query.c
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010-2012, 2014-2015 Free Software Foundation, Inc.
GNU Mailutils 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.
GNU Mailutils 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 GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#if defined(HAVE_CONFIG_H)
# include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <mailutils/mailutils.h>
#include <mailutils/libcfg.h>
#include "argp.h"
#include "mu.h"
static char query_doc[] = N_("mu query - query configuration values.");
char query_docstring[] = N_("query configuration values");
static char query_args_doc[] = N_("path [path...]");
static char *file_name;
static struct mu_cfg_parse_hints hints;
enum {
VALUE_OPTION = 256,
PATH_OPTION
};
static struct argp_option query_options[] = {
{ "file", 'f', N_("FILE"), 0,
N_("query configuration values from FILE (default mailutils.rc)"),
0 },
{ "value", VALUE_OPTION, NULL, 0,
N_("display parameter values only"),
0 },
{ "program", 'p', N_("NAME"), 0,
N_("set program name for configuration lookup"),
0 },
{ "path", PATH_OPTION, NULL, 0,
N_("display parameters as paths") },
{ "verbose", 'v', NULL, 0,
N_("increase output verbosity"), 0},
{ NULL }
};
static error_t
query_parse_opt (int key, char *arg, struct argp_state *state)
{
switch (key)
{
case 'f':
file_name = arg;
break;
case 'p':
hints.flags |= MU_CFG_PARSE_PROGRAM;
hints.program = arg;
break;
case 'v':
hints.flags |= MU_CFG_FMT_LOCUS;
break;
case VALUE_OPTION:
hints.flags |= MU_CFG_FMT_VALUE_ONLY;
break;
case PATH_OPTION:
hints.flags |= MU_CFG_FMT_PARAM_PATH;
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
static struct argp query_argp = {
query_options,
query_parse_opt,
query_args_doc,
query_doc,
NULL,
NULL,
NULL
};
int
mutool_query (int argc, char **argv)
{
int index;
mu_cfg_tree_t *tree = NULL;
if (argp_parse (&query_argp, argc, argv, ARGP_IN_ORDER, &index, NULL))
return 1;
argc -= index;
argv += index;
if (argc == 0)
{
mu_error (_("query what?"));
return 1;
}
hints.flags |= MU_CFG_PARSE_SITE_RCFILE | MU_PARSE_CONFIG_GLOBAL;
hints.site_rcfile = file_name ? file_name : mu_site_rcfile;
if (mu_cfg_parse_config (&tree, &hints))
return 1;
if (!tree)
return 0;
for ( ; argc > 0; argc--, argv++)
{
char *path = *argv;
mu_cfg_node_t *node;
if (mu_cfg_find_node (tree, path, &node) == 0)
mu_cfg_format_node (mu_strout, node, hints.flags);
}
return 0;
}
/*
MU Setup: query
mu-handler: mutool_query
mu-docstring: query_docstring
End MU Setup:
*/