editor/libeditor/JoinSplitNodeDirection.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef JoinSplitNodeDirection_h
   7 #define JoinSplitNodeDirection_h
   8
   9 #include <iostream>
  10
  11 namespace mozilla {
  12
  13 // JoinNodesDirection is also affected to which one is new node at splitting
  14 // a node because a couple of undo/redo.
  15 enum class JoinNodesDirection {
  16   LeftNodeIntoRightNode,
  17   RightNodeIntoLeftNode,
  18 };
  19
  20 static inline std::ostream& operator<<(std::ostream& aStream,
  21                                        JoinNodesDirection aJoinNodesDirection) {
  22   if (aJoinNodesDirection == JoinNodesDirection::LeftNodeIntoRightNode) {
  23     return aStream << "JoinNodesDirection::LeftNodeIntoRightNode";
  24   }
  25   if (aJoinNodesDirection == JoinNodesDirection::RightNodeIntoLeftNode) {
  26     return aStream << "JoinNodesDirection::RightNodeIntoLeftNode";
  27   }
  28   return aStream << "Invalid value";
  29 }
  30
  31 // SplitNodeDirection is also affected to which one is removed at joining a
  32 // node because a couple of undo/redo.
  33 enum class SplitNodeDirection {
  34   LeftNodeIsNewOne,
  35   RightNodeIsNewOne,
  36 };
  37
  38 static inline std::ostream& operator<<(std::ostream& aStream,
  39                                        SplitNodeDirection aSplitNodeDirection) {
  40   if (aSplitNodeDirection == SplitNodeDirection::LeftNodeIsNewOne) {
  41     return aStream << "SplitNodeDirection::LeftNodeIsNewOne";
  42   }
  43   if (aSplitNodeDirection == SplitNodeDirection::RightNodeIsNewOne) {
  44     return aStream << "SplitNodeDirection::RightNodeIsNewOne";
  45   }
  46   return aStream << "Invalid value";
  47 }
  48
  49 }  // namespace mozilla
  50
  51 #endif  // JoinSplitNodeDirection_h