mirror of
https://github.com/RGBCube/serenity
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88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/Noncopyable.h>
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#include <AK/WeakPtr.h>
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#include <LibGUI/TextDocument.h>
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#include <LibGfx/Palette.h>
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namespace GUI {
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enum class SyntaxLanguage {
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PlainText,
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Cpp,
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JavaScript,
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INI
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};
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struct TextStyle {
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Color color;
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const Gfx::Font* font { nullptr };
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};
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class SyntaxHighlighter {
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AK_MAKE_NONCOPYABLE(SyntaxHighlighter);
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AK_MAKE_NONMOVABLE(SyntaxHighlighter);
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public:
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virtual ~SyntaxHighlighter();
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virtual SyntaxLanguage language() const = 0;
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virtual void rehighlight(Gfx::Palette) = 0;
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virtual void highlight_matching_token_pair();
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virtual bool is_identifier(void*) const { return false; };
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virtual bool is_navigatable(void*) const { return false; };
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void attach(TextEditor& editor);
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void detach();
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void cursor_did_change();
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protected:
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SyntaxHighlighter() {}
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WeakPtr<TextEditor> m_editor;
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struct MatchingTokenPair {
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void* open;
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void* close;
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};
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virtual Vector<MatchingTokenPair> matching_token_pairs() const = 0;
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virtual bool token_types_equal(void*, void*) const = 0;
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struct BuddySpan {
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int index { -1 };
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GUI::TextDocumentSpan span_backup;
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};
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bool m_has_brace_buddies { false };
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BuddySpan m_brace_buddies[2];
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};
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}
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