Url support #462

- Added TransportCurl for http, https and ftp
- Added url support for import command

src/TransportCurl.cpp

@@ -0,0 +1,114 @@
+////////////////////////////////////////////////////////////////////////////////
+// taskwarrior - a command line task list manager.
+//
+// Copyright 2010, Johannes Schlatow.
+// All rights reserved.
+//
+// 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; either version 2 of the License, or (at your option) any later
+// version.
+//
+// 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, write to the
+//
+//     Free Software Foundation, Inc.,
+//     51 Franklin Street, Fifth Floor,
+//     Boston, MA
+//     02110-1301
+//     USA
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include "TransportCurl.h"
+
+////////////////////////////////////////////////////////////////////////////////
+TransportCurl::TransportCurl(const std::string& uri) : Transport(uri)
+{
+	executable = "curl";
+	
+	if (protocol == "")
+		protocol = "http";
+}
+
+////////////////////////////////////////////////////////////////////////////////
+TransportCurl::TransportCurl(
+	const std::string& host,
+	const std::string& path,
+	const std::string& user,
+	const std::string& port) : Transport (host,path,user,port)
+{
+	executable = "curl";
+	
+	if (protocol == "")
+		protocol = "http";
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void TransportCurl::send(const std::string& source)
+{
+	if (host == "") {
+		throw std::string ("Hostname is empty");
+	}
+
+	// Wildcards arent supported
+	if ( (source.find ("*") != std::string::npos)
+		|| (source.find ("?") != std::string::npos) )
+	{
+		throw std::string ("Failed to use curl with wildcards!");
+	}
+
+	// cmd line is: curl -T source protocol://host:port/path
+	arguments.push_back ("-T");
+	arguments.push_back (source);
+
+	if (port != "")
+	{
+		arguments.push_back (protocol + "://" + host + ":" + port + "/" + path);
+	}
+	else
+	{
+		arguments.push_back (protocol + "://" + host + "/" + path);
+	}
+
+	if (execute())
+		throw std::string ("Failed to run curl!");
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void TransportCurl::recv(std::string target)
+{
+	if (host == "") {
+		throw std::string ("Hostname is empty");
+	}
+
+	// Wildcards arent supported
+	if ( (path.find ("*") != std::string::npos)
+		|| (path.find ("?") != std::string::npos) )
+	{
+		throw std::string ("Failed to use curl with wildcards!");
+	}
+	
+	// cmd line is: curl protocol://host:port/path/to/source/file -o path/to/target/file
+	if (port != "")
+	{
+		arguments.push_back (protocol + "://" + host + ":" + port + "/" + path);
+	}
+	else
+	{
+		arguments.push_back (protocol + "://" + host + "/" + path);
+	}
+	
+	arguments.push_back ("-o");
+	arguments.push_back (target);
+
+	if (execute())
+		throw std::string ("Failed to run curl!");
+}
+
+////////////////////////////////////////////////////////////////////////////////