HGKeeper

# This program takes a C source as the input and produces the list of

# all signals registered.

# Output is:

# <signal name="Changed">

# <arg name="new_value" type="b"/>

# </signal>

from __future__ import absolute_import, division, print_function

import argparse

import fileinput

import re

import sys

# List "excluded" contains signals that shouldn't be exported via

# DBus. If you remove a signal from this list, please make sure

# that it does not break "make" with the configure option

# "--enable-dbus" turned on.

excluded = [

# purple_dbus_signal_emit_purple prevents our "dbus-method-called"

# signal from being propagated to dbus.

"dbus-method-called",

]

registerregex = re.compile(

"purple_signal_register[^;]+\"([\w\-]+)\"[^;]+(purple_marshal_\w+)[^;]+;")

nameregex = re.compile('[-_][a-z]')

parser = argparse.ArgumentParser()

parser.add_argument('input', nargs='*',

help='Input files (or stdin if not specified)')

parser.add_argument('-o', '--output', type=argparse.FileType('w'),

help='Output to file instead of stdout')

cmd_args = parser.parse_args()

print("/* Generated by %s. Do not edit! */" % (sys.argv[0], ),

file=cmd_args.output)

print("const char *dbus_signals = ", file=cmd_args.output)

input = ''.join(list(fileinput.input(cmd_args.input)))

for match in registerregex.finditer(input):

signal = match.group(1)

marshal = match.group(2)

if signal in excluded:

continue

signal = nameregex.sub(lambda x: x.group()[1].upper(), '-' + signal)

print("\" <signal name='%s'>\\n\"" % (signal, ), file=cmd_args.output)

args = marshal.split('_')

# ['purple', 'marshal', <return type>, '', args...]

if len(args) > 4:

for arg in args[4:]:

if arg == "POINTER":

type = 'p'

elif arg == "ENUM":

type = 'i'

elif arg == "INT":

type = 'i'

elif arg == "UINT":

type = 'u'

elif arg == "INT64":

type = 'x'

elif arg == "UINT64":

type = 't'

elif arg == "BOOLEAN":

type = 'b'

print("\" <arg type='%s'/>\\n\"" % (type, ),

file=cmd_args.output)

print("\" </signal>\\n\"", file=cmd_args.output)

print(";", file=cmd_args.output)

pidgin/pidgin