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https://github.com/RGBCube/serenity
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8b334248e4
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
/*
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* Copyright (c) 2020-2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibVT/Position.h>
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namespace VT {
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class Range {
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public:
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Range() = default;
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Range(const VT::Position& start, const VT::Position& end)
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: m_start(start)
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, m_end(end)
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{
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}
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bool is_valid() const { return m_start.is_valid() && m_end.is_valid(); }
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void clear()
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{
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m_start = {};
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m_end = {};
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}
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VT::Position& start() { return m_start; }
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VT::Position& end() { return m_end; }
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const VT::Position& start() const { return m_start; }
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const VT::Position& end() const { return m_end; }
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Range normalized() const { return Range(normalized_start(), normalized_end()); }
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void set_start(const VT::Position& position) { m_start = position; }
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void set_end(const VT::Position& position) { m_end = position; }
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void set(const VT::Position& start, const VT::Position& end)
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{
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m_start = start;
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m_end = end;
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}
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void offset_row(int delta)
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{
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m_start = Position(m_start.row() + delta, m_start.column());
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m_end = Position(m_end.row() + delta, m_end.column());
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}
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bool operator==(const Range& other) const
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{
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return m_start == other.m_start && m_end == other.m_end;
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}
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bool contains(const VT::Position& position) const
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{
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if (!(position.row() > m_start.row() || (position.row() == m_start.row() && position.column() >= m_start.column())))
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return false;
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if (!(position.row() < m_end.row() || (position.row() == m_end.row() && position.column() <= m_end.column())))
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return false;
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return true;
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}
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private:
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VT::Position normalized_start() const { return m_start < m_end ? m_start : m_end; }
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VT::Position normalized_end() const { return m_start < m_end ? m_end : m_start; }
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VT::Position m_start;
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VT::Position m_end;
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};
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};
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