mh_global.c
3.61 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 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 2, 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Global MH state. */
#include <mh.h>
char *current_folder = NULL;
size_t current_message = 0;
mh_context_t *context;
mh_context_t *profile;
mh_context_t *sequences;
/* Global profile */
char *
mh_global_profile_get (char *name, char *defval)
{
return mh_context_get_value (profile, name, defval);
}
int
mh_global_profile_set (const char *name, const char *value)
{
return mh_context_set_value (profile, name, value);
}
void
mh_read_profile ()
{
char *p;
p = getenv ("MH");
if (p)
p = mu_tilde_expansion (p, "/", NULL);
else
{
char *home = mu_get_homedir ();
if (!home)
abort (); /* shouldn't happen */
asprintf (&p, "%s/%s", home, MH_USER_PROFILE);
free (home);
}
profile = mh_context_create (p, 1);
mh_context_read (profile);
}
/* Global context */
void
_mh_init_global_context ()
{
char *p, *ctx_name;
if (context)
return;
mu_path_folder_dir = mh_get_dir ();
p = getenv ("CONTEXT");
if (!p)
p = "context";
ctx_name = mh_expand_name (NULL, p, 0);
context = mh_context_create (ctx_name, 1);
mh_context_read (context);
if (!current_folder)
current_folder = mh_context_get_value (context, "Current-Folder",
mh_global_profile_get ("Inbox",
"inbox"));
}
char *
mh_global_context_get (const char *name, const char *defval)
{
_mh_init_global_context ();
return mh_context_get_value (context, name, defval);
}
int
mh_global_context_set (const char *name, const char *value)
{
_mh_init_global_context ();
return mh_context_set_value (context, name, value);
}
char *
mh_current_folder ()
{
return mh_global_context_get ("Current-Folder",
mh_global_profile_get ("Inbox", "inbox"));
}
/* Global sequences */
void
_mh_init_global_sequences ()
{
char *name, *p, *seq_name;
if (sequences)
return;
_mh_init_global_context ();
name = mh_global_profile_get ("mh-sequences", MH_SEQUENCES_FILE);
p = mh_expand_name (NULL, current_folder, 0);
asprintf (&seq_name, "%s/%s", p, name);
free (p);
sequences = mh_context_create (seq_name, 1);
if (mh_context_read (sequences) == 0)
{
p = mh_context_get_value (sequences, "cur", "0");
current_message = strtoul (p, NULL, 10);
}
}
char *
mh_global_sequences_get (const char *name, const char *defval)
{
_mh_init_global_sequences ();
return mh_context_get_value (sequences, name, defval);
}
int
mh_global_sequences_set (const char *name, const char *value)
{
_mh_init_global_sequences ();
return mh_context_set_value (sequences, name, value);
}
/* Global state */
void
mh_global_save_state ()
{
char buf[64];
snprintf (buf, sizeof buf, "%lu", (unsigned long) current_message);
mh_context_set_value (sequences, "cur", buf);
mh_context_write (sequences);
mh_context_set_value (context, "Current-Folder", current_folder);
mh_context_write (context);
}