diff options
Diffstat (limited to 'fbreader/src/formats/util/MergedStream.cpp')
| -rw-r--r-- | fbreader/src/formats/util/MergedStream.cpp | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/fbreader/src/formats/util/MergedStream.cpp b/fbreader/src/formats/util/MergedStream.cpp deleted file mode 100644 index 1a26a33..0000000 --- a/fbreader/src/formats/util/MergedStream.cpp +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Copyright (C) 2008-2012 Geometer Plus <contact@geometerplus.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#include "MergedStream.h" - -bool MergedStream::open() { - close(); - resetToStart(); - myOffset = 0; - myCurrentStream = nextStream(); - return !myCurrentStream.isNull() && myCurrentStream->open(); -} - -std::size_t MergedStream::read(char *buffer, std::size_t maxSize) { - std::size_t bytesToRead = maxSize; - while ((bytesToRead > 0) && !myCurrentStream.isNull()) { - std::size_t len = myCurrentStream->read(buffer, bytesToRead); - bytesToRead -= len; - if (buffer != 0) { - buffer += len; - } - if (bytesToRead != 0) { - if (buffer != 0) { - *buffer++ = '\n'; - } - bytesToRead--; - myCurrentStream = nextStream(); - if (myCurrentStream.isNull() || !myCurrentStream->open()) { - break; - } - } - } - myOffset += maxSize - bytesToRead; - return maxSize - bytesToRead; -} - -void MergedStream::close() { - myCurrentStream.reset(); -} - -void MergedStream::seek(int offset, bool absoluteOffset) { - // works for nonnegative offsets only - if (absoluteOffset) { - offset -= myOffset; - } - read(0, offset); -} - -std::size_t MergedStream::offset() const { - return myOffset; -} - -std::size_t MergedStream::sizeOfOpened() { - // coudn't be implemented - return 0; -} |
