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