summaryrefslogtreecommitdiffstats
path: root/contrib/src/boost/uuid/name_generator.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/src/boost/uuid/name_generator.hpp')
-rw-r--r--contrib/src/boost/uuid/name_generator.hpp125
1 files changed, 0 insertions, 125 deletions
diff --git a/contrib/src/boost/uuid/name_generator.hpp b/contrib/src/boost/uuid/name_generator.hpp
deleted file mode 100644
index 2e5d8c1..0000000
--- a/contrib/src/boost/uuid/name_generator.hpp
+++ /dev/null
@@ -1,125 +0,0 @@
-// Boost name_generator.hpp header file ----------------------------------------------//
-
-// Copyright 2010 Andy Tompkins.
-// Distributed under the Boost Software License, Version 1.0. (See
-// accompanying file LICENSE_1_0.txt or copy at
-// http://www.boost.org/LICENSE_1_0.txt)
-
-#ifndef BOOST_UUID_NAME_GENERATOR_HPP
-#define BOOST_UUID_NAME_GENERATOR_HPP
-
-#include <boost/uuid/uuid.hpp>
-#include <boost/uuid/sha1.hpp>
-#include <boost/assert.hpp>
-#include <string>
-#include <cstring> // for strlen, wcslen
-
-#ifdef BOOST_NO_STDC_NAMESPACE
-namespace std {
- using ::strlen;
- using ::wcslen;
-} //namespace std
-#endif //BOOST_NO_STDC_NAMESPACE
-
-namespace boost {
-namespace uuids {
-
-// generate a name-based uuid
-// TODO: add in common namesspace uuids
-class name_generator {
-public:
- typedef uuid result_type;
-
- explicit name_generator(uuid const& namespace_uuid_)
- : namespace_uuid(namespace_uuid_)
- {}
-
- uuid operator()(const char* name) {
- reset();
- process_characters(name, std::strlen(name));
- return sha_to_uuid();
- }
-
- uuid operator()(const wchar_t* name) {
- reset();
- process_characters(name, std::wcslen(name));
- return sha_to_uuid();
- }
-
- template <typename ch, typename char_traits, typename alloc>
- uuid operator()(std::basic_string<ch, char_traits, alloc> const& name) {
- reset();
- process_characters(name.c_str(), name.length());
- return sha_to_uuid();
- }
-
- uuid operator()(void const* buffer, std::size_t byte_count) {
- reset();
- sha.process_bytes(buffer, byte_count);
- return sha_to_uuid();
- };
-
-private:
- // we convert all characters to uint32_t so that each
- // character is 4 bytes reguardless of sizeof(char) or
- // sizeof(wchar_t). We want the name string on any
- // platform / compiler to generate the same uuid
- // except for char
- template <typename char_type>
- void process_characters(char_type const*const characters, size_t count) {
- BOOST_ASSERT(sizeof(uint32_t) >= sizeof(char_type));
-
- for (size_t i=0; i<count; i++) {
- uint32_t c = characters[i];
- sha.process_byte(static_cast<unsigned char>((c >> 0) & 0xFF));
- sha.process_byte(static_cast<unsigned char>((c >> 8) & 0xFF));
- sha.process_byte(static_cast<unsigned char>((c >> 16) & 0xFF));
- sha.process_byte(static_cast<unsigned char>((c >> 24) & 0xFF));
- }
- }
-
- void process_characters(char const*const characters, size_t count) {
- sha.process_bytes(characters, count);
- }
-
- void reset()
- {
- sha.reset();
- sha.process_bytes(namespace_uuid.begin(), namespace_uuid.size());
- }
-
- uuid sha_to_uuid()
- {
- unsigned int digest[5];
-
- sha.get_digest(digest);
-
- uuid u;
- for (int i=0; i<4; ++i) {
- *(u.begin() + i*4+0) = static_cast<uint8_t>((digest[i] >> 24) & 0xFF);
- *(u.begin() + i*4+1) = static_cast<uint8_t>((digest[i] >> 16) & 0xFF);
- *(u.begin() + i*4+2) = static_cast<uint8_t>((digest[i] >> 8) & 0xFF);
- *(u.begin() + i*4+3) = static_cast<uint8_t>((digest[i] >> 0) & 0xFF);
- }
-
- // set variant
- // must be 0b10xxxxxx
- *(u.begin()+8) &= 0xBF;
- *(u.begin()+8) |= 0x80;
-
- // set version
- // must be 0b0101xxxx
- *(u.begin()+6) &= 0x5F; //0b01011111
- *(u.begin()+6) |= 0x50; //0b01010000
-
- return u;
- }
-
-private:
- uuid namespace_uuid;
- detail::sha1 sha;
-};
-
-}} // namespace boost::uuids
-
-#endif // BOOST_UUID_NAME_GENERATOR_HPP