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# JSON generation
import json
def walk_enums(s):
r = []
for e in s:
d = []
d.append(e.name)
for b in e.block:
d.append(b)
d.append({'enumtype': e.enumtype})
r.append(d)
return r
def walk_services(s):
r = {}
for e in s:
d = {'reply': e.reply}
if e.stream:
d['stream'] = True
if e.events:
d['events'] = e.events
r[e.caller] = d
return r
def walk_defs(s, is_message=False):
r = []
for t in s:
d = []
d.append(t.name)
for b in t.block:
if b.type == 'Option':
continue
if b.type == 'Field':
if b.limit:
d.append([b.fieldtype, b.fieldname, b.limit])
else:
d.append([b.fieldtype, b.fieldname])
elif b.type == 'Array':
if b.lengthfield:
d.append([b.fieldtype, b.fieldname,
b.length, b.lengthfield])
else:
d.append([b.fieldtype, b.fieldname, b.length])
elif b.type == 'Union':
pass
else:
raise ValueError("Error in processing array type %s" % b)
if is_message and t.crc:
c = {}
c['crc'] = "{0:#0{1}x}".format(t.crc, 10)
d.append(c)
r.append(d)
return r
#
# Plugin entry point
#
def run(args, filename, s):
j = {}
j['types'] = (walk_defs([o for o in s['types']
if o.__class__.__name__ == 'Typedef']))
j['messages'] = walk_defs(s['Define'], True)
j['unions'] = (walk_defs([o for o in s['types']
if o.__class__.__name__ == 'Union']))
j['enums'] = (walk_enums([o for o in s['types']
if o.__class__.__name__ == 'Enum']))
j['services'] = walk_services(s['Service'])
j['options'] = s['Option']
j['aliases'] = {o.name:o.alias for o in s['types'] if o.__class__.__name__ == 'Using'}
j['vl_api_version'] = hex(s['file_crc'])
return json.dumps(j, indent=4, separators=(',', ': '))
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