httpmultipartreader.hpp

/* Copyright (c) 2014-2015, The Nuria Project
 * The NuriaProject Framework is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 * 
 * The NuriaProject Framework is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with The NuriaProject Framework.
 * If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef NURIA_HTTPMULTIPARTREADER_HPP
#define NURIA_HTTPMULTIPARTREADER_HPP

#include "httppostbodyreader.hpp"

namespace Nuria {

class HttpMultiPartReaderPrivate;
class TemporaryBufferDevice;

class NURIA_NETWORK_EXPORT HttpMultiPartReader : public HttpPostBodyReader {
        Q_OBJECT
public:
        
        HttpMultiPartReader (QIODevice *device, const QByteArray &boundary, QObject *parent = nullptr);
        
        ~HttpMultiPartReader ();
        
        bool isComplete () const override;
        bool hasFailed () const override;
        bool hasField (const QString &field) const override;
        QStringList fieldNames () const override;
        QString fieldMimeType (const QString &field) const override;
        qint64 fieldLength (const QString &field) const override;
        qint64 fieldBytesTransferred (const QString &field) const override;
        bool isFieldComplete (const QString &field) const override;
        QIODevice *fieldStream (const QString &field) override;
        
private:
        
        void setState (int state);
        void processData ();
        void processChunk ();
        bool processChunkStep ();
        int processFirstLine ();
        int processAllHeaders ();
        int processHeaders (int offset);
        bool processHeaderLine (const QByteArray &line);
        bool parseHeaders ();
        qint64 parseContentLength (const QByteArray &data);
        QString parseContentDispositionValue (const QByteArray &data);
        QString parseContentDispositionFormDataValue (const QByteArray &data);
        int processContent ();
        int isBoundingLine (const QByteArray &buffer, bool &last, int offset);
        int boundingLineLength () const;
        void stopListening ();
        int appendToCurrentBuffer (const QByteArray &data, int length);
        int processContentBoundary (int idxOfNewline);
        void initCurrentBuffer (const QString &name, TemporaryBufferDevice *device);
        
        HttpMultiPartReaderPrivate *d_ptr;
        
};

}

#endif // NURIA_HTTPMULTIPARTREADER_HPP