pjs/xpcom/io/nsLocalFileUnix.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Communicator client code,
* released March 31, 1998.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998-1999 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Mike Shaver <shaver@mozilla.org>
*/
/*
* Implementation of nsIFile for ``Unixy'' systems.
*/
#ifndef _nsLocalFileUNIX_H_
#define _nsLocalFileUNIX_H_
#include <sys/stat.h>
#include <errno.h>
#include "nscore.h"
#include "nsIFile.h"
#include "nsILocalFile.h"
#include "nsLocalFile.h"
#include "nsXPIDLString.h"
#define NSRESULT_FOR_RETURN(ret) (((ret) < 0) ? NSRESULT_FOR_ERRNO() : NS_OK)
inline nsresult
nsresultForErrno(int err)
{
switch(err) {
case 0:
return NS_OK;
case ENOENT:
return NS_ERROR_FILE_TARGET_DOES_NOT_EXIST;
case ENOTDIR:
return NS_ERROR_FILE_DESTINATION_NOT_DIR;
#ifdef ENOLINK
case ENOLINK:
return NS_ERROR_FILE_UNRESOLVABLE_SYMLINK;
#endif /* ENOLINK */
case EEXIST:
return NS_ERROR_FILE_ALREADY_EXISTS;
case EACCES:
default:
return NS_ERROR_FAILURE;
}
}
#define NSRESULT_FOR_ERRNO() nsresultForErrno(errno)
class NS_COM nsLocalFile : public nsILocalFile
{
public:
NS_DEFINE_STATIC_CID_ACCESSOR(NS_LOCAL_FILE_CID)
nsLocalFile();
virtual ~nsLocalFile();
static NS_METHOD nsLocalFileConstructor(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
// nsISupports
NS_DECL_ISUPPORTS
// nsIFile
NS_DECL_NSIFILE
// nsILocalFile
NS_DECL_NSILOCALFILE
protected:
PRBool mHaveCachedStat;
struct stat mCachedStat;
nsXPIDLCString mPath;
nsresult CopyDirectoryTo(nsIFile *newParent);
nsresult CreateAllAncestors(PRUint32 permissions);
nsresult GetLeafNameRaw(const char **_retval);
nsresult GetTargetPathName(nsIFile *newParent, const char *newName,
char **_retval);
void InvalidateCache() { mHaveCachedStat = PR_FALSE; }
nsresult FillStatCache() {
if (stat(mPath, &mCachedStat) == -1) {
return NS_ERROR_FAILURE;
}
mHaveCachedStat = PR_TRUE;
return NS_OK;
}
static nsresult ParseURL(const char* inURL, char **outHost, char **outDirectory,
char **outFileBaseName, char **outFileExtension);
};
#endif /* _nsLocalFileUNIX_H_ */