From 56ae875861ab260b80a030f50c4aff9f9dc8fff0 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 13 Apr 2024 13:32:39 +0200 Subject: Adding upstream version 2.14.2. Signed-off-by: Daniel Baumann --- lib/base/value-operators.cpp | 719 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 719 insertions(+) create mode 100644 lib/base/value-operators.cpp (limited to 'lib/base/value-operators.cpp') diff --git a/lib/base/value-operators.cpp b/lib/base/value-operators.cpp new file mode 100644 index 0000000..d00c3e2 --- /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 + +using namespace icinga; + +Value::operator double() const +{ + const double *value = boost::get(&m_Value); + + if (value) + return *value; + + const bool *fvalue = boost::get(&m_Value); + + if (fvalue) + return *fvalue; + + if (IsEmpty()) + return 0; + + try { + return boost::lexical_cast(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(m_Value)); + case ValueBoolean: + if (boost::get(m_Value)) + return "true"; + else + return "false"; + case ValueString: + return boost::get(m_Value); + case ValueObject: + object = boost::get(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(value); + else + stream << static_cast(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(*this) == rhs; +} + +bool Value::operator!=(const char *rhs) const +{ + return !(*this == rhs); +} + +bool Value::operator==(const String& rhs) const +{ + return static_cast(*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() == rhs.Get(); + else if ((IsBoolean() || IsNumber()) && (rhs.IsBoolean() || rhs.IsNumber()) && !(IsEmpty() && rhs.IsEmpty())) + return static_cast(*this) == static_cast(rhs); + + if (IsString() && rhs.IsString()) + return Get() == rhs.Get(); + else if ((IsString() || IsEmpty()) && (rhs.IsString() || rhs.IsEmpty()) && !(IsEmpty() && rhs.IsEmpty())) + return static_cast(*this) == static_cast(rhs); + + if (IsEmpty() != rhs.IsEmpty()) + return false; + + if (IsEmpty()) + return true; + + if (IsObject() != rhs.IsObject()) + return false; + + if (IsObject()) { + if (IsObjectType() && rhs.IsObjectType()) { + DateTime::Ptr dt1 = *this; + DateTime::Ptr dt2 = rhs; + + return dt1->GetValue() == dt2->GetValue(); + } + + if (IsObjectType() && rhs.IsObjectType()) { + 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() == rhs.Get(); + } + + 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(lhs) + static_cast(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(lhs) + static_cast(rhs); + else if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty())) + return static_cast(lhs) + static_cast(rhs); + else if (lhs.IsObjectType() && rhs.IsNumber()) + return new DateTime(Convert::ToDateTimeValue(lhs) + rhs); + else if ((lhs.IsObjectType() || lhs.IsEmpty()) && (rhs.IsObjectType() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty())) { + Array::Ptr result = new Array(); + if (!lhs.IsEmpty()) + static_cast(lhs)->CopyTo(result); + if (!rhs.IsEmpty()) + static_cast(rhs)->CopyTo(result); + return result; + } else if ((lhs.IsObjectType() || lhs.IsEmpty()) && (rhs.IsObjectType() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty())) { + Dictionary::Ptr result = new Dictionary(); + if (!lhs.IsEmpty()) + static_cast(lhs)->CopyTo(result); + if (!rhs.IsEmpty()) + static_cast(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(lhs) - static_cast(rhs); + else if (lhs.IsObjectType() && rhs.IsNumber()) + return new DateTime(Convert::ToDateTimeValue(lhs) - rhs); + else if (lhs.IsObjectType() && rhs.IsObjectType()) + return Convert::ToDateTimeValue(lhs) - Convert::ToDateTimeValue(rhs); + else if ((lhs.IsObjectType() || lhs.IsEmpty()) && (rhs.IsObjectType() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty())) + return new DateTime(Convert::ToDateTimeValue(lhs) - Convert::ToDateTimeValue(rhs)); + else if ((lhs.IsObjectType() || lhs.IsEmpty()) && (rhs.IsObjectType() || 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(lhs) * static_cast(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(rhs) == 0) + BOOST_THROW_EXCEPTION(std::invalid_argument("Right-hand side argument for operator / is 0.")); + + return static_cast(lhs) / static_cast(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(rhs) == 0) + BOOST_THROW_EXCEPTION(std::invalid_argument("Right-hand side argument for operator % is 0.")); + + return static_cast(lhs) % static_cast(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(lhs) ^ static_cast(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(lhs) & static_cast(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(lhs) | static_cast(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(lhs) << static_cast(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(lhs) >> static_cast(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(lhs) < static_cast(rhs); + else if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty())) + return static_cast(lhs) < static_cast(rhs); + else if ((lhs.IsObjectType() || lhs.IsEmpty()) && (rhs.IsObjectType() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty())) + return Convert::ToDateTimeValue(lhs) < Convert::ToDateTimeValue(rhs); + else if (lhs.IsObjectType() && rhs.IsObjectType()) { + 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(lhs) > static_cast(rhs); + else if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty())) + return static_cast(lhs) > static_cast(rhs); + else if ((lhs.IsObjectType() || lhs.IsEmpty()) && (rhs.IsObjectType() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty())) + return Convert::ToDateTimeValue(lhs) > Convert::ToDateTimeValue(rhs); + else if (lhs.IsObjectType() && rhs.IsObjectType()) { + 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(lhs) <= static_cast(rhs); + else if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty())) + return static_cast(lhs) <= static_cast(rhs); + else if ((lhs.IsObjectType() || lhs.IsEmpty()) && (rhs.IsObjectType() || 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(lhs) >= static_cast(rhs); + else if ((lhs.IsNumber() || lhs.IsEmpty()) && (rhs.IsNumber() || rhs.IsEmpty()) && !(lhs.IsEmpty() && rhs.IsEmpty())) + return static_cast(lhs) >= static_cast(rhs); + else if ((lhs.IsObjectType() || lhs.IsEmpty()) && (rhs.IsObjectType() || 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; +} -- cgit v1.2.3