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gecko/xpcom/io/nsLocalFileOSX.mm
Josh Aas 797a2e8063 Backed out changeset 76c570389975. b=506812
2009-09-27 05:54:43 -04:00

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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>
* Asaf Romano <mozilla.mano@sent.com>
* Mark Mentovai <mark@moxienet.com>
* Josh Aas <josh@mozilla.com>
*
* 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 "nsDirectoryServiceDefs.h"
#include "nsObjCExceptions.h"
#include "nsAutoPtr.h"
#include "nsString.h"
#include "nsReadableUtils.h"
#include "nsIDirectoryEnumerator.h"
#include "nsISimpleEnumerator.h"
#include "nsITimelineService.h"
#include "nsTArray.h"
#include "plbase64.h"
#include "prmem.h"
#include "nsCRT.h"
#include "nsHashKeys.h"
#include "nsTraceRefcntImpl.h"
#include <Carbon/Carbon.h>
#import <Cocoa/Cocoa.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/statvfs.h>
#include <stdlib.h>
#include <utime.h>
#define CHECK_INIT() \
PR_BEGIN_MACRO \
if (!mBaseURL) \
return NS_ERROR_NOT_INITIALIZED; \
PR_END_MACRO
static nsresult MacErrorMapper(OSErr inErr);
static void CopyUTF8toUTF16NFC(const nsACString& aSrc, nsAString& aResult);
static nsresult CFStringReftoUTF8(CFStringRef aInStrRef, nsACString& aOutStr);
#pragma mark -
#pragma mark [FSRef operator==]
bool operator==(const FSRef& lhs, const FSRef& rhs)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
return (::FSCompareFSRefs(&lhs, &rhs) == noErr);
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
}
#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 nsIDirectoryEnumerator
{
public:
NS_DECL_ISUPPORTS
nsDirEnumerator() :
mIterator(nsnull),
mFSRefsArray(nsnull),
mArrayCnt(0), mArrayIndex(0)
{
}
nsresult Init(nsILocalFileMac* parent)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHOD HasMoreElements(PRBool *result)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
if (!mIterator || !mFSRefsArray) {
*result = PR_FALSE;
return NS_OK;
}
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) {
nsRefPtr<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;
if (!*result)
Close();
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
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;
}
NS_IMETHOD GetNextFile(nsIFile **result)
{
*result = nsnull;
PRBool hasMore = PR_FALSE;
nsresult rv = HasMoreElements(&hasMore);
if (NS_FAILED(rv) || !hasMore)
return rv;
*result = mNext;
NS_IF_ADDREF(*result);
mNext = nsnull;
return NS_OK;
}
NS_IMETHOD Close()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
if (mIterator) {
::FSCloseIterator(mIterator);
mIterator = nsnull;
}
if (mFSRefsArray) {
nsMemory::Free(mFSRefsArray);
mFSRefsArray = nsnull;
}
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
private:
~nsDirEnumerator()
{
Close();
}
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_ISUPPORTS2(nsDirEnumerator, nsISimpleEnumerator, nsIDirectoryEnumerator)
const char kPathSepChar = '/';
#pragma mark -
#pragma mark [CTORs/DTOR]
nsLocalFile::nsLocalFile() :
mBaseURL(NULL),
mFollowLinks(PR_TRUE)
{
mPath[0] = '\0';
}
nsLocalFile::nsLocalFile(const nsLocalFile& src) :
mBaseURL(NULL),
mFollowLinks(src.mFollowLinks)
{
SetBaseURL(src.mBaseURL);
}
nsLocalFile::~nsLocalFile()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (mBaseURL)
::CFRelease(mBaseURL);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
#pragma mark -
#pragma mark [nsISupports]
NS_IMPL_THREADSAFE_ISUPPORTS4(nsLocalFile,
nsILocalFileMac,
nsILocalFile,
nsIFile,
nsIHashable)
NS_IMETHODIMP 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;
}
#pragma mark -
#pragma mark [nsIFile]
NS_IMETHODIMP nsLocalFile::Append(const nsAString& aNode)
{
return AppendNative(NS_ConvertUTF16toUTF8(aNode));
}
NS_IMETHODIMP nsLocalFile::AppendNative(const nsACString& aNode)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CHECK_INIT();
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,
mBaseURL, nodeStrRef, PR_FALSE);
::CFRelease(nodeStrRef);
if (newRef) {
SetBaseURL(newRef);
::CFRelease(newRef);
return NS_OK;
}
}
return NS_ERROR_FAILURE;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::Normalize()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CHECK_INIT();
char resolved_path[PATH_MAX] = "";
if (!realpath(mPath, resolved_path))
return NSRESULT_FOR_ERRNO();
// Need to know whether we're a directory to create a new CFURLRef
PRBool isDirectory;
nsresult rv = IsDirectory(&isDirectory);
NS_ENSURE_SUCCESS(rv, rv);
rv = NS_ERROR_FAILURE;
CFStringRef pathStrRef = ::CFStringCreateWithCString(kCFAllocatorDefault,
resolved_path,
kCFStringEncodingUTF8);
if (pathStrRef) {
CFURLRef newURLRef =
::CFURLCreateWithFileSystemPath(kCFAllocatorDefault, pathStrRef,
kCFURLPOSIXPathStyle, isDirectory);
if (newURLRef) {
SetBaseURL(newURLRef);
::CFRelease(newURLRef);
rv = NS_OK;
}
::CFRelease(pathStrRef);
}
return rv;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::Create(PRUint32 type, PRUint32 permissions)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
if (type != NORMAL_FILE_TYPE && type != DIRECTORY_TYPE)
return NS_ERROR_FILE_UNKNOWN_TYPE;
CHECK_INIT();
nsTArray<nsString> nonExtantNodes;
CFURLRef pathURLRef = mBaseURL;
FSRef pathFSRef;
CFStringRef leafStrRef = nsnull;
nsAutoTArray<UniChar, NAME_MAX> 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.SetLength(leafLen + 1))
break;
::CFStringGetCharacters(leafStrRef, CFRangeMake(0, leafLen), buffer.Elements());
buffer[leafLen] = '\0';
nonExtantNodes.AppendElement(nsString(nsDependentString(buffer.Elements())));
::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 != mBaseURL)
::CFRelease(pathURLRef);
pathURLRef = parent;
}
if (pathURLRef != mBaseURL)
::CFRelease(pathURLRef);
if (leafStrRef != nsnull)
::CFRelease(leafStrRef);
if (!success)
return NS_ERROR_FAILURE;
PRInt32 nodesToCreate = PRInt32(nonExtantNodes.Length());
if (nodesToCreate == 0)
return NS_ERROR_FILE_ALREADY_EXISTS;
OSErr err;
nsAutoString nextNodeName;
for (PRInt32 i = nodesToCreate - 1; i > 0; i--) {
nextNodeName = nonExtantNodes[i];
err = ::FSCreateDirectoryUnicode(&pathFSRef,
nextNodeName.Length(),
(const UniChar *)nextNodeName.get(),
kFSCatInfoNone,
nsnull, &pathFSRef, nsnull, nsnull);
if (err != noErr)
return MacErrorMapper(err);
}
nextNodeName = nonExtantNodes[0];
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);
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
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_ConvertUTF16toUTF8(aLeafName));
}
NS_IMETHODIMP nsLocalFile::GetNativeLeafName(nsACString& aNativeLeafName)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CHECK_INIT();
nsresult rv = NS_ERROR_FAILURE;
CFStringRef leafStrRef = ::CFURLCopyLastPathComponent(mBaseURL);
if (leafStrRef) {
rv = CFStringReftoUTF8(leafStrRef, aNativeLeafName);
::CFRelease(leafStrRef);
}
return rv;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::SetNativeLeafName(const nsACString& aNativeLeafName)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CHECK_INIT();
nsresult rv = NS_ERROR_FAILURE;
CFURLRef parentURLRef = ::CFURLCreateCopyDeletingLastPathComponent(kCFAllocatorDefault, mBaseURL);
if (parentURLRef) {
CFStringRef nodeStrRef = ::CFStringCreateWithCString(kCFAllocatorDefault,
PromiseFlatCString(aNativeLeafName).get(),
kCFStringEncodingUTF8);
if (nodeStrRef) {
CFURLRef newURLRef = ::CFURLCreateCopyAppendingPathComponent(kCFAllocatorDefault,
parentURLRef, nodeStrRef, PR_FALSE);
if (newURLRef) {
SetBaseURL(newURLRef);
::CFRelease(newURLRef);
rv = NS_OK;
}
::CFRelease(nodeStrRef);
}
::CFRelease(parentURLRef);
}
return rv;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::CopyTo(nsIFile *newParentDir, const nsAString& newName)
{
return CopyInternal(newParentDir, newName, PR_FALSE);
}
NS_IMETHODIMP nsLocalFile::CopyToNative(nsIFile *newParentDir, const nsACString& newName)
{
return CopyInternal(newParentDir, NS_ConvertUTF8toUTF16(newName), PR_FALSE);
}
NS_IMETHODIMP nsLocalFile::CopyToFollowingLinks(nsIFile *newParentDir, const nsAString& newName)
{
return CopyInternal(newParentDir, newName, PR_TRUE);
}
NS_IMETHODIMP nsLocalFile::CopyToFollowingLinksNative(nsIFile *newParentDir, const nsACString& newName)
{
return CopyInternal(newParentDir, NS_ConvertUTF8toUTF16(newName), PR_TRUE);
}
NS_IMETHODIMP nsLocalFile::MoveTo(nsIFile *newParentDir, const nsAString& newName)
{
return MoveToNative(newParentDir, NS_ConvertUTF16toUTF8(newName));
}
NS_IMETHODIMP nsLocalFile::MoveToNative(nsIFile *newParentDir, const nsACString& newName)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CHECK_INIT();
StFollowLinksState followLinks(*this, PR_FALSE);
PRBool isDirectory;
nsresult rv = IsDirectory(&isDirectory);
if (NS_FAILED(rv))
return rv;
// Build the destination path.
nsCOMPtr<nsIFile> parentDir = newParentDir;
if (!parentDir) {
if (newName.IsEmpty())
return NS_ERROR_INVALID_ARG;
rv = GetParent(getter_AddRefs(parentDir));
if (NS_FAILED(rv))
return rv;
}
else {
PRBool exists;
rv = parentDir->Exists(&exists);
if (NS_FAILED(rv))
return rv;
if (!exists) {
rv = parentDir->Create(nsIFile::DIRECTORY_TYPE, 0777);
if (NS_FAILED(rv))
return rv;
}
}
nsCAutoString destPath;
rv = parentDir->GetNativePath(destPath);
if (NS_FAILED(rv))
return rv;
if (!newName.IsEmpty())
destPath.Append(NS_LITERAL_CSTRING("/") + newName);
else {
nsCAutoString leafName;
rv = GetNativeLeafName(leafName);
if (NS_FAILED(rv))
return rv;
destPath.Append(NS_LITERAL_CSTRING("/") + leafName);
}
// Perform the move.
if (rename(mPath, destPath.get()) != 0) {
if (errno == EXDEV) {
// Can't move across volume (device) boundaries. Copy and remove.
rv = CopyToNative(parentDir, newName);
if (NS_SUCCEEDED(rv)) {
// Permit removal failure.
Remove(PR_TRUE);
}
}
else
rv = NSRESULT_FOR_ERRNO();
if (NS_FAILED(rv))
return rv;
}
// Update |this| to refer to the moved file.
CFURLRef newBaseRef =
::CFURLCreateFromFileSystemRepresentation(NULL, (UInt8*)destPath.get(),
destPath.Length(), isDirectory);
if (!newBaseRef)
return NS_ERROR_FAILURE;
SetBaseURL(newBaseRef);
::CFRelease(newBaseRef);
return rv;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::Remove(PRBool recursive)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CHECK_INIT();
// if we're a symlink, never remove target
StFollowLinksState followLinks(*this, PR_FALSE);
PRBool isDirectory;
nsresult rv = IsDirectory(&isDirectory);
if (NS_FAILED(rv))
return rv;
if (recursive && isDirectory) {
CFURLRef urlRef;
rv = GetCFURL(&urlRef);
if (NS_SUCCEEDED(rv) && urlRef) {
NSAutoreleasePool* ap = [[NSAutoreleasePool alloc] init];
BOOL removeSuccess = [[NSFileManager defaultManager] removeFileAtPath:[(NSURL*)urlRef path] handler:nil];
[ap release];
::CFRelease(urlRef);
rv = removeSuccess ? NS_OK : NS_ERROR_FAILURE;
}
}
else {
int status;
if (isDirectory)
status = rmdir(mPath);
else
status = unlink(mPath);
if (status != 0)
rv = NSRESULT_FOR_ERRNO();
}
return rv;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
// Only send back permissions bits: maybe we want to send back the whole
// mode_t to permit checks against other file types?
#define NORMALIZE_PERMS(mode) ((mode)& (S_IRWXU | S_IRWXG | S_IRWXO))
NS_IMETHODIMP nsLocalFile::GetPermissions(PRUint32 *aPermissions)
{
NS_ENSURE_ARG_POINTER(aPermissions);
CHECK_INIT();
struct STAT buf;
nsresult rv = FillStatBufferInternal(&buf);
if (NS_FAILED(rv))
return NSRESULT_FOR_ERRNO();
*aPermissions = NORMALIZE_PERMS(buf.st_mode);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetPermissions(PRUint32 aPermissions)
{
CHECK_INIT();
if (chmod(mPath, aPermissions) < 0)
return NSRESULT_FOR_ERRNO();
return NS_OK;
}
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;
}
NS_IMETHODIMP nsLocalFile::GetLastModifiedTime(PRInt64 *aLastModifiedTime)
{
NS_ENSURE_ARG_POINTER(aLastModifiedTime);
nsCAutoString path;
nsresult rv = GetPathInternal(path);
if (NS_FAILED(rv))
return rv;
PRFileInfo64 info;
if (PR_GetFileInfo64(path.get(), &info) != PR_SUCCESS)
return NSRESULT_FOR_ERRNO();
PRInt64 modTime = PRInt64(info.modifyTime);
if (modTime == 0)
*aLastModifiedTime = 0;
else
*aLastModifiedTime = modTime / PRInt64(PR_USEC_PER_MSEC);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetLastModifiedTime(PRInt64 aLastModifiedTime)
{
nsCAutoString path;
nsresult rv = GetPathInternal(path);
if (NS_FAILED(rv))
return rv;
int result;
if (aLastModifiedTime != 0) {
struct STAT statBuf;
nsresult rv = FillStatBufferInternal(&statBuf);
if (NS_FAILED(rv))
return rv;
struct utimbuf ut;
ut.actime = statBuf.st_atime;
// convert milliseconds to seconds since the unix epoch
ut.modtime = (time_t)(PRFloat64(aLastModifiedTime) / PR_MSEC_PER_SEC);
result = utime(path.get(), &ut);
} else {
result = utime(path.get(), nsnull);
}
return NSRESULT_FOR_RETURN(result);
}
NS_IMETHODIMP nsLocalFile::GetLastModifiedTimeOfLink(PRInt64 *aLastModifiedTimeOfLink)
{
NS_ENSURE_ARG(aLastModifiedTimeOfLink);
nsCAutoString path;
nsresult rv = GetPathInternal(path);
if (NS_FAILED(rv))
return rv;
struct STAT sbuf;
if (LSTAT(path.get(), &sbuf) == -1)
return NSRESULT_FOR_ERRNO();
*aLastModifiedTimeOfLink = PRInt64(sbuf.st_mtime) * PRInt64(PR_MSEC_PER_SEC);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetLastModifiedTimeOfLink(PRInt64 aLastModifiedTimeOfLink)
{
return SetLastModifiedTime(aLastModifiedTimeOfLink);
}
NS_IMETHODIMP nsLocalFile::GetFileSize(PRInt64 *aFileSize)
{
NS_ENSURE_ARG_POINTER(aFileSize);
*aFileSize = 0;
struct STAT buf;
nsresult rv = FillStatBufferInternal(&buf);
if (NS_FAILED(rv))
return rv;
if (!S_ISDIR(buf.st_mode))
*aFileSize = (PRInt64)buf.st_size;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetFileSize(PRInt64 aFileSize)
{
CHECK_INIT();
off_t size = (off_t)aFileSize;
if (truncate(mPath, size) == -1)
return NSRESULT_FOR_ERRNO();
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::GetFileSizeOfLink(PRInt64 *aFileSizeOfLink)
{
CHECK_INIT();
NS_ENSURE_ARG_POINTER(aFileSizeOfLink);
StFollowLinksState followLinks(*this, PR_FALSE);
return GetFileSize(aFileSizeOfLink);
}
NS_IMETHODIMP nsLocalFile::GetTarget(nsAString& aTarget)
{
nsCAutoString nativeString;
nsresult rv = GetNativeTarget(nativeString);
if (NS_FAILED(rv))
return rv;
CopyUTF8toUTF16NFC(nativeString, aTarget);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::GetNativeTarget(nsACString& aNativeTarget)
{
CHECK_INIT();
aNativeTarget.Truncate();
struct STAT symStat;
if (LSTAT(mPath, &symStat) == -1)
return NSRESULT_FOR_ERRNO();
if (!S_ISLNK(symStat.st_mode))
return NS_ERROR_FILE_INVALID_PATH;
PRInt32 size = (PRInt32)symStat.st_size;
char *target = (char *)nsMemory::Alloc(size + 1);
if (!target)
return NS_ERROR_OUT_OF_MEMORY;
if (readlink(mPath, target, (size_t)size) < 0) {
nsMemory::Free(target);
return NSRESULT_FOR_ERRNO();
}
target[size] = '\0';
nsresult rv = NS_OK;
nsCOMPtr<nsIFile> self(this);
PRInt32 maxLinks = 40;
while (PR_TRUE) {
if (maxLinks-- == 0) {
rv = NS_ERROR_FILE_UNRESOLVABLE_SYMLINK;
break;
}
if (target[0] != '/') {
nsCOMPtr<nsIFile> parent;
if (NS_FAILED(rv = self->GetParent(getter_AddRefs(parent))))
break;
nsCOMPtr<nsILocalFile> localFile(do_QueryInterface(parent, &rv));
if (NS_FAILED(rv))
break;
if (NS_FAILED(rv = localFile->AppendRelativeNativePath(nsDependentCString(target))))
break;
if (NS_FAILED(rv = localFile->GetNativePath(aNativeTarget)))
break;
self = parent;
} else {
aNativeTarget = target;
}
const nsPromiseFlatCString &flatRetval = PromiseFlatCString(aNativeTarget);
// Any failure in testing the current target we'll just interpret
// as having reached our destiny.
if (LSTAT(flatRetval.get(), &symStat) == -1)
break;
// And of course we're done if it isn't a symlink.
if (!S_ISLNK(symStat.st_mode))
break;
PRInt32 newSize = (PRInt32)symStat.st_size;
if (newSize > size) {
char *newTarget = (char *)nsMemory::Realloc(target, newSize + 1);
if (!newTarget) {
rv = NS_ERROR_OUT_OF_MEMORY;
break;
}
target = newTarget;
size = newSize;
}
PRInt32 linkLen = readlink(flatRetval.get(), target, size);
if (linkLen == -1) {
rv = NSRESULT_FOR_ERRNO();
break;
}
target[linkLen] = '\0';
}
nsMemory::Free(target);
if (NS_FAILED(rv))
aNativeTarget.Truncate();
return rv;
}
NS_IMETHODIMP nsLocalFile::GetPath(nsAString& aPath)
{
nsCAutoString nativeString;
nsresult rv = GetNativePath(nativeString);
if (NS_FAILED(rv))
return rv;
CopyUTF8toUTF16NFC(nativeString, aPath);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::GetNativePath(nsACString& aNativePath)
{
CHECK_INIT();
aNativePath.Assign(mPath);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::Exists(PRBool *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
struct STAT buf;
*_retval = (STAT(mPath, &buf) == 0);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::IsWritable(PRBool *_retval)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CHECK_INIT();
NS_ENSURE_ARG_POINTER(_retval);
*_retval = PR_FALSE;
NSAutoreleasePool* ap = [[NSAutoreleasePool alloc] init];
// don't bother resolving, this always traverses symbolic links
*_retval = (PRBool)[[NSFileManager defaultManager] isWritableFileAtPath:[(NSURL*)mBaseURL path]];
[ap release];
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::IsReadable(PRBool *_retval)
{
CHECK_INIT();
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;
}
NS_IMETHODIMP nsLocalFile::IsExecutable(PRBool *_retval)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CHECK_INIT();
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;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::IsHidden(PRBool *_retval)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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, kFSCatInfoFinderInfo, &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;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::IsDirectory(PRBool *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = PR_FALSE;
struct STAT buf;
nsresult rv = FillStatBufferInternal(&buf);
if (NS_FAILED(rv))
return rv;
*_retval = S_ISDIR(buf.st_mode);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::IsFile(PRBool *_retval)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NS_ENSURE_ARG_POINTER(_retval);
*_retval = PR_FALSE;
struct STAT buf;
nsresult rv = FillStatBufferInternal(&buf);
if (NS_FAILED(rv))
return rv;
*_retval = S_ISREG(buf.st_mode);
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::IsSymlink(PRBool *_retval)
{
CHECK_INIT();
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
struct stat symStat;
if (lstat(mPath, &symStat) < 0)
return NSRESULT_FOR_ERRNO();
*_retval = S_ISLNK(symStat.st_mode);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::IsSpecial(PRBool *_retval)
{
NS_ERROR("NS_ERROR_NOT_IMPLEMENTED");
return NS_ERROR_NOT_IMPLEMENTED;
}
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;
}
NS_IMETHODIMP nsLocalFile::Equals(nsIFile *inFile, PRBool *_retval)
{
NS_ENSURE_ARG(inFile);
NS_ENSURE_ARG_POINTER(_retval);
*_retval = PR_FALSE;
nsCAutoString inPath;
nsresult rv = inFile->GetNativePath(inPath);
if (NS_FAILED(rv))
return rv;
*_retval = !strcmp(mPath, inPath.get());
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::Contains(nsIFile *inFile, PRBool recur, PRBool *_retval)
{
CHECK_INIT();
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;
}
NS_IMETHODIMP nsLocalFile::GetParent(nsIFile * *aParent)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NS_ENSURE_ARG_POINTER(aParent);
*aParent = nsnull;
CHECK_INIT();
// 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, mBaseURL);
if (parentURLRef) {
// If the parent path is longer than file's path then
// CFURLCreateCopyDeletingLastPathComponent must have simply added
// two dots at the end - in this case indicate that there is no parent.
// See bug 332389.
CFStringRef path = ::CFURLGetString(mBaseURL);
CFStringRef newPath = ::CFURLGetString(parentURLRef);
if (::CFStringGetLength(newPath) < ::CFStringGetLength(path)) {
rv = NS_ERROR_FAILURE;
nsRefPtr<nsLocalFile> newFile = new nsLocalFile;
if (newFile) {
rv = newFile->InitWithCFURL(parentURLRef);
if (NS_SUCCEEDED(rv)) {
NS_ADDREF(*aParent = newFile);
rv = NS_OK;
}
}
}
::CFRelease(parentURLRef);
}
return rv;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
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;
}
#pragma mark -
#pragma mark [nsILocalFile]
NS_IMETHODIMP nsLocalFile::InitWithPath(const nsAString& filePath)
{
return InitWithNativePath(NS_ConvertUTF16toUTF8(filePath));
}
NS_IMETHODIMP nsLocalFile::InitWithNativePath(const nsACString& filePath)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
nsCAutoString fixedPath;
if (Substring(filePath, 0, 2).EqualsLiteral("~/")) {
nsCOMPtr<nsIFile> homeDir;
nsCAutoString homePath;
nsresult rv = NS_GetSpecialDirectory(NS_OS_HOME_DIR,
getter_AddRefs(homeDir));
NS_ENSURE_SUCCESS(rv, rv);
rv = homeDir->GetNativePath(homePath);
NS_ENSURE_SUCCESS(rv, rv);
fixedPath = homePath + Substring(filePath, 1, filePath.Length() - 1);
}
else if (filePath.IsEmpty() || filePath.First() != '/')
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
else
fixedPath.Assign(filePath);
// A path with consecutive '/'s which are not between
// nodes crashes CFURLGetFSRef(). Consecutive '/'s which
// are between actual nodes are OK. So, convert consecutive
// '/'s to a single one.
fixedPath.ReplaceSubstring("//", "/");
// On 10.2, huge paths also crash CFURLGetFSRef()
if (fixedPath.Length() > PATH_MAX)
return NS_ERROR_FILE_NAME_TOO_LONG;
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;
}
SetBaseURL(pathAsCFURL);
::CFRelease(pathAsCFURL);
::CFRelease(pathAsCFString);
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::InitWithFile(nsILocalFile *aFile)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::GetFollowLinks(PRBool *aFollowLinks)
{
NS_ENSURE_ARG_POINTER(aFollowLinks);
*aFollowLinks = mFollowLinks;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetFollowLinks(PRBool aFollowLinks)
{
mFollowLinks = aFollowLinks;
return NS_OK;
}
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();
if (flags & DELETE_ON_CLOSE) {
PR_Delete(path.get());
}
return NS_OK;
}
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;
}
NS_IMETHODIMP nsLocalFile::Load(PRLibrary **_retval)
{
CHECK_INIT();
NS_ENSURE_ARG_POINTER(_retval);
NS_TIMELINE_START_TIMER("PR_LoadLibrary");
nsCAutoString path;
nsresult rv = GetPathInternal(path);
if (NS_FAILED(rv))
return rv;
#ifdef NS_BUILD_REFCNT_LOGGING
nsTraceRefcntImpl::SetActivityIsLegal(PR_FALSE);
#endif
*_retval = PR_LoadLibrary(path.get());
#ifdef NS_BUILD_REFCNT_LOGGING
nsTraceRefcntImpl::SetActivityIsLegal(PR_TRUE);
#endif
NS_TIMELINE_STOP_TIMER("PR_LoadLibrary");
NS_TIMELINE_MARK_TIMER1("PR_LoadLibrary", path.get());
if (!*_retval)
return NS_ERROR_FAILURE;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::GetDiskSpaceAvailable(PRInt64 *aDiskSpaceAvailable)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NS_ENSURE_ARG_POINTER(aDiskSpaceAvailable);
nsCAutoString path;
nsresult rv = GetPathInternal(path);
if (NS_FAILED(rv))
return rv;
struct STATVFS fs_buf;
if (STATVFS(path.get(), &fs_buf) < 0)
return NS_ERROR_FAILURE;
// minus one block for fuzz
*aDiskSpaceAvailable = (PRInt64)fs_buf.f_frsize * (fs_buf.f_bavail - 1);
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::AppendRelativePath(const nsAString& relativeFilePath)
{
return AppendRelativeNativePath(NS_ConvertUTF16toUTF8(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;
}
NS_IMETHODIMP nsLocalFile::GetPersistentDescriptor(nsACString& aPersistentDescriptor)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::SetPersistentDescriptor(const nsACString& aPersistentDescriptor)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
if (aPersistentDescriptor.IsEmpty())
return NS_ERROR_INVALID_ARG;
// Support pathnames as user-supplied descriptors if they begin with '/'
// or '~'. These characters do not collide with the base64 set used for
// encoding alias records.
char first = aPersistentDescriptor.First();
if (first == '/' || first == '~')
return InitWithNativePath(aPersistentDescriptor);
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.
AliasRecord aliasHeader = *(AliasPtr)decodedData;
PRInt32 aliasSize = ::GetAliasSizeFromPtr(&aliasHeader);
if (aliasSize > ((PRInt32)dataSize * 3) / 4) { // be paranoid about having too few data
PR_Free(decodedData);
return NS_ERROR_FAILURE;
}
// 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);
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::Reveal()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
BOOL success = NO;
CFURLRef urlRef;
if (NS_SUCCEEDED(GetCFURL(&urlRef)) && urlRef) {
NSAutoreleasePool* ap = [[NSAutoreleasePool alloc] init];
success = [[NSWorkspace sharedWorkspace] selectFile:[(NSURL*)urlRef path] inFileViewerRootedAtPath:@""];
[ap release];
::CFRelease(urlRef);
}
return (success ? NS_OK : NS_ERROR_FAILURE);
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::Launch()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
BOOL success = NO;
CFURLRef urlRef;
if (NS_SUCCEEDED(GetCFURL(&urlRef)) && urlRef) {
NSAutoreleasePool* ap = [[NSAutoreleasePool alloc] init];
success = [[NSWorkspace sharedWorkspace] openURL:(NSURL*)urlRef];
[ap release];
::CFRelease(urlRef);
}
return (success ? NS_OK : NS_ERROR_FAILURE);
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
#pragma mark -
#pragma mark [nsILocalFileMac]
NS_IMETHODIMP nsLocalFile::InitWithCFURL(CFURLRef aCFURL)
{
NS_ENSURE_ARG(aCFURL);
SetBaseURL(aCFURL);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::InitWithFSRef(const FSRef *aFSRef)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NS_ENSURE_ARG(aFSRef);
nsresult rv = NS_ERROR_FAILURE;
CFURLRef newURLRef = ::CFURLCreateFromFSRef(kCFAllocatorDefault, aFSRef);
if (newURLRef) {
SetBaseURL(newURLRef);
::CFRelease(newURLRef);
rv = NS_OK;
}
return rv;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::InitToAppWithCreatorCode(OSType aAppCreator)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
FSRef fsRef;
OSErr err = ::LSFindApplicationForInfo(aAppCreator, nsnull, nsnull, &fsRef, nsnull);
if (err != noErr)
return MacErrorMapper(err);
return InitWithFSRef(&fsRef);
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::GetCFURL(CFURLRef *_retval)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CHECK_INIT();
if (mFollowLinks) {
nsCAutoString nativePath;
nsresult rv = GetNativeTarget(nativePath);
if (NS_SUCCEEDED(rv)) {
// This is a symlink if we can get a target path.
// We can assume this is not a directory if we know it is a symlink.
// I'll say this anyway because it is so dangerous: Do not call IsDirectory
// here because that ultimately ends up calling GetCFURL and you get a loop.
CFURLRef targetURL = ::CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault,
(UInt8*)nativePath.BeginWriting(),
nativePath.Length(),
false);
if (!targetURL)
return NS_ERROR_FAILURE;
*_retval = targetURL;
return NS_OK;
}
}
::CFRetain(mBaseURL);
*_retval = mBaseURL;
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::GetFSRef(FSRef *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
return GetFSRefInternal(*_retval);
}
NS_IMETHODIMP nsLocalFile::GetFSSpec(FSSpec *_retval)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NS_ENSURE_ARG_POINTER(_retval);
CHECK_INIT();
FSRef fsRef;
nsresult rv = GetFSRefInternal(fsRef);
if (NS_SUCCEEDED(rv)) {
OSErr err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoNone, nsnull, nsnull, _retval, nsnull);
return MacErrorMapper(err);
}
return rv;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::GetFileSizeWithResFork(PRInt64 *aFileSizeWithResFork)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::GetFileType(OSType *aFileType)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NS_ENSURE_ARG_POINTER(aFileType);
CHECK_INIT();
nsresult rv = NS_ERROR_FAILURE;
NSAutoreleasePool* ap = [[NSAutoreleasePool alloc] init];
NSDictionary* dict = [[NSFileManager defaultManager] fileAttributesAtPath:[(NSURL*)mBaseURL path] traverseLink:YES];
NSNumber* typeNum = (NSNumber*)[dict objectForKey:NSFileHFSTypeCode];
if (typeNum) {
*aFileType = [typeNum unsignedLongValue];
rv = NS_OK;
}
[ap release];
return rv;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::SetFileType(OSType aFileType)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CHECK_INIT();
NSAutoreleasePool* ap = [[NSAutoreleasePool alloc] init];
NSDictionary* dict = [NSDictionary dictionaryWithObject:[NSNumber numberWithUnsignedLong:aFileType] forKey:NSFileHFSTypeCode];
BOOL success = [[NSFileManager defaultManager] changeFileAttributes:dict atPath:[(NSURL*)mBaseURL path]];
[ap release];
return (success ? NS_OK : NS_ERROR_FAILURE);
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::GetFileCreator(OSType *aFileCreator)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NS_ENSURE_ARG_POINTER(aFileCreator);
CHECK_INIT();
nsresult rv = NS_ERROR_FAILURE;
NSAutoreleasePool* ap = [[NSAutoreleasePool alloc] init];
NSDictionary* dict = [[NSFileManager defaultManager] fileAttributesAtPath:[(NSURL*)mBaseURL path] traverseLink:YES];
id creatorNum = (NSNumber*)[dict objectForKey:NSFileHFSCreatorCode];
if (creatorNum) {
*aFileCreator = [creatorNum unsignedLongValue];
rv = NS_OK;
}
[ap release];
return rv;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::SetFileCreator(OSType aFileCreator)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CHECK_INIT();
NSAutoreleasePool* ap = [[NSAutoreleasePool alloc] init];
NSDictionary* dict = [NSDictionary dictionaryWithObject:[NSNumber numberWithUnsignedLong:aFileCreator] forKey:NSFileHFSCreatorCode];
BOOL success = [[NSFileManager defaultManager] changeFileAttributes:dict atPath:[(NSURL*)mBaseURL path]];
[ap release];
return (success ? NS_OK : NS_ERROR_FAILURE);
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::LaunchWithDoc(nsILocalFile *aDocToLoad, PRBool aLaunchInBackground)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::OpenDocWithApp(nsILocalFile *aAppToOpenWith, PRBool aLaunchInBackground)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsLocalFile::IsPackage(PRBool *_retval)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
CFURLRef urlRef;
if (NS_SUCCEEDED(GetCFURL(&urlRef)) && urlRef) {
*_retval = [[NSWorkspace sharedWorkspace] isFilePackageAtPath:[(NSURL *)urlRef path]];
::CFRelease(urlRef);
return NS_OK;
}
return NS_ERROR_FAILURE;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP
nsLocalFile::GetBundleDisplayName(nsAString& outBundleName)
{
PRBool isPackage = PR_FALSE;
nsresult rv = IsPackage(&isPackage);
if (NS_FAILED(rv) || !isPackage)
return NS_ERROR_FAILURE;
nsAutoString name;
rv = GetLeafName(name);
if (NS_FAILED(rv))
return rv;
PRInt32 length = name.Length();
if (Substring(name, length - 4, length).EqualsLiteral(".app")) {
// 4 characters in ".app"
outBundleName = Substring(name, 0, length - 4);
}
else
outBundleName = name;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetBundleIdentifier(nsACString& outBundleIdentifier)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
nsresult rv = NS_ERROR_FAILURE;
CFURLRef urlRef;
if (NS_SUCCEEDED(GetCFURL(&urlRef))) {
CFBundleRef bundle = ::CFBundleCreate(NULL, urlRef);
if (bundle) {
CFStringRef bundleIdentifier = ::CFBundleGetIdentifier(bundle);
if (bundleIdentifier)
rv = CFStringReftoUTF8(bundleIdentifier, outBundleIdentifier);
::CFRelease(bundle);
}
::CFRelease(urlRef);
}
return rv;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
#pragma mark -
#pragma mark [Protected Methods]
nsresult nsLocalFile::SetBaseURL(CFURLRef aCFURLRef)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NS_ENSURE_ARG(aCFURLRef);
::CFRetain(aCFURLRef);
if (mBaseURL)
::CFRelease(mBaseURL);
mBaseURL = aCFURLRef;
if (!::CFURLGetFileSystemRepresentation(mBaseURL, NO, (UInt8*)mPath, PATH_MAX))
return NS_ERROR_FAILURE;
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
nsresult nsLocalFile::GetFSRefInternal(FSRef& aFSRef)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CHECK_INIT();
return (::CFURLGetFSRef(mBaseURL, &aFSRef) ? NS_OK : NS_ERROR_FAILURE);
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
nsresult nsLocalFile::GetPathInternal(nsACString& path)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CHECK_INIT();
CFURLRef urlRef;
nsresult rv = GetCFURL(&urlRef);
if (NS_FAILED(rv))
return rv;
path.SetLength(PATH_MAX);
if (path.Length() != (unsigned int)PATH_MAX) {
::CFRelease(urlRef);
return NS_ERROR_OUT_OF_MEMORY;
}
Boolean gotPath = ::CFURLGetFileSystemRepresentation(urlRef, true, (UInt8*)path.BeginWriting(), PATH_MAX);
::CFRelease(urlRef);
return (gotPath ? NS_OK : NS_ERROR_FAILURE);
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
nsresult nsLocalFile::CopyInternal(nsIFile* aParentDir,
const nsAString& newName,
PRBool followLinks)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CHECK_INIT();
StFollowLinksState srcFollowState(*this, followLinks);
nsresult rv;
OSErr err;
FSRef srcFSRef;
rv = GetFSRefInternal(srcFSRef);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIFile> newParentDir = aParentDir;
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, 0777);
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;
CFStringRef destNameStr = NULL;
if (newName.Length() > 0) {
destNameStr = ::CFStringCreateWithCharacters(kCFAllocatorDefault,
PromiseFlatString(newName).get(),
newName.Length());
}
err = ::FSCopyObjectSync(&srcFSRef, &destFSRef, destNameStr, NULL, kFSFileOperationDefaultOptions);
if (destNameStr)
::CFRelease(destNameStr);
return MacErrorMapper(err);
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
nsresult nsLocalFile::FillStatBufferInternal(struct STAT *statBuffer)
{
CHECK_INIT();
if (STAT(mPath, statBuffer) == -1) {
if (LSTAT(mPath, statBuffer) == -1)
return NSRESULT_FOR_ERRNO();
}
return NS_OK;
}
// nsIHashable
NS_IMETHODIMP
nsLocalFile::Equals(nsIHashable* aOther, PRBool *aResult)
{
nsCOMPtr<nsIFile> otherFile(do_QueryInterface(aOther));
if (!otherFile) {
*aResult = PR_FALSE;
return NS_OK;
}
return Equals(otherFile, aResult);
}
NS_IMETHODIMP
nsLocalFile::GetHashCode(PRUint32 *aResult)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
CFStringRef pathStrRef = ::CFURLCopyFileSystemPath(mBaseURL, kCFURLPOSIXPathStyle);
nsCAutoString path;
CFStringReftoUTF8(pathStrRef, path);
::CFRelease(pathStrRef);
*aResult = HashString(path);
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
#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_ConvertUTF8toUTF16(path), followLinks, result);
}
nsresult NS_NewLocalFileWithFSRef(const FSRef* aFSRef, PRBool aFollowLinks, nsILocalFileMac** result)
{
nsLocalFile* file = new nsLocalFile();
if (file == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(file);
file->SetFollowLinks(aFollowLinks);
nsresult rv = file->InitWithFSRef(aFSRef);
if (NS_FAILED(rv)) {
NS_RELEASE(file);
return rv;
}
*result = file;
return NS_OK;
}
nsresult NS_NewLocalFileWithCFURL(const CFURLRef aURL, PRBool aFollowLinks, nsILocalFileMac** result)
{
nsLocalFile* file = new nsLocalFile();
if (file == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(file);
file->SetFollowLinks(aFollowLinks);
nsresult rv = file->InitWithCFURL(aURL);
if (NS_FAILED(rv)) {
NS_RELEASE(file);
return rv;
}
*result = file;
return NS_OK;
}
#pragma mark -
#pragma mark [Static Functions]
static nsresult MacErrorMapper(OSErr inErr)
{
nsresult outErr;
switch (inErr)
{
case noErr:
outErr = NS_OK;
break;
case fnfErr:
case afpObjectNotFound:
case afpDirNotFound:
outErr = NS_ERROR_FILE_NOT_FOUND;
break;
case dupFNErr:
case afpObjectExists:
outErr = NS_ERROR_FILE_ALREADY_EXISTS;
break;
case dskFulErr:
case afpDiskFull:
outErr = NS_ERROR_FILE_DISK_FULL;
break;
case fLckdErr:
case afpVolLocked:
outErr = NS_ERROR_FILE_IS_LOCKED;
break;
case afpAccessDenied:
outErr = NS_ERROR_FILE_ACCESS_DENIED;
break;
case afpDirNotEmpty:
outErr = NS_ERROR_FILE_DIR_NOT_EMPTY;
break;
// Can't find good map for some
case bdNamErr:
outErr = NS_ERROR_FAILURE;
break;
default:
outErr = NS_ERROR_FAILURE;
break;
}
return outErr;
}
// 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.
static void CopyUTF8toUTF16NFC(const nsACString& aSrc, nsAString& aResult)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
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);
::CFStringNormalize(inStr, kCFStringNormalizationFormC);
CFIndex length = ::CFStringGetLength(inStr);
const UniChar* chars = ::CFStringGetCharactersPtr(inStr);
if (chars) {
aResult.Assign(chars, length);
}
else {
nsAutoTArray<UniChar, PATH_MAX> buffer;
if (!buffer.SetLength(length)) {
CopyUTF8toUTF16(aSrc, aResult);
}
else {
::CFStringGetCharacters(inStr, ::CFRangeMake(0, length), buffer.Elements());
aResult.Assign(buffer.Elements(), length);
}
}
::CFRelease(inStr);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
nsresult CFStringReftoUTF8(CFStringRef aInStrRef, nsACString& aOutStr)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
// first see if the conversion would succeed and find the length of the result
CFIndex usedBufLen, inStrLen = ::CFStringGetLength(aInStrRef);
CFIndex charsConverted = ::CFStringGetBytes(aInStrRef, CFRangeMake(0, inStrLen),
kCFStringEncodingUTF8, 0, PR_FALSE,
NULL, 0, &usedBufLen);
if (charsConverted == inStrLen) {
// all characters converted, do the actual conversion
aOutStr.SetLength(usedBufLen);
if (aOutStr.Length() != (unsigned int)usedBufLen)
return NS_ERROR_OUT_OF_MEMORY;
UInt8 *buffer = (UInt8*)aOutStr.BeginWriting();
::CFStringGetBytes(aInStrRef, CFRangeMake(0, inStrLen), kCFStringEncodingUTF8,
0, false, buffer, usedBufLen, &usedBufLen);
return NS_OK;
}
return NS_ERROR_FAILURE;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
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