| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #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 |