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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2020 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library. If not, see
<http://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdlib.h>
#include <unistd.h>
#include <mailutils/sys/mailcap.h>
#include <mailutils/iterator.h>
static int
finder_init (mu_mailcap_finder_t finder,
int flags,
struct mu_mailcap_selector_closure *sc,
struct mu_mailcap_error_closure *ec,
char **file_names);
int
mu_mailcap_finder_create (mu_mailcap_finder_t *pfinder, int flags,
struct mu_mailcap_selector_closure *sc,
struct mu_mailcap_error_closure *ec,
char **file_names)
{
int rc;
mu_mailcap_finder_t finder;
if (!pfinder)
return MU_ERR_OUT_PTR_NULL;
if (!file_names)
return EINVAL;
finder = calloc (1, sizeof *finder);
if (!finder)
return ENOMEM;
rc = finder_init (finder, flags, sc, ec, file_names);
if (rc)
mu_mailcap_finder_destroy (&finder);
else
*pfinder = finder;
return rc;
}
static int
finder_init (mu_mailcap_finder_t finder,
int flags,
struct mu_mailcap_selector_closure *sc,
struct mu_mailcap_error_closure *ec,
char **file_names)
{
int rc;
size_t i;
rc = mu_mailcap_create (&finder->mcp);
if (rc)
return rc;
mu_mailcap_set_flags (finder->mcp, flags);
if (sc)
{
rc = mu_mailcap_set_selector (finder->mcp, sc);
if (rc)
return rc;
}
if (ec)
{
rc = mu_mailcap_set_error (finder->mcp, ec);
if (rc)
return rc;
}
for (i = 0; file_names[i]; i++)
{
if (access (file_names[i], F_OK))
continue;
mu_mailcap_parse_file (finder->mcp, file_names[i]);
}
return 0;
}
void
mu_mailcap_finder_destroy (mu_mailcap_finder_t *pfinder)
{
if (pfinder && *pfinder)
{
mu_mailcap_finder_t finder = *pfinder;
mu_iterator_destroy (&finder->itr);
mu_mailcap_destroy (&finder->mcp);
free (finder);
*pfinder = NULL;
}
}
int
mu_mailcap_finder_next_match (mu_mailcap_finder_t finder,
mu_mailcap_entry_t *ret_entry)
{
int rc;
if (!finder)
return EINVAL;
if (!ret_entry)
return MU_ERR_OUT_PTR_NULL;
if (!finder->itr)
{
rc = mu_mailcap_get_iterator (finder->mcp, &finder->itr);
if (rc == 0)
rc = mu_iterator_first (finder->itr);
}
else
rc = mu_iterator_next (finder->itr);
if (rc)
return rc;
if (mu_iterator_is_done (finder->itr))
return MU_ERR_NOENT;
return mu_iterator_current (finder->itr, (void**) ret_entry);
}
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