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Diffstat (limited to 'scene/resources/syntax_highlighter.h')
| -rw-r--r-- | scene/resources/syntax_highlighter.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/scene/resources/syntax_highlighter.h b/scene/resources/syntax_highlighter.h new file mode 100644 index 0000000000..0fe39ccff6 --- /dev/null +++ b/scene/resources/syntax_highlighter.h @@ -0,0 +1,145 @@ +/*************************************************************************/ +/* syntax_highlighter.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef SYNTAX_HIGHLIGHTER_H +#define SYNTAX_HIGHLIGHTER_H + +#include "core/io/resource.h" +#include "core/object/gdvirtual.gen.inc" +#include "core/object/script_language.h" + +class TextEdit; + +class SyntaxHighlighter : public Resource { + GDCLASS(SyntaxHighlighter, Resource) + +private: + Map<int, Dictionary> highlighting_cache; + void _lines_edited_from(int p_from_line, int p_to_line); + +protected: + ObjectID text_edit_instance_id; // For validity check + TextEdit *text_edit = nullptr; + + static void _bind_methods(); + + GDVIRTUAL1RC(Dictionary, _get_line_syntax_highlighting, int) + GDVIRTUAL0(_clear_highlighting_cache) + GDVIRTUAL0(_update_cache) +public: + Dictionary get_line_syntax_highlighting(int p_line); + virtual Dictionary _get_line_syntax_highlighting_impl(int p_line) { return Dictionary(); } + + void clear_highlighting_cache(); + virtual void _clear_highlighting_cache() {} + + void update_cache(); + virtual void _update_cache() {} + + void set_text_edit(TextEdit *p_text_edit); + TextEdit *get_text_edit(); + + SyntaxHighlighter() {} + virtual ~SyntaxHighlighter() {} +}; + +/////////////////////////////////////////////////////////////////////////////// + +class CodeHighlighter : public SyntaxHighlighter { + GDCLASS(CodeHighlighter, SyntaxHighlighter) + +private: + struct ColorRegion { + Color color; + String start_key; + String end_key; + bool line_only = false; + }; + Vector<ColorRegion> color_regions; + Map<int, int> color_region_cache; + + Dictionary keywords; + Dictionary member_keywords; + + Color font_color; + Color member_color; + Color function_color; + Color symbol_color; + Color number_color; + +protected: + static void _bind_methods(); + +public: + virtual Dictionary _get_line_syntax_highlighting_impl(int p_line) override; + + virtual void _clear_highlighting_cache() override; + virtual void _update_cache() override; + + void add_keyword_color(const String &p_keyword, const Color &p_color); + void remove_keyword_color(const String &p_keyword); + bool has_keyword_color(const String &p_keyword) const; + Color get_keyword_color(const String &p_keyword) const; + + void set_keyword_colors(const Dictionary p_keywords); + void clear_keyword_colors(); + Dictionary get_keyword_colors() const; + + void add_member_keyword_color(const String &p_member_keyword, const Color &p_color); + void remove_member_keyword_color(const String &p_member_keyword); + bool has_member_keyword_color(const String &p_member_keyword) const; + Color get_member_keyword_color(const String &p_member_keyword) const; + + void set_member_keyword_colors(const Dictionary &p_color_regions); + void clear_member_keyword_colors(); + Dictionary get_member_keyword_colors() const; + + void add_color_region(const String &p_start_key, const String &p_end_key, const Color &p_color, bool p_line_only = false); + void remove_color_region(const String &p_start_key); + bool has_color_region(const String &p_start_key) const; + + void set_color_regions(const Dictionary &p_member_keyword); + void clear_color_regions(); + Dictionary get_color_regions() const; + + void set_number_color(Color p_color); + Color get_number_color() const; + + void set_symbol_color(Color p_color); + Color get_symbol_color() const; + + void set_function_color(Color p_color); + Color get_function_color() const; + + void set_member_variable_color(Color p_color); + Color get_member_variable_color() const; +}; + +#endif |