summaryrefslogtreecommitdiffstats
path: root/src/corelib
diff options
context:
space:
mode:
Diffstat (limited to 'src/corelib')
-rw-r--r--src/corelib/global/global.pri1
-rw-r--r--src/corelib/global/qendian_p.h141
-rw-r--r--src/corelib/json/qjson.cpp13
-rw-r--r--src/corelib/json/qjson_p.h38
4 files changed, 147 insertions, 46 deletions
diff --git a/src/corelib/global/global.pri b/src/corelib/global/global.pri
index a087452d06..efc7f3cd22 100644
--- a/src/corelib/global/global.pri
+++ b/src/corelib/global/global.pri
@@ -9,6 +9,7 @@ HEADERS += \
global/qprocessordetection.h \
global/qnamespace.h \
global/qendian.h \
+ global/qendian_p.h \
global/qnumeric_p.h \
global/qnumeric.h \
global/qfloat16_p.h \
diff --git a/src/corelib/global/qendian_p.h b/src/corelib/global/qendian_p.h
new file mode 100644
index 0000000000..b279701a31
--- /dev/null
+++ b/src/corelib/global/qendian_p.h
@@ -0,0 +1,141 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtCore 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QENDIAN_P_H
+#define QENDIAN_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qendian.h"
+
+QT_BEGIN_NAMESPACE
+
+template<class S>
+class QSpecialInteger
+{
+ typedef typename S::StorageType T;
+ T val;
+public:
+ QSpecialInteger() = default;
+ explicit Q_DECL_CONSTEXPR QSpecialInteger(T i) : val(S::toSpecial(i)) {}
+
+ QSpecialInteger &operator =(T i) { val = S::toSpecial(i); return *this; }
+ operator T() const { return S::fromSpecial(val); }
+
+ bool operator ==(QSpecialInteger<S> i) const { return val == i.val; }
+ bool operator !=(QSpecialInteger<S> i) const { return val != i.val; }
+
+ QSpecialInteger &operator +=(T i)
+ { return (*this = S::fromSpecial(val) + i); }
+ QSpecialInteger &operator -=(T i)
+ { return (*this = S::fromSpecial(val) - i); }
+ QSpecialInteger &operator *=(T i)
+ { return (*this = S::fromSpecial(val) * i); }
+ QSpecialInteger &operator >>=(T i)
+ { return (*this = S::fromSpecial(val) >> i); }
+ QSpecialInteger &operator <<=(T i)
+ { return (*this = S::fromSpecial(val) << i); }
+ QSpecialInteger &operator /=(T i)
+ { return (*this = S::fromSpecial(val) / i); }
+ QSpecialInteger &operator %=(T i)
+ { return (*this = S::fromSpecial(val) % i); }
+ QSpecialInteger &operator |=(T i)
+ { return (*this = S::fromSpecial(val) | i); }
+ QSpecialInteger &operator &=(T i)
+ { return (*this = S::fromSpecial(val) & i); }
+ QSpecialInteger &operator ^=(T i)
+ { return (*this = S::fromSpecial(val) ^ i); }
+};
+
+template<typename T>
+class QLittleEndianStorageType {
+public:
+ typedef T StorageType;
+ static Q_DECL_CONSTEXPR T toSpecial(T source) { return qToLittleEndian(source); }
+ static Q_DECL_CONSTEXPR T fromSpecial(T source) { return qFromLittleEndian(source); }
+};
+
+template<typename T>
+class QBigEndianStorageType {
+public:
+ typedef T StorageType;
+ static Q_DECL_CONSTEXPR T toSpecial(T source) { return qToBigEndian(source); }
+ static Q_DECL_CONSTEXPR T fromSpecial(T source) { return qFromBigEndian(source); }
+};
+
+template<typename T>
+using QLEInteger = QSpecialInteger<QLittleEndianStorageType<T>>;
+
+template<typename T>
+using QBEInteger = QSpecialInteger<QBigEndianStorageType<T>>;
+
+template <typename T>
+class QTypeInfo<QLEInteger<T> >
+ : public QTypeInfoMerger<QLEInteger<T>, T> {};
+
+template <typename T>
+class QTypeInfo<QBEInteger<T> >
+ : public QTypeInfoMerger<QBEInteger<T>, T> {};
+
+typedef QLEInteger<qint16> qint16_le;
+typedef QLEInteger<qint32> qint32_le;
+typedef QLEInteger<qint64> qint64_le;
+typedef QLEInteger<quint16> quint16_le;
+typedef QLEInteger<quint32> quint32_le;
+typedef QLEInteger<quint64> quint64_le;
+
+typedef QBEInteger<qint16> qint16_be;
+typedef QBEInteger<qint32> qint32_be;
+typedef QBEInteger<qint64> qint64_be;
+typedef QBEInteger<quint16> quint16_be;
+typedef QBEInteger<quint32> quint32_be;
+typedef QBEInteger<quint64> quint64_be;
+
+QT_END_NAMESPACE
+
+#endif // QENDIAN_P_H
diff --git a/src/corelib/json/qjson.cpp b/src/corelib/json/qjson.cpp
index d509349a51..e4bca3bcd0 100644
--- a/src/corelib/json/qjson.cpp
+++ b/src/corelib/json/qjson.cpp
@@ -45,15 +45,8 @@ QT_BEGIN_NAMESPACE
namespace QJsonPrivate
{
-#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN
-#define Q_TO_LITTLE_ENDIAN(x) (x)
-#else
-#define Q_TO_LITTLE_ENDIAN(x) ( ((x & 0xff) << 24) | ((x & 0xff00) << 8) | ((x & 0xff0000) >> 8) | ((x & 0xff000000) >> 24) )
-#endif
-
-static const Base emptyArray = { { Q_TO_LITTLE_ENDIAN(sizeof(Base)) }, { 0 }, { 0 } };
-static const Base emptyObject = { { Q_TO_LITTLE_ENDIAN(sizeof(Base)) }, { 0 }, { 0 } };
-
+static Q_CONSTEXPR Base emptyArray = { { qle_uint(sizeof(Base)) }, { 0 }, { qle_uint(0) } };
+static Q_CONSTEXPR Base emptyObject = { { qle_uint(sizeof(Base)) }, { 0 }, { qle_uint(0) } };
void Data::compact()
{
@@ -394,7 +387,7 @@ int Value::requiredStorage(QJsonValue &v, bool *compressed)
v.d->compact();
v.base = static_cast<QJsonPrivate::Base *>(v.d->header->root());
}
- return v.base ? v.base->size : sizeof(QJsonPrivate::Base);
+ return v.base ? uint(v.base->size) : sizeof(QJsonPrivate::Base);
case QJsonValue::Undefined:
case QJsonValue::Null:
case QJsonValue::Bool:
diff --git a/src/corelib/json/qjson_p.h b/src/corelib/json/qjson_p.h
index c012ec2662..5d600843aa 100644
--- a/src/corelib/json/qjson_p.h
+++ b/src/corelib/json/qjson_p.h
@@ -61,6 +61,7 @@
#include <qendian.h>
#include <qnumeric.h>
+#include "private/qendian_p.h"
#include "private/qsimd_p.h"
#include <limits.h>
@@ -131,42 +132,7 @@ class Value;
class Entry;
template<typename T>
-class q_littleendian
-{
-public:
- T val;
-
- q_littleendian &operator =(T i) { val = qToLittleEndian(i); return *this; }
- operator T() const { return qFromLittleEndian(val); }
-
- bool operator ==(T i) { return qFromLittleEndian(val) == i; }
- bool operator !=(T i) { return qFromLittleEndian(val) != i; }
- bool operator ==(q_littleendian<T> i) { return val == i.val; }
- bool operator !=(q_littleendian<T> i) { return val != i.val; }
- bool operator <(T i) { return qFromLittleEndian(val) < i; }
- bool operator >(T i) { return qFromLittleEndian(val) > i; }
- bool operator <=(T i) { return qFromLittleEndian(val) <= i; }
- bool operator >=(T i) { return qFromLittleEndian(val) >= i; }
- q_littleendian &operator +=(T i) {
- val = qToLittleEndian(qFromLittleEndian(val) + i);
- return *this;
- }
- q_littleendian &operator |=(T i) {
- val = qToLittleEndian(qFromLittleEndian(val) | i);
- return *this;
- }
- q_littleendian &operator &=(T i) {
- val = qToLittleEndian(qFromLittleEndian(val) & i);
- return *this;
- }
-};
-} // namespace QJsonPrivate
-
-template <typename T>
-class QTypeInfo<QJsonPrivate::q_littleendian<T> >
- : public QTypeInfoMerger<QJsonPrivate::q_littleendian<T>, T> {};
-
-namespace QJsonPrivate {
+using q_littleendian = QLEInteger<T>;
typedef q_littleendian<short> qle_short;
typedef q_littleendian<unsigned short> qle_ushort;