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from __future__ import with_statement
from .gobjecttreebuilder import (GLibBoxed, GLibEnum, GLibEnumMember,
GLibFlags, GLibObject, GLibInterface)
from .treebuilder import Class, Enum, Function, Interface
from .xmlwriter import XMLWriter
class GIDLWriter(XMLWriter):
def __init__(self, namespace, nodes):
super(GIDLWriter, self).__init__()
self._write_api(namespace, nodes)
def _write_api(self, namespace, nodes):
with self.tagcontext('api', [('version', '1.0')]):
self._write_namespace(namespace, nodes)
def _write_namespace(self, namespace, nodes):
with self.tagcontext('namespace', [('name', namespace)]):
for node in nodes:
self._write_node(node)
def _write_node(self, node):
if isinstance(node, Function):
self._write_function(node)
elif isinstance(node, Enum):
self._write_enum(node)
elif isinstance(node, (Class, Interface)):
self._write_class(node)
elif isinstance(node, GLibBoxed):
self._write_boxed(node)
else:
print 'WRITER: Unhandled node', node
def _write_function(self, func, tag_name='function'):
attrs = [('name', func.name),
('symbol', func.symbol)]
with self.tagcontext(tag_name, attrs):
self._write_return_type(func.retval)
self._write_parameters(func.parameters)
def _write_method(self, method):
self._write_function(method, tag_name='method')
def _write_constructor(self, method):
self._write_function(method, tag_name='constructor')
def _write_return_type(self, return_):
if not return_:
return
self.write_tag('return-type', [('type', return_.type)])
def _write_parameters(self, parameters):
if not parameters:
return
with self.tagcontext('parameters'):
for parameter in parameters:
self._write_parameter(parameter)
def _write_parameter(self, parameter):
self.write_tag('parameter', [('name', parameter.name),
('type', parameter.type)])
def _write_enum(self, enum):
attrs = [('name', enum.name)]
tag_name = 'enum'
if isinstance(enum, GLibEnum):
attrs.append(('get-type', enum.get_type))
if isinstance(enum, GLibFlags):
tag_name = 'flags'
with self.tagcontext(tag_name, attrs):
for member in enum.members:
self._write_member(member)
def _write_member(self, member):
attrs = [('name', member.name),
('value', str(member.value))]
if isinstance(member, GLibEnumMember):
attrs.append(('nick', member.nick))
self.write_tag('member', attrs)
def _write_class(self, node):
attrs = [('name', node.name)]
if isinstance(node, Class):
tag_name = 'object'
attrs.append(('parent', node.parent))
else:
tag_name = 'interface'
if isinstance(node, (GLibObject, GLibInterface)):
attrs.append(('get-type', node.get_type))
with self.tagcontext(tag_name, attrs):
if isinstance(node, Class):
for method in node.constructors:
self._write_constructor(method)
for method in node.methods:
self._write_method(method)
for prop in node.properties:
self._write_property(prop)
def _write_boxed(self, boxed):
attrs = [('name', boxed.name)]
if isinstance(boxed, GLibBoxed):
attrs.append(('get-type', boxed.get_type))
with self.tagcontext('boxed', attrs):
for method in boxed.constructors:
self._write_constructor(method)
for method in boxed.methods:
self._write_method(method)
def _write_property(self, prop):
attrs = [('name', prop.name),
('prop', prop.type)]
self.write_tag('property', attrs)
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