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Merge pull request #373 from gummif/gfa/tostring

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Problem: message_t to string is hard
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Simon Giesecke 2020-01-09 14:33:13 +01:00 committed by GitHub
commit bd27f24960
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2 changed files with 31 additions and 3 deletions
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12
tests/message.cpp
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@ -151,6 +151,18 @@ TEST_CASE("message equality non equal lhs empty", "[message]")
CHECK(msg_a != msg_b); CHECK(msg_a != msg_b);
} }
TEST_CASE("message to string", "[message]")
{
const zmq::message_t a;
const zmq::message_t b("Foo", 3);
CHECK(a.to_string() == "");
CHECK(b.to_string() == "Foo");
#ifdef ZMQ_CPP17
CHECK(a.to_string_view() == "");
CHECK(b.to_string_view() == "Foo");
#endif
}
#if defined(ZMQ_BUILD_DRAFT_API) && ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 2, 0) #if defined(ZMQ_BUILD_DRAFT_API) && ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 2, 0)
TEST_CASE("message routing id persists", "[message]") TEST_CASE("message routing id persists", "[message]")
{ {

22
zmq.hpp
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@ -552,9 +552,25 @@ class message_t
} }
#endif #endif
/** Dump content to string. Ascii chars are readable, the rest is printed as hex. // interpret message content as a string
* Probably ridiculously slow. std::string to_string() const
*/ {
return std::string(static_cast<const char*>(data()), size());
}
#ifdef ZMQ_CPP17
// interpret message content as a string
std::string_view to_string_view() const noexcept
{
return std::string_view(static_cast<const char*>(data()), size());
}
#endif
/** Dump content to string for debugging.
* Ascii chars are readable, the rest is printed as hex.
* Probably ridiculously slow.
* Use to_string() or to_string_view() for
* interpreting the message as a string.
*/
std::string str() const std::string str() const
{ {
// Partly mutuated from the same method in zmq::multipart_t // Partly mutuated from the same method in zmq::multipart_t