display output on a different line from the prompt

git-svn-id: file:///home/svn/framework3/trunk@4643 4d416f70-5f16-0410-b530-b9f4589650da

lib/rex/ui/output.rb

@@ -55,6 +55,22 @@ class Output
 	def flush
 	end
 
+	#
+	# Called to tell the output medium that we're at a prompt.
+	# This is used to allow the output medium to display an extra
+	# carriage return
+	#
+	def prompting(v = true)
+		@at_prompt = v
+	end
+
+	#
+	# Returns whether or not we're at a prompt currently
+	#
+	def prompting?
+		@at_prompt
+	end
+
 end
 
 end

lib/rex/ui/subscriber.rb

@@ -19,28 +19,40 @@ module Subscriber
 		# Wraps user_output.print_line
 		#
 		def print_line(msg='')
-			user_output.print_line(msg) if (user_output)
+			if (user_output)
+				print_blank_line if user_output.prompting?
+				user_output.print_line(msg) 
+			end
 		end
 
 		#
 		# Wraps user_output.print_status
 		#
 		def print_status(msg='')
-			user_output.print_status(msg) if (user_output)
+			if (user_output)
+				print_blank_line if user_output.prompting?
+				user_output.print_status(msg) 
+			end
 		end
 
 		#
 		# Wraps user_output.print_error
 		#
 		def print_error(msg='')
-			user_output.print_error(msg) if (user_output)
+			if (user_output)
+				print_blank_line if user_output.prompting?
+				user_output.print_error(msg) 
+			end
 		end
 		
 		#
 		# Wraps user_output.print_good
 		#
 		def print_good(msg='')
-			user_output.print_good(msg) if (user_output)
+			if (user_output)
+				print_blank_line if user_output.prompting?
+				user_output.print_good(msg) 
+			end
 		end
 
 		#
@@ -61,6 +73,16 @@ module Subscriber
 		# The user output handle.
 		#
 		attr_accessor :user_output
+	
+	protected
+
+		# 
+		# Prints a blank line.  Used when the input is prompting.
+		#
+		def print_blank_line
+			user_output.prompting(false)
+			user_output.print_line
+		end
 
 	end
 

lib/rex/ui/text/input/readline.rb

@@ -129,12 +129,17 @@ begin
 		# Prompt-based getline using readline.
 		#
 		def pgets
+
 			if (readline_status)
 				$stderr.puts "ERROR: pgets called inside of thread mode: " + caller(1).to_s
 				return ''
 			end
 		
-			if ((line = ::Readline.readline(prompt, true)))
+			output.prompting
+			line = ::Readline.readline(prompt, true)
+			output.prompting(false)
+
+			if line
 				HISTORY.pop if (line.empty?)
 				return line + "\n"
 			else

lib/rex/ui/text/shell.rb

@@ -24,7 +24,12 @@ module Shell
 		def pgets
 			output.print(prompt)
 			output.flush
-			gets
+
+			output.prompting
+			buf = gets
+			output.prompting(false)
+
+			buf
 		end
 	end