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 5.7 (Berkeley) 03/05/89"; 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 /* 52 * N.B.: because of the way the table here is scanned, options whose names are 53 * substrings of other options must occur later; that is, with -lp vs -l, -lp 54 * must be first. Also, while (most) booleans occur more than once, the last 55 * default value is the one actually assigned. 56 */ 57 struct pro { 58 char *p_name; /* name, eg -bl, -cli */ 59 int p_type; /* type (int, bool, special) */ 60 int p_default; /* the default value (if int) */ 61 int p_special; /* depends on type */ 62 int *p_obj; /* the associated variable */ 63 } pro[] = { 64 65 "T", PRO_SPECIAL, 0, KEY, 0, 66 "bacc", PRO_BOOL, false, ON, &blanklines_around_conditional_compilation, 67 "badp", PRO_BOOL, false, ON, &blanklines_after_declarations_at_proctop, 68 "bad", PRO_BOOL, false, ON, &blanklines_after_declarations, 69 "bap", PRO_BOOL, false, ON, &blanklines_after_procs, 70 "bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments, 71 "bc", PRO_BOOL, true, OFF, &ps.leave_comma, 72 "bl", PRO_BOOL, true, OFF, &btype_2, 73 "br", PRO_BOOL, true, ON, &btype_2, 74 "bs", PRO_BOOL, false, ON, &Bill_Shannon, 75 "cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline, 76 "cd", PRO_INT, 0, 0, &ps.decl_com_ind, 77 "ce", PRO_BOOL, true, ON, &cuddle_else, 78 "ci", PRO_INT, 0, 0, &continuation_indent, 79 "cli", PRO_SPECIAL, 0, CLI, 0, 80 "c", PRO_INT, 33, 0, &ps.com_ind, 81 "di", PRO_INT, 16, 0, &ps.decl_indent, 82 "dj", PRO_BOOL, false, ON, &ps.ljust_decl, 83 "d", PRO_INT, 0, 0, &ps.unindent_displace, 84 "eei", PRO_BOOL, false, ON, &extra_expression_indent, 85 "ei", PRO_BOOL, true, ON, &ps.else_if, 86 "fbc", PRO_FONT, 0, 0, (int *) &blkcomf, 87 "fbx", PRO_FONT, 0, 0, (int *) &boxcomf, 88 "fb", PRO_FONT, 0, 0, (int *) &bodyf, 89 "fc1", PRO_BOOL, true, ON, &format_col1_comments, 90 "fc", PRO_FONT, 0, 0, (int *) &scomf, 91 "fk", PRO_FONT, 0, 0, (int *) &keywordf, 92 "fs", PRO_FONT, 0, 0, (int *) &stringf, 93 "ip", PRO_BOOL, true, ON, &ps.indent_parameters, 94 "i", PRO_INT, 8, 0, &ps.ind_size, 95 "lc", PRO_INT, 0, 0, &block_comment_max_col, 96 "lp", PRO_BOOL, true, ON, &lineup_to_parens, 97 "l", PRO_INT, 78, 0, &max_col, 98 "nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation, 99 "nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop, 100 "nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations, 101 "nbap", PRO_BOOL, false, OFF, &blanklines_after_procs, 102 "nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments, 103 "nbc", PRO_BOOL, true, ON, &ps.leave_comma, 104 "nbs", PRO_BOOL, false, OFF, &Bill_Shannon, 105 "ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline, 106 "nce", PRO_BOOL, true, OFF, &cuddle_else, 107 "ndj", PRO_BOOL, false, OFF, &ps.ljust_decl, 108 "neei", PRO_BOOL, false, OFF, &extra_expression_indent, 109 "nei", PRO_BOOL, true, OFF, &ps.else_if, 110 "nfc1", PRO_BOOL, true, OFF, &format_col1_comments, 111 "nip", PRO_BOOL, true, OFF, &ps.indent_parameters, 112 "nlp", PRO_BOOL, true, OFF, &lineup_to_parens, 113 "npcs", PRO_BOOL, false, OFF, &proc_calls_space, 114 "npro", PRO_SPECIAL, 0, IGN, 0, 115 "npsl", PRO_BOOL, true, OFF, &procnames_start_line, 116 "nps", PRO_BOOL, false, OFF, &pointer_as_binop, 117 "nsc", PRO_BOOL, true, OFF, &star_comment_cont, 118 "nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines, 119 "nv", PRO_BOOL, false, OFF, &verbose, 120 "pcs", PRO_BOOL, false, ON, &proc_calls_space, 121 "psl", PRO_BOOL, true, ON, &procnames_start_line, 122 "ps", PRO_BOOL, false, ON, &pointer_as_binop, 123 "sc", PRO_BOOL, true, ON, &star_comment_cont, 124 "sob", PRO_BOOL, false, ON, &swallow_optional_blanklines, 125 "st", PRO_SPECIAL, 0, STDIN, 0, 126 "troff", PRO_BOOL, false, ON, &troff, 127 "v", PRO_BOOL, false, ON, &verbose, 128 /* whew! */ 129 0, 0, 0, 0, 0 130 }; 131 132 /* 133 * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments 134 * given in these files. 135 */ 136 set_profile() 137 { 138 register FILE *f; 139 char fname[BUFSIZ]; 140 static char prof[] = ".indent.pro"; 141 142 sprintf(fname, "%s/%s", getenv("HOME"), prof); 143 if ((f = fopen(fname, "r")) != NULL) { 144 scan_profile(f); 145 (void) fclose(f); 146 } 147 if ((f = fopen(prof, "r")) != NULL) { 148 scan_profile(f); 149 (void) fclose(f); 150 } 151 } 152 153 scan_profile(f) 154 register FILE *f; 155 { 156 register int i; 157 register char *p; 158 char buf[BUFSIZ]; 159 160 while (1) { 161 for (p = buf; (i = getc(f)) != EOF && (*p = i) > ' '; ++p); 162 if (p != buf) { 163 *p++ = 0; 164 if (verbose) 165 printf("profile: %s\n", buf); 166 set_option(buf); 167 } 168 else if (i == EOF) 169 return; 170 } 171 } 172 173 char *param_start; 174 175 eqin(s1, s2) 176 register char *s1; 177 register char *s2; 178 { 179 while (*s1) { 180 if (*s1++ != *s2++) 181 return (false); 182 } 183 param_start = s2; 184 return (true); 185 } 186 187 /* 188 * Set the defaults. 189 */ 190 set_defaults() 191 { 192 register struct pro *p; 193 194 /* 195 * Because ps.case_indent is a float, we can't initialize it from the 196 * table: 197 */ 198 ps.case_indent = 0.0; /* -cli0.0 */ 199 for (p = pro; p->p_name; p++) 200 if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT) 201 *p->p_obj = p->p_default; 202 } 203 204 set_option(arg) 205 register char *arg; 206 { 207 register struct pro *p; 208 extern double atof(); 209 210 arg++; /* ignore leading "-" */ 211 for (p = pro; p->p_name; p++) 212 if (*p->p_name == *arg && eqin(p->p_name, arg)) 213 goto found; 214 fprintf(stderr, "indent: unknown parameter \"%s\"\n", arg - 1); 215 exit(1); 216 found: 217 switch (p->p_type) { 218 219 case PRO_SPECIAL: 220 switch (p->p_special) { 221 222 case IGN: 223 break; 224 225 case CLI: 226 if (*param_start == 0) 227 goto need_param; 228 ps.case_indent = atof(param_start); 229 break; 230 231 case STDIN: 232 if (input == 0) 233 input = stdin; 234 if (output == 0) 235 output = stdout; 236 break; 237 238 case KEY: 239 if (*param_start == 0) 240 goto need_param; 241 { 242 register char *str = (char *) malloc(strlen(param_start) + 1); 243 strcpy(str, param_start); 244 addkey(str, 4); 245 } 246 break; 247 248 default: 249 fprintf(stderr, "\ 250 indent: set_option: internal error: p_special %d\n", p->p_special); 251 exit(1); 252 } 253 break; 254 255 case PRO_BOOL: 256 if (p->p_special == OFF) 257 *p->p_obj = false; 258 else 259 *p->p_obj = true; 260 break; 261 262 case PRO_INT: 263 if (*param_start == 0) { 264 need_param: 265 fprintf(stderr, "indent: ``%s'' requires a parameter\n", 266 arg - 1); 267 exit(1); 268 } 269 *p->p_obj = atoi(param_start); 270 break; 271 272 case PRO_FONT: 273 parsefont((struct fstate *) p->p_obj, param_start); 274 break; 275 276 default: 277 fprintf(stderr, "indent: set_option: internal error: p_type %d\n", 278 p->p_type); 279 exit(1); 280 } 281 } 282