64 lines
1.3 KiB
C++
64 lines
1.3 KiB
C++
#ifndef seafire__routing__route_parameter_hxx_
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#define seafire__routing__route_parameter_hxx_
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#include <seafire/server/parameters.hxx>
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#include <seafire/server/request.hxx>
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#include <seafire/routing/parameters.hxx>
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#include <optional>
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namespace seafire::routing
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{
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template<
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server::parameter_name_t Name,
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typename ParameterType = server::string_parameter_t
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>
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class route_parameter_t
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: public server::named_parameter_t<Name>
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{
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public:
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using parameter_type = ParameterType;
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using value_type = typename parameter_type::value_type;
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route_parameter_t(std::optional<value_type> value)
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: _value{std::move(value)}
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{}
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using server::named_parameter_t<Name>::name;
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std::optional<value_type> const&
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value() const
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{
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return _value;
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}
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operator std::optional<value_type> const&() const
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{
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return value();
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}
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std::optional<value_type> const*
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operator->() const
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{
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return &value();
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}
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static
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route_parameter_t<Name, ParameterType>
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fetch(server::request_t& req)
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{
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auto v = req.extensions().use<route_parameters_t>().get(name());
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return parameter_type::try_parse(v);
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}
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private:
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std::optional<value_type> _value;
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};
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} // namespace seafire::routing
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#endif
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