From ea8a13dfa2a25f52cc245a8992fbff5d1e41106d Mon Sep 17 00:00:00 2001
From: Luke Shumaker <LukeShu@sbcglobal.net>
Date: Sat, 5 Sep 2009 13:00:55 -0400
Subject: work on tieing it all together

---
 wrapper/plugin.c | 128 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 wrapper/plugin.c

(limited to 'wrapper/plugin.c')

diff --git a/wrapper/plugin.c b/wrapper/plugin.c
new file mode 100644
index 0000000..c5d8f38
--- /dev/null
+++ b/wrapper/plugin.c
@@ -0,0 +1,128 @@
+/* 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 (char *plug_name, 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 (char *libexecdir, 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);
+	
+	_plugin_depend(tree);
+	
+	xchdir("..");
+	return tree;
+}
+
+#endif
+
-- 
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