1 /****************************************************************************
3 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4 ** All rights reserved.
5 ** Contact: Nokia Corporation (qt-info@nokia.com)
7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** GNU Lesser General Public License Usage
11 ** This file may be used under the terms of the GNU Lesser General Public
12 ** License version 2.1 as published by the Free Software Foundation and
13 ** appearing in the file LICENSE.LGPL included in the packaging of this
14 ** file. Please review the following information to ensure the GNU Lesser
15 ** General Public License version 2.1 requirements will be met:
16 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
18 ** In addition, as a special exception, Nokia gives you certain additional
19 ** rights. These rights are described in the Nokia Qt LGPL Exception
20 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
24 ** Public License version 3.0 as published by the Free Software Foundation
25 ** and appearing in the file LICENSE.GPL included in the packaging of this
26 ** file. Please review the following information to ensure the GNU General
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31 ** Alternatively, this file may be used in accordance with the terms and
32 ** conditions contained in a signed written agreement between you and Nokia.
40 ****************************************************************************/
45 #include "qbuiltintypes_p.h"
46 #include "qvalidationerror_p.h"
48 #include "qbase64binary_p.h"
52 using namespace QPatternist;
54 Base64Binary::Base64Binary(const QByteArray &val) : m_value(val)
58 const char Base64Binary::Base64DecMap[128] =
60 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
61 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
62 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
63 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
64 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
65 0x00, 0x00, 0x00, 0x3E, 0x00, 0x00, 0x00, 0x3F,
66 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B,
67 0x3C, 0x3D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
68 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
69 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
70 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
71 0x17, 0x18, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00,
72 0x00, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20,
73 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
74 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30,
75 0x31, 0x32, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00
78 void Base64Binary::base64Decode(const QByteArray &in, QByteArray &out, bool &ok)
89 int len = in.size(), tail = len;
90 const char *const data = in.data();
91 unsigned int eqCount = 0;
93 // Find the tail end of the actual encoded data even if
94 // there is/are trailing CR and/or LF.
95 while(data[tail - 1] == '=')
110 unsigned int outIdx = 0;
111 const int count = len; // We modify len below
114 for(int idx = 0; idx < count; ++idx)
116 const unsigned char ch = data[idx];
117 if((ch > 47 && ch < 58) ||
118 (ch > 64 && ch < 91) ||
119 (ch > 96 && ch < 123) ||
123 out[outIdx++] = Base64DecMap[ch];
127 if((idx + 1) == count || data[idx + 1] == '=')
129 out[++outIdx] = Base64DecMap[ch];
138 /* One space is ok, and the previously applied whitespace facet(not implemented
139 * at this time of writing) have ensured it's only one space, so we assume that. */
159 // 4-byte to 3-byte conversion
160 len = (tail > (len / 4)) ? tail - (len / 4) : 0;
161 int sidx = 0, didx = 0;
164 while(didx < len - 2)
166 out[didx] =(((out[sidx] << 2) & 255) | ((out[sidx + 1] >> 4) & 003));
167 out[didx + 1] =(((out[sidx + 1] << 4) & 255) | ((out[sidx + 2] >> 2) & 017));
168 out[didx + 2] =(((out[sidx + 2] << 6) & 255) | (out[sidx + 3] & 077));
175 out[didx] =(((out[sidx] << 2) & 255) | ((out[sidx + 1] >> 4) & 003));
178 out[didx] =(((out[sidx + 1] << 4) & 255) | ((out[sidx + 2] >> 2) & 017));
180 // Resize the output buffer
181 if(len == 0 || len < out.size())
185 AtomicValue::Ptr Base64Binary::fromLexical(const QString &str)
187 const QString simple(str.simplified());
189 return AtomicValue::Ptr(new Base64Binary(QByteArray()));
193 base64Decode(simple.toUtf8(), result, ok);
196 return AtomicValue::Ptr(new Base64Binary(result));
198 return ValidationError::createError();
201 Base64Binary::Ptr Base64Binary::fromValue(const QByteArray &data)
203 return Base64Binary::Ptr(new Base64Binary(data));
206 QString Base64Binary::stringValue() const
208 return QString::fromLatin1(m_value.toBase64().constData());
211 ItemType::Ptr Base64Binary::type() const
213 return BuiltinTypes::xsBase64Binary;