7.4 Creating a Localized Message

The constructor for rwsf::LocalizedMessage provides a mechanism for looking up a localized string based on it's identifier. For example:

rwsf::LocalizedMessage msg(RWSF_CORE_ILLEGAL_INDEX);

You can then substitute any dynamic content using the replace() member function, or the templatized left shift operator (operator<<):

size_t index = 37;
size_t size = 35;
msg.replace(index);          // Replaces %1%
msg << size;                 // Replaces $2%

Finally, the localized, updated string can be accessed through the getMessage() member function:

std::cout << msg.getMessage() << std::endl;

For an example demonstrating throwing an rwsf::Exception containing an rwsf::LocalizedMessage, see Section 8.2.2.

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