87cdeda93c
A future patch will port LibSyntax away from UTF-32. The less code that needs to be ported, the easier that will be.
59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
/*
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* Copyright (c) 2023, Ali Mohammad Pur <mpfard@serenityos.org>
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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 <AK/RefCounted.h>
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#include <AK/Utf32View.h>
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#include <AK/Vector.h>
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#include <LibGfx/TextAttributes.h>
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#include <LibSyntax/Forward.h>
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#include <LibSyntax/TextRange.h>
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namespace Syntax {
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struct TextDocumentSpan {
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TextRange range;
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Gfx::TextAttributes attributes;
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u64 data { 0 };
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bool is_skippable { false };
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};
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class TextDocumentLine {
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public:
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explicit TextDocumentLine(Document&);
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explicit TextDocumentLine(Document&, StringView);
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Utf32View view() const LIFETIME_BOUND { return { code_points(), length() }; }
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u32 const* code_points() const { return m_text.data(); }
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bool is_empty() const { return length() == 0; }
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size_t length() const { return m_text.size(); }
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bool set_text(Document&, StringView);
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void clear(Document&);
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private:
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// NOTE: This vector is null terminated.
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Vector<u32> m_text;
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};
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class Document : public RefCounted<Document> {
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public:
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Document() = default;
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virtual ~Document() = default;
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void set_spans(Vector<TextDocumentSpan> spans);
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Vector<TextDocumentSpan>& spans() { return m_spans; }
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virtual TextDocumentLine const& line(size_t line_index) const = 0;
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virtual TextDocumentLine& line(size_t line_index) = 0;
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virtual void update_views(Badge<TextDocumentLine>) = 0;
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protected:
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Vector<TextDocumentSpan> m_spans;
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};
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}
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