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