mirror of
https://github.com/0xd4d/de4dot
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de4dot
51 lines
1.5 KiB
C#
51 lines
1.5 KiB
C#
/*
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Copyright (C) 2011-2015 de4dot@gmail.com
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This file is part of de4dot.
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de4dot 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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de4dot 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 de4dot. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System.Text;
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using dnlib.IO;
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namespace de4dot.code.deobfuscators.CodeVeil {
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static class DataReaderUtils {
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public static char[] ReadChars(ref DataReader reader, int length) {
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var chars = new char[length];
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for (int i = 0; i < length; i++)
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chars[i] = ReadChar(ref reader);
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return chars;
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}
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public static char ReadChar(ref DataReader reader) => ReadChar(ref reader, Encoding.UTF8);
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static char ReadChar(ref DataReader reader, Encoding encoding) {
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var decoder = encoding.GetDecoder();
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bool twoBytes = encoding is UnicodeEncoding;
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byte[] bytes = new byte[2];
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char[] chars = new char[1];
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while (true) {
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bytes[0] = reader.ReadByte();
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if (twoBytes)
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bytes[1] = reader.ReadByte();
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int x = decoder.GetChars(bytes, 0, twoBytes ? 2 : 1, chars, 0);
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if (x != 0)
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break;
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}
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return chars[0];
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}
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}
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}
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