src/frontends/gnome/accessors.py

   1 from xml.sax import *
   2
   3 import re, sys
   4
   5 ###
   6 # Real name.  This RE distinguishes 'filler' widgets from the
   7 # widgets we actually care about.
   8 ###
   9
  10 rn = re.compile(r"^r_")
  11
  12
  13 def cppClass(gladeClass):
  14     gtk = re.compile(r"^Gtk")
  15     gnome = re.compile(r"^Gnome")
  16
  17     if gtk.search(gladeClass):
  18         return "Gtk::" + gladeClass[3:]
  19     elif gnome.search(gladeClass):
  20         return "Gnome::" + gladeClass[5:]
  21
  22 class widget:
  23     def __init__(self, clss, name):
  24         self.clss = cppClass(clss)
  25         self.name = name
  26
  27     def getAccessor(self):
  28         function = ""
  29         function += self.clss + " * " + dialog +"::" + self.name
  30         function += "() const \n{\n        return getWidget<" + self.clss
  31         function +=  ">(\"" + "r_" + self.name + "\");\n}\n"
  32
  33         return function
  34
  35     def getDeclaration(self):
  36         function = "/// generated by accessors.py\n"
  37         function += self.clss + " * " + self.name
  38         function += "() const;\n";
  39
  40         return function
  41
  42
  43 class GnomeFrontendHandler(ContentHandler):
  44
  45     def __init__(self):
  46
  47         self.elemstack = []
  48         self.widget = 0
  49         self.TODO = []
  50
  51     def startElement(self, name, attrs):
  52         self.elemstack.append(name)
  53         if name == "widget" and rn.search(attrs["id"]):
  54                 self.TODO.append(widget(attrs["class"],
  55                                         re.sub("^r_", "", attrs["id"])))
  56
  57     def endElement(self, name):
  58         self.elemstack.pop()
  59
  60
  61     def characters(self, data):
  62
  63         elem = self.elemstack[-1]
  64
  65     def widgets(self):
  66         return self.TODO
  67
  68
  69
  70 dialog = sys.argv[2]
  71 glade = open(sys.argv[1])
  72
  73
  74 ## parse the document
  75
  76 prs = make_parser()
  77 hndlr = GnomeFrontendHandler()
  78 prs.setContentHandler(hndlr)
  79 prs.parse(glade)
  80
  81 ## write the definitions to .C_gen
  82
  83 dotC = open(dialog + ".C_gen", "w+")
  84
  85 for i in hndlr.widgets():
  86     dotC.write( i.getAccessor())
  87
  88 dotC.close()
  89
  90 ## write the declarations to .h_gen
  91
  92 dotH = open(dialog + ".h_gen", "w+")
  93
  94 for i in hndlr.widgets():
  95     dotH.write( i.getDeclaration())
  96
  97 dotH.close()
  98
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