2 files changed, 49 insertions, 20 deletions

diff --git a/src/core/XML.cpp b/src/core/XML.cpp
index 9cfb5dc..b7d1511 100644
--- a/src/core/XML.cpp
+++ b/src/core/XML.cpp
@@ -4,18 +4,23 @@
 namespace ousia {
 namespace xml {
 
-void Node::serialize(std::ostream &out, const std::string &doctype)
+void Node::serialize(std::ostream &out, const std::string &doctype, bool pretty)
 {
 	if (doctype != "") {
-		out << doctype << "\n";
+		out << doctype;
+		if (pretty) {
+			out << '\n';
+		}
 	}
-	doSerialize(out, 0);
+	doSerialize(out, 0, pretty);
 }
 
-void Element::doSerialize(std::ostream &out, unsigned int tabdepth)
+void Element::doSerialize(std::ostream &out, unsigned int tabdepth, bool pretty)
 {
-	for (unsigned int t = 0; t < tabdepth; t++) {
-		out << '\t';
+	if (pretty) {
+		for (unsigned int t = 0; t < tabdepth; t++) {
+			out << '\t';
+		}
 	}
 	out << '<' << name;
 	for (auto &a : attributes) {
@@ -23,25 +28,41 @@ void Element::doSerialize(std::ostream &out, unsigned int tabdepth)
 	}
 	// if we have no children, we close the tag immediately.
 	if (children.size() == 0) {
-		out << "/>\n";
+		out << "/>";
+		if (pretty) {
+			out << '\n';
+		}
 	} else {
-		out << ">\n";
+		out << ">";
+		if (pretty) {
+			out << '\n';
+		}
 		for (auto &n : children) {
-			n->doSerialize(out, tabdepth + 1);
+			n->doSerialize(out, tabdepth + 1, pretty);
 		}
-		for (unsigned int t = 0; t < tabdepth; t++) {
-			out << '\t';
+		if (pretty) {
+			for (unsigned int t = 0; t < tabdepth; t++) {
+				out << '\t';
+			}
+		}
+		out << "</" << name << ">";
+		if (pretty) {
+			out << '\n';
 		}
-		out << "</" << name << ">\n";
 	}
 }
 
-void Text::doSerialize(std::ostream &out, unsigned int tabdepth)
+void Text::doSerialize(std::ostream &out, unsigned int tabdepth, bool pretty)
 {
-	for (unsigned int t = 0; t < tabdepth; t++) {
-		out << '\t';
+	if (pretty) {
+		for (unsigned int t = 0; t < tabdepth; t++) {
+			out << '\t';
+		}
+	}
+	out << text;
+	if (pretty) {
+		out << '\n';
 	}
-	out << text << '\n';
 }
 }
 
diff --git a/src/core/XML.hpp b/src/core/XML.hpp
index e55ecba..b05d4c6 100644
--- a/src/core/XML.hpp
+++ b/src/core/XML.hpp
@@ -73,9 +73,12 @@ public:
 	 * @param out     is the output stream the serialized data shall be
 	 *                written to.
 	 * @param doctype enables you to add a prefix specifying the doctype.
+	 * @param pretty is a flag that manipulates whether newlines and tabs are
+	 *               used.
 	 */
 	void serialize(std::ostream &out,
-	               const std::string &doctype = "<?xml version=\"1.0\"?>");
+	               const std::string &doctype = "<?xml version=\"1.0\"?>",
+	               bool pretty = true);
 	/**
 	 * This method just writes the XML representation of this node to the
 	 * output stream.
@@ -83,8 +86,11 @@ public:
 	 * @param out      the output stream the serialized data shall be written
 	 *                 to.
 	 * @param tabdepth the current tabdepth for prettier output.
+	 * @param pretty is a flag that manipulates whether newlines and tabs are
+	 *               used.
 	 */
-	virtual void doSerialize(std::ostream &out, unsigned int tabdepth) = 0;
+	virtual void doSerialize(std::ostream &out, unsigned int tabdepth,
+	                         bool pretty) = 0;
 
 	/**
 	 * @return the parent XML element of this node.
@@ -130,7 +136,8 @@ public:
 	 * * The end tag of this element.
 	 *
 	 */
-	void doSerialize(std::ostream &out, unsigned int tabdepth) override;
+	void doSerialize(std::ostream &out, unsigned int tabdepth,
+	                 bool pretty) override;
 
 	const ManagedVector<Node> &getChildren() const { return children; }
 
@@ -155,7 +162,8 @@ public:
 	 * This just writes the text to the output.
 	 *
 	 */
-	void doSerialize(std::ostream &out, unsigned int tabdepth) override;
+	void doSerialize(std::ostream &out, unsigned int tabdepth,
+	                 bool pretty) override;
 };
 }