IClass ReadClass(ClassEntry ce)
{
if (datareader == null) {
datafile = new FileStream (dataFile, FileMode.Open, FileAccess.Read, FileShare.Read);
datareader = new BinaryReader (datafile);
}
datafile.Position = ce.Position;
datareader.ReadInt32 (); // Length of data
return PersistentClass.Read (datareader, parserDatabase.DefaultNameDecoder);
}
IClass GetClass(ClassEntry ce)
{
ce.LastGetTime = currentGetTime++;
if (ce.Class != null) return ce.Class;
// Read the class from the file
ce.Class = ReadClass (ce);
return ce.Class;
}
public ClassUpdateInformation UpdateClassInformation(ClassCollection newClasses, string fileName)
{
lock (rwlock)
{
ClassUpdateInformation res = new ClassUpdateInformation ();
FileEntry fe = files [fileName] as FileEntry;
if (fe == null) return null;
bool[] added = new bool [newClasses.Count];
NamespaceEntry[] newNss = new NamespaceEntry [newClasses.Count];
for (int n=0; n<newClasses.Count; n++) {
string[] path = newClasses[n].Namespace.Split ('.');
newNss[n] = GetNamespaceEntry (path, path.Length, true, true);
}
ArrayList newFileClasses = new ArrayList ();
if (fe != null)
{
ClassEntry ce = fe.FirstClass;
while (ce != null)
{
IClass newClass = null;
for (int n=0; n<newClasses.Count && newClass == null; n++) {
IClass uc = newClasses [n];
if (uc.Name == ce.Name && newNss[n] == ce.NamespaceRef) {
newClass = uc;
added[n] = true;
}
}
if (newClass != null) {
// Class found, replace it
ce.Class = CopyClass (newClass);
ce.LastGetTime = currentGetTime++;
newFileClasses.Add (ce);
res.Modified.Add (ce.Class);
}
else {
// Class not found, it has to be deleted, unless it has
// been added in another file
if (ce.FileEntry == fe) {
IClass c = ce.Class;
if (c == null) c = ReadClass (ce);
res.Removed.Add (c);
ce.NamespaceRef.Remove (ce.Name);
}
}
ce = ce.NextInFile;
}
}
if (fe == null) {
fe = new FileEntry (fileName);
files [fileName] = fe;
}
for (int n=0; n<newClasses.Count; n++) {
if (!added[n]) {
IClass c = CopyClass (newClasses[n]);
ClassEntry ce = new ClassEntry (c, fe, newNss[n]);
ce.LastGetTime = currentGetTime++;
newNss[n].Add (c.Name, ce);
newFileClasses.Add (ce);
res.Added.Add (c);
}
}
fe.SetClasses (newFileClasses);
rootNamespace.Clean ();
fe.LastParseTime = DateTime.Now;
modified = true;
Flush ();
return res;
}
}
public void AddClass(ClassEntry ce)
{
if (ce.FileEntry != null)
ce.FileEntry.RemoveClass (ce);
ce.NextInFile = firstClass;
firstClass = ce;
}
public void SetClasses(ArrayList list)
{
firstClass = null;
foreach (ClassEntry ce in list)
AddClass (ce);
}
public void RemoveClass(ClassEntry ce)
{
ClassEntry oldent = null;
ClassEntry curent = firstClass;
while (curent != null && curent != ce) {
oldent = curent;
curent = curent.NextInFile;
}
if (curent == null)
return;
else if (oldent == null)
firstClass = curent.NextInFile;
else
oldent.NextInFile = curent.NextInFile;
ce.FileEntry = null;
}