xmlparserinputbuffercreateio_chdl.c

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#include <libxml/xmlIO.h>
#include <ch.h>

static ChInterp_t interp;
static int ioread_chdl_funarg(void * context, char * buffer, int len);
static void *ioread_chdl_funptr;

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

EXPORTCH xmlParserInputBufferPtr xmlParserInputBufferCreateIO_chdl(void *varg) {
    va_list ap;
    xmlInputReadCallback ioread, ioread_ch=NULL;
    xmlInputCloseCallback ioclose, ioclose_ch=NULL;
    void *ioctx;
    xmlCharEncoding enc;
    xmlParserInputBufferPtr retval;

    Ch_VaStart(interp, ap, varg);
    ioread = Ch_VaArg(interp, ap, xmlInputReadCallback);
    if(ioread){
        ioread_chdl_funptr = ioread;
        ioread_ch = ioread_chdl_funarg;
    }
    ioclose = Ch_VaArg(interp, ap, xmlInputCloseCallback);
    if(ioclose){
        ioclose_chdl_funptr = ioclose;
        ioclose_ch = ioclose_chdl_funarg;
    }
    ioctx = Ch_VaArg(interp, ap, void *);
    enc = Ch_VaArg(interp, ap, xmlCharEncoding);
    retval = xmlParserInputBufferCreateIO(ioread_ch, ioclose_ch, ioctx, enc);
    Ch_VaEnd(interp, ap);
    return retval;
}

static int ioread_chdl_funarg(void * context, char * buffer, int len){
    int retval;

    Ch_CallFuncByAddr(interp, ioread_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;

}