xml-general mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Jason Jesso" <jje...@global-matrix.com>
Subject Re: XERCES-C in C programs
Date Wed, 05 Sep 2001 13:34:59 GMT
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
> >
> >
> >
> >---------------------------------------------------------------------
> >In case of troubles, e-mail:     webmaster@xml.apache.org
> >To unsubscribe, e-mail:          general-unsubscribe@xml.apache.org
> >For additional commands, e-mail: general-help@xml.apache.org
> >
> >
> 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
>
> ---------------------------------------------------------------------
> In case of troubles, e-mail:     webmaster@xml.apache.org
> To unsubscribe, e-mail:          general-unsubscribe@xml.apache.org
> For additional commands, e-mail: general-help@xml.apache.org



---------------------------------------------------------------------
In case of troubles, e-mail:     webmaster@xml.apache.org
To unsubscribe, e-mail:          general-unsubscribe@xml.apache.org
For additional commands, e-mail: general-help@xml.apache.org


Mime
View raw message