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Cream of the Crop 1
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Cream of the Crop 1.iso
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PROGRAM
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INDENT3.ARJ
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ARGS.C
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C/C++ Source or Header
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1992-08-04
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9KB
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302 lines
/* Copyright (c) 1980 Regents of the University of California. All rights
* reserved. The Berkeley software License Agreement specifies the terms and
* conditions for redistribution. */
#ifndef lint
static char sccsid[] = "@(#)args.c 5.2 (Berkeley) 9/10/85";
#endif not lint
/* Argument scanning and profile reading code. Default parameters are set
* here as well. */
#include "indent_globs.h"
#include <sys/types.h>
#include <ctype.h>
/* profile types */
typedef enum profile {
PRO_SPECIAL = 1,
PRO_BOOL,
PRO_INT,
PRO_SETTINGS,
} profile;
/* profile specials for specials and booleans */
typedef enum special {
OFF = 0,
ON,
IGN,
CLI,
STDIN,
KEY,
} special;
/* 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 */
profile p_type; /* type (int, bool, special) */
int p_default; /* the default value (if int) */
special p_special; /* depends on type */
int *p_obj; /* the associated variable */
char *p_data; /* data for the option */
};
struct pro pro[] = {
"npro", PRO_SPECIAL, 0, IGN, 0, NULL,
"lc", PRO_INT, 0, 0, &block_comment_max_col, NULL,
"lp", PRO_BOOL, true, ON, &lineup_to_parens, NULL,
"nlp", PRO_BOOL, true, OFF, &lineup_to_parens, NULL,
"l", PRO_INT, 78, 0, &max_col, NULL,
"psl", PRO_BOOL, true, ON, &procnames_start_line, NULL,
"npsl", PRO_BOOL, true, OFF, &procnames_start_line, NULL,
"fc1", PRO_BOOL, true, ON, &format_col1_comments, NULL,
"nfc1", PRO_BOOL, true, OFF, &format_col1_comments, NULL,
"fca", PRO_BOOL, true, ON, &format_comments, NULL,
"nfca", PRO_BOOL, true, OFF, &format_comments, NULL,
"pcs", PRO_BOOL, false, ON, &proc_calls_space, NULL,
"npcs", PRO_BOOL, false, OFF, &proc_calls_space, NULL,
"ip", PRO_BOOL, true, ON, &ps.indent_parameters, NULL,
"nip", PRO_BOOL, true, OFF, &ps.indent_parameters, NULL,
/* see set_defaults for initialization of -cli */
"cli", PRO_SPECIAL, 0, CLI, 0, NULL,
"ci", PRO_INT, 0, 0, &continuation_indent, NULL,
"cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline, NULL,
"ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline, NULL,
"i", PRO_INT, 8, 0, &ps.ind_size, NULL,
"cd", PRO_INT, 0, 0, &ps.decl_com_ind, NULL,
"ce", PRO_BOOL, true, ON, &cuddle_else, NULL,
"nce", PRO_BOOL, true, OFF, &cuddle_else, NULL,
"c", PRO_INT, 33, 0, &ps.com_ind, NULL,
"v", PRO_BOOL, false, ON, &verbose, NULL,
"nv", PRO_BOOL, false, OFF, &verbose, NULL,
"dj", PRO_BOOL, false, ON, &ps.ljust_decl, NULL,
"ndj", PRO_BOOL, false, OFF, &ps.ljust_decl, NULL,
/* don't ask *me* why -bc/-nbc is backwards.... */
"bc", PRO_BOOL, true, OFF, &ps.leave_comma, NULL,
"nbc", PRO_BOOL, true, ON, &ps.leave_comma, NULL,
"di", PRO_INT, 16, 0, &ps.decl_indent, NULL,
"d", PRO_INT, 0, 0, &ps.unindent_displace, NULL,
"br", PRO_BOOL, true, ON, &btype_2, NULL,
"bl", PRO_BOOL, true, OFF, &btype_2, NULL,
"st", PRO_SPECIAL, 0, STDIN, 0, NULL,
"ei", PRO_BOOL, true, ON, &ps.else_if, NULL,
"nei", PRO_BOOL, true, OFF, &ps.else_if, NULL,
"sc", PRO_BOOL, true, ON, &star_comment_cont, NULL,
"nsc", PRO_BOOL, true, OFF, &star_comment_cont, NULL,
"bap", PRO_BOOL, false, ON, &blanklines_after_procs, NULL,
"nbap", PRO_BOOL, false, OFF, &blanklines_after_procs, NULL,
"sob", PRO_BOOL, false, ON, &swallow_optional_blanklines, NULL,
"nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines, NULL,
"bad", PRO_BOOL, false, ON, &blanklines_after_declarations, NULL,
"nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations, NULL,
"bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments, NULL,
"nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments, NULL,
"ps", PRO_BOOL, false, ON, &pointer_as_binop, NULL,
"nps", PRO_BOOL, false, OFF, &pointer_as_binop, NULL,
"troff", PRO_BOOL, false, ON, &troff, NULL,
"T", PRO_SPECIAL, 0, KEY, 0, NULL,
/* whew! */
/* below two are borrowed from another version of indent, that is gnuindent,
* but that wouldn't work on my machine and is bad if you don't have enough
* memory (for those huge files */
"kr", PRO_SETTINGS, 0, OFF, &kr_format, "-nbad\0-bap\0" \
"-nbbb\0-nbc\0-br\0-c33\0-cd33\0-ncdb\0-ce\0-ci4\0-cli0\0-d0\0-di1\0-nfc1\0" \
"-i4\0-ip0\0-l75\0-lp\0-npcs\0-npsl\0-cs\0-nsc\0-nsc\0-nsob\0-nfca\0\0",
"gnu", PRO_SETTINGS, 0, OFF, &gnu_format, "-nbad\0-bap\0" \
"-nbbb\0-nbc\0-bl\0-ncdb\0-cs\0-nce\0-di1\0-ndj\0-ei\0-nfc1\0-i2\0-ip5\0-lp\0" \
"-pcs\0-nps\0-psl\0-nsc\0-nsob\0-cp1\0-nfca\0\0",
/* below I made myself */
"t", PRO_INT, 8, OFF, &tabsize, NULL,
0, 0, 0, 0, 0, 0,
};
/* set_profile reads $PATH/indent.pro and handles arguments given in this
* file. */
set_profile()
{
register FILE *f;
char fname[BUFSIZ];
char path[512]; /* hope this is a long enough path! */
char *p;
static char pro[] = "indent.pro";
strcpy(path, getenv("PATH"));
while (strlen(path) != 0) {
/* get head element */
if ((p = strchr(path, ';')) != NULL) {
*p = NIL; /* delimit first string */
p++; /* save positon of rest of string */
}
/* make path to look in */
sprintf(fname, "%s\\%s", path, pro);
sprintf(fname, "%s", path);
/* check for trailing '\' by looking at the last element of the
* string */
if ((strncmp(&fname[strlen(fname) - 1], "\\", 1)) != 0)
/* there is no trailing delimiter , add it */
strcat(fname, "\\");
/* add "profile.pro" */
strcat(fname, pro);
/* move path to next element */
strcpy(path, p);
/* look in directory */
if ((f = fopen(fname, "r")) != NULL) {
scan_profile(f);
(void) fclose(f);
return (0);
}
}
fprintf(stderr, "indent: indent.pro not found on path; using defaults\n");
}
void
scan_profile(f)
register FILE *f;
{
register char *p, *arg;
char buf[BUFSIZ];
while (fgets(buf, sizeof buf, f)) {
if ((p = strchr(buf, '\n')) != NULL)
*p = 0;
if (verbose)
printf("profile: %s\n", buf);
p = buf;
for (;;) {
while (isspace(*p))
p++;
if (*p == 0)
break;
arg = p;
while (*p) {
if (isspace(*p)) {
*p++ = 0;
break;
}
p++;
}
set_option(arg);
}
}
}
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. */
void
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_obj = p->p_default;
}
void
set_option(arg)
register char *arg;
{
register 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;
fprintf(stderr, "indent: unknown parameter \"%s\"\n", 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;
addkey(param_start, rw_decl);
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 (*param_start == 0) {
need_param:
fprintf(stderr, "indent: ``%s'' requires a parameter\n",
arg - 1);
exit(1);
}
*p->p_obj = atoi(param_start);
break;
case PRO_SETTINGS:
{
char *t; /* current position */
set_defaults();
t = p->p_data;
do {
set_option(t);
/* advance to character following next NUL */
while (*t++);
}
while (*t);
}
break;
default:
fprintf(stderr, "indent: set_option: internal error: p_type %d\n",
p->p_type);
exit(1);
}
}