4.4BSD/usr/src/usr.bin/indent/args.c
/*
* 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.
*/
#ifndef lint
static char sccsid[] = "@(#)args.c 8.1 (Berkeley) 6/6/93";
#endif /* not lint */
/*
* Argument scanning and profile reading code. Default parameters are set
* here as well.
*/
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "indent_globs.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) */
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 {
char *p_name; /* name, eg -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,
"fbx", PRO_FONT, 0, 0, (int *) &boxcomf,
"fb", PRO_FONT, 0, 0, (int *) &bodyf,
"fc1", PRO_BOOL, true, ON, &format_col1_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,
"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,
"nfc1", PRO_BOOL, true, OFF, &format_col1_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,
"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,
"troff", PRO_BOOL, false, ON, &troff,
"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.
*/
set_profile()
{
register FILE *f;
char fname[BUFSIZ];
static char prof[] = ".indent.pro";
sprintf(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";
}
scan_profile(f)
register FILE *f;
{
register int i;
register char *p;
char buf[BUFSIZ];
while (1) {
for (p = buf; (i = getc(f)) != EOF && (*p = i) > ' '; ++p);
if (p != buf) {
*p++ = 0;
if (verbose)
printf("profile: %s\n", buf);
set_option(buf);
}
else if (i == EOF)
return;
}
}
char *param_start;
eqin(s1, s2)
register char *s1;
register char *s2;
{
while (*s1) {
if (*s1++ != *s2++)
return (false);
}
param_start = s2;
return (true);
}
/*
* Set the defaults.
*/
set_defaults()
{
register 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;
}
set_option(arg)
register char *arg;
{
register struct pro *p;
extern double atof();
arg++; /* ignore leading "-" */
for (p = pro; p->p_name; p++)
if (*p->p_name == *arg && eqin(p->p_name, arg))
goto found;
fprintf(stderr, "indent: %s: unknown parameter \"%s\"\n", option_source, arg - 1);
exit(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;
{
register char *str = (char *) malloc(strlen(param_start) + 1);
strcpy(str, param_start);
addkey(str, 4);
}
break;
default:
fprintf(stderr, "\
indent: set_option: internal error: p_special %d\n", p->p_special);
exit(1);
}
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:
fprintf(stderr, "indent: %s: ``%s'' requires a parameter\n",
option_source, arg - 1);
exit(1);
}
*p->p_obj = atoi(param_start);
break;
case PRO_FONT:
parsefont((struct fstate *) p->p_obj, param_start);
break;
default:
fprintf(stderr, "indent: set_option: internal error: p_type %d\n",
p->p_type);
exit(1);
}
}