michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
michael@0:  */
michael@0: 
michael@0: #ifndef _nsZipHeader_h_
michael@0: #define _nsZipHeader_h_
michael@0: 
michael@0: #include "nsString.h"
michael@0: #include "nsIOutputStream.h"
michael@0: #include "nsIInputStream.h"
michael@0: #include "nsIZipReader.h"
michael@0: #include "nsAutoPtr.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: 
michael@0: // High word is S_IFREG, low word is DOS file attribute
michael@0: #define ZIP_ATTRS_FILE 0x80000000
michael@0: // High word is S_IFDIR, low word is DOS dir attribute
michael@0: #define ZIP_ATTRS_DIRECTORY 0x40000010
michael@0: #define PERMISSIONS_FILE 0644
michael@0: #define PERMISSIONS_DIR 0755
michael@0: 
michael@0: // Combine file type attributes with unix style permissions
michael@0: #define ZIP_ATTRS(p, a) ((p & 0xfff) << 16) | a
michael@0: 
michael@0: class nsZipHeader MOZ_FINAL : public nsIZipEntry
michael@0: {
michael@0: public:
michael@0:     NS_DECL_ISUPPORTS
michael@0:     NS_DECL_NSIZIPENTRY
michael@0: 
michael@0:     nsZipHeader() :
michael@0:         mCRC(0),
michael@0:         mCSize(0),
michael@0:         mUSize(0),
michael@0:         mEAttr(0),
michael@0:         mOffset(0),
michael@0:         mFieldLength(0),
michael@0:         mLocalFieldLength(0),
michael@0:         mVersionMade(0x0300 + 23), // Generated on Unix by v2.3 (matches infozip)
michael@0:         mVersionNeeded(20), // Requires v2.0 to extract
michael@0:         mFlags(0),
michael@0:         mMethod(0),
michael@0:         mTime(0),
michael@0:         mDate(0),
michael@0:         mDisk(0),
michael@0:         mIAttr(0),
michael@0:         mInited(false),
michael@0:         mWriteOnClose(false),
michael@0:         mExtraField(nullptr),
michael@0:         mLocalExtraField(nullptr)
michael@0:     {
michael@0:     }
michael@0: 
michael@0:     ~nsZipHeader()
michael@0:     {
michael@0:         mExtraField = nullptr;
michael@0:         mLocalExtraField = nullptr;
michael@0:     }
michael@0: 
michael@0:     uint32_t mCRC;
michael@0:     uint32_t mCSize;
michael@0:     uint32_t mUSize;
michael@0:     uint32_t mEAttr;
michael@0:     uint32_t mOffset;
michael@0:     uint32_t mFieldLength;
michael@0:     uint32_t mLocalFieldLength;
michael@0:     uint16_t mVersionMade;
michael@0:     uint16_t mVersionNeeded;
michael@0:     uint16_t mFlags;
michael@0:     uint16_t mMethod;
michael@0:     uint16_t mTime;
michael@0:     uint16_t mDate;
michael@0:     uint16_t mDisk;
michael@0:     uint16_t mIAttr;
michael@0:     bool mInited;
michael@0:     bool mWriteOnClose;
michael@0:     nsCString mName;
michael@0:     nsCString mComment;
michael@0:     nsAutoArrayPtr<uint8_t> mExtraField;
michael@0:     nsAutoArrayPtr<uint8_t> mLocalExtraField;
michael@0: 
michael@0:     void Init(const nsACString & aPath, PRTime aDate, uint32_t aAttr,
michael@0:               uint32_t aOffset);
michael@0:     uint32_t GetFileHeaderLength();
michael@0:     nsresult WriteFileHeader(nsIOutputStream *aStream);
michael@0:     uint32_t GetCDSHeaderLength();
michael@0:     nsresult WriteCDSHeader(nsIOutputStream *aStream);
michael@0:     nsresult ReadCDSHeader(nsIInputStream *aStream);
michael@0:     const uint8_t * GetExtraField(uint16_t aTag, bool aLocal, uint16_t *aBlockSize);
michael@0:     nsresult PadExtraField(uint32_t aOffset, uint16_t aAlignSize);
michael@0: };
michael@0: 
michael@0: #endif