Highlighter.h

// MIT License
//
// Copyright (c) 2023 Piotr Pszczółkowski
//
// 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.
//
// Created by Piotr Pszczółkowski on 20/03/2024.
#pragma once

/*------- include files:
-------------------------------------------------------------------*/
#include "Types.h"
#include "model/Match.h"
#include <QFont>
#include <QSyntaxHighlighter>
#include <QTextCharFormat>
#include <vector>

/*------- forward declarations:
-------------------------------------------------------------------*/
class QTextDocument;

class Highlighter : public QSyntaxHighlighter {
    QTextCharFormat format_[5]{QTextCharFormat{}};
public:
    Highlighter(QTextDocument* = nullptr);
    ~Highlighter() override = default;

    Highlighter(Highlighter const&) = delete;
    Highlighter(Highlighter&&) = delete;
    Highlighter& operator=(Highlighter const&) = delete;
    Highlighter& operator=(Highlighter&&) = delete;

    void upate_for(std::vector<Match> data) noexcept {
        data_ = std::move((data));
        action_ = true;
        rehighlight();
    };

    bool action() const noexcept {
        return action_;
    }
    void action(bool const flag) noexcept {
        action_ = flag;
    }
private:
    void highlightBlock(qstr const& text) override;

    bool action_{};
    std::vector<Match> data_{};
};