gio/gdbus-2.0/codegen/utils.py

   1 # -*- Mode: Python -*-
   2
   3 # GDBus - GLib D-Bus Library
   4 #
   5 # Copyright (C) 2008-2011 Red Hat, Inc.
   6 #
   7 # This library is free software; you can redistribute it and/or
   8 # modify it under the terms of the GNU Lesser General Public
   9 # License as published by the Free Software Foundation; either
  10 # version 2.1 of the License, or (at your option) any later version.
  11 #
  12 # This library is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 # Lesser General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU Lesser General
  18 # Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  19 #
  20 # Author: David Zeuthen <davidz@redhat.com>
  21
  22 import distutils.version
  23
  24 def strip_dots(s):
  25     ret = ''
  26     force_upper = False
  27     for c in s:
  28         if c == '.':
  29             force_upper = True
  30         else:
  31             if force_upper:
  32                 ret += c.upper()
  33                 force_upper = False
  34             else:
  35                 ret += c
  36     return ret
  37
  38 def dots_to_hyphens(s):
  39     return s.replace('.', '-')
  40
  41 def camel_case_to_uscore(s):
  42     ret = ''
  43     insert_uscore = False
  44     prev_was_lower = False
  45     initial = True;
  46     for c in s:
  47         # Keep initial underscores in camel case
  48         if initial and c == '_':
  49             ret += '_'
  50             continue;
  51         initial = False
  52
  53         if c.isupper():
  54             if prev_was_lower:
  55                 insert_uscore = True
  56             prev_was_lower = False
  57         else:
  58             prev_was_lower = True
  59         if insert_uscore:
  60             ret += '_'
  61         ret += c.lower()
  62         insert_uscore = False
  63     return ret
  64
  65 def is_ugly_case(s):
  66     if s and s.find('_') > 0:
  67         return True
  68     return False
  69
  70 def lookup_annotation(annotations, key):
  71     if annotations:
  72         for a in annotations:
  73             if a.key == key:
  74                 return a.value
  75     return None
  76
  77 def lookup_docs(annotations):
  78     s = lookup_annotation(annotations, 'org.gtk.GDBus.DocString')
  79     if s == None:
  80         return ''
  81     else:
  82         return s
  83
  84 def lookup_since(annotations):
  85     s = lookup_annotation(annotations, 'org.gtk.GDBus.Since')
  86     if s == None:
  87         return ''
  88     else:
  89         return s
  90
  91 def lookup_brief_docs(annotations):
  92     s = lookup_annotation(annotations, 'org.gtk.GDBus.DocString.Short')
  93     if s == None:
  94         return ''
  95     else:
  96         return s
  97
  98 def version_cmp_key(key):
  99     # If the 'since' version is 'UNRELEASED', compare higher than anything else
 100     # If it is empty put a 0 in its place as this will
 101     # allow LooseVersion to work and will always compare lower.
 102     if key[0] == 'UNRELEASED':
 103         v = '9999'
 104     elif key[0]:
 105         v = str(key[0])
 106     else:
 107         v = '0'
 108     return (distutils.version.LooseVersion(v), key[1])