127 lines
3.4 KiB
Plaintext
127 lines
3.4 KiB
Plaintext
#ifndef OSGINTROSPECTION_METHODINFO_
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#define OSGINTROSPECTION_METHODINFO_
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#include <osgIntrospection/Export>
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#include <osgIntrospection/CustomAttributeProvider>
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#include <osgIntrospection/Value>
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#include <osgIntrospection/Exceptions>
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#include <osgIntrospection/ParameterInfo>
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#include <cstdarg>
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#include <string>
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#include <vector>
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namespace osgIntrospection
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{
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class Type;
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/// Class MethodInfo stores information about a class method. It is an
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/// abstract class, so it must be derived to provide the actual
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/// implementation of isConst() and invoke(). Instances of this class
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/// can't be modified after their creation.
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class OSGINTROSPECTION_EXPORT MethodInfo: public CustomAttributeProvider
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{
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public:
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/// Direct initialization constructor.
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inline MethodInfo(const std::string &qname, const Type &decltype, const Type &rtype, const ParameterInfoList &plist);
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/// Returns the Type object associated to the type that
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/// declares the reflected method.
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inline virtual const Type &getDeclaringType() const;
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/// Returns the name of the reflected method.
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inline virtual const std::string &getName() const;
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/// Returns the return type of the reflected method.
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inline const Type &getReturnType() const;
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/// Returns a list of objects that describe the reflected
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/// method's parameters.
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inline const ParameterInfoList &getParameters() const;
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/// Returns whether the reflected method is const or not.
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virtual bool isConst() const = 0;
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/// Invokes the reflected method dynamically on the given const
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/// instance, passing it the arguments as a list of Value objects.
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virtual Value invoke(const Value &instance, ValueList &args) const = 0;
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/// Invokes the reflected method dynamically on the given instance,
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/// passing it the arguments as a list of Value objects.
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virtual Value invoke(Value &instance, ValueList &args) const = 0;
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/// Invokes the reflected method dynamically on the given const
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/// instance, without arguments.
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inline Value invoke(const Value &instance) const;
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/// Invokes the reflected method dynamically on the given
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/// instance, without arguments.
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inline Value invoke(Value &instance) const;
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private:
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inline std::string strip_namespace(const std::string &s) const;
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virtual void getInheritedProviders(CustomAttributeProviderList &providers) const;
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std::string name_;
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const Type &decltype_;
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const Type &rtype_;
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ParameterInfoList params_;
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};
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// INLINE METHODS
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inline MethodInfo::MethodInfo(const std::string &qname, const Type &decltype, const Type &rtype, const ParameterInfoList &plist)
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: CustomAttributeProvider(),
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decltype_(decltype),
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rtype_(rtype),
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params_(plist)
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{
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name_ = strip_namespace(qname);
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}
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inline std::string MethodInfo::strip_namespace(const std::string &s) const
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{
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std::string::size_type p = s.rfind("::");
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if (p != std::string::npos)
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return s.substr(p+2);
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return s;
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}
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inline const std::string &MethodInfo::getName() const
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{
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return name_;
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}
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inline const Type &MethodInfo::getDeclaringType() const
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{
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return decltype_;
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}
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inline const Type &MethodInfo::getReturnType() const
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{
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return rtype_;
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}
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inline const ParameterInfoList &MethodInfo::getParameters() const
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{
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return params_;
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}
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inline Value MethodInfo::invoke(const Value &instance) const
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{
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ValueList args;
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return invoke(instance, args);
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}
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inline Value MethodInfo::invoke(Value &instance) const
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{
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ValueList args;
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return invoke(instance, args);
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}
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}
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#endif
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