Add x command, which selects all matches in the current selection

src/atom/command-interpreter/select-all-matches.coffee

@@ -0,0 +1,39 @@
+Command = require 'command-interpreter/command'
+Range = require 'range'
+
+module.exports =
+class SelectAllMatches extends Command
+  @regex: null
+
+  constructor: (pattern) ->
+    @regex = new RegExp(pattern)
+
+  execute: (editor) ->
+    selectedText = editor.getSelectedText()
+    selectionStartIndex = editor.buffer.characterIndexForPosition(editor.getSelection().getBufferRange().start)
+
+    matchingRanges = @findMatchingRanges(editor, selectedText, selectionStartIndex)
+    return unless matchingRanges.length
+    editor.setSelectionBufferRange(matchingRanges[0])
+    editor.addSelectionForBufferRange(range) for range in matchingRanges[1..]
+
+
+  findMatchingRanges: (editor, text, startIndex) ->
+    console.log text
+    return [] unless match = text.match(@regex)
+
+    console.log match
+    console.log match[0]
+
+    matchStartIndex = startIndex + match.index
+    matchEndIndex = matchStartIndex + match[0].length
+
+    buffer = editor.buffer
+    startPosition = buffer.positionForCharacterIndex(matchStartIndex)
+    endPosition = buffer.positionForCharacterIndex(matchEndIndex)
+    range = new Range(startPosition, endPosition)
+
+    text = text[(match.index + match[0].length)..]
+    startIndex = matchEndIndex
+    [range].concat(@findMatchingRanges(editor, text, startIndex))
+

src/atom/commands.pegjs

@@ -6,16 +6,14 @@
   var EofAddress = require('command-interpreter/eof-address');
   var CurrentSelectionAddress = require('command-interpreter/current-selection-address')
   var RegexAddress = require('command-interpreter/regex-address')
+  var SelectAllMatches = require('command-interpreter/select-all-matches')
 }
 
-start
-  = address:address? _ command:substitution? {
-    var commands = [];
-    if (address) commands.push(address);
-    if (command) commands.push(command);
+start = expressions:(expression+) {
+  return new CompositeCommand(expressions)
+}
 
-    return new CompositeCommand(commands);
-  }
+expression = _ expression:(address / command) _ { return expression; }
 
 address = addressRange / primitiveAddress
 
@@ -32,11 +30,16 @@ primitiveAddress
   / '.' { return new CurrentSelectionAddress() }
   / '/' pattern:pattern '/'? { return new RegexAddress(pattern)}
 
+command = substitution / selectAllMatches
+
 substitution
   = "s" _ "/" find:pattern "/" replace:pattern "/" _ options:[g]* {
     return new Substitution(find, replace, options);
   }
 
+selectAllMatches
+  = 'x' _ '/' pattern:pattern '/'? { return new SelectAllMatches(pattern) }
+
 pattern
   = pattern:[^/]* { return pattern.join('') }
 

src/atom/editor.coffee

@@ -356,6 +356,7 @@ class Editor extends View
   getCursorBufferPosition: -> @getCursor().getBufferPosition()
 
   getSelection: (index) -> @compositeSelection.getSelection(index)
+  getSelections: -> @compositeSelection.getSelections()
   getSelectedText: -> @compositeSelection.getSelection().getText()
   setSelectionBufferRange: (bufferRange, options) -> @compositeSelection.setBufferRange(bufferRange, options)
   addSelectionForBufferRange: (bufferRange, options) -> @compositeSelection.addSelectionForBufferRange(bufferRange, options)