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 * %sccs.include.redist.c% 8 */ 9 10 #ifndef lint 11 static char sccsid[] = "@(#)args.c 5.9 (Berkeley) 06/01/90"; 12 #endif /* not lint */ 13 14 /* 15 * Argument scanning and profile reading code. Default parameters are set 16 * here as well. 17 */ 18 19 #include "indent_globs.h" 20 #include <ctype.h> 21 22 char *getenv(), *index(); 23 24 /* profile types */ 25 #define PRO_SPECIAL 1 /* special case */ 26 #define PRO_BOOL 2 /* boolean */ 27 #define PRO_INT 3 /* integer */ 28 #define PRO_FONT 4 /* troff font */ 29 30 /* profile specials for booleans */ 31 #define ON 1 /* turn it on */ 32 #define OFF 0 /* turn it off */ 33 34 /* profile specials for specials */ 35 #define IGN 1 /* ignore it */ 36 #define CLI 2 /* case label indent (float) */ 37 #define STDIN 3 /* use stdin */ 38 #define KEY 4 /* type (keyword) */ 39 40 char *option_source = "?"; 41 42 /* 43 * N.B.: because of the way the table here is scanned, options whose names are 44 * substrings of other options must occur later; that is, with -lp vs -l, -lp 45 * must be first. Also, while (most) booleans occur more than once, the last 46 * default value is the one actually assigned. 47 */ 48 struct pro { 49 char *p_name; /* name, eg -bl, -cli */ 50 int p_type; /* type (int, bool, special) */ 51 int p_default; /* the default value (if int) */ 52 int p_special; /* depends on type */ 53 int *p_obj; /* the associated variable */ 54 } pro[] = { 55 56 "T", PRO_SPECIAL, 0, KEY, 0, 57 "bacc", PRO_BOOL, false, ON, &blanklines_around_conditional_compilation, 58 "badp", PRO_BOOL, false, ON, &blanklines_after_declarations_at_proctop, 59 "bad", PRO_BOOL, false, ON, &blanklines_after_declarations, 60 "bap", PRO_BOOL, false, ON, &blanklines_after_procs, 61 "bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments, 62 "bc", PRO_BOOL, true, OFF, &ps.leave_comma, 63 "bl", PRO_BOOL, true, OFF, &btype_2, 64 "br", PRO_BOOL, true, ON, &btype_2, 65 "bs", PRO_BOOL, false, ON, &Bill_Shannon, 66 "cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline, 67 "cd", PRO_INT, 0, 0, &ps.decl_com_ind, 68 "ce", PRO_BOOL, true, ON, &cuddle_else, 69 "ci", PRO_INT, 0, 0, &continuation_indent, 70 "cli", PRO_SPECIAL, 0, CLI, 0, 71 "c", PRO_INT, 33, 0, &ps.com_ind, 72 "di", PRO_INT, 16, 0, &ps.decl_indent, 73 "dj", PRO_BOOL, false, ON, &ps.ljust_decl, 74 "d", PRO_INT, 0, 0, &ps.unindent_displace, 75 "eei", PRO_BOOL, false, ON, &extra_expression_indent, 76 "ei", PRO_BOOL, true, ON, &ps.else_if, 77 "fbc", PRO_FONT, 0, 0, (int *) &blkcomf, 78 "fbx", PRO_FONT, 0, 0, (int *) &boxcomf, 79 "fb", PRO_FONT, 0, 0, (int *) &bodyf, 80 "fc1", PRO_BOOL, true, ON, &format_col1_comments, 81 "fc", PRO_FONT, 0, 0, (int *) &scomf, 82 "fk", PRO_FONT, 0, 0, (int *) &keywordf, 83 "fs", PRO_FONT, 0, 0, (int *) &stringf, 84 "ip", PRO_BOOL, true, ON, &ps.indent_parameters, 85 "i", PRO_INT, 8, 0, &ps.ind_size, 86 "lc", PRO_INT, 0, 0, &block_comment_max_col, 87 "lp", PRO_BOOL, true, ON, &lineup_to_parens, 88 "l", PRO_INT, 78, 0, &max_col, 89 "nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation, 90 "nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop, 91 "nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations, 92 "nbap", PRO_BOOL, false, OFF, &blanklines_after_procs, 93 "nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments, 94 "nbc", PRO_BOOL, true, ON, &ps.leave_comma, 95 "nbs", PRO_BOOL, false, OFF, &Bill_Shannon, 96 "ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline, 97 "nce", PRO_BOOL, true, OFF, &cuddle_else, 98 "ndj", PRO_BOOL, false, OFF, &ps.ljust_decl, 99 "neei", PRO_BOOL, false, OFF, &extra_expression_indent, 100 "nei", PRO_BOOL, true, OFF, &ps.else_if, 101 "nfc1", PRO_BOOL, true, OFF, &format_col1_comments, 102 "nip", PRO_BOOL, true, OFF, &ps.indent_parameters, 103 "nlp", PRO_BOOL, true, OFF, &lineup_to_parens, 104 "npcs", PRO_BOOL, false, OFF, &proc_calls_space, 105 "npro", PRO_SPECIAL, 0, IGN, 0, 106 "npsl", PRO_BOOL, true, OFF, &procnames_start_line, 107 "nps", PRO_BOOL, false, OFF, &pointer_as_binop, 108 "nsc", PRO_BOOL, true, OFF, &star_comment_cont, 109 "nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines, 110 "nv", PRO_BOOL, false, OFF, &verbose, 111 "pcs", PRO_BOOL, false, ON, &proc_calls_space, 112 "psl", PRO_BOOL, true, ON, &procnames_start_line, 113 "ps", PRO_BOOL, false, ON, &pointer_as_binop, 114 "sc", PRO_BOOL, true, ON, &star_comment_cont, 115 "sob", PRO_BOOL, false, ON, &swallow_optional_blanklines, 116 "st", PRO_SPECIAL, 0, STDIN, 0, 117 "troff", PRO_BOOL, false, ON, &troff, 118 "v", PRO_BOOL, false, ON, &verbose, 119 /* whew! */ 120 0, 0, 0, 0, 0 121 }; 122 123 /* 124 * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments 125 * given in these files. 126 */ 127 set_profile() 128 { 129 register FILE *f; 130 char fname[BUFSIZ]; 131 static char prof[] = ".indent.pro"; 132 133 sprintf(fname, "%s/%s", getenv("HOME"), prof); 134 if ((f = fopen(option_source = fname, "r")) != NULL) { 135 scan_profile(f); 136 (void) fclose(f); 137 } 138 if ((f = fopen(option_source = prof, "r")) != NULL) { 139 scan_profile(f); 140 (void) fclose(f); 141 } 142 option_source = "Command line"; 143 } 144 145 scan_profile(f) 146 register FILE *f; 147 { 148 register int i; 149 register char *p; 150 char buf[BUFSIZ]; 151 152 while (1) { 153 for (p = buf; (i = getc(f)) != EOF && (*p = i) > ' '; ++p); 154 if (p != buf) { 155 *p++ = 0; 156 if (verbose) 157 printf("profile: %s\n", buf); 158 set_option(buf); 159 } 160 else if (i == EOF) 161 return; 162 } 163 } 164 165 char *param_start; 166 167 eqin(s1, s2) 168 register char *s1; 169 register char *s2; 170 { 171 while (*s1) { 172 if (*s1++ != *s2++) 173 return (false); 174 } 175 param_start = s2; 176 return (true); 177 } 178 179 /* 180 * Set the defaults. 181 */ 182 set_defaults() 183 { 184 register struct pro *p; 185 186 /* 187 * Because ps.case_indent is a float, we can't initialize it from the 188 * table: 189 */ 190 ps.case_indent = 0.0; /* -cli0.0 */ 191 for (p = pro; p->p_name; p++) 192 if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT) 193 *p->p_obj = p->p_default; 194 } 195 196 set_option(arg) 197 register char *arg; 198 { 199 register struct pro *p; 200 extern double atof(); 201 202 arg++; /* ignore leading "-" */ 203 for (p = pro; p->p_name; p++) 204 if (*p->p_name == *arg && eqin(p->p_name, arg)) 205 goto found; 206 fprintf(stderr, "indent: %s: unknown parameter \"%s\"\n", option_source, arg - 1); 207 exit(1); 208 found: 209 switch (p->p_type) { 210 211 case PRO_SPECIAL: 212 switch (p->p_special) { 213 214 case IGN: 215 break; 216 217 case CLI: 218 if (*param_start == 0) 219 goto need_param; 220 ps.case_indent = atof(param_start); 221 break; 222 223 case STDIN: 224 if (input == 0) 225 input = stdin; 226 if (output == 0) 227 output = stdout; 228 break; 229 230 case KEY: 231 if (*param_start == 0) 232 goto need_param; 233 { 234 register char *str = (char *) malloc(strlen(param_start) + 1); 235 strcpy(str, param_start); 236 addkey(str, 4); 237 } 238 break; 239 240 default: 241 fprintf(stderr, "\ 242 indent: set_option: internal error: p_special %d\n", p->p_special); 243 exit(1); 244 } 245 break; 246 247 case PRO_BOOL: 248 if (p->p_special == OFF) 249 *p->p_obj = false; 250 else 251 *p->p_obj = true; 252 break; 253 254 case PRO_INT: 255 if (!isdigit(*param_start)) { 256 need_param: 257 fprintf(stderr, "indent: %s: ``%s'' requires a parameter\n", 258 option_source, arg - 1); 259 exit(1); 260 } 261 *p->p_obj = atoi(param_start); 262 break; 263 264 case PRO_FONT: 265 parsefont((struct fstate *) p->p_obj, param_start); 266 break; 267 268 default: 269 fprintf(stderr, "indent: set_option: internal error: p_type %d\n", 270 p->p_type); 271 exit(1); 272 } 273 } 274