mirror of
https://github.com/jezhiggins/arabica
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104 lines
2.4 KiB
C++
104 lines
2.4 KiB
C++
#ifndef ARABICA_XSLT_WITH_PARAM_HPP
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#define ARABICA_XSLT_WITH_PARAM_HPP
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#include "xslt_variable_impl.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 WithParam : public Variable_impl
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{
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public:
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WithParam(const std::string& name,
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const Arabica::XPath::XPathExpressionPtr<std::string>& select,
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const Precedence& precedence) :
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Variable_impl(name, select, precedence)
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{
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} // WithParam
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virtual ~WithParam() { }
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virtual void execute(const DOM::Node<std::string>& node, ExecutionContext& context) const
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{
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name_ = context.passParam(node, *this);
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} // declare
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void unpass(ExecutionContext& context) const
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{
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context.unpassParam(name_);
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} // unpass
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private:
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mutable std::string name_;
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}; // WithParam
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class WithParamable
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{
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protected:
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WithParamable()
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{
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} // WithParamable
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~WithParamable()
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{
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for(WithParamList::const_iterator s = withparams_.begin(), e = withparams_.end(); s != e; ++s)
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delete (*s);
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} // ~WithParamable
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public:
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void add_with_param(WithParam* withparam)
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{
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withparams_.push_back(withparam);
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} // add_WithParam
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private:
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void passParams(const DOM::Node<std::string>& node, ExecutionContext& context) const
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{
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for(WithParamList::const_iterator s = withparams_.begin(), e = withparams_.end(); s != e; ++s)
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(*s)->execute(node, context);
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} // execute
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void unpassParams(ExecutionContext& context) const
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{
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for(WithParamList::const_iterator s = withparams_.begin(), e = withparams_.end(); s != e; ++s)
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(*s)->unpass(context);
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} // unpassParams
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typedef std::vector<WithParam*> WithParamList;
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WithParamList withparams_;
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friend class ParamPasser;
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}; // class WithParamable
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class ParamPasser
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{
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public:
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ParamPasser(const WithParamable& paramable,
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const DOM::Node<std::string>& node,
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ExecutionContext& context) :
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paramable_(paramable),
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context_(context)
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{
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paramable_.passParams(node, context_);
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} // ParamPasser
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~ParamPasser()
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{
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paramable_.unpassParams(context_);
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} // ~ParamPasser
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private:
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const WithParamable& paramable_;
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ExecutionContext& context_;
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ParamPasser(const ParamPasser&);
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ParamPasser& operator=(const ParamPasser&);
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bool operator==(const ParamPasser&) const;
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}; // class ParamPasser
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} // namespace XSLT
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} // namespace Arabica
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#endif
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