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Diffstat (limited to 'zenxml/cvrt_struc.h')
| -rw-r--r-- | zenxml/cvrt_struc.h | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/zenxml/cvrt_struc.h b/zenxml/cvrt_struc.h deleted file mode 100644 index 690edacb..00000000 --- a/zenxml/cvrt_struc.h +++ /dev/null @@ -1,211 +0,0 @@ -// ************************************************************************** -// * This file is part of the zen::Xml project. It is distributed under the * -// * Boost Software License: http://www.boost.org/LICENSE_1_0.txt * -// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved * -// ************************************************************************** - -#ifndef ZEN_XML_CONVERT_STRUC_HEADER_018727409908342709743 -#define ZEN_XML_CONVERT_STRUC_HEADER_018727409908342709743 - -#include "dom.h" - -namespace zen -{ -/** -\file -\brief Handle conversion of arbitrary types to and from XML elements. -See comments in cvrt_text.h -*/ - -///Convert XML element to structured user data -/** - \param input The input XML element. - \param value Conversion target value. - \return "true" if value was read successfully. -*/ -template <class T> bool readStruc(const XmlElement& input, T& value); -///Convert structured user data into an XML element -/** - \param value The value to be converted. - \param output The output XML element. -*/ -template <class T> void writeStruc(const T& value, XmlElement& output); - - - - - - - - - - - - - - - - - -//------------------------------ implementation ------------------------------------- -namespace impl_2384343 -{ -ZEN_INIT_DETECT_MEMBER_TYPE(value_type); -ZEN_INIT_DETECT_MEMBER_TYPE(iterator); -ZEN_INIT_DETECT_MEMBER_TYPE(const_iterator); - -ZEN_INIT_DETECT_MEMBER(begin) // -ZEN_INIT_DETECT_MEMBER(end) //we don't know the exact declaration of the member attribute: may be in a base class! -ZEN_INIT_DETECT_MEMBER(insert) // -} - -template <typename T> -struct IsStlContainer : - StaticBool< - impl_2384343::HasMemberType_value_type <T>::value&& - impl_2384343::HasMemberType_iterator <T>::value&& - impl_2384343::HasMemberType_const_iterator<T>::value&& - impl_2384343::HasMember_begin <T>::value&& - impl_2384343::HasMember_end <T>::value&& - impl_2384343::HasMember_insert <T>::value> {}; - - -namespace impl_2384343 -{ -ZEN_INIT_DETECT_MEMBER_TYPE(first_type); -ZEN_INIT_DETECT_MEMBER_TYPE(second_type); - -ZEN_INIT_DETECT_MEMBER(first) //we don't know the exact declaration of the member attribute: may be in a base class! -ZEN_INIT_DETECT_MEMBER(second) // -} - -template <typename T> -struct IsStlPair : - StaticBool< - impl_2384343::HasMemberType_first_type <T>::value&& - impl_2384343::HasMemberType_second_type<T>::value&& - impl_2384343::HasMember_first <T>::value&& - impl_2384343::HasMember_second <T>::value> {}; - -//###################################################################################### - -//Conversion from arbitrary types to an XML element -enum ValueType -{ - VALUE_TYPE_STL_CONTAINER, - VALUE_TYPE_STL_PAIR, - VALUE_TYPE_OTHER, -}; - -template <class T> -struct GetValueType : StaticEnum<ValueType, - GetTextType<T>::value != TEXT_TYPE_OTHER ? VALUE_TYPE_OTHER : //some string classes are also STL containers, so check this first - IsStlContainer<T>::value ? VALUE_TYPE_STL_CONTAINER : - IsStlPair<T>::value ? VALUE_TYPE_STL_PAIR : - VALUE_TYPE_OTHER> {}; - - -template <class T, ValueType type> -struct ConvertElement; -/* -> expected interface -{ - void writeStruc(const T& value, XmlElement& output) const; - bool readStruc(const XmlElement& input, T& value) const; -}; -*/ - - -//partial specialization: handle conversion for all STL-container types! -template <class T> -struct ConvertElement<T, VALUE_TYPE_STL_CONTAINER> -{ - void writeStruc(const T& value, XmlElement& output) const - { - std::for_each(value.begin(), value.end(), - [&](const typename T::value_type & childVal) - { - XmlElement& newChild = output.addChild("Item"); - zen::writeStruc(childVal, newChild); - }); - } - bool readStruc(const XmlElement& input, T& value) const - { - bool success = true; - value.clear(); - - auto iterPair = input.getChildren("Item"); - for (auto iter = iterPair.first; iter != iterPair.second; ++iter) - { - typename T::value_type childVal; //MSVC 2010 bug: cannot put this into a lambda body - if (zen::readStruc(*iter, childVal)) - value.insert(value.end(), childVal); - else - success = false; - } - return success; - } -}; - - -//partial specialization: handle conversion for std::pair -template <class T> -struct ConvertElement<T, VALUE_TYPE_STL_PAIR> -{ - void writeStruc(const T& value, XmlElement& output) const - { - XmlElement& child1 = output.addChild("one"); //don't use "1st/2nd", this will confuse a few pedantic XML parsers - zen::writeStruc(value.first, child1); - - XmlElement& child2 = output.addChild("two"); - zen::writeStruc(value.second, child2); - } - bool readStruc(const XmlElement& input, T& value) const - { - bool success = true; - const XmlElement* child1 = input.getChild("one"); - if (!child1 || !zen::readStruc(*child1, value.first)) - success = false; - - const XmlElement* child2 = input.getChild("two"); - if (!child2 || !zen::readStruc(*child2, value.second)) - success = false; - - return success; - } -}; - - -//partial specialization: not a pure structured type, try text conversion (thereby respect user specializations of writeText()/readText()) -template <class T> -struct ConvertElement<T, VALUE_TYPE_OTHER> -{ - void writeStruc(const T& value, XmlElement& output) const - { - std::string tmp; - writeText(value, tmp); - output.setValue(tmp); - } - bool readStruc(const XmlElement& input, T& value) const - { - std::string rawStr; - input.getValue(rawStr); - return readText(rawStr, value); - } -}; - - -template <class T> inline -void writeStruc(const T& value, XmlElement& output) -{ - ConvertElement<T, GetValueType<T>::value>().writeStruc(value, output); -} - - -template <class T> inline -bool readStruc(const XmlElement& input, T& value) -{ - return ConvertElement<T, GetValueType<T>::value>().readStruc(input, value); -} -} - -#endif //ZEN_XML_CONVERT_STRUC_HEADER_018727409908342709743 |