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 are permitted 8 * provided that the above copyright notice and this paragraph are 9 * duplicated in all such forms and that any documentation, 10 * advertising materials, and other materials related to such 11 * distribution and use acknowledge that the software was developed 12 * by the University of California, Berkeley, the University of Illinois, 13 * Urbana, and Sun Microsystems, Inc. The name of either University 14 * or Sun Microsystems may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 18 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 19 */ 20 21 #ifndef lint 22 static char sccsid[] = "@(#)args.c 5.8 (Berkeley) 05/15/89"; 23 #endif /* not lint */ 24 25 /* 26 * Argument scanning and profile reading code. Default parameters are set 27 * here as well. 28 */ 29 30 #include "indent_globs.h" 31 #include <ctype.h> 32 33 char *getenv(), *index(); 34 35 /* profile types */ 36 #define PRO_SPECIAL 1 /* special case */ 37 #define PRO_BOOL 2 /* boolean */ 38 #define PRO_INT 3 /* integer */ 39 #define PRO_FONT 4 /* troff font */ 40 41 /* profile specials for booleans */ 42 #define ON 1 /* turn it on */ 43 #define OFF 0 /* turn it off */ 44 45 /* profile specials for specials */ 46 #define IGN 1 /* ignore it */ 47 #define CLI 2 /* case label indent (float) */ 48 #define STDIN 3 /* use stdin */ 49 #define KEY 4 /* type (keyword) */ 50 51 char *option_source = "?"; 52 53 /* 54 * N.B.: because of the way the table here is scanned, options whose names are 55 * substrings of other options must occur later; that is, with -lp vs -l, -lp 56 * must be first. Also, while (most) booleans occur more than once, the last 57 * default value is the one actually assigned. 58 */ 59 struct pro { 60 char *p_name; /* name, eg -bl, -cli */ 61 int p_type; /* type (int, bool, special) */ 62 int p_default; /* the default value (if int) */ 63 int p_special; /* depends on type */ 64 int *p_obj; /* the associated variable */ 65 } pro[] = { 66 67 "T", PRO_SPECIAL, 0, KEY, 0, 68 "bacc", PRO_BOOL, false, ON, &blanklines_around_conditional_compilation, 69 "badp", PRO_BOOL, false, ON, &blanklines_after_declarations_at_proctop, 70 "bad", PRO_BOOL, false, ON, &blanklines_after_declarations, 71 "bap", PRO_BOOL, false, ON, &blanklines_after_procs, 72 "bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments, 73 "bc", PRO_BOOL, true, OFF, &ps.leave_comma, 74 "bl", PRO_BOOL, true, OFF, &btype_2, 75 "br", PRO_BOOL, true, ON, &btype_2, 76 "bs", PRO_BOOL, false, ON, &Bill_Shannon, 77 "cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline, 78 "cd", PRO_INT, 0, 0, &ps.decl_com_ind, 79 "ce", PRO_BOOL, true, ON, &cuddle_else, 80 "ci", PRO_INT, 0, 0, &continuation_indent, 81 "cli", PRO_SPECIAL, 0, CLI, 0, 82 "c", PRO_INT, 33, 0, &ps.com_ind, 83 "di", PRO_INT, 16, 0, &ps.decl_indent, 84 "dj", PRO_BOOL, false, ON, &ps.ljust_decl, 85 "d", PRO_INT, 0, 0, &ps.unindent_displace, 86 "eei", PRO_BOOL, false, ON, &extra_expression_indent, 87 "ei", PRO_BOOL, true, ON, &ps.else_if, 88 "fbc", PRO_FONT, 0, 0, (int *) &blkcomf, 89 "fbx", PRO_FONT, 0, 0, (int *) &boxcomf, 90 "fb", PRO_FONT, 0, 0, (int *) &bodyf, 91 "fc1", PRO_BOOL, true, ON, &format_col1_comments, 92 "fc", PRO_FONT, 0, 0, (int *) &scomf, 93 "fk", PRO_FONT, 0, 0, (int *) &keywordf, 94 "fs", PRO_FONT, 0, 0, (int *) &stringf, 95 "ip", PRO_BOOL, true, ON, &ps.indent_parameters, 96 "i", PRO_INT, 8, 0, &ps.ind_size, 97 "lc", PRO_INT, 0, 0, &block_comment_max_col, 98 "lp", PRO_BOOL, true, ON, &lineup_to_parens, 99 "l", PRO_INT, 78, 0, &max_col, 100 "nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation, 101 "nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop, 102 "nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations, 103 "nbap", PRO_BOOL, false, OFF, &blanklines_after_procs, 104 "nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments, 105 "nbc", PRO_BOOL, true, ON, &ps.leave_comma, 106 "nbs", PRO_BOOL, false, OFF, &Bill_Shannon, 107 "ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline, 108 "nce", PRO_BOOL, true, OFF, &cuddle_else, 109 "ndj", PRO_BOOL, false, OFF, &ps.ljust_decl, 110 "neei", PRO_BOOL, false, OFF, &extra_expression_indent, 111 "nei", PRO_BOOL, true, OFF, &ps.else_if, 112 "nfc1", PRO_BOOL, true, OFF, &format_col1_comments, 113 "nip", PRO_BOOL, true, OFF, &ps.indent_parameters, 114 "nlp", PRO_BOOL, true, OFF, &lineup_to_parens, 115 "npcs", PRO_BOOL, false, OFF, &proc_calls_space, 116 "npro", PRO_SPECIAL, 0, IGN, 0, 117 "npsl", PRO_BOOL, true, OFF, &procnames_start_line, 118 "nps", PRO_BOOL, false, OFF, &pointer_as_binop, 119 "nsc", PRO_BOOL, true, OFF, &star_comment_cont, 120 "nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines, 121 "nv", PRO_BOOL, false, OFF, &verbose, 122 "pcs", PRO_BOOL, false, ON, &proc_calls_space, 123 "psl", PRO_BOOL, true, ON, &procnames_start_line, 124 "ps", PRO_BOOL, false, ON, &pointer_as_binop, 125 "sc", PRO_BOOL, true, ON, &star_comment_cont, 126 "sob", PRO_BOOL, false, ON, &swallow_optional_blanklines, 127 "st", PRO_SPECIAL, 0, STDIN, 0, 128 "troff", PRO_BOOL, false, ON, &troff, 129 "v", PRO_BOOL, false, ON, &verbose, 130 /* whew! */ 131 0, 0, 0, 0, 0 132 }; 133 134 /* 135 * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments 136 * given in these files. 137 */ 138 set_profile() 139 { 140 register FILE *f; 141 char fname[BUFSIZ]; 142 static char prof[] = ".indent.pro"; 143 144 sprintf(fname, "%s/%s", getenv("HOME"), prof); 145 if ((f = fopen(option_source = fname, "r")) != NULL) { 146 scan_profile(f); 147 (void) fclose(f); 148 } 149 if ((f = fopen(option_source = prof, "r")) != NULL) { 150 scan_profile(f); 151 (void) fclose(f); 152 } 153 option_source = "Command line"; 154 } 155 156 scan_profile(f) 157 register FILE *f; 158 { 159 register int i; 160 register char *p; 161 char buf[BUFSIZ]; 162 163 while (1) { 164 for (p = buf; (i = getc(f)) != EOF && (*p = i) > ' '; ++p); 165 if (p != buf) { 166 *p++ = 0; 167 if (verbose) 168 printf("profile: %s\n", buf); 169 set_option(buf); 170 } 171 else if (i == EOF) 172 return; 173 } 174 } 175 176 char *param_start; 177 178 eqin(s1, s2) 179 register char *s1; 180 register char *s2; 181 { 182 while (*s1) { 183 if (*s1++ != *s2++) 184 return (false); 185 } 186 param_start = s2; 187 return (true); 188 } 189 190 /* 191 * Set the defaults. 192 */ 193 set_defaults() 194 { 195 register struct pro *p; 196 197 /* 198 * Because ps.case_indent is a float, we can't initialize it from the 199 * table: 200 */ 201 ps.case_indent = 0.0; /* -cli0.0 */ 202 for (p = pro; p->p_name; p++) 203 if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT) 204 *p->p_obj = p->p_default; 205 } 206 207 set_option(arg) 208 register char *arg; 209 { 210 register struct pro *p; 211 extern double atof(); 212 213 arg++; /* ignore leading "-" */ 214 for (p = pro; p->p_name; p++) 215 if (*p->p_name == *arg && eqin(p->p_name, arg)) 216 goto found; 217 fprintf(stderr, "indent: %s: unknown parameter \"%s\"\n", option_source, arg - 1); 218 exit(1); 219 found: 220 switch (p->p_type) { 221 222 case PRO_SPECIAL: 223 switch (p->p_special) { 224 225 case IGN: 226 break; 227 228 case CLI: 229 if (*param_start == 0) 230 goto need_param; 231 ps.case_indent = atof(param_start); 232 break; 233 234 case STDIN: 235 if (input == 0) 236 input = stdin; 237 if (output == 0) 238 output = stdout; 239 break; 240 241 case KEY: 242 if (*param_start == 0) 243 goto need_param; 244 { 245 register char *str = (char *) malloc(strlen(param_start) + 1); 246 strcpy(str, param_start); 247 addkey(str, 4); 248 } 249 break; 250 251 default: 252 fprintf(stderr, "\ 253 indent: set_option: internal error: p_special %d\n", p->p_special); 254 exit(1); 255 } 256 break; 257 258 case PRO_BOOL: 259 if (p->p_special == OFF) 260 *p->p_obj = false; 261 else 262 *p->p_obj = true; 263 break; 264 265 case PRO_INT: 266 if (!isdigit(*param_start)) { 267 need_param: 268 fprintf(stderr, "indent: %s: ``%s'' requires a parameter\n", 269 option_source, arg - 1); 270 exit(1); 271 } 272 *p->p_obj = atoi(param_start); 273 break; 274 275 case PRO_FONT: 276 parsefont((struct fstate *) p->p_obj, param_start); 277 break; 278 279 default: 280 fprintf(stderr, "indent: set_option: internal error: p_type %d\n", 281 p->p_type); 282 exit(1); 283 } 284 } 285