| 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) %G%"; |
| 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 | } |