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ba4db899d4
This moves some stuff around to make LibGUI depend on LibSyntax instead of the other way around, as not every application that wishes to do syntax highlighting is necessarily a LibGUI (or even a GUI) application.
81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022-2023, 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 <LibSyntax/TextPosition.h>
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namespace Syntax {
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class TextRange {
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public:
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TextRange() = default;
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TextRange(TextPosition const& start, TextPosition const& 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() && m_start != m_end; }
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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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TextPosition& start() { return m_start; }
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TextPosition& end() { return m_end; }
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TextPosition const& start() const { return m_start; }
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TextPosition const& end() const { return m_end; }
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size_t line_count() const { return normalized_end().line() - normalized_start().line() + 1; }
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TextRange normalized() const { return TextRange(normalized_start(), normalized_end()); }
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void set_start(TextPosition const& position) { m_start = position; }
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void set_end(TextPosition const& position) { m_end = position; }
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void set(TextPosition const& start, TextPosition const& 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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bool operator==(TextRange const& 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(TextPosition const& position) const
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{
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if (position.line() <= m_start.line() && (position.line() != m_start.line() || position.column() < m_start.column()))
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return false;
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if (position.line() >= m_end.line() && (position.line() != m_end.line() || 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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TextPosition normalized_start() const { return m_start < m_end ? m_start : m_end; }
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TextPosition normalized_end() const { return m_start < m_end ? m_end : m_start; }
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TextPosition m_start {};
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TextPosition m_end {};
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};
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}
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template<>
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struct AK::Formatter<Syntax::TextRange> : AK::Formatter<FormatString> {
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ErrorOr<void> format(FormatBuilder& builder, Syntax::TextRange const& value)
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{
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if (value.is_valid())
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return Formatter<FormatString>::format(builder, "{}-{}"sv, value.start(), value.end());
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return builder.put_string("TextRange(Invalid)"sv);
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}
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};
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