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[xswiftbus] Use std::string_view for performance in CDBusMessage

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This avoids repeated dynamic memory allocations in dbusMessageHandler
methods and elsewhere due to repeatedly constructing temporary strings.

std::string_view is a C++17 feature but also part of the Library
Fundamentals TS and available in all our compilers.
This commit is contained in:
Mat Sutcliffe
2020-01-12 18:55:27 +00:00
parent 0c444ca45c
commit 0a2001a68e
3 changed files with 21 additions and 6 deletions
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6
src/xswiftbus/dbusmessage.cpp
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@@ -61,17 +61,17 @@ namespace XSwiftBus
return dbus_message_get_serial(m_message);
}
std::string CDBusMessage::getInterfaceName() const
string_view CDBusMessage::getInterfaceName() const
{
return dbus_message_get_interface(m_message);
}
std::string CDBusMessage::getObjectPath() const
string_view CDBusMessage::getObjectPath() const
{
return dbus_message_get_path(m_message);
}
std::string CDBusMessage::getMethodName() const
string_view CDBusMessage::getMethodName() const
{
return dbus_message_get_member(m_message);
}