Fixing nsLocalFileMac so that Contains() works with file aliases, and is much faster. Also fix an issue with cacheing data, so that cacheing actually works. r=pinkerton.

git-svn-id: svn://10.0.0.236/trunk@63926 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
sfraser%netscape.com
2000-03-23 23:33:23 +00:00
parent cdc2f70ba3
commit ebc52d7f5d

View File

@@ -51,7 +51,6 @@
#include <Aliases.h>
#include <Folders.h>
// Stupid @#$% header looks like its got extern mojo but it doesn't really
extern "C"
{
@@ -120,12 +119,40 @@ static nsresult MacErrorMapper(OSErr inErr)
Exit: function result = true if the FSSpec records are equal.
----------------------------------------------------------------------------*/
static PRBool IsEqualFSSpec (const FSSpec *file1, const FSSpec *file2)
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);
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;
}
@@ -819,7 +846,7 @@ nsLocalFile::ResolveAndStat(PRBool resolveTerminal)
if (err == noErr)
{
mStatDirty = PR_TRUE;
mStatDirty = PR_FALSE;
}
return (MacErrorMapper(err));
@@ -1142,16 +1169,13 @@ nsLocalFile::GetLeafName(char * *aLeafName)
else
{
// We don't have an appended path so grab the leaf name from the FSSpec
// Convert the Pascal string to a C string
unsigned long len = mSpec.name[0];
char * tempStr = (char *)PR_MALLOC(len + 1);
if (tempStr)
{
::BlockMoveData(&mSpec.name[1], tempStr, len);
tempStr[len] = '\0';
*aLeafName = (char*) nsAllocator::Clone(tempStr, len + 1);
PR_DELETE(tempStr);
}
// 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;
@@ -1340,20 +1364,20 @@ nsLocalFile::Delete(PRBool recursive)
rv = dirEnum->Init(this);
nsCOMPtr<nsISimpleEnumerator> iterator = do_QueryInterface(dirEnum);
nsCOMPtr<nsISimpleEnumerator> dirIterator = do_QueryInterface(dirEnum);
PRBool more;
iterator->HasMoreElements(&more);
dirIterator->HasMoreElements(&more);
while (more)
{
nsCOMPtr<nsISupports> item;
nsCOMPtr<nsIFile> file;
iterator->GetNext(getter_AddRefs(item));
dirIterator->GetNext(getter_AddRefs(item));
file = do_QueryInterface(item);
file->Delete(recursive);
iterator->HasMoreElements(&more);
dirIterator->HasMoreElements(&more);
}
}
//rmdir(filePath); // todo: save return value?
@@ -1691,38 +1715,40 @@ nsLocalFile::IsExecutable(PRBool *outIsExecutable)
NS_IMETHODIMP
nsLocalFile::IsDirectory(PRBool *_retval)
nsLocalFile::IsDirectory(PRBool *outIsDir)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
NS_ENSURE_ARG(outIsDir);
*outIsDir = PR_FALSE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv)) return rv;
long dirID;
Boolean isDirectory;
if ((::FSpGetDirectoryID(&mTargetSpec, &dirID, &isDirectory) == noErr) && isDirectory)
*_retval = PR_TRUE;
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 *_retval)
nsLocalFile::IsFile(PRBool *outIsFile)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
NS_ENSURE_ARG(outIsFile);
*outIsFile = PR_FALSE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv))
return rv;
long dirID;
Boolean isDirectory;
if ((::FSpGetDirectoryID(&mTargetSpec, &dirID, &isDirectory) == noErr) && !isDirectory)
*_retval = PR_TRUE;
CInfoPBRec fileInfo;
OSErr err = GetTargetSpecCatInfo(fileInfo);
if (err != noErr)
return MacErrorMapper(err);
*outIsFile = (fileInfo.hFileInfo.ioFlAttrib & ioDirMask) == 0;
return NS_OK;
}
@@ -1773,28 +1799,50 @@ nsLocalFile::Equals(nsIFile *inFile, PRBool *_retval)
}
NS_IMETHODIMP
nsLocalFile::Contains(nsIFile *inFile, PRBool recur, PRBool *_retval)
nsLocalFile::Contains(nsIFile *inFile, PRBool recur, PRBool *outContains)
{
*_retval = PR_FALSE;
char* myFilePath;
if ( NS_FAILED(GetTarget(&myFilePath)))
GetPath(&myFilePath);
PRInt32 myFilePathLen = strlen(myFilePath);
char* inFilePath;
if ( NS_FAILED(inFile->GetTarget(&inFilePath)))
inFile->GetPath(&inFilePath);
/* 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;
if ( strncmp( myFilePath, inFilePath, myFilePathLen) == 0)
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
{
*_retval = PR_TRUE;
}
nsAllocator::Free(inFilePath);
nsAllocator::Free(myFilePath);
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;
}
@@ -1933,7 +1981,7 @@ nsresult nsLocalFile::TestFinderFlag(PRUint16 flagMask, PRBool *outFlagSet, PRBo
fileInfo.hFileInfo.ioDirID = mResolvedSpec.parID;
fileInfo.hFileInfo.ioNamePtr = mResolvedSpec.name;
err = PBGetCatInfoSync(&fileInfo);
err = PBGetCatInfoSync(&fileInfo);
}
if (err != noErr)
@@ -1995,7 +2043,7 @@ nsresult nsLocalFile::FindRunningAppByFSSpec(const FSSpec& appSpec, ProcessSeria
err = ::GetProcessInformation(&outPsn, &info);
if (err != noErr) return NS_ERROR_FAILURE;
if (IsEqualFSSpec(&appSpec, info.processAppSpec))
if (IsEqualFSSpec(appSpec, *info.processAppSpec))
{
return NS_OK;
}