mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2024-11-09 01:07:16 +01:00
4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
1006 lines
18 KiB
C++
1006 lines
18 KiB
C++
//
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// Struct.h
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//
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// Library: Foundation
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// Package: Dynamic
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// Module: Struct
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//
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// Definition of the Struct class.
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//
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// Copyright (c) 2007, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Foundation_Struct_INCLUDED
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#define Foundation_Struct_INCLUDED
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#include "Poco/Foundation.h"
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#include "Poco/Dynamic/Var.h"
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#include "Poco/Dynamic/VarHolder.h"
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#include "Poco/SharedPtr.h"
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#include "Poco/OrderedMap.h"
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#include "Poco/OrderedSet.h"
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#include <map>
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#include <set>
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namespace Poco {
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namespace Dynamic {
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template <typename K, typename M = std::map<K, Var>, typename S = std::set<K>>
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class Struct
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/// Struct allows to define a named collection of Var objects.
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{
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public:
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typedef M Data;
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typedef S NameSet;
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typedef typename Data::iterator Iterator;
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typedef typename Data::const_iterator ConstIterator;
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typedef typename Struct<K>::Data::value_type ValueType;
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typedef typename Struct<K>::Data::size_type SizeType;
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typedef typename std::pair<typename Struct<K, M, S>::Iterator, bool> InsRetVal;
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typedef typename Poco::SharedPtr<Struct<K, M, S>> Ptr;
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Struct(): _data()
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/// Creates an empty Struct
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{
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}
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Struct(const Data& val): _data(val)
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/// Creates the Struct from the given value.
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{
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}
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template <typename T>
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Struct(const std::map<K, T>& val)
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{
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assignMap(val);
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}
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template <typename T>
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Struct(const OrderedMap<K, T>& val)
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{
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assignMap(val);
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}
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virtual ~Struct()
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/// Destroys the Struct.
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{
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}
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inline Var& operator [] (const K& name)
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/// Returns the Var with the given name, creates an entry if not found.
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{
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return _data[name];
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}
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const Var& operator [] (const K& name) const
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/// Returns the Var with the given name, throws a
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/// NotFoundException if the data member is not found.
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{
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ConstIterator it = find(name);
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if (it == end()) throw NotFoundException(name);
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return it->second;
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}
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inline bool contains(const K& name) const
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/// Returns true if the Struct contains a member with the given name
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{
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return find(name) != end();
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}
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inline Iterator find(const K& name)
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/// Returns an iterator, pointing to the <name,Var> pair containing
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/// the element, or it returns end() if the member was not found
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{
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return _data.find(name);
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}
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inline ConstIterator find(const K& name) const
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/// Returns a const iterator, pointing to the <name,Var> pair containing
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/// the element, or it returns end() if the member was not found
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{
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return _data.find(name);
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}
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inline Iterator end()
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/// Returns the end iterator for the Struct
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{
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return _data.end();
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}
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inline ConstIterator end() const
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/// Returns the end const iterator for the Struct
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{
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return _data.end();
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}
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inline Iterator begin()
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/// Returns the begin iterator for the Struct
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{
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return _data.begin();
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}
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inline ConstIterator begin() const
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/// Returns the begin const iterator for the Struct
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{
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return _data.begin();
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}
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template <typename T>
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inline InsRetVal insert(const K& key, const T& value)
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/// Inserts a <name, Var> pair into the Struct,
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/// returns a pair containing the iterator and a boolean which
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/// indicates success or not (is true, when insert succeeded, false,
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/// when already another element was present, in this case Iterator
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/// points to that other element)
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{
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// fix: SunPro C++ is silly ...
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ValueType valueType(key, value);
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return insert(valueType);
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}
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inline InsRetVal insert(const ValueType& aPair)
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/// Inserts a <name, Var> pair into the Struct,
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/// returns a pair containing the iterator and a boolean which
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/// indicates success or not (is true, when insert succeeded, false,
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/// when already another element was present, in this case Iterator
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/// points to that other element)
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{
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return _data.insert(aPair);
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}
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inline SizeType erase(const K& key)
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/// Erases the element if found, returns number of elements deleted
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{
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return _data.erase(key);
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}
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inline void erase(Iterator& it)
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/// Erases the element at the given position
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{
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_data.erase(it);
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}
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inline void clear()
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/// Remove all elements from the struct
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{
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_data.clear();
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}
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inline void swap(Struct& other)
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/// Swap content of Struct with another Struct
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{
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_data.swap(other._data);
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}
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inline bool empty() const
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/// Returns true if the Struct doesn't contain any members
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{
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return _data.empty();
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}
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SizeType size() const
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/// Returns the number of members the Struct contains
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{
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return _data.size();
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}
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inline NameSet members() const
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/// Returns a sorted collection containing all member names
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{
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NameSet keys;
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ConstIterator it = begin();
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ConstIterator itEnd = end();
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for (; it != itEnd; ++it) keys.insert(it->first);
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return keys;
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}
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inline Var getVar(const K& key) const
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/// Returns the var value of the element with the given name.
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/// Throws a NotFoundException if the key does not exist.
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{
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ConstIterator it = find(key);
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if(it == end())
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{
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throw NotFoundException("Key not found in Struct");
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}
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return it->second;
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}
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template<typename DefT = Var>
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inline Var getVar(const K& key, const DefT& defaultValue) const
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/// Returns the var value of the element with the given name.
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/// or defaultValue if none is found.
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{
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ConstIterator it = find(key);
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if(it == end())
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{
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return defaultValue;
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}
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return it->second;
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}
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std::string toString() const
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{
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std::string str;
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Var(*this).template convert<std::string>(str);
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return str;
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}
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private:
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template <typename T>
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void assignMap(const T& map)
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{
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typedef typename T::const_iterator MapConstIterator;
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MapConstIterator it = map.begin();
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MapConstIterator end = map.end();
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for (; it != end; ++it) _data.insert(ValueType(it->first, Var(it->second)));
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}
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Data _data;
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};
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template <>
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class VarHolderImpl<Struct<std::string, std::map<std::string, Var>, std::set<std::string>>>: public VarHolder
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{
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public:
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typedef std::string KeyType;
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typedef std::map<KeyType, Var> MapType;
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typedef std::set<KeyType> SetType;
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typedef Struct<KeyType, MapType, SetType> ValueType;
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VarHolderImpl(const ValueType& val): _val(val)
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{
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}
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~VarHolderImpl()
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{
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}
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const std::type_info& type() const
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{
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return typeid(ValueType);
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}
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void convert(Int8&) const
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{
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throw BadCastException("Cannot cast Struct type to Int8");
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}
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void convert(Int16&) const
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{
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throw BadCastException("Cannot cast Struct type to Int16");
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}
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void convert(Int32&) const
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{
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throw BadCastException("Cannot cast Struct type to Int32");
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}
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void convert(Int64&) const
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{
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throw BadCastException("Cannot cast Struct type to Int64");
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}
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void convert(UInt8&) const
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{
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throw BadCastException("Cannot cast Struct type to UInt8");
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}
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void convert(UInt16&) const
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{
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throw BadCastException("Cannot cast Struct type to UInt16");
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}
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void convert(UInt32&) const
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{
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throw BadCastException("Cannot cast Struct type to UInt32");
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}
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void convert(UInt64&) const
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{
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throw BadCastException("Cannot cast Struct type to UInt64");
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}
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void convert(bool&) const
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{
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throw BadCastException("Cannot cast Struct type to bool");
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}
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void convert(float&) const
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{
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throw BadCastException("Cannot cast Struct type to float");
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}
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void convert(double&) const
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{
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throw BadCastException("Cannot cast Struct type to double");
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}
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void convert(char&) const
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{
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throw BadCastException("Cannot cast Struct type to char");
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}
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void convert(std::string& val) const
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{
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val.append("{ ");
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ValueType::ConstIterator it = _val.begin();
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ValueType::ConstIterator itEnd = _val.end();
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if (!_val.empty())
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{
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Var key(it->first);
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Impl::appendJSONKey(val, key);
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val.append(" : ");
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Impl::appendJSONValue(val, it->second);
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++it;
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}
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for (; it != itEnd; ++it)
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{
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val.append(", ");
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Var key(it->first);
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Impl::appendJSONKey(val, key);
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val.append(" : ");
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Impl::appendJSONValue(val, it->second);
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}
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val.append(" }");
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}
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void convert(Poco::DateTime&) const
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{
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throw BadCastException("Struct -> Poco::DateTime");
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}
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void convert(Poco::LocalDateTime&) const
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{
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throw BadCastException("Struct -> Poco::LocalDateTime");
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}
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void convert(Poco::Timestamp&) const
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{
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throw BadCastException("Struct -> Poco::Timestamp");
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}
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VarHolder* clone(Placeholder<VarHolder>* pVarHolder = 0) const
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{
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return cloneHolder(pVarHolder, _val);
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}
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const ValueType& value() const
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{
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return _val;
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}
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bool isArray() const
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{
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return false;
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}
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bool isStruct() const
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{
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return true;
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}
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bool isOrdered() const
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{
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return false;
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}
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bool isInteger() const
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{
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return false;
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}
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bool isSigned() const
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{
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return false;
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}
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bool isNumeric() const
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{
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return false;
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}
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bool isString() const
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{
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return false;
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}
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std::size_t size() const
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{
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return _val.size();
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}
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Var& operator [] (const KeyType& name)
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{
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return _val[name];
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}
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const Var& operator [] (const KeyType& name) const
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{
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return _val[name];
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}
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private:
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ValueType _val;
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};
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template <>
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class VarHolderImpl<Struct<int, std::map<int, Var>, std::set<int>>> : public VarHolder
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{
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public:
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typedef int KeyType;
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typedef std::map<KeyType, Var> MapType;
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typedef std::set<KeyType> SetType;
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typedef Struct<KeyType, MapType, SetType> ValueType;
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VarHolderImpl(const ValueType& val) : _val(val)
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{
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}
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~VarHolderImpl()
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{
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}
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const std::type_info& type() const
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{
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return typeid(ValueType);
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}
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void convert(Int8&) const
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{
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throw BadCastException("Cannot cast Struct type to Int8");
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}
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void convert(Int16&) const
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{
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throw BadCastException("Cannot cast Struct type to Int16");
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}
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void convert(Int32&) const
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{
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throw BadCastException("Cannot cast Struct type to Int32");
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}
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void convert(Int64&) const
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{
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throw BadCastException("Cannot cast Struct type to Int64");
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}
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void convert(UInt8&) const
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{
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throw BadCastException("Cannot cast Struct type to UInt8");
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}
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void convert(UInt16&) const
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{
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throw BadCastException("Cannot cast Struct type to UInt16");
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}
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void convert(UInt32&) const
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{
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throw BadCastException("Cannot cast Struct type to UInt32");
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}
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void convert(UInt64&) const
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{
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throw BadCastException("Cannot cast Struct type to UInt64");
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}
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void convert(bool&) const
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{
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throw BadCastException("Cannot cast Struct type to bool");
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}
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void convert(float&) const
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{
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throw BadCastException("Cannot cast Struct type to float");
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}
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void convert(double&) const
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{
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throw BadCastException("Cannot cast Struct type to double");
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}
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void convert(char&) const
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{
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throw BadCastException("Cannot cast Struct type to char");
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}
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void convert(std::string& val) const
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{
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val.append("{ ");
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ValueType::ConstIterator it = _val.begin();
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ValueType::ConstIterator itEnd = _val.end();
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if (!_val.empty())
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{
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Var key(it->first);
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Impl::appendJSONKey(val, key);
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val.append(" : ");
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Impl::appendJSONValue(val, it->second);
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++it;
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}
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for (; it != itEnd; ++it)
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{
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val.append(", ");
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Var key(it->first);
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Impl::appendJSONKey(val, key);
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val.append(" : ");
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Impl::appendJSONValue(val, it->second);
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}
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val.append(" }");
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}
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void convert(Poco::DateTime&) const
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{
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throw BadCastException("Struct -> Poco::DateTime");
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}
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void convert(Poco::LocalDateTime&) const
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{
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throw BadCastException("Struct -> Poco::LocalDateTime");
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}
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void convert(Poco::Timestamp&) const
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{
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throw BadCastException("Struct -> Poco::Timestamp");
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}
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VarHolder* clone(Placeholder<VarHolder>* pVarHolder = 0) const
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{
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return cloneHolder(pVarHolder, _val);
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}
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const ValueType& value() const
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{
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return _val;
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}
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bool isArray() const
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{
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return false;
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}
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bool isStruct() const
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{
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return true;
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}
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bool isOrdered() const
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{
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return false;
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}
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bool isInteger() const
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{
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return false;
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}
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bool isSigned() const
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{
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return false;
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}
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bool isNumeric() const
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{
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return false;
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}
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bool isString() const
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{
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return false;
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}
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std::size_t size() const
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{
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return _val.size();
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}
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Var& operator [] (const KeyType& name)
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{
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return _val[name];
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}
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const Var& operator [] (const KeyType& name) const
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{
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return _val[name];
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}
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private:
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ValueType _val;
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};
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template <>
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class VarHolderImpl<Struct<std::string, Poco::OrderedMap<std::string, Var>, Poco::OrderedSet<std::string>>> : public VarHolder
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{
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public:
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typedef std::string KeyType;
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typedef Poco::OrderedMap<KeyType, Var> MapType;
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typedef Poco::OrderedSet<KeyType> SetType;
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typedef Struct<KeyType, MapType, SetType> ValueType;
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VarHolderImpl(const ValueType& val) : _val(val)
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{
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}
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~VarHolderImpl()
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{
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}
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const std::type_info& type() const
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{
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return typeid(ValueType);
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}
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|
|
|
void convert(Int8&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to Int8");
|
|
}
|
|
|
|
void convert(Int16&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to Int16");
|
|
}
|
|
|
|
void convert(Int32&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to Int32");
|
|
}
|
|
|
|
void convert(Int64&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to Int64");
|
|
}
|
|
|
|
void convert(UInt8&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to UInt8");
|
|
}
|
|
|
|
void convert(UInt16&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to UInt16");
|
|
}
|
|
|
|
void convert(UInt32&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to UInt32");
|
|
}
|
|
|
|
void convert(UInt64&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to UInt64");
|
|
}
|
|
|
|
void convert(bool&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to bool");
|
|
}
|
|
|
|
void convert(float&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to float");
|
|
}
|
|
|
|
void convert(double&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to double");
|
|
}
|
|
|
|
void convert(char&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to char");
|
|
}
|
|
|
|
void convert(std::string& val) const
|
|
{
|
|
val.append("{ ");
|
|
ValueType::ConstIterator it = _val.begin();
|
|
ValueType::ConstIterator itEnd = _val.end();
|
|
if (!_val.empty())
|
|
{
|
|
Var key(it->first);
|
|
Impl::appendJSONKey(val, key);
|
|
val.append(" : ");
|
|
Impl::appendJSONValue(val, it->second);
|
|
++it;
|
|
}
|
|
for (; it != itEnd; ++it)
|
|
{
|
|
val.append(", ");
|
|
Var key(it->first);
|
|
Impl::appendJSONKey(val, key);
|
|
val.append(" : ");
|
|
Impl::appendJSONValue(val, it->second);
|
|
}
|
|
val.append(" }");
|
|
}
|
|
|
|
void convert(Poco::DateTime&) const
|
|
{
|
|
throw BadCastException("Struct -> Poco::DateTime");
|
|
}
|
|
|
|
void convert(Poco::LocalDateTime&) const
|
|
{
|
|
throw BadCastException("Struct -> Poco::LocalDateTime");
|
|
}
|
|
|
|
void convert(Poco::Timestamp&) const
|
|
{
|
|
throw BadCastException("Struct -> Poco::Timestamp");
|
|
}
|
|
|
|
VarHolder* clone(Placeholder<VarHolder>* pVarHolder = 0) const
|
|
{
|
|
return cloneHolder(pVarHolder, _val);
|
|
}
|
|
|
|
const ValueType& value() const
|
|
{
|
|
return _val;
|
|
}
|
|
|
|
bool isArray() const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool isStruct() const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
bool isOrdered() const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
bool isInteger() const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool isSigned() const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool isNumeric() const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool isString() const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
std::size_t size() const
|
|
{
|
|
return _val.size();
|
|
}
|
|
|
|
Var& operator [] (const KeyType& name)
|
|
{
|
|
return _val[name];
|
|
}
|
|
|
|
const Var& operator [] (const KeyType& name) const
|
|
{
|
|
return _val[name];
|
|
}
|
|
|
|
private:
|
|
ValueType _val;
|
|
};
|
|
|
|
|
|
template <>
|
|
class VarHolderImpl<Struct<int, Poco::OrderedMap<int, Var>, Poco::OrderedSet<int>>> : public VarHolder
|
|
{
|
|
public:
|
|
typedef int KeyType;
|
|
typedef Poco::OrderedMap<KeyType, Var> MapType;
|
|
typedef Poco::OrderedSet<KeyType> SetType;
|
|
typedef Struct<KeyType, MapType, SetType> ValueType;
|
|
|
|
VarHolderImpl(const ValueType& val) : _val(val)
|
|
{
|
|
}
|
|
|
|
~VarHolderImpl()
|
|
{
|
|
}
|
|
|
|
const std::type_info& type() const
|
|
{
|
|
return typeid(ValueType);
|
|
}
|
|
|
|
void convert(Int8&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to Int8");
|
|
}
|
|
|
|
void convert(Int16&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to Int16");
|
|
}
|
|
|
|
void convert(Int32&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to Int32");
|
|
}
|
|
|
|
void convert(Int64&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to Int64");
|
|
}
|
|
|
|
void convert(UInt8&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to UInt8");
|
|
}
|
|
|
|
void convert(UInt16&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to UInt16");
|
|
}
|
|
|
|
void convert(UInt32&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to UInt32");
|
|
}
|
|
|
|
void convert(UInt64&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to UInt64");
|
|
}
|
|
|
|
void convert(bool&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to bool");
|
|
}
|
|
|
|
void convert(float&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to float");
|
|
}
|
|
|
|
void convert(double&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to double");
|
|
}
|
|
|
|
void convert(char&) const
|
|
{
|
|
throw BadCastException("Cannot cast Struct type to char");
|
|
}
|
|
|
|
void convert(std::string& val) const
|
|
{
|
|
val.append("{ ");
|
|
ValueType::ConstIterator it = _val.begin();
|
|
ValueType::ConstIterator itEnd = _val.end();
|
|
if (!_val.empty())
|
|
{
|
|
Var key(it->first);
|
|
Impl::appendJSONKey(val, key);
|
|
val.append(" : ");
|
|
Impl::appendJSONValue(val, it->second);
|
|
++it;
|
|
}
|
|
for (; it != itEnd; ++it)
|
|
{
|
|
val.append(", ");
|
|
Var key(it->first);
|
|
Impl::appendJSONKey(val, key);
|
|
val.append(" : ");
|
|
Impl::appendJSONValue(val, it->second);
|
|
}
|
|
val.append(" }");
|
|
}
|
|
|
|
void convert(Poco::DateTime&) const
|
|
{
|
|
throw BadCastException("Struct -> Poco::DateTime");
|
|
}
|
|
|
|
void convert(Poco::LocalDateTime&) const
|
|
{
|
|
throw BadCastException("Struct -> Poco::LocalDateTime");
|
|
}
|
|
|
|
void convert(Poco::Timestamp&) const
|
|
{
|
|
throw BadCastException("Struct -> Poco::Timestamp");
|
|
}
|
|
|
|
VarHolder* clone(Placeholder<VarHolder>* pVarHolder = 0) const
|
|
{
|
|
return cloneHolder(pVarHolder, _val);
|
|
}
|
|
|
|
const ValueType& value() const
|
|
{
|
|
return _val;
|
|
}
|
|
|
|
bool isArray() const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool isStruct() const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
bool isOrdered() const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
bool isInteger() const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool isSigned() const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool isNumeric() const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool isString() const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
std::size_t size() const
|
|
{
|
|
return _val.size();
|
|
}
|
|
|
|
Var& operator [] (const KeyType& name)
|
|
{
|
|
return _val[name];
|
|
}
|
|
|
|
const Var& operator [] (const KeyType& name) const
|
|
{
|
|
return _val[name];
|
|
}
|
|
|
|
private:
|
|
ValueType _val;
|
|
};
|
|
|
|
|
|
} // namespace Dynamic
|
|
|
|
|
|
typedef Dynamic::Struct<std::string> DynamicStruct;
|
|
typedef Dynamic::Struct<std::string, Poco::OrderedMap<std::string, Dynamic::Var>, Poco::OrderedSet<std::string>> OrderedDynamicStruct;
|
|
|
|
|
|
} // namespace Poco
|
|
|
|
|
|
#endif // Foundation_Struct_INCLUDED
|