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48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
/****************************************************************************
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* Copyright (C) 2016-2021 Maschell
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*
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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 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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*
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU 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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#include "FST.h"
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FST::FST(uint8_t *data, uint32_t fstSize, uint32_t offset, const VolumeBlockSize &blockSize) {
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uint32_t curOffset = offset;
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header = new FSTHeader(data + curOffset);
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curOffset += header->LENGTH;
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sectionEntries = new SectionEntries(data + curOffset, header->numberOfSections, blockSize);
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curOffset += sectionEntries->getSizeInBytes();
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uint32_t lastEntryNumber = RootEntry::parseLastEntryNumber(data, curOffset);
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auto stringTableOffset = curOffset + (lastEntryNumber * 16);
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stringTable = StringTable::parseData(data, fstSize - stringTableOffset, stringTableOffset, lastEntryNumber);
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nodeEntries = NodeEntries::parseData(data, curOffset, sectionEntries, stringTable, header->blockSize);
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}
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FST::~FST() {
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delete nodeEntries;
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delete stringTable;
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delete sectionEntries;
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delete header;
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}
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RootEntry *FST::getRootEntry() const {
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return nodeEntries->rootEntry;
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}
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