mirror of
https://github.com/jezhiggins/arabica
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76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
#ifndef ARABICA_XSLT_NAMESPACE_ALIAS_HANDLER_HPP
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#define ARABICA_XSLT_NAMESPACE_ALIAS_HANDLER_HPP
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#include <XML/XMLCharacterClasses.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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class NamespaceAliasHandler : public SAX::DefaultHandler<std::string>
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{
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public:
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NamespaceAliasHandler(CompilationContext<std::string>& context) :
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context_(context),
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done_(false)
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{
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} // NamespaceAliasHandler
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virtual void startElement(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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if(!done_)
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{
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static const ValueRule rules[] = { { "stylesheet-prefix", true, 0, 0 },
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{ "result-prefix", true, 0, 0 },
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{ 0, false, 0, 0 } };
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std::map<std::string, std::string> attrs = gatherAttributes(qName, atts, rules);
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std::string stylesheet_prefix = attrs["stylesheet-prefix"];
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std::string result_prefix = attrs["result-prefix"];
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if(stylesheet_prefix == "#default")
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stylesheet_prefix = "";
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if(result_prefix == "#default")
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result_prefix = "";
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std::map<std::string, std::string> namespaces = context_.inScopeNamespaces();
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if((namespaces.find(stylesheet_prefix) == namespaces.end()) &&
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(!stylesheet_prefix.empty()))
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throw SAX::SAXException("xslt:namespace-alias " + stylesheet_prefix + " is not a declared namespace prefix");
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if((namespaces.find(result_prefix) == namespaces.end()) &&
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(!result_prefix.empty()))
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throw SAX::SAXException("xslt:namespace-alias " + result_prefix + " is not a declared namespace prefix");
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context_.addNamespaceAlias(namespaces[stylesheet_prefix], result_prefix, namespaces[result_prefix]);
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return;
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} // if(!done_)
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throw SAX::SAXException(qName + " can not contain elements");
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} // startElement
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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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context_.pop();
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} // endElement
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virtual void characters(const std::string& ch)
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{
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verifyNoCharacterData(ch, "xsl:namespace-alias");
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} // characters
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private:
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CompilationContext<std::string>& context_;
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bool done_;
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}; // class NamespaceAliasHandler
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} //namespace XSLT
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} //namespace Arabica
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#endif
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