1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGlobal>
#include "qbase64binary_p.h"
#include "qbuiltintypes_p.h"
#include "qpatternistlocale_p.h"
#include "qvalidationerror_p.h"
#include "qhexbinary_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
HexBinary::HexBinary(const QByteArray &val) : Base64Binary(val)
{
}
qint8 HexBinary::fromHex(const QChar &c)
{
if(c.unicode() > 'f')
return -1;
const char *const range = "0123456789ABCDEFabcdef";
const char *const in = strchr(range, c.unicode());
if(!in)
return -1;
/* Pointer arithmetic. */
int digit = in - range;
if(digit > 15)
digit -= 6;
return digit;
}
AtomicValue::Ptr HexBinary::fromLexical(const NamePool::Ptr &np, const QString &str)
{
const QString lexical(str.trimmed());
const int len = lexical.length();
if(len == 0)
return AtomicValue::Ptr(new HexBinary(QByteArray()));
if((len & 1) != 0)
{
/* Catch a common case. */
return ValidationError::createError(QtXmlPatterns::tr(
"A value of type %1 must contain an even number of "
"digits. The value %2 does not.")
.arg(formatType(np, BuiltinTypes::xsHexBinary),
formatData(QString::number(len))));
}
QByteArray val;
val.resize(len / 2);
for(int i = 0; i < len / 2; ++i)
{
qint8 p1 = fromHex(lexical[i * 2]);
qint8 p2 = fromHex(lexical[i * 2 + 1]);
if(p1 == -1 || p2 == -1)
{
const QString hex(QString::fromLatin1("%1%2").arg(lexical[i * 2], lexical[i * 2 + 1]));
return ValidationError::createError(QtXmlPatterns::tr(
"%1 is not valid as a value of type %2.")
.arg(formatData(hex),
formatType(np, BuiltinTypes::xsHexBinary)));
}
val[i] = static_cast<char>(p1 * 16 + p2);
}
Q_ASSERT(!val.isEmpty());
return AtomicValue::Ptr(new HexBinary(val));
}
HexBinary::Ptr HexBinary::fromValue(const QByteArray &data)
{
return HexBinary::Ptr(new HexBinary(data));
}
QString HexBinary::stringValue() const
{
static const char s_toHex[] = "0123456789ABCDEF";
const int len = m_value.count();
QString result;
result.reserve(len * 2);
for(int i = 0; i < len; ++i)
{
// This cast is significant.
const unsigned char val = static_cast<unsigned char>(m_value.at(i));
result += QLatin1Char(s_toHex[val >> 4]);
result += QLatin1Char(s_toHex[val & 0x0F]);
}
return result;
}
ItemType::Ptr HexBinary::type() const
{
return BuiltinTypes::xsHexBinary;
}
QT_END_NAMESPACE
|
