зеркало из https://github.com/mozilla/pjs.git
816 строки
28 KiB
C++
816 строки
28 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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*/
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#include "nsFileSpecImpl.h"// Always first, to ensure that it compiles alone.
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#include "nsIFileStream.h"
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#include "nsFileStream.h"
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#include "prmem.h"
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NS_IMPL_THREADSAFE_ISUPPORTS1(nsFileSpecImpl, nsIFileSpec)
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#ifdef NS_DEBUG
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#define TEST_OUT_PTR(p) \
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if (!(p)) \
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return NS_ERROR_NULL_POINTER;
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#else
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#define TEST_OUT_PTR(p)
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#endif
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//----------------------------------------------------------------------------------------
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nsFileSpecImpl::nsFileSpecImpl()
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//----------------------------------------------------------------------------------------
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: mInputStream(nsnull)
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, mOutputStream(nsnull)
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{
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NS_INIT_ISUPPORTS();
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}
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//----------------------------------------------------------------------------------------
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nsFileSpecImpl::nsFileSpecImpl(const nsFileSpec& inSpec)
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//----------------------------------------------------------------------------------------
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: mFileSpec(inSpec)
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, mInputStream(nsnull)
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, mOutputStream(nsnull)
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{
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NS_INIT_ISUPPORTS();
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}
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//----------------------------------------------------------------------------------------
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nsFileSpecImpl::~nsFileSpecImpl()
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//----------------------------------------------------------------------------------------
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{
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CloseStream();
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}
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//----------------------------------------------------------------------------------------
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/* static */
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nsresult nsFileSpecImpl::MakeInterface(const nsFileSpec& inSpec, nsIFileSpec** result)
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//----------------------------------------------------------------------------------------
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{
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nsFileSpecImpl* it = new nsFileSpecImpl(inSpec);
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if (!it)
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return NS_ERROR_OUT_OF_MEMORY;
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return it->QueryInterface(NS_GET_IID(nsIFileSpec), (void **) result);
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} // nsFileSpecImpl::MakeInterface
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#define FILESPEC(ifilespec) ((nsFileSpecImpl*)ifilespec)->mFileSpec
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::FromFileSpec(const nsIFileSpec *original)
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//----------------------------------------------------------------------------------------
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{
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if (original) {
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nsresult rv = ((nsIFileSpec *)original)->GetFileSpec( &mFileSpec);
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if (NS_SUCCEEDED( rv))
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return mFileSpec.Error();
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else
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return( rv);
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}
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else
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return( NS_ERROR_FAILURE);
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::IsChildOf(nsIFileSpec *possibleParent,
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PRBool *_retval)
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{
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*_retval = mFileSpec.IsChildOf(FILESPEC(possibleParent));
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::GetURLString(char * *aURLString)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(aURLString)
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if (mFileSpec.Failed())
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return mFileSpec.Error();
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nsFileURL url(mFileSpec);
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*aURLString = nsCRT::strdup(url.GetURLString());
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if (!*aURLString)
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return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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} // nsFileSpecImpl::GetURLString
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::SetURLString(const char * aURLString)
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//----------------------------------------------------------------------------------------
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{
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mFileSpec = nsFileURL(aURLString);
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::GetUnixStyleFilePath(char * *aUnixStyleFilePath)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(aUnixStyleFilePath)
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if (mFileSpec.Failed())
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return mFileSpec.Error();
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nsFilePath path(mFileSpec);
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*aUnixStyleFilePath = nsCRT::strdup((const char*) path);
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if (!*aUnixStyleFilePath)
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return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::SetUnixStyleFilePath(const char * aUnixStyleFilePath)
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//----------------------------------------------------------------------------------------
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{
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mFileSpec = nsFilePath(aUnixStyleFilePath);
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::GetPersistentDescriptorString(char * *aPersistentDescriptorString)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(aPersistentDescriptorString)
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if (mFileSpec.Failed())
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return mFileSpec.Error();
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nsPersistentFileDescriptor desc(mFileSpec);
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nsSimpleCharString data;
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desc.GetData(data);
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*aPersistentDescriptorString = nsCRT::strdup((const char*) data);
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if (!*aPersistentDescriptorString)
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return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::SetPersistentDescriptorString(const char * aPersistentDescriptorString)
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//----------------------------------------------------------------------------------------
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{
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nsPersistentFileDescriptor desc(mFileSpec);
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desc.SetData(aPersistentDescriptorString);
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mFileSpec = desc;
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::GetNativePath(char * *aNativePath)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(aNativePath)
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if (mFileSpec.Failed())
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return mFileSpec.Error();
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*aNativePath = nsCRT::strdup(mFileSpec.GetNativePathCString());
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if (!*aNativePath)
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return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::SetNativePath(const char * aNativePath)
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//----------------------------------------------------------------------------------------
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{
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mFileSpec = aNativePath;
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::GetNSPRPath(char * *aNSPRPath)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(aNSPRPath)
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if (mFileSpec.Failed())
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return mFileSpec.Error();
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nsNSPRPath path(mFileSpec);
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*aNSPRPath = nsCRT::strdup((const char*) path);
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if (!*aNSPRPath)
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return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::Error()
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//----------------------------------------------------------------------------------------
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{
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::IsValid(PRBool *_retval)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(_retval)
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*_retval = mFileSpec.Valid();
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::Failed(PRBool *_retval)
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//----------------------------------------------------------------------------------------
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{
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*_retval = mFileSpec.Failed();
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::GetLeafName(char * *aLeafName)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(aLeafName)
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*aLeafName = mFileSpec.GetLeafName();
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::SetLeafName(const char * aLeafName)
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//----------------------------------------------------------------------------------------
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{
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mFileSpec.SetLeafName(aLeafName);
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::GetParent(nsIFileSpec * *aParent)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(aParent)
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nsFileSpec parent;
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mFileSpec.GetParent(parent);
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return MakeInterface(parent, aParent);
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::MakeUnique()
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//----------------------------------------------------------------------------------------
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{
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mFileSpec.MakeUnique();
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::MakeUniqueWithSuggestedName(const char *suggestedName)
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//----------------------------------------------------------------------------------------
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{
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mFileSpec.MakeUnique(suggestedName);
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::GetModDate(PRUint32 *aModDate)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(aModDate)
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nsFileSpec::TimeStamp stamp;
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mFileSpec.GetModDate(stamp);
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*aModDate = stamp;
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::ModDateChanged(PRUint32 oldStamp, PRBool *_retval)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(_retval)
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*_retval = mFileSpec.ModDateChanged(oldStamp);
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::IsDirectory(PRBool *_retval)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(_retval)
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*_retval = mFileSpec.IsDirectory();
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::IsFile(PRBool *_retval)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(_retval)
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*_retval = mFileSpec.IsFile();
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::Exists(PRBool *_retval)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(_retval)
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*_retval = mFileSpec.Exists();
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::IsHidden(PRBool *_retval)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(_retval)
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*_retval = mFileSpec.IsHidden();
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::IsSymlink(PRBool *_retval)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(_retval)
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*_retval = mFileSpec.IsSymlink();
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::ResolveSymlink()
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//----------------------------------------------------------------------------------------
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{
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PRBool ignore;
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return mFileSpec.ResolveSymlink(ignore);
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::GetFileSize(PRUint32 *aFileSize)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(aFileSize)
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*aFileSize = mFileSpec.GetFileSize();
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::GetDiskSpaceAvailable(PRInt64 *aDiskSpaceAvailable)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(aDiskSpaceAvailable)
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*aDiskSpaceAvailable = mFileSpec.GetDiskSpaceAvailable();
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::AppendRelativeUnixPath(const char *relativePath)
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//----------------------------------------------------------------------------------------
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{
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mFileSpec += relativePath;
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::Touch()
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//----------------------------------------------------------------------------------------
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{
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// create an empty file, like the UNIX touch command.
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nsresult rv;
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rv = OpenStreamForReadingAndWriting();
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if (NS_FAILED(rv)) return rv;
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rv = CloseStream();
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return rv;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::CreateDir()
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//----------------------------------------------------------------------------------------
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{
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mFileSpec.CreateDir();
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return mFileSpec.Error();
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::Truncate(PRInt32 aNewLength)
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//----------------------------------------------------------------------------------------
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{
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return mFileSpec.Truncate(aNewLength);
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::Rename(const char *newLeafName)
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//----------------------------------------------------------------------------------------
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{
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return mFileSpec.Rename(newLeafName);
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::CopyToDir(const nsIFileSpec *newParentDir)
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//----------------------------------------------------------------------------------------
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{
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return mFileSpec.CopyToDir(FILESPEC(newParentDir));
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::MoveToDir(const nsIFileSpec *newParentDir)
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//----------------------------------------------------------------------------------------
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{
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return mFileSpec.MoveToDir(FILESPEC(newParentDir));
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::Execute(const char *args)
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//----------------------------------------------------------------------------------------
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{
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return mFileSpec.Execute(args);
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::OpenStreamForReading()
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//----------------------------------------------------------------------------------------
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{
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if (mInputStream || mOutputStream)
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return NS_ERROR_FAILURE;
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return NS_NewTypicalInputFileStream((nsISupports**)&mInputStream, mFileSpec);
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::OpenStreamForWriting()
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//----------------------------------------------------------------------------------------
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{
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if (mInputStream || mOutputStream)
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return NS_ERROR_FAILURE;
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return NS_NewTypicalOutputFileStream((nsISupports**)&mOutputStream, mFileSpec);
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::OpenStreamForReadingAndWriting()
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//----------------------------------------------------------------------------------------
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{
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if (mInputStream || mOutputStream)
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return NS_ERROR_FAILURE;
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nsresult result = NS_NewTypicalInputFileStream((nsISupports**)&mInputStream, mFileSpec);
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if (NS_SUCCEEDED(result))
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result = NS_NewTypicalOutputFileStream((nsISupports**)&mOutputStream, mFileSpec);
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return result;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::CloseStream()
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//----------------------------------------------------------------------------------------
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{
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NS_IF_RELEASE(mInputStream);
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NS_IF_RELEASE(mOutputStream);
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::IsStreamOpen(PRBool *_retval)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(_retval)
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*_retval = (mInputStream || mOutputStream);
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::GetInputStream(nsIInputStream** _retval)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(_retval)
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if (!mInputStream) {
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nsresult rv = OpenStreamForReading();
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if (NS_FAILED(rv)) return rv;
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}
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*_retval = mInputStream;
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NS_IF_ADDREF(mInputStream);
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::GetOutputStream(nsIOutputStream** _retval)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(_retval)
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if (!mOutputStream) {
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nsresult rv = OpenStreamForWriting();
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if (NS_FAILED(rv)) return rv;
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}
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*_retval = mOutputStream;
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NS_IF_ADDREF(mOutputStream);
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::SetFileContents(const char* inString)
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//----------------------------------------------------------------------------------------
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{
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nsresult rv = OpenStreamForWriting();
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if (NS_FAILED(rv)) return rv;
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PRInt32 count;
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rv = Write(inString, PL_strlen(inString), &count);
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nsresult rv2 = CloseStream();
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return NS_FAILED(rv) ? rv : rv2;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::GetFileContents(char** _retval)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(_retval)
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*_retval = nsnull;
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nsresult rv = OpenStreamForReading();
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if (NS_FAILED(rv)) return rv;
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PRInt32 theSize;
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rv = GetFileSize((PRUint32*)&theSize);
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if (NS_SUCCEEDED(rv))
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rv = Read(_retval, theSize, &theSize);
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if (NS_SUCCEEDED(rv))
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(*_retval)[theSize] = 0;
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nsresult rv2 = CloseStream();
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return NS_FAILED(rv) ? rv : rv2;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::GetFileSpec(nsFileSpec *aFileSpec)
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//----------------------------------------------------------------------------------------
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{
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TEST_OUT_PTR(aFileSpec)
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*aFileSpec = mFileSpec;
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
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NS_IMETHODIMP nsFileSpecImpl::Equals(nsIFileSpec *spec, PRBool *result)
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//----------------------------------------------------------------------------------------
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{
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nsresult rv;
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if (!result || !spec) return NS_ERROR_NULL_POINTER;
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nsFileSpec otherSpec;
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rv = spec->GetFileSpec(&otherSpec);
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if (NS_FAILED(rv)) return rv;
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if (mFileSpec == otherSpec) {
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*result = PR_TRUE;
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}
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else {
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*result = PR_FALSE;
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}
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return NS_OK;
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}
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//----------------------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsFileSpecImpl::SetFromFileSpec(const nsFileSpec& aFileSpec)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
mFileSpec = aFileSpec;
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsFileSpecImpl::Eof(PRBool *_retval)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
TEST_OUT_PTR(_retval)
|
|
if (!mInputStream)
|
|
return NS_ERROR_NULL_POINTER;
|
|
nsInputFileStream s(mInputStream);
|
|
*_retval = s.eof();
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsFileSpecImpl::Read(char** buffer, PRInt32 requestedCount, PRInt32 *_retval)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
TEST_OUT_PTR(_retval)
|
|
TEST_OUT_PTR(buffer)
|
|
if (!mInputStream) {
|
|
nsresult rv = OpenStreamForReading();
|
|
if (NS_FAILED(rv)) return rv;
|
|
}
|
|
if (!*buffer)
|
|
*buffer = (char*)PR_Malloc(requestedCount + 1);
|
|
if (!mInputStream)
|
|
return NS_ERROR_NULL_POINTER;
|
|
nsInputFileStream s(mInputStream);
|
|
*_retval = s.read(*buffer, requestedCount);
|
|
return s.error();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsFileSpecImpl::ReadLine(char** line, PRInt32 bufferSize, PRBool *wasTruncated)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
TEST_OUT_PTR(wasTruncated)
|
|
TEST_OUT_PTR(line)
|
|
if (!mInputStream) {
|
|
nsresult rv = OpenStreamForReading();
|
|
if (NS_FAILED(rv)) return rv;
|
|
}
|
|
if (!*line)
|
|
*line = (char*)PR_Malloc(bufferSize + 1);
|
|
if (!mInputStream)
|
|
return NS_ERROR_NULL_POINTER;
|
|
nsInputFileStream s(mInputStream);
|
|
*wasTruncated = !s.readline(*line, bufferSize);
|
|
return s.error();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsFileSpecImpl::Write(const char * data, PRInt32 requestedCount, PRInt32 *_retval)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
TEST_OUT_PTR(_retval)
|
|
//if (!mOutputStream)
|
|
// return NS_ERROR_NULL_POINTER;
|
|
if (!mOutputStream) {
|
|
nsresult rv = OpenStreamForWriting();
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
}
|
|
nsOutputFileStream s(mOutputStream);
|
|
*_retval = s.write(data, requestedCount);
|
|
return s.error();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsFileSpecImpl::Flush()
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
if (!mOutputStream)
|
|
return NS_ERROR_NULL_POINTER;
|
|
nsOutputFileStream s(mOutputStream);
|
|
s.flush();
|
|
return s.error();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsFileSpecImpl::Seek(PRInt32 offset)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
nsresult result = NS_OK;
|
|
if (mOutputStream)
|
|
{
|
|
nsOutputFileStream os(mOutputStream);
|
|
os.seek(offset);
|
|
result = os.error();
|
|
}
|
|
if (NS_SUCCEEDED(result) && mInputStream)
|
|
{
|
|
nsInputFileStream is(mInputStream);
|
|
is.seek(offset);
|
|
result = is.error();
|
|
}
|
|
return result;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsFileSpecImpl::Tell(PRInt32 *_retval)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
TEST_OUT_PTR(_retval)
|
|
if (!mInputStream)
|
|
return NS_ERROR_NULL_POINTER;
|
|
nsInputFileStream s(mInputStream);
|
|
*_retval = s.tell();
|
|
return s.error();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsFileSpecImpl::EndLine()
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
nsOutputFileStream s(mOutputStream);
|
|
s << nsEndl;
|
|
return s.error();
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS1(nsDirectoryIteratorImpl, nsIDirectoryIterator)
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsDirectoryIteratorImpl::nsDirectoryIteratorImpl()
|
|
//----------------------------------------------------------------------------------------
|
|
: mDirectoryIterator(nsnull)
|
|
{
|
|
NS_INIT_ISUPPORTS();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsDirectoryIteratorImpl::~nsDirectoryIteratorImpl()
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
delete mDirectoryIterator;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsDirectoryIteratorImpl::Init(nsIFileSpec *parent, PRBool resolveSymlink)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
delete mDirectoryIterator;
|
|
mDirectoryIterator = new nsDirectoryIterator(FILESPEC(parent), resolveSymlink);
|
|
if (!mDirectoryIterator)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsDirectoryIteratorImpl::Exists(PRBool *_retval)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
TEST_OUT_PTR(_retval)
|
|
if (!mDirectoryIterator)
|
|
return NS_ERROR_NULL_POINTER;
|
|
*_retval = mDirectoryIterator->Exists();
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsDirectoryIteratorImpl::Next()
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
if (!mDirectoryIterator)
|
|
return NS_ERROR_NULL_POINTER;
|
|
(*mDirectoryIterator)++;
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsDirectoryIteratorImpl::GetCurrentSpec(nsIFileSpec * *aCurrentSpec)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
if (!mDirectoryIterator)
|
|
return NS_ERROR_NULL_POINTER;
|
|
return nsFileSpecImpl::MakeInterface(mDirectoryIterator->Spec(), aCurrentSpec);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
NS_METHOD nsDirectoryIteratorImpl::Create(nsISupports* outer, const nsIID& aIID, void* *aIFileSpec)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
if (aIFileSpec == NULL)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsDirectoryIteratorImpl* it = new nsDirectoryIteratorImpl;
|
|
if (!it)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
nsresult rv = it->QueryInterface(aIID, aIFileSpec);
|
|
if (NS_FAILED(rv))
|
|
{
|
|
delete it;
|
|
return rv;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
NS_METHOD nsFileSpecImpl::Create(nsISupports* outer, const nsIID& aIID, void* *aIFileSpec)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
if (aIFileSpec == NULL)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsFileSpecImpl* it = new nsFileSpecImpl;
|
|
if (!it)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
nsresult rv = it->QueryInterface(aIID, aIFileSpec);
|
|
if (NS_FAILED(rv))
|
|
{
|
|
delete it;
|
|
return rv;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsresult NS_NewFileSpecWithSpec(const nsFileSpec& aSrcFileSpec, nsIFileSpec **result)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
if (!result)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
return nsFileSpecImpl::MakeInterface(aSrcFileSpec, result);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsresult NS_NewFileSpec(nsIFileSpec** result)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
return nsFileSpecImpl::Create(nsnull, NS_GET_IID(nsIFileSpec), (void**)result);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsresult NS_NewDirectoryIterator(nsIDirectoryIterator** result)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
return nsDirectoryIteratorImpl::Create(nsnull, NS_GET_IID(nsIDirectoryIterator), (void**)result);
|
|
}
|