// // Var.h // // $Id: //poco/svn/Foundation/include/Poco/Var.h#2 $ // // Library: Foundation // Package: Dynamic // Module: Var // // Definition of the Var class. // // Copyright (c) 2007, Applied Informatics Software Engineering GmbH. // and Contributors. // // Permission is hereby granted, free of charge, to any person or organization // obtaining a copy of the software and accompanying documentation covered by // this license (the "Software") to use, reproduce, display, distribute, // execute, and transmit the Software, and to prepare derivative works of the // Software, and to permit third-parties to whom the Software is furnished to // do so, all subject to the following: // // The copyright notices in the Software and this entire statement, including // the above license grant, this restriction and the following disclaimer, // must be included in all copies of the Software, in whole or in part, and // all derivative works of the Software, unless such copies or derivative // works are solely in the form of machine-executable object code generated by // a source language processor. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // #ifndef Foundation_Var_INCLUDED #define Foundation_Var_INCLUDED #include "Poco/Foundation.h" #include "Poco/Format.h" #include "Poco/Dynamic/VarHolder.h" #include namespace Poco { namespace Dynamic { template class Struct; class Foundation_API Var /// Var allows to store data of different types and to convert between these types transparently. /// Var puts forth the best effort to provide intuitive and reasonable conversion semantics and prevent /// unexpected data loss, particularly when performing narrowing or signedness conversions of numeric data types. /// /// An attempt to convert or extract from a non-initialized (“empty”) Var variable shall result /// in an exception being thrown. /// /// Loss of signedness is not allowed for numeric values. This means that if an attempt is made to convert /// the internal value which is a negative signed integer to an unsigned integer type storage, a RangeException is thrown. /// Overflow is not allowed, so if the internal value is a larger number than the target numeric type size can accomodate, /// a RangeException is thrown. /// /// Precision loss, such as in conversion from floating-point types to integers or from double to float on platforms /// where they differ in size (provided internal actual value fits in float min/max range), is allowed. /// /// String truncation is allowed -- it is possible to convert between string and character when string length is /// greater than 1. An empty string gets converted to the char '\0', a non-empty string is truncated to the first character. /// /// Boolean conversion is performed as follows: /// /// A string value "false" (not case sensitive), "0" or "" (empty string) can be converted to a boolean value false, /// any other string not being false by the above criteria evaluates to true (e.g: "hi" -> true). /// Integer 0 values are false, everything else is true. /// Floating point values equal to the minimal FP representation on a given platform are false, everything else is true. /// /// Arithmetic operations with POD types as well as between Var's are supported, subject to following /// limitations: /// /// - for std::string and const char* values, only '+' and '+=' operations are supported /// /// - for integral and floating point numeric values, following operations are supported: /// '+', '+=', '-', '-=', '*', '*=' , '/' and '/=' /// /// - for integral values, following operations are supported: /// prefix and postfix increment (++) and decement (--) /// /// - for all other types, InvalidArgumentException is thrown upon attempt of an arithmetic operation /// /// A Var can be created from and converted to a value of any type for which a specialization of /// VarHolderImpl is available. For supported types, see VarHolder documentation. { public: Var(); /// Creates an empty Var. template Var(const T& val): _pHolder(new VarHolderImpl(val)) /// Creates the Var from the given value. { } Var(const char* pVal); // Convenience constructor for const char* which gets mapped to a std::string internally, i.e. pVal is deep-copied. Var(const Var& other); /// Copy constructor. ~Var(); /// Destroys the Var. void swap(Var& other); /// Swaps the content of the this Var with the other Var. template void convert(T& val) const /// Invoke this method to perform a safe conversion. /// /// Example usage: /// Var any("42"); /// int i; /// any.convert(i); /// /// Throws a RangeException if the value does not fit /// into the result variable. /// Throws a NotImplementedException if conversion is /// not available for the given type. /// Throws InvalidAccessException if Var is empty. { if (!_pHolder) throw InvalidAccessException("Can not convert empty value."); _pHolder->convert(val); } template T convert() const /// Invoke this method to perform a safe conversion. /// /// Example usage: /// Var any("42"); /// int i = any.convert(); /// /// Throws a RangeException if the value does not fit /// into the result variable. /// Throws a NotImplementedException if conversion is /// not available for the given type. /// Throws InvalidAccessException if Var is empty. { if (!_pHolder) throw InvalidAccessException("Can not convert empty value."); if (typeid(T) == _pHolder->type()) return extract(); T result; _pHolder->convert(result); return result; } template operator T () const /// Safe conversion operator for implicit type /// conversions. If the requested type T is same as the /// type being held, the operation performed is direct /// extraction, otherwise it is the conversion of the value /// from type currently held to the one requested. /// /// Throws a RangeException if the value does not fit /// into the result variable. /// Throws a NotImplementedException if conversion is /// not available for the given type. /// Throws InvalidAccessException if Var is empty. { if (!_pHolder) throw InvalidAccessException("Can not convert empty value."); if (typeid(T) == _pHolder->type()) return extract(); else { T result; _pHolder->convert(result); return result; } } template const T& extract() const /// Returns a const reference to the actual value. /// /// Must be instantiated with the exact type of /// the stored value, otherwise a BadCastException /// is thrown. /// Throws InvalidAccessException if Var is empty. { if (_pHolder && _pHolder->type() == typeid(T)) { VarHolderImpl* pHolderImpl = static_cast*>(_pHolder); return pHolderImpl->value(); } else if (!_pHolder) throw InvalidAccessException("Can not extract empty value."); else throw BadCastException(format("Can not convert %s to %s.", _pHolder->type().name(), typeid(T).name())); } template Var& operator = (const T& other) /// Assignment operator for assigning POD to Var { Var tmp(other); swap(tmp); return *this; } bool operator ! () const; /// Logical NOT operator. Var& operator = (const Var& other); /// Assignment operator specialization for Var template const Var operator + (const T& other) const /// Addition operator for adding POD to Var { return convert() + other; } const Var operator + (const Var& other) const; /// Addition operator specialization for Var const Var operator + (const char* other) const; /// Addition operator specialization for adding const char* to Var Var& operator ++ (); /// Pre-increment operator const Var operator ++ (int); /// Post-increment operator Var& operator -- (); /// Pre-decrement operator const Var operator -- (int); /// Post-decrement operator template Var& operator += (const T& other) /// Addition asignment operator for addition/assignment of POD to Var. { return *this = convert() + other; } Var& operator += (const Var& other); /// Addition asignment operator overload for Var Var& operator += (const char* other); /// Addition asignment operator overload for const char* template const Var operator - (const T& other) const /// Subtraction operator for subtracting POD from Var { return convert() - other; } const Var operator - (const Var& other) const; /// Subtraction operator overload for Var template Var& operator -= (const T& other) /// Subtraction asignment operator { return *this = convert() - other; } Var& operator -= (const Var& other); /// Subtraction asignment operator overload for Var template const Var operator * (const T& other) const /// Multiplication operator for multiplying Var with POD { return convert() * other; } const Var operator * (const Var& other) const; /// Multiplication operator overload for Var template Var& operator *= (const T& other) /// Multiplication asignment operator { return *this = convert() * other; } Var& operator *= (const Var& other); /// Multiplication asignment operator overload for Var template const Var operator / (const T& other) const /// Division operator for dividing Var with POD { return convert() / other; } const Var operator / (const Var& other) const; /// Division operator overload for Var template Var& operator /= (const T& other) /// Division asignment operator { return *this = convert() / other; } Var& operator /= (const Var& other); /// Division asignment operator specialization for Var template bool operator == (const T& other) const /// Equality operator { if (isEmpty()) return false; return convert() == other; } bool operator == (const char* other) const; /// Equality operator overload for const char* bool operator == (const Var& other) const; /// Equality operator overload for Var template bool operator != (const T& other) const /// Inequality operator { if (isEmpty()) return true; return convert() != other; } bool operator != (const Var& other) const; /// Inequality operator overload for Var bool operator != (const char* other) const; /// Inequality operator overload for const char* template bool operator < (const T& other) const /// Less than operator { if (isEmpty()) return false; return convert() < other; } bool operator < (const Var& other) const; /// Less than operator overload for Var template bool operator <= (const T& other) const /// Less than or equal operator { if (isEmpty()) return false; return convert() <= other; } bool operator <= (const Var& other) const; /// Less than or equal operator overload for Var template bool operator > (const T& other) const /// Greater than operator { if (isEmpty()) return false; return convert() > other; } bool operator > (const Var& other) const; /// Greater than operator overload for Var template bool operator >= (const T& other) const /// Greater than or equal operator { if (isEmpty()) return false; return convert() >= other; } bool operator >= (const Var& other) const; /// Greater than or equal operator overload for Var template bool operator || (const T& other) const /// Logical OR operator { if (isEmpty()) return false; return convert() || other; } bool operator || (const Var& other) const; /// Logical OR operator operator overload for Var template bool operator && (const T& other) const /// Logical AND operator { if (isEmpty()) return false; return convert() && other; } bool operator && (const Var& other) const; /// Logical AND operator operator overload for Var bool isArray() const; /// Returns true if Var represents a vector bool isStruct() const; /// Returns true if Var represents a struct template Var& operator [] (T n) /// Index operator, only use on Vars where isArray() or isStruct() /// returns true! In all other cases InvalidAccessException is thrown. { if (isArray()) return holderImpl, InvalidAccessException>("Not an array.")->operator[](n); else if (isStruct()) return structIndexOperator(holderImpl, InvalidAccessException>("Not a struct."), static_cast(n)); else throw InvalidAccessException("Must be struct or array."); } template const Var& operator [] (T n) const /// const Index operator, only use on Vars where isArray() or isStruct() /// returns true! In all other cases InvalidAccessException is thrown. { if (isArray()) return holderImpl, InvalidAccessException>("Not an array.")->operator[](n); else if (isStruct()) return structIndexOperator(holderImpl, InvalidAccessException>("Not a struct."), static_cast(n)); else throw InvalidAccessException("Must be struct or array."); } Var& operator [] (const std::string& name); /// Index operator by name, only use on Vars where isStruct /// returns true! In all other cases InvalidAccessException is thrown. const Var& operator [] (const std::string& name) const; /// Index operator by name, only use on Vars where isStruct /// returns true! In all other cases InvalidAccessException is thrown. Var& operator [] (const char* name); /// Index operator by name, only use on Vars where isStruct /// returns true! In all other cases InvalidAccessException is thrown. const Var& operator [] (const char* name) const; /// Index operator by name, only use on Vars where isStruct /// returns true! In all other cases InvalidAccessException is thrown. const std::type_info& type() const; /// Returns the type information of the stored content. void empty(); /// Empties Var. bool isEmpty() const; /// Returns true if empty. bool isInteger() const; /// Returns true if stored value is integer. bool isSigned() const; /// Returns true if stored value is signed. bool isNumeric() const; /// Returns true if stored value is numeric. /// Returns false for numeric strings (e.g. "123" is string, not number) bool isString() const; /// Returns true if stored value is std::string. static Var parse(const std::string& val); /// Parses the string which must be in JSON format static std::string toString(const Var& any); /// Converts the Var to a string in JSON format. Note that toString will return /// a different result than any.convert()! private: static Var parse(const std::string& val, std::string::size_type& offset); /// Parses the string which must be in JSON format static Var parseObject(const std::string& val, std::string::size_type& pos); static Var parseArray(const std::string& val, std::string::size_type& pos); static std::string parseString(const std::string& val, std::string::size_type& pos); static void skipWhiteSpace(const std::string& val, std::string::size_type& pos); template T add(const Var& other) const { return convert() + other.convert(); } template T subtract(const Var& other) const { return convert() - other.convert(); } template T multiply(const Var& other) const { return convert() * other.convert(); } template T divide(const Var& other) const { return convert() / other.convert(); } template VarHolderImpl* holderImpl(const std::string errorMessage = "") const { if (_pHolder && _pHolder->type() == typeid(T)) return static_cast*>(_pHolder); else if (!_pHolder) throw InvalidAccessException("Can not access empty value."); else throw E(errorMessage); } Var& structIndexOperator(VarHolderImpl >* pStr, int n) const; VarHolder* _pHolder; }; /// /// inlines /// /// /// Var members /// inline void Var::swap(Var& ptr) { std::swap(_pHolder, ptr._pHolder); } inline const std::type_info& Var::type() const { return _pHolder ? _pHolder->type() : typeid(void); } inline Var& Var::operator [] (const char* name) { return operator [] (std::string(name)); } inline const Var& Var::operator [] (const char* name) const { return operator [] (std::string(name)); } inline const Var Var::operator + (const char* other) const { return convert() + other; } inline Var& Var::operator += (const char*other) { return *this = convert() + other; } inline bool Var::operator ! () const { return !convert(); } inline bool Var::isEmpty() const { return 0 == _pHolder; } inline bool Var::isArray() const { return _pHolder ? _pHolder->isArray() : false; } inline bool Var::isStruct() const { return _pHolder ? _pHolder->isStruct() : false; } inline bool Var::isInteger() const { return _pHolder ? _pHolder->isInteger() : false; } inline bool Var::isSigned() const { return _pHolder ? _pHolder->isSigned() : false; } inline bool Var::isNumeric() const { return _pHolder ? _pHolder->isNumeric() : false; } inline bool Var::isString() const { return _pHolder ? _pHolder->isString() : false; } /// /// Var non-member functions /// inline const Var operator + (const char* other, const Var& da) /// Addition operator for adding Var to const char* { std::string tmp = other; return tmp + da.convert(); } inline char operator + (const char& other, const Var& da) /// Addition operator for adding Var to char { return other + da.convert(); } inline char operator - (const char& other, const Var& da) /// Subtraction operator for subtracting Var from char { return other - da.convert(); } inline char operator * (const char& other, const Var& da) /// Multiplication operator for multiplying Var with char { return other * da.convert(); } inline char operator / (const char& other, const Var& da) /// Division operator for dividing Var with char { return other / da.convert(); } inline char operator += (char& other, const Var& da) /// Addition asignment operator for adding Var to char { return other += da.convert(); } inline char operator -= (char& other, const Var& da) /// Subtraction asignment operator for subtracting Var from char { return other -= da.convert(); } inline char operator *= (char& other, const Var& da) /// Multiplication asignment operator for multiplying Var with char { return other *= da.convert(); } inline char operator /= (char& other, const Var& da) /// Division asignment operator for dividing Var with char { return other /= da.convert(); } inline bool operator == (const char& other, const Var& da) /// Equality operator for comparing Var with char { if (da.isEmpty()) return false; return other == da.convert(); } inline bool operator != (const char& other, const Var& da) /// Inequality operator for comparing Var with char { if (da.isEmpty()) return true; return other != da.convert(); } inline bool operator < (const char& other, const Var& da) /// Less than operator for comparing Var with char { if (da.isEmpty()) return false; return other < da.convert(); } inline bool operator <= (const char& other, const Var& da) /// Less than or equal operator for comparing Var with char { if (da.isEmpty()) return false; return other <= da.convert(); } inline bool operator > (const char& other, const Var& da) /// Greater than operator for comparing Var with char { if (da.isEmpty())return false; return other > da.convert(); } inline bool operator >= (const char& other, const Var& da) /// Greater than or equal operator for comparing Var with char { if (da.isEmpty())return false; return other >= da.convert(); } inline Poco::Int8 operator + (const Poco::Int8& other, const Var& da) /// Addition operator for adding Var to Poco::Int8 { return other + da.convert(); } inline Poco::Int8 operator - (const Poco::Int8& other, const Var& da) /// Subtraction operator for subtracting Var from Poco::Int8 { return other - da.convert(); } inline Poco::Int8 operator * (const Poco::Int8& other, const Var& da) /// Multiplication operator for multiplying Var with Poco::Int8 { return other * da.convert(); } inline Poco::Int8 operator / (const Poco::Int8& other, const Var& da) /// Division operator for dividing Var with Poco::Int8 { return other / da.convert(); } inline Poco::Int8 operator += (Poco::Int8& other, const Var& da) /// Addition asignment operator for adding Var to Poco::Int8 { return other += da.convert(); } inline Poco::Int8 operator -= (Poco::Int8& other, const Var& da) /// Subtraction asignment operator for subtracting Var from Poco::Int8 { return other -= da.convert(); } inline Poco::Int8 operator *= (Poco::Int8& other, const Var& da) /// Multiplication asignment operator for multiplying Var with Poco::Int8 { return other *= da.convert(); } inline Poco::Int8 operator /= (Poco::Int8& other, const Var& da) /// Division asignment operator for dividing Var with Poco::Int8 { return other /= da.convert(); } inline bool operator == (const Poco::Int8& other, const Var& da) /// Equality operator for comparing Var with Poco::Int8 { if (da.isEmpty()) return false; return other == da.convert(); } inline bool operator != (const Poco::Int8& other, const Var& da) /// Inequality operator for comparing Var with Poco::Int8 { if (da.isEmpty()) return true; return other != da.convert(); } inline bool operator < (const Poco::Int8& other, const Var& da) /// Less than operator for comparing Var with Poco::Int8 { if (da.isEmpty()) return false; return other < da.convert(); } inline bool operator <= (const Poco::Int8& other, const Var& da) /// Less than or equal operator for comparing Var with Poco::Int8 { if (da.isEmpty()) return false; return other <= da.convert(); } inline bool operator > (const Poco::Int8& other, const Var& da) /// Greater than operator for comparing Var with Poco::Int8 { if (da.isEmpty()) return false; return other > da.convert(); } inline bool operator >= (const Poco::Int8& other, const Var& da) /// Greater than or equal operator for comparing Var with Poco::Int8 { if (da.isEmpty()) return false; return other >= da.convert(); } inline Poco::UInt8 operator + (const Poco::UInt8& other, const Var& da) /// Addition operator for adding Var to Poco::UInt8 { return other + da.convert(); } inline Poco::UInt8 operator - (const Poco::UInt8& other, const Var& da) /// Subtraction operator for subtracting Var from Poco::UInt8 { return other - da.convert(); } inline Poco::UInt8 operator * (const Poco::UInt8& other, const Var& da) /// Multiplication operator for multiplying Var with Poco::UInt8 { return other * da.convert(); } inline Poco::UInt8 operator / (const Poco::UInt8& other, const Var& da) /// Division operator for dividing Var with Poco::UInt8 { return other / da.convert(); } inline Poco::UInt8 operator += (Poco::UInt8& other, const Var& da) /// Addition asignment operator for adding Var to Poco::UInt8 { return other += da.convert(); } inline Poco::UInt8 operator -= (Poco::UInt8& other, const Var& da) /// Subtraction asignment operator for subtracting Var from Poco::UInt8 { return other -= da.convert(); } inline Poco::UInt8 operator *= (Poco::UInt8& other, const Var& da) /// Multiplication asignment operator for multiplying Var with Poco::UInt8 { return other *= da.convert(); } inline Poco::UInt8 operator /= (Poco::UInt8& other, const Var& da) /// Division asignment operator for dividing Var with Poco::UInt8 { return other /= da.convert(); } inline bool operator == (const Poco::UInt8& other, const Var& da) /// Equality operator for comparing Var with Poco::UInt8 { if (da.isEmpty()) return false; return other == da.convert(); } inline bool operator != (const Poco::UInt8& other, const Var& da) /// Inequality operator for comparing Var with Poco::UInt8 { if (da.isEmpty()) return true; return other != da.convert(); } inline bool operator < (const Poco::UInt8& other, const Var& da) /// Less than operator for comparing Var with Poco::UInt8 { if (da.isEmpty()) return false; return other < da.convert(); } inline bool operator <= (const Poco::UInt8& other, const Var& da) /// Less than or equal operator for comparing Var with Poco::UInt8 { if (da.isEmpty()) return false; return other <= da.convert(); } inline bool operator > (const Poco::UInt8& other, const Var& da) /// Greater than operator for comparing Var with Poco::UInt8 { if (da.isEmpty()) return false; return other > da.convert(); } inline bool operator >= (const Poco::UInt8& other, const Var& da) /// Greater than or equal operator for comparing Var with Poco::UInt8 { if (da.isEmpty()) return false; return other >= da.convert(); } inline Poco::Int16 operator + (const Poco::Int16& other, const Var& da) /// Addition operator for adding Var to Poco::Int16 { return other + da.convert(); } inline Poco::Int16 operator - (const Poco::Int16& other, const Var& da) /// Subtraction operator for subtracting Var from Poco::Int16 { return other - da.convert(); } inline Poco::Int16 operator * (const Poco::Int16& other, const Var& da) /// Multiplication operator for multiplying Var with Poco::Int16 { return other * da.convert(); } inline Poco::Int16 operator / (const Poco::Int16& other, const Var& da) /// Division operator for dividing Var with Poco::Int16 { return other / da.convert(); } inline Poco::Int16 operator += (Poco::Int16& other, const Var& da) /// Addition asignment operator for adding Var to Poco::Int16 { return other += da.convert(); } inline Poco::Int16 operator -= (Poco::Int16& other, const Var& da) /// Subtraction asignment operator for subtracting Var from Poco::Int16 { return other -= da.convert(); } inline Poco::Int16 operator *= (Poco::Int16& other, const Var& da) /// Multiplication asignment operator for multiplying Var with Poco::Int16 { return other *= da.convert(); } inline Poco::Int16 operator /= (Poco::Int16& other, const Var& da) /// Division asignment operator for dividing Var with Poco::Int16 { return other /= da.convert(); } inline bool operator == (const Poco::Int16& other, const Var& da) /// Equality operator for comparing Var with Poco::Int16 { if (da.isEmpty()) return false; return other == da.convert(); } inline bool operator != (const Poco::Int16& other, const Var& da) /// Inequality operator for comparing Var with Poco::Int16 { if (da.isEmpty()) return true; return other != da.convert(); } inline bool operator < (const Poco::Int16& other, const Var& da) /// Less than operator for comparing Var with Poco::Int16 { if (da.isEmpty()) return false; return other < da.convert(); } inline bool operator <= (const Poco::Int16& other, const Var& da) /// Less than or equal operator for comparing Var with Poco::Int16 { if (da.isEmpty()) return false; return other <= da.convert(); } inline bool operator > (const Poco::Int16& other, const Var& da) /// Greater than operator for comparing Var with Poco::Int16 { if (da.isEmpty()) return false; return other > da.convert(); } inline bool operator >= (const Poco::Int16& other, const Var& da) /// Greater than or equal operator for comparing Var with Poco::Int16 { if (da.isEmpty()) return false; return other >= da.convert(); } inline Poco::UInt16 operator + (const Poco::UInt16& other, const Var& da) /// Addition operator for adding Var to Poco::UInt16 { return other + da.convert(); } inline Poco::UInt16 operator - (const Poco::UInt16& other, const Var& da) /// Subtraction operator for subtracting Var from Poco::UInt16 { return other - da.convert(); } inline Poco::UInt16 operator * (const Poco::UInt16& other, const Var& da) /// Multiplication operator for multiplying Var with Poco::UInt16 { return other * da.convert(); } inline Poco::UInt16 operator / (const Poco::UInt16& other, const Var& da) /// Division operator for dividing Var with Poco::UInt16 { return other / da.convert(); } inline Poco::UInt16 operator += (Poco::UInt16& other, const Var& da) /// Addition asignment operator for adding Var to Poco::UInt16 { return other += da.convert(); } inline Poco::UInt16 operator -= (Poco::UInt16& other, const Var& da) /// Subtraction asignment operator for subtracting Var from Poco::UInt16 { return other -= da.convert(); } inline Poco::UInt16 operator *= (Poco::UInt16& other, const Var& da) /// Multiplication asignment operator for multiplying Var with Poco::UInt16 { return other *= da.convert(); } inline Poco::UInt16 operator /= (Poco::UInt16& other, const Var& da) /// Division asignment operator for dividing Var with Poco::UInt16 { return other /= da.convert(); } inline bool operator == (const Poco::UInt16& other, const Var& da) /// Equality operator for comparing Var with Poco::UInt16 { if (da.isEmpty()) return false; return other == da.convert(); } inline bool operator != (const Poco::UInt16& other, const Var& da) /// Inequality operator for comparing Var with Poco::UInt16 { if (da.isEmpty()) return true; return other != da.convert(); } inline bool operator < (const Poco::UInt16& other, const Var& da) /// Less than operator for comparing Var with Poco::UInt16 { if (da.isEmpty()) return false; return other < da.convert(); } inline bool operator <= (const Poco::UInt16& other, const Var& da) /// Less than or equal operator for comparing Var with Poco::UInt16 { if (da.isEmpty()) return false; return other <= da.convert(); } inline bool operator > (const Poco::UInt16& other, const Var& da) /// Greater than operator for comparing Var with Poco::UInt16 { if (da.isEmpty()) return false; return other > da.convert(); } inline bool operator >= (const Poco::UInt16& other, const Var& da) /// Greater than or equal operator for comparing Var with Poco::UInt16 { if (da.isEmpty()) return false; return other >= da.convert(); } inline Poco::Int32 operator + (const Poco::Int32& other, const Var& da) /// Addition operator for adding Var to Poco::Int32 { return other + da.convert(); } inline Poco::Int32 operator - (const Poco::Int32& other, const Var& da) /// Subtraction operator for subtracting Var from Poco::Int32 { return other - da.convert(); } inline Poco::Int32 operator * (const Poco::Int32& other, const Var& da) /// Multiplication operator for multiplying Var with Poco::Int32 { return other * da.convert(); } inline Poco::Int32 operator / (const Poco::Int32& other, const Var& da) /// Division operator for dividing Var with Poco::Int32 { return other / da.convert(); } inline Poco::Int32 operator += (Poco::Int32& other, const Var& da) /// Addition asignment operator for adding Var to Poco::Int32 { return other += da.convert(); } inline Poco::Int32 operator -= (Poco::Int32& other, const Var& da) /// Subtraction asignment operator for subtracting Var from Poco::Int32 { return other -= da.convert(); } inline Poco::Int32 operator *= (Poco::Int32& other, const Var& da) /// Multiplication asignment operator for multiplying Var with Poco::Int32 { return other *= da.convert(); } inline Poco::Int32 operator /= (Poco::Int32& other, const Var& da) /// Division asignment operator for dividing Var with Poco::Int32 { return other /= da.convert(); } inline bool operator == (const Poco::Int32& other, const Var& da) /// Equality operator for comparing Var with Poco::Int32 { if (da.isEmpty()) return false; return other == da.convert(); } inline bool operator != (const Poco::Int32& other, const Var& da) /// Inequality operator for comparing Var with Poco::Int32 { if (da.isEmpty()) return true; return other != da.convert(); } inline bool operator < (const Poco::Int32& other, const Var& da) /// Less than operator for comparing Var with Poco::Int32 { if (da.isEmpty()) return false; return other < da.convert(); } inline bool operator <= (const Poco::Int32& other, const Var& da) /// Less than or equal operator for comparing Var with Poco::Int32 { if (da.isEmpty()) return false; return other <= da.convert(); } inline bool operator > (const Poco::Int32& other, const Var& da) /// Greater than operator for comparing Var with Poco::Int32 { if (da.isEmpty()) return false; return other > da.convert(); } inline bool operator >= (const Poco::Int32& other, const Var& da) /// Greater than or equal operator for comparing Var with Poco::Int32 { if (da.isEmpty()) return false; return other >= da.convert(); } inline Poco::UInt32 operator + (const Poco::UInt32& other, const Var& da) /// Addition operator for adding Var to Poco::UInt32 { return other + da.convert(); } inline Poco::UInt32 operator - (const Poco::UInt32& other, const Var& da) /// Subtraction operator for subtracting Var from Poco::UInt32 { return other - da.convert(); } inline Poco::UInt32 operator * (const Poco::UInt32& other, const Var& da) /// Multiplication operator for multiplying Var with Poco::UInt32 { return other * da.convert(); } inline Poco::UInt32 operator / (const Poco::UInt32& other, const Var& da) /// Division operator for dividing Var with Poco::UInt32 { return other / da.convert(); } inline Poco::UInt32 operator += (Poco::UInt32& other, const Var& da) /// Addition asignment operator for adding Var to Poco::UInt32 { return other += da.convert(); } inline Poco::UInt32 operator -= (Poco::UInt32& other, const Var& da) /// Subtraction asignment operator for subtracting Var from Poco::UInt32 { return other -= da.convert(); } inline Poco::UInt32 operator *= (Poco::UInt32& other, const Var& da) /// Multiplication asignment operator for multiplying Var with Poco::UInt32 { return other *= da.convert(); } inline Poco::UInt32 operator /= (Poco::UInt32& other, const Var& da) /// Division asignment operator for dividing Var with Poco::UInt32 { return other /= da.convert(); } inline bool operator == (const Poco::UInt32& other, const Var& da) /// Equality operator for comparing Var with Poco::UInt32 { if (da.isEmpty()) return false; return other == da.convert(); } inline bool operator != (const Poco::UInt32& other, const Var& da) /// Inequality operator for comparing Var with Poco::UInt32 { if (da.isEmpty()) return true; return other != da.convert(); } inline bool operator < (const Poco::UInt32& other, const Var& da) /// Less than operator for comparing Var with Poco::UInt32 { if (da.isEmpty()) return false; return other < da.convert(); } inline bool operator <= (const Poco::UInt32& other, const Var& da) /// Less than or equal operator for comparing Var with Poco::UInt32 { if (da.isEmpty()) return false; return other <= da.convert(); } inline bool operator > (const Poco::UInt32& other, const Var& da) /// Greater than operator for comparing Var with Poco::UInt32 { if (da.isEmpty()) return false; return other > da.convert(); } inline bool operator >= (const Poco::UInt32& other, const Var& da) /// Greater than or equal operator for comparing Var with Poco::UInt32 { if (da.isEmpty()) return false; return other >= da.convert(); } inline Poco::Int64 operator + (const Poco::Int64& other, const Var& da) /// Addition operator for adding Var to Poco::Int64 { return other + da.convert(); } inline Poco::Int64 operator - (const Poco::Int64& other, const Var& da) /// Subtraction operator for subtracting Var from Poco::Int64 { return other - da.convert(); } inline Poco::Int64 operator * (const Poco::Int64& other, const Var& da) /// Multiplication operator for multiplying Var with Poco::Int64 { return other * da.convert(); } inline Poco::Int64 operator / (const Poco::Int64& other, const Var& da) /// Division operator for dividing Var with Poco::Int64 { return other / da.convert(); } inline Poco::Int64 operator += (Poco::Int64& other, const Var& da) /// Addition asignment operator for adding Var to Poco::Int64 { return other += da.convert(); } inline Poco::Int64 operator -= (Poco::Int64& other, const Var& da) /// Subtraction asignment operator for subtracting Var from Poco::Int64 { return other -= da.convert(); } inline Poco::Int64 operator *= (Poco::Int64& other, const Var& da) /// Multiplication asignment operator for multiplying Var with Poco::Int64 { return other *= da.convert(); } inline Poco::Int64 operator /= (Poco::Int64& other, const Var& da) /// Division asignment operator for dividing Var with Poco::Int64 { return other /= da.convert(); } inline bool operator == (const Poco::Int64& other, const Var& da) /// Equality operator for comparing Var with Poco::Int64 { if (da.isEmpty()) return false; return other == da.convert(); } inline bool operator != (const Poco::Int64& other, const Var& da) /// Inequality operator for comparing Var with Poco::Int64 { if (da.isEmpty()) return true; return other != da.convert(); } inline bool operator < (const Poco::Int64& other, const Var& da) /// Less than operator for comparing Var with Poco::Int64 { if (da.isEmpty()) return false; return other < da.convert(); } inline bool operator <= (const Poco::Int64& other, const Var& da) /// Less than or equal operator for comparing Var with Poco::Int64 { if (da.isEmpty()) return false; return other <= da.convert(); } inline bool operator > (const Poco::Int64& other, const Var& da) /// Greater than operator for comparing Var with Poco::Int64 { if (da.isEmpty()) return false; return other > da.convert(); } inline bool operator >= (const Poco::Int64& other, const Var& da) /// Greater than or equal operator for comparing Var with Poco::Int64 { if (da.isEmpty()) return false; return other >= da.convert(); } inline Poco::UInt64 operator + (const Poco::UInt64& other, const Var& da) /// Addition operator for adding Var to Poco::UInt64 { return other + da.convert(); } inline Poco::UInt64 operator - (const Poco::UInt64& other, const Var& da) /// Subtraction operator for subtracting Var from Poco::UInt64 { return other - da.convert(); } inline Poco::UInt64 operator * (const Poco::UInt64& other, const Var& da) /// Multiplication operator for multiplying Var with Poco::UInt64 { return other * da.convert(); } inline Poco::UInt64 operator / (const Poco::UInt64& other, const Var& da) /// Division operator for dividing Var with Poco::UInt64 { return other / da.convert(); } inline Poco::UInt64 operator += (Poco::UInt64& other, const Var& da) /// Addition asignment operator for adding Var to Poco::UInt64 { return other += da.convert(); } inline Poco::UInt64 operator -= (Poco::UInt64& other, const Var& da) /// Subtraction asignment operator for subtracting Var from Poco::UInt64 { return other -= da.convert(); } inline Poco::UInt64 operator *= (Poco::UInt64& other, const Var& da) /// Multiplication asignment operator for multiplying Var with Poco::UInt64 { return other *= da.convert(); } inline Poco::UInt64 operator /= (Poco::UInt64& other, const Var& da) /// Division asignment operator for dividing Var with Poco::UInt64 { return other /= da.convert(); } inline bool operator == (const Poco::UInt64& other, const Var& da) /// Equality operator for comparing Var with Poco::UInt64 { if (da.isEmpty()) return false; return other == da.convert(); } inline bool operator != (const Poco::UInt64& other, const Var& da) /// Inequality operator for comparing Var with Poco::UInt64 { if (da.isEmpty()) return true; return other != da.convert(); } inline bool operator < (const Poco::UInt64& other, const Var& da) /// Less than operator for comparing Var with Poco::UInt64 { if (da.isEmpty()) return false; return other < da.convert(); } inline bool operator <= (const Poco::UInt64& other, const Var& da) /// Less than or equal operator for comparing Var with Poco::UInt64 { if (da.isEmpty()) return false; return other <= da.convert(); } inline bool operator > (const Poco::UInt64& other, const Var& da) /// Greater than operator for comparing Var with Poco::UInt64 { if (da.isEmpty()) return false; return other > da.convert(); } inline bool operator >= (const Poco::UInt64& other, const Var& da) /// Greater than or equal operator for comparing Var with Poco::UInt64 { if (da.isEmpty()) return false; return other >= da.convert(); } inline float operator + (const float& other, const Var& da) /// Addition operator for adding Var to float { return other + da.convert(); } inline float operator - (const float& other, const Var& da) /// Subtraction operator for subtracting Var from float { return other - da.convert(); } inline float operator * (const float& other, const Var& da) /// Multiplication operator for multiplying Var with float { return other * da.convert(); } inline float operator / (const float& other, const Var& da) /// Division operator for dividing Var with float { return other / da.convert(); } inline float operator += (float& other, const Var& da) /// Addition asignment operator for adding Var to float { return other += da.convert(); } inline float operator -= (float& other, const Var& da) /// Subtraction asignment operator for subtracting Var from float { return other -= da.convert(); } inline float operator *= (float& other, const Var& da) /// Multiplication asignment operator for multiplying Var with float { return other *= da.convert(); } inline float operator /= (float& other, const Var& da) /// Division asignment operator for dividing Var with float { return other /= da.convert(); } inline bool operator == (const float& other, const Var& da) /// Equality operator for comparing Var with float { if (da.isEmpty()) return false; return other == da.convert(); } inline bool operator != (const float& other, const Var& da) /// Inequality operator for comparing Var with float { if (da.isEmpty()) return true; return other != da.convert(); } inline bool operator < (const float& other, const Var& da) /// Less than operator for comparing Var with float { if (da.isEmpty()) return false; return other < da.convert(); } inline bool operator <= (const float& other, const Var& da) /// Less than or equal operator for comparing Var with float { if (da.isEmpty()) return false; return other <= da.convert(); } inline bool operator > (const float& other, const Var& da) /// Greater than operator for comparing Var with float { if (da.isEmpty()) return false; return other > da.convert(); } inline bool operator >= (const float& other, const Var& da) /// Greater than or equal operator for comparing Var with float { if (da.isEmpty()) return false; return other >= da.convert(); } inline double operator + (const double& other, const Var& da) /// Addition operator for adding Var to double { return other + da.convert(); } inline double operator - (const double& other, const Var& da) /// Subtraction operator for subtracting Var from double { return other - da.convert(); } inline double operator * (const double& other, const Var& da) /// Multiplication operator for multiplying Var with double { return other * da.convert(); } inline double operator / (const double& other, const Var& da) /// Division operator for dividing Var with double { return other / da.convert(); } inline double operator += (double& other, const Var& da) /// Addition asignment operator for adding Var to double { return other += da.convert(); } inline double operator -= (double& other, const Var& da) /// Subtraction asignment operator for subtracting Var from double { return other -= da.convert(); } inline double operator *= (double& other, const Var& da) /// Multiplication asignment operator for multiplying Var with double { return other *= da.convert(); } inline double operator /= (double& other, const Var& da) /// Division asignment operator for dividing Var with double { return other /= da.convert(); } inline bool operator == (const double& other, const Var& da) /// Equality operator for comparing Var with double { if (da.isEmpty()) return false; return other == da.convert(); } inline bool operator != (const double& other, const Var& da) /// Inequality operator for comparing Var with double { if (da.isEmpty()) return true; return other != da.convert(); } inline bool operator < (const double& other, const Var& da) /// Less than operator for comparing Var with double { if (da.isEmpty()) return false; return other < da.convert(); } inline bool operator <= (const double& other, const Var& da) /// Less than or equal operator for comparing Var with double { if (da.isEmpty()) return false; return other <= da.convert(); } inline bool operator > (const double& other, const Var& da) /// Greater than operator for comparing Var with double { if (da.isEmpty()) return false; return other > da.convert(); } inline bool operator >= (const double& other, const Var& da) /// Greater than or equal operator for comparing Var with double { if (da.isEmpty()) return false; return other >= da.convert(); } inline bool operator == (const bool& other, const Var& da) /// Equality operator for comparing Var with bool { if (da.isEmpty()) return false; return other == da.convert(); } inline bool operator != (const bool& other, const Var& da) /// Inequality operator for comparing Var with bool { if (da.isEmpty()) return true; return other != da.convert(); } inline bool operator == (const std::string& other, const Var& da) /// Equality operator for comparing Var with std::string { if (da.isEmpty()) return false; return other == da.convert(); } inline bool operator != (const std::string& other, const Var& da) /// Inequality operator for comparing Var with std::string { if (da.isEmpty()) return true; return other != da.convert(); } inline bool operator == (const char* other, const Var& da) /// Equality operator for comparing Var with const char* { if (da.isEmpty()) return false; return da.convert() == other; } inline bool operator != (const char* other, const Var& da) /// Inequality operator for comparing Var with const char* { if (da.isEmpty()) return true; return da.convert() != other; } #ifndef POCO_LONG_IS_64_BIT inline long operator + (const long& other, const Var& da) /// Addition operator for adding Var to long { return other + da.convert(); } inline long operator - (const long& other, const Var& da) /// Subtraction operator for subtracting Var from long { return other - da.convert(); } inline long operator * (const long& other, const Var& da) /// Multiplication operator for multiplying Var with long { return other * da.convert(); } inline long operator / (const long& other, const Var& da) /// Division operator for dividing Var with long { return other / da.convert(); } inline long operator += (long& other, const Var& da) /// Addition asignment operator for adding Var to long { return other += da.convert(); } inline long operator -= (long& other, const Var& da) /// Subtraction asignment operator for subtracting Var from long { return other -= da.convert(); } inline long operator *= (long& other, const Var& da) /// Multiplication asignment operator for multiplying Var with long { return other *= da.convert(); } inline long operator /= (long& other, const Var& da) /// Division asignment operator for dividing Var with long { return other /= da.convert(); } inline bool operator == (const long& other, const Var& da) /// Equality operator for comparing Var with long { if (da.isEmpty()) return false; return other == da.convert(); } inline bool operator != (const long& other, const Var& da) /// Inequality operator for comparing Var with long { if (da.isEmpty()) return true; return other != da.convert(); } inline bool operator < (const long& other, const Var& da) /// Less than operator for comparing Var with long { if (da.isEmpty()) return false; return other < da.convert(); } inline bool operator <= (const long& other, const Var& da) /// Less than or equal operator for comparing Var with long { if (da.isEmpty()) return false; return other <= da.convert(); } inline bool operator > (const long& other, const Var& da) /// Greater than operator for comparing Var with long { if (da.isEmpty()) return false; return other > da.convert(); } inline bool operator >= (const long& other, const Var& da) /// Greater than or equal operator for comparing Var with long { if (da.isEmpty()) return false; return other >= da.convert(); } #endif // POCO_LONG_IS_64_BIT } // namespace Dynamic //@ deprecated typedef Dynamic::Var DynamicAny; } // namespace Poco #endif // Foundation_Var_INCLUDED