mirror of
https://github.com/jezhiggins/arabica
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85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
#ifndef ARABICA_XSLT_VARIABLES_HANDLER_HPP
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#define ARABICA_XSLT_VARIABLES_HANDLER_HPP
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#include "../xslt_param.hpp"
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#include "../xslt_variable.hpp"
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#include "xslt_item_container_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 VType>
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class VariableHandler : public ItemContainerHandler<VType>
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{
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public:
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VariableHandler(CompilationContext& context) :
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ItemContainerHandler<VType>(context),
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has_select_(false)
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{
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} // VariableHandler
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protected:
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virtual VType* createContainer(const std::string& namespaceURI,
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const std::string& localName,
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const std::string& qName,
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const SAX::Attributes<std::string>& atts)
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{
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static const ValueRule rules[] = { { "name", true, 0 },
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{ "select", false, 0 },
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{ 0, false, 0} };
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std::map<std::string, std::string> attrs = gatherAttributes(qName, atts, rules);
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const std::string& select = atts.getValue("select");
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Arabica::XPath::XPathExpressionPtr<std::string> xpath;
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if(select != "")
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{
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xpath = this->context().xpath_expression(select);
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has_select_ = true;
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} // if ...
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std::pair<std::string, std::string> name = this->context().processQName(attrs["name"]);
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return new VType(name.first, name.second, xpath);
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} // createContainer
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virtual void characters(const std::string& ch)
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{
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if(has_select_)
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{
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for(std::string::const_iterator i = ch.begin(), e = ch.end(); i != e; ++i)
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if(!Arabica::XML::is_space(*i))
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throw SAX::SAXException("A variable or param can not have both a select attribute and text context");
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}
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ItemContainerHandler<VType>::characters(ch);
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} // characters
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private:
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bool has_select_;
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}; // class VariableHandler
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template<class VType>
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class TopLevelVariableHandler : public VariableHandler<VType>
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{
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public:
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TopLevelVariableHandler(CompilationContext& context) :
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VariableHandler<VType>(context)
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{
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} // VariableHandler
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virtual void endElement(const std::string& namespaceURI,
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const std::string& localName,
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const std::string& qName)
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{
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this->context().stylesheet().add_item(this->container());
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this->context().pop();
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} // endElement
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}; // class TopLevelVariableHandler
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} // namespace XSLT
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} // namespace Arabica
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#endif
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