87 lines
3.1 KiB
C#
87 lines
3.1 KiB
C#
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/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy 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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dnSpy 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 dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Text;
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namespace dnSpy.Debugger.DotNet.CorDebug.Impl {
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static partial class AppHostInfoData {
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public static readonly Encoding StringEncoding = Encoding.ASCII;
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public static readonly AppHostInfo[] KnownAppHostInfos = CreateAppHostInfos(GetSerializedAppHostInfos(), SerializedAppHostInfosCount);
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static AppHostInfo[] CreateAppHostInfos(byte[] serializedData, int elemCount) {
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var result = new AppHostInfo[elemCount];
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int resultIndex = 0;
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if (serializedData.Length != 0) {
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int o = 0;
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#if APPHOSTINFO_STRINGS
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uint numStrings = DeserializeCompressedUInt32(serializedData, ref o);
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var stringsTable = new string[numStrings];
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for (uint i = 0; i < stringsTable.Length; i++)
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stringsTable[i] = DeserializeString(serializedData, ref o);
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#endif
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while (o != serializedData.Length) {
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#if APPHOSTINFO_STRINGS
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var rid = stringsTable[DeserializeCompressedUInt32(serializedData, ref o)];
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var version = stringsTable[DeserializeCompressedUInt32(serializedData, ref o)];
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#endif
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var relPathOffset = DeserializeCompressedUInt32(serializedData, ref o);
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var hashDataOffset = DeserializeCompressedUInt32(serializedData, ref o);
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const uint hashDataSize = AppHostInfo.DefaultHashSize;
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var hash = DeserializeByteArray(serializedData, ref o, 20);
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var lastByte = serializedData[o++];
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result[resultIndex++] = new AppHostInfo(
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#if APPHOSTINFO_STRINGS
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rid, version,
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#endif
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relPathOffset, hashDataOffset, hashDataSize, hash, lastByte);
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}
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}
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if (resultIndex != result.Length)
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throw new InvalidOperationException($"Invalid serialized AppHostInfo count, expected: {elemCount}, actual: {resultIndex}");
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return result;
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}
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internal static string DeserializeString(byte[] data, ref int o) {
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int length = data[o];
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var s = StringEncoding.GetString(data, o + 1, length);
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o += length + 1;
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return s;
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}
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internal static uint DeserializeCompressedUInt32(byte[] data, ref int o) {
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uint result = 0;
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for (int shift = 0; shift < 32; shift += 7) {
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uint b = data[o++];
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if ((b & 0x80) == 0)
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return result | (b << shift);
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result |= (b & 0x7F) << shift;
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}
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throw new InvalidOperationException();
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}
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static byte[] DeserializeByteArray(byte[] data, ref int o, int length) {
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var result = new byte[length];
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Array.Copy(data, o, result, 0, result.Length);
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o += length;
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return result;
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}
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}
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}
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