3 files changed, 132 insertions, 0 deletions
diff --git a/Swiften/Parser/Tree/NullParserElement.h b/Swiften/Parser/Tree/NullParserElement.h
new file mode 100644
index 0000000..93c0662
--- /dev/null
+++ b/Swiften/Parser/Tree/NullParserElement.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2011 Kevin Smith
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#pragma once
+
+#include <string>
+#include <Swiften/Parser/Tree/ParserElement.h>
+
+namespace Swift {
+
+	class NullParserElement : public ParserElement {
+		public:
+			NullParserElement() : ParserElement("", "", AttributeMap()) {}
+			virtual operator bool() {return false;};
+	};
+}
diff --git a/Swiften/Parser/Tree/ParserElement.cpp b/Swiften/Parser/Tree/ParserElement.cpp
new file mode 100644
index 0000000..c851b41
--- /dev/null
+++ b/Swiften/Parser/Tree/ParserElement.cpp
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2011 Kevin Smith
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+
+#include <Swiften/Parser/Tree/ParserElement.h>
+#include <Swiften/Parser/Tree/NullParserElement.h>
+
+#include <iostream>
+
+namespace Swift{
+
+ParserElement::ParserElement(const std::string& name, const std::string& xmlns, const AttributeMap& attributes) : name_(name), xmlns_(xmlns), attributes_(attributes) {
+
+}
+
+ParserElement::~ParserElement() {
+
+}
+
+ParserElement::operator bool() {
+	return true;
+}
+
+ParserElement::ref ParserElement::addChild(const std::string& name, const std::string& xmlns, const AttributeMap& attributes) {
+	ParserElement::ref child = boost::make_shared<ParserElement>(name, xmlns, attributes);
+	children_.push_back(child);
+	return child;
+}
+
+void ParserElement::appendCharacterData(const std::string& data) {
+	text_ += data;
+}
+
+std::string ParserElement::getText() {
+	return text_;
+}
+
+std::string ParserElement::getName() {
+	return name_;
+}
+
+std::string ParserElement::getNamespace() {
+	return xmlns_;
+}
+
+struct DoesntMatch {
+	public:
+		DoesntMatch(const std::string& tagName, const std::string& ns) : tagName(tagName), ns(ns) {}
+		bool operator()(ParserElement::ref element) { return element->getName() != tagName || element->getNamespace() != ns; }
+	private:
+		std::string tagName;
+		std::string ns;
+};
+
+
+std::vector<ParserElement::ref> ParserElement::getChildren(const std::string& name, const std::string& xmlns) {
+	std::vector<ParserElement::ref> result;
+	std::remove_copy_if(children_.begin(), children_.end(), std::back_inserter(result), DoesntMatch(name, xmlns));
+	return result;
+}
+
+ParserElement::ref ParserElement::getChild(const std::string& name, const std::string& xmlns) {
+	std::vector<ParserElement::ref> results = getChildren(name, xmlns);
+	boost::shared_ptr<NullParserElement> nullParser = boost::make_shared<NullParserElement>();
+	ParserElement::ref result = results.empty() ? boost::dynamic_pointer_cast<ParserElement>(nullParser) : results[0];
+	return result;
+}
+
+}
diff --git a/Swiften/Parser/Tree/ParserElement.h b/Swiften/Parser/Tree/ParserElement.h
new file mode 100644
index 0000000..ddf67fa
--- /dev/null
+++ b/Swiften/Parser/Tree/ParserElement.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2011 Kevin Smith
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+
+#pragma once
+
+#include <string>
+#include <vector>
+#include <Swiften/Base/boost_bsignals.h>
+#include <Swiften/Parser/AttributeMap.h>
+#include <boost/shared_ptr.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
+
+namespace Swift {
+class ParserElement {
+	public:
+		typedef boost::shared_ptr<ParserElement> ref;
+		ParserElement(const std::string& name, const std::string& xmlns, const AttributeMap& attributes);
+		virtual ~ParserElement();
+		virtual operator bool();
+		ParserElement::ref addChild(const std::string& name, const std::string& xmlns, const AttributeMap& attributes);
+		void appendCharacterData(const std::string& data);
+		std::string getText();
+		std::string getName();
+		std::string getNamespace();
+		std::vector<ParserElement::ref> getChildren(const std::string& name, const std::string& xmlns);
+		ParserElement::ref getChild(const std::string& name, const std::string& xmlns);
+		const AttributeMap& getAttributes() const {return attributes_;}
+	private:
+		std::vector<ParserElement::ref> children_;
+		std::string name_;
+		std::string xmlns_;
+		AttributeMap attributes_;
+		std::string text_;
+
+};
+
+}