ardupilot/Tools/autotest/param_metadata/xmlemit.py

79 lines
3.2 KiB
Python

#!/usr/bin/env python
from xml.sax.saxutils import escape, quoteattr
from emit import Emit
from param import known_param_fields, known_units
# Emit APM documentation in an machine readable XML format
class XmlEmit(Emit):
def __init__(self):
Emit.__init__(self)
wiki_fname = 'apm.pdef.xml'
self.f = open(wiki_fname, mode='w')
preamble = '''<?xml version="1.0" encoding="utf-8"?>
<!-- Dynamically generated list of documented parameters (generated by param_parse.py) -->
<paramfile>
<vehicles>
'''
self.f.write(preamble)
def close(self):
self.f.write('</libraries>')
self.f.write('''</paramfile>\n''')
self.f.close()
def emit_comment(self, s):
self.f.write("<!-- " + s + " -->")
def start_libraries(self):
self.f.write('</vehicles>')
self.f.write('<libraries>')
def emit(self, g, f):
t = '''<parameters name=%s>\n''' % quoteattr(g.name) # i.e. ArduPlane
for param in g.params:
# Begin our parameter node
if hasattr(param, 'DisplayName'):
t += '<param humanName=%s name=%s' % (quoteattr(param.DisplayName), quoteattr(param.name)) # i.e. ArduPlane (ArduPlane:FOOPARM)
else:
t += '<param name=%s' % quoteattr(param.name)
if hasattr(param, 'Description'):
t += ' documentation=%s' % quoteattr(param.Description) # i.e. parameter docs
if hasattr(param, 'User'):
t += ' user=%s' % quoteattr(param.User) # i.e. Standard or Advanced
t += ">\n"
# Add values as chidren of this node
for field in param.__dict__.keys():
if field not in ['name', 'DisplayName', 'Description', 'User'] and field in known_param_fields:
if field == 'Values' and Emit.prog_values_field.match(param.__dict__[field]):
t += "<values>\n"
values = (param.__dict__[field]).split(',')
for value in values:
v = value.split(':')
if len(v) != 2:
raise ValueError("Bad value (%s)" % v)
t += '''<value code=%s>%s</value>\n''' % (quoteattr(v[0]), escape(v[1])) # i.e. numeric value, string label
t += "</values>\n"
elif field == 'Units':
abreviated_units = param.__dict__[field]
if abreviated_units != '':
units = known_units[abreviated_units] # use the known_units dictionary to convert the abreviated unit into a full textual one
t += '''<field name=%s>%s</field>\n''' % (quoteattr(field), escape(abreviated_units)) # i.e. A/s
t += '''<field name=%s>%s</field>\n''' % (quoteattr('UnitText'), escape(units)) # i.e. ampere per second
else:
t += '''<field name=%s>%s</field>\n''' % (quoteattr(field), escape(param.__dict__[field])) # i.e. Range: 0 10
t += '''</param>\n'''
t += '''</parameters>\n'''
# print t
self.f.write(t)