AFileOutputStream.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2024 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
#pragma once
#include <cstdio>
#include "IOutputStream.h"
#include "AUI/Core.h"
 
class AString;

class API_AUI_CORE AFileOutputStream : public IOutputStream
{
private:
    FILE* mFile;
    AString mPath;
 
public:
    AFileOutputStream(): mFile(nullptr) {}
    AFileOutputStream(AString path, bool append = false);
 
    virtual ~AFileOutputStream();
 
    void write(const char* src, size_t size) override;
    void close();
    void open(bool append = false);
 
 
    AFileOutputStream(AFileOutputStream&& rhs) noexcept {
        operator=(std::move(rhs));
    }
    AFileOutputStream& operator=(AFileOutputStream&& rhs) noexcept {
        mFile = rhs.mFile;
        mPath = std::move(rhs.mPath);
        rhs.mFile = nullptr;
        return *this;
    }
 
    FILE* nativeHandle() const {
        return mFile;
    }
    const AString& path() const {
        return mPath;
    }

    class WriteException: public AIOException {
    private:
        AString mPath;
 
    public:
        WriteException(const AString &mPath) : mPath(mPath) {}
 
        const AString& getPath() const {
            return mPath;
        }
 
        AString getMessage() const noexcept override {
            return "failed to write to file: " + mPath;
        }
    };
};

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