gecko-dev/xpcom/io/nsFileSpecImpl.cpp
2000-03-17 21:53:49 +00:00

823 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();
}
//----------------------------------------------------------------------------------------
nsFileSpecImpl::nsFileSpecImpl(const nsFileSpec& inSpec)
//----------------------------------------------------------------------------------------
: mFileSpec(inSpec)
, mInputStream(nsnull)
, mOutputStream(nsnull)
{
NS_INIT_ISUPPORTS();
}
//----------------------------------------------------------------------------------------
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);
}