PROXY: merge proxy methods into buildsystem

From the original patch by Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de> 26 Feb 2008
This patch adds the code and rules to build the various proxy methods.

src/core/Makefile.am

@@ -33,6 +33,12 @@ libcore_a_SOURCES = \
 	network-openssl.c \
 	network-proxy.c \
 	network-proxy.h \
+	network-proxy-simple.c \
+	network-proxy-simple.h \
+	network-proxy-http.c \
+	network-proxy-http.h \
+	network-proxy-socks5.c \
+	network-proxy-socks5.h \
 	network-proxy-priv.h \
 	nicklist.c \
 	nickmatch-cache.c \

src/core/network-proxy.c

@@ -0,0 +1,43 @@
+/*
+ network-proxy.c : irssi
+
+    Copyright (C) 2008 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+
+    This program 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; version 2 and/or 3 of the License.
+
+    This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "module.h"
+
+#include "network-proxy.h"
+#include <string.h>
+#include "network-proxy-simple.h"
+#include "network-proxy-http.h"
+#include "network-proxy-socks5.h"
+
+struct network_proxy *network_proxy_create(const char *type)
+{
+	if (type==NULL)
+		return NULL;
+
+	if (strcmp(type, "simple")==0 || type[0]=='\0')
+		return network_proxy_simple_create();
+
+	if (strcmp(type, "http")==0)
+		return network_proxy_http_create();
+
+	if (strcmp(type, "socks5")==0)
+		return network_proxy_socks5_create();
+
+	g_error("unsupported proxy type '%s'", type);
+	return NULL;
+}