public virtual FatFileInfo scan()
{
firstFreeCluster = vFile.FirstFreeCluster;
FatFileInfo rootDirectory = new FatFileInfo(vFile.DeviceName, null, null, true, false, null, 0);
rootDirectory.ParentDirectory = rootDirectory;
scan(null, rootDirectory);
vFile.RootDirectory = rootDirectory;
//if (log.DebugEnabled)
{
Console.WriteLine(string.Format("Using 0x{0:X} clusters out of 0x{1:X}", firstFreeCluster, maxNumberClusters));
debugScan(rootDirectory);
}
if (firstFreeCluster > maxNumberClusters)
{
Console.WriteLine(string.Format("Too many files in the Fat partition: required clusters=0x{0:X}, max clusters=0x{1:X}", firstFreeCluster, maxNumberClusters));
}
return(rootDirectory);
}
public virtual sbyte[] buildDirectoryData(FatFileInfo fileInfo)
{
sbyte[] directoryData;
// Is this the root directory?
if (fileInfo.RootDirectory)
{
// The root directory has no "." nor ".." directory entries
directoryData = new sbyte[0];
}
else
{
// Non-root directories have "." and ".." directory entries
directoryData = new sbyte[directoryTableEntrySize * 2];
buildDotDirectoryEntry(directoryData, 0, fileInfo, ".", fileInfo.LastModified);
buildDotDirectoryEntry(directoryData, directoryTableEntrySize, fileInfo.ParentDirectory, "..", fileInfo.LastModified);
}
IList <FatFileInfo> children = fileInfo.Children;
if (children != null)
{
foreach (FatFileInfo child in children)
{
directoryData = addDirectoryEntry(directoryData, child);
}
}
return(directoryData);
}
private void computeFileName83(FatFileInfo fileInfo, IList <FatFileInfo> siblings)
{
int collisionIndex = 0;
string fileName = fileInfo.FileName;
string fileName83 = convertFileNameTo83(fileName, collisionIndex);
// Check if the 8.3 file name is not colliding
// with other 8.3 file names in the same directory.
bool hasCollision;
do
{
hasCollision = false;
foreach (FatFileInfo sibling in siblings)
{
string siblingFileName83 = sibling.FileName83;
if (!string.ReferenceEquals(siblingFileName83, null))
{
if (fileName83.Equals(siblingFileName83))
{
// 8.3 file name collision
collisionIndex++;
hasCollision = true;
fileName83 = convertFileNameTo83(fileName, collisionIndex);
break;
}
}
}
} while (hasCollision);
fileInfo.FileName83 = fileName83;
}
private void buildDotDirectoryEntry(sbyte[] directoryData, int offset, FatFileInfo fileInfo, string dotName, ScePspDateTime alternateLastModified)
{
storeSectorString(directoryData, offset + 0, dotName, 8 + 3);
// File attributes: directory
storeSectorInt8(directoryData, offset + 11, 0x10);
// Has extended attributes?
storeSectorInt8(directoryData, offset + 12, 0);
ScePspDateTime lastModified = fileInfo.LastModified;
if (lastModified == null)
{
// The root directory has no lastModified date/time,
// rather use the date/time of the sub-directory.
lastModified = alternateLastModified;
}
storeSectorInt8(directoryData, offset + 13, 0); // Milliseconds, always set to 0 by the PSP
int createTime = lastModified.hour << 11;
createTime |= lastModified.minute << 5;
createTime |= lastModified.second >> 1;
storeSectorInt16(directoryData, offset + 14, createTime);
int createDate = (lastModified.year - 1980) << 9;
createDate |= lastModified.month << 5;
createDate |= lastModified.day;
storeSectorInt16(directoryData, offset + 16, createDate);
storeSectorInt16(directoryData, offset + 18, createDate);
int[] clusters = fileInfo.Clusters;
if (clusters != null)
{
storeSectorInt16(directoryData, offset + 20, (int)((uint)clusters[0] >> 16));
}
else
{
storeSectorInt16(directoryData, offset + 20, 0); // Empty file
}
storeSectorInt16(directoryData, offset + 22, createTime);
storeSectorInt16(directoryData, offset + 24, createDate);
if (clusters != null)
{
storeSectorInt16(directoryData, offset + 26, clusters[0] & 0xFFFF);
}
else
{
storeSectorInt16(directoryData, offset + 26, 0); // Empty file
}
// File size
storeSectorInt32(directoryData, offset + 28, 0);
}
public virtual void addChild(FatFileInfo fileInfo)
{
if (children == null)
{
children = new LinkedList <FatFileInfo>();
}
children.Add(fileInfo);
fileInfo.ParentDirectory = this;
}
public virtual void setClusters(FatFileInfo fileInfo, int[] clusters)
{
if (clusters != null)
{
for (int i = 0; i < clusters.Length; i++)
{
vFile.setFatFileInfoMap(clusters[i], fileInfo);
}
}
fileInfo.Clusters = clusters;
}
public static FatFileInfo[] extendArray(FatFileInfo[] array, int extend)
{
if (array == null)
{
return(new FatFileInfo[extend]);
}
FatFileInfo[] newArray = new FatFileInfo[array.Length + extend];
Array.Copy(array, 0, newArray, 0, array.Length);
return(newArray);
}
private void debugScan(FatFileInfo fileInfo)
{
Console.WriteLine(string.Format("scan {0}", fileInfo));
IList <FatFileInfo> children = fileInfo.Children;
if (children != null)
{
foreach (FatFileInfo child in children)
{
debugScan(child);
}
}
}
private void scan(string dirName, FatFileInfo parent)
{
string[] names = vfs.ioDopen(dirName);
if (names == null || names.Length == 0)
{
return;
}
SceIoStat stat = new SceIoStat();
SceIoDirent dir = new SceIoDirent(stat, null);
for (int i = 0; i < names.Length; i++)
{
dir.filename = names[i];
if (vfs.ioDread(dirName, dir) >= 0)
{
bool directory = (dir.stat.attr & 0x10) != 0;
bool readOnly = (dir.stat.mode & 0x2) == 0;
FatFileInfo fileInfo = new FatFileInfo(vFile.DeviceName, dirName, dir.filename, directory, readOnly, dir.stat.mtime, dir.stat.size);
parent.addChild(fileInfo);
if (directory)
{
if (string.ReferenceEquals(dirName, null))
{
scan(dir.filename, fileInfo);
}
else
{
scan(dirName + "/" + dir.filename, fileInfo);
}
}
// Allocate the clusters after having scanned the children
allocateClusters(fileInfo);
}
}
IList <FatFileInfo> children = parent.Children;
if (children != null)
{
foreach (FatFileInfo child in children)
{
computeFileName83(child, children);
}
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public void read(pspsharp.state.StateInputStream stream, FatVirtualFile fatVirtualFile) throws java.io.IOException
public virtual void read(StateInputStream stream, FatVirtualFile fatVirtualFile)
{
parentDirectory = fatVirtualFile.readFatFileInfo(stream);
// Read the children
children = null;
int countChildren = stream.readInt();
for (int i = 0; i < countChildren; i++)
{
FatFileInfo child = fatVirtualFile.readFatFileInfo(stream);
if (child != null)
{
addChild(child);
}
}
}
private void allocateClusters(FatFileInfo fileInfo)
{
long dataSize = fileInfo.FileSize;
if (fileInfo.Directory)
{
// Two child entries for "." and ".."
int directoryTableEntries = 2;
IList <FatFileInfo> children = fileInfo.Children;
if (children != null)
{
// TODO: take fake entries into account to support "long filename"
directoryTableEntries += children.Count;
}
dataSize = directoryTableEntrySize * directoryTableEntries;
}
int[] clusters = allocateClusters(dataSize);
setClusters(fileInfo, clusters);
}
private sbyte[] addDirectoryEntry(sbyte[] directoryData, FatFileInfo fileInfo)
{
string fileName = fileInfo.FileName;
string fileName83 = fileInfo.FileName83;
string fileName8_3 = convertFileName83To8_3(fileName83);
if (isLongFileName(fileName8_3, fileName))
{
int checksum = getFileNameChecksum(fileName83);
directoryData = addLongFileNameDirectoryEntries(directoryData, fileName, checksum);
}
int offset = directoryData.Length;
directoryData = Utilities.extendArray(directoryData, directoryTableEntrySize);
storeSectorString(directoryData, offset + 0, fileName83, 8 + 3);
int fileAttributes = 0x20; // Archive attribute
if (fileInfo.ReadOnly)
{
fileAttributes |= 0x01; // Read Only attribute
}
if (fileInfo.Directory)
{
fileAttributes |= 0x10; // Sub-directory attribute
}
storeSectorInt8(directoryData, offset + 11, fileAttributes);
// Has extended attributes?
storeSectorInt8(directoryData, offset + 12, 0);
ScePspDateTime lastModified = fileInfo.LastModified;
storeSectorInt8(directoryData, offset + 13, 0); // Milliseconds always set to 0 by the PSP
int createTime = lastModified.hour << 11;
createTime |= lastModified.minute << 5;
createTime |= lastModified.second >> 1;
storeSectorInt16(directoryData, offset + 14, createTime);
int createDate = (lastModified.year - 1980) << 9;
createDate |= lastModified.month << 5;
createDate |= lastModified.day;
storeSectorInt16(directoryData, offset + 16, createDate);
storeSectorInt16(directoryData, offset + 18, createDate);
int[] clusters = fileInfo.Clusters;
if (clusters != null)
{
storeSectorInt16(directoryData, offset + 20, (int)((uint)clusters[0] >> 16));
}
else
{
storeSectorInt16(directoryData, offset + 20, 0); // Empty file
}
storeSectorInt16(directoryData, offset + 22, createTime);
storeSectorInt16(directoryData, offset + 24, createDate);
if (clusters != null)
{
storeSectorInt16(directoryData, offset + 26, clusters[0] & 0xFFFF);
}
else
{
storeSectorInt16(directoryData, offset + 26, 0); // Empty file
}
int fileSize = (int)fileInfo.FileSize;
if (fileInfo.Directory)
{
fileSize = 0;
}
storeSectorInt32(directoryData, offset + 28, fileSize);
return(directoryData);
}
