Rebuild CFDE_TextEditEngine.

This CL rebuilds the text edit engine in a simpler fashion. Instead of
depending on multiple pages, paragraphs and buffer fields there is a
single text edit engine which contains a gap buffer.

This makes the code easier to understand and follow.

Change-Id: I10fe85603fa9ed15a647eaac2d931f113cd0c7b0
Reviewed-on: https://pdfium-review.googlesource.com/11990
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>

1 files changed, 0 insertions, 45 deletions

diff --git a/xfa/fde/cfde_txtedtparag.h b/xfa/fde/cfde_txtedtparag.h
deleted file mode 100644
index becfb61070..0000000000
--- a/xfa/fde/cfde_txtedtparag.h
+++ /dev/null
@@ -1,45 +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
-
-#ifndef XFA_FDE_CFDE_TXTEDTPARAG_H_
-#define XFA_FDE_CFDE_TXTEDTPARAG_H_
-
-#include <stdint.h>
-
-#include "core/fxcrt/cfx_unowned_ptr.h"
-
-class CFDE_TxtEdtEngine;
-
-class CFDE_TxtEdtParag {
- public:
-  explicit CFDE_TxtEdtParag(CFDE_TxtEdtEngine* pEngine);
-  ~CFDE_TxtEdtParag();
-
-  int32_t GetTextLength() const { return m_nCharCount; }
-  int32_t GetStartIndex() const { return m_nCharStart; }
-  int32_t GetLineCount() const { return m_nLineCount; }
-
-  void SetTextLength(int32_t len) { m_nCharCount = len; }
-  void IncrementTextLength(int32_t len) { m_nCharCount += len; }
-  void SetStartIndex(int32_t idx) { m_nCharStart = idx; }
-  void IncrementStartIndex(int32_t val) { m_nCharStart += val; }
-  void DecrementStartIndex(int32_t val) { m_nCharStart -= val; }
-  void SetLineCount(int32_t count) { m_nLineCount = count; }
-
-  void GetLineRange(int32_t nLineIndex, int32_t& nStart, int32_t& nCount) const;
-  void LoadParag();
-  void UnloadParag();
-  void CalcLines();
-
- private:
-  int32_t m_nCharStart;
-  int32_t m_nCharCount;
-  int32_t m_nLineCount;
-  int32_t* m_lpData;
-  CFX_UnownedPtr<CFDE_TxtEdtEngine> m_pEngine;
-};
-
-#endif  // XFA_FDE_CFDE_TXTEDTPARAG_H_