args.c revision 1.2
1 /* 2 * Copyright (c) 1985 Sun Microsystems, Inc. 3 * Copyright (c) 1980 The Regents of the University of California. 4 * Copyright (c) 1976 Board of Trustees of the University of Illinois. 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 /*static char sccsid[] = "from: @(#)args.c 5.10 (Berkeley) 2/26/91";*/ 38 static char rcsid[] = "$Id: args.c,v 1.2 1993/08/01 18:14:36 mycroft Exp $"; 39 #endif /* not lint */ 40 41 /* 42 * Argument scanning and profile reading code. Default parameters are set 43 * here as well. 44 */ 45 46 #include <stdio.h> 47 #include <ctype.h> 48 #include <stdlib.h> 49 #include <string.h> 50 #include "indent_globs.h" 51 52 /* profile types */ 53 #define PRO_SPECIAL 1 /* special case */ 54 #define PRO_BOOL 2 /* boolean */ 55 #define PRO_INT 3 /* integer */ 56 #define PRO_FONT 4 /* troff font */ 57 58 /* profile specials for booleans */ 59 #define ON 1 /* turn it on */ 60 #define OFF 0 /* turn it off */ 61 62 /* profile specials for specials */ 63 #define IGN 1 /* ignore it */ 64 #define CLI 2 /* case label indent (float) */ 65 #define STDIN 3 /* use stdin */ 66 #define KEY 4 /* type (keyword) */ 67 68 char *option_source = "?"; 69 70 /* 71 * N.B.: because of the way the table here is scanned, options whose names are 72 * substrings of other options must occur later; that is, with -lp vs -l, -lp 73 * must be first. Also, while (most) booleans occur more than once, the last 74 * default value is the one actually assigned. 75 */ 76 struct pro { 77 char *p_name; /* name, eg -bl, -cli */ 78 int p_type; /* type (int, bool, special) */ 79 int p_default; /* the default value (if int) */ 80 int p_special; /* depends on type */ 81 int *p_obj; /* the associated variable */ 82 } pro[] = { 83 84 "T", PRO_SPECIAL, 0, KEY, 0, 85 "bacc", PRO_BOOL, false, ON, &blanklines_around_conditional_compilation, 86 "badp", PRO_BOOL, false, ON, &blanklines_after_declarations_at_proctop, 87 "bad", PRO_BOOL, false, ON, &blanklines_after_declarations, 88 "bap", PRO_BOOL, false, ON, &blanklines_after_procs, 89 "bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments, 90 "bc", PRO_BOOL, true, OFF, &ps.leave_comma, 91 "bl", PRO_BOOL, true, OFF, &btype_2, 92 "br", PRO_BOOL, true, ON, &btype_2, 93 "bs", PRO_BOOL, false, ON, &Bill_Shannon, 94 "cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline, 95 "cd", PRO_INT, 0, 0, &ps.decl_com_ind, 96 "ce", PRO_BOOL, true, ON, &cuddle_else, 97 "ci", PRO_INT, 0, 0, &continuation_indent, 98 "cli", PRO_SPECIAL, 0, CLI, 0, 99 "c", PRO_INT, 33, 0, &ps.com_ind, 100 "di", PRO_INT, 16, 0, &ps.decl_indent, 101 "dj", PRO_BOOL, false, ON, &ps.ljust_decl, 102 "d", PRO_INT, 0, 0, &ps.unindent_displace, 103 "eei", PRO_BOOL, false, ON, &extra_expression_indent, 104 "ei", PRO_BOOL, true, ON, &ps.else_if, 105 "fbc", PRO_FONT, 0, 0, (int *) &blkcomf, 106 "fbx", PRO_FONT, 0, 0, (int *) &boxcomf, 107 "fb", PRO_FONT, 0, 0, (int *) &bodyf, 108 "fc1", PRO_BOOL, true, ON, &format_col1_comments, 109 "fc", PRO_FONT, 0, 0, (int *) &scomf, 110 "fk", PRO_FONT, 0, 0, (int *) &keywordf, 111 "fs", PRO_FONT, 0, 0, (int *) &stringf, 112 "ip", PRO_BOOL, true, ON, &ps.indent_parameters, 113 "i", PRO_INT, 8, 0, &ps.ind_size, 114 "lc", PRO_INT, 0, 0, &block_comment_max_col, 115 "lp", PRO_BOOL, true, ON, &lineup_to_parens, 116 "l", PRO_INT, 78, 0, &max_col, 117 "nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation, 118 "nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop, 119 "nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations, 120 "nbap", PRO_BOOL, false, OFF, &blanklines_after_procs, 121 "nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments, 122 "nbc", PRO_BOOL, true, ON, &ps.leave_comma, 123 "nbs", PRO_BOOL, false, OFF, &Bill_Shannon, 124 "ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline, 125 "nce", PRO_BOOL, true, OFF, &cuddle_else, 126 "ndj", PRO_BOOL, false, OFF, &ps.ljust_decl, 127 "neei", PRO_BOOL, false, OFF, &extra_expression_indent, 128 "nei", PRO_BOOL, true, OFF, &ps.else_if, 129 "nfc1", PRO_BOOL, true, OFF, &format_col1_comments, 130 "nip", PRO_BOOL, true, OFF, &ps.indent_parameters, 131 "nlp", PRO_BOOL, true, OFF, &lineup_to_parens, 132 "npcs", PRO_BOOL, false, OFF, &proc_calls_space, 133 "npro", PRO_SPECIAL, 0, IGN, 0, 134 "npsl", PRO_BOOL, true, OFF, &procnames_start_line, 135 "nps", PRO_BOOL, false, OFF, &pointer_as_binop, 136 "nsc", PRO_BOOL, true, OFF, &star_comment_cont, 137 "nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines, 138 "nv", PRO_BOOL, false, OFF, &verbose, 139 "pcs", PRO_BOOL, false, ON, &proc_calls_space, 140 "psl", PRO_BOOL, true, ON, &procnames_start_line, 141 "ps", PRO_BOOL, false, ON, &pointer_as_binop, 142 "sc", PRO_BOOL, true, ON, &star_comment_cont, 143 "sob", PRO_BOOL, false, ON, &swallow_optional_blanklines, 144 "st", PRO_SPECIAL, 0, STDIN, 0, 145 "troff", PRO_BOOL, false, ON, &troff, 146 "v", PRO_BOOL, false, ON, &verbose, 147 /* whew! */ 148 0, 0, 0, 0, 0 149 }; 150 151 /* 152 * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments 153 * given in these files. 154 */ 155 set_profile() 156 { 157 register FILE *f; 158 char fname[BUFSIZ]; 159 static char prof[] = ".indent.pro"; 160 161 sprintf(fname, "%s/%s", getenv("HOME"), prof); 162 if ((f = fopen(option_source = fname, "r")) != NULL) { 163 scan_profile(f); 164 (void) fclose(f); 165 } 166 if ((f = fopen(option_source = prof, "r")) != NULL) { 167 scan_profile(f); 168 (void) fclose(f); 169 } 170 option_source = "Command line"; 171 } 172 173 scan_profile(f) 174 register FILE *f; 175 { 176 register int i; 177 register char *p; 178 char buf[BUFSIZ]; 179 180 while (1) { 181 for (p = buf; (i = getc(f)) != EOF && (*p = i) > ' '; ++p); 182 if (p != buf) { 183 *p++ = 0; 184 if (verbose) 185 printf("profile: %s\n", buf); 186 set_option(buf); 187 } 188 else if (i == EOF) 189 return; 190 } 191 } 192 193 char *param_start; 194 195 eqin(s1, s2) 196 register char *s1; 197 register char *s2; 198 { 199 while (*s1) { 200 if (*s1++ != *s2++) 201 return (false); 202 } 203 param_start = s2; 204 return (true); 205 } 206 207 /* 208 * Set the defaults. 209 */ 210 set_defaults() 211 { 212 register struct pro *p; 213 214 /* 215 * Because ps.case_indent is a float, we can't initialize it from the 216 * table: 217 */ 218 ps.case_indent = 0.0; /* -cli0.0 */ 219 for (p = pro; p->p_name; p++) 220 if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT) 221 *p->p_obj = p->p_default; 222 } 223 224 set_option(arg) 225 register char *arg; 226 { 227 register struct pro *p; 228 extern double atof(); 229 230 arg++; /* ignore leading "-" */ 231 for (p = pro; p->p_name; p++) 232 if (*p->p_name == *arg && eqin(p->p_name, arg)) 233 goto found; 234 fprintf(stderr, "indent: %s: unknown parameter \"%s\"\n", option_source, arg - 1); 235 exit(1); 236 found: 237 switch (p->p_type) { 238 239 case PRO_SPECIAL: 240 switch (p->p_special) { 241 242 case IGN: 243 break; 244 245 case CLI: 246 if (*param_start == 0) 247 goto need_param; 248 ps.case_indent = atof(param_start); 249 break; 250 251 case STDIN: 252 if (input == 0) 253 input = stdin; 254 if (output == 0) 255 output = stdout; 256 break; 257 258 case KEY: 259 if (*param_start == 0) 260 goto need_param; 261 { 262 register char *str = (char *) malloc(strlen(param_start) + 1); 263 strcpy(str, param_start); 264 addkey(str, 4); 265 } 266 break; 267 268 default: 269 fprintf(stderr, "\ 270 indent: set_option: internal error: p_special %d\n", p->p_special); 271 exit(1); 272 } 273 break; 274 275 case PRO_BOOL: 276 if (p->p_special == OFF) 277 *p->p_obj = false; 278 else 279 *p->p_obj = true; 280 break; 281 282 case PRO_INT: 283 if (!isdigit(*param_start)) { 284 need_param: 285 fprintf(stderr, "indent: %s: ``%s'' requires a parameter\n", 286 option_source, arg - 1); 287 exit(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 fprintf(stderr, "indent: set_option: internal error: p_type %d\n", 298 p->p_type); 299 exit(1); 300 } 301 } 302
Indexes created Wed Sep 24 15:09:51 GMT 2025