public void WriteObject(string file, object obj, BinaryXmlTypeMap typeMap)
{
using (Stream s = Create(file)) {
BinaryXmlWriter writer = new BinaryXmlWriter(s, typeMap);
writer.WriteValue("data", obj);
}
}
public object ReadSharedObject(string fullFileName, BinaryXmlTypeMap typeMap)
{
object result;
OpenFileForPath(fullFileName, null, typeMap, false, out result);
return(result);
}
public object ReadObject(string file, BinaryXmlTypeMap typeMap)
{
using (Stream s = OpenRead(file)) {
BinaryXmlReader reader = new BinaryXmlReader(s, typeMap);
return(reader.ReadValue("data"));
}
}
static AddinDescription()
{
typeMap = new BinaryXmlTypeMap();
typeMap.RegisterType(typeof(AddinDescription), "AddinDescription");
typeMap.RegisterType(typeof(Extension), "Extension");
typeMap.RegisterType(typeof(ExtensionNodeDescription), "Node");
typeMap.RegisterType(typeof(ExtensionNodeSet), "NodeSet");
typeMap.RegisterType(typeof(ExtensionNodeType), "NodeType");
typeMap.RegisterType(typeof(ExtensionPoint), "ExtensionPoint");
typeMap.RegisterType(typeof(ModuleDescription), "ModuleDescription");
typeMap.RegisterType(typeof(ConditionTypeDescription), "ConditionType");
typeMap.RegisterType(typeof(Condition), "Condition");
typeMap.RegisterType(typeof(AddinDependency), "AddinDependency");
typeMap.RegisterType(typeof(AssemblyDependency), "AssemblyDependency");
typeMap.RegisterType(typeof(NodeTypeAttribute), "NodeTypeAttribute");
}
bool OpenFileForPath(string f, string objectId, BinaryXmlTypeMap typeMap, bool checkOnly, out object result)
{
result = null;
if (!Exists(f))
{
return(false);
}
using (Stream s = OpenRead(f)) {
BinaryXmlReader reader = new BinaryXmlReader(s, typeMap);
reader.ReadBeginElement();
string id = reader.ReadStringValue("id");
if (objectId == null || objectId == id)
{
if (!checkOnly)
{
result = reader.ReadValue("data");
}
return(true);
}
}
return(false);
}
public string WriteSharedObject(string directory, string sharedFileName, string extension, string objectId, string readFileName, BinaryXmlTypeMap typeMap, IBinaryXmlElement obj)
{
string file = readFileName;
if (file == null)
{
int count = 1;
string name = sharedFileName + "_" + Util.GetStringHashCode(objectId).ToString("x");
file = Path.Combine(directory, name + extension);
while (Exists(file))
{
count++;
file = Path.Combine(directory, name + "_" + count + extension);
}
}
using (Stream s = Create(file)) {
BinaryXmlWriter writer = new BinaryXmlWriter(s, typeMap);
writer.WriteBeginElement("File");
writer.WriteValue("id", objectId);
writer.WriteValue("data", obj);
writer.WriteEndElement();
}
return(file);
}
public void WriteSharedObject(string objectId, string targetFile, BinaryXmlTypeMap typeMap, IBinaryXmlElement obj)
{
WriteSharedObject(null, null, null, objectId, targetFile, typeMap, obj);
}
object ReadSharedObject(string directory, string sharedFileName, string extension, string objectId, BinaryXmlTypeMap typeMap, bool checkOnly, out string fileName)
{
string name = sharedFileName + "_" + Util.GetStringHashCode(objectId).ToString("x");
string file = Path.Combine(directory, name + extension);
object result;
if (OpenFileForPath(file, objectId, typeMap, checkOnly, out result))
{
fileName = file;
return(result);
}
// The file is not the one we expected. There has been a name colision
foreach (string f in GetDirectoryFiles(directory, name + "*" + extension))
{
if (f != file && OpenFileForPath(f, objectId, typeMap, checkOnly, out result))
{
fileName = f;
return(result);
}
}
// File not found
fileName = null;
return(null);
}
public object ReadSharedObject(string directory, string sharedFileName, string extension, string objectId, BinaryXmlTypeMap typeMap, out string fileName)
{
return(ReadSharedObject(directory, sharedFileName, extension, objectId, typeMap, false, out fileName));
}
object ReadSharedObject(string directory, string sharedFileName, string extension, string objectId, BinaryXmlTypeMap typeMap, bool checkOnly, out string fileName)
{
if (Util.IsWindows)
{
objectId = objectId.ToLowerInvariant();
}
string name = GetFileKey(directory, sharedFileName, objectId);
string file = Path.Combine(directory, name + extension);
object result;
OpenFileResult res = OpenFileForPath(file, objectId, typeMap, checkOnly, out result);
if (res == OpenFileResult.Found)
{
fileName = file;
return(result);
}
// The file is not the one we expected. There has been a name collision
if (res == OpenFileResult.Collision)
{
int count = 1;
file = Path.Combine(directory, name + "_" + count + extension);
while (true)
{
res = OpenFileForPath(file, objectId, typeMap, checkOnly, out result);
if (res == OpenFileResult.NotFound)
{
break;
}
if (res == OpenFileResult.Found)
{
fileName = file;
return(result);
}
if (res == OpenFileResult.Collision)
{
count++;
}
}
}
// File not found
fileName = null;
return(null);
}
