private void ReadStructure(Tag tag, IContentReaderDelegate contentDelegate)
{
contentDelegate.OnStructureStart(tag);
while (true)
{
Tag innerTag = this.ReadTag();
switch (innerTag.Type)
{
case Tag.TagType.Attribute: {
this.ReadAttribute(innerTag, contentDelegate);
break;
}
case Tag.TagType.StructureStart: {
this.ReadStructure(innerTag, contentDelegate);
break;
}
case Tag.TagType.StructureEnd: {
contentDelegate.OnStructureEnd(innerTag);
return;
}
}
}
}
private void ReadAttribute(Tag tag, IContentReaderDelegate contentDelegate)
{
var numBytes = this.reader.Read7BitEncodedInt();
byte[] bytes = this.reader.ReadBytes(numBytes);
contentDelegate.OnAttribute(tag, new AttributeValue(bytes));
}
public void ReadContent(IContentReaderDelegate contentDelegate)
{
Tag tag = this.ReadTag();
if (tag.Type != Tag.TagType.StructureStart)
{
throw new System.FormatException(System.String.Format("Root node should be structure, but tag was {0} ({1})", tag.Type, tag.Name));
}
this.ReadStructure(tag, contentDelegate);
}
public void ReadFile(IContentReaderDelegate contentDelegate)
{
var tagSectionReader = new TagsSectionReader(this.reader);
long tagsSectionPosition = tagSectionReader.FindTagsSection();
this.reader.BaseStream.Position = tagsSectionPosition;
Tags tags = tagSectionReader.ReadTagsSection();
var contentReader = new ContentReader(this.reader, tags);
this.reader.BaseStream.Position = 0;
contentReader.ReadContent(contentDelegate);
Tag tag = contentReader.ReadTag();
if (tag.Type != Tag.TagType.StructureEnd)
{
throw new System.FormatException(System.String.Format("Unexpected tag type at end of content; expected: {0}, was: {1}", Tag.TagType.StructureEnd, tag.Type));
}
if (this.reader.BaseStream.Position != tagsSectionPosition)
{
throw new System.FormatException(System.String.Format("Unexpected position at end of content; expected: {0}, was: {1}", tagSectionReader, this.reader.BaseStream.Position));
}
}
