applied patch from Ross Reedstrom, Brian West and Stefan Anca to add

* python/libxml.py python/types.c: applied patch from Ross Reedstrom,
  Brian West and Stefan Anca to add XPointer suport to the Python bindings
Daniel

2 files changed, 108 insertions, 3 deletions

diff --git a/python/libxml.py b/python/libxml.py
index f7c31299..4c9fe92f 100644
--- a/python/libxml.py
+++ b/python/libxml.py
@@ -552,10 +552,17 @@ def nodeWrap(o):
     return xmlNode(_obj=o)
 
 def xpathObjectRet(o):
-    if type(o) == type([]) or type(o) == type(()):
-        ret = map(lambda x: nodeWrap(x), o)
+    otype = type(o)
+    if otype == type([]):
+        ret = map(xpathObjectRet, o)
         return ret
-    return o
+    elif otype == type(()):
+        ret = map(xpathObjectRet, o)
+        return tuple(ret)
+    elif otype == type('') or otype == type(0) or otype == type(0.0):
+        return o
+    else:
+        return nodeWrap(o)
 
 #
 # register an XPath function
diff --git a/python/types.c b/python/types.c
index 6bcbcf69..5c5dcca2 100644
--- a/python/types.c
+++ b/python/types.c
@@ -395,8 +395,106 @@ libxml_xmlXPathObjectPtrWrap(xmlXPathObjectPtr obj)
             ret = PyString_FromString((char *) obj->stringval);
             break;
         case XPATH_POINT:
+        {
+            PyObject *node;
+            PyObject *indexIntoNode;
+            PyObject *tuple;
+
+            node = libxml_xmlNodePtrWrap(obj->user);
+            indexIntoNode = PyInt_FromLong((long) obj->index);
+
+            tuple = PyTuple_New(2);
+            PyTuple_SetItem(tuple, 0, node);
+            PyTuple_SetItem(tuple, 1, indexIntoNode);
+
+            ret = tuple;
+            break;
+        }
         case XPATH_RANGE:
+        {
+            unsigned short bCollapsedRange;
+
+            bCollapsedRange = ( (obj->user2 == NULL) ||
+		                ((obj->user2 == obj->user) && (obj->index == obj->index2)) );
+            if ( bCollapsedRange ) {
+                PyObject *node;
+                PyObject *indexIntoNode;
+                PyObject *tuple;
+                PyObject *list;
+
+                list = PyList_New(1);
+
+                node = libxml_xmlNodePtrWrap(obj->user);
+                indexIntoNode = PyInt_FromLong((long) obj->index);
+
+                tuple = PyTuple_New(2);
+                PyTuple_SetItem(tuple, 0, node);
+                PyTuple_SetItem(tuple, 1, indexIntoNode);
+
+                PyList_SetItem(list, 0, tuple);
+
+                ret = list;
+            } else {
+                PyObject *node;
+                PyObject *indexIntoNode;
+                PyObject *tuple;
+                PyObject *list;
+
+                list = PyList_New(2);
+
+                node = libxml_xmlNodePtrWrap(obj->user);
+                indexIntoNode = PyInt_FromLong((long) obj->index);
+
+                tuple = PyTuple_New(2);
+                PyTuple_SetItem(tuple, 0, node);
+                PyTuple_SetItem(tuple, 1, indexIntoNode);
+
+                PyList_SetItem(list, 0, tuple);
+
+                node = libxml_xmlNodePtrWrap(obj->user2);
+                indexIntoNode = PyInt_FromLong((long) obj->index2);
+
+                tuple = PyTuple_New(2);
+                PyTuple_SetItem(tuple, 0, node);
+                PyTuple_SetItem(tuple, 1, indexIntoNode);
+
+                PyList_SetItem(list, 1, tuple);
+
+                ret = list;
+            }
+            break;
+        }
         case XPATH_LOCATIONSET:
+        {
+            xmlLocationSetPtr set;
+
+            set = obj->user;
+            if ( set && set->locNr > 0 ) {
+                int i;
+                PyObject *list;
+
+                list = PyList_New(set->locNr);
+
+                for (i=0; i<set->locNr; i++) {
+                    xmlXPathObjectPtr setobj;
+                    PyObject *pyobj;
+
+                    setobj = set->locTab[i]; /*xmlXPathObjectPtr setobj*/
+
+                    pyobj = libxml_xmlXPathObjectPtrWrap(setobj);
+                    /* xmlXPathFreeObject(setobj) is called */
+                    set->locTab[i] = NULL;
+
+                    PyList_SetItem(list, i, pyobj);
+                }
+                set->locNr = 0;
+                ret = list;
+            } else {
+                Py_INCREF(Py_None);
+                ret = Py_None;
+            }
+            break;
+        }
         default:
 #ifdef DEBUG
             printf("Unable to convert XPath object type %d\n", obj->type);