Adding upstream version 2.13.6.upstream/2.13.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 719 insertions, 0 deletions

diff --git a/lib/base/value-operators.cpp b/lib/base/value-operators.cpp
new file mode 100644
index 0000000..69974d0
--- /dev/null
+++ b/lib/base/value-operators.cpp
@@ -0,0 +1,719 @@
+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#include "base/value.hpp"
+#include "base/array.hpp"
+#include "base/dictionary.hpp"
+#include "base/datetime.hpp"
+#include "base/convert.hpp"
+#include "base/utility.hpp"
+#include "base/objectlock.hpp"
+#include <boost/lexical_cast.hpp>
+
+using namespace icinga;
+
+Value::operator double() const
+{
+	const double *value = boost::get<double>(&m_Value);
+
+	if (value)
+		return *value;
+
+	const bool *fvalue = boost::get<bool>(&m_Value);
+
+	if (fvalue)
+		return *fvalue;
+
+	if (IsEmpty())
+		return 0;
+
+	try {
+		return boost::lexical_cast<double>(m_Value);
+	} catch (const std::exception&) {
+		std::ostringstream msgbuf;
+		msgbuf << "Can't convert '" << *this << "' to a floating point number.";
+		BOOST_THROW_EXCEPTION(std::invalid_argument(msgbuf.str()));
+	}
+}
+
+Value::operator String() const
+{
+	Object *object;
+
+	switch (GetType()) {
+		case ValueEmpty:
+			return String();
+		case ValueNumber:
+			return Convert::ToString(boost::get<double>(m_Value));
+		case ValueBoolean:
+			if (boost::get<bool>(m_Value))
+				return "true";
+			else
+				return "false";
+		case ValueString:
+			return boost::get<String>(m_Value);
+		case ValueObject:
+			object = boost::get<Object::Ptr>(m_Value).get();
+			return object->ToString();
+		default:
+			BOOST_THROW_EXCEPTION(std::runtime_error("Unknown value type."));
+	}
+}
+
+std::ostream& icinga::operator<<(std::ostream& stream, const Value& value)
+{
+	if (value.IsBoolean())
+		stream << static_cast<int>(value);
+	else
+		stream << static_cast<String>(value);
+
+	return stream;
+}
+
+std::istream& icinga::operator>>(std::istream& stream, Value& value)
+{
+	String tstr;
+	stream >> tstr;
+	value = tstr;
+	return stream;
+}
+
+bool Value::operator==(bool rhs) const
+{
+	return *this == Value(rhs);
+}
+
+bool Value::operator!=(bool rhs) const
+{
+	return !(*this == rhs);
+}
+
+bool Value::operator==(int rhs) const
+{
+	return *this == Value(rhs);
+}
+
+bool Value::operator!=(int rhs) const
+{
+	return !(*this == rhs);
+}
+
+bool Value::operator==(double rhs) const
+{
+	return *this == Value(rhs);
+}
+
+bool Value::operator!=(double rhs) const
+{
+	return !(*this == rhs);
+}
+
+bool Value::operator==(const char *rhs) const
+{
+	return static_cast<String>(*this) == rhs;
+}
+
+bool Value::operator!=(const char *rhs) const
+{
+	return !(*this == rhs);
+}
+
+bool Value::operator==(const String& rhs) const
+{
+	return static_cast<String>(*this) == rhs;
+}
+
+bool Value::operator!=(const String& rhs) const
+{
+	return !(*this == rhs);
+}
+
+bool Value::operator==(const Value& rhs) const
+{
+	if (IsNumber() && rhs.IsNumber())
+		return Get<double>() == rhs.Get<double>();
+	else if ((IsBoolean() || IsNumber()) && (rhs.IsBoolean() || rhs.IsNumber()) && !(IsEmpty() && rhs.IsEmpty()))
+		return static_cast<double>(*this) == static_cast<double>(rhs);
+
+	if (IsString() && rhs.IsString())
+		return Get<String>() == rhs.Get<String>();
+	else if ((IsString() || IsEmpty()) && (rhs.IsString() || rhs.IsEmpty()) && !(IsEmpty() && rhs.IsEmpty()))
+		return static_cast<String>(*this) == static_cast<String>(rhs);
+
+	if (IsEmpty() != rhs.IsEmpty())
+		return false;
+
+	if (IsEmpty())
+		return true;
+
+	if (IsObject() != rhs.IsObject())
+		return false;
+
+	if (IsObject()) {
+		if (IsObjectType<DateTime>() && rhs.IsObjectType<DateTime>()) {
+			DateTime::Ptr dt1 = *this;
+			DateTime::Ptr dt2 = rhs;
+
+			return dt1->GetValue() == dt2->GetValue();
+		}
+
+		if (IsObjectType<Array>() && rhs.IsObjectType<Array>()) {
+			Array::Ptr arr1 = *this;
+			Array::Ptr arr2 = rhs;
+
+			if (arr1 == arr2)
+				return true;
+
+			if (arr1->GetLength() != arr2->GetLength())
+				return false;
+
+			for (Array::SizeType i = 0; i < arr1->GetLength(); i++) {
+				if (arr1->Get(i) != arr2->Get(i))
+					return false;
+			}
+
+			return true;
+		}
+
+		return Get<Object::Ptr>() == rhs.Get<Object::Ptr>();
+	}
+
+	return false;
+}
+
+bool Value::operator!=(const Value& rhs) const
+{
+	return !(*this == rhs);
+}
+
+Value icinga::operator+(const Value& lhs, const char *rhs)
+{
+	return lhs + Value(rhs);
+}
+
+Value icinga::operator+(const char *lhs, const Value& rhs)
+{
+	return Value(lhs) + rhs;
+}
+
+Value icinga::operator+(const Value& lhs, const String& rhs)
+{
+	return lhs + Value(rhs);
+}
+
+Value icinga::operator+(const String& lhs, const Value& rhs)
+{
+	return Value(lhs) + rhs;
+}
+
+Value icinga::operator+(const Value& lhs, const Value& rhs)
+{
+	if ((lhs.IsEmpty() || lhs.IsNumber()) && !lhs.IsString() && (rhs.IsEmpty() || rhs.IsNumber()) && !rhs.IsString() && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return static_cast<double>(lhs) + static_cast<double>(rhs);
+	if ((lhs.IsString() || lhs.IsEmpty() || lhs.IsNumber()) && (rhs.IsString() || rhs.IsEmpty() || rhs.IsNumber()) && (!(lhs.IsEmpty() && rhs.IsEmpty()) || lhs.IsString() || rhs.IsString()))
+		return static_cast<String>(lhs) + static_cast<String>(rhs);
+	else if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return static_cast<double>(lhs) + static_cast<double>(rhs);
+	else if (lhs.IsObjectType<DateTime>() && rhs.IsNumber())
+		return new DateTime(Convert::ToDateTimeValue(lhs) + rhs);
+	else if ((lhs.IsObjectType<Array>() || lhs.IsEmpty()) && (rhs.IsObjectType<Array>() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty())) {
+		Array::Ptr result = new Array();
+		if (!lhs.IsEmpty())
+			static_cast<Array::Ptr>(lhs)->CopyTo(result);
+		if (!rhs.IsEmpty())
+			static_cast<Array::Ptr>(rhs)->CopyTo(result);
+		return result;
+	} else if ((lhs.IsObjectType<Dictionary>() || lhs.IsEmpty()) && (rhs.IsObjectType<Dictionary>() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty())) {
+		Dictionary::Ptr result = new Dictionary();
+		if (!lhs.IsEmpty())
+			static_cast<Dictionary::Ptr>(lhs)->CopyTo(result);
+		if (!rhs.IsEmpty())
+			static_cast<Dictionary::Ptr>(rhs)->CopyTo(result);
+		return result;
+	} else {
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Operator + cannot be applied to values of type '" + lhs.GetTypeName() + "' and '" + rhs.GetTypeName() + "'"));
+	}
+}
+
+Value icinga::operator+(const Value& lhs, double rhs)
+{
+	return lhs + Value(rhs);
+}
+
+Value icinga::operator+(double lhs, const Value& rhs)
+{
+	return Value(lhs) + rhs;
+}
+
+Value icinga::operator+(const Value& lhs, int rhs)
+{
+	return lhs + Value(rhs);
+}
+
+Value icinga::operator+(int lhs, const Value& rhs)
+{
+	return Value(lhs) + rhs;
+}
+
+Value icinga::operator-(const Value& lhs, const Value& rhs)
+{
+	if ((lhs.IsNumber() || lhs.IsEmpty()) && !lhs.IsString() && (rhs.IsNumber() || rhs.IsEmpty()) && !rhs.IsString() && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return static_cast<double>(lhs) - static_cast<double>(rhs);
+	else if (lhs.IsObjectType<DateTime>() && rhs.IsNumber())
+		return new DateTime(Convert::ToDateTimeValue(lhs) - rhs);
+	else if (lhs.IsObjectType<DateTime>() && rhs.IsObjectType<DateTime>())
+		return Convert::ToDateTimeValue(lhs) - Convert::ToDateTimeValue(rhs);
+	else if ((lhs.IsObjectType<DateTime>() || lhs.IsEmpty()) && (rhs.IsObjectType<DateTime>() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return new DateTime(Convert::ToDateTimeValue(lhs) - Convert::ToDateTimeValue(rhs));
+	else if ((lhs.IsObjectType<Array>() || lhs.IsEmpty()) && (rhs.IsObjectType<Array>() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty())) {
+		if (lhs.IsEmpty())
+			return new Array();
+
+		ArrayData result;
+		Array::Ptr left = lhs;
+		Array::Ptr right = rhs;
+
+		ObjectLock olock(left);
+		for (const Value& lv : left) {
+			bool found = false;
+			ObjectLock xlock(right);
+			for (const Value& rv : right) {
+				if (lv == rv) {
+					found = true;
+					break;
+				}
+			}
+
+			if (found)
+				continue;
+
+			result.push_back(lv);
+		}
+
+		return new Array(std::move(result));
+	} else
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Operator - cannot be applied to values of type '" + lhs.GetTypeName() + "' and '" + rhs.GetTypeName() + "'"));
+}
+
+Value icinga::operator-(const Value& lhs, double rhs)
+{
+	return lhs - Value(rhs);
+}
+
+Value icinga::operator-(double lhs, const Value& rhs)
+{
+	return Value(lhs) - rhs;
+}
+
+Value icinga::operator-(const Value& lhs, int rhs)
+{
+	return lhs - Value(rhs);
+}
+
+Value icinga::operator-(int lhs, const Value& rhs)
+{
+	return Value(lhs) - rhs;
+}
+
+Value icinga::operator*(const Value& lhs, const Value& rhs)
+{
+	if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return static_cast<double>(lhs) * static_cast<double>(rhs);
+	else
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Operator * cannot be applied to values of type '" + lhs.GetTypeName() + "' and '" + rhs.GetTypeName() + "'"));
+}
+
+Value icinga::operator*(const Value& lhs, double rhs)
+{
+	return lhs * Value(rhs);
+}
+
+Value icinga::operator*(double lhs, const Value& rhs)
+{
+	return Value(lhs) * rhs;
+}
+
+Value icinga::operator*(const Value& lhs, int rhs)
+{
+	return lhs * Value(rhs);
+}
+
+Value icinga::operator*(int lhs, const Value& rhs)
+{
+	return Value(lhs) * rhs;
+}
+
+Value icinga::operator/(const Value& lhs, const Value& rhs)
+{
+	if (rhs.IsEmpty())
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Right-hand side argument for operator / is Empty."));
+	else if ((lhs.IsEmpty() || lhs.IsNumber()) && rhs.IsNumber()) {
+		if (static_cast<double>(rhs) == 0)
+			BOOST_THROW_EXCEPTION(std::invalid_argument("Right-hand side argument for operator / is 0."));
+
+		return static_cast<double>(lhs) / static_cast<double>(rhs);
+	} else
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Operator / cannot be applied to values of type '" + lhs.GetTypeName() + "' and '" + rhs.GetTypeName() + "'"));
+}
+
+Value icinga::operator/(const Value& lhs, double rhs)
+{
+	return lhs / Value(rhs);
+}
+
+Value icinga::operator/(double lhs, const Value& rhs)
+{
+	return Value(lhs) / rhs;
+}
+
+Value icinga::operator/(const Value& lhs, int rhs)
+{
+	return lhs / Value(rhs);
+}
+
+Value icinga::operator/(int lhs, const Value& rhs)
+{
+	return Value(lhs) / rhs;
+}
+
+Value icinga::operator%(const Value& lhs, const Value& rhs)
+{
+	if (rhs.IsEmpty())
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Right-hand side argument for operator % is Empty."));
+	else if ((rhs.IsNumber() || lhs.IsNumber()) && rhs.IsNumber()) {
+		if (static_cast<double>(rhs) == 0)
+			BOOST_THROW_EXCEPTION(std::invalid_argument("Right-hand side argument for operator % is 0."));
+
+		return static_cast<int>(lhs) % static_cast<int>(rhs);
+	} else
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Operator % cannot be applied to values of type '" + lhs.GetTypeName() + "' and '" + rhs.GetTypeName() + "'"));
+}
+
+Value icinga::operator%(const Value& lhs, double rhs)
+{
+	return lhs % Value(rhs);
+}
+
+Value icinga::operator%(double lhs, const Value& rhs)
+{
+	return Value(lhs) % rhs;
+}
+
+Value icinga::operator%(const Value& lhs, int rhs)
+{
+	return lhs % Value(rhs);
+}
+
+Value icinga::operator%(int lhs, const Value& rhs)
+{
+	return Value(lhs) % rhs;
+}
+
+Value icinga::operator^(const Value& lhs, const Value& rhs)
+{
+	if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return static_cast<int>(lhs) ^ static_cast<int>(rhs);
+	else
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Operator & cannot be applied to values of type '" + lhs.GetTypeName() + "' and '" + rhs.GetTypeName() + "'"));
+}
+
+Value icinga::operator^(const Value& lhs, double rhs)
+{
+	return lhs ^ Value(rhs);
+}
+
+Value icinga::operator^(double lhs, const Value& rhs)
+{
+	return Value(lhs) ^ rhs;
+}
+
+Value icinga::operator^(const Value& lhs, int rhs)
+{
+	return lhs ^ Value(rhs);
+}
+
+Value icinga::operator^(int lhs, const Value& rhs)
+{
+	return Value(lhs) ^ rhs;
+}
+
+Value icinga::operator&(const Value& lhs, const Value& rhs)
+{
+	if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return static_cast<int>(lhs) & static_cast<int>(rhs);
+	else
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Operator & cannot be applied to values of type '" + lhs.GetTypeName() + "' and '" + rhs.GetTypeName() + "'"));
+}
+
+Value icinga::operator&(const Value& lhs, double rhs)
+{
+	return lhs & Value(rhs);
+}
+
+Value icinga::operator&(double lhs, const Value& rhs)
+{
+	return Value(lhs) & rhs;
+}
+
+Value icinga::operator&(const Value& lhs, int rhs)
+{
+	return lhs & Value(rhs);
+}
+
+Value icinga::operator&(int lhs, const Value& rhs)
+{
+	return Value(lhs) & rhs;
+}
+
+Value icinga::operator|(const Value& lhs, const Value& rhs)
+{
+	if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return static_cast<int>(lhs) | static_cast<int>(rhs);
+	else
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Operator | cannot be applied to values of type '" + lhs.GetTypeName() + "' and '" + rhs.GetTypeName() + "'"));
+}
+
+Value icinga::operator|(const Value& lhs, double rhs)
+{
+	return lhs | Value(rhs);
+}
+
+Value icinga::operator|(double lhs, const Value& rhs)
+{
+	return Value(lhs) | rhs;
+}
+
+Value icinga::operator|(const Value& lhs, int rhs)
+{
+	return lhs | Value(rhs);
+}
+
+Value icinga::operator|(int lhs, const Value& rhs)
+{
+	return Value(lhs) | rhs;
+}
+
+Value icinga::operator<<(const Value& lhs, const Value& rhs)
+{
+	if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return static_cast<int>(lhs) << static_cast<int>(rhs);
+	else
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Operator << cannot be applied to values of type '" + lhs.GetTypeName() + "' and '" + rhs.GetTypeName() + "'"));
+}
+
+Value icinga::operator<<(const Value& lhs, double rhs)
+{
+	return lhs << Value(rhs);
+}
+
+Value icinga::operator<<(double lhs, const Value& rhs)
+{
+	return Value(lhs) << rhs;
+}
+
+Value icinga::operator<<(const Value& lhs, int rhs)
+{
+	return lhs << Value(rhs);
+}
+
+Value icinga::operator<<(int lhs, const Value& rhs)
+{
+	return Value(lhs) << rhs;
+}
+
+Value icinga::operator>>(const Value& lhs, const Value& rhs)
+{
+	if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return static_cast<int>(lhs) >> static_cast<int>(rhs);
+	else
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Operator >> cannot be applied to values of type '" + lhs.GetTypeName() + "' and '" + rhs.GetTypeName() + "'"));
+}
+
+Value icinga::operator>>(const Value& lhs, double rhs)
+{
+	return lhs >> Value(rhs);
+}
+
+Value icinga::operator>>(double lhs, const Value& rhs)
+{
+	return Value(lhs) >> rhs;
+}
+
+Value icinga::operator>>(const Value& lhs, int rhs)
+{
+	return lhs >> Value(rhs);
+}
+
+Value icinga::operator>>(int lhs, const Value& rhs)
+{
+	return Value(lhs) >> rhs;
+}
+
+bool icinga::operator<(const Value& lhs, const Value& rhs)
+{
+	if (lhs.IsString() && rhs.IsString())
+		return static_cast<String>(lhs) < static_cast<String>(rhs);
+	else if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return static_cast<double>(lhs) < static_cast<double>(rhs);
+	else if ((lhs.IsObjectType<DateTime>() || lhs.IsEmpty()) && (rhs.IsObjectType<DateTime>() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return Convert::ToDateTimeValue(lhs) < Convert::ToDateTimeValue(rhs);
+	else if (lhs.IsObjectType<Array>() && rhs.IsObjectType<Array>()) {
+		Array::Ptr larr = lhs;
+		Array::Ptr rarr = rhs;
+
+		ObjectLock llock(larr);
+		ObjectLock rlock(rarr);
+
+		Array::SizeType llen = larr->GetLength();
+		Array::SizeType rlen = rarr->GetLength();
+
+		for (Array::SizeType i = 0; i < std::max(llen, rlen); i++) {
+			Value lval = (i >= llen) ? Empty : larr->Get(i);
+			Value rval = (i >= rlen) ? Empty : rarr->Get(i);
+
+			if (lval < rval)
+				return true;
+			else if (lval > rval)
+				return false;
+		}
+
+		return false;
+	} else
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Operator < cannot be applied to values of type '" + lhs.GetTypeName() + "' and '" + rhs.GetTypeName() + "'"));
+}
+
+bool icinga::operator<(const Value& lhs, double rhs)
+{
+	return lhs < Value(rhs);
+}
+
+bool icinga::operator<(double lhs, const Value& rhs)
+{
+	return Value(lhs) < rhs;
+}
+
+bool icinga::operator<(const Value& lhs, int rhs)
+{
+	return lhs < Value(rhs);
+}
+
+bool icinga::operator<(int lhs, const Value& rhs)
+{
+	return Value(lhs) < rhs;
+}
+
+bool icinga::operator>(const Value& lhs, const Value& rhs)
+{
+	if (lhs.IsString() && rhs.IsString())
+		return static_cast<String>(lhs) > static_cast<String>(rhs);
+	else if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return static_cast<double>(lhs) > static_cast<double>(rhs);
+	else if ((lhs.IsObjectType<DateTime>() || lhs.IsEmpty()) && (rhs.IsObjectType<DateTime>() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return Convert::ToDateTimeValue(lhs) > Convert::ToDateTimeValue(rhs);
+	else if (lhs.IsObjectType<Array>() && rhs.IsObjectType<Array>()) {
+		Array::Ptr larr = lhs;
+		Array::Ptr rarr = rhs;
+
+		ObjectLock llock(larr);
+		ObjectLock rlock(rarr);
+
+		Array::SizeType llen = larr->GetLength();
+		Array::SizeType rlen = rarr->GetLength();
+
+		for (Array::SizeType i = 0; i < std::max(llen, rlen); i++) {
+			Value lval = (i >= llen) ? Empty : larr->Get(i);
+			Value rval = (i >= rlen) ? Empty : rarr->Get(i);
+
+			if (lval > rval)
+				return true;
+			else if (lval < rval)
+				return false;
+		}
+
+		return false;
+	} else
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Operator > cannot be applied to values of type '" + lhs.GetTypeName() + "' and '" + rhs.GetTypeName() + "'"));
+}
+
+bool icinga::operator>(const Value& lhs, double rhs)
+{
+	return lhs > Value(rhs);
+}
+
+bool icinga::operator>(double lhs, const Value& rhs)
+{
+	return Value(lhs) > rhs;
+}
+
+bool icinga::operator>(const Value& lhs, int rhs)
+{
+	return lhs > Value(rhs);
+}
+
+bool icinga::operator>(int lhs, const Value& rhs)
+{
+	return Value(lhs) > rhs;
+}
+
+bool icinga::operator<=(const Value& lhs, const Value& rhs)
+{
+	if (lhs.IsString() && rhs.IsString())
+		return static_cast<String>(lhs) <= static_cast<String>(rhs);
+	else if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return static_cast<double>(lhs) <= static_cast<double>(rhs);
+	else if ((lhs.IsObjectType<DateTime>() || lhs.IsEmpty()) && (rhs.IsObjectType<DateTime>() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return Convert::ToDateTimeValue(lhs) <= Convert::ToDateTimeValue(rhs);
+	else
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Operator <= cannot be applied to values of type '" + lhs.GetTypeName() + "' and '" + rhs.GetTypeName() + "'"));
+}
+
+bool icinga::operator<=(const Value& lhs, double rhs)
+{
+	return lhs <= Value(rhs);
+}
+
+bool icinga::operator<=(double lhs, const Value& rhs)
+{
+	return Value(lhs) <= rhs;
+}
+
+bool icinga::operator<=(const Value& lhs, int rhs)
+{
+	return lhs <= Value(rhs);
+}
+
+bool icinga::operator<=(int lhs, const Value& rhs)
+{
+	return Value(lhs) <= rhs;
+}
+
+bool icinga::operator>=(const Value& lhs, const Value& rhs)
+{
+	if (lhs.IsString() && rhs.IsString())
+		return static_cast<String>(lhs) >= static_cast<String>(rhs);
+	else if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return static_cast<double>(lhs) >= static_cast<double>(rhs);
+	else if ((lhs.IsObjectType<DateTime>() || lhs.IsEmpty()) && (rhs.IsObjectType<DateTime>() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty()))
+		return Convert::ToDateTimeValue(lhs) >= Convert::ToDateTimeValue(rhs);
+	else
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Operator >= cannot be applied to values of type '" + lhs.GetTypeName() + "' and '" + rhs.GetTypeName() + "'"));
+}
+
+bool icinga::operator>=(const Value& lhs, double rhs)
+{
+	return lhs >= Value(rhs);
+}
+
+bool icinga::operator>=(double lhs, const Value& rhs)
+{
+	return Value(lhs) >= rhs;
+}
+
+bool icinga::operator>=(const Value& lhs, int rhs)
+{
+	return lhs >= Value(rhs);
+}
+
+bool icinga::operator>=(int lhs, const Value& rhs)
+{
+	return Value(lhs) >= rhs;
+}