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/* Copyright (C) 2009 Luke Shumaker
This file is part of rvs.
rvs 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.
rvs 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 rvs; see the file COPYING.
If not, write to the Free Software Foundation,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef FILE_plugin_c_SEEN
#define FILE_plugin_c_SEEN
#include <stdio.h>
#include <stdlib.h> /* EXIT_FAILURE */
#include <unistd.h> /* file acces */
#include <string.h>
#include <errno.h>
#include <error.h>
#include <dirent.h>
#include <sys/stat.h>
#include "rvs.h"
#include "plugin.h"
/* finds a plugin with `name'. Start looking at `plugin' (linked list) */
struct plugin *
_plugin_find_plugin(struct plugin *plugin, char *name)
{
if (strcmp(plugin->name,name) == 0) {
return plugin;
} else {
if (plugin->next==NULL) {
error(EXIT_FAILURE,0,"cannot find plugin `%s'",name);
return NULL;
} else {
return _plugin_find_plugin(plugin->next,name);
}
}
}
/* finds a command with `name'. Start looking at `command' (linked list) */
struct plugin_command *
_plugin_find_command(struct plugin_command *command, char *name)
{
if (strcmp(command->name,name) == 0) {
return command;
} else {
if (command->p_next==NULL) {
error(EXIT_FAILURE,0,
"plugin `%s' does not contain command `%s'",
command->plugin->name,name);
return NULL;
} else {
return _plugin_find_command(command->p_next,name);
}
}
}
#include "plugin-parse.c"
#include "plugin-depend.c"
struct plugin *
_plugin_load (const char *plug_name, const char *plugin_conf)
{
struct plugin *plugin=(struct plugin *)xmalloc(sizeof(*plugin));
char *plug_name2 = (char *)xmalloc(strlen(plug_name)+1);
strcpy(plug_name2,plug_name);
plugin->name=plug_name2;
plugin->next=NULL;
xchdir(plug_name);
FILE *file = xfopen(plugin_conf,"r");
plugin->child=_plugin_parse(plugin, file);
fclose( file );
xchdir("..");
return plugin;
}
struct plugin_tree *
load_plugins (const char *libexecdir, const char *plugin_conf)
{
struct plugin_tree *tree=(struct plugin_tree *)xmalloc(sizeof(*tree));
struct plugin **last=&tree->plugins;
*last=NULL;
struct plugin *plugin;
xchdir(libexecdir);
DIR *cwd;
struct dirent *dirent;
int serr;
struct stat sbuf;
cwd = xopendir ("./");
while ( (dirent = readdir (cwd)) != NULL ) {
if ((strcmp(dirent->d_name,"." )!=0)&&
(strcmp(dirent->d_name,"..")!=0)) {
serr = stat(dirent->d_name, &sbuf);
if (!serr && S_ISDIR(sbuf.st_mode)) {
plugin=_plugin_load(dirent->d_name,plugin_conf);
*last=plugin;/* this sets the last's `next' */
last=&plugin->next;
}
}
}
closedir (cwd);
xchdir("..");
return tree;
}
#endif
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