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-rw-r--r--contrib/src/boost/uuid/random_generator.hpp238
1 files changed, 119 insertions, 119 deletions
diff --git a/contrib/src/boost/uuid/random_generator.hpp b/contrib/src/boost/uuid/random_generator.hpp
index 0aa7e0d..0f4a0ab 100644
--- a/contrib/src/boost/uuid/random_generator.hpp
+++ b/contrib/src/boost/uuid/random_generator.hpp
@@ -1,119 +1,119 @@
-// Boost random_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_RANDOM_GENERATOR_HPP
-#define BOOST_UUID_RANDOM_GENERATOR_HPP
-
-#include <boost/uuid/uuid.hpp>
-#include <boost/uuid/seed_rng.hpp>
-#include <boost/random/uniform_int.hpp>
-#include <boost/random/variate_generator.hpp>
-#include <boost/random/mersenne_twister.hpp>
-#include <boost/assert.hpp>
-#include <boost/shared_ptr.hpp>
-#include <limits>
-
-namespace boost {
-namespace uuids {
-
-// generate a random-based uuid
-template <typename UniformRandomNumberGenerator>
-class basic_random_generator {
-private:
- typedef uniform_int<unsigned long> distribution_type;
- typedef variate_generator<UniformRandomNumberGenerator*, distribution_type> generator_type;
-
- struct null_deleter
- {
- void operator()(void const *) const {}
- };
-
-public:
- typedef uuid result_type;
-
- // default constructor creates the random number generator
- basic_random_generator()
- : pURNG(new UniformRandomNumberGenerator)
- , generator
- ( pURNG.get()
- , distribution_type
- ( (std::numeric_limits<unsigned long>::min)()
- , (std::numeric_limits<unsigned long>::max)()
- )
- )
- {
- // seed the random number generator
- detail::seed(*pURNG);
- }
-
- // keep a reference to a random number generator
- // don't seed a given random number generator
- explicit basic_random_generator(UniformRandomNumberGenerator& gen)
- : pURNG(&gen, null_deleter())
- , generator
- ( pURNG.get()
- , distribution_type
- ( (std::numeric_limits<unsigned long>::min)()
- , (std::numeric_limits<unsigned long>::max)()
- )
- )
- {}
-
- // keep a pointer to a random number generator
- // don't seed a given random number generator
- explicit basic_random_generator(UniformRandomNumberGenerator* pGen)
- : pURNG(pGen, null_deleter())
- , generator
- ( pURNG.get()
- , distribution_type
- ( (std::numeric_limits<unsigned long>::min)()
- , (std::numeric_limits<unsigned long>::max)()
- )
- )
- {
- BOOST_ASSERT(pURNG);
- }
-
- uuid operator()()
- {
- uuid u;
-
- int i=0;
- unsigned long random_value = generator();
- for (uuid::iterator it=u.begin(); it!=u.end(); ++it, ++i) {
- if (i==sizeof(unsigned long)) {
- random_value = generator();
- i = 0;
- }
-
- // static_cast gets rid of warnings of converting unsigned long to boost::uint8_t
- *it = static_cast<uuid::value_type>((random_value >> (i*8)) & 0xFF);
- }
-
- // set variant
- // must be 0b10xxxxxx
- *(u.begin()+8) &= 0xBF;
- *(u.begin()+8) |= 0x80;
-
- // set version
- // must be 0b0100xxxx
- *(u.begin()+6) &= 0x4F; //0b01001111
- *(u.begin()+6) |= 0x40; //0b01000000
-
- return u;
- }
-
-private:
- shared_ptr<UniformRandomNumberGenerator> pURNG;
- generator_type generator;
-};
-
-typedef basic_random_generator<mt19937> random_generator;
-
-}} // namespace boost::uuids
-
-#endif //BOOST_UUID_RANDOM_GENERATOR_HPP
+// Boost random_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_RANDOM_GENERATOR_HPP
+#define BOOST_UUID_RANDOM_GENERATOR_HPP
+
+#include <boost/uuid/uuid.hpp>
+#include <boost/uuid/seed_rng.hpp>
+#include <boost/random/uniform_int.hpp>
+#include <boost/random/variate_generator.hpp>
+#include <boost/random/mersenne_twister.hpp>
+#include <boost/assert.hpp>
+#include <boost/shared_ptr.hpp>
+#include <limits>
+
+namespace boost {
+namespace uuids {
+
+// generate a random-based uuid
+template <typename UniformRandomNumberGenerator>
+class basic_random_generator {
+private:
+ typedef uniform_int<unsigned long> distribution_type;
+ typedef variate_generator<UniformRandomNumberGenerator*, distribution_type> generator_type;
+
+ struct null_deleter
+ {
+ void operator()(void const *) const {}
+ };
+
+public:
+ typedef uuid result_type;
+
+ // default constructor creates the random number generator
+ basic_random_generator()
+ : pURNG(new UniformRandomNumberGenerator)
+ , generator
+ ( pURNG.get()
+ , distribution_type
+ ( (std::numeric_limits<unsigned long>::min)()
+ , (std::numeric_limits<unsigned long>::max)()
+ )
+ )
+ {
+ // seed the random number generator
+ detail::seed(*pURNG);
+ }
+
+ // keep a reference to a random number generator
+ // don't seed a given random number generator
+ explicit basic_random_generator(UniformRandomNumberGenerator& gen)
+ : pURNG(&gen, null_deleter())
+ , generator
+ ( pURNG.get()
+ , distribution_type
+ ( (std::numeric_limits<unsigned long>::min)()
+ , (std::numeric_limits<unsigned long>::max)()
+ )
+ )
+ {}
+
+ // keep a pointer to a random number generator
+ // don't seed a given random number generator
+ explicit basic_random_generator(UniformRandomNumberGenerator* pGen)
+ : pURNG(pGen, null_deleter())
+ , generator
+ ( pURNG.get()
+ , distribution_type
+ ( (std::numeric_limits<unsigned long>::min)()
+ , (std::numeric_limits<unsigned long>::max)()
+ )
+ )
+ {
+ BOOST_ASSERT(pURNG);
+ }
+
+ uuid operator()()
+ {
+ uuid u;
+
+ int i=0;
+ unsigned long random_value = generator();
+ for (uuid::iterator it=u.begin(); it!=u.end(); ++it, ++i) {
+ if (i==sizeof(unsigned long)) {
+ random_value = generator();
+ i = 0;
+ }
+
+ // static_cast gets rid of warnings of converting unsigned long to boost::uint8_t
+ *it = static_cast<uuid::value_type>((random_value >> (i*8)) & 0xFF);
+ }
+
+ // set variant
+ // must be 0b10xxxxxx
+ *(u.begin()+8) &= 0xBF;
+ *(u.begin()+8) |= 0x80;
+
+ // set version
+ // must be 0b0100xxxx
+ *(u.begin()+6) &= 0x4F; //0b01001111
+ *(u.begin()+6) |= 0x40; //0b01000000
+
+ return u;
+ }
+
+private:
+ shared_ptr<UniformRandomNumberGenerator> pURNG;
+ generator_type generator;
+};
+
+typedef basic_random_generator<mt19937> random_generator;
+
+}} // namespace boost::uuids
+
+#endif //BOOST_UUID_RANDOM_GENERATOR_HPP