mirror of
https://github.com/jezhiggins/arabica
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121 lines
3.9 KiB
C++
121 lines
3.9 KiB
C++
#ifndef ARABICA_XSLT_CREATE_HANDLER_HPP
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#define ARABICA_XSLT_CREATE_HANDLER_HPP
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#include <SAX/XMLReader.hpp>
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#include <SAX/helpers/DefaultHandler.hpp>
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#include <XPath/XPath.hpp>
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#include "../xslt_compilation_context.hpp"
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#include "../xslt_compiled_stylesheet.hpp"
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#include "xslt_constants.hpp"
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namespace Arabica
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{
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namespace XSLT
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{
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template<class Handler, class string_type, class string_adaptor>
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SAX::DefaultHandler<string_type, string_adaptor>* CreateHandler(CompilationContext<string_type, string_adaptor>& context)
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{
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return new Handler(context);
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} // create
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template<class string_type, class string_adaptor>
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class NotImplementedYetHandler : public SAX::DefaultHandler<string_type, string_adaptor>
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{
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public:
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NotImplementedYetHandler(CompilationContext<string_type, string_adaptor>& /* context */) { }
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virtual void startElement(const string_type& /* namespaceURI */,
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const string_type& /* localName */,
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const string_type& qName,
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const SAX::Attributes<string_type, string_adaptor>& /* atts */)
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{
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throw SAX::SAXException("Haven't implemented " + string_adaptor::asStdString(qName) + " yet");
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} // startElement
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}; // NotImplementedYetHandler
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template<class string_type, class string_adaptor> class ChildElementsBuilder;
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template<class string_type, class string_adaptor>
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class ChildElements
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{
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public:
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typedef SAX::DefaultHandler<string_type, string_adaptor>* (*CreateHandlerPtr)(CompilationContext<string_type, string_adaptor>&);
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static ChildElementsBuilder<string_type, string_adaptor> add(const string_type name, CreateHandlerPtr creator);
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ChildElements(const ChildElements& rhs) :
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elementCreators_(rhs.elementCreators_)
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{
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} // ChildElements
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SAX::DefaultHandler<string_type, string_adaptor>* create(const string_type& name, CompilationContext<string_type, string_adaptor>& context) const
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{
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CreatorMapIterator i = elementCreators_.find(name);
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if(i == elementCreators_.end())
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return 0;
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return i->second(context);
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} // create
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private:
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void put(const string_type name, CreateHandlerPtr creator)
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{
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elementCreators_[name] = creator;
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} // put
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ChildElements() { }
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typedef std::map<string_type, CreateHandlerPtr> CreatorMap;
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typedef typename std::map<string_type, CreateHandlerPtr>::const_iterator CreatorMapIterator;
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CreatorMap elementCreators_;
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friend class ChildElementsBuilder<string_type, string_adaptor>;
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}; // struct ChildElement
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template<class string_type, class string_adaptor>
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class ChildElementsBuilder
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{
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public:
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typedef SAX::DefaultHandler<string_type, string_adaptor>* (*CreateHandlerPtr)(CompilationContext<string_type, string_adaptor>&);
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operator ChildElements<string_type, string_adaptor>&() { return elements_; }
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ChildElementsBuilder& add(const string_type name, CreateHandlerPtr creator)
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{
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elements_.put(name, creator);
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return *this;
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} // add
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private:
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ChildElementsBuilder() :
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elements_()
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{
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} // ChildElementsBuilder
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ChildElementsBuilder(const ChildElementsBuilder& rhs) :
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elements_(rhs.elements_)
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{
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} // ChildElementsBuilder
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ChildElements<string_type, string_adaptor> elements_;
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friend class ChildElements<string_type, string_adaptor>;
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}; // class ChildElementsBuilder
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template<class string_type, class string_adaptor>
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ChildElementsBuilder<string_type, string_adaptor>
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ChildElements<string_type, string_adaptor>::add(const string_type name,
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typename ChildElements<string_type, string_adaptor>::CreateHandlerPtr creator)
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{
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ChildElementsBuilder<string_type, string_adaptor> builder;
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builder.add(name, creator);
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return builder;
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} // ChildElementsBuilder
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} // namespace XSLT
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} // namespace Arabica
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#endif // ARABICA_XSLT_CONSTANTS_HPP
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