private static DOMElement FromPageRendererXML(XmlElement _element)
{
DOMElement R = new DOMElement();
if (_element.Name == "root")
{
R.m_type = ELEMENT_TYPE.ROOT;
}
else
{
R.m_path = _element.GetAttribute("path");
string typeName = _element.GetAttribute("type");
switch (typeName)
{
case "TEXT": R.m_type = ELEMENT_TYPE.TEXT; break;
case "LINK": R.m_type = ELEMENT_TYPE.LINK; break;
case "IMAGE": R.m_type = ELEMENT_TYPE.IMAGE; break;
default: R.m_type = ELEMENT_TYPE.UNKNOWN; break;
}
float X, Y, W, H;
if (float.TryParse(_element.GetAttribute("x"), out X) &&
float.TryParse(_element.GetAttribute("y"), out Y) &&
float.TryParse(_element.GetAttribute("w"), out W) &&
float.TryParse(_element.GetAttribute("h"), out H))
{
R.m_rectangle = new RectangleF(X, Y, W, H);
}
if (R.m_type == ELEMENT_TYPE.LINK)
{
R.m_URL = _element.GetAttribute("URL");
}
}
List <DOMElement> tempChildren = new List <DOMElement>();
foreach (XmlNode childNode in _element.ChildNodes)
{
if (childNode is XmlElement)
{
tempChildren.Add(FromPageRendererXML(childNode as XmlElement));
}
}
R.m_children = tempChildren.ToArray();
return(R);
}
public void Read(BinaryReader _reader)
{
m_path = _reader.ReadString();
m_type = (ELEMENT_TYPE)_reader.ReadInt32();
m_rectangle = new RectangleF(_reader.ReadSingle(), _reader.ReadSingle(), _reader.ReadSingle(), _reader.ReadSingle());
if (m_type == ELEMENT_TYPE.LINK)
{
m_URL = _reader.ReadString();
}
int childrenCount = _reader.ReadInt32();
m_children = childrenCount > 0 ? new DOMElement[childrenCount] : null;
for (int childIndex = 0; childIndex < childrenCount; childIndex++)
{
m_children[childIndex] = new DOMElement(_reader);
}
}
/// <summary>
/// Reads the fiche's description and HTML content
/// </summary>
/// <param name="_reader"></param>
/// <remarks>Heavy chunks are NOT read and will only be accessible asynchronously</remarks>
public void Read(BinaryReader _reader)
{
uint signature = _reader.ReadUInt32();
if (signature != SIGNATURE)
{
throw new Exception("Unexpected signature!");
}
uint versionMajor, versionMinor;
versionMajor = (uint)_reader.ReadUInt16();
versionMinor = (uint)_reader.ReadUInt16();
uint version = (versionMajor << 16) | versionMinor;
// Read hierarchy
string strGUID = _reader.ReadString();
if (!Guid.TryParse(strGUID, out m_GUID))
{
throw new Exception("Failed to parse fiche GUID!");
}
string strCreationTime = _reader.ReadString();
if (!DateTime.TryParse(strCreationTime, out m_creationTime))
{
throw new Exception("Failed to parse fiche creation time!");
}
// We only read the GUIDs while the actual fiches will be processed later
uint parentsCount = _reader.ReadUInt32();
while (m_tags.Count > 0)
{
RemoveTag(m_tags[0]);
}
m_tagGUIDs = new Guid[parentsCount];
for (int parentIndex = 0; parentIndex < parentsCount; parentIndex++)
{
strGUID = _reader.ReadString();
if (!Guid.TryParse(strGUID, out m_tagGUIDs[parentIndex]))
{
throw new Exception("Failed to parse fiche's parent GUID!");
}
}
// Read content
string strType = _reader.ReadString();
if (!Enum.TryParse(strType, out m_type))
{
throw new Exception("Failed to parse fiche's type!");
}
m_title = _reader.ReadString();
if (_reader.ReadBoolean())
{
string strURL = _reader.ReadString();
m_URL = WebHelpers.CreateCanonicalURL(strURL);
}
if (_reader.ReadBoolean())
{
m_HTMLContent = _reader.ReadString();
}
if (_reader.ReadBoolean())
{
m_rootElement = new Brain2.DOMElement(_reader);
}
// Read chunks
while (m_chunks.Count > 0)
{
m_chunks[0].Dispose();
m_chunks.RemoveAt(0);
}
uint chunksCount = _reader.ReadUInt32();
for (uint chunkIndex = 0; chunkIndex < chunksCount; chunkIndex++)
{
string chunkType = _reader.ReadString();
uint chunkLength = _reader.ReadUInt32();
ulong chunkStartOffset = (ulong)_reader.BaseStream.Position;
ChunkBase chunk = CreateChunkFromType(chunkType, chunkStartOffset, chunkLength);
if (chunk != null)
{
chunk.Read(_reader); // Only shallow data will be available, heavy data will be loaded asynchonously on demand
}
// Always jump to chunk's end, whether it read something or not...
ulong chunkEndOffset = chunkStartOffset + chunkLength;
_reader.BaseStream.Seek((long)chunkEndOffset, SeekOrigin.Begin);
}
// Fiche is now ready!
m_status = STATUS.READY;
}