gecko-dev/xpcom/io/nsLocalFileMac.cpp

1617 строки
34 KiB
C++
Исходник Ответственный История

/* -*- 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 <Errors.h>
#include <Script.h>
#include <Processes.h>
#include <Aliases.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]
// 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;
}
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()
{
NS_INIT_REFCNT();
MakeDirty();
mLastResolveFlag = PR_FALSE;
mWorkingPath.Assign("");
mAppendedPath.Assign("");
mInitType = eNotInitialized;
mSpec.vRefNum = 0;
mSpec.parID = 0;
mSpec.name[0] = 0;
}
nsLocalFile::~nsLocalFile()
{
}
#pragma mark -
#pragma mark [nsISupports interface implementation]
NS_IMPL_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;
mResolvedSpec.vRefNum = 0;
mResolvedSpec.parID = 0;
mResolvedSpec.name[0] = 0;
}
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
break;
}
if (resolveTerminal && err == noErr)
{
// Resolve the alias to the original file.
FSSpec spec = mResolvedSpec;
Boolean targetIsFolder;
Boolean wasAliased;
err = ::ResolveAliasFile(&spec, TRUE, &targetIsFolder, &wasAliased);
if (err != noErr)
return MacErrorMapper(err);
else
mResolvedSpec = spec;
}
if (err == noErr)
{
mStatDirty = PR_TRUE;
}
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.SetString(filePath);
// See if the last character is a : and kill it if so as Append adds :s itself
PRInt32 offset = mWorkingPath.Length() - 1;
if (filePath[offset] == ':')
{
mWorkingPath.Truncate(offset);
}
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);
ResolveAndStat(PR_TRUE);
OSErr err = noErr;
// Resolve the alias to the original file.
FSSpec spec = mResolvedSpec;
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 = mResolvedSpec;
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
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:
mWorkingPath.Append(":");
mWorkingPath.Append(node);
break;
case eInitWithFSSpec:
mAppendedPath.Append(":");
mAppendedPath.Append(node);
break;
default:
// !!!!! Danger Will Robinson !!!!!
// we really shouldn't get here
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
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);
}
}
break;
default:
// !!!!! Danger Will Robinson !!!!!
// we really shouldn't get here
break;
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetLeafName(const char * aLeafName)
{
NS_ENSURE_ARG_POINTER(aLeafName);
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);
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
break;
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::CopyTo(nsIFile *newParentDir, const char *newName)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsLocalFile::CopyToFollowingLinks(nsIFile *newParentDir, const char *newName)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsLocalFile::MoveTo(nsIFile *newParentDir, const char *newName)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsLocalFile::Spawn(const char *args)
{
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 = &mResolvedSpec;
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();
if (isDir)
{
if (recursive)
{
nsDirEnumerator* dirEnum = new nsDirEnumerator();
if (dirEnum)
return NS_ERROR_OUT_OF_MEMORY;
rv = dirEnum->Init(this);
nsCOMPtr<nsISimpleEnumerator> iterator = do_QueryInterface(dirEnum);
PRBool more;
iterator->HasMoreElements(&more);
while (more)
{
nsCOMPtr<nsISupports> item;
nsCOMPtr<nsIFile> file;
iterator->GetNext(getter_AddRefs(item));
file = do_QueryInterface(item);
file->Delete(recursive);
iterator->HasMoreElements(&more);
}
}
//rmdir(filePath); // todo: save return value?
}
else
{
//remove(filePath); // todo: save return value?
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetLastModificationDate(PRInt64 *aLastModificationDate)
{
NS_ENSURE_ARG(aLastModificationDate);
aLastModificationDate->hi = 0;
aLastModificationDate->lo = 0;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetLastModificationDate(PRInt64 aLastModificationDate)
{
MakeDirty();
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetLastModificationDateOfLink(PRInt64 *aLastModificationDate)
{
NS_ENSURE_ARG(aLastModificationDate);
aLastModificationDate->hi = 0;
aLastModificationDate->lo = 0;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetLastModificationDateOfLink(PRInt64 aLastModificationDate)
{
MakeDirty();
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetFileSize(PRInt64 *aFileSize)
{
NS_ENSURE_ARG(aFileSize);
aFileSize->hi = 0;
aFileSize->lo = 0;
ResolveAndStat(PR_TRUE);
long dataSize, resSize;
OSErr err = FSpGetFileSize(&mResolvedSpec, &dataSize, &resSize);
if (err != noErr)
return MacErrorMapper(err);
// For now we've only got 32 bits of file size info
PRInt64 resInt64, dataInt64;
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(&mResolvedSpec, 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)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
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;
OSErr err = ::PBXGetVolInfoSync(&pb);
if (err == noErr)
{
space64Bits.lo = pb.ioVFreeBytes.lo;
space64Bits.hi = pb.ioVFreeBytes.hi;
}
*aDiskSpaceAvailable = space64Bits;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetParent(nsIFile * *aParent)
{
NS_ENSURE_ARG_POINTER(aParent);
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;
nsresult rv = NS_NewLocalFile(parentPath.GetBuffer(), getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv) && localFile)
{
return localFile->QueryInterface(NS_GET_IID(nsIFile), (void**)aParent);
}
return rv;
break;
}
case eInitWithFSSpec:
{
break;
}
default:
// !!!!! Danger Will Robinson !!!!!
// we really shouldn't get here
break;
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::Exists(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE; // Assume failure
(void)ResolveAndStat(PR_TRUE);
FSSpec temp;
if (::FSMakeFSSpec(mResolvedSpec.vRefNum, mResolvedSpec.parID, mResolvedSpec.name, &temp) == noErr)
*_retval = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsWritable(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsReadable(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
*_retval = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsExecutable(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsDirectory(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv))
return rv;
long dirID;
Boolean isDirectory;
if ((::FSpGetDirectoryID(&mResolvedSpec, &dirID, &isDirectory) == noErr) && isDirectory)
*_retval = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsFile(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv))
return rv;
long dirID;
Boolean isDirectory;
if ((::FSpGetDirectoryID(&mResolvedSpec, &dirID, &isDirectory) == noErr) && !isDirectory)
*_retval = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsHidden(PRBool *_retval)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsLocalFile::IsSymlink(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
return NS_OK;
}
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 *_retval)
{
*_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);
if ( strncmp( myFilePath, inFilePath, myFilePathLen) == 0)
{
*_retval = PR_TRUE;
}
nsAllocator::Free(inFilePath);
nsAllocator::Free(myFilePath);
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 -
#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::GetFSSpec(FSSpec *fileSpec)
{
NS_ENSURE_ARG(fileSpec);
*fileSpec = mSpec;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::GetResolvedFSSpec(FSSpec *fileSpec)
{
NS_ENSURE_ARG(fileSpec);
*fileSpec = mResolvedSpec;
return NS_OK;
}
NS_IMETHODIMP nsLocalFile::SetAppendedPath(const char *aPath)
{
MakeDirty();
mAppendedPath.SetString(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(&mResolvedSpec, &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(&mResolvedSpec, &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(&mResolvedSpec, &info);
if (err != noErr)
return NS_ERROR_FILE_ACCESS_DENIED;
return NS_OK;
}
// 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;
}