arabica/include/XSLT/impl/handler/xslt_copy_handler.hpp
2012-11-04 17:12:14 +00:00

84 lines
2.7 KiB
C++

#ifndef ARABICA_XSLT_COPY_HANDLER_HPP
#define ARABICA_XSLT_COPY_HANDLER_HPP
#include "../xslt_copy.hpp"
namespace Arabica
{
namespace XSLT
{
template<class string_type, class string_adaptor>
class CopyHandler : public ItemContainerHandler<Copy<string_type, string_adaptor> >
{
public:
CopyHandler(CompilationContext<string_type, string_adaptor>& context) :
ItemContainerHandler<Copy<string_type, string_adaptor> >(context)
{
} // CopyHandler
virtual Copy<string_type, string_adaptor>* createContainer(const string_type& /* namespaceURI */,
const string_type& /* localName */,
const string_type& qName,
const SAX::Attributes<string_type, string_adaptor>& atts)
{
static const ValueRule rules[] = { { "use-attribute-sets", false, 0, 0 },
{ 0, false, 0, 0 } };
string_type sets = gatherAttributes(qName, atts, rules)["use-attribute-sets"];
return new Copy<string_type, string_adaptor>(sets);
} // createContainer
}; // class WhenHandler
template<class string_type, class string_adaptor>
class CopyOfHandler : public SAX::DefaultHandler<string_type, string_adaptor>
{
public:
CopyOfHandler(CompilationContext<string_type, string_adaptor>& context) :
context_(context),
copyOf_(0)
{
} // CopyOfHandler
virtual void startElement(const string_type& /* namespaceURI */,
const string_type& /* localName */,
const string_type& qName,
const SAX::Attributes<string_type, string_adaptor>& atts)
{
if(copyOf_ == 0)
{
static const ValueRule rules[] = { { "select", true, 0, 0 },
{ 0, false, 0, 0 } };
string_type select = gatherAttributes(qName, atts, rules)["select"];
copyOf_ = new CopyOf<string_type, string_adaptor>(context_.xpath_expression(select));
return;
} // if(copyOf_ == 0)
throw SAX::SAXException(qName + " can not contain elements");
} // startElement
virtual void endElement(const string_type& /* namespaceURI */,
const string_type& /* localName */,
const string_type& /* qName */)
{
context_.parentContainer().add_item(copyOf_);
context_.pop();
} // endElement
virtual void characters(const string_type& ch)
{
verifyNoCharacterData(ch, "xsl:copy-of");
} // characters
private:
CompilationContext<string_type, string_adaptor>& context_;
CopyOf<string_type, string_adaptor>* copyOf_;
}; // class CopyOfHandler
} // namespace XSLT
} // namespace Arabica
#endif