File indexing completed on 2025-01-26 04:24:54

0001 #ifndef QUA_ZIPNEWINFO_H
0002 #define QUA_ZIPNEWINFO_H
0003 
0004 /*
0005 Copyright (C) 2005-2014 Sergey A. Tachenov
0006 
0007 This file is part of QuaZIP.
0008 
0009 QuaZIP is free software: you can redistribute it and/or modify
0010 it under the terms of the GNU Lesser General Public License as published by
0011 the Free Software Foundation, either version 2.1 of the License, or
0012 (at your option) any later version.
0013 
0014 QuaZIP is distributed in the hope that it will be useful,
0015 but WITHOUT ANY WARRANTY; without even the implied warranty of
0016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0017 GNU Lesser General Public License for more details.
0018 
0019 You should have received a copy of the GNU Lesser General Public License
0020 along with QuaZIP.  If not, see <http://www.gnu.org/licenses/>.
0021 
0022 See COPYING file for the full LGPL text.
0023 
0024 Original ZIP package is copyrighted by Gilles Vollant, see
0025 quazip/(un)zip.h files for details, basically it's zlib license.
0026  **/
0027 
0028 #include <QDateTime>
0029 #include <QFile>
0030 #include <QString>
0031 
0032 #include "quazip_global.h"
0033 
0034 #include "quazipfileinfo.h"
0035 
0036 /// Information about a file to be created.
0037 /** This structure holds information about a file to be created inside
0038  * ZIP archive. At least name should be set to something correct before
0039  * passing this structure to
0040  * QuaZipFile::open(OpenMode,const QuaZipNewInfo&,int,int,bool).
0041  *
0042  * Zip64 support of this structure is slightly limited: in the raw mode (when
0043  * a pre-compressed file is written into a ZIP file as-is), it is necessary
0044  * to specify the uncompressed file size and the appropriate field is 32 bit.
0045  * Since the raw mode is used extremely rare, there is no real need to have
0046  * a separate QuaZipNewInfo64 structure like QuaZipFileInfo64. It may be added
0047  * in the future though, if there is a demand for the raw mode with zip64
0048  * archives.
0049  **/
0050 struct QUAZIP_EXPORT QuaZipNewInfo {
0051   /// File name.
0052   /** This field holds file name inside archive, including path relative
0053    * to archive root.
0054    **/
0055   QString name;
0056   /// File timestamp.
0057   /** This is the last file modification date and time. Will be stored
0058    * in the archive central directory. It is a good practice to set it
0059    * to the source file timestamp instead of archive creating time. Use
0060    * setFileDateTime() or QuaZipNewInfo(const QString&, const QString&).
0061    **/
0062   QDateTime dateTime;
0063   /// File internal attributes.
0064   quint16 internalAttr;
0065   /// File external attributes.
0066   /**
0067     The highest 16 bits contain Unix file permissions and type (dir or
0068     file). The constructor QuaZipNewInfo(const QString&, const QString&)
0069     takes permissions from the provided file.
0070     */
0071   quint32 externalAttr;
0072   /// File comment.
0073   /** Will be encoded using QuaZip::getCommentCodec().
0074    **/
0075   QString comment;
0076   /// File local extra field.
0077   QByteArray extraLocal;
0078   /// File global extra field.
0079   QByteArray extraGlobal;
0080   /// Uncompressed file size.
0081   /** This is only needed if you are using raw file zipping mode, i. e.
0082    * adding precompressed file in the zip archive.
0083    **/
0084   ulong uncompressedSize;
0085   /// Constructs QuaZipNewInfo instance.
0086   /** Initializes name with \a name, dateTime with current date and
0087    * time. Attributes are initialized with zeros, comment and extra
0088    * field with null values.
0089    **/
0090   QuaZipNewInfo(const QString& name);
0091   /// Constructs QuaZipNewInfo instance.
0092   /** Initializes name with \a name. Timestamp and permissions are taken
0093    * from the specified file. If the \a file does not exists or its timestamp
0094    * is inaccessible (e. g. you do not have read permission for the
0095    * directory file in), uses current time and zero permissions. Other attributes are
0096    * initialized with zeros, comment and extra field with null values.
0097    * 
0098    * \sa setFileDateTime()
0099    **/
0100   QuaZipNewInfo(const QString& name, const QString& file);
0101   /// Initializes the new instance from existing file info.
0102   /** Mainly used when copying files between archives.
0103    *
0104    * Both extra fields are initialized to existing.extra.
0105    * @brief QuaZipNewInfo
0106    * @param existing
0107    */
0108   QuaZipNewInfo(const QuaZipFileInfo &existing);
0109   /// Initializes the new instance from existing file info.
0110   /** Mainly used when copying files between archives.
0111    *
0112    * Both extra fields are initialized to existing.extra.
0113    * @brief QuaZipNewInfo
0114    * @param existing
0115    */
0116   QuaZipNewInfo(const QuaZipFileInfo64 &existing);
0117   /// Sets the file timestamp from the existing file.
0118   /** Use this function to set the file timestamp from the existing
0119    * file. Use it like this:
0120    * \code
0121    * QuaZipFile zipFile(&zip);
0122    * QFile file("file-to-add");
0123    * file.open(QIODevice::ReadOnly);
0124    * QuaZipNewInfo info("file-name-in-archive");
0125    * info.setFileDateTime("file-to-add"); // take the timestamp from file
0126    * zipFile.open(QIODevice::WriteOnly, info);
0127    * \endcode
0128    *
0129    * This function does not change dateTime if some error occured (e. g.
0130    * file is inaccessible).
0131    **/
0132   void setFileDateTime(const QString& file);
0133   /// Sets the file permissions from the existing file.
0134   /**
0135     Takes permissions from the file and sets the high 16 bits of
0136     external attributes. Uses QFileInfo to get permissions on all
0137     platforms.
0138     */
0139   void setFilePermissions(const QString &file);
0140   /// Sets the file permissions.
0141   /**
0142     Modifies the highest 16 bits of external attributes. The type part
0143     is set to dir if the name ends with a slash, and to regular file
0144     otherwise.
0145     */
0146   void setPermissions(QFile::Permissions permissions);
0147   /// Sets the NTFS times from an existing file.
0148   /**
0149    * If the file doesn't exist, a warning is printed to the stderr and nothing
0150    * is done. Otherwise, all three times, as reported by
0151    * QFileInfo::lastModified(), QFileInfo::lastRead() and QFileInfo::created(),
0152    * are written to the NTFS extra field record.
0153    *
0154    * The NTFS record is written to
0155    * both the local and the global extra fields, updating the existing record
0156    * if there is one, or creating a new one and appending it to the end
0157    * of each extra field.
0158    *
0159    * The microseconds will be zero, as they aren't reported by QFileInfo.
0160    * @param fileName
0161    */
0162   void setFileNTFSTimes(const QString &fileName);
0163   /// Sets the NTFS modification time.
0164   /**
0165    * The time is written into the NTFS record in
0166    * both the local and the global extra fields, updating the existing record
0167    * if there is one, or creating a new one and appending it to the end
0168    * of each extra field. When updating an existing record, all other fields
0169    * are left intact.
0170    * @param mTime The new modification time.
0171    * @param fineTicks The fractional part of milliseconds, in 100-nanosecond
0172    *        ticks (i. e. 9999 ticks = 999.9 microsecond). Values greater than
0173    *        9999 will add milliseconds or even seconds, but this can be
0174    *        confusing and therefore is discouraged.
0175    */
0176   void setFileNTFSmTime(const QDateTime &mTime, int fineTicks = 0);
0177   /// Sets the NTFS access time.
0178   /**
0179    * The time is written into the NTFS record in
0180    * both the local and the global extra fields, updating the existing record
0181    * if there is one, or creating a new one and appending it to the end
0182    * of each extra field. When updating an existing record, all other fields
0183    * are left intact.
0184    * @param aTime The new access time.
0185    * @param fineTicks The fractional part of milliseconds, in 100-nanosecond
0186    *        ticks (i. e. 9999 ticks = 999.9 microsecond). Values greater than
0187    *        9999 will add milliseconds or even seconds, but this can be
0188    *        confusing and therefore is discouraged.
0189    */
0190   void setFileNTFSaTime(const QDateTime &aTime, int fineTicks = 0);
0191   /// Sets the NTFS creation time.
0192   /**
0193    * The time is written into the NTFS record in
0194    * both the local and the global extra fields, updating the existing record
0195    * if there is one, or creating a new one and appending it to the end
0196    * of each extra field. When updating an existing record, all other fields
0197    * are left intact.
0198    * @param cTime The new creation time.
0199    * @param fineTicks The fractional part of milliseconds, in 100-nanosecond
0200    *        ticks (i. e. 9999 ticks = 999.9 microsecond). Values greater than
0201    *        9999 will add milliseconds or even seconds, but this can be
0202    *        confusing and therefore is discouraged.
0203    */
0204   void setFileNTFScTime(const QDateTime &cTime, int fineTicks = 0);
0205 };
0206 
0207 #endif