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/* filalign.c - file alignment managing
Copyright 1988-2017 Free Software Foundation, Inc.
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 3, 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., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
#include <config.h>
#include "a2ps.h"
#include "filalign.h"
#include "argmatch.h"
#include "getnum.h"
/*
* Return a file_align mode
*/
static const char *const file_align_args[] =
{
"sheet",
"page", "no",
"rank",
"virtual", "fill", "yes",
0
};
static file_align_t const file_align_types[] =
{
file_align_sheet,
file_align_page, file_align_page,
file_align_rank,
file_align_virtual, file_align_virtual, file_align_virtual
};
/* Return the file_align mode corresponding to ARG.
FIXME: The error message is not clear enough. */
file_align_t
file_align_argmatch (const char * option, const char * arg)
{
ptrdiff_t i;
ARGMATCH_VERIFY (file_align_args, file_align_types);
i = ARGMATCH (arg, file_align_args, file_align_types);
if (i >= 0)
return file_align_types[i];
return get_integer_in_range (option, arg, 1, 0, range_min);
}
/* Return a human readable string describing the FILE_ALIGN mode. */
const char *
file_align_to_string (file_align_t file_align)
{
static char buf[25];
if (file_align < 0)
return ARGMATCH_TO_ARGUMENT ((char *)&file_align,
file_align_args, file_align_types);
sprintf (buf, "%d", file_align);
return buf;
}
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