {"fbx", PRO_FONT, 0, 0, (int *) &boxcomf}, 111 {"fb", PRO_FONT, 0, 0, (int *) &bodyf}, 112 {"fc1", PRO_BOOL, true, ON, &format_col1_comments}, 113 {"fcb", PRO_BOOL, true, ON, &format_block_comments}, 114 {"fc", PRO_FONT, 0, 0, (int *) &scomf}, 115 {"fk", PRO_FONT, 0, 0, (int *) &keywordf}, 116 {"fs", PRO_FONT, 0, 0, (int *) &stringf}, 117 {"ip", PRO_BOOL, true, ON, &ps.indent_parameters}, 118 {"i", PRO_INT, 8, 0, &ps.ind_size}, 119 {"lc", PRO_INT, 0, 0, &block_comment_max_col}, 120 {"ldi", PRO_INT, -1, 0, &ps.local_decl_indent}, 121 {"lp", PRO_BOOL, true, ON, &lineup_to_parens}, 122 {"l", PRO_INT, 78, 0, &max_col}, 123 {"nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation}, 124 {"nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop}, 125 {"nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations}, 126 {"nbap", PRO_BOOL, false, OFF, &blanklines_after_procs}, 127 {"nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments}, 128 {"nbc", PRO_BOOL, true, ON, &ps.leave_comma}, 129 {"nbs", PRO_BOOL, false, OFF, &Bill_Shannon}, 130 {"ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline}, 131 {"nce", PRO_BOOL, true, OFF, &cuddle_else}, 132 {"ndj", PRO_BOOL, false, OFF, &ps.ljust_decl}, 133 {"neei", PRO_BOOL, false, OFF, &extra_expression_indent}, 134 {"nei", PRO_BOOL, true, OFF, &ps.else_if}, 135 {"nfbs", PRO_BOOL, true, OFF, &function_brace_split}, 136 {"nfc1", PRO_BOOL, true, OFF, &format_col1_comments}, 137 {"nfcb", PRO_BOOL, true, OFF, &format_block_comments}, 138 {"nip", PRO_BOOL, true, OFF, &ps.indent_parameters}, 139 {"nlp", PRO_BOOL, true, OFF, &lineup_to_parens}, 140 {"npcs", PRO_BOOL, false, OFF, &proc_calls_space}, 141 {"npro", PRO_SPECIAL, 0, IGN, 0}, 142 {"npsl", PRO_BOOL, true, OFF, &procnames_start_line}, 143 {"nps", PRO_BOOL, false, OFF, &pointer_as_binop}, 144 {"nsc", PRO_BOOL, true, OFF, &star_comment_cont}, 145 {"nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines}, 146 {"nut", PRO_BOOL, true, OFF, &use_tabs}, 147 {"nv", PRO_BOOL, false, OFF, &verbose}, 148 {"pcs", PRO_BOOL, false, ON, &proc_calls_space}, 149 {"psl", PRO_BOOL, true, ON, &procnames_start_line}, 150 {"ps", PRO_BOOL, false, ON, &pointer_as_binop}, 151 {"sc", PRO_BOOL, true, ON, &star_comment_cont}, 152 {"sob", PRO_BOOL, false, ON, &swallow_optional_blanklines}, 153 {"st", PRO_SPECIAL, 0, STDIN, 0}, 154 {"ta", PRO_BOOL, false, ON, &auto_typedefs}, 155 {"troff", PRO_BOOL, false, ON, &troff}, 156 {"ut", PRO_BOOL, true, ON, &use_tabs}, 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[PATH_MAX]; 171 static char prof[] = ".indent.pro"; 172 173 snprintf(fname, sizeof(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 comment, i; 189 char *p; 190 char buf[BUFSIZ]; 191 192 while (1) { 193 p = buf; 194 comment = 0; 195 while ((i = getc(f)) != EOF) { 196 if (i == '*' && !comment && p > buf && p[-1] == '/') { 197 comment = p - buf; 198 *p++ = i; 199 } else if (i == '/' && comment && p > buf && p[-1] == '*') { 200 p = buf + comment - 1; 201 comment = 0; 202 } else if (isspace(i)) { 203 if (p > buf && !comment) 204 break; 205 } else { 206 *p++ = i; 207 } 208 } 209 if (p != buf) { 210 *p++ = 0; 211 if (verbose) 212 printf("profile: %s\n", buf); 213 set_option(buf); 214 } 215 else if (i == EOF) 216 return; 217 } 218 } 219 220 const char *param_start; 221 222 static int 223 eqin(const char *s1, const char *s2) 224 { 225 while (*s1) { 226 if (*s1++ != *s2++) 227 return (false); 228 } 229 param_start = s2; 230 return (true); 231 } 232 233 /* 234 * Set the defaults. 235 */ 236 void 237 set_defaults(void) 238 { 239 struct pro *p; 240 241 /* 242 * Because ps.case_indent is a float, we can't initialize it from the 243 * table: 244 */ 245 ps.case_indent = 0.0; /* -cli0.0 */ 246 for (p = pro; p->p_name; p++) 247 if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT) 248 *p->p_obj = p->p_default; 249 } 250 251 void 252 set_option(char *arg) 253 { 254 struct pro *p; 255 256 arg++; /* ignore leading "-" */ 257 for (p = pro; p->p_name; p++) 258 if (*p->p_name == *arg && eqin(p->p_name, arg)) 259 goto found; 260 errx(1, "%s: unknown parameter \"%s\"", option_source, arg - 1); 261 found: 262 switch (p->p_type) { 263 264 case PRO_SPECIAL: 265 switch (p->p_special) { 266 267 case IGN: 268 break; 269 270 case CLI: 271 if (*param_start == 0) 272 goto need_param; 273 ps.case_indent = atof(param_start); 274 break; 275 276 case STDIN: 277 if (input == 0) 278 input = stdin; 279 if (output == 0) 280 output = stdout; 281 break; 282 283 case KEY: 284 if (*param_start == 0) 285 goto need_param; 286 { 287 char *str = strdup(param_start); 288 if (str == NULL) 289 err(1, NULL); 290 addkey(str, 4); 291 } 292 break; 293 294 default: 295 errx(1, "set_option: internal error: p_special %d", p->p_special); 296 } 297 break; 298 299 case PRO_BOOL: 300 if (p->p_special == OFF) 301 *p->p_obj = false; 302 else 303 *p->p_obj = true; 304 break; 305 306 case PRO_INT: 307 if (!isdigit(*param_start)) { 308 need_param: 309 errx(1, "%s: ``%s'' requires a parameter", option_source, arg - 1); 310 } 311 *p->p_obj = atoi(param_start); 312 break; 313 314 case PRO_FONT: 315 parsefont((struct fstate *) p->p_obj, param_start); 316 break; 317 318 default: 319 errx(1, "set_option: internal error: p_type %d", p->p_type); 320 } 321 } 322