diff options
Diffstat (limited to 'src/boost/libs/endian/example/udt_conversion_example.cpp')
-rw-r--r-- | src/boost/libs/endian/example/udt_conversion_example.cpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/boost/libs/endian/example/udt_conversion_example.cpp b/src/boost/libs/endian/example/udt_conversion_example.cpp new file mode 100644 index 00000000..b0a6d088 --- /dev/null +++ b/src/boost/libs/endian/example/udt_conversion_example.cpp @@ -0,0 +1,79 @@ +// udt_conversion_example.cpp --------------------------------------------------------// + +// Copyright Beman Dawes 2013 + +// Distributed under the Boost Software License, Version 1.0. +// http://www.boost.org/LICENSE_1_0.txt + +//--------------------------------------------------------------------------------------// + +#include <boost/endian/detail/disable_warnings.hpp> + +#include <boost/endian/conversion.hpp> +#include <iostream> +#include <cstring> + +using namespace boost::endian; +using std::cout; +using std::endl; +using boost::int32_t; +using boost::int64_t; + +namespace user +{ + class UDT + { + public: + UDT() : id_(0), value_(0) {desc_[0] = '\0';} + UDT(int32_t id, int64_t value, const char* desc) : id_(id), value_(value) + { + std::strncpy(desc_, desc, sizeof(desc_)-1); + desc_[sizeof(desc_)-1] = '\0'; + } + int32_t id() const {return id_;} + int64_t value() const {return value_;} + const char* desc() const {return desc_;} + void id(int32_t x) {id_ = x;} + void value(int64_t v) {value_ = v;} + void desc(const char* s) + { + std::strncpy(desc_, s, sizeof(desc_)-1); + desc_[sizeof(desc_-1)] = '\0'; + } + + friend void endian_reverse_inplace(UDT&); + + private: + int32_t id_; + int64_t value_; + char desc_[56]; // '/0' + }; + + void endian_reverse_inplace(UDT& x) + { + boost::endian::endian_reverse_inplace(x.id_); + boost::endian::endian_reverse_inplace(x.value_); + } +} + +int main(int, char* []) +{ + user::UDT x(1, 123456789012345LL, "Bingo!"); + + //cout << std::hex; + cout << "(1) " << x.id() << ' ' << x.value() << ' ' << x.desc() << endl; + + user::endian_reverse_inplace(x); + cout << "(2) " << x.id() << ' ' << x.value() << ' ' << x.desc() << endl; + + endian_reverse_inplace(x); + cout << "(3) " << x.id() << ' ' << x.value() << ' ' << x.desc() << endl; + + conditional_reverse_inplace<order::little, order::big>(x); + cout << "(4) " << x.id() << ' ' << x.value() << ' ' << x.desc() << endl; + + conditional_reverse_inplace(x, order::big, order::little); + cout << "(5) " << x.id() << ' ' << x.value() << ' ' << x.desc() << endl; +} + +#include <boost/endian/detail/disable_warnings_pop.hpp> |