53 lines
1.9 KiB
Java
53 lines
1.9 KiB
Java
/*
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Copyright 2019-2020 Dmitry Isaenko
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This file is part of Konogonka.
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Konogonka 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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Konogonka 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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You should have received a copy of the GNU General Public License
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along with Konogonka. If not, see <https://www.gnu.org/licenses/>.
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*/
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package libKonogonka.Tools.NCA;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.util.Arrays;
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public class NCAHeaderTableEntry {
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private long mediaStartOffset;
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private long mediaEndOffset;
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private byte[] unknwn1;
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private byte[] unknwn2;
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public NCAHeaderTableEntry(byte[] table) throws Exception{
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if (table.length < 0x10)
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throw new Exception("Section Table size is too small.");
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this.mediaStartOffset = convertUnsignedIntBytesToLong(Arrays.copyOfRange(table, 0x0, 0x4));
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this.mediaEndOffset = convertUnsignedIntBytesToLong(Arrays.copyOfRange(table, 0x4, 0x8));
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this.unknwn1 = Arrays.copyOfRange(table, 0x8, 0xC);
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this.unknwn2 = Arrays.copyOfRange(table, 0xC, 0x10);
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}
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private long convertUnsignedIntBytesToLong(byte[] intBytes){
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if (intBytes.length == 4)
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return ByteBuffer.wrap(Arrays.copyOf(intBytes, 8)).order(ByteOrder.LITTLE_ENDIAN).getLong();
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else
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return -1;
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}
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public long getMediaStartOffset() { return mediaStartOffset; }
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public long getMediaEndOffset() { return mediaEndOffset; }
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public byte[] getUnknwn1() { return unknwn1; }
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public byte[] getUnknwn2() { return unknwn2; }
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} |