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/* Copyright (C) 2000, 2001, 2002, 2003, 2004 Shawn Betts <sabetts@vcn.bc.ca>
*
* This file is part of ratpoison.
*
* ratpoison 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.
*
* ratpoison 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*/
#include <ctype.h>
#include <errno.h>
#include <string.h>
#include "ratpoison.h"
#ifdef HAVE_HISTORY
#include "readline/history.h"
static char *
get_history_filename ()
{
char *homedir = getenv ("HOME");
char *filename;
if (homedir)
{
filename = xmalloc (strlen (homedir) + strlen ("/" HISTORY_FILE) + 1);
sprintf (filename, "%s/" HISTORY_FILE, homedir);
}
else
{
filename = xstrdup (HISTORY_FILE);
}
return filename;
}
void
history_load ()
{
char *filename = get_history_filename ();
if (filename && read_history (filename) != 0)
PRINT_DEBUG (("ratpoison: could not read %s - %s\n", filename, strerror (errno)));
free (filename);
}
void
history_save ()
{
char *filename = get_history_filename ();
if (filename && write_history (filename) != 0)
PRINT_ERROR (("ratpoison: could not write %s - %s\n", filename, strerror (errno)));
free (filename);
}
void
history_resize (int size)
{
stifle_history (size);
}
void
history_reset ()
{
using_history();
}
void
history_add (char *item)
{
HIST_ENTRY *h = history_get (history_length);
if (item == NULL || *item == '\0' || isspace (*item) || (h != NULL && !strcmp (h->line, item)))
return;
PRINT_DEBUG (("Adding item: %s\n", item));
add_history (item);
}
char *
history_previous ()
{
HIST_ENTRY *h = NULL;
h = previous_history();
return h ? h->line : NULL;
}
char *
history_next ()
{
HIST_ENTRY *h = NULL;
h = next_history();
return h ? h->line : NULL;
}
char *
history_list_items ()
{
HIST_ENTRY **hlist;
struct sbuf *list;
char *tmp;
int i;
list = sbuf_new (0);
hlist = history_list ();
if (!hlist) return NULL;
for (i = 0; hlist[i] != NULL; i++)
{
sbuf_concat (list, hlist[i]->line);
if (i < history_length - 1)
sbuf_concat (list, "\n");
}
tmp = sbuf_get (list);
free (list);
return tmp;
}
int history_expand_line (char *string, char **output)
{
return history_expand (string, output);
}
#endif /* HAVE_HISTORY */
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