## \example rmf_xml.py
## This example converts an RMF file to xml, in order to display it in
## an XML viewer such as firefox. Its functionality is largely
## identical to the \c rmf_xml program included in \ref
## application_rmf_tools "RMF Tools". The secondary purpose it to
## provide an example of extracting all data from an RMF file and
## converting it to some other source. The data extracted here is
## completely uninterpreted (eg, cartesian coordinates are treated just
## the same as other values). See the source code of rmf_xml for a
## similar example in C++.

import RMF

# don't bother with command line arguments, to keep in simple
file_name=RMF.get_example_path("simple.rmf")
verbose=True

# show the data with the specified key category
def show_data_xml(nh, kc):
    rh= nh.get_file()
    # get all the keys, we could pull this up in the call stack
    keys= rh.get_keys(kc)
    opened=False
    for k in keys:
        if nh.get_has_value(k):
            if not opened:
                print "<", rh.get_name(kc)
                opened=True
            name=rh.get_name(k)
            name.replace(" ", "_")
            print name,"=\""+str(nh.get_value(k))+"\""
    if opened:
        print "/>"

def show_xml(nh, kcs):
    name=nh.get_name()
    name.replace(" ", "_")
    print "<node name=\""+name+"\" id=\""+str(nh.get_id().get_index())\
        +"\" type=\""+RMF.get_type_name(nh.get_type())+"\"/>";
    if verbose:
        for kc in kcs:
            show_data_xml(nh, kc)
    children= nh.get_children()
    for c in children:
        print "<child>"
        show_xml(c, kcs);
        print "</child>"

# open the file, and don't clear the contents
rh= RMF.open_rmf_file(file_name);
rh.set_current_frame(0)
print "<?xml version=\"1.0\"?>"
print "<rmf>"
print "<path>"
print file_name
print "</path>"
print "<description>"
print rh.get_description()
print "</description>"
print "<path>"
print input
print "</path>"
kcs= rh.get_categories()
show_xml(rh.get_root_node(), kcs)
print "</rmf>";