All the internal stuff for the QuaZip class. More...

Collaboration diagram for QuaZipPrivate:

Private Member Functions
QTextCodec *	getDefaultFileNameCodec ()

	QuaZipPrivate (QuaZip *q)
	The constructor for the corresponding QuaZip constructor. More...

	QuaZipPrivate (QuaZip *q, const QString &zipName)
	The constructor for the corresponding QuaZip constructor. More...

	QuaZipPrivate (QuaZip q, QIODevice ioDevice)
	The constructor for the corresponding QuaZip constructor. More...

template<typename TFileInfo >
bool	getFileInfoList (QList< TFileInfo > *result) const
	Returns either a list of file names or a list of QuaZipFileInfo. More...

void	clearDirectoryMap ()
	Stores map of filenames and file locations for unzipping. More...

void	addCurrentFileToDirectoryMap (const QString &fileName)

bool	goToFirstUnmappedFile ()

Private Attributes
QuaZip *	q
	The pointer to the corresponding QuaZip instance. More...

QTextCodec *	fileNameCodec
	The codec for file names. More...

QTextCodec *	commentCodec
	The codec for comments. More...

QString	zipName
	The archive file name. More...

QIODevice *	ioDevice
	The device to access the archive. More...

QString	comment
	The global comment. More...

QuaZip::Mode	mode
	The open mode. More...

union {
unzFile	unzFile_f
	The internal handle for UNZIP modes. More...

zipFile	zipFile_f
	The internal handle for ZIP modes. More...

};

bool	hasCurrentFile_f
	Whether a current file is set. More...

int	zipError
	The last error. More...

bool	dataDescriptorWritingEnabled
	Whether the data descriptor writing mode is enabled. More...

bool	zip64
	The zip64 mode. More...

bool	autoClose
	The auto-close flag. More...

QHash< QString, unz64_file_pos >	directoryCaseSensitive

QHash< QString, unz64_file_pos >	directoryCaseInsensitive

unz64_file_pos	lastMappedDirectoryEntry

Static Private Attributes
static QTextCodec *	defaultFileNameCodec = NULL

Friends
class	QuaZip

Detailed Description

This class keeps all the private stuff for the QuaZip class so it can be changed without breaking binary compatibility, according to the Pimpl idiom.

Definition at line 39 of file quazip.cpp.

Constructor & Destructor Documentation

QuaZipPrivate::QuaZipPrivate ( QuaZip * q )

inlineprivate

Definition at line 81 of file quazip.cpp.

References lastMappedDirectoryEntry, unz64_file_pos_s::num_of_file, and unz64_file_pos_s::pos_in_zip_directory.

                                    :
       q(q),
       fileNameCodec(getDefaultFileNameCodec()),
       commentCodec(QTextCodec::codecForLocale()),
       ioDevice(NULL),
       mode(QuaZip::mdNotOpen),
       hasCurrentFile_f(false),
       zipError(UNZ_OK),
       dataDescriptorWritingEnabled(true),
       zip64(false),
       autoClose(true)
     {
         lastMappedDirectoryEntry.num_of_file = 0;
         lastMappedDirectoryEntry.pos_in_zip_directory = 0;
     }

QuaZipPrivate::QuaZipPrivate	(	QuaZip *	q,
		const QString &	zipName
	)

inlineprivate

Definition at line 97 of file quazip.cpp.

References lastMappedDirectoryEntry, unz64_file_pos_s::num_of_file, and unz64_file_pos_s::pos_in_zip_directory.

                                                            :
       q(q),
       fileNameCodec(getDefaultFileNameCodec()),
       commentCodec(QTextCodec::codecForLocale()),
       zipName(zipName),
       ioDevice(NULL),
       mode(QuaZip::mdNotOpen),
       hasCurrentFile_f(false),
       zipError(UNZ_OK),
       dataDescriptorWritingEnabled(true),
       zip64(false),
       autoClose(true)
     {
         lastMappedDirectoryEntry.num_of_file = 0;
         lastMappedDirectoryEntry.pos_in_zip_directory = 0;
     }

QuaZipPrivate::QuaZipPrivate	(	QuaZip *	q,
		QIODevice *	ioDevice
	)

inlineprivate

Definition at line 114 of file quazip.cpp.

References lastMappedDirectoryEntry, unz64_file_pos_s::num_of_file, and unz64_file_pos_s::pos_in_zip_directory.

                                                         :
         q(q),
       fileNameCodec(getDefaultFileNameCodec()),
       commentCodec(QTextCodec::codecForLocale()),
       ioDevice(ioDevice),
       mode(QuaZip::mdNotOpen),
       hasCurrentFile_f(false),
       zipError(UNZ_OK),
       dataDescriptorWritingEnabled(true),
       zip64(false),
       autoClose(true)
     {
         lastMappedDirectoryEntry.num_of_file = 0;
         lastMappedDirectoryEntry.pos_in_zip_directory = 0;
     }

Member Function Documentation

void QuaZipPrivate::addCurrentFileToDirectoryMap ( const QString & fileName )

inlineprivate

Definition at line 153 of file quazip.cpp.

References directoryCaseInsensitive, directoryCaseSensitive, hasCurrentFile_f, lastMappedDirectoryEntry, unz64_file_pos_s::pos_in_zip_directory, and unzGetFilePos64().

Referenced by QuaZip::getCurrentFileInfo(), and QuaZip::getCurrentFileName().

 {
     if (!hasCurrentFile_f || fileName.isEmpty()) {
         return;
     }
     // Adds current file to filename map as fileName
     unz64_file_pos fileDirectoryPos;
     unzGetFilePos64(unzFile_f, &fileDirectoryPos);
     directoryCaseSensitive.insert(fileName, fileDirectoryPos);
     // Only add lowercase to directory map if not already there
     // ensures only map the first one seen
     QString lower = fileName.toLower();
     if (!directoryCaseInsensitive.contains(lower))
         directoryCaseInsensitive.insert(lower, fileDirectoryPos);
     // Mark last one
     if (fileDirectoryPos.pos_in_zip_directory > lastMappedDirectoryEntry.pos_in_zip_directory)
         lastMappedDirectoryEntry = fileDirectoryPos;
 }

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void QuaZipPrivate::clearDirectoryMap ( )

inlineprivate

Definition at line 145 of file quazip.cpp.

References directoryCaseInsensitive, directoryCaseSensitive, lastMappedDirectoryEntry, unz64_file_pos_s::num_of_file, and unz64_file_pos_s::pos_in_zip_directory.

Referenced by QuaZip::close().

 {
     directoryCaseInsensitive.clear();
     directoryCaseSensitive.clear();
     lastMappedDirectoryEntry.num_of_file = 0;
     lastMappedDirectoryEntry.pos_in_zip_directory = 0;
 }

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QTextCodec* QuaZipPrivate::getDefaultFileNameCodec ( )

inlineprivate

Definition at line 72 of file quazip.cpp.

References defaultFileNameCodec.

     {
         if (defaultFileNameCodec == NULL) {
             return QTextCodec::codecForLocale();
         } else {
             return defaultFileNameCodec;
         }
     }

template<typename TFileInfo >

bool QuaZipPrivate::getFileInfoList ( QList< TFileInfo > * result ) const

private

Definition at line 687 of file quazip.cpp.

References QuaZip::getCurrentFileName(), QuaZip::goToFirstFile(), QuaZip::goToNextFile(), QuaZip::hasCurrentFile(), QuaZip::mdUnzip, mode, q, QuaZip::setCurrentFile(), UNZ_OK, and zipError.

Referenced by QuaZip::getFileInfoList(), QuaZip::getFileInfoList64(), and QuaZip::getFileNameList().

 {
   QuaZipPrivate *fakeThis=const_cast<QuaZipPrivate*>(this);
   fakeThis->zipError=UNZ_OK;
   if (mode!=QuaZip::mdUnzip) {
     qWarning("QuaZip::getFileNameList/getFileInfoList(): "
             "ZIP is not open in mdUnzip mode");
     return false;
   }
   QString currentFile;
   if (q->hasCurrentFile()) {
       currentFile = q->getCurrentFileName();
   }
   if (q->goToFirstFile()) {
       do {
           bool ok;
           result->append(QuaZip_getFileInfo<TFileInfo>(q, &ok));
           if (!ok)
               return false;
       } while (q->goToNextFile());
   }
   if (zipError != UNZ_OK)
       return false;
   if (currentFile.isEmpty()) {
       if (!q->goToFirstFile())
           return false;
   } else {
       if (!q->setCurrentFile(currentFile))
           return false;
   }
   return true;
 }

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bool QuaZipPrivate::goToFirstUnmappedFile ( )

private

Definition at line 172 of file quazip.cpp.

References hasCurrentFile_f, lastMappedDirectoryEntry, QuaZip::mdUnzip, mode, unz64_file_pos_s::pos_in_zip_directory, UNZ_END_OF_LIST_OF_FILE, UNZ_OK, unzGoToFilePos64(), unzGoToFirstFile(), unzGoToNextFile(), and zipError.

Referenced by QuaZip::setCurrentFile().

 {
     zipError = UNZ_OK;
     if (mode != QuaZip::mdUnzip) {
         qWarning("QuaZipPrivate::goToNextUnmappedFile(): ZIP is not open in mdUnzip mode");
         return false;
     }
     // If not mapped anything, go to beginning
     if (lastMappedDirectoryEntry.pos_in_zip_directory == 0) {
         unzGoToFirstFile(unzFile_f);
     } else {
         // Goto the last one mapped, plus one
         unzGoToFilePos64(unzFile_f, &lastMappedDirectoryEntry);
         unzGoToNextFile(unzFile_f);
     }
     hasCurrentFile_f=zipError==UNZ_OK;
     if(zipError==UNZ_END_OF_LIST_OF_FILE)
       zipError=UNZ_OK;
     return hasCurrentFile_f;
 }