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Add Qt libs and headers
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√(noham)²
174
paho-mqtt3as-proxy/Qt/include/QtCore/qcborstreamreader.h
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174
paho-mqtt3as-proxy/Qt/include/QtCore/qcborstreamreader.h
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// Copyright (C) 2018 Intel Corporation.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
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#ifndef QCBORSTREAMREADER_H
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#define QCBORSTREAMREADER_H
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#include <QtCore/qbytearray.h>
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#include <QtCore/qcborcommon.h>
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#include <QtCore/qfloat16.h>
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#include <QtCore/qscopedpointer.h>
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#include <QtCore/qstring.h>
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#include <QtCore/qstringview.h>
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QT_REQUIRE_CONFIG(cborstreamreader);
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/* X11 headers use these values too, but as defines */
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#if defined(False) && defined(True)
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# undef True
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# undef False
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#endif
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QT_BEGIN_NAMESPACE
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class QIODevice;
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class QCborStreamReaderPrivate;
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class Q_CORE_EXPORT QCborStreamReader
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{
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Q_GADGET
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public:
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enum Type : quint8 {
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UnsignedInteger = 0x00,
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NegativeInteger = 0x20,
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ByteString = 0x40,
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ByteArray = ByteString,
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TextString = 0x60,
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String = TextString,
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Array = 0x80,
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Map = 0xa0,
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Tag = 0xc0,
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SimpleType = 0xe0,
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HalfFloat = 0xf9,
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Float16 = HalfFloat,
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Float = 0xfa,
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Double = 0xfb,
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Invalid = 0xff
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};
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Q_ENUM(Type)
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enum StringResultCode {
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EndOfString = 0,
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Ok = 1,
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Error = -1
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};
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template <typename Container> struct StringResult {
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Container data;
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StringResultCode status = Error;
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};
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Q_ENUM(StringResultCode)
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QCborStreamReader();
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QCborStreamReader(const char *data, qsizetype len);
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QCborStreamReader(const quint8 *data, qsizetype len);
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explicit QCborStreamReader(const QByteArray &data);
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explicit QCborStreamReader(QIODevice *device);
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~QCborStreamReader();
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Q_DISABLE_COPY(QCborStreamReader)
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void setDevice(QIODevice *device);
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QIODevice *device() const;
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void addData(const QByteArray &data);
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void addData(const char *data, qsizetype len);
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void addData(const quint8 *data, qsizetype len)
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{ addData(reinterpret_cast<const char *>(data), len); }
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void reparse();
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void clear();
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void reset();
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QCborError lastError();
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qint64 currentOffset() const;
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bool isValid() const { return !isInvalid(); }
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int containerDepth() const;
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QCborStreamReader::Type parentContainerType() const;
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bool hasNext() const noexcept Q_DECL_PURE_FUNCTION;
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bool next(int maxRecursion = 10000);
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Type type() const { return QCborStreamReader::Type(type_); }
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bool isUnsignedInteger() const { return type() == UnsignedInteger; }
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bool isNegativeInteger() const { return type() == NegativeInteger; }
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bool isInteger() const { return quint8(type()) <= quint8(NegativeInteger); }
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bool isByteArray() const { return type() == ByteArray; }
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bool isString() const { return type() == String; }
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bool isArray() const { return type() == Array; }
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bool isMap() const { return type() == Map; }
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bool isTag() const { return type() == Tag; }
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bool isSimpleType() const { return type() == SimpleType; }
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bool isFloat16() const { return type() == Float16; }
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bool isFloat() const { return type() == Float; }
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bool isDouble() const { return type() == Double; }
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bool isInvalid() const { return type() == Invalid; }
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bool isSimpleType(QCborSimpleType st) const { return isSimpleType() && toSimpleType() == st; }
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bool isFalse() const { return isSimpleType(QCborSimpleType::False); }
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bool isTrue() const { return isSimpleType(QCborSimpleType::True); }
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bool isBool() const { return isFalse() || isTrue(); }
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bool isNull() const { return isSimpleType(QCborSimpleType::Null); }
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bool isUndefined() const { return isSimpleType(QCborSimpleType::Undefined); }
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bool isLengthKnown() const noexcept Q_DECL_PURE_FUNCTION;
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quint64 length() const;
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bool isContainer() const { return isMap() || isArray(); }
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bool enterContainer() { Q_ASSERT(isContainer()); return _enterContainer_helper(); }
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bool leaveContainer();
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StringResult<QString> readString() { Q_ASSERT(isString()); return _readString_helper(); }
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StringResult<QByteArray> readByteArray(){ Q_ASSERT(isByteArray()); return _readByteArray_helper(); }
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qsizetype currentStringChunkSize() const{ Q_ASSERT(isString() || isByteArray()); return _currentStringChunkSize(); }
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StringResult<qsizetype> readStringChunk(char *ptr, qsizetype maxlen);
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bool toBool() const { Q_ASSERT(isBool()); return value64 - int(QCborSimpleType::False); }
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QCborTag toTag() const { Q_ASSERT(isTag()); return QCborTag(value64); }
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quint64 toUnsignedInteger() const { Q_ASSERT(isUnsignedInteger()); return value64; }
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QCborNegativeInteger toNegativeInteger() const { Q_ASSERT(isNegativeInteger()); return QCborNegativeInteger(value64 + 1); }
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QCborSimpleType toSimpleType() const{ Q_ASSERT(isSimpleType()); return QCborSimpleType(value64); }
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qfloat16 toFloat16() const { Q_ASSERT(isFloat16()); return _toFloatingPoint<qfloat16>(); }
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float toFloat() const { Q_ASSERT(isFloat()); return _toFloatingPoint<float>(); }
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double toDouble() const { Q_ASSERT(isDouble()); return _toFloatingPoint<double>(); }
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qint64 toInteger() const
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{
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Q_ASSERT(isInteger());
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qint64 v = qint64(value64);
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if (isNegativeInteger())
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return -v - 1;
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return v;
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}
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private:
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void preparse();
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bool _enterContainer_helper();
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StringResult<QString> _readString_helper();
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StringResult<QByteArray> _readByteArray_helper();
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qsizetype _currentStringChunkSize() const;
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template <typename FP> FP _toFloatingPoint() const noexcept
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{
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using UIntFP = typename QIntegerForSizeof<FP>::Unsigned;
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UIntFP u = UIntFP(value64);
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FP f;
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memcpy(static_cast<void *>(&f), &u, sizeof(f));
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return f;
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}
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friend QCborStreamReaderPrivate;
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friend class QCborContainerPrivate;
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quint64 value64;
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QScopedPointer<QCborStreamReaderPrivate> d;
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quint8 type_;
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quint8 reserved[3] = {};
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};
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QT_END_NAMESPACE
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#if defined(QT_X11_DEFINES_FOUND)
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# define True 1
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# define False 0
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#endif
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#endif // QCBORSTREAMREADER_H
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