70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/*
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Copyright (c) 2011-2012 - Tőkés Attila
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This file is part of SmtpClient for Qt.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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See the LICENSE file for more details.
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*/
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#include "quotedprintable.h"
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QString& QuotedPrintable::encode(const QByteArray &input)
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{
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QString *output = new QString();
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char byte;
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const char hex[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
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for (int i = 0; i < input.length() ; ++i)
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{
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byte = input[i];
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if ((byte == 0x20) || ((byte >= 33) && (byte <= 126) && (byte != 61)))
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{
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output->append(byte);
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}
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else
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{
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output->append('=');
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output->append(hex[((byte >> 4) & 0x0F)]);
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output->append(hex[(byte & 0x0F)]);
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}
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}
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return *output;
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}
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QByteArray& QuotedPrintable::decode(const QString &input)
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{
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// 0 1 2 3 4 5 6 7 8 9 : ; < = > ? @ A B C D E F
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const int hexVal[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, 0, 10, 11, 12, 13, 14, 15};
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QByteArray *output = new QByteArray();
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for (int i = 0; i < input.length(); ++i)
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{
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if (input.at(i).toLatin1() == '=')
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{
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output->append((hexVal[input.at(i + 1).toLatin1() - '0'] << 4) + hexVal[input.at(i + 2).toLatin1() - '0']);
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i += 2;
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}
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else
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{
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output->append(input.at(i).toLatin1());
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}
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}
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return *output;
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}
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