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 5.6 (Berkeley) 09/15/88"; 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 <sys/types.h> 32 #include <ctype.h> 33 34 char *getenv(), *index(); 35 36 /* profile types */ 37 #define PRO_SPECIAL 1 /* special case */ 38 #define PRO_BOOL 2 /* boolean */ 39 #define PRO_INT 3 /* integer */ 40 #define PRO_FONT 4 /* troff font */ 41 42 /* profile specials for booleans */ 43 #define ON 1 /* turn it on */ 44 #define OFF 0 /* turn it off */ 45 46 /* profile specials for specials */ 47 #define IGN 1 /* ignore it */ 48 #define CLI 2 /* case label indent (float) */ 49 #define STDIN 3 /* use stdin */ 50 #define KEY 4 /* type (keyword) */ 51 52 /* 53 * N.B.: because of the way the table here is scanned, options whose names are 54 * substrings of other options must occur later; that is, with -lp vs -l, -lp 55 * must be first. Also, while (most) booleans occur more than once, the last 56 * default value is the one actually assigned. 57 */ 58 struct pro { 59 char *p_name; /* name, eg -bl, -cli */ 60 int p_type; /* type (int, bool, special) */ 61 int p_default; /* the default value (if int) */ 62 int p_special; /* depends on type */ 63 int *p_obj; /* the associated variable */ 64 } pro[] = { 65 66 "T", PRO_SPECIAL, 0, KEY, 0, 67 "bacc", PRO_BOOL, false, ON, &blanklines_around_conditional_compilation, 68 "badp", PRO_BOOL, false, ON, &blanklines_after_declarations_at_proctop, 69 "bad", PRO_BOOL, false, ON, &blanklines_after_declarations, 70 "bap", PRO_BOOL, false, ON, &blanklines_after_procs, 71 "bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments, 72 "bc", PRO_BOOL, true, OFF, &ps.leave_comma, 73 "bl", PRO_BOOL, true, OFF, &btype_2, 74 "br", PRO_BOOL, true, ON, &btype_2, 75 "bs", PRO_BOOL, false, ON, &Bill_Shannon, 76 "cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline, 77 "cd", PRO_INT, 0, 0, &ps.decl_com_ind, 78 "ce", PRO_BOOL, true, ON, &cuddle_else, 79 "ci", PRO_INT, 0, 0, &continuation_indent, 80 "cli", PRO_SPECIAL, 0, CLI, 0, 81 "c", PRO_INT, 33, 0, &ps.com_ind, 82 "di", PRO_INT, 16, 0, &ps.decl_indent, 83 "dj", PRO_BOOL, false, ON, &ps.ljust_decl, 84 "d", PRO_INT, 0, 0, &ps.unindent_displace, 85 "eei", PRO_BOOL, false, ON, &extra_expression_indent, 86 "ei", PRO_BOOL, true, ON, &ps.else_if, 87 "fbc", PRO_FONT, 0, 0, (int *) &blkcomf, 88 "fbx", PRO_FONT, 0, 0, (int *) &boxcomf, 89 "fb", PRO_FONT, 0, 0, (int *) &bodyf, 90 "fc1", PRO_BOOL, true, ON, &format_col1_comments, 91 "fc", PRO_FONT, 0, 0, (int *) &scomf, 92 "fk", PRO_FONT, 0, 0, (int *) &keywordf, 93 "fs", PRO_FONT, 0, 0, (int *) &stringf, 94 "ip", PRO_BOOL, true, ON, &ps.indent_parameters, 95 "i", PRO_INT, 8, 0, &ps.ind_size, 96 "lc", PRO_INT, 0, 0, &block_comment_max_col, 97 "lp", PRO_BOOL, true, ON, &lineup_to_parens, 98 "l", PRO_INT, 78, 0, &max_col, 99 "nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation, 100 "nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop, 101 "nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations, 102 "nbap", PRO_BOOL, false, OFF, &blanklines_after_procs, 103 "nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments, 104 "nbc", PRO_BOOL, true, ON, &ps.leave_comma, 105 "nbs", PRO_BOOL, false, OFF, &Bill_Shannon, 106 "ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline, 107 "nce", PRO_BOOL, true, OFF, &cuddle_else, 108 "ndj", PRO_BOOL, false, OFF, &ps.ljust_decl, 109 "neei", PRO_BOOL, false, OFF, &extra_expression_indent, 110 "nei", PRO_BOOL, true, OFF, &ps.else_if, 111 "nfc1", PRO_BOOL, true, OFF, &format_col1_comments, 112 "nip", PRO_BOOL, true, OFF, &ps.indent_parameters, 113 "nlp", PRO_BOOL, true, OFF, &lineup_to_parens, 114 "npcs", PRO_BOOL, false, OFF, &proc_calls_space, 115 "npro", PRO_SPECIAL, 0, IGN, 0, 116 "npsl", PRO_BOOL, true, OFF, &procnames_start_line, 117 "nps", PRO_BOOL, false, OFF, &pointer_as_binop, 118 "nsc", PRO_BOOL, true, OFF, &star_comment_cont, 119 "nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines, 120 "nv", PRO_BOOL, false, OFF, &verbose, 121 "pcs", PRO_BOOL, false, ON, &proc_calls_space, 122 "psl", PRO_BOOL, true, ON, &procnames_start_line, 123 "ps", PRO_BOOL, false, ON, &pointer_as_binop, 124 "sc", PRO_BOOL, true, ON, &star_comment_cont, 125 "sob", PRO_BOOL, false, ON, &swallow_optional_blanklines, 126 "st", PRO_SPECIAL, 0, STDIN, 0, 127 "troff", PRO_BOOL, false, ON, &troff, 128 "v", PRO_BOOL, false, ON, &verbose, 129 /* whew! */ 130 0, 0, 0, 0, 0 131 }; 132 133 /* 134 * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments 135 * given in these files. 136 */ 137 set_profile() 138 { 139 register FILE *f; 140 char fname[BUFSIZ]; 141 static char prof[] = ".indent.pro"; 142 143 sprintf(fname, "%s/%s", getenv("HOME"), prof); 144 if ((f = fopen(fname, "r")) != NULL) { 145 scan_profile(f); 146 (void) fclose(f); 147 } 148 if ((f = fopen(prof, "r")) != NULL) { 149 scan_profile(f); 150 (void) fclose(f); 151 } 152 } 153 154 scan_profile(f) 155 register FILE *f; 156 { 157 register int i; 158 register char *p; 159 char buf[BUFSIZ]; 160 161 while (1) { 162 for (p = buf; (i = getc(f)) != EOF && (*p = i) > ' '; ++p); 163 if (p != buf) { 164 *p++ = 0; 165 if (verbose) 166 printf("profile: %s\n", buf); 167 set_option(buf); 168 } 169 else if (i == EOF) 170 return; 171 } 172 } 173 174 char *param_start; 175 176 eqin(s1, s2) 177 register char *s1; 178 register char *s2; 179 { 180 while (*s1) { 181 if (*s1++ != *s2++) 182 return (false); 183 } 184 param_start = s2; 185 return (true); 186 } 187 188 /* 189 * Set the defaults. 190 */ 191 set_defaults() 192 { 193 register struct pro *p; 194 195 /* 196 * Because ps.case_indent is a float, we can't initialize it from the 197 * table: 198 */ 199 ps.case_indent = 0.0; /* -cli0.0 */ 200 for (p = pro; p->p_name; p++) 201 if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT) 202 *p->p_obj = p->p_default; 203 } 204 205 set_option(arg) 206 register char *arg; 207 { 208 register struct pro *p; 209 extern double atof(); 210 211 arg++; /* ignore leading "-" */ 212 for (p = pro; p->p_name; p++) 213 if (*p->p_name == *arg && eqin(p->p_name, arg)) 214 goto found; 215 fprintf(stderr, "indent: unknown parameter \"%s\"\n", arg - 1); 216 exit(1); 217 found: 218 switch (p->p_type) { 219 220 case PRO_SPECIAL: 221 switch (p->p_special) { 222 223 case IGN: 224 break; 225 226 case CLI: 227 if (*param_start == 0) 228 goto need_param; 229 ps.case_indent = atof(param_start); 230 break; 231 232 case STDIN: 233 if (input == 0) 234 input = stdin; 235 if (output == 0) 236 output = stdout; 237 break; 238 239 case KEY: 240 if (*param_start == 0) 241 goto need_param; 242 { 243 register char *str = (char *) malloc(strlen(param_start) + 1); 244 strcpy(str, param_start); 245 addkey(str, 4); 246 } 247 break; 248 249 default: 250 fprintf(stderr, "\ 251 indent: set_option: internal error: p_special %d\n", p->p_special); 252 exit(1); 253 } 254 break; 255 256 case PRO_BOOL: 257 if (p->p_special == OFF) 258 *p->p_obj = false; 259 else 260 *p->p_obj = true; 261 break; 262 263 case PRO_INT: 264 if (*param_start == 0) { 265 need_param: 266 fprintf(stderr, "indent: ``%s'' requires a parameter\n", 267 arg - 1); 268 exit(1); 269 } 270 *p->p_obj = atoi(param_start); 271 break; 272 273 case PRO_FONT: 274 parsefont((struct fstate *) p->p_obj, param_start); 275 break; 276 277 default: 278 fprintf(stderr, "indent: set_option: internal error: p_type %d\n", 279 p->p_type); 280 exit(1); 281 } 282 } 283