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Пелипенко Иван
2022-12-14 14:13:52 +03:00
parent 430a41fefc
commit c2b8a8d6da
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88
libs/main/io_devices/piiobytearray.h
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@@ -5,22 +5,22 @@
* \~russian Обертка PIIODevice вокруг PIByteArray
*/
/*
PIP - Platform Independent Primitives
PIIODevice wrapper around PIByteArray
Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
PIP - Platform Independent Primitives
PIIODevice wrapper around PIByteArray
Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
This program 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.
This program 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.
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PIIOBYTEARRAY_H
@@ -33,71 +33,81 @@
//! \~\brief
//! \~english PIIODevice wrapper around PIByteArray
//! \~russian Обёртка PIIODevice вокруг PIByteArray
class PIP_EXPORT PIIOByteArray: public PIIODevice
{
class PIP_EXPORT PIIOByteArray: public PIIODevice {
PIIODEVICE(PIIOByteArray, "");
public:
//! \~english Contructs %PIIOByteArray with "buffer" content and "mode" open mode
//! \~russian Создает %PIIOByteArray с содержимым "buffer" и режимом открытия "mode"
explicit PIIOByteArray(PIByteArray * buffer = 0, PIIODevice::DeviceMode mode = PIIODevice::ReadWrite);
//! \~english Contructs %PIIOByteArray with "buffer" content only for read
//! \~russian Создает %PIIOByteArray с содержимым "buffer" только для чтения
explicit PIIOByteArray(const PIByteArray & buffer);
//! \~english Returns content
//! \~russian Возвращает содержимое
PIByteArray * byteArray() const {return data_;}
PIByteArray * byteArray() const { return data_; }
//! \~english Clear content buffer
//! \~russian Очищает содержимое буфера
void clear() {if (data_) data_->clear(); pos = 0;}
void clear() {
if (data_) data_->clear();
pos = 0;
}
//! \~english Open "buffer" content with "mode" open mode
//! \~russian Открывает содержимое "buffer" с режимом открытия "mode"
bool open(PIByteArray * buffer, PIIODevice::DeviceMode mode = PIIODevice::ReadWrite);
//! \~english Open "buffer" content only for read
//! \~russian Открывает содержимое "buffer" только для чтения
bool open(const PIByteArray & buffer);
//! \~english Returns if position is at the end of content
//! \~russian Возвращает в конце содержимого ли позиция
bool isEnd() const {if (!data_) return true; return pos >= data_->size_s();}
bool isEnd() const {
if (!data_) return true;
return pos >= data_->size_s();
}
//! \~english Move read/write position to "position"
//! \~russian Перемещает позицию чтения/записи на "position"
void seek(llong position) {pos = position;}
void seek(llong position) { pos = position; }
//! \~english Move read/write position to the beginning of the buffer
//! \~russian Перемещает позицию чтения/записи на начало буфера
void seekToBegin() {if (data_) pos = 0;}
void seekToBegin() {
if (data_) pos = 0;
}
//! \~english Move read/write position to the end of the buffer
//! \~russian Перемещает позицию чтения/записи на конец буфера
void seekToEnd() {if (data_) pos = data_->size_s();}
void seekToEnd() {
if (data_) pos = data_->size_s();
}
//! \~english Insert data "ba" into content at current position
//! \~russian Вставляет данные "ba" в содержимое буфера в текущую позицию
int writeByteArray(const PIByteArray & ba);
ssize_t bytesAvailable() const override {
if (data_) return data_->size();
else return 0;
if (data_)
return data_->size();
else
return 0;
}
protected:
bool openDevice() override;
ssize_t readDevice(void * read_to, ssize_t size) override;
ssize_t writeDevice(const void * data_, ssize_t size) override;
DeviceInfoFlags deviceInfoFlags() const override {return PIIODevice::Sequential | PIIODevice::Reliable;}
DeviceInfoFlags deviceInfoFlags() const override { return PIIODevice::Sequential | PIIODevice::Reliable; }
ssize_t pos;
PIByteArray * data_;
};
#endif // PIIOBYTEARRAY_H