| Index: core/include/fxcrt/fx_bidi.h
|
| diff --git a/core/include/fxcrt/fx_bidi.h b/core/include/fxcrt/fx_bidi.h
|
| deleted file mode 100644
|
| index 4ea17dae861badc6922ad8b5f7a7b97adba14326..0000000000000000000000000000000000000000
|
| --- a/core/include/fxcrt/fx_bidi.h
|
| +++ /dev/null
|
| @@ -1,73 +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 CORE_INCLUDE_FXCRT_FX_BIDI_H_
|
| -#define CORE_INCLUDE_FXCRT_FX_BIDI_H_
|
| -
|
| -#include <memory>
|
| -#include <vector>
|
| -
|
| -#include "core/include/fxcrt/fx_string.h"
|
| -#include "core/include/fxcrt/fx_system.h"
|
| -
|
| -// Processes characters and group them into segments based on text direction.
|
| -class CFX_BidiChar {
|
| - public:
|
| - enum Direction { NEUTRAL, LEFT, RIGHT };
|
| - struct Segment {
|
| - int32_t start; // Start position.
|
| - int32_t count; // Character count.
|
| - Direction direction; // Segment direction.
|
| - };
|
| -
|
| - CFX_BidiChar();
|
| -
|
| - // Append a character and classify it as left, right, or neutral.
|
| - // Returns true if the character has a different direction than the
|
| - // existing direction to indicate there is a segment to process.
|
| - bool AppendChar(FX_WCHAR wch);
|
| -
|
| - // Call this after the last character has been appended. AppendChar()
|
| - // must not be called after this.
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| - // Returns true if there is still a segment to process.
|
| - bool EndChar();
|
| -
|
| - // Call after a change in direction is indicated by the above to get
|
| - // information about the segment to process.
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| - Segment GetSegmentInfo() const { return m_LastSegment; }
|
| -
|
| - private:
|
| - void StartNewSegment(CFX_BidiChar::Direction direction);
|
| -
|
| - Segment m_CurrentSegment;
|
| - Segment m_LastSegment;
|
| -};
|
| -
|
| -class CFX_BidiString {
|
| - public:
|
| - using const_iterator = std::vector<CFX_BidiChar::Segment>::const_iterator;
|
| - explicit CFX_BidiString(const CFX_WideString& str);
|
| -
|
| - // Overall direction is always LEFT or RIGHT, never NEUTRAL.
|
| - CFX_BidiChar::Direction OverallDirection() const {
|
| - return m_eOverallDirection;
|
| - }
|
| -
|
| - // Force the overall direction to be R2L regardless of what was detected.
|
| - void SetOverallDirectionRight();
|
| -
|
| - FX_WCHAR CharAt(size_t x) const { return m_Str[x]; }
|
| - const_iterator begin() const { return m_Order.begin(); }
|
| - const_iterator end() const { return m_Order.end(); }
|
| -
|
| - private:
|
| - const CFX_WideString m_Str;
|
| - std::unique_ptr<CFX_BidiChar> m_pBidiChar;
|
| - std::vector<CFX_BidiChar::Segment> m_Order;
|
| - CFX_BidiChar::Direction m_eOverallDirection;
|
| -};
|
| -
|
| -#endif // CORE_INCLUDE_FXCRT_FX_BIDI_H_
|
|
|