mirror of
https://github.com/jezhiggins/arabica
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132 lines
4.4 KiB
C++
132 lines
4.4 KiB
C++
#ifndef JEZUK_SimpleDOM_ATTRNSIMPL_H
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#define JEZUK_SimpleDOM_ATTRNSIMPL_H
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#include <DOM/Simple/AttrImpl.hpp>
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#include <DOM/Simple/Helpers.hpp>
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namespace Arabica
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{
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namespace SimpleDOM
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{
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template<class stringT, class string_adaptorT>
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class AttrNSImpl : public AttrImpl<stringT, string_adaptorT>
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{
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public:
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typedef typename string_adaptorT::size_type size_type;
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typedef AttrImpl<stringT, string_adaptorT> AttrImplT;
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typedef DOM::Node_impl<stringT, string_adaptorT> DOMNode_implT;
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AttrNSImpl(DocumentImpl<stringT, string_adaptorT>* ownerDoc,
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const stringT& namespaceURI,
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bool hasNamespaceURI,
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const stringT& qualifiedName) :
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AttrImplT(ownerDoc, qualifiedName),
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prefix_(&ownerDoc->empty_string()),
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hasNamespaceURI_(false)
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{
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bool hasPrefix = false;
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stringT const* prefix_for_checking = (&ownerDoc->empty_string());
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size_type index = string_adaptorT::find(qualifiedName, string_adaptorT::construct_from_utf8(":"));
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if(index == string_adaptorT::npos())
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{ //qualifiedName contains no ':'
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localName_ = AttrImplT::ownerDoc_->stringPool(qualifiedName);
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if(*localName_ == string_adaptorT::construct_from_utf8("xmlns"))
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{
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hasPrefix = true;
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prefix_for_checking = localName_;
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} // if ...
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}
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else
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{
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hasPrefix = true;
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prefix_ = AttrImplT::ownerDoc_->stringPool(string_adaptorT::substr(qualifiedName, 0, index));
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localName_ = AttrImplT::ownerDoc_->stringPool(string_adaptorT::substr(qualifiedName, index+1));
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prefix_for_checking = prefix_;
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} // if(index == string_adaptorT::npos)
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std::pair<bool, stringT> mappedURI =
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checkPrefixAndNamespace<stringT, string_adaptorT>(hasPrefix, *prefix_for_checking, hasNamespaceURI, namespaceURI, DOM::Node_base::ATTRIBUTE_NODE);
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hasNamespaceURI_ = mappedURI.first;
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namespaceURI_ = AttrImplT::ownerDoc_->stringPool(mappedURI.second);
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} // AttrImpl
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virtual ~AttrNSImpl() { }
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///////////////////////////////////////////////////////
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// DOM::Node methods
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virtual DOMNode_implT* cloneNode(bool deep) const
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{
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AttrNSImpl* clone = dynamic_cast<AttrNSImpl*>(AttrImplT::ownerDoc_->createAttributeNS(*namespaceURI_, *AttrImplT::name_));
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AttrImplT::cloneChildren(clone);
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clone->setSpecified(AttrImplT::getSpecified());
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return clone;
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} // cloneNode
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virtual const stringT& getNamespaceURI() const
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{
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return *namespaceURI_;
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} // getNamespaceURI
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virtual const stringT& getPrefix() const
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{
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return *prefix_;
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} // getPrefix
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virtual void setPrefix(const stringT& prefix)
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{
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if(hasNamespaceURI_ == false)
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throw DOM::DOMException(DOM::DOMException::NAMESPACE_ERR);
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if(string_adaptorT::empty(prefix))
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{
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AttrImplT::name_ = localName_;
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prefix_ = &AttrImplT::ownerDoc_->empty_string();
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return;
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} // empty prefix
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checkPrefixAndNamespace<stringT, string_adaptorT>(true, prefix, true, *namespaceURI_, DOM::Node_base::ATTRIBUTE_NODE);
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stringT newName = prefix;
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string_adaptorT::append(newName, string_adaptorT::construct_from_utf8(":"));
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string_adaptorT::append(newName, *localName_);
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prefix_ = AttrImplT::ownerDoc_->stringPool(prefix);
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AttrImplT::name_ = AttrImplT::ownerDoc_->stringPool(newName);
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} // setPrefix
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virtual const stringT& getLocalName() const
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{
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return *localName_;
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} // getLocalName
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// additional three methods - since C++ std::string (and by implication
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// stringT) don't differenciate between a null string and an empty string,
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// but the DOM recommendation does, I have to introduce these three methods
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// to disambiguate. If they return false, the corresponding attribute should be
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// considered null. If they return true, the attribute has been set EVEN IF
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// it has been set to the empty string
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virtual bool hasNamespaceURI() const
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{
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return hasNamespaceURI_;
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} // hasNamespaceURI
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virtual bool hasPrefix() const
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{
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return !(*prefix_ == AttrImplT::ownerDoc_->empty_string());
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} // hasPrefix
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private:
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stringT const* namespaceURI_;
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stringT const* prefix_;
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stringT const* localName_;
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bool hasNamespaceURI_;
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}; // class AttrNSImpl
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} // namespace SAX2DOM
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} // namespace Arabica
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#endif
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