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authorDaniel Wilhelm <daniel@wili.li>2014-04-18 17:29:28 +0200
committerDaniel Wilhelm <daniel@wili.li>2014-04-18 17:29:28 +0200
commit75c07011b7c4d06acd7b45dabdcd60ab9d80f385 (patch)
tree8853c3978dd152ef377e652239448b1352320206 /zenxml/cvrt_struc.h
parent5.22 (diff)
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Diffstat (limited to 'zenxml/cvrt_struc.h')
-rw-r--r--zenxml/cvrt_struc.h211
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diff --git a/zenxml/cvrt_struc.h b/zenxml/cvrt_struc.h
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--- 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
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