Initial data commit

Task/XML-Input/Wren/xml-input-1.wren

@@ -0,0 +1,34 @@
+import "/pattern" for Pattern
+import "/fmt" for Conv
+
+var xml =
+"<Students>
+  <Student Name=\"April\" Gender=\"F\" DateOfBirth=\"1989-01-02\" />
+  <Student Name=\"Bob\" Gender=\"M\"  DateOfBirth=\"1990-03-04\" />
+  <Student Name=\"Chad\" Gender=\"M\"  DateOfBirth=\"1991-05-06\" />
+  <Student Name=\"Dave\" Gender=\"M\"  DateOfBirth=\"1992-07-08\">
+    <Pet Type=\"dog\" Name=\"Rover\" />
+  </Student>
+  <Student DateOfBirth=\"1993-09-10\" Gender=\"F\" Name=\"&#x00C9;mily\" />
+</Students>"
+
+var p = Pattern.new("<+1^>>")
+var p2 = Pattern.new(" Name/=\"[+1^\"]\"")
+var p3 = Pattern.new("/&/#x[+1/h];")
+var matches = p.findAll(xml)
+for (m in matches) {
+    var text = m.text
+    if (text.startsWith("<Student ")) {
+        var match = p2.find(m.text)
+        if (match) {
+            var name = match.captures[0].text
+            var escapes = p3.findAll(name)
+            for (esc in escapes) {
+                var hd = esc.captures[0].text
+                var char = String.fromCodePoint(Conv.atoi(hd, 16))
+                name = name.replace(esc.text, char)
+            }
+            System.print(name)
+        }
+    }
+}