mirror of
https://github.com/jezhiggins/arabica
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65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
#ifndef ARABICA_XSLT_VALUE_OF_HANDLER_HPP
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#define ARABICA_XSLT_VALUE_OF_HANDLER_HPP
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#include <XML/XMLCharacterClasses.hpp>
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#include "../xslt_value_of.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 string_type, class string_adaptor>
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class ValueOfHandler : public SAX::DefaultHandler<string_type, string_adaptor>
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{
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typedef StylesheetConstant<string_type, string_adaptor> SC;
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typedef AttributeValidators<string_type, string_adaptor> AV;
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public:
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ValueOfHandler(CompilationContext<string_type, string_adaptor>& context) :
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context_(context),
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valueOf_(0)
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{
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} // ValueOfHandler
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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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if(valueOf_ == 0)
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{
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static const AV rules = AV::rule(SC::select, true)
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.rule(SC::disable_output_escaping, false, SC::no, AllowedValues<string_type>(SC::yes, SC::no));
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std::map<string_type, string_type> attrs = rules.gather(qName, atts);
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valueOf_ = new ValueOf<string_type, string_adaptor>(context_.xpath_expression(attrs[SC::select]),
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attrs[SC::disable_output_escaping] == SC::yes);
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return;
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} // if(valueOf_ == 0)
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throw SAX::SAXException(string_adaptor::asStdString(qName) + " can not contain elements");
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} // startElement
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virtual void endElement(const string_type& /* namespaceURI */,
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const string_type& /* localName */,
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const string_type& /* qName */)
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{
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context_.parentContainer().add_item(valueOf_);
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context_.pop();
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} // endElement
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virtual void characters(const string_type& ch)
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{
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verifyNoCharacterData<string_type, string_adaptor>(ch, SC::value_of);
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} // characters
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private:
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CompilationContext<string_type, string_adaptor>& context_;
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ValueOf<string_type, string_adaptor>* valueOf_;
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}; // class ValueOfHandler
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} //namespace XSLT
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} //namespace Arabica
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#endif
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