diff options
Diffstat (limited to 'fbreader/src/formats/pdb/PdbStream.cpp')
| -rw-r--r-- | fbreader/src/formats/pdb/PdbStream.cpp | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/fbreader/src/formats/pdb/PdbStream.cpp b/fbreader/src/formats/pdb/PdbStream.cpp deleted file mode 100644 index 219a0de..0000000 --- a/fbreader/src/formats/pdb/PdbStream.cpp +++ /dev/null @@ -1,109 +0,0 @@ -/* - * Copyright (C) 2004-2012 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 <cstring> - -#include <ZLFile.h> - -#include "PdbStream.h" - -PdbStream::PdbStream(const ZLFile &file) : myBase(file.inputStream()) { - myBuffer = 0; -} - -PdbStream::~PdbStream() { -} - -bool PdbStream::open() { - close(); - if (myBase.isNull() || !myBase->open() || !myHeader.read(myBase)) { - return false; - } - // myBase offset: startOffset + 78 + 8 * records number ( myHeader.Offsets.size() ) - - myBase->seek(myHeader.Offsets[0], true); - // myBase offset: Offset[0] - zero record - - myBufferLength = 0; - myBufferOffset = 0; - - myOffset = 0; - - return true; -} - -std::size_t PdbStream::read(char *buffer, std::size_t maxSize) { - std::size_t realSize = 0; - while (realSize < maxSize) { - if (!fillBuffer()) { - break; - } - std::size_t size = std::min((std::size_t)(maxSize - realSize), (std::size_t)(myBufferLength - myBufferOffset)); - - if (size > 0) { - if (buffer != 0) { - std::memcpy(buffer + realSize, myBuffer + myBufferOffset, size); - } - realSize += size; - myBufferOffset += size; - } - } - - myOffset += realSize; - return realSize; -} - -void PdbStream::close() { - if (!myBase.isNull()) { - myBase->close(); - } - if (myBuffer != 0) { - delete[] myBuffer; - myBuffer = 0; - } -} - -void PdbStream::seek(int offset, bool absoluteOffset) { - if (absoluteOffset) { - offset -= this->offset(); - } - if (offset > 0) { - read(0, offset); - } else if (offset < 0) { - offset += this->offset(); - open(); - if (offset >= 0) { - read(0, offset); - } - } -} - -std::size_t PdbStream::offset() const { - return myOffset; -} - -std::size_t PdbStream::sizeOfOpened() { - // TODO: implement - return 0; -} - -std::size_t PdbStream::recordOffset(std::size_t index) const { - return index < myHeader.Offsets.size() ? - myHeader.Offsets[index] : myBase->sizeOfOpened(); -} |
