private IEnumerable <XmlParserEventCode> ParserIterator()
{
while (true)
{
ClearState();
if (_reader.BaseStream.Position >= _reader.BaseStream.Length)
{
// If we're at the end of the file, stop reading chunks.
// Don't try to catch an EndOfStreamException - this way,
// we avoid an exception being created.
break;
}
ResChunk_header header;
try
{
header = _reader.ReadResChunk_header();
}
catch (EndOfStreamException)
{
// Keep this just in case.
break;
}
var subStream = new BoundedStream(_reader.BaseStream, header.Size - 8);
var subReader = new ResReader(subStream);
switch (header.Type)
{
case ResourceType.RES_XML_TYPE:
yield return(XmlParserEventCode.START_DOCUMENT);
_reader = subReader; // Bound whole file
continue; // Don't skip content
case ResourceType.RES_STRING_POOL_TYPE:
ResStringPool_header stringPoolHeader = subReader.ReadResStringPool_header(header);
_strings = subReader.ReadResStringPool(stringPoolHeader);
break;
case ResourceType.RES_XML_RESOURCE_MAP_TYPE:
ResResourceMap resourceMap = subReader.ReadResResourceMap(header);
_resourceMap = resourceMap;
break;
case ResourceType.RES_XML_START_NAMESPACE_TYPE:
_currentNode = subReader.ReadResXMLTree_node(header);
_currentExtension = subReader.ReadResXMLTree_namespaceExt();
yield return(XmlParserEventCode.START_NAMESPACE);
break;
case ResourceType.RES_XML_END_NAMESPACE_TYPE:
_currentNode = subReader.ReadResXMLTree_node(header);
_currentExtension = subReader.ReadResXMLTree_namespaceExt();
yield return(XmlParserEventCode.END_NAMESPACE);
break;
case ResourceType.RES_XML_START_ELEMENT_TYPE:
_currentNode = subReader.ReadResXMLTree_node(header);
ResXMLTree_attrExt attrExt = subReader.ReadResXMLTree_attrExt();
_currentExtension = attrExt;
_attributes = new List <ResXMLTree_attribute>();
for (int i = 0; i < attrExt.AttributeCount; i++)
{
_attributes.Add(subReader.ReadResXMLTree_attribute());
}
yield return(XmlParserEventCode.START_TAG);
break;
case ResourceType.RES_XML_END_ELEMENT_TYPE:
_currentNode = subReader.ReadResXMLTree_node(header);
_currentExtension = subReader.ReadResXMLTree_endElementExt();
yield return(XmlParserEventCode.END_TAG);
break;
case ResourceType.RES_XML_CDATA_TYPE:
_currentNode = subReader.ReadResXMLTree_node(header);
_currentExtension = subReader.ReadResXMLTree_cdataExt();
yield return(XmlParserEventCode.TEXT);
break;
default:
#if !CORECLR
Console.WriteLine("Warning: Skipping chunk of type {0} (0x{1:x4})",
header.Type, (int)header.Type);
#endif
break;
}
byte[] junk = subStream.ReadFully();
if (junk.Length > 0)
{
#if !CORECLR
Console.WriteLine("Warning: Skipping {0} bytes at the end of a {1} (0x{2:x4}) chunk.",
junk.Length, header.Type, (int)header.Type);
#endif
}
}
}
public virtual ResXMLTree_startelement ReadResXMLTree_startelement(ResXMLTree_node node,
ResXMLTree_attrExt attrExt)
{
var element = new ResXMLTree_startelement
{
Node = node,
AttrExt = attrExt,
Attributes = new List<ResXMLTree_attribute>()
};
uint bytesLeft = node.Header.Size - 0x24u;
for (int i = 0; i < attrExt.AttributeCount; i++)
{
element.Attributes.Add(ReadResXMLTree_attribute());
bytesLeft -= 0x14u;
}
if (bytesLeft < 0)
{
throw new InvalidDataException("The length of the content exceeds the ResStringPool block boundary.");
}
if (bytesLeft > 0)
{
Debug.WriteLine("Warning: Garbage at the end of the StringPool block. Padding?");
ReadBytes((int) bytesLeft);
}
return element;
}
public virtual void Write(ResXMLTree_attrExt data)
{
Write(data.Namespace);
Write(data.Name);
_writer.Write(data.AttributeStart);
_writer.Write(data.AttributeSize);
_writer.Write(data.AttributeCount);
_writer.Write(data.IdIndex);
_writer.Write(data.ClassIndex);
_writer.Write(data.StyleIndex);
}
