105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
/*! \file piiostream.h
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* \ingroup IO
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* \~\brief
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* \~english PIBinaryStream functionality for PIIODevice
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* \~russian Функциональность PIBinaryStream для PIIODevice
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*/
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/*
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PIP - Platform Independent Primitives
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PIBinaryStream functionality for PIIODevice
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Ivan Pelipenko peri4ko@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PIIOSTREAM_H
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#define PIIOSTREAM_H
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#include "piiostring.h"
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#include "pitextstream.h"
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//! \ingroup IO
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//! \~\brief
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//! \~english PIBinaryStream functionality for PIIODevice.
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//! \~russian Функциональность PIBinaryStream для PIIODevice.
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//! \~english See details \ref iostream
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//! \~russian Подробнее \ref iostream
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class PIP_EXPORT PIIOBinaryStream: public PIBinaryStream<PIIOBinaryStream> {
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public:
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//! \~english Contructs %PIIOBinaryStream for "device" device
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//! \~russian Создает %PIIOBinaryStream для устройства "device"
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PIIOBinaryStream(PIIODevice * device = nullptr): dev(device) {}
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//! \~english Assign "device" device
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//! \~russian Назначает устройство "device"
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void setDevice(PIIODevice * device) {
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dev = device;
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resetReadError();
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}
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bool binaryStreamAppendImp(const void * d, size_t s) {
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if (!dev) return false;
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return (dev->write(d, s) == (int)s);
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}
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bool binaryStreamTakeImp(void * d, size_t s) {
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if (!dev) return false;
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return (dev->read(d, s) == (int)s);
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}
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ssize_t binaryStreamSizeImp() const {
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if (!dev) return 0;
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return dev->bytesAvailable();
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}
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private:
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PIIODevice * dev = nullptr;
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};
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//! \ingroup IO
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//! \~\brief
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//! \~english PITextStream functionality for PIIODevice.
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//! \~russian Функциональность PITextStream для PIIODevice.
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class PIP_EXPORT PIIOTextStream: public PITextStream<PIIOBinaryStream> {
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public:
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//! \~english Contructs %PIIOTextStream for "device" device
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//! \~russian Создает %PIIOTextStream для устройства "device"
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PIIOTextStream(PIIODevice * device): PITextStream<PIIOBinaryStream>(&bin_stream), bin_stream(device) {}
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//! \~english Contructs %PIIOTextStream for "string" string
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//! \~russian Создает %PIIOTextStream для строки "string"
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PIIOTextStream(PIString * string): PITextStream<PIIOBinaryStream>(&bin_stream) {
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io_string = new PIIOString(string);
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bin_stream.setDevice(io_string);
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}
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~PIIOTextStream() {
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if (io_string) delete io_string;
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}
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void setDevice(PIIODevice * device) {
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bin_stream = PIIOBinaryStream(device);
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setStream(&bin_stream);
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}
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private:
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PIIOString * io_string = nullptr;
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PIIOBinaryStream bin_stream;
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};
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#endif // PIIOSTREAM_H
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