gstreamer/tests/markup.c

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#include <stdarg.h>
#include <gst/gst.h>
#include <assert.h>
#include <string.h>
gchar *
gst_markup_vsprintf (const gchar *format,...)
{
va_list args;
gint i,j;
gboolean have_hash = FALSE;
gboolean longarg = FALSE;
GstObject *object;
gchar *newformat = g_new0(gchar,strlen(format));
gchar *newstring;
GSList *tofree = NULL;
gint dummy;
va_start(args, format);
for (i=0,j=0;i<strlen(format);i++,j++) {
newformat[j] = format[i];
if (have_hash) {
switch (format[i]) {
case 'l': longarg = TRUE;break;
case 'O': {
if (longarg) j--;
newformat[j] = 's';
object = va_arg(args,GstObject *);
if (longarg) {
fprintf(stderr,"have %%lO\n");
newstring = gst_object_get_path_string(object);
tofree = g_slist_prepend (tofree, newstring);
longarg = FALSE;
} else {
fprintf(stderr,"have %%O\n");
newstring = "something";
}
break;
}
case '%': break;
default: dummy = va_arg(args,gint);
}
}
if (format[i] == '%')
have_hash = TRUE;
}
newformat[j] = '\0';
fprintf(stderr,"new format is '%s'\n",newformat);
return g_strdup_vprintf(newformat,args);
}
int main(int argc,char *argv[]) {
GstElement *pipeline;
GstElement *src;
GST_DEBUG_ENTER("(%d)",argc);
gst_init(&argc,&argv);
pipeline = gst_pipeline_new("fakepipeline");
src = gst_elementfactory_make("fakesrc","src");
gst_bin_add(GST_BIN(pipeline),src);
fprintf(stderr,gst_markup_vsprintf("testing %d, %lO\n",2,"src"));
return 0;
}