diff -r 845b5ae03841 -r 04dd8b7fb605 misc/quazip/quachecksum32.h --- a/misc/quazip/quachecksum32.h Sun Nov 18 00:37:23 2012 +0400 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,54 +0,0 @@ -#ifndef QUACHECKSUM32_H -#define QUACHECKSUM32_H - -#include -#include "quazip_global.h" - -/// Checksum interface. -/** \class QuaChecksum32 quachecksum32.h - * This is an interface for 32 bit checksums. - * Classes implementing this interface can calcunate a certin - * checksum in a single step: - * \code - * QChecksum32 *crc32 = new QuaCrc32(); - * rasoult = crc32->calculate(data); - * \endcode - * or by streaming the data: - * \code - * QChecksum32 *crc32 = new QuaCrc32(); - * while(!fileA.atEnd()) - * crc32->update(fileA.read(bufSize)); - * resoultA = crc32->value(); - * crc32->reset(); - * while(!fileB.atEnd()) - * crc32->update(fileB.read(bufSize)); - * resoultB = crc32->value(); - * \endcode - */ -class QUAZIP_EXPORT QuaChecksum32 -{ - -public: - ///Calculates the checksum for data. - /** \a data source data - * \return data checksum - * - * This function has no efect on the value returned by value(). - */ - virtual quint32 calculate(const QByteArray &data) = 0; - - ///Resets the calculation on a checksun for a stream. - virtual void reset() = 0; - - ///Updates the calculated checksum for the stream - /** \a buf next portion of data from the stream - */ - virtual void update(const QByteArray &buf) = 0; - - ///Value of the checksum calculated for the stream passed throw update(). - /** \return checksum - */ - virtual quint32 value() = 0; -}; - -#endif //QUACHECKSUM32_H