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Diffstat (limited to '3rdParty/Boost/src/boost/property_tree/detail/ptree_implementation.hpp')
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diff --git a/3rdParty/Boost/src/boost/property_tree/detail/ptree_implementation.hpp b/3rdParty/Boost/src/boost/property_tree/detail/ptree_implementation.hpp new file mode 100644 index 0000000..4220002 --- /dev/null +++ b/3rdParty/Boost/src/boost/property_tree/detail/ptree_implementation.hpp @@ -0,0 +1,905 @@ +// ---------------------------------------------------------------------------- +// Copyright (C) 2002-2006 Marcin Kalicinski +// Copyright (C) 2009 Sebastian Redl +// +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) +// +// For more information, see www.boost.org +// ---------------------------------------------------------------------------- +#ifndef BOOST_PROPERTY_TREE_DETAIL_PTREE_IMPLEMENTATION_HPP_INCLUDED +#define BOOST_PROPERTY_TREE_DETAIL_PTREE_IMPLEMENTATION_HPP_INCLUDED + +#include <boost/iterator/iterator_adaptor.hpp> +#include <boost/iterator/reverse_iterator.hpp> +#include <memory> +#include <cassert> + +#if defined(BOOST_MSVC) && \ + (_MSC_FULL_VER >= 160000000 && _MSC_FULL_VER < 170000000) +#define BOOST_PROPERTY_TREE_PAIR_BUG +#endif + +namespace boost { namespace property_tree +{ + template <class K, class D, class C> + struct basic_ptree<K, D, C>::subs + { + struct by_name {}; + // The actual child container. +#if defined(BOOST_PROPERTY_TREE_PAIR_BUG) + // MSVC 10 has moved std::pair's members to a base + // class. Unfortunately this does break the interface. + BOOST_STATIC_CONSTANT(unsigned, + first_offset = offsetof(value_type, first)); + typedef multi_index_container<value_type, + multi_index::indexed_by< + multi_index::sequenced<>, + multi_index::ordered_non_unique<multi_index::tag<by_name>, + multi_index::member_offset<value_type, const key_type, + first_offset>, + key_compare + > + > + > base_container; +#else + typedef multi_index_container<value_type, + multi_index::indexed_by< + multi_index::sequenced<>, + multi_index::ordered_non_unique<multi_index::tag<by_name>, + multi_index::member<value_type, const key_type, + &value_type::first>, + key_compare + > + > + > base_container; +#endif + // The by-name lookup index. + typedef typename base_container::template index<by_name>::type + by_name_index; + + // Access functions for getting to the children of a tree. + static base_container& ch(self_type *s) { + return *static_cast<base_container*>(s->m_children); + } + static const base_container& ch(const self_type *s) { + return *static_cast<const base_container*>(s->m_children); + } + static by_name_index& assoc(self_type *s) { + return ch(s).BOOST_NESTED_TEMPLATE get<by_name>(); + } + static const by_name_index& assoc(const self_type *s) { + return ch(s).BOOST_NESTED_TEMPLATE get<by_name>(); + } + }; + template <class K, class D, class C> + class basic_ptree<K, D, C>::iterator : public boost::iterator_adaptor< + iterator, typename subs::base_container::iterator, value_type> + { + friend class boost::iterator_core_access; + typedef boost::iterator_adaptor< + iterator, typename subs::base_container::iterator, value_type> + baset; + public: + typedef typename baset::reference reference; + iterator() {} + explicit iterator(typename iterator::base_type b) + : iterator::iterator_adaptor_(b) + {} + reference dereference() const + { + // multi_index doesn't allow modification of its values, because + // indexes could sort by anything, and modification screws that up. + // However, we only sort by the key, and it's protected against + // modification in the value_type, so this const_cast is safe. + return const_cast<reference>(*this->base_reference()); + } + }; + template <class K, class D, class C> + class basic_ptree<K, D, C>::const_iterator : public boost::iterator_adaptor< + const_iterator, typename subs::base_container::const_iterator> + { + public: + const_iterator() {} + explicit const_iterator(typename const_iterator::base_type b) + : const_iterator::iterator_adaptor_(b) + {} + const_iterator(iterator b) + : const_iterator::iterator_adaptor_(b.base()) + {} + }; + template <class K, class D, class C> + class basic_ptree<K, D, C>::reverse_iterator + : public boost::reverse_iterator<iterator> + { + public: + reverse_iterator() {} + explicit reverse_iterator(iterator b) + : boost::reverse_iterator<iterator>(b) + {} + }; + template <class K, class D, class C> + class basic_ptree<K, D, C>::const_reverse_iterator + : public boost::reverse_iterator<const_iterator> + { + public: + const_reverse_iterator() {} + explicit const_reverse_iterator(const_iterator b) + : boost::reverse_iterator<const_iterator>(b) + {} + const_reverse_iterator( + typename basic_ptree<K, D, C>::reverse_iterator b) + : boost::reverse_iterator<const_iterator>(b) + {} + }; + template <class K, class D, class C> + class basic_ptree<K, D, C>::assoc_iterator + : public boost::iterator_adaptor<assoc_iterator, + typename subs::by_name_index::iterator, + value_type> + { + friend class boost::iterator_core_access; + typedef boost::iterator_adaptor<assoc_iterator, + typename subs::by_name_index::iterator, + value_type> + baset; + public: + typedef typename baset::reference reference; + assoc_iterator() {} + explicit assoc_iterator(typename assoc_iterator::base_type b) + : assoc_iterator::iterator_adaptor_(b) + {} + reference dereference() const + { + return const_cast<reference>(*this->base_reference()); + } + }; + template <class K, class D, class C> + class basic_ptree<K, D, C>::const_assoc_iterator + : public boost::iterator_adaptor<const_assoc_iterator, + typename subs::by_name_index::const_iterator> + { + public: + const_assoc_iterator() {} + explicit const_assoc_iterator( + typename const_assoc_iterator::base_type b) + : const_assoc_iterator::iterator_adaptor_(b) + {} + const_assoc_iterator(assoc_iterator b) + : const_assoc_iterator::iterator_adaptor_(b.base()) + {} + }; + + + // Big five + + // Perhaps the children collection could be created on-demand only, to + // reduce heap traffic. But that's a lot more work to implement. + + template<class K, class D, class C> inline + basic_ptree<K, D, C>::basic_ptree() + : m_children(new typename subs::base_container) + { + } + + template<class K, class D, class C> inline + basic_ptree<K, D, C>::basic_ptree(const data_type &d) + : m_data(d), m_children(new typename subs::base_container) + { + } + + template<class K, class D, class C> inline + basic_ptree<K, D, C>::basic_ptree(const basic_ptree<K, D, C> &rhs) + : m_data(rhs.m_data), + m_children(new typename subs::base_container(subs::ch(&rhs))) + { + } + + template<class K, class D, class C> + basic_ptree<K, D, C> & + basic_ptree<K, D, C>::operator =(const basic_ptree<K, D, C> &rhs) + { + self_type(rhs).swap(*this); + return *this; + } + + template<class K, class D, class C> + basic_ptree<K, D, C>::~basic_ptree() + { + delete &subs::ch(this); + } + + template<class K, class D, class C> inline + void basic_ptree<K, D, C>::swap(basic_ptree<K, D, C> &rhs) + { + m_data.swap(rhs.m_data); + // Void pointers, no ADL necessary + std::swap(m_children, rhs.m_children); + } + + // Container view + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::size_type + basic_ptree<K, D, C>::size() const + { + return subs::ch(this).size(); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::size_type + basic_ptree<K, D, C>::max_size() const + { + return subs::ch(this).max_size(); + } + + template<class K, class D, class C> inline + bool basic_ptree<K, D, C>::empty() const + { + return subs::ch(this).empty(); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::iterator + basic_ptree<K, D, C>::begin() + { + return iterator(subs::ch(this).begin()); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::const_iterator + basic_ptree<K, D, C>::begin() const + { + return const_iterator(subs::ch(this).begin()); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::iterator + basic_ptree<K, D, C>::end() + { + return iterator(subs::ch(this).end()); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::const_iterator + basic_ptree<K, D, C>::end() const + { + return const_iterator(subs::ch(this).end()); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::reverse_iterator + basic_ptree<K, D, C>::rbegin() + { + return reverse_iterator(this->end()); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::const_reverse_iterator + basic_ptree<K, D, C>::rbegin() const + { + return const_reverse_iterator(this->end()); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::reverse_iterator + basic_ptree<K, D, C>::rend() + { + return reverse_iterator(this->begin()); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::const_reverse_iterator + basic_ptree<K, D, C>::rend() const + { + return const_reverse_iterator(this->begin()); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::value_type & + basic_ptree<K, D, C>::front() + { + return const_cast<value_type&>(subs::ch(this).front()); + } + + template<class K, class D, class C> inline + const typename basic_ptree<K, D, C>::value_type & + basic_ptree<K, D, C>::front() const + { + return subs::ch(this).front(); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::value_type & + basic_ptree<K, D, C>::back() + { + return const_cast<value_type&>(subs::ch(this).back()); + } + + template<class K, class D, class C> inline + const typename basic_ptree<K, D, C>::value_type & + basic_ptree<K, D, C>::back() const + { + return subs::ch(this).back(); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::iterator + basic_ptree<K, D, C>::insert(iterator where, const value_type &value) + { + return iterator(subs::ch(this).insert(where.base(), value).first); + } + + template<class K, class D, class C> + template<class It> inline + void basic_ptree<K, D, C>::insert(iterator where, It first, It last) + { + subs::ch(this).insert(where.base(), first, last); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::iterator + basic_ptree<K, D, C>::erase(iterator where) + { + return iterator(subs::ch(this).erase(where.base())); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::iterator + basic_ptree<K, D, C>::erase(iterator first, iterator last) + { + return iterator(subs::ch(this).erase(first.base(), last.base())); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::iterator + basic_ptree<K, D, C>::push_front(const value_type &value) + { + return iterator(subs::ch(this).push_front(value).first); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::iterator + basic_ptree<K, D, C>::push_back(const value_type &value) + { + return iterator(subs::ch(this).push_back(value).first); + } + + template<class K, class D, class C> inline + void basic_ptree<K, D, C>::pop_front() + { + subs::ch(this).pop_front(); + } + + template<class K, class D, class C> inline + void basic_ptree<K, D, C>::pop_back() + { + subs::ch(this).pop_back(); + } + + template<class K, class D, class C> inline + void basic_ptree<K, D, C>::reverse() + { + subs::ch(this).reverse(); + } + + template<class K, class D, class C> inline + void basic_ptree<K, D, C>::sort() + { + subs::ch(this).sort(); + } + + template<class K, class D, class C> + template<class Compare> inline + void basic_ptree<K, D, C>::sort(Compare comp) + { + subs::ch(this).sort(comp); + } + + // Equality + + template<class K, class D, class C> inline + bool basic_ptree<K, D, C>::operator ==( + const basic_ptree<K, D, C> &rhs) const + { + // The size test is cheap, so add it as an optimization + return size() == rhs.size() && data() == rhs.data() && + subs::ch(this) == subs::ch(&rhs); + } + + template<class K, class D, class C> inline + bool basic_ptree<K, D, C>::operator !=( + const basic_ptree<K, D, C> &rhs) const + { + return !(*this == rhs); + } + + // Associative view + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::assoc_iterator + basic_ptree<K, D, C>::ordered_begin() + { + return assoc_iterator(subs::assoc(this).begin()); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::const_assoc_iterator + basic_ptree<K, D, C>::ordered_begin() const + { + return const_assoc_iterator(subs::assoc(this).begin()); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::assoc_iterator + basic_ptree<K, D, C>::not_found() + { + return assoc_iterator(subs::assoc(this).end()); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::const_assoc_iterator + basic_ptree<K, D, C>::not_found() const + { + return const_assoc_iterator(subs::assoc(this).end()); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::assoc_iterator + basic_ptree<K, D, C>::find(const key_type &key) + { + return assoc_iterator(subs::assoc(this).find(key)); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::const_assoc_iterator + basic_ptree<K, D, C>::find(const key_type &key) const + { + return const_assoc_iterator(subs::assoc(this).find(key)); + } + + template<class K, class D, class C> inline + std::pair< + typename basic_ptree<K, D, C>::assoc_iterator, + typename basic_ptree<K, D, C>::assoc_iterator + > basic_ptree<K, D, C>::equal_range(const key_type &key) + { + std::pair<typename subs::by_name_index::iterator, + typename subs::by_name_index::iterator> r( + subs::assoc(this).equal_range(key)); + return std::pair<assoc_iterator, assoc_iterator>( + assoc_iterator(r.first), assoc_iterator(r.second)); + } + + template<class K, class D, class C> inline + std::pair< + typename basic_ptree<K, D, C>::const_assoc_iterator, + typename basic_ptree<K, D, C>::const_assoc_iterator + > basic_ptree<K, D, C>::equal_range(const key_type &key) const + { + std::pair<typename subs::by_name_index::const_iterator, + typename subs::by_name_index::const_iterator> r( + subs::assoc(this).equal_range(key)); + return std::pair<const_assoc_iterator, const_assoc_iterator>( + const_assoc_iterator(r.first), const_assoc_iterator(r.second)); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::size_type + basic_ptree<K, D, C>::count(const key_type &key) const + { + return subs::assoc(this).count(key); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::size_type + basic_ptree<K, D, C>::erase(const key_type &key) + { + return subs::assoc(this).erase(key); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::iterator + basic_ptree<K, D, C>::to_iterator(assoc_iterator ai) + { + return iterator(subs::ch(this). + BOOST_NESTED_TEMPLATE project<0>(ai.base())); + } + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::const_iterator + basic_ptree<K, D, C>::to_iterator(const_assoc_iterator ai) const + { + return const_iterator(subs::ch(this). + BOOST_NESTED_TEMPLATE project<0>(ai.base())); + } + + // Property tree view + + template<class K, class D, class C> inline + typename basic_ptree<K, D, C>::data_type & + basic_ptree<K, D, C>::data() + { + return m_data; + } + + template<class K, class D, class C> inline + const typename basic_ptree<K, D, C>::data_type & + basic_ptree<K, D, C>::data() const + { + return m_data; + } + + template<class K, class D, class C> inline + void basic_ptree<K, D, C>::clear() + { + m_data = data_type(); + subs::ch(this).clear(); + } + + template<class K, class D, class C> + basic_ptree<K, D, C> & + basic_ptree<K, D, C>::get_child(const path_type &path) + { + path_type p(path); + self_type *n = walk_path(p); + if (!n) { + BOOST_PROPERTY_TREE_THROW(ptree_bad_path("No such node", path)); + } + return *n; + } + + template<class K, class D, class C> inline + const basic_ptree<K, D, C> & + basic_ptree<K, D, C>::get_child(const path_type &path) const + { + return const_cast<self_type*>(this)->get_child(path); + } + + template<class K, class D, class C> inline + basic_ptree<K, D, C> & + basic_ptree<K, D, C>::get_child(const path_type &path, + self_type &default_value) + { + path_type p(path); + self_type *n = walk_path(p); + return n ? *n : default_value; + } + + template<class K, class D, class C> inline + const basic_ptree<K, D, C> & + basic_ptree<K, D, C>::get_child(const path_type &path, + const self_type &default_value) const + { + return const_cast<self_type*>(this)->get_child(path, + const_cast<self_type&>(default_value)); + } + + + template<class K, class D, class C> + optional<basic_ptree<K, D, C> &> + basic_ptree<K, D, C>::get_child_optional(const path_type &path) + { + path_type p(path); + self_type *n = walk_path(p); + if (!n) { + return optional<self_type&>(); + } + return *n; + } + + template<class K, class D, class C> + optional<const basic_ptree<K, D, C> &> + basic_ptree<K, D, C>::get_child_optional(const path_type &path) const + { + path_type p(path); + self_type *n = walk_path(p); + if (!n) { + return optional<const self_type&>(); + } + return *n; + } + + template<class K, class D, class C> + basic_ptree<K, D, C> & + basic_ptree<K, D, C>::put_child(const path_type &path, + const self_type &value) + { + path_type p(path); + self_type &parent = force_path(p); + // Got the parent. Now get the correct child. + key_type fragment = p.reduce(); + assoc_iterator el = parent.find(fragment); + // If the new child exists, replace it. + if(el != parent.not_found()) { + return el->second = value; + } else { + return parent.push_back(value_type(fragment, value))->second; + } + } + + template<class K, class D, class C> + basic_ptree<K, D, C> & + basic_ptree<K, D, C>::add_child(const path_type &path, + const self_type &value) + { + path_type p(path); + self_type &parent = force_path(p); + // Got the parent. + key_type fragment = p.reduce(); + return parent.push_back(value_type(fragment, value))->second; + } + + template<class K, class D, class C> + template<class Type, class Translator> + typename boost::enable_if<detail::is_translator<Translator>, Type>::type + basic_ptree<K, D, C>::get_value(Translator tr) const + { + if(boost::optional<Type> o = get_value_optional<Type>(tr)) { + return *o; + } + BOOST_PROPERTY_TREE_THROW(ptree_bad_data( + std::string("conversion of data to type \"") + + typeid(Type).name() + "\" failed", data())); + } + + template<class K, class D, class C> + template<class Type> inline + Type basic_ptree<K, D, C>::get_value() const + { + return get_value<Type>( + typename translator_between<data_type, Type>::type()); + } + + template<class K, class D, class C> + template<class Type, class Translator> inline + Type basic_ptree<K, D, C>::get_value(const Type &default_value, + Translator tr) const + { + return get_value_optional<Type>(tr).get_value_or(default_value); + } + + template<class K, class D, class C> + template <class Ch, class Translator> + typename boost::enable_if< + detail::is_character<Ch>, + std::basic_string<Ch> + >::type + basic_ptree<K, D, C>::get_value(const Ch *default_value, Translator tr)const + { + return get_value<std::basic_string<Ch>, Translator>(default_value, tr); + } + + template<class K, class D, class C> + template<class Type> inline + typename boost::disable_if<detail::is_translator<Type>, Type>::type + basic_ptree<K, D, C>::get_value(const Type &default_value) const + { + return get_value(default_value, + typename translator_between<data_type, Type>::type()); + } + + template<class K, class D, class C> + template <class Ch> + typename boost::enable_if< + detail::is_character<Ch>, + std::basic_string<Ch> + >::type + basic_ptree<K, D, C>::get_value(const Ch *default_value) const + { + return get_value< std::basic_string<Ch> >(default_value); + } + + template<class K, class D, class C> + template<class Type, class Translator> inline + optional<Type> basic_ptree<K, D, C>::get_value_optional( + Translator tr) const + { + return tr.get_value(data()); + } + + template<class K, class D, class C> + template<class Type> inline + optional<Type> basic_ptree<K, D, C>::get_value_optional() const + { + return get_value_optional<Type>( + typename translator_between<data_type, Type>::type()); + } + + template<class K, class D, class C> + template<class Type, class Translator> inline + typename boost::enable_if<detail::is_translator<Translator>, Type>::type + basic_ptree<K, D, C>::get(const path_type &path, + Translator tr) const + { + return get_child(path).BOOST_NESTED_TEMPLATE get_value<Type>(tr); + } + + template<class K, class D, class C> + template<class Type> inline + Type basic_ptree<K, D, C>::get(const path_type &path) const + { + return get_child(path).BOOST_NESTED_TEMPLATE get_value<Type>(); + } + + template<class K, class D, class C> + template<class Type, class Translator> inline + Type basic_ptree<K, D, C>::get(const path_type &path, + const Type &default_value, + Translator tr) const + { + return get_optional<Type>(path, tr).get_value_or(default_value); + } + + template<class K, class D, class C> + template <class Ch, class Translator> + typename boost::enable_if< + detail::is_character<Ch>, + std::basic_string<Ch> + >::type + basic_ptree<K, D, C>::get( + const path_type &path, const Ch *default_value, Translator tr) const + { + return get<std::basic_string<Ch>, Translator>(path, default_value, tr); + } + + template<class K, class D, class C> + template<class Type> inline + typename boost::disable_if<detail::is_translator<Type>, Type>::type + basic_ptree<K, D, C>::get(const path_type &path, + const Type &default_value) const + { + return get_optional<Type>(path).get_value_or(default_value); + } + + template<class K, class D, class C> + template <class Ch> + typename boost::enable_if< + detail::is_character<Ch>, + std::basic_string<Ch> + >::type + basic_ptree<K, D, C>::get( + const path_type &path, const Ch *default_value) const + { + return get< std::basic_string<Ch> >(path, default_value); + } + + template<class K, class D, class C> + template<class Type, class Translator> + optional<Type> basic_ptree<K, D, C>::get_optional(const path_type &path, + Translator tr) const + { + if (optional<const self_type&> child = get_child_optional(path)) + return child.get(). + BOOST_NESTED_TEMPLATE get_value_optional<Type>(tr); + else + return optional<Type>(); + } + + template<class K, class D, class C> + template<class Type> + optional<Type> basic_ptree<K, D, C>::get_optional( + const path_type &path) const + { + if (optional<const self_type&> child = get_child_optional(path)) + return child.get().BOOST_NESTED_TEMPLATE get_value_optional<Type>(); + else + return optional<Type>(); + } + + template<class K, class D, class C> + template<class Type, class Translator> + void basic_ptree<K, D, C>::put_value(const Type &value, Translator tr) + { + if(optional<data_type> o = tr.put_value(value)) { + data() = *o; + } else { + BOOST_PROPERTY_TREE_THROW(ptree_bad_data( + std::string("conversion of type \"") + typeid(Type).name() + + "\" to data failed", boost::any())); + } + } + + template<class K, class D, class C> + template<class Type> inline + void basic_ptree<K, D, C>::put_value(const Type &value) + { + put_value(value, typename translator_between<data_type, Type>::type()); + } + + template<class K, class D, class C> + template<class Type, typename Translator> + basic_ptree<K, D, C> & basic_ptree<K, D, C>::put( + const path_type &path, const Type &value, Translator tr) + { + if(optional<self_type &> child = get_child_optional(path)) { + child.get().put_value(value, tr); + return *child; + } else { + self_type &child2 = put_child(path, self_type()); + child2.put_value(value, tr); + return child2; + } + } + + template<class K, class D, class C> + template<class Type> inline + basic_ptree<K, D, C> & basic_ptree<K, D, C>::put( + const path_type &path, const Type &value) + { + return put(path, value, + typename translator_between<data_type, Type>::type()); + } + + template<class K, class D, class C> + template<class Type, typename Translator> inline + basic_ptree<K, D, C> & basic_ptree<K, D, C>::add( + const path_type &path, const Type &value, Translator tr) + { + self_type &child = add_child(path, self_type()); + child.put_value(value, tr); + return child; + } + + template<class K, class D, class C> + template<class Type> inline + basic_ptree<K, D, C> & basic_ptree<K, D, C>::add( + const path_type &path, const Type &value) + { + return add(path, value, + typename translator_between<data_type, Type>::type()); + } + + + template<class K, class D, class C> + basic_ptree<K, D, C> * + basic_ptree<K, D, C>::walk_path(path_type &p) const + { + if(p.empty()) { + // I'm the child we're looking for. + return const_cast<basic_ptree*>(this); + } + // Recurse down the tree to find the path. + key_type fragment = p.reduce(); + const_assoc_iterator el = find(fragment); + if(el == not_found()) { + // No such child. + return 0; + } + // Not done yet, recurse. + return el->second.walk_path(p); + } + + template<class K, class D, class C> + basic_ptree<K, D, C> & basic_ptree<K, D, C>::force_path(path_type &p) + { + assert(!p.empty() && "Empty path not allowed for put_child."); + if(p.single()) { + // I'm the parent we're looking for. + return *this; + } + key_type fragment = p.reduce(); + assoc_iterator el = find(fragment); + // If we've found an existing child, go down that path. Else + // create a new one. + self_type& child = el == not_found() ? + push_back(value_type(fragment, self_type()))->second : el->second; + return child.force_path(p); + } + + // Free functions + + template<class K, class D, class C> + inline void swap(basic_ptree<K, D, C> &pt1, basic_ptree<K, D, C> &pt2) + { + pt1.swap(pt2); + } + +} } + +#if defined(BOOST_PROPERTY_TREE_PAIR_BUG) +#undef BOOST_PROPERTY_TREE_PAIR_BUG +#endif + +#endif |