Add comand-panel:set-selection-as-regex-address

spec/extensions/command-panel-spec.coffee

@@ -41,6 +41,16 @@ describe "CommandPanel", ->
       rootView.trigger 'command-panel:repeat-relative-address'
       expect(commandPanel.commandInterpreter.repeatRelativeAddress).toHaveBeenCalledWith(rootView.activeEditor())
 
+  describe "when command-panel:set-selection-as-regex-address is triggered on the root view", ->
+    it "sets the @lastRelativeAddress to a RegexAddress of the current selection", ->
+      rootView.open(require.resolve('fixtures/sample.js'))
+      rootView.activeEditor().setSelectedBufferRange([[1,21],[1,28]])
+
+      commandInterpreter = commandPanel.commandInterpreter
+      expect(commandInterpreter.lastRelativeAddress).toBeUndefined()
+      rootView.trigger 'command-panel:set-selection-as-regex-address'
+      expect(commandInterpreter.lastRelativeAddress.regex.toString()).toEqual "/\\(items\\)/"
+
   describe "when command-panel:find-in-file is triggered on an editor", ->
     it "pre-populates command panel's editor with /", ->
       rootView.activeEditor().trigger "command-panel:find-in-file"

src/extensions/command-panel.coffee

@@ -1,8 +1,12 @@
 {View} = require 'space-pen'
 CommandInterpreter = require 'command-interpreter'
+RegexAddress = require 'command-interpreter/regex-address'
+CompositeCommand = require 'command-interpreter/composite-command'
 Editor = require 'editor'
 {SyntaxError} = require('pegjs').parser
 
+_ = require 'underscore'
+
 module.exports =
 class CommandPanel extends View
   @activate: (rootView, state) ->
@@ -38,6 +42,7 @@ class CommandPanel extends View
     @rootView.on 'command-panel:execute', => @execute()
     @rootView.on 'command-panel:find-in-file', => @show("/")
     @rootView.on 'command-panel:repeat-relative-address', => @repeatRelativeAddress()
+    @rootView.on 'command-panel:set-selection-as-regex-address', => @useSelectionAsLastRelativeAddress()
 
     @miniEditor.off 'move-up move-down'
     @miniEditor.on 'move-up', => @navigateBackwardInHistory()
@@ -82,3 +87,8 @@ class CommandPanel extends View
 
   repeatRelativeAddress: ->
     @commandInterpreter.repeatRelativeAddress(@rootView.activeEditor())
+
+  useSelectionAsLastRelativeAddress: ->
+    selection = @rootView.activeEditor().getSelectedText()
+    regex = _.escapeRegExp(selection)
+    @commandInterpreter.lastRelativeAddress = new CompositeCommand([new RegexAddress(regex)])