public ISheet GetSheet(string name)
{
const string ExHPathFormat = "exd/{0}.exh";
if (_Sheets.TryGetValue(name, out WeakReference <ISheet> sheetRef) && sheetRef.TryGetTarget(out ISheet sheet))
{
return(sheet);
}
//name = FixName(name);
if (!_AvailableSheets.Contains(name))
{
throw new KeyNotFoundException($"Unknown sheet '{name}'");
}
string exhPath = string.Format(ExHPathFormat, name);
File exh = PackCollection.GetFile(exhPath);
Header header = CreateHeader(name, exh);
sheet = CreateSheet(header);
_Sheets.GetOrAdd(name, n => new WeakReference <ISheet>(sheet)).SetTarget(sheet);
return(sheet);
}
private void BuildIndex()
{
File exRoot = PackCollection.GetFile("exd/root.exl");
List <string> available = new List <string>();
using (MemoryStream ms = new MemoryStream(exRoot.GetData())) {
using (StreamReader s = new StreamReader(ms, Encoding.ASCII)) {
s.ReadLine(); // EXLT,2
while (!s.EndOfStream)
{
string line = s.ReadLine();
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
string[] split = line.Split(',');
if (split.Length != 2)
{
continue;
}
string name = split[0];
int id = int.Parse(split[1]);
available.Add(name);
if (id >= 0)
{
_SheetIdentifiers.Add(id, name);
}
}
}
}
_AvailableSheets = new HashSet <string>(available);
}
public ShPkFile(File sourceFile) {
SourceFile = sourceFile;
Build();
}
public RelationalHeader(RelationalExCollection collection, string name, File file)
: base(collection, name, file)
{
_Columns = base.Columns.Cast<RelationalColumn>().ToArray();
}
protected virtual Header CreateHeader(string name, File file)
{
return(new Header(this, name, file));
}
public bool TryGetFile(uint hash, out File value)
{
WeakReference<File> fileRef;
if (_Files.TryGetValue(hash, out fileRef) && fileRef.TryGetTarget(out value))
return true;
Index2File index;
if (Index.Files.TryGetValue(hash, out index)) {
value = FileFactory.Get(this.Pack, index);
if (_Files.ContainsKey(hash))
_Files[hash].SetTarget(value);
else
_Files.Add(hash, new WeakReference<File>(value));
return true;
}
value = null;
return false;
}
public bool TryGetFile(string path, out File value)
{
uint hash;/*
if (!_FilePathMap.TryGetValue(path, out hash))
_FilePathMap.Add(path, hash = Hash.Compute(path));*/
hash = Hash.Compute(path);
var result = TryGetFile(hash, out value);
if (result)
value.Path = path;
return result;
}
public bool TryGetFile(string name, out File file)
{
uint hash;/*
if (!_FileNameMap.TryGetValue(name, out hash))
_FileNameMap.Add(name, hash = Hash.Compute(name));*/
hash = Hash.Compute(name);
var result = TryGetFile(hash, out file);
if (result)
file.Path = string.Format("{0}/{1}", this.Path, name);
return result;
}
public bool TryGetFile(uint key, out File file)
{
WeakReference<File> fileRef;
if (_Files.TryGetValue(key, out fileRef) && fileRef.TryGetTarget(out file))
return true;
IndexFile index;
if (Index.Files.TryGetValue(key, out index)) {
file = FileFactory.Get(this.Pack, index);
if (_Files.ContainsKey(key))
_Files[key].SetTarget(file);
else
_Files.Add(key, new WeakReference<File>(file));
return true;
}
file = null;
return false;
}
public bool TryGetFile(uint directoryKey, uint fileKey, out File file)
{
Directory dir;
if (TryGetDirectory(directoryKey, out dir))
return dir.TryGetFile(fileKey, out file);
file = null;
return false;
}
public bool TryGetFile(string path, out File file)
{
var lastSeperator = path.LastIndexOf('/');
if (lastSeperator < 0) {
file = null;
return false;
}
var dirPath = path.Substring(0, lastSeperator);
var baseName = path.Substring(lastSeperator + 1);
Directory dir;
if (TryGetDirectory(dirPath, out dir))
return dir.TryGetFile(baseName, out file);
file = null;
return false;
}