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add uuid/md5_name_generator, sha1_name_generator

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bolero-MURAKAMI 2012-08-08 22:27:06 +09:00
parent f05cd35fe8
commit 3955daf23b
6 changed files with 208 additions and 88 deletions
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72
sprout/uuid/md5_name_generator.hpp Normal file
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@ -0,0 +1,72 @@
#ifndef SPROUT_UUID_MD5_NAME_GENERATOR_HPP
#define SPROUT_UUID_MD5_NAME_GENERATOR_HPP
#include <sprout/config.hpp>
#include <sprout/string.hpp>
#include <sprout/uuid/uuid.hpp>
#include <sprout/checksum/md5.hpp>
namespace sprout {
namespace uuids {
//
// md5_name_generator
//
class md5_name_generator {
public:
typedef sprout::uuids::uuid result_type;
private:
typedef typename result_type::value_type value_type;
private:
sprout::md5 sum_;
private:
SPROUT_CONSTEXPR result_type sha_to_uuid_1(sprout::md5::value_type const& value) const {
return result_type{{
value[0],
value[1],
value[2],
value[3],
value[4],
value[5],
static_cast<value_type>((value[6] & 0x5F) | 0x50),
value[7],
static_cast<value_type>((value[8] & 0xBF) | 0x80),
value[9],
value[10],
value[11],
value[12],
value[13],
value[14],
value[15]
}};
}
SPROUT_CONSTEXPR result_type sha_to_uuid(sprout::md5 const& sha) const {
return sha_to_uuid_1(sha.checksum());
}
public:
SPROUT_CONSTEXPR md5_name_generator()
: sum_(sprout::md5::const_type().process_range(sprout::uuids::uuid{{0}}))
{}
explicit SPROUT_CONSTEXPR md5_name_generator(sprout::uuids::uuid const& namespace_uuid)
: sum_(sprout::md5::const_type().process_range(namespace_uuid))
{}
template<typename Elem, std::size_t N, typename Traits>
SPROUT_CONSTEXPR result_type operator()(sprout::basic_string<Elem, N, Traits> const& name) const {
return sha_to_uuid(sum_.process_range(name));
}
SPROUT_CONSTEXPR result_type operator()(char const* name) const {
return sha_to_uuid(sum_.process_bytes(name, sprout::char_traits<char>::length(name)));
}
SPROUT_CONSTEXPR result_type operator()(wchar_t const* name) const {
return sha_to_uuid(sum_.process_bytes(name, sprout::char_traits<wchar_t>::length(name)));
}
SPROUT_CONSTEXPR result_type operator()(char16_t const* name) const {
return sha_to_uuid(sum_.process_bytes(name, sprout::char_traits<char16_t>::length(name)));
}
SPROUT_CONSTEXPR result_type operator()(char32_t const* name) const {
return sha_to_uuid(sum_.process_bytes(name, sprout::char_traits<char32_t>::length(name)));
}
};
} // namespace uuids
} // namespace sprout
#endif // #ifndef SPROUT_UUID_MD5_NAME_GENERATOR_HPP

61
sprout/uuid/name_generator.hpp
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@ -2,70 +2,15 @@
#define SPROUT_UUID_NAME_GENERATOR_HPP
#include <sprout/config.hpp>
#include <sprout/string.hpp>
#include <sprout/uuid/uuid.hpp>
#include <sprout/checksum/sha1.hpp>
#include <sprout/uuid/md5_name_generator.hpp>
#include <sprout/uuid/sha1_name_generator.hpp>
namespace sprout {
namespace uuids {
//
// name_generator
//
class name_generator {
public:
typedef sprout::uuids::uuid result_type;
private:
typedef typename result_type::value_type value_type;
private:
sprout::sha1 sha_;
private:
SPROUT_CONSTEXPR result_type sha_to_uuid_1(sprout::sha1::value_type const& value) const {
return result_type{{
value[0],
value[1],
value[2],
value[3],
value[4],
value[5],
static_cast<value_type>((value[6] & 0x5F) | 0x50),
value[7],
static_cast<value_type>((value[8] & 0xBF) | 0x80),
value[9],
value[10],
value[11],
value[12],
value[13],
value[14],
value[15]
}};
}
SPROUT_CONSTEXPR result_type sha_to_uuid(sprout::sha1 const& sha) const {
return sha_to_uuid_1(sha.checksum());
}
public:
SPROUT_CONSTEXPR name_generator()
: sha_(sprout::sha1::const_type().process_range(sprout::uuids::uuid{{0}}))
{}
explicit SPROUT_CONSTEXPR name_generator(sprout::uuids::uuid const& namespace_uuid)
: sha_(sprout::sha1::const_type().process_range(namespace_uuid))
{}
template<typename Elem, std::size_t N, typename Traits>
SPROUT_CONSTEXPR result_type operator()(sprout::basic_string<Elem, N, Traits> const& name) const {
return sha_to_uuid(sha_.process_range(name));
}
SPROUT_CONSTEXPR result_type operator()(char const* name) const {
return sha_to_uuid(sha_.process_bytes(name, sprout::char_traits<char>::length(name)));
}
SPROUT_CONSTEXPR result_type operator()(wchar_t const* name) const {
return sha_to_uuid(sha_.process_bytes(name, sprout::char_traits<wchar_t>::length(name)));
}
SPROUT_CONSTEXPR result_type operator()(char16_t const* name) const {
return sha_to_uuid(sha_.process_bytes(name, sprout::char_traits<char16_t>::length(name)));
}
SPROUT_CONSTEXPR result_type operator()(char32_t const* name) const {
return sha_to_uuid(sha_.process_bytes(name, sprout::char_traits<char32_t>::length(name)));
}
};
typedef sprout::uuids::sha1_name_generator name_generator;
} // namespace uuids
} // namespace sprout

72
sprout/uuid/sha1_name_generator.hpp Normal file
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@ -0,0 +1,72 @@
#ifndef SPROUT_UUID_SHA1_NAME_GENERATOR_HPP
#define SPROUT_UUID_SHA1_NAME_GENERATOR_HPP
#include <sprout/config.hpp>
#include <sprout/string.hpp>
#include <sprout/uuid/uuid.hpp>
#include <sprout/checksum/sha1.hpp>
namespace sprout {
namespace uuids {
//
// sha1_name_generator
//
class sha1_name_generator {
public:
typedef sprout::uuids::uuid result_type;
private:
typedef typename result_type::value_type value_type;
private:
sprout::sha1 sum_;
private:
SPROUT_CONSTEXPR result_type sha_to_uuid_1(sprout::sha1::value_type const& value) const {
return result_type{{
value[0],
value[1],
value[2],
value[3],
value[4],
value[5],
static_cast<value_type>((value[6] & 0x5F) | 0x50),
value[7],
static_cast<value_type>((value[8] & 0xBF) | 0x80),
value[9],
value[10],
value[11],
value[12],
value[13],
value[14],
value[15]
}};
}
SPROUT_CONSTEXPR result_type sha_to_uuid(sprout::sha1 const& sha) const {
return sha_to_uuid_1(sha.checksum());
}
public:
SPROUT_CONSTEXPR sha1_name_generator()
: sum_(sprout::sha1::const_type().process_range(sprout::uuids::uuid{{0}}))
{}
explicit SPROUT_CONSTEXPR sha1_name_generator(sprout::uuids::uuid const& namespace_uuid)
: sum_(sprout::sha1::const_type().process_range(namespace_uuid))
{}
template<typename Elem, std::size_t N, typename Traits>
SPROUT_CONSTEXPR result_type operator()(sprout::basic_string<Elem, N, Traits> const& name) const {
return sha_to_uuid(sum_.process_range(name));
}
SPROUT_CONSTEXPR result_type operator()(char const* name) const {
return sha_to_uuid(sum_.process_bytes(name, sprout::char_traits<char>::length(name)));
}
SPROUT_CONSTEXPR result_type operator()(wchar_t const* name) const {
return sha_to_uuid(sum_.process_bytes(name, sprout::char_traits<wchar_t>::length(name)));
}
SPROUT_CONSTEXPR result_type operator()(char16_t const* name) const {
return sha_to_uuid(sum_.process_bytes(name, sprout::char_traits<char16_t>::length(name)));
}
SPROUT_CONSTEXPR result_type operator()(char32_t const* name) const {
return sha_to_uuid(sum_.process_bytes(name, sprout::char_traits<char32_t>::length(name)));
}
};
} // namespace uuids
} // namespace sprout
#endif // #ifndef SPROUT_UUID_SHA1_NAME_GENERATOR_HPP