CWE-ou-minkata/Sources/Plasma/PubUtilLib/plFile/hsFiles_Mac.cpp

/*==LICENSE==*

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*==LICENSE==*/
#include "hsFiles.h"
#include "hsUtils.h"
#include "hsMemory.h"

#if HS_BUILD_FOR_MAC

#include <Files.h>
#include <Folders.h>
#include <Errors.h>

///////////////////////////////////////////////////////////////////////////

hsMacFile::hsMacFile() : fFlags(kRefNum_Dirty)
{
	fSpec.name[0] = 0;
}

hsMacFile::hsMacFile(const char pathAndName[]) : hsFile(pathAndName), fFlags(kRefNum_Dirty)
{
	this->SetSpecFromName();
}

hsMacFile::hsMacFile(const FSSpec* spec) : fFlags(kRefNum_Dirty)
{
	this->SetSpec(spec);
}

hsMacFile::~hsMacFile()
{
	this->Close();
}

void hsMacFile::SetSpec(const FSSpec* spec)
{
	if (spec)
		fSpec = *spec;
	else
		fSpec.name[0] = 0;
	fFlags |= kPathName_Dirty;
}

void hsMacFile::SetSpecFromName()
{
	Str255	pstr;

	if (fPathAndName == nil)
		fSpec.name[0] = 0;
	else
	{	hsC2PString(fPathAndName, pstr);
		::FSMakeFSSpec(0, 0, pstr,  &fSpec);
	}
}

void hsMacFile::SetNameFromSpec()
{
	CInfoPBRec 	pb;
	Str255		dirNameP;
	char			dirName[256], temp[256];
	int			err;
	
	hsP2CString(fSpec.name, temp);
	
	pb.dirInfo.ioNamePtr = dirNameP;
	pb.dirInfo.ioVRefNum = fSpec.vRefNum;
	pb.dirInfo.ioDrParID = fSpec.parID;
	pb.dirInfo.ioFDirIndex = -1;
	
	do {
		pb.dirInfo.ioDrDirID = pb.dirInfo.ioDrParID;
		err = PBGetCatInfoSync(&pb);
		hsThrowIfOSErr(err);

		hsP2CString(dirNameP, dirName);
		strcat(dirName,":");
		strcat(dirName, temp);
		strcpy(temp, dirName);	
	} while( pb.dirInfo.ioDrDirID != fsRtDirID);

	hsAssert(fPathAndName == nil, "pathname should be nil");
	fPathAndName = hsStrcpy(temp);
}

hsBool hsMacFile::Create(OSType creator, OSType fileType, ScriptCode scriptCode)
{
	this->Close();

	OSErr	err;

	(void)::FSpDelete(&fSpec);
	err = ::FSpCreate(&fSpec, creator, fileType, scriptCode);
	hsIfDebugMessage(err != 0, "FSpCreate failed", err);

	return err == 0;
}

#define kFileNotFound_Err		-43

hsBool hsMacFile::OpenDataFork(SInt8 perm, Int16* refnum)
{
	this->Close();

	OSErr	err;
	
	err = ::FSpOpenDF(&fSpec, perm, &fRefNum);
	if (err == kFileNotFound_Err && (perm & fsWrPerm) && (perm & fsRdPerm) == 0)
	{	if (this->Create('HdSp', '????'))
			err = ::FSpOpenDF(&fSpec, perm, &fRefNum);
	}

	if (err == 0)
	{	fFlags &= ~kRefNum_Dirty;
		if (refnum)
			*refnum = fRefNum;
		return true;
	}
	return false;
}

const char* hsMacFile::GetPathAndName()
{
	if (fFlags & kPathName_Dirty)
	{	this->SetNameFromSpec();
		fFlags &= ~kPathName_Dirty;
	}
	return fPathAndName;
}

void hsMacFile::SetPathAndName(const char pathAndName[])
{
	this->hsFile::SetPathAndName(pathAndName);
	this->SetSpecFromName();
}

hsStream* hsMacFile::OpenStream(const char mode[], hsBool throwIfFailure)
{
	hsThrowIfNilParam(mode);

	short	refnum;
	SInt8	perm = 0;
	
	if (::strchr(mode, 'r'))
		perm |= fsRdPerm;
	if (::strchr(mode, 'w'))
		perm |= fsWrPerm;
	
	if (this->OpenDataFork(perm, &refnum))
	{	hsFileStream*	stream = TRACKED_NEW hsFileStream;
		stream->SetFileRef(refnum);
		return stream;
	}
	
	hsThrowIfTrue(throwIfFailure);
	return nil;
}

void hsMacFile::Close()
{
	if (fFlags & kRefNum_Dirty)
	{	OSErr	err = ::FSClose(fRefNum);
		hsIfDebugMessage(err != 0, "FSClose failed", err);
		fFlags &= ~kRefNum_Dirty;
	}
	this->hsFile::Close();
}

///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////

struct hsFolderIterator_Data {
	FSSpec	fSpec;
	OSType	fFileType;
	OSType	fCreator;
	char	fCName[_MAX_PATH];
	Int16	fCurrIndex;
	hsBool	fValid;
};

hsFolderIterator::hsFolderIterator(const char path[])
{
	fData = TRACKED_NEW hsFolderIterator_Data;

	fData->fCurrIndex = 0;
	fData->fValid = false;
#if HS_BUILD_FOR_WIN32
	this->SetPath(path);
#else 
	this->SetMacFolder(path);
#endif
}

hsFolderIterator::hsFolderIterator(const struct FSSpec* spec)		// Alt Constructor - pass in FSSpec from OpenDlg()
{
	fData = TRACKED_NEW hsFolderIterator_Data;

	fData->fCurrIndex = 0;
	fData->fValid = false;
	
	SetMacFolder(spec->vRefNum,  spec->parID);
}

hsFolderIterator::~hsFolderIterator()
{
	delete fData;
}

void hsFolderIterator::SetPath(const char path[])
{
	fPath[0] = 0;
	fData->fValid = false;
	fData->fCurrIndex = 0;

	if (path)
	{	
		::strcpy(fPath, path);
	}
}

///////////////////////////////////////////////////////////////////////////

void hsFolderIterator::SetMacFolder(OSType folderType)
{
	fData->fCurrIndex = 0;
	fData->fValid = ::FindFolder(kOnSystemDisk, folderType, false,
						&fData->fSpec.vRefNum, &fData->fSpec.parID) == 0;
	this->Reset();
}

void hsFolderIterator::SetMacFolder(Int16 vRefNum, Int32 dirID)
{
	fData->fSpec.vRefNum	= vRefNum;
	fData->fSpec.parID		= dirID;
	fData->fCurrIndex = 0;
	fData->fValid = true;
	this->Reset();
}

void hsFolderIterator::SetMacFolder(const char path[])
{
	char tmp[255];
	FSSpec fileSpec; 
	OSErr err; 
	
	hsCPathToMacPath(&tmp[1], (char*)path); 
	tmp[0] = hsStrlen(&tmp[1]);
	SetPath((char*)&tmp[1]);
	
	err = FSMakeFSSpec(0, 0, (const unsigned char*)tmp, &fileSpec);
	if(err == fnfErr) 
	{
		HSDebugProc("XCmd directory does not exist.");
		return;
	}
	hsAssert(err == noErr, "Error making file spec.");
	
	// by now we should have the file spec for the given 
	// directory, however, the DirID is the PARENT directory, 
	// not the child directory. The following steps should 
	// give us the items we want.
	
	CInfoPBRec pb;
	pb.hFileInfo.ioVRefNum		= fileSpec.vRefNum;
	pb.hFileInfo.ioNamePtr		= (StringPtr)fileSpec.name; // The name of the child directory.
	pb.hFileInfo.ioDirID		= fileSpec.parID;			// The ID of the parent directory.
	pb.hFileInfo.ioFDirIndex	= 0;
	pb.hFileInfo.ioCompletion	= 0;
	
	err = ::PBGetCatInfoSync(&pb);
	hsAssert(err == noErr, "PBGetCatInfoSync() failure.");
	
	fData->fSpec.vRefNum	= fileSpec.vRefNum;				// Volume reference
	fData->fSpec.parID		= pb.dirInfo.ioDrDirID;			// child directory ID (Finally!)
	fData->fCurrIndex = 0;
	fData->fValid = true;
	
	this->Reset();
}

///////////////////////////////////////////////////////////////////////////

void hsFolderIterator::Reset()
{
	if (fData->fValid)
		fData->fCurrIndex = 1;
#ifdef HS_DEBUGGING
	else
		hsAssert(fData->fCurrIndex == 0, "bad currindex");
#endif
}

hsBool hsFolderIterator::NextFile()
{
	if (fData->fCurrIndex == 0)
		return false;

	CInfoPBRec	pb;

	do {
		pb.hFileInfo.ioVRefNum		= fData->fSpec.vRefNum;
		pb.hFileInfo.ioNamePtr		= (StringPtr)fData->fSpec.name;
		pb.hFileInfo.ioDirID		= fData->fSpec.parID;
		pb.hFileInfo.ioFDirIndex	= fData->fCurrIndex++;

		OSErr err = ::PBGetCatInfoSync(&pb);
		if (err)
		{	
			fData->fCurrIndex = 0;
			return false;
		}
	} while (pb.hFileInfo.ioFlAttrib & ioDirMask);

	fData->fFileType = pb.hFileInfo.ioFlFndrInfo.fdType;
	fData->fCreator	 = pb.hFileInfo.ioFlFndrInfo.fdCreator;
	return true;
}

const char* hsFolderIterator::GetFileName() const
{
	if (fData->fCurrIndex == 0)
		throw "end of folder";

	//	Copy our filename (in pascal format) into a cstring and then return
	HSMemory::BlockMove(&fData->fSpec.name[1], fData->fCName, fData->fSpec.name[0]);
	fData->fCName[fData->fSpec.name[0]] = 0;
	return fData->fCName;
}

////////////////////////////////////////////////////////////////////////////

hsBool hsFolderIterator::NextMacFile(OSType targetFileType, OSType targetCreator)
{
	for (;;)
	{	if (this->NextFile() == false)
			return false;
		if ((targetFileType == 0 || targetFileType == this->GetMacFileType()) &&
			(targetCreator == 0 || targetCreator == this->GetMacCreator()))
				return true;
	}		
}

const FSSpec* hsFolderIterator::GetMacSpec() const
{
	if (fData->fCurrIndex == 0)
		throw "end of folder";
	return &fData->fSpec;
}


OSType hsFolderIterator::GetMacFileType() const
{
	if (fData->fCurrIndex == 0)
		throw "end of folder";
	return fData->fFileType;
}

OSType hsFolderIterator::GetMacCreator() const
{
	if (fData->fCurrIndex == 0)
		throw "end of folder";
	return fData->fCreator;
}

hsBool	hsFolderIterator::IsDirectory( void ) const
{
	hsAssert( false, "hsFolderIterator::IsDirectory() not defined on this platform!!!" );
	return false;
}

#endif	// HS_BUILD_FOR_MAC