diff options
Diffstat (limited to 'usr.bin/indent/args.c')
| -rw-r--r-- | usr.bin/indent/args.c | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/usr.bin/indent/args.c b/usr.bin/indent/args.c new file mode 100644 index 0000000..cab0f7d --- /dev/null +++ b/usr.bin/indent/args.c @@ -0,0 +1,327 @@ +/* + * Copyright (c) 1985 Sun Microsystems, Inc. + * Copyright (c) 1980, 1993 + * The Regents of the University of California. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if 0 +#ifndef lint +static char sccsid[] = "@(#)args.c 8.1 (Berkeley) 6/6/93"; +#endif /* not lint */ +#endif + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/* + * Argument scanning and profile reading code. Default parameters are set + * here as well. + */ + +#include <ctype.h> +#include <err.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "indent_globs.h" +#include "indent.h" + +/* profile types */ +#define PRO_SPECIAL 1 /* special case */ +#define PRO_BOOL 2 /* boolean */ +#define PRO_INT 3 /* integer */ +#define PRO_FONT 4 /* troff font */ + +/* profile specials for booleans */ +#define ON 1 /* turn it on */ +#define OFF 0 /* turn it off */ + +/* profile specials for specials */ +#define IGN 1 /* ignore it */ +#define CLI 2 /* case label indent (float) */ +#define STDIN 3 /* use stdin */ +#define KEY 4 /* type (keyword) */ + +static void scan_profile(FILE *); + +const char *option_source = "?"; + +/* + * N.B.: because of the way the table here is scanned, options whose names are + * substrings of other options must occur later; that is, with -lp vs -l, -lp + * must be first. Also, while (most) booleans occur more than once, the last + * default value is the one actually assigned. + */ +struct pro { + const char *p_name; /* name, e.g. -bl, -cli */ + int p_type; /* type (int, bool, special) */ + int p_default; /* the default value (if int) */ + int p_special; /* depends on type */ + int *p_obj; /* the associated variable */ +} pro[] = { + + {"T", PRO_SPECIAL, 0, KEY, 0}, + {"bacc", PRO_BOOL, false, ON, &blanklines_around_conditional_compilation}, + {"badp", PRO_BOOL, false, ON, &blanklines_after_declarations_at_proctop}, + {"bad", PRO_BOOL, false, ON, &blanklines_after_declarations}, + {"bap", PRO_BOOL, false, ON, &blanklines_after_procs}, + {"bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments}, + {"bc", PRO_BOOL, true, OFF, &ps.leave_comma}, + {"bl", PRO_BOOL, true, OFF, &btype_2}, + {"br", PRO_BOOL, true, ON, &btype_2}, + {"bs", PRO_BOOL, false, ON, &Bill_Shannon}, + {"cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline}, + {"cd", PRO_INT, 0, 0, &ps.decl_com_ind}, + {"ce", PRO_BOOL, true, ON, &cuddle_else}, + {"ci", PRO_INT, 0, 0, &continuation_indent}, + {"cli", PRO_SPECIAL, 0, CLI, 0}, + {"c", PRO_INT, 33, 0, &ps.com_ind}, + {"di", PRO_INT, 16, 0, &ps.decl_indent}, + {"dj", PRO_BOOL, false, ON, &ps.ljust_decl}, + {"d", PRO_INT, 0, 0, &ps.unindent_displace}, + {"eei", PRO_BOOL, false, ON, &extra_expression_indent}, + {"ei", PRO_BOOL, true, ON, &ps.else_if}, + {"fbc", PRO_FONT, 0, 0, (int *) &blkcomf}, + {"fbs", PRO_BOOL, true, ON, &function_brace_split}, + {"fbx", PRO_FONT, 0, 0, (int *) &boxcomf}, + {"fb", PRO_FONT, 0, 0, (int *) &bodyf}, + {"fc1", PRO_BOOL, true, ON, &format_col1_comments}, + {"fcb", PRO_BOOL, true, ON, &format_block_comments}, + {"fc", PRO_FONT, 0, 0, (int *) &scomf}, + {"fk", PRO_FONT, 0, 0, (int *) &keywordf}, + {"fs", PRO_FONT, 0, 0, (int *) &stringf}, + {"ip", PRO_BOOL, true, ON, &ps.indent_parameters}, + {"i", PRO_INT, 8, 0, &ps.ind_size}, + {"lc", PRO_INT, 0, 0, &block_comment_max_col}, + {"ldi", PRO_INT, -1, 0, &ps.local_decl_indent}, + {"lp", PRO_BOOL, true, ON, &lineup_to_parens}, + {"l", PRO_INT, 78, 0, &max_col}, + {"nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation}, + {"nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop}, + {"nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations}, + {"nbap", PRO_BOOL, false, OFF, &blanklines_after_procs}, + {"nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments}, + {"nbc", PRO_BOOL, true, ON, &ps.leave_comma}, + {"nbs", PRO_BOOL, false, OFF, &Bill_Shannon}, + {"ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline}, + {"nce", PRO_BOOL, true, OFF, &cuddle_else}, + {"ndj", PRO_BOOL, false, OFF, &ps.ljust_decl}, + {"neei", PRO_BOOL, false, OFF, &extra_expression_indent}, + {"nei", PRO_BOOL, true, OFF, &ps.else_if}, + {"nfbs", PRO_BOOL, true, OFF, &function_brace_split}, + {"nfc1", PRO_BOOL, true, OFF, &format_col1_comments}, + {"nfcb", PRO_BOOL, true, OFF, &format_block_comments}, + {"nip", PRO_BOOL, true, OFF, &ps.indent_parameters}, + {"nlp", PRO_BOOL, true, OFF, &lineup_to_parens}, + {"npcs", PRO_BOOL, false, OFF, &proc_calls_space}, + {"npro", PRO_SPECIAL, 0, IGN, 0}, + {"npsl", PRO_BOOL, true, OFF, &procnames_start_line}, + {"nps", PRO_BOOL, false, OFF, &pointer_as_binop}, + {"nsc", PRO_BOOL, true, OFF, &star_comment_cont}, + {"nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines}, + {"nut", PRO_BOOL, true, OFF, &use_tabs}, + {"nv", PRO_BOOL, false, OFF, &verbose}, + {"pcs", PRO_BOOL, false, ON, &proc_calls_space}, + {"psl", PRO_BOOL, true, ON, &procnames_start_line}, + {"ps", PRO_BOOL, false, ON, &pointer_as_binop}, + {"sc", PRO_BOOL, true, ON, &star_comment_cont}, + {"sob", PRO_BOOL, false, ON, &swallow_optional_blanklines}, + {"st", PRO_SPECIAL, 0, STDIN, 0}, + {"ta", PRO_BOOL, false, ON, &auto_typedefs}, + {"troff", PRO_BOOL, false, ON, &troff}, + {"ut", PRO_BOOL, true, ON, &use_tabs}, + {"v", PRO_BOOL, false, ON, &verbose}, + /* whew! */ + {0, 0, 0, 0, 0} +}; + +/* + * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments + * given in these files. + */ +void +set_profile(void) +{ + FILE *f; + char fname[PATH_MAX]; + static char prof[] = ".indent.pro"; + + snprintf(fname, sizeof(fname), "%s/%s", getenv("HOME"), prof); + if ((f = fopen(option_source = fname, "r")) != NULL) { + scan_profile(f); + (void) fclose(f); + } + if ((f = fopen(option_source = prof, "r")) != NULL) { + scan_profile(f); + (void) fclose(f); + } + option_source = "Command line"; +} + +static void +scan_profile(FILE *f) +{ + int comment, i; + char *p; + char buf[BUFSIZ]; + + while (1) { + p = buf; + comment = 0; + while ((i = getc(f)) != EOF) { + if (i == '*' && !comment && p > buf && p[-1] == '/') { + comment = p - buf; + *p++ = i; + } else if (i == '/' && comment && p > buf && p[-1] == '*') { + p = buf + comment - 1; + comment = 0; + } else if (isspace(i)) { + if (p > buf && !comment) + break; + } else { + *p++ = i; + } + } + if (p != buf) { + *p++ = 0; + if (verbose) + printf("profile: %s\n", buf); + set_option(buf); + } + else if (i == EOF) + return; + } +} + +const char *param_start; + +static int +eqin(const char *s1, const char *s2) +{ + while (*s1) { + if (*s1++ != *s2++) + return (false); + } + param_start = s2; + return (true); +} + +/* + * Set the defaults. + */ +void +set_defaults(void) +{ + struct pro *p; + + /* + * Because ps.case_indent is a float, we can't initialize it from the + * table: + */ + ps.case_indent = 0.0; /* -cli0.0 */ + for (p = pro; p->p_name; p++) + if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT) + *p->p_obj = p->p_default; +} + +void +set_option(char *arg) +{ + struct pro *p; + + arg++; /* ignore leading "-" */ + for (p = pro; p->p_name; p++) + if (*p->p_name == *arg && eqin(p->p_name, arg)) + goto found; + errx(1, "%s: unknown parameter \"%s\"", option_source, arg - 1); +found: + switch (p->p_type) { + + case PRO_SPECIAL: + switch (p->p_special) { + + case IGN: + break; + + case CLI: + if (*param_start == 0) + goto need_param; + ps.case_indent = atof(param_start); + break; + + case STDIN: + if (input == 0) + input = stdin; + if (output == 0) + output = stdout; + break; + + case KEY: + if (*param_start == 0) + goto need_param; + { + char *str = strdup(param_start); + if (str == NULL) + err(1, NULL); + addkey(str, 4); + } + break; + + default: + errx(1, "set_option: internal error: p_special %d", p->p_special); + } + break; + + case PRO_BOOL: + if (p->p_special == OFF) + *p->p_obj = false; + else + *p->p_obj = true; + break; + + case PRO_INT: + if (!isdigit(*param_start)) { + need_param: + errx(1, "%s: ``%s'' requires a parameter", option_source, arg - 1); + } + *p->p_obj = atoi(param_start); + break; + + case PRO_FONT: + parsefont((struct fstate *) p->p_obj, param_start); + break; + + default: + errx(1, "set_option: internal error: p_type %d", p->p_type); + } +} |
