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Diffstat (limited to 'Examples/Exceptions/ExceptionCatch/exceptionCatch.cpp')
-rw-r--r-- | Examples/Exceptions/ExceptionCatch/exceptionCatch.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/Examples/Exceptions/ExceptionCatch/exceptionCatch.cpp b/Examples/Exceptions/ExceptionCatch/exceptionCatch.cpp new file mode 100644 index 0000000..1b95277 --- /dev/null +++ b/Examples/Exceptions/ExceptionCatch/exceptionCatch.cpp @@ -0,0 +1,64 @@ +/** + * exception.cpp + * @author Jasper van Eck<jasper.vaneck@copernica.com> + * + * An example file to show the working of a C++ function that + * takes a callback function as parameter, and handles the + * exception thrown by the callback function. + */ + +/** + * Libraries used. + */ +#include <phpcpp.h> + +/** + * Namespace to use + */ +using namespace std; + +/** + * my_catch_exception_function() + * Catches the exception thrown by the PHP callback function. + * @param Php::Parameters + */ +void my_catch_exception_function(Php::Parameters ¶ms) +{ + // the first parameter should be a callback + Php::Value callback = params[0]; + + // this must be a callable type + if (!callback.isCallable()) throw Php::Exception("Parameter 0 is not a function"); + + // we're going to call a function that could throw an exception, start a + // try-catch block to deal with that + try + { + // call the function + callback("some","example","parameters"); + } + catch (Php::Exception &exception) + { + // @todo handle the exception that was thrown from PHP space + } +} + + +// Symbols are exported according to the "C" language +extern "C" +{ + // export the "get_module" function that will be called by the Zend engine + PHPCPP_EXPORT void *get_module() + { + // create extension + static Php::Extension extension("my_exception_catch","1.0"); + + // add function to extension + extension.add("my_catch_exception_function", my_catch_exception_function, { + Php::ByVal("callback", Php::callableType); + }); + + // return the extension module + return extension.module(); + } +} |