class x12xml(object):
def __init__(self, fd, type, dtd_urn):
self.writer = XMLWriter(fd)
if dtd_urn:
self.writer.doctype(
type, "-//J Holland//DTD XML X12 Document Conversion1.0//EN//XML",
"%s" % (dtd_urn))
self.writer.push(type)
self.last_path = None
def __del__(self):
pass
def seg(self, seg_node, seg_data):
"""
Generate XML for the segment data and matching map node
@param seg_node: Map Node
@type seg_node: L{node<map_if.x12_node>}
@param seg_data: Segment object
@type seg_data: L{segment<segment.Segment>}
"""
if not seg_node.is_segment():
raise EngineError('Node must be a segment')
parent = pop_to_parent_loop(seg_node) # Get enclosing loop
# check path for new loops to be added
cur_path = self._path_list(parent.get_path())
if self.last_path != cur_path:
last_path = self.last_path
match_idx = self._get_path_match_idx(last_path, cur_path)
root_path = self._path_list(os.path.commonprefix(
['/'.join(cur_path), '/'.join(last_path)]))
if seg_node.is_first_seg_in_loop() and root_path == cur_path:
match_idx -= 1
for i in range(len(last_path) - 1, match_idx - 1, -1):
self.writer.pop()
for i in range(match_idx, len(cur_path)):
(xname, attrib) = self._get_loop_info(cur_path[i])
self.writer.push(xname, attrib)
seg_node_id = self._get_node_id(seg_node, parent, seg_data)
(xname, attrib) = self._get_seg_info(seg_node_id)
self.writer.push(xname, attrib)
for i in range(len(seg_data)):
child_node = seg_node.get_child_node_by_idx(i)
if child_node.usage == 'N' or seg_data.get('%02i' % (i + 1)).is_empty():
pass # Do not try to ouput for invalid or empty elements
elif child_node.is_composite():
(xname, attrib) = self._get_comp_info(seg_node_id)
self.writer.push(xname, attrib)
comp_data = seg_data.get('%02i' % (i + 1))
for j in range(len(comp_data)):
subele_node = child_node.get_child_node_by_idx(j)
(xname, attrib) = self._get_subele_info(subele_node.id)
self.writer.elem(xname, comp_data[j].get_value(), attrib)
self.writer.pop() # end composite
elif child_node.is_element():
if seg_data.get_value('%02i' % (i + 1)) == '':
pass
#self.writer.empty(u"ele", attrs={u'id': child_node.id})
else:
(xname, attrib) = self._get_ele_info(child_node.id)
self.writer.elem(xname, seg_data.get_value(
'%02i' % (i + 1)), attrib)
else:
raise EngineError('Node must be a either an element or a composite')
self.writer.pop() # end segment
self.last_path = cur_path
def seg_context(self, seg_node, seg_data, pop_loops, push_loops):
"""
Generate XML for the segment data and matching map node
@param seg_node: Map Node
@type seg_node: L{node<map_if.x12_node>}
@param seg_data: Segment object
@type seg_data: L{segment<segment.Segment>}
"""
assert seg_node.is_segment(), 'Node must be a segment'
parent = pop_to_parent_loop(seg_node) # Get enclosing loop
for loop in pop_loops:
self.writer.pop()
for loop in push_loops:
(xname, attrib) = self._get_loop_info(loop.id)
self.writer.push(xname, attrib)
(xname, attrib) = self._get_seg_info(seg_node.id)
self.writer.push(xname, attrib)
for i in range(len(seg_data)):
child_node = seg_node.get_child_node_by_idx(i)
if child_node.usage == 'N' or seg_data.get('%02i' % (i + 1)).is_empty():
pass # Do not try to ouput for invalid or empty elements
elif child_node.is_composite():
(xname, attrib) = self._get_comp_info(seg_node.id)
self.writer.push(xname, attrib)
comp_data = seg_data.get('%02i' % (i + 1))
for j in range(len(comp_data)):
subele_node = child_node.get_child_node_by_idx(j)
(xname, attrib) = self._get_subele_info(subele_node.id)
self.writer.elem(xname, comp_data[j].get_value(), attrib)
self.writer.pop() # end composite
elif child_node.is_element():
if seg_data.get_value('%02i' % (i + 1)) == '':
pass
#self.writer.empty(u"ele", attrs={u'id': child_node.id})
else:
(xname, attrib) = self._get_ele_info(child_node.id)
self.writer.elem(xname, seg_data.get_value(
'%02i' % (i + 1)), attrib)
else:
raise EngineError('Node must be a either an element or a composite')
self.writer.pop() # end segment
def _path_list(self, path_str):
"""
Get list of path nodes from path string
@rtype: list
"""
return [x for x in path_str.split('/') if x != '']
def _get_path_match_idx(self, last_path, cur_path):
"""
Get the index of the last matching path nodes
"""
match_idx = 0
for i in range(min(len(cur_path), len(last_path))):
if cur_path[i] != last_path[i]:
break
match_idx += 1
return match_idx
def _get_node_id(self, seg_node, parent=None, seg_data=None):
"""
Base node id function
"""
return seg_node.id
def _get_loop_info(self, loop_id):
"""
Base loop node value
"""
loop_name = loop_id
attrib = {}
return (loop_name, attrib)
def _get_seg_info(self, seg_id):
"""
Base segment node value
"""
seg_name = seg_id
attrib = {}
return (seg_name, attrib)
def _get_comp_info(self, comp_id):
"""
Base composite node value
"""
comp_name = comp_id
attrib = {}
return (comp_name, attrib)
def _get_ele_info(self, ele_id):
"""
Base element node value
"""
name = ele_id
attrib = {}
return (name, attrib)
def _get_subele_info(self, subele_id):
"""
Base sub-element node value
"""
name = subele_id
attrib = {}
return (name, attrib)
class x12xml(object):
def __init__(self, fd, type, dtd_urn):
self.writer = XMLWriter(fd)
if dtd_urn:
self.writer.doctype(
type,
"-//J Holland//DTD XML X12 Document Conversion1.0//EN//XML",
"%s" % (dtd_urn))
self.writer.push(type)
self.last_path = None
def __del__(self):
pass
def seg(self, seg_node, seg_data):
"""
Generate XML for the segment data and matching map node
@param seg_node: Map Node
@type seg_node: L{node<map_if.x12_node>}
@param seg_data: Segment object
@type seg_data: L{segment<segment.Segment>}
"""
if not seg_node.is_segment():
raise EngineError('Node must be a segment')
parent = pop_to_parent_loop(seg_node) # Get enclosing loop
# check path for new loops to be added
cur_path = self._path_list(parent.get_path())
if self.last_path != cur_path:
last_path = self.last_path
match_idx = self._get_path_match_idx(last_path, cur_path)
root_path = self._path_list(
os.path.commonprefix(['/'.join(cur_path),
'/'.join(last_path)]))
if seg_node.is_first_seg_in_loop() and root_path == cur_path:
match_idx -= 1
for i in range(len(last_path) - 1, match_idx - 1, -1):
self.writer.pop()
for i in range(match_idx, len(cur_path)):
(xname, attrib) = self._get_loop_info(cur_path[i])
self.writer.push(xname, attrib)
seg_node_id = self._get_node_id(seg_node, parent, seg_data)
(xname, attrib) = self._get_seg_info(seg_node_id)
self.writer.push(xname, attrib)
for i in range(len(seg_data)):
child_node = seg_node.get_child_node_by_idx(i)
if child_node.usage == 'N' or seg_data.get('%02i' %
(i + 1)).is_empty():
pass # Do not try to ouput for invalid or empty elements
elif child_node.is_composite():
(xname, attrib) = self._get_comp_info(seg_node_id)
self.writer.push(xname, attrib)
comp_data = seg_data.get('%02i' % (i + 1))
for j in range(len(comp_data)):
subele_node = child_node.get_child_node_by_idx(j)
(xname, attrib) = self._get_subele_info(subele_node.id)
self.writer.elem(xname, comp_data[j].get_value(), attrib)
self.writer.pop() # end composite
elif child_node.is_element():
if seg_data.get_value('%02i' % (i + 1)) == '':
pass
#self.writer.empty(u"ele", attrs={u'id': child_node.id})
else:
(xname, attrib) = self._get_ele_info(child_node.id)
self.writer.elem(xname,
seg_data.get_value('%02i' % (i + 1)),
attrib)
else:
raise EngineError(
'Node must be a either an element or a composite')
self.writer.pop() # end segment
self.last_path = cur_path
def seg_context(self, seg_node, seg_data, pop_loops, push_loops):
"""
Generate XML for the segment data and matching map node
@param seg_node: Map Node
@type seg_node: L{node<map_if.x12_node>}
@param seg_data: Segment object
@type seg_data: L{segment<segment.Segment>}
"""
assert seg_node.is_segment(), 'Node must be a segment'
parent = pop_to_parent_loop(seg_node) # Get enclosing loop
for loop in pop_loops:
self.writer.pop()
for loop in push_loops:
(xname, attrib) = self._get_loop_info(loop.id)
self.writer.push(xname, attrib)
(xname, attrib) = self._get_seg_info(seg_node.id)
self.writer.push(xname, attrib)
for i in range(len(seg_data)):
child_node = seg_node.get_child_node_by_idx(i)
if child_node.usage == 'N' or seg_data.get('%02i' %
(i + 1)).is_empty():
pass # Do not try to ouput for invalid or empty elements
elif child_node.is_composite():
(xname, attrib) = self._get_comp_info(seg_node.id)
self.writer.push(xname, attrib)
comp_data = seg_data.get('%02i' % (i + 1))
for j in range(len(comp_data)):
subele_node = child_node.get_child_node_by_idx(j)
(xname, attrib) = self._get_subele_info(subele_node.id)
self.writer.elem(xname, comp_data[j].get_value(), attrib)
self.writer.pop() # end composite
elif child_node.is_element():
if seg_data.get_value('%02i' % (i + 1)) == '':
pass
#self.writer.empty(u"ele", attrs={u'id': child_node.id})
else:
(xname, attrib) = self._get_ele_info(child_node.id)
self.writer.elem(xname,
seg_data.get_value('%02i' % (i + 1)),
attrib)
else:
raise EngineError(
'Node must be a either an element or a composite')
self.writer.pop() # end segment
def _path_list(self, path_str):
"""
Get list of path nodes from path string
@rtype: list
"""
return [x for x in path_str.split('/') if x != '']
def _get_path_match_idx(self, last_path, cur_path):
"""
Get the index of the last matching path nodes
"""
match_idx = 0
for i in range(min(len(cur_path), len(last_path))):
if cur_path[i] != last_path[i]:
break
match_idx += 1
return match_idx
def _get_node_id(self, seg_node, parent=None, seg_data=None):
"""
Base node id function
"""
return seg_node.id
def _get_loop_info(self, loop_id):
"""
Base loop node value
"""
loop_name = loop_id
attrib = {}
return (loop_name, attrib)
def _get_seg_info(self, seg_id):
"""
Base segment node value
"""
seg_name = seg_id
attrib = {}
return (seg_name, attrib)
def _get_comp_info(self, comp_id):
"""
Base composite node value
"""
comp_name = comp_id
attrib = {}
return (comp_name, attrib)
def _get_ele_info(self, ele_id):
"""
Base element node value
"""
name = ele_id
attrib = {}
return (name, attrib)
def _get_subele_info(self, subele_id):
"""
Base sub-element node value
"""
name = subele_id
attrib = {}
return (name, attrib)
