The Tor Browser: modules/libjar/nsJARInputStream.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* nsJARInputStream.h

     2  *

     3  * This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef nsJARINPUTSTREAM_h__

     8 #define nsJARINPUTSTREAM_h__

    10 #include "nsIInputStream.h"

    11 #include "nsJAR.h"

    12 #include "nsTArray.h"

    13 #include "mozilla/Attributes.h"

    15 /*-------------------------------------------------------------------------

    16  * Class nsJARInputStream declaration. This class defines the type of the

    17  * object returned by calls to nsJAR::GetInputStream(filename) for the

    18  * purpose of reading a file item out of a JAR file.

    19  *------------------------------------------------------------------------*/

    20 class nsJARInputStream MOZ_FINAL : public nsIInputStream

    21 {

    22   public:

    23     nsJARInputStream() :

    24         mOutSize(0), mInCrc(0), mOutCrc(0), mCurPos(0),

    25         mMode(MODE_NOTINITED)

    26     {

    27       memset(&mZs, 0, sizeof(z_stream));

    28     }

    30     ~nsJARInputStream() { Close(); }

    32     NS_DECL_THREADSAFE_ISUPPORTS

    33     NS_DECL_NSIINPUTSTREAM

    35     // takes ownership of |fd|, even on failure

    36     nsresult InitFile(nsJAR *aJar, nsZipItem *item);

    38     nsresult InitDirectory(nsJAR *aJar,

    39                            const nsACString& aJarDirSpec,

    40                            const char* aDir);

    42   private:

    43     nsRefPtr<nsZipHandle>  mFd;         // handle for reading

    44     uint32_t               mOutSize;    // inflated size

    45     uint32_t               mInCrc;      // CRC as provided by the zipentry

    46     uint32_t               mOutCrc;     // CRC as calculated by me

    47     z_stream               mZs;         // zip data structure

    49     /* For directory reading */

    50     nsRefPtr<nsJAR>        mJar;        // string reference to zipreader

    51     uint32_t               mNameLen;    // length of dirname

    52     nsCString              mBuffer;     // storage for generated text of stream

    53     uint32_t               mCurPos;     // Current position in buffer

    54     uint32_t               mArrPos;     // current position within mArray

    55     nsTArray<nsCString>    mArray;      // array of names in (zip) directory

    57 	typedef enum {

    58         MODE_NOTINITED,

    59         MODE_CLOSED,

    60         MODE_DIRECTORY,

    61         MODE_INFLATE,

    62         MODE_COPY

    63     } JISMode;

    65     JISMode                mMode;		// Modus of the stream

    67     nsresult ContinueInflate(char* aBuf, uint32_t aCount, uint32_t* aBytesRead);

    68     nsresult ReadDirectory(char* aBuf, uint32_t aCount, uint32_t* aBytesRead);

    69     uint32_t CopyDataToBuffer(char* &aBuffer, uint32_t &aCount);

    70 };

    72 #endif /* nsJARINPUTSTREAM_h__ */

The Tor Browser / file revision