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"""
Copyright 2008-2011 Free Software Foundation, Inc.
This file is part of GNU Radio
GNU Radio Companion 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.
GNU Radio Companion 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 Constants import BLOCK_DTD
from .. base import ParseXML
from .. base import odict
def convert_hier(flow_graph, python_file):
#extract info from the flow graph
input_sigs = flow_graph.get_io_signaturev('in')
output_sigs = flow_graph.get_io_signaturev('out')
input_msgp = flow_graph.get_msg_pad_sources();
output_msgp = flow_graph.get_msg_pad_sinks();
parameters = flow_graph.get_parameters()
bussink = flow_graph.get_bussink()
bussrc = flow_graph.get_bussrc()
bus_struct_sink = flow_graph.get_bus_structure_sink()
bus_struct_src = flow_graph.get_bus_structure_src()
block_key = flow_graph.get_option('id')
block_name = flow_graph.get_option('title') or flow_graph.get_option('id').replace('_', ' ').title()
block_category = flow_graph.get_option('category')
block_desc = flow_graph.get_option('description')
block_author = flow_graph.get_option('author')
#build the nested data
block_n = odict()
block_n['name'] = block_name
block_n['key'] = block_key
block_n['category'] = block_category
block_n['import'] = 'execfile("%s")'%python_file
#make data
if parameters: block_n['make'] = '%s(\n %s,\n)'%(
block_key,
',\n '.join(['%s=$%s'%(param.get_id(), param.get_id()) for param in parameters]),
)
else: block_n['make'] = '%s()'%block_key
#callback data
block_n['callback'] = ['set_%s($%s)'%(param.get_id(), param.get_id()) for param in parameters]
#param data
params_n = list()
for param in parameters:
param_n = odict()
param_n['name'] = param.get_param('label').get_value() or param.get_id()
param_n['key'] = param.get_id()
param_n['value'] = param.get_param('value').get_value()
param_n['type'] = 'raw'
params_n.append(param_n)
block_n['param'] = params_n
#sink data stream ports
if bussink:
block_n['bus_sink'] = '1';
if bussrc:
block_n['bus_source'] = '1';
block_n['sink'] = list()
for input_sig in input_sigs:
sink_n = odict()
sink_n['name'] = input_sig['label']
sink_n['type'] = input_sig['type']
sink_n['vlen'] = input_sig['vlen']
if input_sig['optional']: sink_n['optional'] = '1'
block_n['sink'].append(sink_n)
#sink data msg ports
for input_sig in input_msgp:
sink_n = odict()
sink_n['name'] = input_sig.get_param("label").get_value();
sink_n['type'] = "message"
sink_n['optional'] = input_sig.get_param("optional").get_value();
block_n['sink'].append(sink_n)
#source data stream ports
block_n['source'] = list()
if bus_struct_sink:
block_n['bus_structure_sink'] = bus_struct_sink[0].get_param('struct').get_value();
if bus_struct_src:
block_n['bus_structure_source'] = bus_struct_src[0].get_param('struct').get_value();
for output_sig in output_sigs:
source_n = odict()
source_n['name'] = output_sig['label']
source_n['type'] = output_sig['type']
source_n['vlen'] = output_sig['vlen']
if output_sig['optional']: source_n['optional'] = '1'
block_n['source'].append(source_n)
#source data msg ports
for output_sig in output_msgp:
source_n = odict()
source_n['name'] = output_sig.get_param("label").get_value();
source_n['type'] = "message"
source_n['optional'] = output_sig.get_param("optional").get_value();
block_n['source'].append(source_n)
#doc data
block_n['doc'] = "%s\n%s\n%s"%(block_author, block_desc, python_file)
block_n['grc_source'] = "%s"%(flow_graph.grc_file_path)
#write the block_n to file
xml_file = python_file + '.xml'
ParseXML.to_file({'block': block_n}, xml_file)
ParseXML.validate_dtd(xml_file, BLOCK_DTD)
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