Use a 1-byte enum class for TextDirection
[WebKit-https.git] / Source / WebCore / platform / RectEdges.h
1 /*
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25
26 #pragma once
27
28 #include "WritingMode.h"
29 #include <array>
30
31 namespace WebCore {
32     
33 template<typename T> class RectEdges {
34 public:
35     RectEdges() = default;
36     
37     template<typename U>
38     RectEdges(U&& top, U&& right, U&& bottom, U&& left)
39         : m_sides({ { std::forward<T>(top), std::forward<T>(right), std::forward<T>(bottom), std::forward<T>(left) } })
40     { }
41     
42     T& at(PhysicalBoxSide side) { return m_sides[static_cast<size_t>(side)]; }
43     T& top() { return at(PhysicalBoxSide::Top); }
44     T& right() { return at(PhysicalBoxSide::Right); }
45     T& bottom() { return at(PhysicalBoxSide::Bottom); }
46     T& left() { return at(PhysicalBoxSide::Left); }
47     
48     const T& at(PhysicalBoxSide side) const { return m_sides[static_cast<size_t>(side)]; }
49     const T& top() const { return at(PhysicalBoxSide::Top); }
50     const T& right() const { return at(PhysicalBoxSide::Right); }
51     const T& bottom() const { return at(PhysicalBoxSide::Bottom); }
52     const T& left() const { return at(PhysicalBoxSide::Left); }
53     
54     void setAt(PhysicalBoxSide side, const T& v) { at(side) = v; }
55     void setTop(const T& top) { setAt(PhysicalBoxSide::Top, top); }
56     void setRight(const T& right) { setAt(PhysicalBoxSide::Right, right); }
57     void setBottom(const T& bottom) { setAt(PhysicalBoxSide::Bottom, bottom); }
58     void setLeft(const T& left) { setAt(PhysicalBoxSide::Left, left); }
59     
60     T& before(WritingMode writingMode) { return at(mapLogicalSideToPhysicalSide(writingMode, LogicalBoxSide::Before)); }
61     T& after(WritingMode writingMode) { return at(mapLogicalSideToPhysicalSide(writingMode, LogicalBoxSide::After)); }
62     T& start(WritingMode writingMode, TextDirection direction = TextDirection::LTR) { return at(mapLogicalSideToPhysicalSide(makeTextFlow(writingMode, direction), LogicalBoxSide::Start)); }
63     T& end(WritingMode writingMode, TextDirection direction = TextDirection::LTR) { return at(mapLogicalSideToPhysicalSide(makeTextFlow(writingMode, direction), LogicalBoxSide::End)); }
64     
65     const T& before(WritingMode writingMode) const { return at(mapLogicalSideToPhysicalSide(writingMode, LogicalBoxSide::Before)); }
66     const T& after(WritingMode writingMode) const { return at(mapLogicalSideToPhysicalSide(writingMode, LogicalBoxSide::After)); }
67     const T& start(WritingMode writingMode, TextDirection direction = TextDirection::LTR) const { return at(mapLogicalSideToPhysicalSide(makeTextFlow(writingMode, direction), LogicalBoxSide::Start)); }
68     const T& end(WritingMode writingMode, TextDirection direction = TextDirection::LTR) const { return at(mapLogicalSideToPhysicalSide(makeTextFlow(writingMode, direction), LogicalBoxSide::End)); }
69     
70     void setBefore(const T& before, WritingMode writingMode) { this->before(writingMode) = before; }
71     void setAfter(const T& after, WritingMode writingMode) { this->after(writingMode) = after; }
72     void setStart(const T& start, WritingMode writingMode, TextDirection direction = TextDirection::LTR) { this->start(writingMode, direction) = start; }
73     void setEnd(const T& end, WritingMode writingMode, TextDirection direction = TextDirection::LTR) { this->end(writingMode, direction) = end; }
74     
75     bool operator==(const RectEdges& other) const { return m_sides == other.m_sides; }
76     bool operator!=(const RectEdges& other) const { return m_sides != other.m_sides; }
77
78 private:
79     std::array<T, 4> m_sides {{0, 0, 0, 0}};
80 };
81
82 }