Remove unnecessary Src/ folders

1 files changed, 505 insertions, 0 deletions

diff --git a/Source/Core/DiscIO/VolumeDirectory.cpp b/Source/Core/DiscIO/VolumeDirectory.cpp
new file mode 100644
index 0000000000..f9f8f00ea8
--- /dev/null
+++ b/Source/Core/DiscIO/VolumeDirectory.cpp
@@ -0,0 +1,505 @@
+// Copyright 2013 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "CommonPaths.h"
+#include "FileBlob.h"
+#include "MathUtil.h"
+#include "VolumeDirectory.h"
+
+namespace DiscIO
+{
+
+CVolumeDirectory::CVolumeDirectory(const std::string& _rDirectory, bool _bIsWii,
+								   const std::string& _rApploader, const std::string& _rDOL)
+	: m_totalNameSize(0)
+	, m_dataStartAddress(-1)
+	, m_fstSize(0)
+	, m_FSTData(NULL)
+	, m_apploaderSize(0)
+	, m_apploader(NULL)
+	, m_DOLSize(0)
+	, m_DOL(NULL)
+	, FST_ADDRESS(0)
+	, DOL_ADDRESS(0)
+{
+	m_rootDirectory = ExtractDirectoryName(_rDirectory);
+
+	// create the default disk header
+	m_diskHeader = new u8[DISKHEADERINFO_ADDRESS];
+	memset(m_diskHeader, 0, (size_t)DISKHEADERINFO_ADDRESS);
+	SetUniqueID("AGBJ01");
+	SetName("Default name");
+
+	if(_bIsWii)
+	{
+		SetDiskTypeWii();
+	}
+	else
+	{
+		SetDiskTypeGC();
+	}
+
+	m_diskHeaderInfo = new SDiskHeaderInfo();
+
+	// Don't load the dol if we've no apploader...
+	if (SetApploader(_rApploader))
+		SetDOL(_rDOL);
+
+	BuildFST();
+}
+
+CVolumeDirectory::~CVolumeDirectory()
+{
+	delete[] m_FSTData;
+	m_FSTData = NULL;
+
+	delete[] m_diskHeader;
+	m_diskHeader = NULL;
+
+	delete m_diskHeaderInfo;
+	m_diskHeaderInfo = NULL;
+
+	delete[] m_DOL;
+	m_DOL = NULL;
+
+	delete[] m_apploader;
+	m_apploader = NULL;
+}
+
+bool CVolumeDirectory::IsValidDirectory(const std::string& _rDirectory)
+{
+	std::string directoryName = ExtractDirectoryName(_rDirectory);
+	return File::IsDirectory(directoryName);
+}
+
+bool CVolumeDirectory::RAWRead( u64 _Offset, u64 _Length, u8* _pBuffer ) const
+{
+	return false;
+}
+
+bool CVolumeDirectory::Read(u64 _Offset, u64 _Length, u8* _pBuffer) const
+{
+	// header
+	if(_Offset < DISKHEADERINFO_ADDRESS)
+	{
+		WriteToBuffer(DISKHEADER_ADDRESS, DISKHEADERINFO_ADDRESS, m_diskHeader, _Offset, _Length, _pBuffer);
+	}
+	// header info
+	if(_Offset >= DISKHEADERINFO_ADDRESS && _Offset < APPLOADER_ADDRESS)
+	{
+		WriteToBuffer(DISKHEADERINFO_ADDRESS, sizeof(m_diskHeaderInfo), (u8*)m_diskHeaderInfo, _Offset, _Length, _pBuffer);
+	}
+	// apploader
+	if(_Offset >= APPLOADER_ADDRESS && _Offset < APPLOADER_ADDRESS + m_apploaderSize)
+	{
+		WriteToBuffer(APPLOADER_ADDRESS, m_apploaderSize, m_apploader, _Offset, _Length, _pBuffer);
+	}
+	// dol
+	if(_Offset >= DOL_ADDRESS && _Offset < DOL_ADDRESS + m_DOLSize)
+	{
+		WriteToBuffer(DOL_ADDRESS, m_DOLSize, m_DOL, _Offset, _Length, _pBuffer);
+	}
+	// fst
+	if(_Offset >= FST_ADDRESS && _Offset < m_dataStartAddress)
+	{
+		WriteToBuffer(FST_ADDRESS, m_fstSize, m_FSTData, _Offset, _Length, _pBuffer);
+	}
+
+	if(m_virtualDisk.size() == 0)
+		return true;
+
+	// Determine which file the offset refers to
+	std::map<u64, std::string>::const_iterator fileIter = m_virtualDisk.lower_bound(_Offset);
+	if(fileIter->first > _Offset && fileIter != m_virtualDisk.begin())
+		--fileIter;
+
+	// zero fill to start of file data
+	PadToAddress(fileIter->first, _Offset, _Length, _pBuffer);
+
+	while(fileIter != m_virtualDisk.end() && _Length > 0)
+	{
+		_dbg_assert_(DVDINTERFACE, fileIter->first <= _Offset);
+		u64 fileOffset = _Offset - fileIter->first;
+
+		PlainFileReader* reader = PlainFileReader::Create(fileIter->second.c_str());
+		if(reader == NULL)
+			return false;
+
+		u64 fileSize = reader->GetDataSize();
+
+		if(fileOffset < fileSize)
+		{
+			u64 fileBytes = fileSize - fileOffset;
+			if(_Length < fileBytes)
+				fileBytes = _Length;
+
+			if(!reader->Read(fileOffset, fileBytes, _pBuffer))
+				return false;
+
+			_Length -= fileBytes;
+			_pBuffer += fileBytes;
+			_Offset += fileBytes;
+		}
+
+		++fileIter;
+
+		if(fileIter != m_virtualDisk.end())
+		{
+			_dbg_assert_(DVDINTERFACE, fileIter->first >= _Offset);
+			PadToAddress(fileIter->first, _Offset, _Length, _pBuffer);
+		}
+
+		delete reader;
+	}
+
+	return true;
+}
+
+std::string CVolumeDirectory::GetUniqueID() const
+{
+	_dbg_assert_(DVDINTERFACE, m_diskHeader);
+
+	char buffer[7];
+	memcpy(buffer, m_diskHeader, 6);
+	buffer[6] = 0;
+
+	std::string id = buffer;
+	return id;
+}
+
+void CVolumeDirectory::SetUniqueID(std::string _ID)
+{
+	_dbg_assert_(DVDINTERFACE, m_diskHeader);
+
+	u32 length = (u32)_ID.length();
+	if(length > 6)
+		length = 6;
+
+	memcpy(m_diskHeader, _ID.c_str(), length);
+}
+
+IVolume::ECountry CVolumeDirectory::GetCountry() const
+{
+	_dbg_assert_(DVDINTERFACE, m_diskHeader);
+
+	u8 CountryCode = m_diskHeader[3];
+
+	return CountrySwitch(CountryCode);
+}
+
+std::string CVolumeDirectory::GetMakerID() const
+{
+	return "VOID";
+}
+
+std::vector<std::string> CVolumeDirectory::GetNames() const
+{
+	_dbg_assert_(DVDINTERFACE, m_diskHeader);
+	return std::vector<std::string>(1, (char*)(m_diskHeader + 0x20));
+}
+
+void CVolumeDirectory::SetName(std::string _Name)
+{
+	_dbg_assert_(DVDINTERFACE, m_diskHeader);
+
+	u32 length = (u32)_Name.length();
+	if(length > MAX_NAME_LENGTH)
+		length = MAX_NAME_LENGTH;
+
+	memcpy(m_diskHeader + 0x20, _Name.c_str(), length);
+	m_diskHeader[length + 0x20] = 0;
+}
+
+u32 CVolumeDirectory::GetFSTSize() const
+{
+	return 0;
+}
+
+std::string CVolumeDirectory::GetApploaderDate() const
+{
+	return "VOID";
+}
+
+u64 CVolumeDirectory::GetSize() const
+{
+	return 0;
+}
+
+u64 CVolumeDirectory::GetRawSize() const
+{
+	return GetSize();
+}
+
+std::string CVolumeDirectory::ExtractDirectoryName(const std::string& _rDirectory)
+{
+	std::string directoryName = _rDirectory;
+
+	size_t lastSep = directoryName.find_last_of(DIR_SEP_CHR);
+
+	if(lastSep != directoryName.size() - 1)
+	{
+		// TODO: This assumes that file names will always have a dot in them
+		//	   and directory names never will; both assumptions are often
+		//	   right but in general wrong.
+		size_t extensionStart = directoryName.find_last_of('.');
+		if(extensionStart != std::string::npos && extensionStart > lastSep)
+		{
+			directoryName.resize(lastSep);
+		}
+	}
+	else
+	{
+		directoryName.resize(lastSep);
+	}
+
+	return directoryName;
+}
+
+void CVolumeDirectory::SetDiskTypeWii()
+{
+	_dbg_assert_(DVDINTERFACE, m_diskHeader);
+
+	m_diskHeader[0x18] = 0x5d;
+	m_diskHeader[0x19] = 0x1c;
+	m_diskHeader[0x1a] = 0x9e;
+	m_diskHeader[0x1b] = 0xa3;
+	memset(m_diskHeader + 0x1c, 0, 4);
+
+	m_addressShift = 2;
+}
+
+void CVolumeDirectory::SetDiskTypeGC()
+{
+	_dbg_assert_(DVDINTERFACE, m_diskHeader);
+
+	memset(m_diskHeader + 0x18, 0, 4);
+	m_diskHeader[0x1c] = 0xc2;
+	m_diskHeader[0x1d] = 0x33;
+	m_diskHeader[0x1e] = 0x9f;
+	m_diskHeader[0x1f] = 0x3d;
+
+	m_addressShift = 0;
+}
+
+bool CVolumeDirectory::SetApploader(const std::string& _rApploader)
+{
+	if (!_rApploader.empty())
+	{
+		std::string data;
+		if (!File::ReadFileToString(_rApploader.c_str(), data))
+		{
+			PanicAlertT("Apploader unable to load from file");
+			return false;
+		}
+		m_apploaderSize = 0x20 + Common::swap32(*(u32*)&data.data()[0x14]) + Common::swap32(*(u32*)&data.data()[0x18]);
+		if (m_apploaderSize != data.size())
+		{
+			PanicAlertT("Apploader is the wrong size...is it really an apploader?");
+			return false;
+		}
+		m_apploader = new u8[m_apploaderSize];
+		copy(data.begin(), data.end(), m_apploader);
+
+		// 32byte aligned (plus 0x20 padding)
+		DOL_ADDRESS = ROUND_UP(APPLOADER_ADDRESS + m_apploaderSize + 0x20, 0x20ull);
+		return true;
+	}
+	else
+	{
+		m_apploaderSize = 0x20;
+		m_apploader = new u8[m_apploaderSize];
+		// Make sure BS2 HLE doesn't try to run the apploader
+		*(u32*)&m_apploader[0x10] = (u32)-1;
+		return false;
+	}
+}
+
+void CVolumeDirectory::SetDOL(const std::string& _rDOL)
+{
+	if (!_rDOL.empty())
+	{
+		std::string data;
+		File::ReadFileToString(_rDOL.c_str(), data);
+		m_DOLSize = data.size();
+		m_DOL = new u8[m_DOLSize];
+		copy(data.begin(), data.end(), m_DOL);
+
+		Write32((u32)(DOL_ADDRESS >> m_addressShift), 0x0420, m_diskHeader);
+
+		// 32byte aligned (plus 0x20 padding)
+		FST_ADDRESS = ROUND_UP(DOL_ADDRESS + m_DOLSize + 0x20, 0x20ull);
+	}
+}
+
+void CVolumeDirectory::BuildFST()
+{
+	if(m_FSTData)
+	{
+		delete m_FSTData;
+	}
+
+	File::FSTEntry rootEntry;
+
+	// read data from physical disk to rootEntry
+	u32 totalEntries = AddDirectoryEntries(m_rootDirectory, rootEntry) + 1;
+
+	m_fstNameOffset = totalEntries * ENTRY_SIZE;	// offset in FST nameTable
+	m_fstSize = m_fstNameOffset + m_totalNameSize;
+	m_FSTData = new u8[(u32)m_fstSize];
+
+	// if FST hasn't been assigned (ie no apploader/dol setup), set to default
+	if (FST_ADDRESS == 0)
+		FST_ADDRESS = APPLOADER_ADDRESS + 0x2000;
+
+	// 4 byte aligned start of data on disk
+	m_dataStartAddress = ROUND_UP(FST_ADDRESS + m_fstSize, 0x8000ull);
+	u64 curDataAddress = m_dataStartAddress;
+
+	u32 fstOffset = 0;		// offset within FST data
+	u32 nameOffset = 0;		// offset within name table
+	u32 rootOffset = 0;		// offset of root of FST
+
+	// write root entry
+	WriteEntryData(fstOffset, DIRECTORY_ENTRY, 0, 0, totalEntries);
+
+	for(auto& entry : rootEntry.children)
+	{
+		WriteEntry(entry, fstOffset, nameOffset, curDataAddress, rootOffset);
+	}
+
+	// overflow check
+	_dbg_assert_(DVDINTERFACE, nameOffset == m_totalNameSize);
+
+	// write FST size and location
+	_dbg_assert_(DVDINTERFACE, m_diskHeader);
+	Write32((u32)(FST_ADDRESS >> m_addressShift), 0x0424, m_diskHeader);
+	Write32((u32)(m_fstSize >> m_addressShift), 0x0428, m_diskHeader);
+	Write32((u32)(m_fstSize >> m_addressShift), 0x042c, m_diskHeader);
+}
+
+void CVolumeDirectory::WriteToBuffer(u64 _SrcStartAddress, u64 _SrcLength, u8* _Src,
+									 u64& _Address, u64& _Length, u8*& _pBuffer) const
+{
+	if(_Length == 0)
+		return;
+
+	_dbg_assert_(DVDINTERFACE, _Address >= _SrcStartAddress);
+
+	u64 srcOffset = _Address - _SrcStartAddress;
+
+	if(srcOffset < _SrcLength)
+	{
+		u64 srcBytes = _SrcLength - srcOffset;
+		if(_Length < srcBytes)
+			srcBytes = _Length;
+
+		memcpy(_pBuffer, _Src + srcOffset, (size_t)srcBytes);
+
+		_Length -= srcBytes;
+		_pBuffer += srcBytes;
+		_Address += srcBytes;
+	}
+}
+
+void CVolumeDirectory::PadToAddress(u64 _StartAddress, u64& _Address, u64& _Length, u8*& _pBuffer) const
+{
+	if(_StartAddress <= _Address)
+		return;
+
+	u64 padBytes = _StartAddress - _Address;
+	if(padBytes > _Length)
+		padBytes = _Length;
+
+	if(_Length > 0)
+	{
+		memset(_pBuffer, 0, (size_t)padBytes);
+		_Length -= padBytes;
+		_pBuffer += padBytes;
+		_Address += padBytes;
+	}
+}
+
+void CVolumeDirectory::Write32(u32 data, u32 offset, u8* buffer)
+{
+	buffer[offset++] = (data >> 24);
+	buffer[offset++] = (data >> 16) & 0xff;
+	buffer[offset++] = (data >> 8) & 0xff;
+	buffer[offset] = (data) & 0xff;
+}
+
+void CVolumeDirectory::WriteEntryData(u32& entryOffset, u8 type, u32 nameOffset, u64 dataOffset, u32 length)
+{
+	m_FSTData[entryOffset++] = type;
+
+	m_FSTData[entryOffset++] = (nameOffset >> 16) & 0xff;
+	m_FSTData[entryOffset++] = (nameOffset >> 8) & 0xff;
+	m_FSTData[entryOffset++] = (nameOffset) & 0xff;
+
+	Write32((u32)(dataOffset >> m_addressShift), entryOffset, m_FSTData);
+	entryOffset += 4;
+
+	Write32((u32)length, entryOffset, m_FSTData);
+	entryOffset += 4;
+}
+
+void CVolumeDirectory::WriteEntryName(u32& nameOffset, const std::string& name)
+{
+	strncpy((char*)(m_FSTData + nameOffset + m_fstNameOffset), name.c_str(), name.length() + 1);
+
+	nameOffset += (u32)(name.length() + 1);
+}
+
+void CVolumeDirectory::WriteEntry(const File::FSTEntry& entry, u32& fstOffset, u32& nameOffset, u64& dataOffset, u32 parentEntryNum)
+{
+	if(entry.isDirectory)
+	{
+		u32 myOffset = fstOffset;
+		u32 myEntryNum = myOffset / ENTRY_SIZE;
+		WriteEntryData(fstOffset, DIRECTORY_ENTRY, nameOffset, parentEntryNum, (u32)(myEntryNum + entry.size + 1));
+		WriteEntryName(nameOffset, entry.virtualName);
+
+		for(const auto& child : entry.children)
+		{
+			WriteEntry(child, fstOffset, nameOffset, dataOffset, myEntryNum);
+		}
+	}
+	else
+	{
+		// put entry in FST
+		WriteEntryData(fstOffset, FILE_ENTRY, nameOffset, dataOffset, (u32)entry.size);
+		WriteEntryName(nameOffset, entry.virtualName);
+
+		// write entry to virtual disk
+		_dbg_assert_(DVDINTERFACE, m_virtualDisk.find(dataOffset) == m_virtualDisk.end());
+		m_virtualDisk.insert(make_pair(dataOffset, entry.physicalName));
+
+		// 4 byte aligned
+		dataOffset = ROUND_UP(dataOffset + entry.size, 0x8000ull);
+	}
+}
+
+static u32 ComputeNameSize(const File::FSTEntry& parentEntry)
+{
+	u32 nameSize = 0;
+	const std::vector<File::FSTEntry>& children = parentEntry.children;
+	for (auto it = children.cbegin(); it != children.cend(); ++it)
+	{
+		const File::FSTEntry& entry = *it;
+		if (entry.isDirectory)
+		{
+			nameSize += ComputeNameSize(entry);
+		}
+		nameSize += (u32)entry.virtualName.length() + 1;
+	}
+	return nameSize;
+}
+
+u32 CVolumeDirectory::AddDirectoryEntries(const std::string& _Directory, File::FSTEntry& parentEntry)
+{
+	u32 foundEntries = ScanDirectoryTree(_Directory, parentEntry);
+	m_totalNameSize += ComputeNameSize(parentEntry);
+	return foundEntries;
+}
+
+} // namespace