Initial

Sources/AndroidXML/XmlNode.swift

@@ -0,0 +1,24 @@
+/**
+ * Basic XML tree node.  A single item in the XML document.
+ * Extended info about the node can be found after `header.headerSize`.
+ */
+/// Header size: `ChunkHeader` (8B) + `8 Bytes`
+protocol XmlNode {
+	var header: ChunkHeader { get }
+}
+
+extension XmlNode {
+	/// Line number in original source file at which this element appeared.
+	public var lineNumber: UInt32 {
+		header._bytes.int32(header.index(.startOfHeader) + 0)
+	}
+	
+	/// Optional XML comment that was associated with this element
+	public var comment: StringPoolRef? {
+		let val = header._bytes.int32(header.index(.startOfHeader) + 4)
+		return val == 0xFFFFFFFF ? nil : val // `-1` if none.
+	}
+	
+	/// Absolute offset in data
+	public var offset: Index { header.index(.startOfChunk) }
+}