gecko-dev/modules/libjar/nsJARDirectoryInputStream.h

83 lines
3.3 KiB
C++

/* nsJARDirectoryInputStream.h
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla libjar code.
*
* The Initial Developer of the Original Code is
* Jeff Walden <jwalden+code@mit.edu>.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsJARDIRECTORYINPUTSTREAM_h__
#define nsJARDIRECTORYINPUTSTREAM_h__
#include "nsAutoPtr.h"
#include "nsCOMArray.h"
#include "nsIInputStream.h"
#include "nsJAR.h"
/*-------------------------------------------------------------------------
* Class nsJARDirectoryInputStream declaration. This class represents a
* stream whose contents are an application/http-index-format listing for
* a directory in a zip file.
*------------------------------------------------------------------------*/
class nsJARDirectoryInputStream : public nsIInputStream
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIINPUTSTREAM
static nsresult Create(nsIZipReader* aZip,
const nsACString& aJarDirSpec,
const char* aDir,
nsIInputStream** result);
private:
nsJARDirectoryInputStream();
virtual ~nsJARDirectoryInputStream();
nsresult
Init(nsIZipReader* aZip, const nsACString& aJarDirSpec, const char* aDir);
PRUint32 CopyDataToBuffer(char* &aBuffer, PRUint32 &aCount);
protected:
nsIZipReader* mZip; // the zipReader
nsresult mStatus; // current status of the stream
PRUint32 mDirNameLen; // length of dirname
nsCAutoString mBuffer; // storage for generated text of stream
PRUint32 mArrPos; // current position within mArray
PRUint32 mBufPos; // current position within mBuffer
nsCStringArray mArray; // array of names in (zip) directory
};
#endif /* nsJARDIRECTORYINPUTSTREAM_h__ */