1 files changed, 243 insertions, 0 deletions
diff --git a/src/uscxml/messages/Data.h b/src/uscxml/messages/Data.h
new file mode 100644
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--- /dev/null
+++ b/src/uscxml/messages/Data.h
@@ -0,0 +1,243 @@
+/**
+ *  @file
+ *  @author     2012-2014 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
+ *  @copyright  Simplified BSD
+ *
+ *  @cond
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the FreeBSD license as published by the FreeBSD
+ *  project.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *  You should have received a copy of the FreeBSD license along with this
+ *  program. If not, see <http://www.opensource.org/licenses/bsd-license>.
+ *  @endcond
+ */
+
+#ifndef DATA_H_09E4D8E5
+#define DATA_H_09E4D8E5
+
+#include <list>
+#include <map>
+
+#include <boost/shared_ptr.hpp>
+
+#include "uscxml/Common.h"
+#include "uscxml/Convenience.h"
+#include <DOM/Document.hpp>
+
+namespace uscxml {
+
+class Blob;
+
+static int _dataIndentation = 1;
+
+class USCXML_API Data {
+public:
+	enum Type {
+		VERBATIM,
+		INTERPRETED,
+	};
+
+	Data() : type(INTERPRETED) {}
+
+	// TODO: default INTERPRETED is unfortunate
+	Data(const std::string& atom_, Type type_ = INTERPRETED) : atom(atom_), type(type_) {}
+	Data(const char* data, size_t size, const std::string& mimeType, bool adopt = false);
+
+	// convenience constructors
+	Data(short atom_) : atom(toStr(atom_)), type(INTERPRETED) {}
+	Data(int atom_) : atom(toStr(atom_)), type(INTERPRETED) {}
+	Data(unsigned int atom_) : atom(toStr(atom_)), type(INTERPRETED) {}
+	Data(long atom_) : atom(toStr(atom_)), type(INTERPRETED) {}
+	Data(unsigned long atom_) : atom(toStr(atom_)), type(INTERPRETED) {}
+	Data(float atom_) : atom(toStr(atom_)), type(INTERPRETED) {}
+	Data(double atom_) : atom(toStr(atom_)), type(INTERPRETED) {}
+	Data(bool atom_) : type(INTERPRETED) {
+		if (atom_) {
+			atom = "true";
+		} else {
+			atom = "false";
+		}
+	}
+
+	template <typename T> Data(T value, Type type_) : atom(toStr(value)), type(type_) {}
+
+#if 0
+	// constructor for arbitrary types, skip if type is subclass though (C++11)
+	// we will have to drop this constructor as it interferes with operator Data() and entails C++11
+	template <typename T>
+	Data(T value, typename std::enable_if<! std::is_base_of<Data, T>::value>::type* = nullptr)
+		: atom(toStr(value)), type(INTERPRETED) {}
+#endif
+
+
+	explicit Data(const Arabica::DOM::Node<std::string>& dom);
+	virtual ~Data() {}
+
+	bool empty() const {
+		bool hasContent = (atom.length() > 0 || !compound.empty() || !array.empty() || binary || node);
+		return !hasContent;
+	}
+
+	bool operator<(const Data& other) const {
+		std::string thisJSON = Data::toJSON(*this);
+		std::string otherJSON = Data::toJSON(other);
+		return (thisJSON < otherJSON);
+	}
+
+	void merge(const Data& other);
+
+	bool hasKey(const std::string& key) const {
+		return (!compound.empty() && compound.find(key) != compound.end());
+	}
+
+	Data& operator[](const std::string& key) {
+		return operator[](key.c_str());
+	}
+
+	const Data& operator[](const std::string& key) const {
+		return operator[](key.c_str());
+	}
+
+	Data& operator[](const char* key) {
+		return compound[key];
+	}
+
+	const Data& operator[](const char* key) const {
+		return compound.at(key);
+	}
+
+	Data& operator[](const size_t index) {
+		while(array.size() < index) {
+			array.push_back(Data("", Data::VERBATIM));
+		}
+		std::list<Data>::iterator arrayIter = array.begin();
+		for (int i = 0; i < index; i++, arrayIter++) {}
+		return *arrayIter;
+	}
+
+	const Data at(const std::string& key) const {
+		return at(key.c_str());
+	}
+
+	const Data at(const char* key) const {
+		if (hasKey(key))
+			return compound.at(key);
+		Data data;
+		return data;
+	}
+
+	const Data item(const size_t index) const {
+		if (array.size() < index) {
+			std::list<Data>::const_iterator arrayIter;
+			for (int i = 0; i < index; i++, arrayIter++) {}
+			return *arrayIter;
+		}
+		Data data;
+		return data;
+	}
+
+	bool operator==(const Data &other) const {
+		if (other.atom.size() != atom.size())
+			return false;
+		if (other.type != type)
+			return false;
+		if (other.binary != binary)
+			return false;
+		if (other.array.size() != array.size())
+			return false;
+		if (other.compound.size() != compound.size())
+			return false;
+
+		if (other.atom != atom)
+			return false;
+		if (other.array != array)
+			return false;
+		if (other.compound != compound)
+			return false;
+		if (other.node != node)
+			return false;
+
+		return true;
+	}
+
+	bool operator!=(const Data &other) const {
+		return !(*this == other);
+	}
+
+	operator std::string() const {
+		return atom;
+	}
+
+	operator std::map<std::string, Data>() {
+		return compound;
+	}
+
+	operator std::list<Data>() {
+		return array;
+	}
+
+	static Data fromJSON(const std::string& jsonString);
+	static std::string toJSON(const Data& data);
+	static Data fromXML(const std::string& xmlString);
+	Arabica::DOM::Document<std::string> toDocument();
+	std::string toXMLString() {
+		std::stringstream ss;
+		ss << toDocument();
+		return ss.str();
+	}
+
+	std::map<std::string, Data> getCompound() {
+		return compound;
+	}
+	void setCompound(const std::map<std::string, Data>& compound) {
+		this->compound = compound;
+	}
+
+	std::list<Data> getArray() {
+		return array;
+	}
+	void setArray(const std::list<Data>& array) {
+		this->array = array;
+	}
+
+	std::string getAtom() {
+		return atom;
+	}
+	void setAtom(const std::string& atom) {
+		this->atom = atom;
+	}
+
+	Type getType() {
+		return type;
+	}
+	void setType(const Type type) {
+		this->type = type;
+	}
+
+
+#ifdef SWIGIMPORTED
+protected:
+#endif
+
+	Arabica::DOM::Node<std::string> node;
+	std::map<std::string, Data> compound;
+	std::list<Data> array;
+	std::string atom;
+	boost::shared_ptr<Blob> binary;
+	Type type;
+
+protected:
+	Arabica::DOM::Document<std::string> toNode(const Arabica::DOM::Document<std::string>& factory, const Data& data);
+	friend USCXML_API std::ostream& operator<< (std::ostream& os, const Data& data);
+};
+
+USCXML_API std::ostream& operator<< (std::ostream& os, const Data& data);
+
+}
+
+#endif /* end of include guard: DATA_H_09E4D8E5 */