Url support #462

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

src/Transport.cpp

@@ -32,6 +32,7 @@
 #include "Transport.h"
 #include "TransportSSH.h"
 #include "TransportRSYNC.h"
+#include "TransportCurl.h"
 
 ////////////////////////////////////////////////////////////////////////////////
 Transport::Transport (const std::string& host, const std::string& path, const std::string& user="", const std::string& port="")
@@ -111,67 +112,75 @@ void Transport::parseUri(std::string uri)
 ////////////////////////////////////////////////////////////////////////////////
 Transport* Transport::getTransport(const std::string& uri)
 {
-	if (uri.find("ssh://") == 0) {
-		return new TransportSSH(uri);
-	}
-	else if (uri.find("rsync://") == 0) {
-		return new TransportRSYNC(uri);
-	}
-	else if ( (uri.find(":")   != std::string::npos) 
-			   && (uri.find("://") == std::string::npos) )
-	{
-		return new TransportSSH(uri);
-	}
+  if (uri.find("ssh://") == 0)
+  {
+    return new TransportSSH(uri);
+  }
+  else if (uri.find("rsync://") == 0)
+  {
+    return new TransportRSYNC(uri);
+  }
+  else if ( (uri.find("http://")  == 0)
+         || (uri.find("https://") == 0)
+         || (uri.find("ftp://")   == 0) )
+  {
+    return new TransportCurl(uri);		
+  }
+  else if ( (uri.find(":")   != std::string::npos) 
+         && (uri.find("://") == std::string::npos) )
+  {
+    return new TransportSSH(uri);
+  }
 
-	return NULL;
+  return NULL;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 int Transport::execute()
 {
-	if (executable == "")
-		return -1;
+  if (executable == "")
+    return -1;
 
-	pid_t child_pid = fork();
+  pid_t child_pid = fork();
 
-	if (child_pid == 0)
-	{
-		// this is done by the child process
-		char shell[] = "sh";
-		char opt[]   = "-c";
+  if (child_pid == 0)
+  {
+    // this is done by the child process
+    char shell[] = "sh";
+    char opt[]   = "-c";
 
-		std::string cmdline = executable;
+    std::string cmdline = executable;
 
-		std::vector <std::string>::iterator it;
-		for (it = arguments.begin(); it != arguments.end(); ++it)
-		{
-			std::string tmp = *it;
-			cmdline += " " + tmp;
-		}
+    std::vector <std::string>::iterator it;
+    for (it = arguments.begin(); it != arguments.end(); ++it)
+    {
+      std::string tmp = *it;
+      cmdline += " " + tmp;
+    }
 
-		char** argv = new char*[4];
-		argv[0] = shell;                  // sh
-		argv[1] = opt;                    // -c
-		argv[2] = (char*)cmdline.c_str();	// e.g. scp undo.data user@host:.task/
-		argv[3] = NULL;                   // required by execv
+    char** argv = new char*[4];
+    argv[0] = shell;                  // sh
+    argv[1] = opt;                    // -c
+    argv[2] = (char*)cmdline.c_str();	// e.g. scp undo.data user@host:.task/
+    argv[3] = NULL;                   // required by execv
 
-		int ret = execvp("sh", argv);
-		delete[] argv;
+    int ret = execvp("sh", argv);
+    delete[] argv;
 
-		exit(ret);
-	}
-	else
-	{
-		// this is done by the parent process
-		int child_status;
+    exit(ret);
+  }
+  else
+  {
+    // this is done by the parent process
+    int child_status;
 
-		pid_t pid = waitpid(child_pid, &child_status, 0);
+    pid_t pid = waitpid(child_pid, &child_status, 0);
 
-		if (pid == -1)
-			return -1;
-		else
-			return child_status;
-	}
+    if (pid == -1)
+      return -1;
+    else
+      return child_status;
+  }
 }
 
 ////////////////////////////////////////////////////////////////////////////////