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pjs/xpcom/io/nsLocalFileOSX.cpp

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/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 the Initial Developer are Copyright (C) 2001, 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Conrad Carlen <ccarlen@netscape.com>
* Jungshik Shin <jshin@mailaps.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsLocalFile.h"
#include "nsString.h"
#include "nsReadableUtils.h"
#include "nsISimpleEnumerator.h"
#include "nsITimelineService.h"
#include "nsVoidArray.h"
#include "plbase64.h"
#include "prmem.h"
#include "nsCRT.h"
#include "MoreFilesX.h"
#include "FSCopyObject.h"
#include "nsAutoBuffer.h"
// Mac Includes
#include <Aliases.h>
#include <Gestalt.h>
#include <AppleEvents.h>
#include <AEDataModel.h>
#include <Processes.h>
#include <Carbon/Carbon.h>
// Unix Includes
#include <sys/stat.h>
//*****************************************************************************
// Static Function Prototypes
//*****************************************************************************
static nsresult MacErrorMapper(OSErr inErr);
static OSErr FindRunningAppBySignature(OSType aAppSig, ProcessSerialNumber& outPsn);
static void CopyUTF8toUTF16NFC(const nsACString& aSrc, nsAString& aResult);
//*****************************************************************************
// Local Helper Classes
//*****************************************************************************
#pragma mark -
#pragma mark [FSRef operator==]
bool operator==(const FSRef& lhs, const FSRef& rhs)
{
return (::FSCompareFSRefs(&lhs, &rhs) == noErr);
}
#pragma mark -
#pragma mark [StFollowLinksState]
class StFollowLinksState
{
public:
StFollowLinksState(nsLocalFile& aFile) :
mFile(aFile)
{
mFile.GetFollowLinks(&mSavedState);
}
StFollowLinksState(nsLocalFile& aFile, PRBool followLinksState) :
mFile(aFile)
{
mFile.GetFollowLinks(&mSavedState);
mFile.SetFollowLinks(followLinksState);
}
~StFollowLinksState()
{
mFile.SetFollowLinks(mSavedState);
}
private:
nsLocalFile& mFile;
PRBool mSavedState;
};
#pragma mark -
#pragma mark [nsDirEnumerator]
class nsDirEnumerator : public nsISimpleEnumerator
{
public:
NS_DECL_ISUPPORTS
nsDirEnumerator() :
mIterator(nsnull),
mFSRefsArray(nsnull),
mArrayCnt(0), mArrayIndex(0)
{
}
nsresult Init(nsILocalFileMac* parent)
{
NS_ENSURE_ARG(parent);
OSErr err;
nsresult rv;
FSRef parentRef;
rv = parent->GetFSRef(&parentRef);
if (NS_FAILED(rv))
return rv;
mFSRefsArray = (FSRef *)nsMemory::Alloc(sizeof(FSRef)
* kRequestCountPerIteration);
if (!mFSRefsArray)
return NS_ERROR_OUT_OF_MEMORY;
err = ::FSOpenIterator(&parentRef, kFSIterateFlat, &mIterator);
if (err != noErr)
return MacErrorMapper(err);
return NS_OK;
}
NS_IMETHOD HasMoreElements(PRBool *result)
{
if (mNext == nsnull) {
if (mArrayIndex >= mArrayCnt) {
ItemCount actualCnt;
OSErr err = ::FSGetCatalogInfoBulk(mIterator,
kRequestCountPerIteration,
&actualCnt,
nsnull,
kFSCatInfoNone,
nsnull,
mFSRefsArray,
nsnull,
nsnull);
if (err == noErr || err == errFSNoMoreItems) {
mArrayCnt = actualCnt;
mArrayIndex = 0;
}
}
if (mArrayIndex < mArrayCnt) {
nsLocalFile *newFile = new nsLocalFile;
if (!newFile)
return NS_ERROR_OUT_OF_MEMORY;
FSRef fsRef = mFSRefsArray[mArrayIndex];
if (NS_FAILED(newFile->InitWithFSRef(&fsRef)))
return NS_ERROR_FAILURE;
mArrayIndex++;
mNext = newFile;
}
}
*result = mNext != nsnull;
return NS_OK;
}
NS_IMETHOD GetNext(nsISupports **result)
{
NS_ENSURE_ARG_POINTER(result);
*result = nsnull;
nsresult rv;
PRBool hasMore;
rv = HasMoreElements(&hasMore);
if (NS_FAILED(rv)) return rv;
*result = mNext; // might return nsnull
NS_IF_ADDREF(*result);
mNext = nsnull;
return NS_OK;
}
private:
~nsDirEnumerator()
{
if (mIterator)
::FSCloseIterator(mIterator);
if (mFSRefsArray)
nsMemory::Free(mFSRefsArray);
}
protected:
// According to Apple doc, request the number of objects
// per call that will fit in 4 VM pages.
enum {
kRequestCountPerIteration = ((4096 * 4) / sizeof(FSRef))
};
nsCOMPtr<nsILocalFileMac> mNext;
FSIterator mIterator;
FSRef *mFSRefsArray;
PRInt32 mArrayCnt, mArrayIndex;
};
NS_IMPL_ISUPPORTS1(nsDirEnumerator, nsISimpleEnumerator)
#pragma mark -
#pragma mark [StAEDesc]
class StAEDesc: public AEDesc
{
public:
StAEDesc()
{
descriptorType = typeNull;
dataHandle = nil;
}
~StAEDesc()
{
::AEDisposeDesc(this);
}
};
#define FILENAME_BUFFER_SIZE 512
//*****************************************************************************
// nsLocalFile
//*****************************************************************************
const char nsLocalFile::kPathSepChar = '/';
const PRUnichar nsLocalFile::kPathSepUnichar = '/';
// The HFS+ epoch is Jan. 1, 1904 GMT - differs from HFS in which times were local
// The NSPR epoch is Jan. 1, 1970 GMT
// 2082844800 is the difference in seconds between those dates
const PRInt64 nsLocalFile::kJanuaryFirst1970Seconds = 2082844800LL;
#pragma mark -
#pragma mark [CTORs/DTOR]
nsLocalFile::nsLocalFile() :
mBaseRef(nsnull),
mTargetRef(nsnull),
mCachedFSRefValid(PR_FALSE),
mFollowLinks(PR_TRUE),
mFollowLinksDirty(PR_TRUE)
{
}
nsLocalFile::nsLocalFile(const nsLocalFile& src) :
mBaseRef(src.mBaseRef),
mTargetRef(src.mTargetRef),
mCachedFSRef(src.mCachedFSRef),
mCachedFSRefValid(src.mCachedFSRefValid),
mFollowLinks(src.mFollowLinks),
mFollowLinksDirty(src.mFollowLinksDirty)
{
// A CFURLRef is immutable so no need to copy, just retain.
if (mBaseRef)
::CFRetain(mBaseRef);
if (mTargetRef)
::CFRetain(mTargetRef);
}
nsLocalFile::~nsLocalFile()
{
if (mBaseRef)
::CFRelease(mBaseRef);
if (mTargetRef)
::CFRelease(mTargetRef);
}
//*****************************************************************************
// nsLocalFile::nsISupports
//*****************************************************************************
#pragma mark -
#pragma mark [nsISupports]
NS_IMPL_THREADSAFE_ISUPPORTS3(nsLocalFile,
nsILocalFileMac,
nsILocalFile,
nsIFile)
NS_METHOD nsLocalFile::nsLocalFileConstructor(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr)
{
NS_ENSURE_ARG_POINTER(aInstancePtr);
NS_ENSURE_NO_AGGREGATION(outer);
nsLocalFile* inst = new nsLocalFile();
if (inst == NULL)
return NS_ERROR_OUT_OF_MEMORY;
nsresult rv = inst->QueryInterface(aIID, aInstancePtr);
if (NS_FAILED(rv))
{
delete inst;
return rv;
}
return NS_OK;
}
//*****************************************************************************
// nsLocalFile::nsIFile
//*****************************************************************************
#pragma mark -
#pragma mark [nsIFile]
/* void append (in AString node); */
NS_IMETHODIMP nsLocalFile::Append(const nsAString& aNode)
{
return AppendNative(NS_ConvertUCS2toUTF8(aNode));
}
/* [noscript] void appendNative (in ACString node); */
NS_IMETHODIMP nsLocalFile::AppendNative(const nsACString& aNode)
{
if (!mBaseRef)
return NS_ERROR_NOT_INITIALIZED;
nsACString::const_iterator start, end;
aNode.BeginReading(start);
aNode.EndReading(end);
if (FindCharInReadable(kPathSepChar, start, end))
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
CFStringRef nodeStrRef = ::CFStringCreateWithCString(kCFAllocatorDefault,
PromiseFlatCString(aNode).get(),
kCFStringEncodingUTF8);
if (nodeStrRef) {
CFURLRef newRef = ::CFURLCreateCopyAppendingPathComponent(kCFAllocatorDefault,
mBaseRef, nodeStrRef, PR_FALSE);
::CFRelease(nodeStrRef);
if (newRef) {
SetBaseRef(newRef);
::CFRelease(newRef);
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
/* void normalize (); */
NS_IMETHODIMP nsLocalFile::Normalize()
{
return NS_OK;
}
/* void create (in unsigned long type, in unsigned long permissions); */
NS_IMETHODIMP nsLocalFile::Create(PRUint32 type, PRUint32 permissions)
{
if (type != NORMAL_FILE_TYPE && type != DIRECTORY_TYPE)
return NS_ERROR_FILE_UNKNOWN_TYPE;
if (!mBaseRef)
return NS_ERROR_NOT_INITIALIZED;
nsStringArray nonExtantNodes;
CFURLRef pathURLRef = mBaseRef;
FSRef pathFSRef;
CFStringRef leafStrRef = nsnull;
nsAutoBuffer<UniChar, FILENAME_BUFFER_SIZE> buffer;
Boolean success;
// Work backwards through the path to find the last node which
// exists. Place the nodes which don't exist in an array and we'll
// create those below.
while ((success = ::CFURLGetFSRef(pathURLRef, &pathFSRef)) == false) {
leafStrRef = ::CFURLCopyLastPathComponent(pathURLRef);
if (!leafStrRef)
break;
CFIndex leafLen = ::CFStringGetLength(leafStrRef);
if (!buffer.EnsureElemCapacity(leafLen + 1))
break;
::CFStringGetCharacters(leafStrRef, CFRangeMake(0, leafLen), buffer.get());
buffer.get()[leafLen] = '\0';
nonExtantNodes.AppendString(nsString(nsDependentString(buffer.get())));
::CFRelease(leafStrRef);
leafStrRef = nsnull;
// Get the parent of the leaf for the next go round
CFURLRef parent = ::CFURLCreateCopyDeletingLastPathComponent(NULL, pathURLRef);
if (!parent)
break;
if (pathURLRef != mBaseRef)
::CFRelease(pathURLRef);
pathURLRef = parent;
}
if (pathURLRef != mBaseRef)
::CFRelease(pathURLRef);
if (leafStrRef != nsnull)
::CFRelease(leafStrRef);
if (!success)
return NS_ERROR_FAILURE;
PRInt32 nodesToCreate = nonExtantNodes.Count();
if (nodesToCreate == 0)
return NS_ERROR_FILE_ALREADY_EXISTS;
OSErr err;
nsAutoString nextNodeName;
for (PRInt32 i = nodesToCreate - 1; i > 0; i--) {
nonExtantNodes.StringAt(i, nextNodeName);
err = ::FSCreateDirectoryUnicode(&pathFSRef,
nextNodeName.Length(),
(const UniChar *)nextNodeName.get(),
kFSCatInfoNone,
nsnull, &pathFSRef, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
}
nonExtantNodes.StringAt(0, nextNodeName);
if (type == NORMAL_FILE_TYPE) {
err = ::FSCreateFileUnicode(&pathFSRef,
nextNodeName.Length(),
(const UniChar *)nextNodeName.get(),
kFSCatInfoNone,
nsnull, nsnull, nsnull);
}
else {
err = ::FSCreateDirectoryUnicode(&pathFSRef,
nextNodeName.Length(),
(const UniChar *)nextNodeName.get(),
kFSCatInfoNone,
nsnull, nsnull, nsnull, nsnull);
}
return MacErrorMapper(err);
}
/* attribute AString leafName; */
NS_IMETHODIMP nsLocalFile::GetLeafName(nsAString& aLeafName)
{
nsCAutoString nativeString;
nsresult rv = GetNativeLeafName(nativeString);
if (NS_FAILED(rv))
return rv;
CopyUTF8toUTF16NFC(nativeString, aLeafName);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetLeafName(const nsAString& aLeafName)
{
return SetNativeLeafName(NS_ConvertUCS2toUTF8(aLeafName));
}
/* [noscript] attribute ACString nativeLeafName; */
NS_IMETHODIMP nsLocalFile::GetNativeLeafName(nsACString& aNativeLeafName)
{
if (!mBaseRef)
return NS_ERROR_NOT_INITIALIZED;
nsresult rv = NS_ERROR_FAILURE;
CFStringRef leafStrRef = ::CFURLCopyLastPathComponent(mBaseRef);
if (leafStrRef) {
rv = CFStringReftoUTF8(leafStrRef, aNativeLeafName);
::CFRelease(leafStrRef);
}
return rv;
}
NS_IMETHODIMP nsLocalFile::SetNativeLeafName(const nsACString& aNativeLeafName)
{
if (!mBaseRef)
return NS_ERROR_NOT_INITIALIZED;
nsresult rv = NS_ERROR_FAILURE;
CFURLRef parentURLRef = ::CFURLCreateCopyDeletingLastPathComponent(kCFAllocatorDefault, mBaseRef);
if (parentURLRef) {
CFStringRef nodeStrRef = ::CFStringCreateWithCString(kCFAllocatorDefault,
PromiseFlatCString(aNativeLeafName).get(),
kCFStringEncodingUTF8);
if (nodeStrRef) {
CFURLRef newURLRef = ::CFURLCreateCopyAppendingPathComponent(kCFAllocatorDefault,
parentURLRef, nodeStrRef, PR_FALSE);
if (newURLRef) {
SetBaseRef(newURLRef);
::CFRelease(newURLRef);
rv = NS_OK;
}
::CFRelease(nodeStrRef);
}
::CFRelease(parentURLRef);
}
return rv;
}
/* void copyTo (in nsIFile newParentDir, in AString newName); */
NS_IMETHODIMP nsLocalFile::CopyTo(nsIFile *newParentDir, const nsAString& newName)
{
return MoveCopy(newParentDir, newName, PR_TRUE, PR_FALSE);
}
/* [noscrpit] void CopyToNative (in nsIFile newParentDir, in ACString newName); */
NS_IMETHODIMP nsLocalFile::CopyToNative(nsIFile *newParentDir, const nsACString& newName)
{
return MoveCopy(newParentDir, NS_ConvertUTF8toUCS2(newName), PR_TRUE, PR_FALSE);
}
/* void copyToFollowingLinks (in nsIFile newParentDir, in AString newName); */
NS_IMETHODIMP nsLocalFile::CopyToFollowingLinks(nsIFile *newParentDir, const nsAString& newName)
{
return MoveCopy(newParentDir, newName, PR_TRUE, PR_TRUE);
}
/* [noscript] void copyToFollowingLinksNative (in nsIFile newParentDir, in ACString newName); */
NS_IMETHODIMP nsLocalFile::CopyToFollowingLinksNative(nsIFile *newParentDir, const nsACString& newName)
{
return MoveCopy(newParentDir, NS_ConvertUTF8toUCS2(newName), PR_TRUE, PR_TRUE);
}
/* void moveTo (in nsIFile newParentDir, in AString newName); */
NS_IMETHODIMP nsLocalFile::MoveTo(nsIFile *newParentDir, const nsAString& newName)
{
return MoveCopy(newParentDir, newName, FALSE, FALSE);
}
/* [noscript] void moveToNative (in nsIFile newParentDir, in ACString newName); */
NS_IMETHODIMP nsLocalFile::MoveToNative(nsIFile *newParentDir, const nsACString& newName)
{
return MoveCopy(newParentDir, NS_ConvertUTF8toUCS2(newName), FALSE, FALSE);
}
/* void remove (in boolean recursive); */
NS_IMETHODIMP nsLocalFile::Remove(PRBool recursive)
{
StFollowLinksState followLinks(*this, PR_FALSE); // XXX If we're an alias, never remove target
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
PRBool isDir;
rv = IsDirectory(&isDir);
if (NS_FAILED(rv))
return rv;
OSErr err;
if (recursive && isDir)
err = ::FSDeleteContainer(&fsRef);
else
err = ::FSDeleteObject(&fsRef);
mCachedFSRefValid = PR_FALSE;
return MacErrorMapper(err);
}
/* attribute unsigned long permissions; */
NS_IMETHODIMP nsLocalFile::GetPermissions(PRUint32 *aPermissions)
{
NS_ENSURE_ARG_POINTER(aPermissions);
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
FSCatalogInfo catalogInfo;
OSErr err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoPermissions, &catalogInfo,
nsnull, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
FSPermissionInfo *permPtr = (FSPermissionInfo*)catalogInfo.permissions;
*aPermissions = permPtr->mode;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetPermissions(PRUint32 aPermissions)
{
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
FSCatalogInfo catalogInfo;
OSErr err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoPermissions, &catalogInfo,
nsnull, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
FSPermissionInfo *permPtr = (FSPermissionInfo*)catalogInfo.permissions;
permPtr->mode = (UInt16)aPermissions;
err = ::FSSetCatalogInfo(&fsRef, kFSCatInfoPermissions, &catalogInfo);
return MacErrorMapper(err);
}
/* attribute unsigned long permissionsOfLink; */
NS_IMETHODIMP nsLocalFile::GetPermissionsOfLink(PRUint32 *aPermissionsOfLink)
{
NS_ERROR("NS_ERROR_NOT_IMPLEMENTED");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsLocalFile::SetPermissionsOfLink(PRUint32 aPermissionsOfLink)
{
NS_ERROR("NS_ERROR_NOT_IMPLEMENTED");
return NS_ERROR_NOT_IMPLEMENTED;
}
/* attribute PRInt64 lastModifiedTime; */
NS_IMETHODIMP nsLocalFile::GetLastModifiedTime(PRInt64 *aLastModifiedTime)
{
NS_ENSURE_ARG_POINTER(aLastModifiedTime);
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
FSCatalogInfo catalogInfo;
OSErr err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoContentMod, &catalogInfo,
nsnull, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
*aLastModifiedTime = HFSPlustoNSPRTime(catalogInfo.contentModDate);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetLastModifiedTime(PRInt64 aLastModifiedTime)
{
OSErr err;
nsresult rv;
FSRef fsRef;
FSCatalogInfo catalogInfo;
rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
FSRef parentRef;
PRBool notifyParent;
/* Get the node flags, the content modification date and time, and the parent ref */
err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoNodeFlags + kFSCatInfoContentMod,
&catalogInfo, NULL, NULL, &parentRef);
if (err != noErr)
return MacErrorMapper(err);
/* Notify the parent if this is a file */
notifyParent = (0 == (catalogInfo.nodeFlags & kFSNodeIsDirectoryMask));
NSPRtoHFSPlusTime(aLastModifiedTime, catalogInfo.contentModDate);
err = ::FSSetCatalogInfo(&fsRef, kFSCatInfoContentMod, &catalogInfo);
if (err != noErr)
return MacErrorMapper(err);
/* Send a notification for the parent of the file, or for the directory */
err = FNNotify(notifyParent ? &parentRef : &fsRef, kFNDirectoryModifiedMessage, kNilOptions);
if (err != noErr)
return MacErrorMapper(err);
return NS_OK;
}
/* attribute PRInt64 lastModifiedTimeOfLink; */
NS_IMETHODIMP nsLocalFile::GetLastModifiedTimeOfLink(PRInt64 *aLastModifiedTimeOfLink)
{
NS_ERROR("NS_ERROR_NOT_IMPLEMENTED");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsLocalFile::SetLastModifiedTimeOfLink(PRInt64 aLastModifiedTimeOfLink)
{
NS_ERROR("NS_ERROR_NOT_IMPLEMENTED");
return NS_ERROR_NOT_IMPLEMENTED;
}
/* attribute PRInt64 fileSize; */
NS_IMETHODIMP nsLocalFile::GetFileSize(PRInt64 *aFileSize)
{
NS_ENSURE_ARG_POINTER(aFileSize);
*aFileSize = 0;
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
FSCatalogInfo catalogInfo;
OSErr err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoNodeFlags + kFSCatInfoDataSizes, &catalogInfo,
nsnull, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
// FSGetCatalogInfo can return a bogus size for directories sometimes, so only
// rely on the answer for files
if ((catalogInfo.nodeFlags & kFSNodeIsDirectoryMask) == 0)
*aFileSize = catalogInfo.dataLogicalSize;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetFileSize(PRInt64 aFileSize)
{
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
SInt16 refNum;
OSErr err = ::FSOpenFork(&fsRef, 0, nsnull, fsWrPerm, &refNum);
if (err != noErr)
return MacErrorMapper(err);
err = ::FSSetForkSize(refNum, fsFromStart, aFileSize);
::FSCloseFork(refNum);
return MacErrorMapper(err);
}
/* readonly attribute PRInt64 fileSizeOfLink; */
NS_IMETHODIMP nsLocalFile::GetFileSizeOfLink(PRInt64 *aFileSizeOfLink)
{
NS_ENSURE_ARG_POINTER(aFileSizeOfLink);
StFollowLinksState followLinks(*this, PR_FALSE);
return GetFileSize(aFileSizeOfLink);
}
/* readonly attribute AString target; */
NS_IMETHODIMP nsLocalFile::GetTarget(nsAString& aTarget)
{
NS_ERROR("NS_ERROR_NOT_IMPLEMENTED");
return NS_ERROR_NOT_IMPLEMENTED;
}
/* [noscript] readonly attribute ACString nativeTarget; */
NS_IMETHODIMP nsLocalFile::GetNativeTarget(nsACString& aNativeTarget)
{
NS_ERROR("NS_ERROR_NOT_IMPLEMENTED");
return NS_ERROR_NOT_IMPLEMENTED;
}
/* readonly attribute AString path; */
NS_IMETHODIMP nsLocalFile::GetPath(nsAString& aPath)
{
nsCAutoString nativeString;
nsresult rv = GetNativePath(nativeString);
if (NS_FAILED(rv))
return rv;
CopyUTF8toUTF16NFC(nativeString, aPath);
return NS_OK;
}
/* [noscript] readonly attribute ACString nativePath; */
NS_IMETHODIMP nsLocalFile::GetNativePath(nsACString& aNativePath)
{
if (!mBaseRef)
return NS_ERROR_NOT_INITIALIZED;
nsresult rv = NS_ERROR_FAILURE;
CFStringRef pathStrRef = ::CFURLCopyFileSystemPath(mBaseRef, kCFURLPOSIXPathStyle);
if (pathStrRef) {
rv = CFStringReftoUTF8(pathStrRef, aNativePath);
::CFRelease(pathStrRef);
}
return rv;
}
/* boolean exists (); */
NS_IMETHODIMP nsLocalFile::Exists(PRBool *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = PR_FALSE;
FSRef fsRef;
if (NS_SUCCEEDED(GetFSRefInternal(fsRef, PR_TRUE))) {
*_retval = PR_TRUE;
}
return NS_OK;
}
/* boolean isWritable (); */
NS_IMETHODIMP nsLocalFile::IsWritable(PRBool *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = PR_FALSE;
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
if (::FSCheckLock(&fsRef) == noErr) {
PRUint32 permissions;
rv = GetPermissions(&permissions);
if (NS_FAILED(rv))
return rv;
*_retval = ((permissions & S_IWUSR) != 0);
}
return NS_OK;
}
/* boolean isReadable (); */
NS_IMETHODIMP nsLocalFile::IsReadable(PRBool *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = PR_FALSE;
PRUint32 permissions;
nsresult rv = GetPermissions(&permissions);
if (NS_FAILED(rv))
return rv;
*_retval = ((permissions & S_IRUSR) != 0);
return NS_OK;
}
/* boolean isExecutable (); */
NS_IMETHODIMP nsLocalFile::IsExecutable(PRBool *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = PR_FALSE;
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
LSRequestedInfo theInfoRequest = kLSRequestAllInfo;
LSItemInfoRecord theInfo;
if (::LSCopyItemInfoForRef(&fsRef, theInfoRequest, &theInfo) == noErr) {
if ((theInfo.flags & kLSItemInfoIsApplication) != 0)
*_retval = PR_TRUE;
}
return NS_OK;
}
/* boolean isHidden (); */
NS_IMETHODIMP nsLocalFile::IsHidden(PRBool *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = PR_FALSE;
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
FSCatalogInfo catalogInfo;
HFSUniStr255 leafName;
OSErr err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoNodeFlags, &catalogInfo,
&leafName, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
FileInfo *fInfoPtr = (FileInfo *)(catalogInfo.finderInfo); // Finder flags are in the same place whether we use FileInfo or FolderInfo
if ((fInfoPtr->finderFlags & kIsInvisible) != 0) {
*_retval = PR_TRUE;
}
else {
// If the leaf name begins with a '.', consider it invisible
if (leafName.length >= 1 && leafName.unicode[0] == UniChar('.'))
*_retval = PR_TRUE;
}
return NS_OK;
}
/* boolean isDirectory (); */
NS_IMETHODIMP nsLocalFile::IsDirectory(PRBool *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = PR_FALSE;
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef, PR_FALSE);
if (NS_FAILED(rv))
return rv;
FSCatalogInfo catalogInfo;
OSErr err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoNodeFlags, &catalogInfo,
nsnull, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
*_retval = ((catalogInfo.nodeFlags & kFSNodeIsDirectoryMask) != 0);
return NS_OK;
}
/* boolean isFile (); */
NS_IMETHODIMP nsLocalFile::IsFile(PRBool *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = PR_FALSE;
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef, PR_FALSE);
if (NS_FAILED(rv))
return rv;
FSCatalogInfo catalogInfo;
OSErr err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoNodeFlags, &catalogInfo,
nsnull, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
*_retval = ((catalogInfo.nodeFlags & kFSNodeIsDirectoryMask) == 0);
return NS_OK;
}
/* boolean isSymlink (); */
NS_IMETHODIMP nsLocalFile::IsSymlink(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
if (!mBaseRef)
return NS_ERROR_NOT_INITIALIZED;
FSRef fsRef;
if (::CFURLGetFSRef(mBaseRef, &fsRef)) {
Boolean isAlias, isFolder;
if (::FSIsAliasFile(&fsRef, &isAlias, &isFolder) == noErr)
*_retval = isAlias;
}
return NS_OK;
}
/* boolean isSpecial (); */
NS_IMETHODIMP nsLocalFile::IsSpecial(PRBool *_retval)
{
NS_ERROR("NS_ERROR_NOT_IMPLEMENTED");
return NS_ERROR_NOT_IMPLEMENTED;
}
/* nsIFile clone (); */
NS_IMETHODIMP nsLocalFile::Clone(nsIFile **_retval)
{
// Just copy-construct ourselves
*_retval = new nsLocalFile(*this);
if (!*_retval)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(*_retval);
return NS_OK;
}
/* boolean equals (in nsIFile inFile); */
NS_IMETHODIMP nsLocalFile::Equals(nsIFile *inFile, PRBool *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = PR_FALSE;
nsCOMPtr<nsILocalFileMac> inMacFile(do_QueryInterface(inFile));
if (!inFile)
return NS_OK;
// If both exist, compare FSRefs
FSRef thisFSRef, inFSRef;
nsresult rv1 = GetFSRef(&thisFSRef);
nsresult rv2 = inMacFile->GetFSRef(&inFSRef);
if (NS_SUCCEEDED(rv1) && NS_SUCCEEDED(rv2)) {
*_retval = (thisFSRef == inFSRef);
return NS_OK;
}
// If one exists and the other doesn't, not equal
if (rv1 != rv2)
return NS_OK;
// Arg, we have to get their paths and compare
nsCAutoString thisPath, inPath;
if (NS_FAILED(GetNativePath(thisPath)))
return NS_ERROR_FAILURE;
if (NS_FAILED(inMacFile->GetNativePath(inPath)))
return NS_ERROR_FAILURE;
*_retval = thisPath.Equals(inPath);
return NS_OK;
}
/* boolean contains (in nsIFile inFile, in boolean recur); */
NS_IMETHODIMP nsLocalFile::Contains(nsIFile *inFile, PRBool recur, PRBool *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = PR_FALSE;
PRBool isDir;
nsresult rv = IsDirectory(&isDir);
if (NS_FAILED(rv))
return rv;
if (!isDir)
return NS_OK; // must be a dir to contain someone
nsCAutoString thisPath, inPath;
if (NS_FAILED(GetNativePath(thisPath)) || NS_FAILED(inFile->GetNativePath(inPath)))
return NS_ERROR_FAILURE;
size_t thisPathLen = thisPath.Length();
if ((inPath.Length() > thisPathLen + 1) && (strncasecmp(thisPath.get(), inPath.get(), thisPathLen) == 0)) {
// Now make sure that the |inFile|'s path has a separator at thisPathLen,
// and there's at least one more character after that.
if (inPath[thisPathLen] == kPathSepChar)
*_retval = PR_TRUE;
}
return NS_OK;
}
/* readonly attribute nsIFile parent; */
NS_IMETHODIMP nsLocalFile::GetParent(nsIFile * *aParent)
{
NS_ENSURE_ARG_POINTER(aParent);
*aParent = nsnull;
if (!mBaseRef)
return NS_ERROR_NOT_INITIALIZED;
nsLocalFile *newFile = nsnull;
// If it can be determined without error that a file does not
// have a parent, return nsnull for the parent and NS_OK as the result.
// See bug 133617.
nsresult rv = NS_OK;
CFURLRef parentURLRef = ::CFURLCreateCopyDeletingLastPathComponent(kCFAllocatorDefault, mBaseRef);
if (parentURLRef) {
rv = NS_ERROR_FAILURE;
newFile = new nsLocalFile;
if (newFile) {
rv = newFile->InitWithCFURL(parentURLRef);
if (NS_SUCCEEDED(rv)) {
NS_ADDREF(*aParent = newFile);
rv = NS_OK;
}
}
::CFRelease(parentURLRef);
}
return rv;
}
/* readonly attribute nsISimpleEnumerator directoryEntries; */
NS_IMETHODIMP nsLocalFile::GetDirectoryEntries(nsISimpleEnumerator **aDirectoryEntries)
{
NS_ENSURE_ARG_POINTER(aDirectoryEntries);
*aDirectoryEntries = nsnull;
nsresult rv;
PRBool isDir;
rv = IsDirectory(&isDir);
if (NS_FAILED(rv))
return rv;
if (!isDir)
return NS_ERROR_FILE_NOT_DIRECTORY;
nsDirEnumerator* dirEnum = new nsDirEnumerator;
if (dirEnum == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(dirEnum);
rv = dirEnum->Init(this);
if (NS_FAILED(rv)) {
NS_RELEASE(dirEnum);
return rv;
}
*aDirectoryEntries = dirEnum;
return NS_OK;
}
//*****************************************************************************
// nsLocalFile::nsILocalFile
//*****************************************************************************
#pragma mark -
#pragma mark [nsILocalFile]
/* void initWithPath (in AString filePath); */
NS_IMETHODIMP nsLocalFile::InitWithPath(const nsAString& filePath)
{
return InitWithNativePath(NS_ConvertUCS2toUTF8(filePath));
}
/* [noscript] void initWithNativePath (in ACString filePath); */
NS_IMETHODIMP nsLocalFile::InitWithNativePath(const nsACString& filePath)
{
if (filePath.IsEmpty() || filePath.First() != '/')
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
// On 10.2, huge paths crash CFURLGetFSRef()
if (filePath.Length() > PATH_MAX)
return NS_ERROR_FILE_NAME_TOO_LONG;
// And, a path with consecutive '/'s which are not between
// nodes also crashes CFURLGetFSRef(). Consecutive '/'s which
// are between actual nodes are OK. So, convert consecutive
// '/'s to a single one.
nsCAutoString fixedPath;
fixedPath.Assign(filePath);
fixedPath.ReplaceSubstring("//", "/");
CFStringRef pathAsCFString;
CFURLRef pathAsCFURL;
pathAsCFString = ::CFStringCreateWithCString(nsnull, fixedPath.get(), kCFStringEncodingUTF8);
if (!pathAsCFString)
return NS_ERROR_FAILURE;
pathAsCFURL = ::CFURLCreateWithFileSystemPath(nsnull, pathAsCFString, kCFURLPOSIXPathStyle, PR_FALSE);
if (!pathAsCFURL) {
::CFRelease(pathAsCFString);
return NS_ERROR_FAILURE;
}
SetBaseRef(pathAsCFURL);
::CFRelease(pathAsCFURL);
return NS_OK;
}
/* void initWithFile (in nsILocalFile aFile); */
NS_IMETHODIMP nsLocalFile::InitWithFile(nsILocalFile *aFile)
{
NS_ENSURE_ARG(aFile);
nsCOMPtr<nsILocalFileMac> aFileMac(do_QueryInterface(aFile));
if (!aFileMac)
return NS_ERROR_UNEXPECTED;
CFURLRef urlRef;
nsresult rv = aFileMac->GetCFURL(&urlRef);
if (NS_FAILED(rv))
return rv;
rv = InitWithCFURL(urlRef);
::CFRelease(urlRef);
return rv;
}
/* attribute PRBool followLinks; */
NS_IMETHODIMP nsLocalFile::GetFollowLinks(PRBool *aFollowLinks)
{
NS_ENSURE_ARG_POINTER(aFollowLinks);
*aFollowLinks = mFollowLinks;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetFollowLinks(PRBool aFollowLinks)
{
if (aFollowLinks != mFollowLinks) {
mFollowLinks = aFollowLinks;
UpdateTargetRef();
}
return NS_OK;
}
/* [noscript] PRFileDescStar openNSPRFileDesc (in long flags, in long mode); */
NS_IMETHODIMP nsLocalFile::OpenNSPRFileDesc(PRInt32 flags, PRInt32 mode, PRFileDesc **_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
nsCAutoString path;
nsresult rv = GetPathInternal(path);
if (NS_FAILED(rv))
return rv;
*_retval = PR_Open(path.get(), flags, mode);
if (! *_retval)
return NS_ErrorAccordingToNSPR();
return NS_OK;
}
/* [noscript] FILE openANSIFileDesc (in string mode); */
NS_IMETHODIMP nsLocalFile::OpenANSIFileDesc(const char *mode, FILE **_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
nsCAutoString path;
nsresult rv = GetPathInternal(path);
if (NS_FAILED(rv))
return rv;
*_retval = fopen(path.get(), mode);
if (! *_retval)
return NS_ERROR_FAILURE;
return NS_OK;
}
/* [noscript] PRLibraryStar load (); */
NS_IMETHODIMP nsLocalFile::Load(PRLibrary **_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
NS_TIMELINE_START_TIMER("PR_LoadLibrary");
nsCAutoString path;
nsresult rv = GetPathInternal(path);
if (NS_FAILED(rv))
return rv;
*_retval = PR_LoadLibrary(path.get());
NS_TIMELINE_STOP_TIMER("PR_LoadLibrary");
NS_TIMELINE_MARK_TIMER1("PR_LoadLibrary", path.get());
if (!*_retval)
return NS_ERROR_FAILURE;
return NS_OK;
}
/* readonly attribute PRInt64 diskSpaceAvailable; */
NS_IMETHODIMP nsLocalFile::GetDiskSpaceAvailable(PRInt64 *aDiskSpaceAvailable)
{
NS_ENSURE_ARG_POINTER(aDiskSpaceAvailable);
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
OSErr err;
FSCatalogInfo catalogInfo;
err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoVolume, &catalogInfo,
nsnull, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
FSVolumeInfo volumeInfo;
err = ::FSGetVolumeInfo(catalogInfo.volume, 0, nsnull, kFSVolInfoSizes,
&volumeInfo, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
*aDiskSpaceAvailable = volumeInfo.freeBytes;
return NS_OK;
}
/* void appendRelativePath (in AString relativeFilePath); */
NS_IMETHODIMP nsLocalFile::AppendRelativePath(const nsAString& relativeFilePath)
{
return AppendRelativeNativePath(NS_ConvertUCS2toUTF8(relativeFilePath));
}
/* [noscript] void appendRelativeNativePath (in ACString relativeFilePath); */
NS_IMETHODIMP nsLocalFile::AppendRelativeNativePath(const nsACString& relativeFilePath)
{
if (relativeFilePath.IsEmpty())
return NS_OK;
// No leading '/'
if (relativeFilePath.First() == '/')
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
// Parse the nodes and call Append() for each
nsACString::const_iterator nodeBegin, pathEnd;
relativeFilePath.BeginReading(nodeBegin);
relativeFilePath.EndReading(pathEnd);
nsACString::const_iterator nodeEnd(nodeBegin);
while (nodeEnd != pathEnd) {
FindCharInReadable(kPathSepChar, nodeEnd, pathEnd);
nsresult rv = AppendNative(Substring(nodeBegin, nodeEnd));
if (NS_FAILED(rv))
return rv;
if (nodeEnd != pathEnd) // If there's more left in the string, inc over the '/' nodeEnd is on.
++nodeEnd;
nodeBegin = nodeEnd;
}
return NS_OK;
}
/* attribute ACString persistentDescriptor; */
NS_IMETHODIMP nsLocalFile::GetPersistentDescriptor(nsACString& aPersistentDescriptor)
{
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
AliasHandle aliasH;
OSErr err = ::FSNewAlias(nsnull, &fsRef, &aliasH);
if (err != noErr)
return MacErrorMapper(err);
PRUint32 bytes = ::GetHandleSize((Handle) aliasH);
::HLock((Handle) aliasH);
// Passing nsnull for dest makes NULL-term string
char* buf = PL_Base64Encode((const char*)*aliasH, bytes, nsnull);
::DisposeHandle((Handle) aliasH);
NS_ENSURE_TRUE(buf, NS_ERROR_OUT_OF_MEMORY);
aPersistentDescriptor = buf;
PR_Free(buf);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetPersistentDescriptor(const nsACString& aPersistentDescriptor)
{
if (aPersistentDescriptor.IsEmpty())
return NS_ERROR_INVALID_ARG;
nsresult rv = NS_OK;
PRUint32 dataSize = aPersistentDescriptor.Length();
char* decodedData = PL_Base64Decode(PromiseFlatCString(aPersistentDescriptor).get(), dataSize, nsnull);
if (!decodedData) {
NS_ERROR("SetPersistentDescriptor was given bad data");
return NS_ERROR_FAILURE;
}
// Cast to an alias record and resolve.
PRInt32 aliasSize = (dataSize * 3) / 4;
AliasRecord aliasHeader = *(AliasPtr)decodedData;
if (aliasHeader.aliasSize > aliasSize) { // be paranoid about having too few data
PR_Free(decodedData);
return NS_ERROR_FAILURE;
}
aliasSize = aliasHeader.aliasSize;
// Move the now-decoded data into the Handle.
// The size of the decoded data is 3/4 the size of the encoded data. See plbase64.h
Handle newHandle = nsnull;
if (::PtrToHand(decodedData, &newHandle, aliasSize) != noErr)
rv = NS_ERROR_OUT_OF_MEMORY;
PR_Free(decodedData);
if (NS_FAILED(rv))
return rv;
Boolean changed;
FSRef resolvedFSRef;
OSErr err = ::FSResolveAlias(nsnull, (AliasHandle)newHandle, &resolvedFSRef, &changed);
rv = MacErrorMapper(err);
DisposeHandle(newHandle);
if (NS_FAILED(rv))
return rv;
return InitWithFSRef(&resolvedFSRef);
}
/* void reveal (); */
NS_IMETHODIMP nsLocalFile::Reveal()
{
FSRef fsRefToReveal;
AppleEvent aeEvent = {0, nil};
AppleEvent aeReply = {0, nil};
StAEDesc aeDirDesc, listElem, myAddressDesc, fileList;
OSErr err;
ProcessSerialNumber process;
nsresult rv = GetFSRefInternal(fsRefToReveal);
if (NS_FAILED(rv))
return rv;
err = ::FindRunningAppBySignature ('MACS', process);
if (err == noErr) {
err = ::AECreateDesc(typeProcessSerialNumber, (Ptr)&process, sizeof(process), &myAddressDesc);
if (err == noErr) {
// Create the FinderEvent
err = ::AECreateAppleEvent(kAEMiscStandards, kAEMakeObjectsVisible, &myAddressDesc,
kAutoGenerateReturnID, kAnyTransactionID, &aeEvent);
if (err == noErr) {
// Create the file list
err = ::AECreateList(nil, 0, false, &fileList);
if (err == noErr) {
FSSpec fsSpecToReveal;
err = ::FSRefMakeFSSpec(&fsRefToReveal, &fsSpecToReveal);
if (err == noErr) {
err = ::AEPutPtr(&fileList, 0, typeFSS, &fsSpecToReveal, sizeof(FSSpec));
if (err == noErr) {
err = ::AEPutParamDesc(&aeEvent, keyDirectObject, &fileList);
if (err == noErr) {
err = ::AESend(&aeEvent, &aeReply, kAENoReply, kAENormalPriority, kAEDefaultTimeout, nil, nil);
if (err == noErr)
::SetFrontProcess(&process);
}
}
}
}
}
}
}
return NS_OK;
}
/* void launch (); */
NS_IMETHODIMP nsLocalFile::Launch()
{
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
OSErr err = ::LSOpenFSRef(&fsRef, NULL);
return MacErrorMapper(err);
}
//*****************************************************************************
// nsLocalFile::nsILocalFileMac
//*****************************************************************************
#pragma mark -
#pragma mark [nsILocalFileMac]
/* void initWithCFURL (in CFURLRef aCFURL); */
NS_IMETHODIMP nsLocalFile::InitWithCFURL(CFURLRef aCFURL)
{
NS_ENSURE_ARG(aCFURL);
SetBaseRef(aCFURL);
return NS_OK;
}
/* void initWithFSRef ([const] in FSRefPtr aFSRef); */
NS_IMETHODIMP nsLocalFile::InitWithFSRef(const FSRef *aFSRef)
{
NS_ENSURE_ARG(aFSRef);
nsresult rv = NS_ERROR_FAILURE;
CFURLRef newURLRef = ::CFURLCreateFromFSRef(kCFAllocatorDefault, aFSRef);
if (newURLRef) {
SetBaseRef(newURLRef);
::CFRelease(newURLRef);
rv = NS_OK;
}
return rv;
}
/* void initWithFSSpec ([const] in FSSpecPtr aFileSpec); */
NS_IMETHODIMP nsLocalFile::InitWithFSSpec(const FSSpec *aFileSpec)
{
NS_ENSURE_ARG(aFileSpec);
FSRef fsRef;
OSErr err = ::FSpMakeFSRef(aFileSpec, &fsRef);
if (err == noErr)
return InitWithFSRef(&fsRef);
else if (err == fnfErr) {
CInfoPBRec pBlock;
FSSpec parentDirSpec;
memset(&pBlock, 0, sizeof(CInfoPBRec));
parentDirSpec.name[0] = 0;
pBlock.dirInfo.ioVRefNum = aFileSpec->vRefNum;
pBlock.dirInfo.ioDrDirID = aFileSpec->parID;
pBlock.dirInfo.ioNamePtr = (StringPtr)parentDirSpec.name;
pBlock.dirInfo.ioFDirIndex = -1; //get info on parID
err = ::PBGetCatInfoSync(&pBlock);
if (err != noErr)
return MacErrorMapper(err);
parentDirSpec.vRefNum = aFileSpec->vRefNum;
parentDirSpec.parID = pBlock.dirInfo.ioDrParID;
err = ::FSpMakeFSRef(&parentDirSpec, &fsRef);
if (err != noErr)
return MacErrorMapper(err);
HFSUniStr255 unicodeName;
err = ::HFSNameGetUnicodeName(aFileSpec->name, kTextEncodingUnknown, &unicodeName);
if (err != noErr)
return MacErrorMapper(err);
nsresult rv = InitWithFSRef(&fsRef);
if (NS_FAILED(rv))
return rv;
return Append(nsDependentString(unicodeName.unicode, unicodeName.length));
}
return MacErrorMapper(err);
}
/* void initToAppWithCreatorCode (in OSType aAppCreator); */
NS_IMETHODIMP nsLocalFile::InitToAppWithCreatorCode(OSType aAppCreator)
{
FSRef fsRef;
OSErr err = ::LSFindApplicationForInfo(aAppCreator, nsnull, nsnull, &fsRef, nsnull);
if (err != noErr)
return MacErrorMapper(err);
return InitWithFSRef(&fsRef);
}
/* CFURLRef getCFURL (); */
NS_IMETHODIMP nsLocalFile::GetCFURL(CFURLRef *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
CFURLRef whichURLRef = mFollowLinks ? mTargetRef : mBaseRef;
if (whichURLRef)
::CFRetain(whichURLRef);
*_retval = whichURLRef;
return whichURLRef ? NS_OK : NS_ERROR_FAILURE;
}
/* FSRef getFSRef (); */
NS_IMETHODIMP nsLocalFile::GetFSRef(FSRef *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
return GetFSRefInternal(*_retval);
}
/* FSSpec getFSSpec (); */
NS_IMETHODIMP nsLocalFile::GetFSSpec(FSSpec *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
if (!mBaseRef)
return NS_ERROR_NOT_INITIALIZED;
OSErr err;
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_SUCCEEDED(rv)) {
// If the leaf node exists, things are simple.
err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoNone,
nsnull, nsnull, _retval, nsnull);
return MacErrorMapper(err);
}
else if (rv == NS_ERROR_FILE_NOT_FOUND) {
// If the parent of the leaf exists, make an FSSpec from that.
CFURLRef parentURLRef = ::CFURLCreateCopyDeletingLastPathComponent(kCFAllocatorDefault, mBaseRef);
if (!parentURLRef)
return NS_ERROR_FAILURE;
err = fnfErr;
if (::CFURLGetFSRef(parentURLRef, &fsRef)) {
FSCatalogInfo catalogInfo;
if ((err = ::FSGetCatalogInfo(&fsRef,
kFSCatInfoVolume + kFSCatInfoNodeID + kFSCatInfoTextEncoding,
&catalogInfo, nsnull, nsnull, nsnull)) == noErr) {
nsAutoString leafName;
if (NS_SUCCEEDED(GetLeafName(leafName))) {
Str31 hfsName;
if ((err = ::UnicodeNameGetHFSName(leafName.Length(),
leafName.get(),
catalogInfo.textEncodingHint,
catalogInfo.nodeID == fsRtDirID,
hfsName)) == noErr)
err = ::FSMakeFSSpec(catalogInfo.volume, catalogInfo.nodeID, hfsName, _retval);
}
}
}
::CFRelease(parentURLRef);
rv = MacErrorMapper(err);
}
return rv;
}
/* readonly attribute PRInt64 fileSizeWithResFork; */
NS_IMETHODIMP nsLocalFile::GetFileSizeWithResFork(PRInt64 *aFileSizeWithResFork)
{
NS_ENSURE_ARG_POINTER(aFileSizeWithResFork);
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
FSCatalogInfo catalogInfo;
OSErr err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoDataSizes + kFSCatInfoRsrcSizes,
&catalogInfo, nsnull, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
*aFileSizeWithResFork = catalogInfo.dataLogicalSize + catalogInfo.rsrcLogicalSize;
return NS_OK;
}
/* attribute OSType fileType; */
NS_IMETHODIMP nsLocalFile::GetFileType(OSType *aFileType)
{
NS_ENSURE_ARG_POINTER(aFileType);
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
FinderInfo fInfo;
OSErr err = ::FSGetFinderInfo(&fsRef, &fInfo, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
*aFileType = fInfo.file.fileType;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetFileType(OSType aFileType)
{
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
OSErr err = ::FSChangeCreatorType(&fsRef, 0, aFileType);
return MacErrorMapper(err);
}
/* attribute OSType fileCreator; */
NS_IMETHODIMP nsLocalFile::GetFileCreator(OSType *aFileCreator)
{
NS_ENSURE_ARG_POINTER(aFileCreator);
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
FinderInfo fInfo;
OSErr err = ::FSGetFinderInfo(&fsRef, &fInfo, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
*aFileCreator = fInfo.file.fileCreator;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetFileCreator(OSType aFileCreator)
{
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
OSErr err = ::FSChangeCreatorType(&fsRef, aFileCreator, 0);
return MacErrorMapper(err);
}
/* void setFileTypeAndCreatorFromMIMEType (in string aMIMEType); */
NS_IMETHODIMP nsLocalFile::SetFileTypeAndCreatorFromMIMEType(const char *aMIMEType)
{
// XXX - This should be cut from the API. Would create an evil dependency.
NS_ERROR("NS_ERROR_NOT_IMPLEMENTED");
return NS_ERROR_NOT_IMPLEMENTED;
}
/* void setFileTypeAndCreatorFromExtension (in string aExtension); */
NS_IMETHODIMP nsLocalFile::SetFileTypeAndCreatorFromExtension(const char *aExtension)
{
// XXX - This should be cut from the API. Would create an evil dependency.
NS_ERROR("NS_ERROR_NOT_IMPLEMENTED");
return NS_ERROR_NOT_IMPLEMENTED;
}
/* void launchWithDoc (in nsILocalFile aDocToLoad, in boolean aLaunchInBackground); */
NS_IMETHODIMP nsLocalFile::LaunchWithDoc(nsILocalFile *aDocToLoad, PRBool aLaunchInBackground)
{
PRBool isExecutable;
nsresult rv = IsExecutable(&isExecutable);
if (NS_FAILED(rv))
return rv;
if (!isExecutable)
return NS_ERROR_FILE_EXECUTION_FAILED;
FSRef appFSRef, docFSRef;
rv = GetFSRefInternal(appFSRef);
if (NS_FAILED(rv))
return rv;
if (aDocToLoad) {
nsCOMPtr<nsILocalFileMac> macDoc = do_QueryInterface(aDocToLoad);
rv = macDoc->GetFSRef(&docFSRef);
if (NS_FAILED(rv))
return rv;
}
LSLaunchFlags theLaunchFlags = kLSLaunchDefaults;
LSLaunchFSRefSpec thelaunchSpec;
if (aLaunchInBackground)
theLaunchFlags |= kLSLaunchDontSwitch;
memset(&thelaunchSpec, 0, sizeof(LSLaunchFSRefSpec));
thelaunchSpec.appRef = &appFSRef;
if (aDocToLoad) {
thelaunchSpec.numDocs = 1;
thelaunchSpec.itemRefs = &docFSRef;
}
thelaunchSpec.launchFlags = theLaunchFlags;
OSErr err = ::LSOpenFromRefSpec(&thelaunchSpec, NULL);
if (err != noErr)
return MacErrorMapper(err);
return NS_OK;
}
/* void openDocWithApp (in nsILocalFile aAppToOpenWith, in boolean aLaunchInBackground); */
NS_IMETHODIMP nsLocalFile::OpenDocWithApp(nsILocalFile *aAppToOpenWith, PRBool aLaunchInBackground)
{
nsresult rv;
OSErr err;
FSRef docFSRef, appFSRef;
rv = GetFSRefInternal(docFSRef);
if (NS_FAILED(rv))
return rv;
if (aAppToOpenWith) {
nsCOMPtr<nsILocalFileMac> appFileMac = do_QueryInterface(aAppToOpenWith, &rv);
if (!appFileMac)
return rv;
PRBool isExecutable;
rv = appFileMac->IsExecutable(&isExecutable);
if (NS_FAILED(rv))
return rv;
if (!isExecutable)
return NS_ERROR_FILE_EXECUTION_FAILED;
rv = appFileMac->GetFSRef(&appFSRef);
if (NS_FAILED(rv))
return rv;
}
else {
OSType fileCreator;
rv = GetFileCreator(&fileCreator);
if (NS_FAILED(rv))
return rv;
err = ::LSFindApplicationForInfo(fileCreator, nsnull, nsnull, &appFSRef, nsnull);
if (err != noErr)
return MacErrorMapper(err);
}
LSLaunchFlags theLaunchFlags = kLSLaunchDefaults;
LSLaunchFSRefSpec thelaunchSpec;
if (aLaunchInBackground)
theLaunchFlags |= kLSLaunchDontSwitch;
memset(&thelaunchSpec, 0, sizeof(LSLaunchFSRefSpec));
thelaunchSpec.appRef = &appFSRef;
thelaunchSpec.numDocs = 1;
thelaunchSpec.itemRefs = &docFSRef;
thelaunchSpec.launchFlags = theLaunchFlags;
err = ::LSOpenFromRefSpec(&thelaunchSpec, NULL);
if (err != noErr)
return MacErrorMapper(err);
return NS_OK;
}
/* boolean isPackage (); */
NS_IMETHODIMP nsLocalFile::IsPackage(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_FAILED(rv))
return rv;
FSCatalogInfo catalogInfo;
OSErr err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoNodeFlags + kFSCatInfoFinderInfo,
&catalogInfo, nsnull, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
if ((catalogInfo.nodeFlags & kFSNodeIsDirectoryMask) != 0) {
FileInfo *fInfoPtr = (FileInfo *)(catalogInfo.finderInfo);
if ((fInfoPtr->finderFlags & kHasBundle) != 0) {
*_retval = PR_TRUE;
}
else {
// Folders ending with ".app" are also considered to
// be packages, even if the top-level folder doesn't have bundle set
nsCAutoString name;
if (NS_SUCCEEDED(rv = GetNativeLeafName(name))) {
const char *extPtr = strrchr(name.get(), '.');
if (extPtr) {
if ((nsCRT::strcasecmp(extPtr, ".app") == 0))
*_retval = PR_TRUE;
}
}
}
}
return NS_OK;
}
//*****************************************************************************
// nsLocalFile Methods
//*****************************************************************************
#pragma mark -
#pragma mark [Protected Methods]
nsresult nsLocalFile::SetBaseRef(CFURLRef aCFURLRef)
{
NS_ENSURE_ARG(aCFURLRef);
::CFRetain(aCFURLRef);
if (mBaseRef)
::CFRelease(mBaseRef);
mBaseRef = aCFURLRef;
mFollowLinksDirty = PR_TRUE;
UpdateTargetRef();
mCachedFSRefValid = PR_FALSE;
return NS_OK;
}
nsresult nsLocalFile::UpdateTargetRef()
{
if (!mBaseRef)
return NS_ERROR_NOT_INITIALIZED;
if (mFollowLinksDirty) {
if (mTargetRef) {
::CFRelease(mTargetRef);
mTargetRef = nsnull;
}
if (mFollowLinks) {
mTargetRef = mBaseRef;
::CFRetain(mTargetRef);
FSRef fsRef;
if (::CFURLGetFSRef(mBaseRef, &fsRef)) {
Boolean targetIsFolder, wasAliased;
if (FSResolveAliasFile(&fsRef, true /*resolveAliasChains*/,
&targetIsFolder, &wasAliased) == noErr && wasAliased) {
::CFRelease(mTargetRef);
mTargetRef = CFURLCreateFromFSRef(NULL, &fsRef);
if (!mTargetRef)
return NS_ERROR_FAILURE;
}
}
mFollowLinksDirty = PR_FALSE;
}
}
return NS_OK;
}
nsresult nsLocalFile::GetFSRefInternal(FSRef& aFSRef, PRBool bForceUpdateCache)
{
if (bForceUpdateCache || !mCachedFSRefValid) {
mCachedFSRefValid = PR_FALSE;
CFURLRef whichURLRef = mFollowLinks ? mTargetRef : mBaseRef;
NS_ENSURE_TRUE(whichURLRef, NS_ERROR_NULL_POINTER);
if (::CFURLGetFSRef(whichURLRef, &mCachedFSRef))
mCachedFSRefValid = PR_TRUE;
}
if (mCachedFSRefValid) {
aFSRef = mCachedFSRef;
return NS_OK;
}
// CFURLGetFSRef only returns a Boolean for success,
// so we have to assume what the error was. This is
// the only probable cause.
return NS_ERROR_FILE_NOT_FOUND;
}
nsresult nsLocalFile::GetPathInternal(nsACString& path)
{
nsresult rv = NS_ERROR_FAILURE;
CFURLRef whichURLRef = mFollowLinks ? mTargetRef : mBaseRef;
NS_ENSURE_TRUE(whichURLRef, NS_ERROR_NULL_POINTER);
CFStringRef pathStrRef = ::CFURLCopyFileSystemPath(whichURLRef, kCFURLPOSIXPathStyle);
if (pathStrRef) {
rv = CFStringReftoUTF8(pathStrRef, path);
::CFRelease(pathStrRef);
}
return rv;
}
nsresult nsLocalFile::MoveCopy(nsIFile* aParentDir, const nsAString& newName, PRBool isCopy, PRBool followLinks)
{
StFollowLinksState srcFollowState(*this, followLinks);
nsresult rv;
OSErr err;
FSRef srcFSRef, newFSRef;
rv = GetFSRefInternal(srcFSRef);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIFile> newParentDir = aParentDir;
CFURLRef newBaseURLRef;
if (!newParentDir) {
if (newName.IsEmpty())
return NS_ERROR_INVALID_ARG;
rv = GetParent(getter_AddRefs(newParentDir));
if (NS_FAILED(rv))
return rv;
}
// If newParentDir does not exist, create it
PRBool exists;
rv = newParentDir->Exists(&exists);
if (NS_FAILED(rv))
return rv;
if (!exists) {
rv = newParentDir->Create(nsIFile::DIRECTORY_TYPE, 0666);
if (NS_FAILED(rv))
return rv;
}
FSRef destFSRef;
nsCOMPtr<nsILocalFileMac> newParentDirMac(do_QueryInterface(newParentDir));
if (!newParentDirMac)
return NS_ERROR_NO_INTERFACE;
rv = newParentDirMac->GetFSRef(&destFSRef);
if (NS_FAILED(rv))
return rv;
if (isCopy) {
err = ::FSCopyObject(&srcFSRef, &destFSRef,
newName.Length(), newName.Length() ? PromiseFlatString(newName).get() : nsnull,
0, kFSCatInfoNone, false, false, nsnull, nsnull, &newFSRef);
// don't update ourselves on a copy
}
else {
// According to the API: "If 'this' is a file, and the destination file already
// exists, moveTo will replace the old file."
FSCatalogInfo catalogInfo;
HFSUniStr255 leafName;
err = ::FSGetCatalogInfo(&srcFSRef, kFSCatInfoNodeFlags, &catalogInfo,
newName.IsEmpty() ? &leafName : nsnull, nsnull, nsnull);
if (err == noErr) {
if (!(catalogInfo.nodeFlags & kFSNodeIsDirectoryMask)) {
FSRef oldFileRef;
if (newName.IsEmpty())
err = ::FSMakeFSRefUnicode(&destFSRef, leafName.length, leafName.unicode,
kTextEncodingUnknown, &oldFileRef);
else
err = ::FSMakeFSRefUnicode(&destFSRef, newName.Length(), PromiseFlatString(newName).get(),
kTextEncodingUnknown, &oldFileRef);
if (err == noErr)
::FSDeleteObject(&oldFileRef);
}
}
// First, try the quick way which works only within the same volume
err = ::FSMoveRenameObjectUnicode(&srcFSRef, &destFSRef,
newName.Length(), newName.Length() ? PromiseFlatString(newName).get() : nsnull,
kTextEncodingUnknown, &newFSRef);
if (err == diffVolErr) {
// If on different volumes, resort to copy & delete
err = ::FSCopyObject(&srcFSRef, &destFSRef,
newName.Length(), newName.Length() ? PromiseFlatString(newName).get() : nsnull,
0, kFSCatInfoNone, false, false, nsnull, nsnull, &newFSRef);
::FSDeleteObjects(&srcFSRef);
}
if (err == noErr) {
newBaseURLRef = ::CFURLCreateFromFSRef(kCFAllocatorDefault, &newFSRef);
if (!newBaseURLRef)
return NS_ERROR_FAILURE;
SetBaseRef(newBaseURLRef);
::CFRelease(newBaseURLRef);
}
}
return MacErrorMapper(err);
}
const PRInt64 kMilisecsPerSec = 1000LL;
const PRInt64 kUTCDateTimeFractionDivisor = 65535LL;
PRInt64 nsLocalFile::HFSPlustoNSPRTime(const UTCDateTime& utcTime)
{
// Start with seconds since Jan. 1, 1904 GMT
PRInt64 result = ((PRInt64)utcTime.highSeconds << 32) + (PRInt64)utcTime.lowSeconds;
// Subtract to convert to NSPR epoch of 1970
result -= kJanuaryFirst1970Seconds;
// Convert to milisecs
result *= kMilisecsPerSec;
// Convert the fraction to milisecs and add it
result += ((PRInt64)utcTime.fraction * kMilisecsPerSec) / kUTCDateTimeFractionDivisor;
return result;
}
void nsLocalFile::NSPRtoHFSPlusTime(PRInt64 nsprTime, UTCDateTime& utcTime)
{
PRInt64 fraction = nsprTime % kMilisecsPerSec;
PRInt64 seconds = (nsprTime / kMilisecsPerSec) + kJanuaryFirst1970Seconds;
utcTime.highSeconds = (UInt16)((PRUint64)seconds >> 32);
utcTime.lowSeconds = (UInt32)seconds;
utcTime.fraction = (UInt16)((fraction * kUTCDateTimeFractionDivisor) / kMilisecsPerSec);
}
nsresult nsLocalFile::CFStringReftoUTF8(CFStringRef aInStrRef, nsACString& aOutStr)
{
nsresult rv = NS_ERROR_FAILURE;
CFIndex usedBufLen, inStrLen = ::CFStringGetLength(aInStrRef);
CFIndex charsConverted = ::CFStringGetBytes(aInStrRef, CFRangeMake(0, inStrLen),
kCFStringEncodingUTF8, 0, PR_FALSE, nsnull, 0, &usedBufLen);
if (charsConverted == inStrLen) {
nsAutoBuffer<UInt8, FILENAME_BUFFER_SIZE> buffer;
if (buffer.EnsureElemCapacity(usedBufLen + 1)) {
::CFStringGetBytes(aInStrRef, CFRangeMake(0, inStrLen),
kCFStringEncodingUTF8, 0, false, buffer.get(), usedBufLen, &usedBufLen);
buffer.get()[usedBufLen] = '\0';
aOutStr.Assign(nsDependentCString((char*)buffer.get()));
rv = NS_OK;
}
}
return rv;
}
//*****************************************************************************
// Global Functions
//*****************************************************************************
#pragma mark -
#pragma mark [Global Functions]
void nsLocalFile::GlobalInit()
{
}
void nsLocalFile::GlobalShutdown()
{
}
nsresult NS_NewLocalFile(const nsAString& path, PRBool followLinks, nsILocalFile* *result)
{
nsLocalFile* file = new nsLocalFile;
if (file == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(file);
file->SetFollowLinks(followLinks);
if (!path.IsEmpty()) {
nsresult rv = file->InitWithPath(path);
if (NS_FAILED(rv)) {
NS_RELEASE(file);
return rv;
}
}
*result = file;
return NS_OK;
}
nsresult NS_NewNativeLocalFile(const nsACString& path, PRBool followLinks, nsILocalFile **result)
{
return NS_NewLocalFile(NS_ConvertUTF8toUCS2(path), followLinks, result);
}
nsresult NS_NewLocalFileWithFSSpec(const FSSpec* inSpec, PRBool followLinks, nsILocalFileMac **result)
{
nsLocalFile* file = new nsLocalFile();
if (file == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(file);
file->SetFollowLinks(followLinks);
nsresult rv = file->InitWithFSSpec(inSpec);
if (NS_FAILED(rv)) {
NS_RELEASE(file);
return rv;
}
*result = file;
return NS_OK;
}
//*****************************************************************************
// Static Functions
//*****************************************************************************
static nsresult MacErrorMapper(OSErr inErr)
{
nsresult outErr;
switch (inErr)
{
case noErr:
outErr = NS_OK;
break;
case fnfErr:
outErr = NS_ERROR_FILE_NOT_FOUND;
break;
case dupFNErr:
outErr = NS_ERROR_FILE_ALREADY_EXISTS;
break;
case dskFulErr:
outErr = NS_ERROR_FILE_DISK_FULL;
break;
case fLckdErr:
outErr = NS_ERROR_FILE_IS_LOCKED;
break;
// Can't find good map for some
case bdNamErr:
outErr = NS_ERROR_FAILURE;
break;
default:
outErr = NS_ERROR_FAILURE;
break;
}
return outErr;
}
static OSErr FindRunningAppBySignature(OSType aAppSig, ProcessSerialNumber& outPsn)
{
ProcessInfoRec info;
OSErr err = noErr;
outPsn.highLongOfPSN = 0;
outPsn.lowLongOfPSN = kNoProcess;
while (PR_TRUE)
{
err = ::GetNextProcess(&outPsn);
if (err == procNotFound)
break;
if (err != noErr)
return err;
info.processInfoLength = sizeof(ProcessInfoRec);
info.processName = nil;
info.processAppSpec = nil;
err = ::GetProcessInformation(&outPsn, &info);
if (err != noErr)
return err;
if (info.processSignature == aAppSig)
return noErr;
}
return procNotFound;
}
// Convert a UTF-8 string to a UTF-16 string while normalizing to
// Normalization Form C (composed Unicode). We need this because
// Mac OS X file system uses NFD (Normalization Form D : decomposed Unicode)
// while most other OS', server-side programs usually expect NFC.
typedef void (*UnicodeNormalizer) (CFMutableStringRef, CFStringNormalizationForm);
static void CopyUTF8toUTF16NFC(const nsACString& aSrc, nsAString& aResult)
{
static PRBool sChecked = PR_FALSE;
static UnicodeNormalizer sUnicodeNormalizer = NULL;
// CFStringNormalize was not introduced until Mac OS 10.2
if (!sChecked) {
CFBundleRef carbonBundle =
CFBundleGetBundleWithIdentifier(CFSTR("com.apple.Carbon"));
if (carbonBundle)
sUnicodeNormalizer = (UnicodeNormalizer)
::CFBundleGetFunctionPointerForName(carbonBundle,
CFSTR("CFStringNormalize"));
sChecked = PR_TRUE;
}
if (!sUnicodeNormalizer) { // OS X 10.2 or earlier
CopyUTF8toUTF16(aSrc, aResult);
return;
}
const nsAFlatCString &inFlatSrc = PromiseFlatCString(aSrc);
// The number of 16bit code units in a UTF-16 string will never be
// larger than the number of bytes in the corresponding UTF-8 string.
CFMutableStringRef inStr =
::CFStringCreateMutable(NULL, inFlatSrc.Length());
if (!inStr) {
CopyUTF8toUTF16(aSrc, aResult);
return;
}
::CFStringAppendCString(inStr, inFlatSrc.get(), kCFStringEncodingUTF8);
sUnicodeNormalizer(inStr, kCFStringNormalizationFormC);
CFIndex length = CFStringGetLength(inStr);
const UniChar* chars = CFStringGetCharactersPtr(inStr);
if (chars)
aResult.Assign(chars, length);
else {
nsAutoBuffer<UniChar, FILENAME_BUFFER_SIZE> buffer;
if (!buffer.EnsureElemCapacity(length))
CopyUTF8toUTF16(aSrc, aResult);
else {
CFStringGetCharacters(inStr, CFRangeMake(0, length), buffer.get());
aResult.Assign(buffer.get(), length);
}
}
CFRelease(inStr);
}
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