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/*************************************************************************/
/* syntax_highlighter.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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:
RBMap<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;
HashMap<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 // SYNTAX_HIGHLIGHTER_H
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