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# -*- Mode: Python -*-
# GObject-Introspection - a framework for introspecting GObject libraries
# Copyright (C) 2008 Johan Dahlin
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
#
from __future__ import with_statement
from .ast import (Callback, Class, Enum, Function, Interface, Member,
Sequence, Struct, Alias)
from .glibast import (GLibBoxed, GLibEnum, GLibEnumMember,
GLibFlags, GLibObject, GLibInterface)
from .xmlwriter import XMLWriter
class GIRWriter(XMLWriter):
def __init__(self, namespace):
super(GIRWriter, self).__init__()
self._write_repository(namespace)
def _write_repository(self, namespace):
attrs = [
('version', '1.0'),
('xmlns', 'http://www.gtk.org/introspection/core/1.0'),
('xmlns:c', 'http://www.gtk.org/introspection/c/1.0'),
('xmlns:glib', 'http://www.gtk.org/introspection/glib/1.0'),
]
with self.tagcontext('repository', attrs):
self._write_namespace(namespace)
def _write_namespace(self, namespace):
attrs = [('name', namespace.name)]
with self.tagcontext('namespace', attrs):
for node in namespace.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)
elif isinstance(node, Callback):
self._write_callback(node)
elif isinstance(node, Struct):
self._write_record(node)
elif isinstance(node, Member):
# FIXME: atk_misc_instance singleton
pass
elif isinstance(node, Alias):
self._write_alias(node)
else:
print 'WRITER: Unhandled node', node
def _write_alias(self, alias):
attrs = [('name', alias.name), ('target', alias.target)]
if alias.ctype is not None:
attrs.append(('c:type', ntype.ctype))
self.write_tag('alias', attrs)
def _write_function(self, func, tag_name='function'):
attrs = [('name', func.name),
('c:identifier', 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
attrs = []
if return_.transfer:
attrs.append(('transfer-ownership',
str(int(return_.transfer))))
with self.tagcontext('return-value', attrs):
if isinstance(return_.type, Sequence):
self._write_sequence(return_.type)
else:
self._write_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):
attrs = []
if parameter.name is not None:
attrs.append(('name', parameter.name))
if parameter.direction != 'in':
attrs.append(('direction', parameter.direction))
if parameter.transfer:
attrs.append(('transfer-ownership',
str(int(parameter.transfer))))
if parameter.allow_none:
attrs.append(('allow-none', '1'))
with self.tagcontext('parameter', attrs):
self._write_type(parameter.type)
def _write_type(self, ntype):
attrs = [('name', ntype.name)]
# FIXME: figure out if type references a basic type
# or a boxed/class/interface etc. and skip
# writing the ctype if the latter.
if ntype.ctype is not None:
attrs.append(('c:type', ntype.ctype))
self.write_tag('type', attrs)
def _write_sequence(self, sequence):
attrs = []
if sequence.transfer:
attrs.append(('transfer-ownership',
str(int(sequence.transfer))))
with self.tagcontext('sequence', attrs):
attrs = [('c:identifier', sequence.element_type)]
self.write_tag('element-type', attrs)
def _write_enum(self, enum):
attrs = [('name', enum.name),
('c:type', enum.symbol)]
tag_name = 'enumeration'
if isinstance(enum, GLibEnum):
attrs.extend([('glib:type-name', enum.type_name),
('glib:get-type', enum.get_type)])
if isinstance(enum, GLibFlags):
tag_name = 'bitfield'
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)),
('c:identifier', member.symbol)]
if isinstance(member, GLibEnumMember):
attrs.append(('glib:nick', member.nick))
self.write_tag('member', attrs)
def _write_class(self, node):
attrs = [('name', node.name),
('c:type', node.ctype)]
if isinstance(node, Class):
tag_name = 'class'
if node.parent is not None:
attrs.append(('parent', node.parent))
else:
tag_name = 'interface'
if isinstance(node, (GLibObject, GLibInterface)):
attrs.append(('glib:type-name', node.type_name))
attrs.append(('glib: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)
for field in node.fields:
self._write_field(field)
for signal in node.signals:
self._write_signal(signal)
def _write_boxed(self, boxed):
attrs = [('c:type', boxed.ctype),
('glib:name', boxed.name),
('glib:type-name', boxed.type_name),
('glib:get-type', boxed.get_type)]
with self.tagcontext('glib: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)]
with self.tagcontext('property', attrs):
self._write_type(prop.type)
def _write_callback(self, callback):
# FIXME: reuse _write_function
attrs = [('name', callback.name)]
with self.tagcontext('callback', attrs):
self._write_return_type(callback.retval)
self._write_parameters(callback.parameters)
def _write_record(self, record):
attrs = [('name', record.name),
('c:type', record.symbol)]
if record.fields:
with self.tagcontext('record', attrs):
for field in record.fields:
self._write_field(field)
else:
self.write_tag('record', attrs)
def _write_field(self, field):
# FIXME: Just function
if isinstance(field, (Callback, Function)):
self._write_callback(field)
return
attrs = [('name', field.name)]
with self.tagcontext('field', attrs):
self._write_type(field.type)
def _write_signal(self, signal):
attrs = [('name', signal.name)]
with self.tagcontext('glib:signal', attrs):
self._write_return_type(signal.retval)
self._write_parameters(signal.parameters)
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