Would this work if I compiled with a C compiler?
Thanks
Jason
Bob Jamison wrote:
> Jason Jesso wrote:
>
> >Hi:
> >
> >Can XERCES-C be used in C programs, even though it is C++? Are there C
> >bindings?
> >
> >Thanks
> >Jason
> >
> >
> >
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> >
> >
> Jason,
>
> A common way to use C++ libraries is to supply your own C API
> functions in a C++ file, declare them extern "C" in the .cpp file,
> and provide a .h file which lists only the function prototypes in C
> form (no C++ includes).
>
> example:
>
> ==============
>
> myapi.cpp:
>
> #include <some_cpp_files>
> #include "myapi.h"
>
> static SomeClass *myobj;
>
> extern "C" int myapi_init(void)
> {
> myobj= new SomeClass();
> }
>
> extern "C" int another_wrapper_function(void)
> {
> myobj->someMethod();
> }
>
> ==============
>
> in myapi.h:
>
> #ifndef MYAPI_H_
> #define MYAPI_H_
>
> #ifdef __cplusplus
> extern "C" {
> #endif
> int myapi_init(void);
> int another_wrapper_function(void);
>
> #ifdef __cplusplus
> }
> #endif
>
> #endif /* MYAPI_H_*/
>
> ==============
>
> ...and in the .c files that use this:
>
> #include <myapi.h>
>
> int somefunction(void)
> {
> myapi_init(); //get an object
> another_wrapper_function();
> ...etc...
> }
>
> Basically, what you would do in the API file, is declare a
> static global object pointer, and all of the other wrapper
> functions call methods on that object.
>
> Hope this helps.
>
> Bob
>
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