gecko-dev/xpcom/io/nsFileSpecImpl.cpp
dougt%netscape.com 4ebce97a3b checked in warren's patch to remove circular memory leak in directory service
removed strcmp'er in favor of atom compares.
added comments to nsFileSpec indicating that it is no longer supported.
2000-04-25 01:48:02 +00:00

827 lines
29 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
*/
#include "nsFileSpecImpl.h"// Always first, to ensure that it compiles alone.
#include "nsIFileStream.h"
#include "nsFileStream.h"
#include "prmem.h"
NS_IMPL_THREADSAFE_ISUPPORTS1(nsFileSpecImpl, nsIFileSpec)
#ifdef NS_DEBUG
#define TEST_OUT_PTR(p) \
if (!(p)) \
return NS_ERROR_NULL_POINTER;
#else
#define TEST_OUT_PTR(p)
#endif
//----------------------------------------------------------------------------------------
nsFileSpecImpl::nsFileSpecImpl()
//----------------------------------------------------------------------------------------
: mInputStream(nsnull)
, mOutputStream(nsnull)
{
NS_INIT_ISUPPORTS();
// NS_ASSERTION(0, "nsFileSpec is unsupported - use nsIFile!");
}
//----------------------------------------------------------------------------------------
nsFileSpecImpl::nsFileSpecImpl(const nsFileSpec& inSpec)
//----------------------------------------------------------------------------------------
: mFileSpec(inSpec)
, mInputStream(nsnull)
, mOutputStream(nsnull)
{
NS_INIT_ISUPPORTS();
// NS_ASSERTION(0, "nsFileSpec is unsupported - use nsIFile!");
}
//----------------------------------------------------------------------------------------
nsFileSpecImpl::~nsFileSpecImpl()
//----------------------------------------------------------------------------------------
{
CloseStream();
}
//----------------------------------------------------------------------------------------
/* static */
nsresult nsFileSpecImpl::MakeInterface(const nsFileSpec& inSpec, nsIFileSpec** result)
//----------------------------------------------------------------------------------------
{
nsFileSpecImpl* it = new nsFileSpecImpl(inSpec);
if (!it)
return NS_ERROR_OUT_OF_MEMORY;
return it->QueryInterface(NS_GET_IID(nsIFileSpec), (void **) result);
} // nsFileSpecImpl::MakeInterface
#define FILESPEC(ifilespec) ((nsFileSpecImpl*)ifilespec)->mFileSpec
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::FromFileSpec(const nsIFileSpec *original)
//----------------------------------------------------------------------------------------
{
if (original) {
nsresult rv = ((nsIFileSpec *)original)->GetFileSpec( &mFileSpec);
if (NS_SUCCEEDED( rv))
return mFileSpec.Error();
else
return( rv);
}
else
return( NS_ERROR_FAILURE);
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::IsChildOf(nsIFileSpec *possibleParent,
PRBool *_retval)
{
*_retval = mFileSpec.IsChildOf(FILESPEC(possibleParent));
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::GetURLString(char * *aURLString)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(aURLString)
if (mFileSpec.Failed())
return mFileSpec.Error();
nsFileURL url(mFileSpec);
*aURLString = nsCRT::strdup(url.GetURLString());
if (!*aURLString)
return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
} // nsFileSpecImpl::GetURLString
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::SetURLString(const char * aURLString)
//----------------------------------------------------------------------------------------
{
mFileSpec = nsFileURL(aURLString);
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::GetUnixStyleFilePath(char * *aUnixStyleFilePath)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(aUnixStyleFilePath)
if (mFileSpec.Failed())
return mFileSpec.Error();
nsFilePath path(mFileSpec);
*aUnixStyleFilePath = nsCRT::strdup((const char*) path);
if (!*aUnixStyleFilePath)
return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::SetUnixStyleFilePath(const char * aUnixStyleFilePath)
//----------------------------------------------------------------------------------------
{
mFileSpec = nsFilePath(aUnixStyleFilePath);
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::GetPersistentDescriptorString(char * *aPersistentDescriptorString)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(aPersistentDescriptorString)
if (mFileSpec.Failed())
return mFileSpec.Error();
nsPersistentFileDescriptor desc(mFileSpec);
nsSimpleCharString data;
desc.GetData(data);
*aPersistentDescriptorString = nsCRT::strdup((const char*) data);
if (!*aPersistentDescriptorString)
return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::SetPersistentDescriptorString(const char * aPersistentDescriptorString)
//----------------------------------------------------------------------------------------
{
nsPersistentFileDescriptor desc(mFileSpec);
desc.SetData(aPersistentDescriptorString);
mFileSpec = desc;
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::GetNativePath(char * *aNativePath)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(aNativePath)
if (mFileSpec.Failed())
return mFileSpec.Error();
*aNativePath = nsCRT::strdup(mFileSpec.GetNativePathCString());
if (!*aNativePath)
return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::SetNativePath(const char * aNativePath)
//----------------------------------------------------------------------------------------
{
mFileSpec = aNativePath;
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::GetNSPRPath(char * *aNSPRPath)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(aNSPRPath)
if (mFileSpec.Failed())
return mFileSpec.Error();
nsNSPRPath path(mFileSpec);
*aNSPRPath = nsCRT::strdup((const char*) path);
if (!*aNSPRPath)
return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::Error()
//----------------------------------------------------------------------------------------
{
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::IsValid(PRBool *_retval)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(_retval)
*_retval = mFileSpec.Valid();
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::Failed(PRBool *_retval)
//----------------------------------------------------------------------------------------
{
*_retval = mFileSpec.Failed();
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::GetLeafName(char * *aLeafName)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(aLeafName)
*aLeafName = mFileSpec.GetLeafName();
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::SetLeafName(const char * aLeafName)
//----------------------------------------------------------------------------------------
{
mFileSpec.SetLeafName(aLeafName);
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::GetParent(nsIFileSpec * *aParent)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(aParent)
nsFileSpec parent;
mFileSpec.GetParent(parent);
return MakeInterface(parent, aParent);
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::MakeUnique()
//----------------------------------------------------------------------------------------
{
mFileSpec.MakeUnique();
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::MakeUniqueWithSuggestedName(const char *suggestedName)
//----------------------------------------------------------------------------------------
{
mFileSpec.MakeUnique(suggestedName);
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::GetModDate(PRUint32 *aModDate)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(aModDate)
nsFileSpec::TimeStamp stamp;
mFileSpec.GetModDate(stamp);
*aModDate = stamp;
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::ModDateChanged(PRUint32 oldStamp, PRBool *_retval)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(_retval)
*_retval = mFileSpec.ModDateChanged(oldStamp);
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::IsDirectory(PRBool *_retval)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(_retval)
*_retval = mFileSpec.IsDirectory();
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::IsFile(PRBool *_retval)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(_retval)
*_retval = mFileSpec.IsFile();
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::Exists(PRBool *_retval)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(_retval)
*_retval = mFileSpec.Exists();
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::IsHidden(PRBool *_retval)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(_retval)
*_retval = mFileSpec.IsHidden();
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::IsSymlink(PRBool *_retval)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(_retval)
*_retval = mFileSpec.IsSymlink();
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::ResolveSymlink()
//----------------------------------------------------------------------------------------
{
PRBool ignore;
return mFileSpec.ResolveSymlink(ignore);
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::GetFileSize(PRUint32 *aFileSize)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(aFileSize)
*aFileSize = mFileSpec.GetFileSize();
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::GetDiskSpaceAvailable(PRInt64 *aDiskSpaceAvailable)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(aDiskSpaceAvailable)
*aDiskSpaceAvailable = mFileSpec.GetDiskSpaceAvailable();
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::AppendRelativeUnixPath(const char *relativePath)
//----------------------------------------------------------------------------------------
{
mFileSpec += relativePath;
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::Touch()
//----------------------------------------------------------------------------------------
{
// create an empty file, like the UNIX touch command.
nsresult rv;
rv = OpenStreamForWriting();
if (NS_FAILED(rv)) return rv;
rv = CloseStream();
return rv;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::CreateDir()
//----------------------------------------------------------------------------------------
{
mFileSpec.CreateDir();
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::Delete(PRBool aRecursive)
//----------------------------------------------------------------------------------------
{
mFileSpec.Delete(aRecursive);
return mFileSpec.Error();
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::Truncate(PRInt32 aNewLength)
//----------------------------------------------------------------------------------------
{
return mFileSpec.Truncate(aNewLength);
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::Rename(const char *newLeafName)
//----------------------------------------------------------------------------------------
{
return mFileSpec.Rename(newLeafName);
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::CopyToDir(const nsIFileSpec *newParentDir)
//----------------------------------------------------------------------------------------
{
return mFileSpec.CopyToDir(FILESPEC(newParentDir));
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::MoveToDir(const nsIFileSpec *newParentDir)
//----------------------------------------------------------------------------------------
{
return mFileSpec.MoveToDir(FILESPEC(newParentDir));
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::Execute(const char *args)
//----------------------------------------------------------------------------------------
{
return mFileSpec.Execute(args);
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::OpenStreamForReading()
//----------------------------------------------------------------------------------------
{
if (mInputStream || mOutputStream)
return NS_ERROR_FAILURE;
return NS_NewTypicalInputFileStream((nsISupports**)&mInputStream, mFileSpec);
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::OpenStreamForWriting()
//----------------------------------------------------------------------------------------
{
if (mInputStream || mOutputStream)
return NS_ERROR_FAILURE;
return NS_NewTypicalOutputFileStream((nsISupports**)&mOutputStream, mFileSpec);
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::OpenStreamForReadingAndWriting()
//----------------------------------------------------------------------------------------
{
if (mInputStream || mOutputStream)
return NS_ERROR_FAILURE;
nsresult result = NS_NewTypicalInputFileStream((nsISupports**)&mInputStream, mFileSpec);
if (NS_SUCCEEDED(result))
result = NS_NewTypicalOutputFileStream((nsISupports**)&mOutputStream, mFileSpec);
return result;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::CloseStream()
//----------------------------------------------------------------------------------------
{
NS_IF_RELEASE(mInputStream);
NS_IF_RELEASE(mOutputStream);
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::IsStreamOpen(PRBool *_retval)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(_retval)
*_retval = (mInputStream || mOutputStream);
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::GetInputStream(nsIInputStream** _retval)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(_retval)
if (!mInputStream) {
nsresult rv = OpenStreamForReading();
if (NS_FAILED(rv)) return rv;
}
*_retval = mInputStream;
NS_IF_ADDREF(mInputStream);
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::GetOutputStream(nsIOutputStream** _retval)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(_retval)
if (!mOutputStream) {
nsresult rv = OpenStreamForWriting();
if (NS_FAILED(rv)) return rv;
}
*_retval = mOutputStream;
NS_IF_ADDREF(mOutputStream);
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::SetFileContents(const char* inString)
//----------------------------------------------------------------------------------------
{
nsresult rv = OpenStreamForWriting();
if (NS_FAILED(rv)) return rv;
PRInt32 count;
rv = Write(inString, PL_strlen(inString), &count);
nsresult rv2 = CloseStream();
return NS_FAILED(rv) ? rv : rv2;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::GetFileContents(char** _retval)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(_retval)
*_retval = nsnull;
nsresult rv = OpenStreamForReading();
if (NS_FAILED(rv)) return rv;
PRInt32 theSize;
rv = GetFileSize((PRUint32*)&theSize);
if (NS_SUCCEEDED(rv))
rv = Read(_retval, theSize, &theSize);
if (NS_SUCCEEDED(rv))
(*_retval)[theSize] = 0;
nsresult rv2 = CloseStream();
return NS_FAILED(rv) ? rv : rv2;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::GetFileSpec(nsFileSpec *aFileSpec)
//----------------------------------------------------------------------------------------
{
TEST_OUT_PTR(aFileSpec)
*aFileSpec = mFileSpec;
return NS_OK;
}
//----------------------------------------------------------------------------------------
NS_IMETHODIMP nsFileSpecImpl::Equals(nsIFileSpec *spec, PRBool *result)
//----------------------------------------------------------------------------------------
{
nsresult rv;
if (!result || !spec) return NS_ERROR_NULL_POINTER;
nsFileSpec otherSpec;
rv = spec->GetFileSpec(&otherSpec);
if (NS_FAILED(rv)) return rv;
if (mFileSpec == otherSpec) {
*result = PR_TRUE;
}
else {
*result = PR_FALSE;
}
return NS_OK;
}
//----------------------------------------------------------------------------------------
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);
}