Files
openlayers/bin/generate-types
2012-09-29 14:42:12 +02:00

100 lines
3.1 KiB
Python
Executable File

#!/usr/bin/env python
import fileinput
from operator import attrgetter
from optparse import OptionParser
import re
import sys
class Type(object):
def __init__(self, name, members=None):
self.name = name
self.namespace = '.'.join(self.name.split('.')[:-1]) or None
self.members = members or {}
def extern(self):
lines = []
lines.append('/**\n')
lines.append(' * @interface\n')
lines.append(' */\n')
lines.append('%s = function() {};\n' % (self.name,))
for key in sorted(self.members.keys()):
lines.append('\n')
lines.append('\n')
lines.append('/**\n')
lines.append(' * @type {%s}\n' % (self.members[key],))
lines.append(' */\n')
lines.append('%s.prototype.%s;\n' % (self.name, key))
return ''.join(lines)
def provide(self):
return 'goog.provide(\'%sType\');\n' % (self.name,)
def typedef(self):
lines = []
lines.append('/**\n')
for i, key in enumerate(sorted(self.members.keys())):
prefix = ' * @typedef {{' if i == 0 else ' * '
suffix = '}}' if i == len(self.members) - 1 else ','
type = self.members[key]
if '|' in type:
type = '(%s)' % (type,)
lines.append('%s%s: %s%s\n' % (prefix, key, type, suffix))
lines.append(' */\n')
lines.append('%s;\n' % (self.name,))
return ''.join(lines)
def main(argv):
option_parser = OptionParser()
option_parser.add_option('--externs', action='store_true')
option_parser.add_option('--typedef', action='store_true')
options, args = option_parser.parse_args(argv[1:])
types = []
for arg in args:
for line in open(arg):
line = line.strip()
if not line:
continue
m = re.match('@exportType\s*(?P<name>\S+)\Z', line)
if m:
type = Type(m.group('name'))
types.append(type)
continue
m = re.match('(?P<key>\S+):\s+(?P<value>\S+)', line)
if m:
type.members[m.group('key')] = m.group('value')
continue
raise RuntimeError(line)
types = sorted(types, key=attrgetter('name'))
if options.externs:
sys.stdout.write('/**\n')
sys.stdout.write(' * @externs\n')
sys.stdout.write(' */\n')
namespaces = sorted(set(filter(None, (type.namespace for type in types))))
for namespace in namespaces:
sys.stdout.write('\n\n')
sys.stdout.write('/**\n')
sys.stdout.write(' * @type {Object}\n')
sys.stdout.write(' */\n')
sys.stdout.write('var %s;\n' % (namespace,))
for type in types:
sys.stdout.write('\n\n\n')
sys.stdout.write(type.extern())
if options.typedef:
for type in types:
sys.stdout.write(type.provide())
for type in types:
sys.stdout.write('\n\n')
sys.stdout.write(type.typedef())
if __name__ == '__main__':
sys.exit(main(sys.argv))