mirror of
https://github.com/jezhiggins/arabica
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67 lines
1.8 KiB
C++
Executable file
67 lines
1.8 KiB
C++
Executable file
#ifndef ARABICA_XSLT_PROCESSING_INSTRUCTION_HPP
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#define ARABICA_XSLT_PROCESSING_INSTRUCTION_HPP
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#include <XML/strings.hpp>
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#include <text/UnicodeCharacters.hpp>
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#include "xslt_item.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 ProcessingInstruction : public ItemContainer
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{
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public:
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ProcessingInstruction(const Arabica::XPath::XPathExpressionPtr<std::string>& name) :
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name_(name)
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{
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} // ProcessingInstruction
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virtual ~ProcessingInstruction() { }
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virtual void execute(const DOM::Node<std::string>& node, ExecutionContext& context) const
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{
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std::string name = name_->evaluateAsString(node, context.xpathContext());
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validate_name(name);
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context.sink().start_processing_instruction(name);
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execute_children(node, context);
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context.sink().end_processing_instruction();
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} // execute
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private:
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void validate_name(const std::string& name) const
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{
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if(name.empty())
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throw SAX::SAXException("xsl:processing-instruction : name attribute must evaluate to a valid name");
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if(!Arabica::XML::is_ncname(name))
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throw SAX::SAXException("xsl:processing-instruction : '" + name + "' is not valid as the name");
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if(name.length() != 3)
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return;
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typedef Arabica::text::Unicode<char> UnicodeT;
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if((name[0] != UnicodeT::CAPITAL_X) &&
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(name[0] != UnicodeT::LOWERCASE_X))
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return;
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if((name[1] != UnicodeT::CAPITAL_M) &&
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(name[1] != UnicodeT::LOWERCASE_M))
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return;
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if((name[2] != UnicodeT::CAPITAL_L) &&
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(name[2] != UnicodeT::LOWERCASE_L))
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return;
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throw SAX::SAXException("xsl:processing-instruction name can not be 'xml'");
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} // validate_name
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Arabica::XPath::XPathExpressionPtr<std::string> name_;
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}; // class ProcessingInstruction
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} // namespace XSLT
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} // namespace Arabica
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#endif
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