140 lines
5.2 KiB
C++
140 lines
5.2 KiB
C++
/*************************************************************************/
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/* syntax_highlighter.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef SYNTAX_HIGHLIGHTER_H
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#define SYNTAX_HIGHLIGHTER_H
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#include "core/io/resource.h"
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class TextEdit;
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class SyntaxHighlighter : public Resource {
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GDCLASS(SyntaxHighlighter, Resource)
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private:
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Map<int, Dictionary> highlighting_cache;
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void _lines_edited_from(int p_from_line, int p_to_line);
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protected:
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ObjectID text_edit_instance_id; // For validity check
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TextEdit *text_edit = nullptr;
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static void _bind_methods();
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public:
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Dictionary get_line_syntax_highlighting(int p_line);
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virtual Dictionary _get_line_syntax_highlighting(int p_line) { return Dictionary(); }
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void clear_highlighting_cache();
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virtual void _clear_highlighting_cache() {}
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void update_cache();
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virtual void _update_cache() {}
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void set_text_edit(TextEdit *p_text_edit);
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TextEdit *get_text_edit();
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SyntaxHighlighter() {}
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virtual ~SyntaxHighlighter() {}
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};
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///////////////////////////////////////////////////////////////////////////////
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class CodeHighlighter : public SyntaxHighlighter {
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GDCLASS(CodeHighlighter, SyntaxHighlighter)
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private:
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struct ColorRegion {
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Color color;
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String start_key;
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String end_key;
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bool line_only = false;
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};
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Vector<ColorRegion> color_regions;
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Map<int, int> color_region_cache;
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Dictionary keywords;
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Dictionary member_keywords;
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Color font_color;
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Color member_color;
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Color function_color;
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Color symbol_color;
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Color number_color;
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protected:
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static void _bind_methods();
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public:
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virtual Dictionary _get_line_syntax_highlighting(int p_line) override;
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virtual void _clear_highlighting_cache() override;
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virtual void _update_cache() override;
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void add_keyword_color(const String &p_keyword, const Color &p_color);
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void remove_keyword_color(const String &p_keyword);
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bool has_keyword_color(const String &p_keyword) const;
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Color get_keyword_color(const String &p_keyword) const;
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void set_keyword_colors(const Dictionary p_keywords);
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void clear_keyword_colors();
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Dictionary get_keyword_colors() const;
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void add_member_keyword_color(const String &p_member_keyword, const Color &p_color);
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void remove_member_keyword_color(const String &p_member_keyword);
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bool has_member_keyword_color(const String &p_member_keyword) const;
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Color get_member_keyword_color(const String &p_member_keyword) const;
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void set_member_keyword_colors(const Dictionary &p_color_regions);
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void clear_member_keyword_colors();
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Dictionary get_member_keyword_colors() const;
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void add_color_region(const String &p_start_key, const String &p_end_key, const Color &p_color, bool p_line_only = false);
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void remove_color_region(const String &p_start_key);
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bool has_color_region(const String &p_start_key) const;
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void set_color_regions(const Dictionary &p_member_keyword);
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void clear_color_regions();
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Dictionary get_color_regions() const;
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void set_number_color(Color p_color);
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Color get_number_color() const;
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void set_symbol_color(Color p_color);
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Color get_symbol_color() const;
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void set_function_color(Color p_color);
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Color get_function_color() const;
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void set_member_variable_color(Color p_color);
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Color get_member_variable_color() const;
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};
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#endif
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