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sdrangel/sdrbase/util/simpleserializer.h
2016-03-08 04:54:12 +01:00

113 lines
2.7 KiB
C++

#ifndef INCLUDE_SIMPLESERIALIZER_H
#define INCLUDE_SIMPLESERIALIZER_H
#include <QString>
#include <QMap>
#include "dsp/dsptypes.h"
#include "util/export.h"
class SDRANGEL_API SimpleSerializer {
public:
SimpleSerializer(quint32 version);
void writeS32(quint32 id, qint32 value);
void writeU32(quint32 id, quint32 value);
void writeS64(quint32 id, qint64 value);
void writeU64(quint32 id, quint64 value);
void writeFloat(quint32 id, float value);
void writeDouble(quint32 id, double value);
void writeReal(quint32 id, Real value)
{
if(sizeof(Real) == 4)
writeFloat(id, value);
else writeDouble(id, value);
}
void writeBool(quint32 id, bool value);
void writeString(quint32 id, const QString& value);
void writeBlob(quint32 id, const QByteArray& value);
const QByteArray& final();
protected:
enum Type {
TSigned32 = 0,
TUnsigned32 = 1,
TSigned64 = 2,
TUnsigned64 = 3,
TFloat = 4,
TDouble = 5,
TBool = 6,
TString = 7,
TBlob = 8,
TVersion = 9
};
QByteArray m_data;
bool m_finalized;
bool writeTag(Type type, quint32 id, quint32 length);
};
class SDRANGEL_API SimpleDeserializer {
public:
SimpleDeserializer(const QByteArray& data);
bool readS32(quint32 id, qint32* result, qint32 def = 0) const;
bool readU32(quint32 id, quint32* result, quint32 def = 0) const;
bool readS64(quint32 id, qint64* result, qint64 def = 0) const;
bool readU64(quint32 id, quint64* result, quint64 def = 0) const;
bool readFloat(quint32 id, float* result, float def = 0) const;
bool readDouble(quint32 id, double* result, double def = 0) const;
bool readReal(quint32 id, Real* result, Real def = 0) const;
bool readBool(quint32 id, bool* result, bool def = false) const;
bool readString(quint32 id, QString* result, const QString& def = QString::null) const;
bool readBlob(quint32 id, QByteArray* result, const QByteArray& def = QByteArray()) const;
bool isValid() const { return m_valid; }
quint32 getVersion() const { return m_version; }
void dump() const;
private:
enum Type {
TSigned32 = 0,
TUnsigned32 = 1,
TSigned64 = 2,
TUnsigned64 = 3,
TFloat = 4,
TDouble = 5,
TBool = 6,
TString = 7,
TBlob = 8,
TVersion = 9
};
struct Element {
Type type;
quint32 ofs;
quint32 length;
Element(Type _type, quint32 _ofs, quint32 _length) :
type(_type),
ofs(_ofs),
length(_length)
{ }
};
typedef QMap<quint32, Element> Elements;
QByteArray m_data;
bool m_valid;
Elements m_elements;
quint32 m_version;
bool parseAll();
bool readTag(uint* readOfs, uint readEnd, Type* type, quint32* id, quint32* length) const;
quint8 readByte(uint* readOfs) const
{
quint8 res = m_data[*readOfs];
(*readOfs)++;
return res;
}
};
#endif // INCLUDE_SIMPLESERIALIZER_H