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gecko-dev/xpcom/io/nsLocalFileMac.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code,
* released March 31, 1998.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998-1999 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Steve Dagley <sdagley@netscape.com>
* John R. McMullen
*/
#include "nsCOMPtr.h"
#include "nsIAllocator.h"
#include "nsLocalFileMac.h"
#include "nsISimpleEnumerator.h"
#include "nsIComponentManager.h"
#include "prtypes.h"
#include "prerror.h"
#include "pprio.h" // Include this rather than prio.h so we get def of PR_ImportFile
#include "prmem.h"
#include "FullPath.h"
#include "FileCopy.h"
#include "MoreFilesExtras.h"
#include "DirectoryCopy.h"
#include <Errors.h>
#include <Script.h>
#include <Processes.h>
#include <StringCompare.h>
#include <AppleEvents.h>
#include <AEDataModel.h>
#include <Math64.h>
#include <Aliases.h>
#include <Folders.h>
#include "macDirectoryCopy.h"
// Stupid @#$% header looks like its got extern mojo but it doesn't really
extern "C"
{
#include <FSp_fopen.h>
}
#pragma mark [static util funcs]
static inline void ClearFSSpec(FSSpec& aSpec)
{
aSpec.vRefNum = 0;
aSpec.parID = 0;
aSpec.name[0] = 0;
}
// Simple func to map Mac OS errors into nsresults
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;
}
/*----------------------------------------------------------------------------
IsEqualFSSpec
Compare two canonical FSSpec records.
Entry: file1 = pointer to first FSSpec record.
file2 = pointer to second FSSpec record.
Exit: function result = true if the FSSpec records are equal.
----------------------------------------------------------------------------*/
static PRBool IsEqualFSSpec(const FSSpec& file1, const FSSpec& file2)
{
return
file1.vRefNum == file2.vRefNum &&
file1.parID == file2.parID &&
EqualString(file1.name, file2.name, false, true);
}
/*----------------------------------------------------------------------------
GetParentFolderSpec
Given an FSSpec to a (possibly non-existent) file, get an FSSpec for its
parent directory.
----------------------------------------------------------------------------*/
static OSErr GetParentFolderSpec(const FSSpec& fileSpec, FSSpec& parentDirSpec)
{
CInfoPBRec pBlock = {0};
OSErr err = noErr;
parentDirSpec.name[0] = 0;
pBlock.dirInfo.ioVRefNum = fileSpec.vRefNum;
pBlock.dirInfo.ioDrDirID = fileSpec.parID;
pBlock.dirInfo.ioNamePtr = (StringPtr)parentDirSpec.name;
pBlock.dirInfo.ioFDirIndex = -1; //get info on parID
err = PBGetCatInfoSync(&pBlock);
if (err != noErr) return err;
parentDirSpec.vRefNum = fileSpec.vRefNum;
parentDirSpec.parID = pBlock.dirInfo.ioDrParID;
return err;
}
/*----------------------------------------------------------------------------
VolHasDesktopDB
Check to see if a volume supports the new desktop database.
Entry: vRefNum = vol ref num of volumn
Exit: function result = error code.
*hasDesktop = true if volume has the new desktop database.
----------------------------------------------------------------------------*/
static OSErr VolHasDesktopDB (short vRefNum, Boolean *hasDesktop)
{
HParamBlockRec pb;
GetVolParmsInfoBuffer info;
OSErr err = noErr;
pb.ioParam.ioCompletion = nil;
pb.ioParam.ioNamePtr = nil;
pb.ioParam.ioVRefNum = vRefNum;
pb.ioParam.ioBuffer = (Ptr)&info;
pb.ioParam.ioReqCount = sizeof(info);
err = PBHGetVolParmsSync(&pb);
*hasDesktop = err == noErr && (info.vMAttrib & (1L << bHasDesktopMgr)) != 0;
return err;
}
/*----------------------------------------------------------------------------
GetLastModDateTime
Get the last mod date and time of a file.
Entry: fSpec = pointer to file spec.
Exit: function result = error code.
*lastModDateTime = last mod date and time.
----------------------------------------------------------------------------*/
static OSErr GetLastModDateTime(const FSSpec *fSpec, unsigned long *lastModDateTime)
{
CInfoPBRec pBlock;
OSErr err = noErr;
pBlock.hFileInfo.ioNamePtr = (StringPtr)fSpec->name;
pBlock.hFileInfo.ioVRefNum = fSpec->vRefNum;
pBlock.hFileInfo.ioFDirIndex = 0;
pBlock.hFileInfo.ioDirID = fSpec->parID;
err = PBGetCatInfoSync(&pBlock);
if (err != noErr) return err;
*lastModDateTime = pBlock.hFileInfo.ioFlMdDat;
return noErr;
}
/*----------------------------------------------------------------------------
FindAppOnVolume
Find an application on a volume.
Entry: sig = application signature.
vRefNum = vol ref num
Exit: function result = error code
= afpItemNotFound if app not found on vol.
*file = file spec for application on volume.
----------------------------------------------------------------------------*/
static OSErr FindAppOnVolume (OSType sig, short vRefNum, FSSpec *file)
{
DTPBRec pb;
OSErr err = noErr;
short ioDTRefNum, i;
FInfo fInfo;
FSSpec candidate;
unsigned long lastModDateTime, maxLastModDateTime;
memset(&pb, 0, sizeof(DTPBRec));
pb.ioCompletion = nil;
pb.ioVRefNum = vRefNum;
pb.ioNamePtr = nil;
err = PBDTGetPath(&pb);
if (err != noErr) return err;
ioDTRefNum = pb.ioDTRefNum;
memset(&pb, 0, sizeof(DTPBRec));
pb.ioCompletion = nil;
pb.ioIndex = 0;
pb.ioFileCreator = sig;
pb.ioNamePtr = file->name;
pb.ioDTRefNum = ioDTRefNum;
err = PBDTGetAPPLSync(&pb);
if (err == fnfErr || err == paramErr) return afpItemNotFound;
if (err != noErr) return err;
file->vRefNum = vRefNum;
file->parID = pb.ioAPPLParID;
err = FSpGetFInfo(file, &fInfo);
if (err == noErr) return noErr;
i = 1;
maxLastModDateTime = 0;
while (true)
{
memset(&pb, 0, sizeof(DTPBRec));
pb.ioCompletion = nil;
pb.ioIndex = i;
pb.ioFileCreator = sig;
pb.ioNamePtr = candidate.name;
pb.ioDTRefNum = ioDTRefNum;
err = PBDTGetAPPLSync(&pb);
if (err != noErr) break;
candidate.vRefNum = vRefNum;
candidate.parID = pb.ioAPPLParID;
err = GetLastModDateTime(file, &lastModDateTime);
if (err == noErr) {
if (lastModDateTime > maxLastModDateTime) {
maxLastModDateTime = lastModDateTime;
*file = candidate;
}
}
i++;
}
return maxLastModDateTime > 0 ? noErr : afpItemNotFound;
}
/*----------------------------------------------------------------------------
GetIndVolume
Get a volume reference number by volume index.
Entry: index = volume index
Exit: function result = error code.
*vRefNum = vol ref num of indexed volume.
----------------------------------------------------------------------------*/
static OSErr GetIndVolume(short index, short *vRefNum)
{
ParamBlockRec pb;
OSErr err = noErr;
pb.volumeParam.ioCompletion = nil;
pb.volumeParam.ioNamePtr = nil;
pb.volumeParam.ioVolIndex = index;
err = PBGetVInfoSync(&pb);
*vRefNum = pb.volumeParam.ioVRefNum;
return err;
}
// Private NSPR functions
static unsigned long gJanuaryFirst1970Seconds = 0;
/*
* The geographic location and time zone information of a Mac
* are stored in extended parameter RAM. The ReadLocation
* produdure uses the geographic location record, MachineLocation,
* to read the geographic location and time zone information in
* extended parameter RAM.
*
* Because serial port and SLIP conflict with ReadXPram calls,
* we cache the call here.
*
* Caveat: this caching will give the wrong result if a session
* extend across the DST changeover time.
*/
static void MyReadLocation(MachineLocation *loc)
{
static MachineLocation storedLoc;
static Boolean didReadLocation = false;
if (!didReadLocation) {
ReadLocation(&storedLoc);
didReadLocation = true;
}
*loc = storedLoc;
}
static long GMTDelta(void)
{
MachineLocation loc;
long gmtDelta;
MyReadLocation(&loc);
gmtDelta = loc.u.gmtDelta & 0x00ffffff;
if (gmtDelta & 0x00800000) { /* test sign extend bit */
gmtDelta |= 0xff000000;
}
return gmtDelta;
}
static void MacintoshInitializeTime(void)
{
/*
* The NSPR epoch is midnight, Jan. 1, 1970 GMT.
*
* At midnight Jan. 1, 1970 GMT, the local time was
* midnight Jan. 1, 1970 + GMTDelta().
*
* Midnight Jan. 1, 1970 is 86400 * (365 * (1970 - 1904) + 17)
* = 2082844800 seconds since the Mac epoch.
* (There were 17 leap years from 1904 to 1970.)
*
* So the NSPR epoch is 2082844800 + GMTDelta() seconds since
* the Mac epoch. Whew! :-)
*/
gJanuaryFirst1970Seconds = 2082844800 + GMTDelta();
}
static nsresult ConvertMacTimeToUnixTime( PRInt64* aLastModificationDate, PRInt32 timestamp )
{
if ( gJanuaryFirst1970Seconds == 0)
MacintoshInitializeTime();
timestamp -= gJanuaryFirst1970Seconds;
PRTime oneMillion, dateInMicroSeconds;
LL_I2L(dateInMicroSeconds, timestamp);
LL_I2L(oneMillion, 1000000UL);
LL_MUL(*aLastModificationDate, oneMillion, dateInMicroSeconds);
return NS_OK;
}
static nsresult ConvertUnixTimeToMacTime(PRInt64 aUnixTime, PRUint32 *aOutMacTime)
{
NS_ENSURE_ARG( aOutMacTime );
PRTime oneMillion, dateInSeconds;
dateInSeconds = LL_ZERO;
LL_I2L(oneMillion, 1000000UL);
LL_DIV(dateInSeconds, aUnixTime, oneMillion); // dateInSeconds = aUnixTime/1,000,000
LL_L2UI(*aOutMacTime, dateInSeconds);
*aOutMacTime += 2082844800; // dateInSeconds + Mac epoch
return NS_OK;
}
#pragma mark -
static void myPLstrcpy(Str255 dst, const char* src)
{
int srcLength = strlen(src);
NS_ASSERTION(srcLength <= 255, "Oops, Str255 can't hold >255 chars");
if (srcLength > 255)
srcLength = 255;
dst[0] = srcLength;
memcpy(&dst[1], src, srcLength);
}
static void myPLstrncpy(Str255 dst, const char* src, int inMax)
{
int srcLength = strlen(src);
if (srcLength > inMax)
srcLength = inMax;
dst[0] = srcLength;
memcpy(&dst[1], src, srcLength);
}
// Aaargh!!!! Gotta roll my own equivalents of PR_OpenDir, PR_ReadDir and PR_CloseDir
// I can't use the NSPR versions as they expect a unix path and I can't easily adapt
// the directory iterator fucntion from MoreFIles as it wants to iterate things itself
// and use a callback function to operate on the iterated entries
typedef struct
{
short ioVRefNum;
long ioDirID;
short ioFDirIndex;
char *currentEntryName;
} MyPRDir;
static MyPRDir * My_OpenDir(FSSpec *fileSpec)
{
MyPRDir *dir = NULL;
OSErr err;
long theDirID;
Boolean isDirectory;
err = ::FSpGetDirectoryID(fileSpec, &theDirID, &isDirectory);
if (err == noErr)
{
if (isDirectory)
{
/* This is a directory, store away the pertinent information.
** We post increment. I.e. index is always the nth. item we
** should get on the next call
*/
dir = PR_NEW(MyPRDir);
if (dir)
{
dir->ioVRefNum = fileSpec->vRefNum;
dir->ioDirID = theDirID;
dir->currentEntryName = NULL;
dir->ioFDirIndex = 1;
}
}
}
return dir;
}
static char * My_ReadDir(MyPRDir *mdDir, PRIntn flags)
{
OSErr err;
CInfoPBRec pb;
char *returnedCStr;
Str255 pascalName = "\p";
PRBool foundEntry;
do
{
// Release the last name read
if (mdDir->currentEntryName)
{
PR_DELETE(mdDir->currentEntryName);
mdDir->currentEntryName = NULL;
}
// We<57>ve got all the info we need, just get info about this guy.
pb.hFileInfo.ioNamePtr = pascalName;
pb.hFileInfo.ioVRefNum = mdDir->ioVRefNum;
pb.hFileInfo.ioFDirIndex = mdDir->ioFDirIndex;
pb.hFileInfo.ioDirID = mdDir->ioDirID;
err = ::PBGetCatInfoSync(&pb);
if (err != noErr)
goto ErrorExit;
// Convert the Pascal string to a C string (actual allocation occurs in CStrFromPStr)
unsigned long len = pascalName[0];
returnedCStr = (char *)PR_MALLOC(len + 1);
if (returnedCStr)
{
::BlockMoveData(&pascalName[1], returnedCStr, len);
returnedCStr[len] = NULL;
}
mdDir->currentEntryName = returnedCStr;
mdDir->ioFDirIndex++;
// If it is not a hidden file and the flags did not specify skipping, we are done.
if ((flags & PR_SKIP_HIDDEN) && (pb.hFileInfo.ioFlFndrInfo.fdFlags & fInvisible))
foundEntry = PR_FALSE;
else
foundEntry = PR_TRUE;
} while (!foundEntry);
return (mdDir->currentEntryName);
ErrorExit:
return NULL;
}
static void My_CloseDir(MyPRDir *mdDir)
{
if (!mdDir)
return; // Not much we can do with a null mdDir
// If we'd allocated an entry name then delete it
if (mdDir->currentEntryName)
PR_DELETE(mdDir->currentEntryName);
// delete the directory info struct as well
PR_DELETE(mdDir);
}
// The R**co FSSpec resolver -
// it slices, it dices, it juliannes fries and it even creates FSSpecs out of whatever you feed it
// This function will take a path and a starting FSSpec and generate a FSSpec to represent
// the target of the two. If the intial FSSpec is null the path alone will be resolved
static OSErr ResolvePathAndSpec(const char * filePath, FSSpec *inSpec, PRBool createDirs, FSSpec *outSpec)
{
OSErr err = noErr;
size_t inLength = strlen(filePath);
Boolean isRelative = (inSpec && (strchr(filePath, ':') == 0 || *filePath == ':'));
if (isRelative && inSpec)
{
outSpec->vRefNum = inSpec->vRefNum;
outSpec->parID = inSpec->parID;
}
else
{
outSpec->vRefNum = 0;
outSpec->parID = 0;
}
// Try making an FSSpec from the path
if (inLength < 255)
{
Str255 pascalpath;
myPLstrcpy(pascalpath, filePath);
err = ::FSMakeFSSpec(outSpec->vRefNum, outSpec->parID, pascalpath, outSpec);
}
else if (!isRelative)
{
err = ::FSpLocationFromFullPath(inLength, filePath, outSpec);
}
else
{ // If the path is relative and >255 characters we need to manually walk the
// path appending each node to the initial FSSpec so to reach that code we
// set the err to bdNamErr and fall into the code below
err = bdNamErr;
}
// If we successfully created a spec then leave
if (err == noErr)
return err;
// We get here when the directory hierarchy needs to be created or we're resolving
// a relative path >255 characters long
if (err == dirNFErr || err == bdNamErr)
{
const char* path = filePath;
outSpec->vRefNum = 0;
outSpec->parID = 0;
do
{
// Locate the colon that terminates the node.
// But if we've a partial path (starting with a colon), find the second one.
const char* nextColon = strchr(path + (*path == ':'), ':');
// Well, if there are no more colons, point to the end of the string.
if (!nextColon)
nextColon = path + strlen(path);
// Make a pascal string out of this node. Include initial
// and final colon, if any!
Str255 ppath;
myPLstrncpy(ppath, path, nextColon - path + 1);
// Use this string as a relative path using the directory created
// on the previous round (or directory 0,0 on the first round).
err = ::FSMakeFSSpec(outSpec->vRefNum, outSpec->parID, ppath, outSpec);
// If this was the leaf node, then we are done.
if (!*nextColon)
break;
// Since there's more to go, we have to get the directory ID, which becomes
// the parID for the next round.
if (err == noErr)
{
// The directory (or perhaps a file) exists. Find its dirID.
long dirID;
Boolean isDirectory;
err = ::FSpGetDirectoryID(outSpec, &dirID, &isDirectory);
if (!isDirectory)
err = dupFNErr; // oops! a file exists with that name.
if (err != noErr)
break; // bail if we've got an error
outSpec->parID = dirID;
}
else if ((err == fnfErr) && createDirs)
{
// If we got "file not found" and we're allowed to create directories
// then we need to create aone
err = ::FSpDirCreate(outSpec, smCurrentScript, &outSpec->parID);
// For some reason, this usually returns fnfErr, even though it works.
if (err == fnfErr)
err = noErr;
}
if (err != noErr)
break;
path = nextColon; // next round
} while (true);
}
return err;
}
#pragma mark -
#pragma mark [nsDirEnumerator]
class nsDirEnumerator : public nsISimpleEnumerator
{
public:
NS_DECL_ISUPPORTS
nsDirEnumerator() : mDir(nsnull)
{
NS_INIT_REFCNT();
}
nsresult Init(nsILocalFile* parent)
{
FSSpec fileSpec;
fileSpec.vRefNum = 0;
fileSpec.parID = 0;
nsCOMPtr<nsILocalFileMac> localFileMac = do_QueryInterface(parent);
if (localFileMac) {
localFileMac->GetResolvedFSSpec(&fileSpec);
}
// See if we managed to get a FSSpec
if (!fileSpec.vRefNum && !fileSpec.parID)
{
return NS_ERROR_FAILURE;
}
mDir = My_OpenDir(&fileSpec);
if (mDir == nsnull) // not a directory?
return NS_ERROR_FAILURE;
mParent = parent;
return NS_OK;
}
NS_IMETHOD HasMoreElements(PRBool *result)
{
nsresult rv = NS_OK;
if (mNext == nsnull && mDir)
{
char* name = My_ReadDir(mDir, PR_SKIP_BOTH);
if (name == nsnull)
{
// end of dir entries
My_CloseDir(mDir);
mDir = nsnull;
*result = PR_FALSE;
return NS_OK;
}
// Make a new nsILocalFile for the new element
nsCOMPtr<nsILocalFile> file;
rv = NS_NewLocalFile("dummy:path", getter_AddRefs(file));
if (NS_FAILED(rv))
return rv;
// Init with the FSSpec for the current dir
FSSpec tempSpec;
tempSpec.vRefNum = mDir->ioVRefNum;
tempSpec.parID = mDir->ioDirID;
tempSpec.name[0] = 0;
nsCOMPtr<nsILocalFileMac> localFileMac = do_QueryInterface(file);
if (localFileMac) {
localFileMac->InitWithFSSpec(&tempSpec);
}
// Now set the leaf name of the new nsILocalFile to the new element
rv = file->SetLeafName(name);
if (NS_FAILED(rv))
return rv;
mNext = do_QueryInterface(file);
}
*result = mNext != nsnull;
return NS_OK;
}
NS_IMETHOD GetNext(nsISupports **result)
{
nsresult rv = NS_OK;
PRBool hasMore;
rv = HasMoreElements(&hasMore);
if (NS_FAILED(rv)) return rv;
*result = mNext; // might return nsnull
NS_IF_ADDREF(*result);
mNext = null_nsCOMPtr();
return NS_OK;
}
virtual ~nsDirEnumerator()
{
if (mDir)
{
My_CloseDir(mDir);
}
}
protected:
MyPRDir* mDir;
nsCOMPtr<nsILocalFile> mParent;
nsCOMPtr<nsILocalFile> mNext;
};
NS_IMPL_ISUPPORTS(nsDirEnumerator, NS_GET_IID(nsISimpleEnumerator));
#pragma mark -
#pragma mark [CTOR/DTOR]
nsLocalFile::nsLocalFile()
: mInitType(eNotInitialized)
, mLastResolveFlag(PR_FALSE)
, mHaveFileInfo(PR_FALSE)
{
NS_INIT_REFCNT();
MakeDirty();
ClearFSSpec(mSpec);
}
nsLocalFile::~nsLocalFile()
{
}
#pragma mark -
#pragma mark [nsISupports interface implementation]
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;
}
// This function resets any cached information about the file.
void
nsLocalFile::MakeDirty()
{
mStatDirty = PR_TRUE;
ClearFSSpec(mResolvedSpec);
ClearFSSpec(mTargetSpec);
mResolvedWasAlias = false;
mResolvedWasFolder = false;
mHaveFileInfo = PR_FALSE;
}
NS_IMETHODIMP
nsLocalFile::ResolveAndStat(PRBool resolveTerminal)
{
OSErr err = noErr;
char *filePath;
if (!mStatDirty && resolveTerminal == mLastResolveFlag)
{
return NS_OK;
}
mLastResolveFlag = resolveTerminal;
// See if we have been initialized with a spec
switch (mInitType)
{
case eInitWithPath:
{
filePath = (char *)nsAllocator::Clone(mWorkingPath, strlen(mWorkingPath)+1);
err = ResolvePathAndSpec(filePath, nsnull, PR_FALSE, &mResolvedSpec);
nsAllocator::Free(filePath);
break;
}
case eInitWithFSSpec:
{
if (strlen(mAppendedPath))
{ // We've got an FSSpec and an appended path so pass 'em both to ResolvePathAndSpec
filePath = (char *)nsAllocator::Clone(mAppendedPath, strlen(mAppendedPath)+1);
err = ResolvePathAndSpec(filePath, &mSpec, PR_FALSE, &mResolvedSpec);
nsAllocator::Free(filePath);
}
else
{
err = ::FSMakeFSSpec(mSpec.vRefNum, mSpec.parID, mSpec.name, &mResolvedSpec);
}
break;
}
default:
// !!!!! Danger Will Robinson !!!!!
// we really shouldn't get here
NS_NOTREACHED("Unknown nsLocalFileMac init type");
break;
}
if (resolveTerminal && err == noErr)
{
// Resolve the alias to the original file.
FSSpec spec = mResolvedSpec;
err = ::ResolveAliasFile(&spec, TRUE, &mResolvedWasFolder, &mResolvedWasAlias);
if (err != noErr)
return MacErrorMapper(err);
else
mTargetSpec = spec;
}
if (err == noErr)
{
mStatDirty = PR_FALSE;
}
return (MacErrorMapper(err));
}
NS_IMETHODIMP
nsLocalFile::Clone(nsIFile **file)
{
NS_ENSURE_ARG(file);
*file = nsnull;
// Create the new nsLocalFile
nsCOMPtr<nsILocalFile> localFile = new nsLocalFile();
if (localFile == NULL)
return NS_ERROR_OUT_OF_MEMORY;
// See if it's a nsLocalFileMac (shouldn't be possible for it not to be)
nsCOMPtr<nsILocalFileMac> localFileMac = do_QueryInterface(localFile);
if (localFileMac == NULL)
return NS_ERROR_NO_INTERFACE;
nsresult rv = NS_OK;
// Now we figure out how we were initialized in order to determine how to
// initialize the clone
nsLocalFileMacInitType initializedAs;
localFileMac->GetInitType(&initializedAs);
switch (mInitType)
{
case eInitWithPath:
// The simple case
char *path;
GetPath(&path);
rv = localFile->InitWithPath(path);
break;
case eInitWithFSSpec:
// Slightly more complex as we need to set the FSSpec and any appended
// path info
// ????? Should we just set this to the resolved spec ?????
localFileMac->InitWithFSSpec(&mSpec);
// Now set any appended path info
char *appendedPath;
GetAppendedPath(&appendedPath);
rv = localFileMac->SetAppendedPath(appendedPath);
nsAllocator::Free(appendedPath);
break;
default:
NS_NOTREACHED("we really shouldn't get here");
break;
}
if (NS_FAILED(rv))
return rv;
*file = localFile;
NS_ADDREF(*file);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::InitWithPath(const char *filePath)
{
MakeDirty();
NS_ENSURE_ARG(filePath);
// Make sure there's a colon in the path and it is not the first character
// so we know we got a full path, not a partial one
if (strchr(filePath, ':') == 0 || *filePath == ':')
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
// Just save the specified file path since we can't actually do anything
// about turniung it into an FSSpec until the Create() method is called
mWorkingPath.Assign(filePath);
mInitType = eInitWithPath;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::OpenNSPRFileDesc(PRInt32 flags, PRInt32 mode, PRFileDesc **_retval)
{
// Macintosh doesn't really have mode bits, just drop them
#pragma unused (mode)
NS_ENSURE_ARG(_retval);
FSSpec spec;
OSErr err = noErr;
nsresult rv = ResolveAndStat(PR_TRUE);
if ((rv == NS_ERROR_FILE_NOT_FOUND) && (flags & PR_CREATE_FILE))
spec = mResolvedSpec;
else
spec = mTargetSpec;
// Resolve the alias to the original file.
Boolean targetIsFolder;
Boolean wasAliased;
err = ::ResolveAliasFile(&spec, TRUE, &targetIsFolder, &wasAliased);
// If we're going to create a file it's ok if it doesn't exist
if (err == fnfErr && (flags & PR_CREATE_FILE))
err = noErr;
if (err != noErr)
return MacErrorMapper(err);
if (flags & PR_CREATE_FILE)
err = ::FSpCreate(&spec, 'MOSS', 'TEXT', 0);
/* If opening with the PR_EXCL flag the existence of the file prior to opening is an error */
if ((flags & PR_EXCL) && (err == dupFNErr))
return MacErrorMapper(err);
if (err == dupFNErr)
err = noErr;
if (err != noErr)
return MacErrorMapper(err);
SInt8 perm;
if (flags & PR_RDWR)
perm = fsRdWrPerm;
else if (flags & PR_WRONLY)
perm = fsWrPerm;
else
perm = fsRdPerm;
short refnum;
err = ::FSpOpenDF(&spec, perm, &refnum);
if (err == noErr && (flags & PR_TRUNCATE))
err = ::SetEOF(refnum, 0);
if (err == noErr && (flags & PR_APPEND))
err = ::SetFPos(refnum, fsFromLEOF, 0);
if (err != noErr)
return MacErrorMapper(err);
if ((*_retval = PR_ImportFile(refnum)) == 0)
return NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES,(PR_GetError() & 0xFFFF));
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::OpenANSIFileDesc(const char *mode, FILE * *_retval)
{
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND)
return rv;
// Resolve the alias to the original file.
FSSpec spec = mTargetSpec;
Boolean targetIsFolder;
Boolean wasAliased;
OSErr err = ::ResolveAliasFile(&spec, TRUE, &targetIsFolder, &wasAliased);
if (err != noErr)
return MacErrorMapper(err);
*_retval = FSp_fopen(&spec, mode);
if (*_retval)
return NS_OK;
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsLocalFile::Create(PRUint32 type, PRUint32 attributes)
{
OSErr err;
char *filePath;
if (type != NORMAL_FILE_TYPE && type != DIRECTORY_TYPE)
return NS_ERROR_FILE_UNKNOWN_TYPE;
switch (mInitType)
{
case eInitWithPath:
{
filePath = (char *)nsAllocator::Clone(mWorkingPath, strlen(mWorkingPath)+1);
err = ResolvePathAndSpec(filePath, nsnull, PR_FALSE, &mResolvedSpec);
nsAllocator::Free(filePath);
break;
}
case eInitWithFSSpec:
{
if (strlen(mAppendedPath))
{ // We've got an FSSpec and an appended path so pass 'em both to ResolvePathAndSpec
filePath = (char *)nsAllocator::Clone(mAppendedPath, strlen(mAppendedPath)+1);
err = ResolvePathAndSpec(filePath, &mSpec, PR_FALSE, &mResolvedSpec);
nsAllocator::Free(filePath);
}
else
{
err = ::FSMakeFSSpec(mSpec.vRefNum, mSpec.parID, mSpec.name, &mResolvedSpec);
}
break;
}
default:
// !!!!! Danger Will Robinson !!!!!
// we really shouldn't get here
NS_NOTREACHED("Unknown nsLocalFileMac init type");
break;
}
if (err != noErr && err != fnfErr)
return (MacErrorMapper(err));
switch (type)
{
case NORMAL_FILE_TYPE:
// We really should use some sort of meaningful file type/creator but where
// do we get the info from?
err = ::FSpCreate(&mResolvedSpec, '????', '????', smCurrentScript);
return (MacErrorMapper(err));
break;
case DIRECTORY_TYPE:
err = ::FSpDirCreate(&mResolvedSpec, smCurrentScript, &mResolvedSpec.parID);
// For some reason, this usually returns fnfErr, even though it works.
if (err == fnfErr)
err = noErr;
return (MacErrorMapper(err));
break;
default:
// For now just fall out of the switch into the default return NS_ERROR_FILE_UNKNOWN_TYPE
break;
}
return NS_ERROR_FILE_UNKNOWN_TYPE;
}
NS_IMETHODIMP
nsLocalFile::Append(const char *node)
{
if ( (node == nsnull) )
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
MakeDirty();
// Yee Hah! We only get a single node at a time so just append it
// to either the mWorkingPath or mAppendedPath, after adding the ':'
// directory delimeter, depending on how we were initialized
switch (mInitType)
{
case eInitWithPath:
if ( (mWorkingPath.Last())!=':' )
mWorkingPath.Append(":");
mWorkingPath.Append(node);
break;
case eInitWithFSSpec:
mAppendedPath.Append(":");
mAppendedPath.Append(node);
break;
default:
// !!!!! Danger Will Robinson !!!!!
// we really shouldn't get here
NS_NOTREACHED("Unknown nsLocalFileMac init type");
break;
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetLeafName(char * *aLeafName)
{
NS_ENSURE_ARG_POINTER(aLeafName);
switch (mInitType)
{
case eInitWithPath:
const char* temp = mWorkingPath.GetBuffer();
if (temp == nsnull)
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
const char* leaf = strrchr(temp, ':');
// if the working path is just a node without any directory delimeters.
if (leaf == nsnull)
leaf = temp;
else
leaf++;
*aLeafName = (char*) nsAllocator::Clone(leaf, strlen(leaf)+1);
break;
case eInitWithFSSpec:
// See if we've had a path appended
if (mAppendedPath.Length())
{
const char* temp = mAppendedPath.GetBuffer();
if (temp == nsnull)
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
const char* leaf = strrchr(temp, ':');
// if the working path is just a node without any directory delimeters.
if (leaf == nsnull)
leaf = temp;
else
leaf++;
*aLeafName = (char*) nsAllocator::Clone(leaf, strlen(leaf)+1);
}
else
{
// We don't have an appended path so grab the leaf name from the FSSpec
// Convert the Pascal string to a C string
PRInt32 len = mSpec.name[0];
char* leafName = (char *)nsAllocator::Alloc(len + 1);
if (!leafName) return NS_ERROR_OUT_OF_MEMORY;
::BlockMoveData(&mSpec.name[1], leafName, len);
leafName[len] = '\0';
*aLeafName = leafName;
}
break;
default:
// !!!!! Danger Will Robinson !!!!!
// we really shouldn't get here
NS_NOTREACHED("Unknown nsLocalFileMac init type");
break;
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetLeafName(const char * aLeafName)
{
NS_ENSURE_ARG_POINTER(aLeafName);
MakeDirty();
switch (mInitType)
{
case eInitWithPath:
PRInt32 offset = mWorkingPath.RFindChar(':');
if (offset)
{
mWorkingPath.Truncate(offset + 1);
}
mWorkingPath.Append(aLeafName);
break;
case eInitWithFSSpec:
// See if we've had a path appended
if (mAppendedPath.Length())
{ // Lop off the end of the appended path and replace it with the new leaf name
PRInt32 offset = mAppendedPath.RFindChar(':');
if (offset)
{
mAppendedPath.Truncate(offset + 1);
}
mAppendedPath.Append(aLeafName);
}
else
{
// We don't have an appended path so directly modify the FSSpec
myPLstrcpy(mSpec.name, aLeafName);
}
break;
default:
// !!!!! Danger Will Robinson !!!!!
// we really shouldn't get here
break;
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetPath(char **_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
switch (mInitType)
{
case eInitWithPath:
*_retval = (char*) nsAllocator::Clone(mWorkingPath, strlen(mWorkingPath)+1);
if (!*_retval)
return NS_ERROR_OUT_OF_MEMORY;
break;
case eInitWithFSSpec:
{ // Now would be a good time to call the code that makes an FSSpec into a path
short fullPathLen;
Handle fullPathHandle;
ResolveAndStat(PR_TRUE);
(void)::FSpGetFullPath(&mResolvedSpec, &fullPathLen, &fullPathHandle);
if (!fullPathHandle)
return NS_ERROR_OUT_OF_MEMORY;
char* fullPath = (char *)nsAllocator::Alloc(fullPathLen + 1);
if (!fullPath)
return NS_ERROR_OUT_OF_MEMORY;
::HLock(fullPathHandle);
nsCRT::memcpy(fullPath, *fullPathHandle, fullPathLen);
fullPath[fullPathLen] = '\0';
*_retval = fullPath;
::DisposeHandle(fullPathHandle);
break;
}
default:
// !!!!! Danger Will Robinson !!!!!
// we really shouldn't get here
NS_NOTREACHED("Unknown nsLocalFileMac init type");
break;
}
// For cross platform reasons we need to make sure that even if we have a path to a
// directory we don't return the trailing colon. This used to break the component
// manager (Bugzilla bug #26102)
PRUint32 lastChar = strlen(*_retval) - 1;
if ((*_retval)[lastChar] == ':')
(*_retval)[lastChar] = '\0';
return NS_OK;
}
nsresult nsLocalFile::MoveCopy( nsIFile* newParentDir, const char* newName, PRBool isCopy )
{
nsresult rv = ResolveAndStat( PR_TRUE );
if ( NS_FAILED( rv ) )
return rv;
nsCOMPtr<nsILocalFileMac> destDir( do_QueryInterface( newParentDir ));
PRBool isDirectory;
rv = newParentDir->IsDirectory( &isDirectory );
if ( NS_FAILED( rv ) )
return rv;
FSSpec srcSpec;
FSSpec destSpec;
srcSpec = mResolvedSpec;
rv = destDir->GetResolvedFSSpec( &destSpec );
if ( NS_FAILED( rv ) )
return rv;
OSErr macErr;
Str255 newPascalName;
if ( newName )
myPLstrncpy( newPascalName, newName, 255);
if ( isCopy )
{
if ( mResolvedWasFolder )
macErr = MacFSpDirectoryCopyRename( &srcSpec, &destSpec, newPascalName, NULL, 0, true, NULL );
else
macErr = ::FSpFileCopy( &srcSpec, &destSpec, newPascalName, NULL, 0, true );
}
else
{
macErr= ::FSpMoveRenameCompat(&srcSpec, &destSpec, newPascalName);
if ( macErr == diffVolErr)
{
// On a different Volume so go for Copy and then delete
rv = CopyTo( newParentDir, newName );
if ( NS_FAILED ( rv ) )
return rv;
return Delete( PR_TRUE );
}
}
return MacErrorMapper( macErr );
}
NS_IMETHODIMP
nsLocalFile::CopyTo(nsIFile *newParentDir, const char *newName)
{
return MoveCopy( newParentDir, newName, PR_TRUE );
}
NS_IMETHODIMP
nsLocalFile::CopyToFollowingLinks(nsIFile *newParentDir, const char *newName)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsLocalFile::MoveTo(nsIFile *newParentDir, const char *newName)
{
return MoveCopy( newParentDir, newName, PR_FALSE );
}
NS_IMETHODIMP
nsLocalFile::Spawn(const char **args, PRUint32 count)
{
PRBool isFile;
nsresult rv = IsFile(&isFile);
if (NS_FAILED(rv))
return rv;
return NS_ERROR_FILE_EXECUTION_FAILED;
}
NS_IMETHODIMP
nsLocalFile::Load(PRLibrary * *_retval)
{
PRBool isFile;
nsresult rv = IsFile(&isFile);
if (NS_FAILED(rv))
return rv;
if (! isFile)
return NS_ERROR_FILE_IS_DIRECTORY;
// Use the new PR_LoadLibraryWithFlags which allows us to use a FSSpec
PRLibSpec libSpec;
libSpec.type = PR_LibSpec_MacIndexedFragment;
libSpec.value.mac_indexed_fragment.fsspec = &mTargetSpec;
libSpec.value.mac_indexed_fragment.index = 0;
*_retval = PR_LoadLibraryWithFlags(libSpec, 0);
if (*_retval)
return NS_OK;
return NS_ERROR_NULL_POINTER;
}
NS_IMETHODIMP
nsLocalFile::Delete(PRBool recursive)
{
MakeDirty();
PRBool isDir;
nsresult rv = IsDirectory(&isDir);
if (NS_FAILED(rv))
return rv;
const char *filePath = mResolvedPath.GetBuffer();
OSErr macerror;
if (isDir && recursive)
macerror = ::DeleteDirectory( mResolvedSpec.vRefNum, mResolvedSpec.parID, mResolvedSpec.name );
else
macerror = ::HDelete( mResolvedSpec.vRefNum, mResolvedSpec.parID, mResolvedSpec.name );
return MacErrorMapper( macerror );
}
NS_IMETHODIMP
nsLocalFile::GetLastModificationDate(PRInt64 *aLastModificationDate)
{
NS_ENSURE_ARG(aLastModificationDate);
nsresult rv = ResolveAndStat( PR_TRUE );
if ( NS_FAILED( rv ) )
return rv;
CInfoPBRec pb;
PRUint32 timestamp;
if (GetTargetSpecCatInfo(pb) == noErr)
timestamp = ((DirInfo*)&pb)->ioDrMdDat; // The mod date is in the same spot for files and dirs.
else
timestamp = 0;
return ConvertMacTimeToUnixTime( aLastModificationDate, timestamp );
}
NS_IMETHODIMP
nsLocalFile::SetLastModificationDate(PRInt64 aLastModificationDate)
{
MakeDirty();
nsresult rv = ResolveAndStat( PR_TRUE );
if ( NS_FAILED(rv) )
return rv;
CInfoPBRec pb;
PRUint32 macTime = 0;
OSErr err = noErr;
PRBool bIsDir = PR_FALSE;
ConvertUnixTimeToMacTime(aLastModificationDate, &macTime);
rv = IsDirectory(&bIsDir);
if ( NS_FAILED(rv) )
return rv;
err = GetTargetSpecCatInfo(pb);
if (err == noErr)
{
if (bIsDir)
{
pb.dirInfo.ioDrMdDat = macTime;
pb.dirInfo.ioDrParID = mTargetSpec.parID;
}
else
{
pb.hFileInfo.ioFlMdDat = macTime;
pb.hFileInfo.ioDirID = mTargetSpec.parID;
}
err = ::PBSetCatInfoSync(&pb);
if (err != noErr)
return MacErrorMapper(err);
}
return MacErrorMapper(err);
}
NS_IMETHODIMP
nsLocalFile::GetLastModificationDateOfLink(PRInt64 *aLastModificationDate)
{
NS_ENSURE_ARG(aLastModificationDate);
aLastModificationDate->hi = 0;
aLastModificationDate->lo = 0;
NS_ASSERTION(0, "Not implemented");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsLocalFile::SetLastModificationDateOfLink(PRInt64 aLastModificationDate)
{
MakeDirty();
NS_ASSERTION(0, "Not implemented");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsLocalFile::GetFileSize(PRInt64 *aFileSize)
{
NS_ENSURE_ARG(aFileSize);
aFileSize->hi = 0;
aFileSize->lo = 0;
ResolveAndStat(PR_TRUE);
long dataSize = 0;
long resSize = 0;
OSErr err = FSpGetFileSize(&mTargetSpec, &dataSize, &resSize);
if (err != noErr && !mResolvedWasFolder)
return MacErrorMapper(err);
// For now we've only got 32 bits of file size info
PRInt64 dataInt64 = LL_Zero();
PRInt64 resInt64 = LL_Zero();
// WARNING!!!!!!
//
// For now we do NOT add the data and resource fork sizes as there are several
// assumptions in the code (notably in form submit) that only the data fork is
// used.
// LL_I2L(resInt64, resSize);
LL_I2L(dataInt64, dataSize);
LL_ADD((*aFileSize), dataInt64, resInt64);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetFileSize(PRInt64 aFileSize)
{
PRBool exists;
Exists(&exists);
if (exists)
{
short refNum;
OSErr err;
PRInt32 aNewLength;
LL_L2I(aNewLength, aFileSize);
// Need to open the file to set the size
if (::FSpOpenDF(&mTargetSpec, fsWrPerm, &refNum) != noErr)
return NS_ERROR_FILE_ACCESS_DENIED;
err = ::SetEOF(refNum, aNewLength);
// Close the file unless we got an error that it was already closed
if (err != fnOpnErr)
(void)::FSClose(refNum);
if (err != noErr)
return MacErrorMapper(err);
}
else
{
return NS_ERROR_FILE_NOT_FOUND;
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetFileSizeOfLink(PRInt64 *aFileSize)
{
NS_ENSURE_ARG(aFileSize);
aFileSize->hi = 0;
aFileSize->lo = 0;
ResolveAndStat(PR_TRUE);
long dataSize = 0;
long resSize = 0;
OSErr err = FSpGetFileSize(&mResolvedSpec, &dataSize, &resSize);
if (err != noErr && !mResolvedWasFolder)
return MacErrorMapper(err);
// For now we've only got 32 bits of file size info
PRInt64 dataInt64 = LL_Zero();
PRInt64 resInt64 = LL_Zero();
// WARNING!!!!!!
//
// For now we do NOT add the data and resource fork sizes as there are several
// assumptions in the code (notably in form submit) that only the data fork is
// used.
// LL_I2L(resInt64, resSize);
LL_I2L(dataInt64, dataSize);
LL_ADD((*aFileSize), dataInt64, resInt64);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetDiskSpaceAvailable(PRInt64 *aDiskSpaceAvailable)
{
NS_ENSURE_ARG(aDiskSpaceAvailable);
PRInt64 space64Bits;
LL_I2L(space64Bits , LONG_MAX);
XVolumeParam pb;
pb.ioCompletion = nsnull;
pb.ioVolIndex = 0;
pb.ioNamePtr = nsnull;
pb.ioVRefNum = mResolvedSpec.vRefNum;
// we should check if this call is available
OSErr err = ::PBXGetVolInfoSync(&pb);
if (err == noErr)
{
const UnsignedWide& freeBytes = UInt64ToUnsignedWide(pb.ioVFreeBytes);
space64Bits.lo = freeBytes.lo;
space64Bits.hi = freeBytes.hi;
}
*aDiskSpaceAvailable = space64Bits;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetParent(nsIFile * *aParent)
{
NS_ENSURE_ARG_POINTER(aParent);
nsresult rv = NS_OK;
switch (mInitType)
{
case eInitWithPath:
{ // The simple case when we have a full path to something
nsCString parentPath = mWorkingPath;
PRInt32 offset = parentPath.RFindChar(':');
if (offset == -1)
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
parentPath.Truncate(offset);
nsCOMPtr<nsILocalFile> localFile;
rv = NS_NewLocalFile(parentPath.GetBuffer(), getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv) && localFile)
{
rv = localFile->QueryInterface(NS_GET_IID(nsIFile), (void**)aParent);
}
break;
}
case eInitWithFSSpec:
{
rv = ResolveAndStat(PR_TRUE);
//if the file does not exist, does not mean that the parent does not.
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND)
return rv;
FSSpec parentFolderSpec;
CInfoPBRec pBlock = {0};
parentFolderSpec.name[0] = 0;
pBlock.dirInfo.ioVRefNum = mResolvedSpec.vRefNum;
pBlock.dirInfo.ioDrDirID = mResolvedSpec.parID;
pBlock.dirInfo.ioNamePtr = (StringPtr)parentFolderSpec.name;
pBlock.dirInfo.ioFDirIndex = -1; //get info on parID
OSErr err = PBGetCatInfoSync(&pBlock);
if (err != noErr) return MacErrorMapper(err);
parentFolderSpec.vRefNum = mResolvedSpec.vRefNum;
parentFolderSpec.parID = pBlock.dirInfo.ioDrParID;
nsCOMPtr<nsILocalFile> file;
rv = NS_NewLocalFile("dummy:path", getter_AddRefs(file));
if (NS_FAILED(rv))
return rv;
// Init with the FSSpec for the current dir
nsCOMPtr<nsILocalFileMac> localFileMac = do_QueryInterface(file, &rv);
if (localFileMac) {
localFileMac->InitWithFSSpec(&parentFolderSpec);
rv = localFileMac->QueryInterface(NS_GET_IID(nsIFile), (void**)aParent);
}
break;
}
default:
// !!!!! Danger Will Robinson !!!!!
// we really shouldn't get here
NS_NOTREACHED("Unknown nsLocalFileMac init type");
rv = NS_ERROR_FAILURE;
break;
}
return rv;
}
NS_IMETHODIMP
nsLocalFile::Exists(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE; // Assume failure
nsresult rv = ResolveAndStat(PR_TRUE);
if ( rv == NS_ERROR_FILE_NOT_FOUND )
return NS_OK;
// XXX maybe Exists() should check the mResolvedSpec?
FSSpec temp;
if (::FSMakeFSSpec(mTargetSpec.vRefNum, mTargetSpec.parID, mTargetSpec.name, &temp) == noErr)
*_retval = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsWritable(PRBool *outIsWritable)
{
NS_ENSURE_ARG(outIsWritable);
*outIsWritable = PR_TRUE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv)) return rv;
CInfoPBRec fileInfo;
OSErr err = GetTargetSpecCatInfo(fileInfo);
if (err != noErr)
return MacErrorMapper(err);
// bit 0 in ioFlAttrib is the lock bit (apparently)
*outIsWritable = !(fileInfo.hFileInfo.ioFlAttrib & 0x01);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsReadable(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
// is it ever not readable on Mac?
*_retval = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsExecutable(PRBool *outIsExecutable)
{
NS_ENSURE_ARG(outIsExecutable);
*outIsExecutable = PR_FALSE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv)) return rv;
OSType fileType, fileCreator;
rv = GetFileTypeAndCreator(&fileType, &fileCreator);
if (NS_FAILED(rv)) return rv;
*outIsExecutable = (fileType == 'APPL' || fileType == 'appe' || fileType == 'FNDR');
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsDirectory(PRBool *outIsDir)
{
NS_ENSURE_ARG(outIsDir);
*outIsDir = PR_FALSE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv)) return rv;
CInfoPBRec fileInfo;
OSErr err = GetTargetSpecCatInfo(fileInfo);
if (err != noErr)
return MacErrorMapper(err);
*outIsDir = (fileInfo.hFileInfo.ioFlAttrib & ioDirMask) != 0;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsFile(PRBool *outIsFile)
{
NS_ENSURE_ARG(outIsFile);
*outIsFile = PR_FALSE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv))
return rv;
CInfoPBRec fileInfo;
OSErr err = GetTargetSpecCatInfo(fileInfo);
if (err != noErr)
return MacErrorMapper(err);
*outIsFile = (fileInfo.hFileInfo.ioFlAttrib & ioDirMask) == 0;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsHidden(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv)) return rv;
return TestFinderFlag(kIsInvisible, _retval);
}
NS_IMETHODIMP
nsLocalFile::IsSymlink(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv)) return rv;
return TestFinderFlag(kIsAlias, _retval, PR_FALSE);
}
NS_IMETHODIMP
nsLocalFile::Equals(nsIFile *inFile, PRBool *_retval)
{
NS_ENSURE_ARG(inFile);
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
char* inFilePath;
inFile->GetPath(&inFilePath);
char* filePath;
GetPath(&filePath);
if (strcmp(inFilePath, filePath) == 0)
*_retval = PR_TRUE;
nsAllocator::Free(inFilePath);
nsAllocator::Free(filePath);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::Contains(nsIFile *inFile, PRBool recur, PRBool *outContains)
{
/* Note here that we make no attempt to deal with the problem
of folder aliases. Doing a 'Contains' test and dealing with
folder aliases is Hard. Think about it.
*/
*outContains = PR_FALSE;
PRBool isDir;
nsresult rv = IsDirectory(&isDir); // need to cache this
if (NS_FAILED(rv)) return rv;
if (!isDir) return NS_OK; // must be a dir to contain someone
nsCOMPtr<nsILocalFileMac> macFile(do_QueryInterface(inFile));
if (!macFile) return NS_OK; // trying to compare non-local with local file
FSSpec mySpec = mResolvedSpec;
FSSpec compareSpec;
rv = macFile->GetResolvedFSSpec(&compareSpec);
if (NS_FAILED(rv)) return rv;
// if they are on different volumes, bail
if (mResolvedSpec.vRefNum != compareSpec.vRefNum)
return NS_OK;
// if recur == true, test every parent, otherwise just test the first one
// (yes, recur does not get set in this loop)
OSErr err = noErr;
do
{
FSSpec parentFolderSpec;
err = GetParentFolderSpec(compareSpec, parentFolderSpec);
if (err != noErr) break; // we reached the top
if (IsEqualFSSpec(parentFolderSpec, mySpec))
{
*outContains = PR_TRUE;
break;
}
compareSpec = parentFolderSpec;
} while (recur);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetTarget(char **_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = nsnull;
PRBool symLink;
nsresult rv = IsSymlink(&symLink);
if (NS_FAILED(rv))
return rv;
if (!symLink)
{
return NS_ERROR_FILE_INVALID_PATH;
}
*_retval = (char*) nsAllocator::Clone( mResolvedPath, strlen(mResolvedPath)+1 );
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetDirectoryEntries(nsISimpleEnumerator * *entries)
{
nsresult rv;
*entries = nsnull;
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;
}
*entries = dirEnum;
return NS_OK;
}
#pragma mark -
// a stack-based, exception safe class for an AEDesc
#pragma mark
class StAEDesc: public AEDesc
{
public:
StAEDesc()
{
descriptorType = typeNull;
dataHandle = nil;
}
~StAEDesc()
{
::AEDisposeDesc(this);
}
void Clear()
{
::AEDisposeDesc(this);
descriptorType = typeNull;
dataHandle = nil;
}
private:
// disallow copies and assigns
StAEDesc(const StAEDesc& rhs); // copy constructor
StAEDesc& operator= (const StAEDesc&rhs); // throws OSErrs
};
#pragma mark -
#pragma mark [Utility methods]
OSErr nsLocalFile::GetTargetSpecCatInfo(CInfoPBRec& outInfo)
{
OSErr err = noErr;
if (!mHaveFileInfo)
{
mTargetFileInfoRec.hFileInfo.ioCompletion = nsnull;
mTargetFileInfoRec.hFileInfo.ioFDirIndex = 0; // use dirID and name
mTargetFileInfoRec.hFileInfo.ioVRefNum = mTargetSpec.vRefNum;
mTargetFileInfoRec.hFileInfo.ioDirID = mTargetSpec.parID;
mTargetFileInfoRec.hFileInfo.ioNamePtr = mTargetSpec.name;
err = PBGetCatInfoSync(&mTargetFileInfoRec);
mHaveFileInfo = (err == noErr);
}
outInfo = mTargetFileInfoRec;
return err;
}
nsresult nsLocalFile::TestFinderFlag(PRUint16 flagMask, PRBool *outFlagSet, PRBool testTargetSpec /* = PR_TRUE */)
{
CInfoPBRec fileInfo;
// we assume here that ResolveAndStat has already been called
*outFlagSet = PR_FALSE;
OSErr err = noErr;
if (testTargetSpec)
{
err = GetTargetSpecCatInfo(fileInfo);
}
else
{
// we don't cache this CInfoPBRec, so do it manually
fileInfo.hFileInfo.ioCompletion = nsnull;
fileInfo.hFileInfo.ioFDirIndex = 0; // use dirID and name
fileInfo.hFileInfo.ioVRefNum = mResolvedSpec.vRefNum;
fileInfo.hFileInfo.ioDirID = mResolvedSpec.parID;
fileInfo.hFileInfo.ioNamePtr = mResolvedSpec.name;
err = PBGetCatInfoSync(&fileInfo);
}
if (err != noErr)
return MacErrorMapper(err);
*outFlagSet = (fileInfo.hFileInfo.ioFlFndrInfo.fdFlags & flagMask) != 0;
return NS_OK;
}
nsresult nsLocalFile::FindRunningAppBySignature (OSType aAppSig, FSSpec& outSpec, ProcessSerialNumber& outPsn)
{
ProcessInfoRec info;
FSSpec tempFSSpec;
OSErr err = noErr;
outPsn.highLongOfPSN = 0;
outPsn.lowLongOfPSN = kNoProcess;
while (PR_TRUE)
{
err = ::GetNextProcess(&outPsn);
if (err == procNotFound) break;
if (err != noErr) return NS_ERROR_FAILURE;
info.processInfoLength = sizeof(ProcessInfoRec);
info.processName = nil;
info.processAppSpec = &tempFSSpec;
err = ::GetProcessInformation(&outPsn, &info);
if (err != noErr) return NS_ERROR_FAILURE;
if (info.processSignature == aAppSig)
{
outSpec = tempFSSpec;
return NS_OK;
}
}
return NS_ERROR_FILE_NOT_FOUND; // really process not found
}
nsresult nsLocalFile::FindRunningAppByFSSpec(const FSSpec& appSpec, ProcessSerialNumber& outPsn)
{
ProcessInfoRec info;
FSSpec tempFSSpec;
OSErr err = noErr;
outPsn.highLongOfPSN = 0;
outPsn.lowLongOfPSN = kNoProcess;
while (PR_TRUE)
{
err = ::GetNextProcess(&outPsn);
if (err == procNotFound) break;
if (err != noErr) return NS_ERROR_FAILURE;
info.processInfoLength = sizeof(ProcessInfoRec);
info.processName = nil;
info.processAppSpec = &tempFSSpec;
err = ::GetProcessInformation(&outPsn, &info);
if (err != noErr) return NS_ERROR_FAILURE;
if (IsEqualFSSpec(appSpec, *info.processAppSpec))
{
return NS_OK;
}
}
return NS_ERROR_FILE_NOT_FOUND; // really process not found
}
nsresult nsLocalFile::FindAppOnLocalVolumes(OSType sig, FSSpec &outSpec)
{
OSErr err;
// get the system volume
long systemFolderDirID;
short sysVRefNum;
err = FindFolder(kOnSystemDisk, kSystemFolderType, false, &sysVRefNum, &systemFolderDirID);
if (err != noErr) return NS_ERROR_FAILURE;
short vRefNum = sysVRefNum;
short index = 0;
while (true)
{
if (index == 0 || vRefNum != sysVRefNum)
{
// should we avoid AppleShare volumes?
Boolean hasDesktopDB;
err = VolHasDesktopDB(vRefNum, &hasDesktopDB);
if (err != noErr) return err;
if (hasDesktopDB)
{
err = FindAppOnVolume(sig, vRefNum, &outSpec);
if (err != afpItemNotFound) return err;
}
}
index++;
err = GetIndVolume(index, &vRefNum);
if (err == nsvErr) return fnfErr;
if (err != noErr) return err;
}
return NS_OK;
}
nsresult nsLocalFile::MyLaunchAppWithDoc(const FSSpec& appSpec, const FSSpec* aDocToLoad, PRBool aLaunchInBackground)
{
ProcessSerialNumber thePSN = {0};
StAEDesc target;
StAEDesc docDesc;
StAEDesc launchDesc;
StAEDesc docList;
AppleEvent theEvent = {0, nil};
AppleEvent theReply = {0, nil};
OSErr err = noErr;
Boolean autoParamValue = false;
Boolean running = false;
nsresult rv = NS_OK;
rv = FindRunningAppByFSSpec(appSpec, thePSN);
running = NS_SUCCEEDED(rv);
err = AECreateDesc(typeProcessSerialNumber, &thePSN, sizeof(thePSN), &target);
if (err != noErr) return NS_ERROR_FAILURE;
err = AECreateAppleEvent(kCoreEventClass, aDocToLoad ? kAEOpenDocuments : kAEOpenApplication, &target,
kAutoGenerateReturnID, kAnyTransactionID, &theEvent);
if (err != noErr) return NS_ERROR_FAILURE;
if (aDocToLoad)
{
FSSpec docSpec;
err = AECreateList(nil, 0, false, &docList);
if (err != noErr) return NS_ERROR_FAILURE;
err = AECreateDesc(typeFSS, &docSpec, sizeof(FSSpec), &docDesc);
if (err != noErr) return NS_ERROR_FAILURE;
err = AEPutDesc(&docList, 0, &docDesc);
if (err != noErr) return NS_ERROR_FAILURE;
err = AEPutParamDesc(&theEvent, keyDirectObject, &docList);
if (err != noErr) return NS_ERROR_FAILURE;
}
if (running)
{
err = AESend(&theEvent, &theReply, kAENoReply, kAENormalPriority, kNoTimeOut, nil, nil);
if (err != noErr) return NS_ERROR_FAILURE;
if (!aLaunchInBackground)
{
err = ::SetFrontProcess(&thePSN);
if (err != noErr) return NS_ERROR_FAILURE;
}
}
else
{
LaunchParamBlockRec launchThis = {0};
PRUint16 launchControlFlags = (launchContinue | launchNoFileFlags);
if (aLaunchInBackground)
launchControlFlags |= launchDontSwitch;
err = AECoerceDesc(&theEvent, typeAppParameters, &launchDesc);
if (err != noErr) return NS_ERROR_FAILURE;
::HLock(theEvent.dataHandle);
launchThis.launchAppSpec = (FSSpecPtr)&appSpec;
launchThis.launchAppParameters = (AppParametersPtr)*launchDesc.dataHandle;
launchThis.launchBlockID = extendedBlock;
launchThis.launchEPBLength = extendedBlockLen;
launchThis.launchFileFlags = 0;
launchThis.launchControlFlags = launchControlFlags;
err = ::LaunchApplication(&launchThis);
if (err != noErr) return NS_ERROR_FAILURE;
// let's be nice and wait until it's running
const PRUint32 kMaxTimeToWait = 60; // wait 1 sec max
PRUint32 endTicks = ::TickCount() + kMaxTimeToWait;
PRBool foundApp = PR_FALSE;
do
{
EventRecord theEvent;
(void)WaitNextEvent(nullEvent, &theEvent, 1, NULL);
ProcessSerialNumber psn;
foundApp = NS_SUCCEEDED(FindRunningAppByFSSpec(appSpec, psn));
} while (!foundApp && (::TickCount() <= endTicks));
NS_ASSERTION(foundApp, "Failed to find app after launching it");
}
if (theEvent.dataHandle != nil) AEDisposeDesc(&theEvent);
if (theReply.dataHandle != nil) AEDisposeDesc(&theReply);
return NS_OK;
}
#pragma mark -
#pragma mark [Methods that won't be implemented on Mac]
NS_IMETHODIMP
nsLocalFile::Normalize()
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsLocalFile::GetPermissions(PRUint32 *aPermissions)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsLocalFile::GetPermissionsOfLink(PRUint32 *aPermissionsOfLink)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsLocalFile::SetPermissions(PRUint32 aPermissions)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsLocalFile::SetPermissionsOfLink(PRUint32 aPermissions)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsLocalFile::IsSpecial(PRBool *_retval)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
#pragma mark -
#pragma mark [nsILocalFileMac]
// Implementation of Mac specific finctions from nsILocalFileMac
NS_IMETHODIMP nsLocalFile::GetInitType(nsLocalFileMacInitType *type)
{
NS_ENSURE_ARG(type);
*type = mInitType;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::InitWithFSSpec(const FSSpec *fileSpec)
{
MakeDirty();
mSpec = *fileSpec;
mInitType = eInitWithFSSpec;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::InitFindingAppByCreatorCode(OSType aAppCreator)
{
// is the app running?
FSSpec appSpec;
ProcessSerialNumber psn;
nsresult rv = FindRunningAppBySignature(aAppCreator, appSpec, psn);
if (rv == NS_ERROR_FILE_NOT_FOUND)
{
// we have to look on disk
rv = FindAppOnLocalVolumes(aAppCreator, appSpec);
if (NS_FAILED(rv)) return rv;
}
else if (NS_FAILED(rv))
return rv;
// init with the spec here
return InitWithFSSpec(&appSpec);
}
NS_IMETHODIMP nsLocalFile::GetFSSpec(FSSpec *fileSpec)
{
NS_ENSURE_ARG(fileSpec);
*fileSpec = mSpec;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::GetResolvedFSSpec(FSSpec *fileSpec)
{
NS_ENSURE_ARG(fileSpec);
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv)) return rv;
*fileSpec = mResolvedSpec;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::GetTargetFSSpec(FSSpec *fileSpec)
{
NS_ENSURE_ARG(fileSpec);
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv)) return rv;
*fileSpec = mTargetSpec;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetAppendedPath(const char *aPath)
{
MakeDirty();
mAppendedPath.Assign(aPath);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::GetAppendedPath(char **_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = (char*) nsAllocator::Clone(mAppendedPath, strlen(mAppendedPath)+1);
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::GetFileTypeAndCreator(OSType *type, OSType *creator)
{
NS_ENSURE_ARG(type);
NS_ENSURE_ARG(creator);
ResolveAndStat(PR_TRUE);
FInfo info;
OSErr err = ::FSpGetFInfo(&mTargetSpec, &info);
if (err != noErr)
return NS_ERROR_FILE_NOT_FOUND;
*type = info.fdType;
*creator = info.fdCreator;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetFileTypeAndCreator(OSType type, OSType creator)
{
FInfo info;
OSErr err = ::FSpGetFInfo(&mTargetSpec, &info);
if (err != noErr)
return NS_ERROR_FILE_NOT_FOUND;
// See if the user specified a type or creator before changing from what was read
if (type)
info.fdType = type;
if (creator)
info.fdCreator = creator;
err = ::FSpSetFInfo(&mTargetSpec, &info);
if (err != noErr)
return NS_ERROR_FILE_ACCESS_DENIED;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetFileSizeWithResFork(PRInt64 *aFileSize)
{
NS_ENSURE_ARG(aFileSize);
aFileSize->hi = 0;
aFileSize->lo = 0;
ResolveAndStat(PR_TRUE);
long dataSize = 0;
long resSize = 0;
OSErr err = FSpGetFileSize(&mTargetSpec, &dataSize, &resSize);
if (err != noErr)
return MacErrorMapper(err);
// For now we've only got 32 bits of file size info
PRInt64 dataInt64 = LL_Zero();
PRInt64 resInt64 = LL_Zero();
// Combine the size of the resource and data forks
LL_I2L(resInt64, resSize);
LL_I2L(dataInt64, dataSize);
LL_ADD((*aFileSize), dataInt64, resInt64);
return NS_OK;
}
// this nsLocalFile points to the app. We want to launch it, optionally with the document.
NS_IMETHODIMP
nsLocalFile::LaunchAppWithDoc(nsILocalFile* aDocToLoad, PRBool aLaunchInBackground)
{
// are we launchable?
PRBool isExecutable;
nsresult rv = IsExecutable(&isExecutable);
if (NS_FAILED(rv)) return rv;
if (!isExecutable) return NS_ERROR_FILE_EXECUTION_FAILED;
FSSpec docSpec;
FSSpecPtr docSpecPtr = nsnull;
nsCOMPtr<nsILocalFileMac> macDoc = do_QueryInterface(aDocToLoad);
if (macDoc)
{
rv = macDoc->GetTargetFSSpec(&docSpec);
if (NS_FAILED(rv)) return rv;
docSpecPtr = &docSpec;
}
FSSpec appSpec;
rv = GetResolvedFSSpec(&appSpec);
if (NS_FAILED(rv)) return rv;
rv = MyLaunchAppWithDoc(appSpec, docSpecPtr, aLaunchInBackground);
return rv;
}
NS_IMETHODIMP
nsLocalFile::OpenDocWithApp(nsILocalFile* aAppToOpenWith, PRBool aLaunchInBackground)
{
// if aAppToOpenWith is nil, we have to find the app from the creator code
// of the document
nsresult rv = NS_OK;
FSSpec appSpec;
if (aAppToOpenWith)
{
nsCOMPtr<nsILocalFileMac> appFileMac = do_QueryInterface(aAppToOpenWith, &rv);
if (!appFileMac) return rv;
rv = appFileMac->GetTargetFSSpec(&appSpec);
if (NS_FAILED(rv)) return rv;
// is it launchable?
PRBool isExecutable;
rv = aAppToOpenWith->IsExecutable(&isExecutable);
if (NS_FAILED(rv)) return rv;
if (!isExecutable) return NS_ERROR_FILE_EXECUTION_FAILED;
}
else
{
// look for one
OSType fileType, fileCreator;
rv = GetFileTypeAndCreator(&fileType, &fileCreator);
if (NS_FAILED(rv)) return rv;
// just make one on the stack
nsLocalFile localAppFile;
rv = localAppFile.InitFindingAppByCreatorCode(fileCreator);
if (NS_FAILED(rv)) return rv;
rv = localAppFile.GetTargetFSSpec(&appSpec);
if (NS_FAILED(rv)) return rv;
}
FSSpec docSpec;
rv = GetResolvedFSSpec(&docSpec);
if (NS_FAILED(rv)) return rv;
rv = MyLaunchAppWithDoc(appSpec, &docSpec, aLaunchInBackground);
return rv;
}
#pragma mark -
// Handy dandy utility create routine for something or the other
nsresult
NS_NewLocalFile(const char* path, nsILocalFile* *result)
{
nsLocalFile* file = new nsLocalFile();
if (file == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(file);
nsresult rv = file->InitWithPath(path);
if (NS_FAILED(rv)) {
NS_RELEASE(file);
return rv;
}
*result = file;
return NS_OK;
}
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