mirror of
https://github.com/jezhiggins/arabica
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95 lines
3.8 KiB
C++
95 lines
3.8 KiB
C++
#ifndef ARABICA_XSLT_OUTPUT_HANDLER_HPP
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#define ARABICA_XSLT_OUTPUT_HANDLER_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 OutputHandler : 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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OutputHandler(CompilationContext<string_type, string_adaptor>& context) :
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context_(context)
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{
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} // OutputHandler
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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(settings_.empty())
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{
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static const AV rules = AV::rule(SC::method, false, SC::xml, AllowedValues<string_type>(SC::xml, SC::html, SC::text))
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.rule(SC::version, false, SC::Version)
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.rule(SC::encoding, false, SC::utf8)
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.rule(SC::omit_xml_declaration, false, SC::no, AllowedValues<string_type>(SC::yes, SC::no))
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.rule(SC::standalone, false, string_adaptor::empty_string(), AllowedValues<string_type>(SC::yes, SC::no))
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.rule(SC::doctype_public, false, string_adaptor::empty_string())
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.rule(SC::doctype_system, false, string_adaptor::empty_string())
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.rule(SC::cdata_section_elements, false, string_adaptor::empty_string())
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.rule(SC::indent, false, SC::no, AllowedValues<string_type>(SC::yes, SC::no))
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.rule(SC::media_type, false, string_adaptor::empty_string());
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settings_ = rules.gather(qName, atts);
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cdataElements_ = extractCDATAElements(settings_[SC::cdata_section_elements]);
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return;
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} // if(settings_ == 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_.stylesheet().output_settings(settings_, cdataElements_);
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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::output);
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} // characters
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private:
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typedef typename Output<string_type, string_adaptor>::CDATAElements CDATAElements;
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typedef typename Output<string_type, string_adaptor>::Settings Settings;
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CDATAElements extractCDATAElements(const string_type& cdata_section_elements) const
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{
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CDATAElements elements;
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if(string_adaptor::empty(cdata_section_elements))
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return elements;
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string_type norm_cdata_sec_elements = text::normalize_whitespace<string_type, string_adaptor>(cdata_section_elements);
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std::basic_stringstream<typename string_adaptor::value_type> is;
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is << norm_cdata_sec_elements;
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while(!is.eof())
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{
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std::basic_string<typename string_adaptor::value_type> e;
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is >> e;
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XML::QualifiedName<string_type, string_adaptor> qualifiedName = context_.processElementQName(string_adaptor::construct(e));
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elements.insert(QName<string_type, string_adaptor>::create(qualifiedName));
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} // while
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return elements;
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} // extractCDATAElements
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CompilationContext<string_type, string_adaptor>& context_;
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Settings settings_;
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CDATAElements cdataElements_;
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}; // class OutputHandler
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} // namespace XSLT
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} // namespace Arabica
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#endif
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