Initial project import

tools/v/vlib/encoding/xml/parser_test.v

@@ -0,0 +1,130 @@
+module xml
+
+const sample_doc = '
+<root>
+	<c id="c1"/>
+	<c id="c2">
+		Sample Text
+	</c>
+	<empty/>
+	<c id="c3"/>
+	<abc id="c4"/>
+	<xyz id="c5"/>
+	<c id="c6"/>
+	<cx id="c7"/>
+	<cd id="c8"/>
+	<child id="c9">
+		More Sample Text
+	</child>
+	<cz id="c10"/>
+</root>'
+
+const xml_elements = [
+	XMLNode{
+		name:       'c'
+		attributes: {
+			'id': 'c1'
+		}
+	},
+	XMLNode{
+		name:       'c'
+		attributes: {
+			'id': 'c2'
+		}
+		children:   [
+			'Sample Text',
+		]
+	},
+	XMLNode{
+		name:       'empty'
+		attributes: {}
+	},
+	XMLNode{
+		name:       'c'
+		attributes: {
+			'id': 'c3'
+		}
+	},
+	XMLNode{
+		name:       'abc'
+		attributes: {
+			'id': 'c4'
+		}
+	},
+	XMLNode{
+		name:       'xyz'
+		attributes: {
+			'id': 'c5'
+		}
+	},
+	XMLNode{
+		name:       'c'
+		attributes: {
+			'id': 'c6'
+		}
+	},
+	XMLNode{
+		name:       'cx'
+		attributes: {
+			'id': 'c7'
+		}
+	},
+	XMLNode{
+		name:       'cd'
+		attributes: {
+			'id': 'c8'
+		}
+	},
+	XMLNode{
+		name:       'child'
+		attributes: {
+			'id': 'c9'
+		}
+		children:   [
+			'More Sample Text',
+		]
+	},
+	XMLNode{
+		name:       'cz'
+		attributes: {
+			'id': 'c10'
+		}
+	},
+]
+
+fn test_single_element_parsing() ! {
+	mut reader := FullBufferReader{
+		contents: sample_doc.bytes()
+	}
+	// Skip the "<root>" tag
+	mut skip := []u8{len: 6}
+	reader.read(mut skip)!
+
+	mut local_buf := [u8(0)]
+	mut ch := next_char(mut reader, mut local_buf)!
+
+	mut count := 0
+
+	for count < xml_elements.len {
+		match ch {
+			`<` {
+				next_ch := next_char(mut reader, mut local_buf)!
+				match next_ch {
+					`/` {}
+					else {
+						parsed_element := parse_single_node(next_ch, mut reader)!
+						assert xml_elements[count] == parsed_element
+						count++
+					}
+				}
+
+				ch = next_char(mut reader, mut local_buf)!
+			}
+			else {
+				for ch != `<` {
+					ch = next_char(mut reader, mut local_buf)!
+				}
+			}
+		}
+	}
+}