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# Windows dialog .RC file parser, by Adam Walker.
# This module was adapted from the spambayes project, and is Copyright
# 2003/2004 The Python Software Foundation and is covered by the Python
# Software Foundation license.
"""
This is a parser for Windows .rc files, which are text files which define
dialogs and other Windows UI resources.
"""
__author__="Adam Walker"
__version__="0.11"
import sys, os, shlex, stat
import pprint
import win32con
import commctrl
_controlMap = {"DEFPUSHBUTTON":0x80,
"PUSHBUTTON":0x80,
"Button":0x80,
"GROUPBOX":0x80,
"Static":0x82,
"CTEXT":0x82,
"RTEXT":0x82,
"LTEXT":0x82,
"LISTBOX":0x83,
"SCROLLBAR":0x84,
"COMBOBOX":0x85,
"EDITTEXT":0x81,
"ICON":0x82,
"RICHEDIT":"RichEdit20A"
}
# These are "default styles" for certain controls - ie, Visual Studio assumes
# the styles will be applied, and emits a "NOT {STYLE_NAME}" if it is to be
# disabled. These defaults have been determined by experimentation, so may
# not be completely accurate (most notably, some styles and/or control-types
# may be missing.
_addDefaults = {"EDITTEXT":win32con.WS_BORDER | win32con.WS_TABSTOP,
"GROUPBOX":win32con.BS_GROUPBOX,
"LTEXT":win32con.SS_LEFT,
"DEFPUSHBUTTON":win32con.BS_DEFPUSHBUTTON | win32con.WS_TABSTOP,
"PUSHBUTTON": win32con.WS_TABSTOP,
"CTEXT":win32con.SS_CENTER,
"RTEXT":win32con.SS_RIGHT,
"ICON":win32con.SS_ICON,
"LISTBOX":win32con.LBS_NOTIFY,
}
defaultControlStyle = win32con.WS_CHILD | win32con.WS_VISIBLE
defaultControlStyleEx = 0
class DialogDef:
name = ""
id = 0
style = 0
styleEx = None
caption = ""
font = "MS Sans Serif"
fontSize = 8
x = 0
y = 0
w = 0
h = 0
template = None
def __init__(self, n, i):
self.name = n
self.id = i
self.styles = []
self.stylesEx = []
self.controls = []
#print "dialog def for ",self.name, self.id
def createDialogTemplate(self):
t = None
self.template = [[self.caption,
(self.x,self.y,self.w,self.h),
self.style, self.styleEx,
(self.fontSize, self.font)]
]
# Add the controls
for control in self.controls:
self.template.append(control.createDialogTemplate())
return self.template
class ControlDef:
id = ""
controlType = ""
subType = ""
idNum = 0
style = defaultControlStyle
styleEx = defaultControlStyleEx
label = ""
x = 0
y = 0
w = 0
h = 0
def __init__(self):
self.styles = []
self.stylesEx = []
def toString(self):
s = "<Control id:"+self.id+" controlType:"+self.controlType+" subType:"+self.subType\
+" idNum:"+str(self.idNum)+" style:"+str(self.style)+" styles:"+str(self.styles)+" label:"+self.label\
+" x:"+str(self.x)+" y:"+str(self.y)+" w:"+str(self.w)+" h:"+str(self.h)+">"
return s
def createDialogTemplate(self):
ct = self.controlType
if "CONTROL"==ct:
ct = self.subType
if ct in _controlMap:
ct = _controlMap[ct]
t = [ct, self.label, self.idNum, (self.x, self.y, self.w, self.h), self.style, self.styleEx]
#print t
return t
class StringDef:
def __init__(self, id, idNum, value):
self.id = id
self.idNum = idNum
self.value = value
def __repr__(self):
return "StringDef(%r, %r, %r)" % (self.id, self.idNum, self.value)
class RCParser:
next_id = 1001
dialogs = {}
_dialogs = {}
debugEnabled = False
token = ""
def __init__(self):
self.ungot = False
self.ids = {"IDC_STATIC": -1}
self.names = {-1:"IDC_STATIC"}
self.bitmaps = {}
self.stringTable = {}
self.icons = {}
def debug(self, *args):
if self.debugEnabled:
print(args)
def getToken(self):
if self.ungot:
self.ungot = False
self.debug("getToken returns (ungot):", self.token)
return self.token
self.token = self.lex.get_token()
self.debug("getToken returns:", self.token)
if self.token=="":
self.token = None
return self.token
def ungetToken(self):
self.ungot = True
def getCheckToken(self, expected):
tok = self.getToken()
assert tok == expected, "Expected token '%s', but got token '%s'!" % (expected, tok)
return tok
def getCommaToken(self):
return self.getCheckToken(",")
# Return the *current* token as a number, only consuming a token
# if it is the negative-sign.
def currentNumberToken(self):
mult = 1
if self.token=='-':
mult = -1
self.getToken()
return int(self.token) * mult
# Return the *current* token as a string literal (ie, self.token will be a
# quote. consumes all tokens until the end of the string
def currentQuotedString(self):
# Handle quoted strings - pity shlex doesn't handle it.
assert self.token.startswith('"'), self.token
bits = [self.token]
while 1:
tok = self.getToken()
if not tok.startswith('"'):
self.ungetToken()
break
bits.append(tok)
sval = "".join(bits)[1:-1] # Remove end quotes.
# Fixup quotes in the body, and all (some?) quoted characters back
# to their raw value.
for i, o in ('""', '"'), ("\\r", "\r"), ("\\n", "\n"), ("\\t", "\t"):
sval = sval.replace(i, o)
return sval
def load(self, rcstream):
"""
RCParser.loadDialogs(rcFileName) -> None
Load the dialog information into the parser. Dialog Definations can then be accessed
using the "dialogs" dictionary member (name->DialogDef). The "ids" member contains the dictionary of id->name.
The "names" member contains the dictionary of name->id
"""
self.open(rcstream)
self.getToken()
while self.token!=None:
self.parse()
self.getToken()
def open(self, rcstream):
self.lex = shlex.shlex(rcstream)
self.lex.commenters = "//#"
def parseH(self, file):
lex = shlex.shlex(file)
lex.commenters = "//"
token = " "
while token is not None:
token = lex.get_token()
if token == "" or token is None:
token = None
else:
if token=='define':
n = lex.get_token()
i = int(lex.get_token())
self.ids[n] = i
if i in self.names:
# Dupe ID really isn't a problem - most consumers
# want to go from name->id, and this is OK.
# It means you can't go from id->name though.
pass
# ignore AppStudio special ones
#if not n.startswith("_APS_"):
# print "Duplicate id",i,"for",n,"is", self.names[i]
else:
self.names[i] = n
if self.next_id<=i:
self.next_id = i+1
def parse(self):
noid_parsers = {
"STRINGTABLE": self.parse_stringtable,
}
id_parsers = {
"DIALOG" : self.parse_dialog,
"DIALOGEX": self.parse_dialog,
# "TEXTINCLUDE": self.parse_textinclude,
"BITMAP": self.parse_bitmap,
"ICON": self.parse_icon,
}
deep = 0
base_token = self.token
rp = noid_parsers.get(base_token)
if rp is not None:
rp()
else:
# Not something we parse that isn't prefixed by an ID
# See if it is an ID prefixed item - if it is, our token
# is the resource ID.
resource_id = self.token
self.getToken()
if self.token is None:
return
if "BEGIN" == self.token:
# A 'BEGIN' for a structure we don't understand - skip to the
# matching 'END'
deep = 1
while deep!=0 and self.token is not None:
self.getToken()
self.debug("Zooming over", self.token)
if "BEGIN" == self.token:
deep += 1
elif "END" == self.token:
deep -= 1
else:
rp = id_parsers.get(self.token)
if rp is not None:
self.debug("Dispatching '%s'" % (self.token,))
rp(resource_id)
else:
# We don't know what the resource type is, but we
# have already consumed the next, which can cause problems,
# so push it back.
self.debug("Skipping top-level '%s'" % base_token)
self.ungetToken()
def addId(self, id_name):
if id_name in self.ids:
id = self.ids[id_name]
else:
# IDOK, IDCANCEL etc are special - if a real resource has this value
for n in ["IDOK","IDCANCEL","IDYES","IDNO", "IDABORT"]:
if id_name == n:
v = getattr(win32con, n)
self.ids[n] = v
self.names[v] = n
return v
id = self.next_id
self.next_id += 1
self.ids[id_name] = id
self.names[id] = id_name
return id
def lang(self):
while self.token[0:4]=="LANG" or self.token[0:7]=="SUBLANG" or self.token==',':
self.getToken();
def parse_textinclude(self, res_id):
while self.getToken() != "BEGIN":
pass
while 1:
if self.token == "END":
break
s = self.getToken()
def parse_stringtable(self):
while self.getToken() != "BEGIN":
pass
while 1:
self.getToken()
if self.token == "END":
break
sid = self.token
self.getToken()
sd = StringDef(sid, self.addId(sid), self.currentQuotedString())
self.stringTable[sid] = sd
def parse_bitmap(self, name):
return self.parse_bitmap_or_icon(name, self.bitmaps)
def parse_icon(self, name):
return self.parse_bitmap_or_icon(name, self.icons)
def parse_bitmap_or_icon(self, name, dic):
self.getToken()
while not self.token.startswith('"'):
self.getToken()
bmf = self.token[1:-1] # quotes
dic[name] = bmf
def parse_dialog(self, name):
dlg = DialogDef(name,self.addId(name))
assert len(dlg.controls)==0
self._dialogs[name] = dlg
extras = []
self.getToken()
while not self.token.isdigit():
self.debug("extra", self.token)
extras.append(self.token)
self.getToken()
dlg.x = int(self.token)
self.getCommaToken()
self.getToken() # number
dlg.y = int(self.token)
self.getCommaToken()
self.getToken() # number
dlg.w = int(self.token)
self.getCommaToken()
self.getToken() # number
dlg.h = int(self.token)
self.getToken()
while not (self.token==None or self.token=="" or self.token=="END"):
if self.token=="STYLE":
self.dialogStyle(dlg)
elif self.token=="EXSTYLE":
self.dialogExStyle(dlg)
elif self.token=="CAPTION":
self.dialogCaption(dlg)
elif self.token=="FONT":
self.dialogFont(dlg)
elif self.token=="BEGIN":
self.controls(dlg)
else:
break
self.dialogs[name] = dlg.createDialogTemplate()
def dialogStyle(self, dlg):
dlg.style, dlg.styles = self.styles( [], win32con.DS_SETFONT)
def dialogExStyle(self, dlg):
self.getToken()
dlg.styleEx, dlg.stylesEx = self.styles( [], 0)
def styles(self, defaults, defaultStyle):
list = defaults
style = defaultStyle
if "STYLE"==self.token:
self.getToken()
i = 0
Not = False
while ((i%2==1 and ("|"==self.token or "NOT"==self.token)) or (i%2==0)) and not self.token==None:
Not = False;
if "NOT"==self.token:
Not = True
self.getToken()
i += 1
if self.token!="|":
if self.token in win32con.__dict__:
value = getattr(win32con,self.token)
else:
if self.token in commctrl.__dict__:
value = getattr(commctrl,self.token)
else:
value = 0
if Not:
list.append("NOT "+self.token)
self.debug("styles add Not",self.token, value)
style &= ~value
else:
list.append(self.token)
self.debug("styles add", self.token, value)
style |= value
self.getToken()
self.debug("style is ",style)
return style, list
def dialogCaption(self, dlg):
if "CAPTION"==self.token:
self.getToken()
self.token = self.token[1:-1]
self.debug("Caption is:",self.token)
dlg.caption = self.token
self.getToken()
def dialogFont(self, dlg):
if "FONT"==self.token:
self.getToken()
dlg.fontSize = int(self.token)
self.getCommaToken()
self.getToken() # Font name
dlg.font = self.token[1:-1] # it's quoted
self.getToken()
while "BEGIN"!=self.token:
self.getToken()
def controls(self, dlg):
if self.token=="BEGIN": self.getToken()
# All controls look vaguely like:
# TYPE [text, ] Control_id, l, t, r, b [, style]
# .rc parser documents all control types as:
# CHECKBOX, COMBOBOX, CONTROL, CTEXT, DEFPUSHBUTTON, EDITTEXT, GROUPBOX,
# ICON, LISTBOX, LTEXT, PUSHBUTTON, RADIOBUTTON, RTEXT, SCROLLBAR
without_text = ["EDITTEXT", "COMBOBOX", "LISTBOX", "SCROLLBAR"]
while self.token!="END":
control = ControlDef()
control.controlType = self.token;
self.getToken()
if control.controlType not in without_text:
if self.token[0:1]=='"':
control.label = self.currentQuotedString()
# Some funny controls, like icons and picture controls use
# the "window text" as extra resource ID (ie, the ID of the
# icon itself). This may be either a literal, or an ID string.
elif self.token=="-" or self.token.isdigit():
control.label = str(self.currentNumberToken())
else:
# An ID - use the numeric equiv.
control.label = str(self.addId(self.token))
self.getCommaToken()
self.getToken()
# Control IDs may be "names" or literal ints
if self.token=="-" or self.token.isdigit():
control.id = self.currentNumberToken()
control.idNum = control.id
else:
# name of an ID
control.id = self.token
control.idNum = self.addId(control.id)
self.getCommaToken()
if control.controlType == "CONTROL":
self.getToken()
control.subType = self.token[1:-1]
thisDefaultStyle = defaultControlStyle | \
_addDefaults.get(control.subType, 0)
# Styles
self.getCommaToken()
self.getToken()
control.style, control.styles = self.styles([], thisDefaultStyle)
else:
thisDefaultStyle = defaultControlStyle | \
_addDefaults.get(control.controlType, 0)
# incase no style is specified.
control.style = thisDefaultStyle
# Rect
control.x = int(self.getToken())
self.getCommaToken()
control.y = int(self.getToken())
self.getCommaToken()
control.w = int(self.getToken())
self.getCommaToken()
self.getToken()
control.h = int(self.token)
self.getToken()
if self.token==",":
self.getToken()
control.style, control.styles = self.styles([], thisDefaultStyle)
if self.token==",":
self.getToken()
control.styleEx, control.stylesEx = self.styles([], defaultControlStyleEx)
#print control.toString()
dlg.controls.append(control)
def ParseStreams(rc_file, h_file):
rcp = RCParser()
if h_file:
rcp.parseH(h_file)
try:
rcp.load(rc_file)
except:
lex = getattr(rcp, "lex", None)
if lex:
print("ERROR parsing dialogs at line", lex.lineno)
print("Next 10 tokens are:")
for i in range(10):
print(lex.get_token(), end=' ')
print()
raise
return rcp
def Parse(rc_name, h_name = None):
if h_name:
h_file = open(h_name, "r")
else:
# See if same basename as the .rc
h_name = rc_name[:-2]+"h"
try:
h_file = open(h_name, "r")
except IOError:
# See if MSVC default of 'resource.h' in the same dir.
h_name = os.path.join(os.path.dirname(rc_name), "resource.h")
try:
h_file = open(h_name, "r")
except IOError:
# .h files are optional anyway
h_file = None
rc_file = open(rc_name, "r")
try:
return ParseStreams(rc_file, h_file)
finally:
if h_file is not None:
h_file.close()
rc_file.close()
return rcp
def GenerateFrozenResource(rc_name, output_name, h_name = None):
"""Converts an .rc windows resource source file into a python source file
with the same basic public interface as the rest of this module.
Particularly useful for py2exe or other 'freeze' type solutions,
where a frozen .py file can be used inplace of a real .rc file.
"""
rcp = Parse(rc_name, h_name)
in_stat = os.stat(rc_name)
out = open(output_name, "wt")
out.write("#%s\n" % output_name)
out.write("#This is a generated file. Please edit %s instead.\n" % rc_name)
out.write("__version__=%r\n" % __version__)
out.write("_rc_size_=%d\n_rc_mtime_=%d\n" % (in_stat[stat.ST_SIZE], in_stat[stat.ST_MTIME]))
out.write("class StringDef:\n")
out.write("\tdef __init__(self, id, idNum, value):\n")
out.write("\t\tself.id = id\n")
out.write("\t\tself.idNum = idNum\n")
out.write("\t\tself.value = value\n")
out.write("\tdef __repr__(self):\n")
out.write("\t\treturn \"StringDef(%r, %r, %r)\" % (self.id, self.idNum, self.value)\n")
out.write("class FakeParser:\n")
for name in "dialogs", "ids", "names", "bitmaps", "icons", "stringTable":
out.write("\t%s = \\\n" % (name,))
pprint.pprint(getattr(rcp, name), out)
out.write("\n")
out.write("def Parse(s):\n")
out.write("\treturn FakeParser()\n")
out.close()
if __name__=='__main__':
if len(sys.argv) <= 1:
print(__doc__)
print()
print("See test_win32rcparser.py, and the win32rcparser directory (both")
print("in the test suite) for an example of this module's usage.")
else:
import pprint
filename = sys.argv[1]
if "-v" in sys.argv:
RCParser.debugEnabled = 1
print("Dumping all resources in '%s'" % filename)
resources = Parse(filename)
for id, ddef in resources.dialogs.items():
print("Dialog %s (%d controls)" % (id, len(ddef)))
pprint.pprint(ddef)
print()
for id, sdef in resources.stringTable.items():
print("String %s=%r" % (id, sdef.value))
print()
for id, sdef in resources.bitmaps.items():
print("Bitmap %s=%r" % (id, sdef))
print()
for id, sdef in resources.icons.items():
print("Icon %s=%r" % (id, sdef))
print()