QCA::Hex

#include <QtCrypto>

Inheritance diagram for QCA::Hex:

Public Member Functions

 Hex (Direction dir=Encode)
 
void clear () override
 
MemoryRegion final () override
 
bool ok () const override
 
MemoryRegion update (const MemoryRegion &a) override
 
- Public Member Functions inherited from QCA::TextFilter
 TextFilter (Direction dir)
 
QString arrayToString (const MemoryRegion &a)
 
MemoryRegion decode (const MemoryRegion &a)
 
QString decodeString (const QString &s)
 
Direction direction () const
 
MemoryRegion encode (const MemoryRegion &a)
 
QString encodeString (const QString &s)
 
void setup (Direction dir)
 
MemoryRegion stringToArray (const QString &s)
 
- Public Member Functions inherited from QCA::Filter
MemoryRegion process (const MemoryRegion &a)
 

Additional Inherited Members

- Protected Attributes inherited from QCA::TextFilter
Direction _dir
 

Detailed Description

Hexadecimal encoding / decoding.

Examples:
hextest.cpp, and randomtest.cpp.

Definition at line 164 of file qca_textfilter.h.

Constructor & Destructor Documentation

QCA::Hex::Hex ( Direction  dir = Encode)

Standard constructor.

Parameters
dirthe Direction that should be used.
Note
The direction can be changed using the setup() call.

Member Function Documentation

void QCA::Hex::clear ( )
overridevirtual

Reset the internal state.

This is useful to reuse an existing Hex object

Implements QCA::Filter.

MemoryRegion QCA::Hex::final ( )
overridevirtual

Complete the algorithm.

Returns
any remaining output. Because of the way hexadecimal encoding works, this will return a zero length array - any output will have been returned from the update() call.

Implements QCA::Filter.

bool QCA::Hex::ok ( ) const
overridevirtual

Test if an update() or final() call succeeded.

Returns
true if the previous call succeeded

Implements QCA::Filter.

MemoryRegion QCA::Hex::update ( const MemoryRegion a)
overridevirtual

Process more data, returning the corresponding encoded or decoded (depending on the Direction set in the constructor or setup() call) representation.

If you find yourself with code that only calls this method once, you might be better off using encode() or decode(). Similarly, if the data is really a string, you might be better off using arrayToString(), encodeString(), stringToArray() or decodeString().

Parameters
athe array containing data to process

Implements QCA::Filter.


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