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-rw-r--r--depends/quazip/quachecksum32.h54
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diff --git a/depends/quazip/quachecksum32.h b/depends/quazip/quachecksum32.h
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--- a/depends/quazip/quachecksum32.h
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-#ifndef QUACHECKSUM32_H
-#define QUACHECKSUM32_H
-
-#include <QtCore/QByteArray>
-#include "quazip_global.h"
-
-/// Checksum interface.
-/** \class QuaChecksum32 quachecksum32.h <quazip/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