CmdContext: Add initial implementation of the delete subcommand

src/commands/CmdContext.cpp

@@ -55,8 +55,11 @@ int CmdContext::execute (std::string& output)
   if (words.size () > 0)
   {
     std::string subcommand = words[0];
+
     if (subcommand == "define")
       rc = defineContext(words, out);
+    else if (subcommand == "delete")
+      rc = deleteContext(words, out);
   }
 
   output = out.str ();
@@ -111,6 +114,33 @@ int CmdContext::defineContext (std::vector <std::string>& words, std::stringstre
   return 0;
 }
 
+////////////////////////////////////////////////////////////////////////////////
+int CmdContext::deleteContext (std::vector <std::string>& words, std::stringstream& out)
+{
+  // task context delete home
+  if (words.size () > 1)
+  {
+    std::string name = "context." + words[1];
+
+    bool confirmation = context.config.getBoolean ("confirmation");
+    int status = CmdConfig::unsetConfigVariable(name, confirmation);
+
+    std::string currentContext = context.config.get ("context");
+
+    if (currentContext == words[1])
+      CmdConfig::unsetConfigVariable("context", false);
+
+    if (status == 0)
+      out << "Context '" << words[1] << "' successfully undefined." << "\n";
+    else
+      out << "Context '" << words[1] << "' was not undefined." << "\n";
+  }
+  else
+    throw "You have to specify context name.";
+
+  return 0;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 CmdCompletionContext::CmdCompletionContext ()
 {

src/commands/CmdContext.h

@@ -37,6 +37,7 @@ public:
   int execute (std::string&);
   std::string joinWords (std::vector <std::string>& words, unsigned int from, unsigned int to = 0);
   int defineContext (std::vector <std::string>& words, std::stringstream& out);
+  int deleteContext (std::vector <std::string>& words, std::stringstream& out);
 };
 
 class CmdCompletionContext : public Command