Parse the xml prolog too

src/main/java/de/plugh/compositeparse/xml/Document.java

@@ -0,0 +1,35 @@
+package de.plugh.compositeparse.xml;
+
+import java.util.List;
+
+public class Document {
+
+    private final Prolog prolog;
+    private final List<Node> nodes;
+
+    public Document(Prolog prolog, List<Node> nodes) {
+        this.prolog = prolog;
+        this.nodes = nodes;
+    }
+
+    public String prettyPrint() {
+        StringBuilder result = new StringBuilder();
+
+        if (prolog != null) {
+            result.append(prolog.prettyPrint(true));
+        }
+
+        nodes.forEach(node -> result.append(node.prettyPrint()));
+
+        return result.toString();
+    }
+
+    @Override
+    public String toString() {
+        return "Document{" +
+                "prolog=" + prolog +
+                ", nodes=" + nodes +
+                '}';
+    }
+
+}

src/main/java/de/plugh/compositeparse/xml/DocumentParser.java

@@ -0,0 +1,21 @@
+package de.plugh.compositeparse.xml;
+
+import de.plugh.compositeparse.Block;
+import de.plugh.compositeparse.ParseException;
+import de.plugh.compositeparse.Parser;
+import de.plugh.compositeparse.parsers.Default;
+import de.plugh.compositeparse.parsers.Repeat;
+
+import java.util.List;
+
+public class DocumentParser implements Parser<Document> {
+
+    @Override
+    public Document read(Block block) throws ParseException {
+        Prolog prolog = new Default<>(null, new PrologParser()).parse(block);
+        List<Node> nodes = new Repeat<>(new NodeParser()).parse(block);
+
+        return new Document(prolog, nodes);
+    }
+
+}

src/main/java/de/plugh/compositeparse/xml/Prolog.java

@@ -0,0 +1,43 @@
+package de.plugh.compositeparse.xml;
+
+import java.util.Map;
+
+public class Prolog {
+
+    private final Map<String, String> attributes;
+
+    public Prolog(Map<String, String> attributes) {
+        this.attributes = attributes;
+    }
+
+    public String prettyPrint(boolean newline) {
+        StringBuilder result = new StringBuilder();
+
+        result.append("<?xml");
+
+        attributes.forEach((s, s2) -> {
+            result
+                    .append(" ")
+                    .append(s)
+                    .append("=\"")
+                    .append(s2)
+                    .append("\"");
+        });
+
+        result.append("?>");
+
+        if (newline) {
+            result.append("\n");
+        }
+
+        return result.toString();
+    }
+
+    @Override
+    public String toString() {
+        return "Prolog{" +
+                "attributes=" + attributes +
+                '}';
+    }
+
+}

src/main/java/de/plugh/compositeparse/xml/PrologParser.java

@@ -0,0 +1,28 @@
+package de.plugh.compositeparse.xml;
+
+import de.plugh.compositeparse.Block;
+import de.plugh.compositeparse.ParseException;
+import de.plugh.compositeparse.Parser;
+import de.plugh.compositeparse.parsers.Literal;
+
+import java.util.List;
+import java.util.Map;
+import java.util.function.Function;
+
+public class PrologParser implements Parser<Prolog> {
+
+    @Override
+    public Function<List<Block>, String> getNamingScheme() {
+        return Block.label("xml prolog");
+    }
+
+    @Override
+    public Prolog read(Block block) throws ParseException {
+        Literal.literally("<?xml").parse(block);
+        Map<String, String> attributes = new AttributesParser().parse(block);
+        Literal.literally("?>").parse(block);
+
+        return new Prolog(attributes);
+    }
+
+}