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More functionality moved to type_index_facade and better documentation for facade.

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This commit is contained in:
Antony Polukhin
2014-02-09 14:16:36 +04:00
parent 2ef8924510
commit de0d90eca1
2 changed files with 33 additions and 42 deletions
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20
include/boost/type_index/ctti_type_index.hpp
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@@ -30,7 +30,6 @@
#include <boost/static_assert.hpp>
#include <boost/type_traits/remove_cv.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <boost/functional/hash_fwd.hpp>
namespace boost { namespace typeind {
@@ -60,14 +59,9 @@ public:
{}
inline const type_info_t& type_info() const BOOST_NOEXCEPT;
inline const char* raw_name() const BOOST_NOEXCEPT;
inline const char* name() const BOOST_NOEXCEPT;
inline std::string pretty_name() const;
inline std::size_t hash_code() const BOOST_NOEXCEPT;
inline bool equal(const ctti_type_index& rhs) const BOOST_NOEXCEPT;
inline bool before(const ctti_type_index& rhs) const BOOST_NOEXCEPT;
template <class T>
inline static ctti_type_index construct() BOOST_NOEXCEPT;
@@ -120,10 +114,6 @@ inline const char* ctti_type_index::raw_name() const BOOST_NOEXCEPT {
}
inline const char* ctti_type_index::name() const BOOST_NOEXCEPT {
return data_->typename_;
}
inline std::string ctti_type_index::pretty_name() const {
std::size_t len = std::strlen(raw_name() + detail::ctti_skip_size_at_end);
while (raw_name()[len - 1] == ' ') --len; // MSVC sometimes adds whitespaces
@@ -131,16 +121,6 @@ inline std::string ctti_type_index::pretty_name() const {
}
inline bool ctti_type_index::equal(const ctti_type_index& rhs) const BOOST_NOEXCEPT {
return raw_name() == rhs.raw_name() || !std::strcmp(raw_name(), rhs.raw_name());
}
inline bool ctti_type_index::before(const ctti_type_index& rhs) const BOOST_NOEXCEPT {
return raw_name() != rhs.raw_name() && std::strcmp(raw_name(), rhs.raw_name()) < 0;
}
inline std::size_t ctti_type_index::hash_code() const BOOST_NOEXCEPT {
return boost::hash_range(raw_name(), raw_name() + std::strlen(raw_name() + detail::ctti_skip_size_at_end));
}

55
include/boost/type_index/type_index_facade.hpp
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@@ -15,7 +15,9 @@
#endif
#include <boost/config.hpp>
#include <boost/functional/hash_fwd.hpp>
#include <string>
#include <cstring>
#if !defined(BOOST_NO_IOSTREAM)
#if !defined(BOOST_NO_IOSFWD)
@@ -56,56 +58,65 @@ template <class Derived, class TypeInfo>
class type_index_facade {
private:
/// @cond
Derived& derived() BOOST_NOEXCEPT {
return *static_cast<Derived*>(this);
}
const Derived & derived() const BOOST_NOEXCEPT {
return *static_cast<Derived const*>(this);
}
/// @endcond
public:
typedef TypeInfo type_info_t;
typedef type_index_facade<Derived, TypeInfo> this_type;
const type_info_t& type_info() const BOOST_NOEXCEPT {
/// \b Override: This function \b must be redefined in Derived class. Overrides \b must not throw.
/// \return Const reference to underlying low level type_info_t.
inline const type_info_t& type_info() const BOOST_NOEXCEPT {
return derived().type_info();
}
/// \b Override: This function \b must be redefined in Derived class. Overrides \b must not throw.
/// \return Pointer to unredable/raw type name.
inline const char* raw_name() const BOOST_NOEXCEPT {
return derived().raw_name();
}
inline const char* name() const BOOST_NOEXCEPT {
return derived().name();
}
/// \b Override: This function \b must be redefined in Derived class. Overrides may throw.
/// \return Human redable type name.
inline std::string pretty_name() const {
return derived().pretty_name();
}
/// \b Override: This function \b may be redefined in Derived class. Overrides \b must not throw.
/// \return Name of a type. By default retuns raw_name().
inline const char* name() const BOOST_NOEXCEPT {
return raw_name();
}
/// \b Override: This function \b may be redefined in Derived class. Overrides \b must not throw.
/// \return True if two types are equal. By default compares types by raw_name().
inline bool equal(const Derived& rhs) const BOOST_NOEXCEPT {
return raw_name() == rhs.raw_name() || !std::strcmp(raw_name(), rhs.raw_name());
}
/// \b Override: This function \b may be redefined in Derived class. Overrides \b must not throw.
/// \return True if rhs is greater than this. By default compares types by raw_name().
inline bool before(const Derived& rhs) const BOOST_NOEXCEPT {
return raw_name() != rhs.raw_name() && std::strcmp(raw_name(), rhs.raw_name()) < 0;
}
/// \b Override: This function \b may be redefined in Derived class. Overrides \b must not throw.
/// \return Hash code of a type. By default hashes types by raw_name().
inline std::size_t hash_code() const BOOST_NOEXCEPT {
return derived().hash_code();
}
inline bool equal(const this_type& rhs) const BOOST_NOEXCEPT {
return derived().equal(rhs.derived());
}
inline bool before(const this_type& rhs) const BOOST_NOEXCEPT {
return derived().before(rhs.derived());
return boost::hash_range(raw_name(), raw_name() + std::strlen(raw_name()));
}
};
/// @cond
template <class Derived, class TypeInfo>
inline bool operator == (const type_index_facade<Derived, TypeInfo>& lhs, const type_index_facade<Derived, TypeInfo>& rhs) BOOST_NOEXCEPT {
return lhs.equal(rhs);
return static_cast<Derived const&>(lhs).equal(static_cast<Derived const&>(rhs));
}
template <class Derived, class TypeInfo>
inline bool operator < (const type_index_facade<Derived, TypeInfo>& lhs, const type_index_facade<Derived, TypeInfo>& rhs) BOOST_NOEXCEPT {
return lhs.before(rhs);
return static_cast<Derived const&>(lhs).before(static_cast<Derived const&>(rhs));;
}
@@ -235,7 +246,7 @@ inline std::basic_ostream<CharT, TriatT>& operator<<(
/// This free function is used by Boost's unordered containers.
template <class Derived, class TypeInfo>
inline std::size_t hash_value(const type_index_facade<Derived, TypeInfo>& lhs) BOOST_NOEXCEPT {
return lhs.hash_code();
return static_cast<Derived const&>(lhs).hash_code();
}
}} // namespace boost::typeind