args.c revision 1.4
1 /* $NetBSD: args.c,v 1.4 1997/10/18 16:04:26 mrg Exp $ */ 2 3 /* 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * Copyright (c) 1976 Board of Trustees of the University of Illinois. 7 * Copyright (c) 1985 Sun Microsystems, Inc. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 */ 38 39 #ifndef lint 40 #if 0 41 static char sccsid[] = "@(#)args.c 8.1 (Berkeley) 6/6/93"; 42 #else 43 static char rcsid[] = "$NetBSD: args.c,v 1.4 1997/10/18 16:04:26 mrg Exp $"; 44 #endif 45 #endif /* not lint */ 46 47 /* 48 * Argument scanning and profile reading code. Default parameters are set 49 * here as well. 50 */ 51 52 #include <stdio.h> 53 #include <ctype.h> 54 #include <stdlib.h> 55 #include <string.h> 56 #include "indent_globs.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 char *option_source = "?"; 75 76 /* 77 * N.B.: because of the way the table here is scanned, options whose names are 78 * substrings of other options must occur later; that is, with -lp vs -l, -lp 79 * must be first. Also, while (most) booleans occur more than once, the last 80 * default value is the one actually assigned. 81 */ 82 struct pro { 83 char *p_name; /* name, eg -bl, -cli */ 84 int p_type; /* type (int, bool, special) */ 85 int p_default; /* the default value (if int) */ 86 int p_special; /* depends on type */ 87 int *p_obj; /* the associated variable */ 88 } pro[] = { 89 90 "T", PRO_SPECIAL, 0, KEY, 0, 91 "bacc", PRO_BOOL, false, ON, &blanklines_around_conditional_compilation, 92 "badp", PRO_BOOL, false, ON, &blanklines_after_declarations_at_proctop, 93 "bad", PRO_BOOL, false, ON, &blanklines_after_declarations, 94 "bap", PRO_BOOL, false, ON, &blanklines_after_procs, 95 "bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments, 96 "bc", PRO_BOOL, true, OFF, &ps.leave_comma, 97 "bl", PRO_BOOL, true, OFF, &btype_2, 98 "br", PRO_BOOL, true, ON, &btype_2, 99 "bs", PRO_BOOL, false, ON, &Bill_Shannon, 100 "cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline, 101 "cd", PRO_INT, 0, 0, &ps.decl_com_ind, 102 "ce", PRO_BOOL, true, ON, &cuddle_else, 103 "ci", PRO_INT, 0, 0, &continuation_indent, 104 "cli", PRO_SPECIAL, 0, CLI, 0, 105 "c", PRO_INT, 33, 0, &ps.com_ind, 106 "di", PRO_INT, 16, 0, &ps.decl_indent, 107 "dj", PRO_BOOL, false, ON, &ps.ljust_decl, 108 "d", PRO_INT, 0, 0, &ps.unindent_displace, 109 "eei", PRO_BOOL, false, ON, &extra_expression_indent, 110 "ei", PRO_BOOL, true, ON, &ps.else_if, 111 "fbc", PRO_FONT, 0, 0, (int *) &blkcomf, 112 "fbx", PRO_FONT, 0, 0, (int *) &boxcomf, 113 "fb", PRO_FONT, 0, 0, (int *) &bodyf, 114 "fc1", PRO_BOOL, true, ON, &format_col1_comments, 115 "fc", PRO_FONT, 0, 0, (int *) &scomf, 116 "fk", PRO_FONT, 0, 0, (int *) &keywordf, 117 "fs", PRO_FONT, 0, 0, (int *) &stringf, 118 "ip", PRO_BOOL, true, ON, &ps.indent_parameters, 119 "i", PRO_INT, 8, 0, &ps.ind_size, 120 "lc", PRO_INT, 0, 0, &block_comment_max_col, 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 "nfc1", PRO_BOOL, true, OFF, &format_col1_comments, 136 "nip", PRO_BOOL, true, OFF, &ps.indent_parameters, 137 "nlp", PRO_BOOL, true, OFF, &lineup_to_parens, 138 "npcs", PRO_BOOL, false, OFF, &proc_calls_space, 139 "npro", PRO_SPECIAL, 0, IGN, 0, 140 "npsl", PRO_BOOL, true, OFF, &procnames_start_line, 141 "nps", PRO_BOOL, false, OFF, &pointer_as_binop, 142 "nsc", PRO_BOOL, true, OFF, &star_comment_cont, 143 "nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines, 144 "nv", PRO_BOOL, false, OFF, &verbose, 145 "pcs", PRO_BOOL, false, ON, &proc_calls_space, 146 "psl", PRO_BOOL, true, ON, &procnames_start_line, 147 "ps", PRO_BOOL, false, ON, &pointer_as_binop, 148 "sc", PRO_BOOL, true, ON, &star_comment_cont, 149 "sob", PRO_BOOL, false, ON, &swallow_optional_blanklines, 150 "st", PRO_SPECIAL, 0, STDIN, 0, 151 "troff", PRO_BOOL, false, ON, &troff, 152 "v", PRO_BOOL, false, ON, &verbose, 153 /* whew! */ 154 0, 0, 0, 0, 0 155 }; 156 157 /* 158 * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments 159 * given in these files. 160 */ 161 set_profile() 162 { 163 register 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 scan_profile(f) 180 register FILE *f; 181 { 182 register int i; 183 register 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 eqin(s1, s2) 202 register char *s1; 203 register char *s2; 204 { 205 while (*s1) { 206 if (*s1++ != *s2++) 207 return (false); 208 } 209 param_start = s2; 210 return (true); 211 } 212 213 /* 214 * Set the defaults. 215 */ 216 set_defaults() 217 { 218 register 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 set_option(arg) 231 register char *arg; 232 { 233 register struct pro *p; 234 extern double atof(); 235 236 arg++; /* ignore leading "-" */ 237 for (p = pro; p->p_name; p++) 238 if (*p->p_name == *arg && eqin(p->p_name, arg)) 239 goto found; 240 fprintf(stderr, "indent: %s: unknown parameter \"%s\"\n", option_source, arg - 1); 241 exit(1); 242 found: 243 switch (p->p_type) { 244 245 case PRO_SPECIAL: 246 switch (p->p_special) { 247 248 case IGN: 249 break; 250 251 case CLI: 252 if (*param_start == 0) 253 goto need_param; 254 ps.case_indent = atof(param_start); 255 break; 256 257 case STDIN: 258 if (input == 0) 259 input = stdin; 260 if (output == 0) 261 output = stdout; 262 break; 263 264 case KEY: 265 if (*param_start == 0) 266 goto need_param; 267 { 268 register char *str = (char *) malloc(strlen(param_start) + 1); 269 strcpy(str, param_start); 270 addkey(str, 4); 271 } 272 break; 273 274 default: 275 fprintf(stderr, "\ 276 indent: set_option: internal error: p_special %d\n", p->p_special); 277 exit(1); 278 } 279 break; 280 281 case PRO_BOOL: 282 if (p->p_special == OFF) 283 *p->p_obj = false; 284 else 285 *p->p_obj = true; 286 break; 287 288 case PRO_INT: 289 if (!isdigit(*param_start)) { 290 need_param: 291 fprintf(stderr, "indent: %s: ``%s'' requires a parameter\n", 292 option_source, arg - 1); 293 exit(1); 294 } 295 *p->p_obj = atoi(param_start); 296 break; 297 298 case PRO_FONT: 299 parsefont((struct fstate *) p->p_obj, param_start); 300 break; 301 302 default: 303 fprintf(stderr, "indent: set_option: internal error: p_type %d\n", 304 p->p_type); 305 exit(1); 306 } 307 } 308
Indexes created Wed Sep 24 05:09:52 GMT 2025