зеркало из https://github.com/mozilla/gecko-dev.git
107 строки
2.7 KiB
C
107 строки
2.7 KiB
C
|
/* -*- 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 "nsLocalFile.h"
|
||
|
|
#include "nsXPIDLString.h"
|
||
|
|
|
||
|
|
#define NSRESULT_FOR_RETURN(ret) (!(ret) ? NS_OK : NSRESULT_FOR_ERRNO())
|
||
|
|
|
||
|
|
inline nsresult
|
||
|
|
nsresultForErrno(int err)
|
||
|
|
{
|
||
|
|
#ifdef DEBUG_shaver
|
||
|
|
if (err)
|
||
|
|
fprintf(stderr, "errno %d\n", err);
|
||
|
|
#endif
|
||
|
|
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;
|
||
|
|
case ENOLINK:
|
||
|
|
return NS_ERROR_FILE_UNRESOLVABLE_SYMLINK;
|
||
|
|
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 nsIFile
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
NS_DEFINE_STATIC_CID_ACCESSOR(NS_LOCAL_FILE_CID)
|
||
|
|
|
||
|
|
nsLocalFile();
|
||
|
|
virtual ~nsLocalFile();
|
||
|
|
|
||
|
|
static NS_METHOD Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
|
||
|
|
|
||
|
|
// nsISupports
|
||
|
|
NS_DECL_ISUPPORTS
|
||
|
|
|
||
|
|
// nsIFile
|
||
|
|
NS_DECL_NSIFILE
|
||
|
|
|
||
|
|
protected:
|
||
|
|
PRBool mHaveCachedStat;
|
||
|
|
struct stat mCachedStat;
|
||
|
|
nsXPIDLCString mPath;
|
||
|
|
|
||
|
|
nsresult createAllParentDirectories(PRUint32 permissions);
|
||
|
|
nsresult getLeafNameRaw(const char **_retval);
|
||
|
|
|
||
|
|
void invalidateCache() { mHaveCachedStat = PR_FALSE; }
|
||
|
|
|
||
|
|
nsresult fillStatCache() {
|
||
|
|
if (stat(mPath, &mCachedStat) == -1) {
|
||
|
|
#ifdef DEBUG_shaver
|
||
|
|
fprintf(stderr, "stat(%s) -> %d\n", (const char *)mPath, errno);
|
||
|
|
#endif
|
||
|
|
return NS_ERROR_FAILURE;
|
||
|
|
}
|
||
|
|
mHaveCachedStat = PR_TRUE;
|
||
|
|
return NS_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
#endif /* _nsLocalFileUNIX_H_ */
|