xmloutputbuffercreateio_chdl.c

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#include <libxml/xmlIO.h>
#include <ch.h>
static ChInterp_t interp;

static int iowrite_chdl_funarg(void * context, char * buffer, int len);
static void *iowrite_chdl_funptr;

static int ioclose_chdl_funarg(void * context);
static void *ioclose_chdl_funptr;

EXPORTCH xmlOutputBufferPtr xmlOutputBufferCreateIO_chdl(void *varg) {
    va_list ap;
    xmlOutputWriteCallback iowrite, iowrite_ch=NULL;
    xmlOutputCloseCallback ioclose, ioclose_ch=NULL;
    void *ioctx;
    xmlCharEncodingHandlerPtr encoder;
    xmlOutputBufferPtr retval;

    Ch_VaStart(interp, ap, varg);
    iowrite = Ch_VaArg(interp, ap, xmlOutputWriteCallback);
    if(iowrite){
        iowrite_chdl_funptr = iowrite;
        iowrite_ch = iowrite_chdl_funarg;
    }
    ioclose = Ch_VaArg(interp, ap, xmlOutputCloseCallback);
    if(ioclose){
        ioclose_chdl_funptr = ioclose;
        ioclose_ch = ioclose_chdl_funarg;
    }
    ioctx = Ch_VaArg(interp, ap, void *);
    encoder = Ch_VaArg(interp, ap, xmlCharEncodingHandlerPtr);
    retval = xmlOutputBufferCreateIO(iowrite_ch, ioclose_ch, ioctx, encoder);
    Ch_VaEnd(interp, ap);
    return retval;
}
static int iowrite_chdl_funarg(void * context, char * buffer, int len){
    int retval;

    Ch_CallFuncByAddr(interp, iowrite_chdl_funptr, &retval, context, buffer, len);
    return retval;
}
static int ioclose_chdl_funarg(void * context){
    int retval;

    Ch_CallFuncByAddr(interp, ioclose_chdl_funptr, &retval, context);
    return retval;

}