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/*
* cook - file construction tool
* Copyright (C) 2001 Peter Miller;
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
*
* MANIFEST: functions to manipulate file_checks
*/
#include <ac/ctype.h>
#include <ac/stdio.h>
#include <file_check.h>
#include <error_intl.h>
int warning;
int limit = 80;
static int number_of_blank_lines;
static int number_of_errors;
static int line_number;
static FILE *fp;
static string_ty *fn;
static int check_one_line _((void));
static int
check_one_line()
{
int unprintable;
int white_space;
int pos;
sub_context_ty *scp;
int line_contains_white_space;
++line_number;
pos = 0;
unprintable = 0;
white_space = 0;
line_contains_white_space = 0;
for (;;)
{
int c = getc(fp);
if (c == EOF)
{
if (ferror(fp))
fatal_intl_read(fn->str_text);
if (pos)
{
scp = sub_context_new();
sub_var_set(scp, "File_Name", "%S", fn);
sub_var_set(scp, "Number", "%d", line_number);
error_intl
(
scp,
i18n("$filename: $number: last line has no newline")
);
++number_of_errors;
sub_context_delete(scp);
goto done;
}
return 0;
}
switch (c)
{
case '\f':
++pos;
break;
case '\n':
done:
if (unprintable)
{
scp = sub_context_new();
sub_var_set(scp, "File_Name", "%S", fn);
sub_var_set(scp, "Number", "%d", line_number);
sub_var_set(scp, "Excess", "%d", unprintable);
error_intl
(
scp,
i18n("$filename: $number: line contains $excess unprintable")
);
++number_of_errors;
sub_context_delete(scp);
}
if (white_space)
{
scp = sub_context_new();
sub_var_set(scp, "File_Name", "%S", fn);
sub_var_set(scp, "Number", "%d", line_number);
error_intl
(
scp,
i18n("$filename: $number: white space at end of line")
);
++number_of_errors;
sub_context_delete(scp);
}
if (pos > limit && line_contains_white_space)
{
scp = sub_context_new();
sub_var_set(scp, "File_Name", "%S", fn);
sub_var_set(scp, "Number", "%d", line_number);
sub_var_set(scp, "Excess", "%d", pos - limit);
error_intl
(
scp,
i18n("$filename: $number: line too long (by $excess)")
);
++number_of_errors;
sub_context_delete(scp);
}
if (pos)
number_of_blank_lines = 0;
else
++number_of_blank_lines;
return 1;
case '\t':
pos = (pos + 8) & ~7;
++white_space;
++line_contains_white_space;
break;
case ' ':
++pos;
++white_space;
break;
default:
if (!isprint(c))
++unprintable;
++pos;
white_space = 0;
break;
}
}
}
void
file_check(file_name)
string_ty *file_name;
{
sub_context_ty *scp;
fn = file_name;
fp = fopen_and_check(fn->str_text, "r");
number_of_errors = 0;
number_of_blank_lines = 0;
line_number = 0;
while (check_one_line())
;
if (number_of_blank_lines)
{
scp = sub_context_new();
sub_var_set(scp, "File_Name", "%S", fn);
sub_var_set(scp, "Excess", "%d", number_of_blank_lines);
error_intl
(
scp,
i18n("$filename: found $excess blank lines at eof")
);
++number_of_errors;
sub_context_delete(scp);
}
if (number_of_errors && !warning)
{
scp = sub_context_new();
sub_var_set(scp, "File_Name", "%S", fn);
sub_var_set(scp, "Number", "%d", number_of_errors);
fatal_intl(scp, i18n("$filename: found $number fatal errors"));
}
fclose_and_check(fp, fn->str_text);
fn = 0;
fp = 0;
}
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