Merge pull request #16 from meeh420/master

Adding lightweight option parser

Makefile

@@ -3,7 +3,7 @@ CC = g++
 CFLAGS = -g -Wall -std=c++0x
 OBJECTS = i2p.o base64.o NTCPSession.o RouterInfo.o Transports.o RouterContext.o \
 	NetDb.o LeaseSet.o Tunnel.o TunnelEndpoint.o TunnelGateway.o TransitTunnel.o \
-	I2NPProtocol.o Log.o Garlic.o HTTPServer.o Streaming.o Identity.o SSU.o
+	I2NPProtocol.o Log.o Garlic.o HTTPServer.o Streaming.o Identity.o SSU.o util.o
 INCFLAGS = 
 LDFLAGS = -Wl,-rpath,/usr/local/lib -lcryptopp -lboost_system -lboost_filesystem -lpthread
 LIBS = 

RouterContext.cpp

@@ -3,6 +3,7 @@
 #include <cryptopp/dsa.h>
 #include "CryptoConst.h"
 #include "RouterContext.h"
+#include "util.h"
 
 namespace i2p
 {

i2p.cpp

@@ -10,18 +10,21 @@
 #include "Tunnel.h"
 #include "NetDb.h"
 #include "HTTPServer.h"
+#include "util.h"
 
-int main( int, char** ) 
+int main( int argc, char* argv[] )
 {
-
+  i2p::util::ParseArguments(argc,argv);
 #ifdef _WIN32
   setlocale(LC_CTYPE, "");
   SetConsoleCP(1251);
   SetConsoleOutputCP(1251);
   setlocale(LC_ALL, "Russian");
 #endif
 
-  i2p::util::HTTPServer httpServer (7070);	
+  int httpport = i2p::util::GetIntArg("--httpport", 7070);
+
+  i2p::util::HTTPServer httpServer (httpport);
 
   httpServer.Start ();	
   i2p::data::netdb.Start ();

util.cpp

@@ -0,0 +1,45 @@
+#include "util.h"
+
+namespace i2p
+{
+namespace util
+{
+std::map<std::string, std::string> mapArgs;
+
+void ParseArguments(int argc, const char* const argv[])
+{
+	mapArgs.clear();
+    for (int i = 1; i < argc; i++)
+    {
+    	std::string strKey (argv[i]);
+    	std::string strValue;
+    	size_t has_data = strKey.find('=');
+    	if (has_data != std::string::npos)
+    	{
+    		strValue = strKey.substr(has_data+1);
+    		strKey = strKey.substr(0, has_data);
+    	}
+    	if (strKey[0] != '-')
+    		break;
+
+        mapArgs[strKey] = strValue;
+    }
+}
+
+int GetIntArg(const std::string& strArg, int nDefault)
+{
+    if (mapArgs.count(strArg))
+        return atoi(mapArgs[strArg].c_str());
+    return nDefault;
+}
+
+std::string GetStringArg(const std::string& strArg, std::string nDefault)
+{
+    if (mapArgs.count(strArg))
+        return mapArgs[strArg];
+    return nDefault;
+}
+
+
+} // Namespace end
+}

util.h

@@ -0,0 +1,19 @@
+#ifndef UTIL_H
+#define UTIL_H
+
+#include <map>
+#include <string>
+
+namespace i2p
+{
+namespace util
+{
+	extern std::map<std::string, std::string> mapArgs;
+	void ParseArguments(int argc, const char* const argv[]);
+	int GetIntArg(const std::string& strArg, int nDefault);
+
+}
+}
+
+
+#endif