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 5.5 (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 pro[] = ".indent.pro"; 142 143 sprintf(fname, "%s/%s", getenv("HOME"), pro); 144 if ((f = fopen(fname, "r")) != NULL) { 145 scan_profile(f); 146 (void) fclose(f); 147 } 148 if ((f = fopen(pro, "r")) != NULL) { 149 scan_profile(f); 150 (void) fclose(f); 151 } 152 } 153 154 scan_profile(f) 155 register FILE *f; 156 { 157 register char *p; 158 char buf[BUFSIZ]; 159 160 while (1) { 161 p = buf; 162 while ((*p = getc(f)) != EOF && *p > ' ') 163 p++; 164 if (p != buf) { 165 *p++ = 0; 166 if (verbose) 167 printf("profile: %s\n", buf); 168 set_option(buf); 169 } 170 else if (*p == EOF) 171 return; 172 } 173 } 174 175 char *param_start; 176 177 eqin(s1, s2) 178 register char *s1; 179 register char *s2; 180 { 181 while (*s1) { 182 if (*s1++ != *s2++) 183 return (false); 184 } 185 param_start = s2; 186 return (true); 187 } 188 189 /* 190 * Set the defaults. 191 */ 192 set_defaults() 193 { 194 register struct pro *p; 195 196 /* 197 * Because ps.case_indent is a float, we can't initialize it from the 198 * table: 199 */ 200 ps.case_indent = 0.0; /* -cli0.0 */ 201 for (p = pro; p->p_name; p++) 202 if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT) 203 *p->p_obj = p->p_default; 204 } 205 206 set_option(arg) 207 register char *arg; 208 { 209 register struct pro *p; 210 extern double atof(); 211 212 arg++; /* ignore leading "-" */ 213 for (p = pro; p->p_name; p++) 214 if (*p->p_name == *arg && eqin(p->p_name, arg)) 215 goto found; 216 fprintf(stderr, "indent: unknown parameter \"%s\"\n", arg - 1); 217 exit(1); 218 found: 219 switch (p->p_type) { 220 221 case PRO_SPECIAL: 222 switch (p->p_special) { 223 224 case IGN: 225 break; 226 227 case CLI: 228 if (*param_start == 0) 229 goto need_param; 230 ps.case_indent = atof(param_start); 231 break; 232 233 case STDIN: 234 if (input == 0) 235 input = stdin; 236 if (output == 0) 237 output = stdout; 238 break; 239 240 case KEY: 241 if (*param_start == 0) 242 goto need_param; 243 { 244 register char *str = (char *) malloc(strlen(param_start) + 1); 245 strcpy(str, param_start); 246 addkey(str, 4); 247 } 248 break; 249 250 default: 251 fprintf(stderr, "\ 252 indent: set_option: internal error: p_special %d\n", p->p_special); 253 exit(1); 254 } 255 break; 256 257 case PRO_BOOL: 258 if (p->p_special == OFF) 259 *p->p_obj = false; 260 else 261 *p->p_obj = true; 262 break; 263 264 case PRO_INT: 265 if (*param_start == 0) { 266 need_param: 267 fprintf(stderr, "indent: ``%s'' requires a parameter\n", 268 arg - 1); 269 exit(1); 270 } 271 *p->p_obj = atoi(param_start); 272 break; 273 274 case PRO_FONT: 275 parsefont((struct fstate *) p->p_obj, param_start); 276 break; 277 278 default: 279 fprintf(stderr, "indent: set_option: internal error: p_type %d\n", 280 p->p_type); 281 exit(1); 282 } 283 } 284