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authorDan Sinclair <dsinclair@chromium.org>2016-03-23 15:41:39 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-23 15:41:39 -0400
commita8a28e0702a1874d29d3c9f2b155bce1557eb4fd (patch)
tree2b2d412e95004a846c39b9f05b444bbfce05d0a8 /core/include/fxcrt/fx_bidi.h
parent029ea3ef8e49244e0a6e80d38768764ce27bad30 (diff)
downloadpdfium-a8a28e0702a1874d29d3c9f2b155bce1557eb4fd.tar.xz
Move core/include/fxcrt to core/fxcrt/include.
This CL moves the fxcrt code into the core/fxcrt directory. The only exception was fx_bidi.h which was moved into core/fxcrt as it is not used outside of core/. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1825953002 .
Diffstat (limited to 'core/include/fxcrt/fx_bidi.h')
-rw-r--r--core/include/fxcrt/fx_bidi.h73
1 files changed, 0 insertions, 73 deletions
diff --git a/core/include/fxcrt/fx_bidi.h b/core/include/fxcrt/fx_bidi.h
deleted file mode 100644
index 4ea17dae86..0000000000
--- 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.
- // 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.
- 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_