Class DefaultHash

class DefaultHash;

Description

A set of common hashing functions for frequently occurring types.

Members

Defined in DefaultHash:

• Des16(const TDesC16 &) Calculate a 32 bit hash from a 16 bit descriptor.
• Des16Ptr(TDesC16 *const &) Calculate a 32 bit hash from a TDesC16 pointer.
• Des8(const TDesC8 &) Calculate a 32 bit hash from an 8 bit descriptor.
• Des8Ptr(TDesC8 *const &) Calculate a 32 bit hash from a TDesC8 pointer.
• Integer(const TInt &) Calculate a 32 bit hash from a 32 bit integer.
• IntegerPtr(TInt *const &) Calculate a 32 bit hash from a TInt pointer.

See also:

• RHashSetA templated class which implements an unordered extensional set of objects of ty...
• RPtrHashSetA templated class which implements an unordered extensional set of objects of ty...
• RHashMapA templated class which implements an associative array with key type K and valu...
• RPtrHashMapA templated class which implements an associative array with key type K and valu...

IMPORT_C static TUint32 Integer(const TInt &);

Description

Calculate a 32 bit hash from a 32 bit integer.

Parameters

const TInt &

Return value

TUint32 The calculated 32 bit hash value.

IMPORT_C static TUint32 Des8(const TDesC8 &);

Description

Calculate a 32 bit hash from an 8 bit descriptor.

Parameters

const TDesC8 & The descriptor to be hashed.

Return value

TUint32 The calculated 32 bit hash value.

IMPORT_C static TUint32 Des16(const TDesC16 &);

Description

Calculate a 32 bit hash from a 16 bit descriptor.

Parameters

const TDesC16 & The descriptor to be hashed.

Return value

TUint32 The calculated 32 bit hash value.

IMPORT_C static TUint32 IntegerPtr(TInt *const &);

Description

Calculate a 32 bit hash from a TInt pointer.

Parameters

TInt *const & The TInt pointer to be hashed.

Return value

TUint32 The calculated 32 bit hash value.

IMPORT_C static TUint32 Des8Ptr(TDesC8 *const &);

Description

Calculate a 32 bit hash from a TDesC8 pointer.

Parameters

TDesC8 *const & The TDesC8 pointer to be hashed.

Return value

TUint32 The calculated 32 bit hash value.

IMPORT_C static TUint32 Des16Ptr(TDesC16 *const &);

Description

Calculate a 32 bit hash from a TDesC16 pointer.

Parameters

TDesC16 *const & The TDesC16 pointer to be hashed.

Return value

TUint32 The calculated 32 bit hash value.