1 files changed, 0 insertions, 81 deletions
diff --git a/core/src/fxcrt/fx_bidi.cpp b/core/src/fxcrt/fx_bidi.cpp
deleted file mode 100644
index a7a3ecb295..0000000000
--- a/core/src/fxcrt/fx_bidi.cpp
+++ /dev/null
@@ -1,81 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "core/include/fxcrt/fx_bidi.h"
-#include "core/include/fxcrt/fx_ucd.h"
-
-#include <algorithm>
-
-CFX_BidiChar::CFX_BidiChar()
-    : m_CurrentSegment({0, 0, NEUTRAL}), m_LastSegment({0, 0, NEUTRAL}) {}
-
-bool CFX_BidiChar::AppendChar(FX_WCHAR wch) {
-  FX_DWORD dwProps = FX_GetUnicodeProperties(wch);
-  int32_t iBidiCls = (dwProps & FX_BIDICLASSBITSMASK) >> FX_BIDICLASSBITS;
-  Direction direction = NEUTRAL;
-  switch (iBidiCls) {
-    case FX_BIDICLASS_L:
-    case FX_BIDICLASS_AN:
-    case FX_BIDICLASS_EN:
-      direction = LEFT;
-      break;
-    case FX_BIDICLASS_R:
-    case FX_BIDICLASS_AL:
-      direction = RIGHT;
-      break;
-  }
-
-  bool bChangeDirection = (direction != m_CurrentSegment.direction);
-  if (bChangeDirection)
-    StartNewSegment(direction);
-
-  m_CurrentSegment.count++;
-  return bChangeDirection;
-}
-
-bool CFX_BidiChar::EndChar() {
-  StartNewSegment(NEUTRAL);
-  return m_LastSegment.count > 0;
-}
-
-void CFX_BidiChar::StartNewSegment(CFX_BidiChar::Direction direction) {
-  m_LastSegment = m_CurrentSegment;
-  m_CurrentSegment.start += m_CurrentSegment.count;
-  m_CurrentSegment.count = 0;
-  m_CurrentSegment.direction = direction;
-}
-
-CFX_BidiString::CFX_BidiString(const CFX_WideString& str)
-    : m_Str(str),
-      m_pBidiChar(new CFX_BidiChar),
-      m_eOverallDirection(CFX_BidiChar::LEFT) {
-  for (int i = 0; i < m_Str.GetLength(); ++i) {
-    if (m_pBidiChar->AppendChar(m_Str.GetAt(i)))
-      m_Order.push_back(m_pBidiChar->GetSegmentInfo());
-  }
-  if (m_pBidiChar->EndChar())
-    m_Order.push_back(m_pBidiChar->GetSegmentInfo());
-
-  size_t nR2L = std::count_if(m_Order.begin(), m_Order.end(),
-                              [](const CFX_BidiChar::Segment& seg) {
-                                return seg.direction == CFX_BidiChar::RIGHT;
-                              });
-
-  size_t nL2R = std::count_if(m_Order.begin(), m_Order.end(),
-                              [](const CFX_BidiChar::Segment& seg) {
-                                return seg.direction == CFX_BidiChar::LEFT;
-                              });
-
-  if (nR2L > 0 && nR2L >= nL2R)
-    SetOverallDirectionRight();
-}
-
-void CFX_BidiString::SetOverallDirectionRight() {
-  if (m_eOverallDirection != CFX_BidiChar::RIGHT) {
-    std::reverse(m_Order.begin(), m_Order.end());
-    m_eOverallDirection = CFX_BidiChar::RIGHT;
-  }
-}