from lxml.includes cimport tree
from lxml.includes.tree cimport xmlDoc, xmlDtd
cdef extern from "libxml/valid.h" nogil:
ctypedef void (*xmlValidityErrorFunc)(void * ctx, const char * msg, ...)
ctypedef void (*xmlValidityWarningFunc)(void * ctx, const char * msg, ...)
ctypedef struct xmlValidCtxt:
void *userData
xmlValidityErrorFunc error
xmlValidityWarningFunc warning
cdef xmlValidCtxt* xmlNewValidCtxt()
cdef void xmlFreeValidCtxt(xmlValidCtxt* cur)
cdef int xmlValidateDtd(xmlValidCtxt* ctxt, xmlDoc* doc, xmlDtd* dtd)
cdef tree.xmlElement* xmlGetDtdElementDesc(
xmlDtd* dtd, tree.const_xmlChar* name)