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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2004-2006,2008-2009 Zuza Software Foundation
#
# This file is part of the Translate Toolkit.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
"""Classes that hold units of .rc files (rcunit) or entire files
(rcfile) used in translating Windows Resources.
@note: This implementation is based mostly on observing WINE .rc files,
these should mimic other non-WINE .rc files.
"""
from translate.storage import base
import re
def escape_to_python(string):
"""escape a given .rc string into a valid Python string"""
pystring = re.sub('"\s*\\\\\n\s*"', "", string) # xxx"\n"xxx line continuation
pystring = re.sub("\\\\\\\n", "", pystring) # backslash newline line continuation
pystring = re.sub("\\\\n", "\n", pystring) # Convert escaped newline to a real newline
pystring = re.sub("\\\\t", "\t", pystring) # Convert escape tab to a real tab
pystring = re.sub("\\\\\\\\", "\\\\", pystring) # Convert escape backslash to a real escaped backslash
return pystring
def escape_to_rc(string):
"""Escape a given Python string into a valid .rc string."""
rcstring = re.sub("\\\\", "\\\\\\\\", string)
rcstring = re.sub("\t", "\\\\t", rcstring)
rcstring = re.sub("\n", "\\\\n", rcstring)
return rcstring
class rcunit(base.TranslationUnit):
"""A unit of an rc file"""
def __init__(self, source=""):
"""Construct a blank rcunit."""
super(rcunit, self).__init__(source)
self.name = ""
self._value = ""
self.comments = []
self.source = source
self.match = None
def setsource(self, source):
"""Sets the source AND the target to be equal"""
self._value = source or ""
def getsource(self):
return self._value
source = property(getsource, setsource)
def settarget(self, target):
"""Note: this also sets the .source attribute!"""
self.source = target
def gettarget(self):
return self.source
target = property(gettarget, settarget)
def __str__(self):
"""Convert to a string. Double check that unicode is handled somehow here."""
source = self.getoutput()
if isinstance(source, unicode):
return source.encode(getattr(self, "encoding", "UTF-8"))
return source
def getoutput(self):
"""Convert the element back into formatted lines for a .rc file."""
if self.isblank():
return "".join(self.comments + ["\n"])
else:
return "".join(self.comments + ["%s=%s\n" % (self.name, self.value)])
def getlocations(self):
return [self.name]
def addnote(self, note, origin=None):
self.comments.append(note)
def getnotes(self, origin=None):
return '\n'.join(self.comments)
def removenotes(self):
self.comments = []
def isblank(self):
"""Returns whether this is a blank element, containing only comments."""
return not (self.name or self.value)
class rcfile(base.TranslationStore):
"""This class represents a .rc file, made up of rcunits."""
UnitClass = rcunit
def __init__(self, inputfile=None, lang=None, sublang=None):
"""Construct an rcfile, optionally reading in from inputfile."""
super(rcfile, self).__init__(unitclass = self.UnitClass)
self.filename = getattr(inputfile, 'name', '')
self.lang = lang
self.sublang = sublang
if inputfile is not None:
rcsrc = inputfile.read()
inputfile.close()
self.parse(rcsrc)
def parse(self, rcsrc):
"""Read the source of a .rc file in and include them as units."""
BLOCKS_RE = re.compile("""
(?:
LANGUAGE\s+[^\n]*| # Language details
/\*.*?\*/[^\n]*| # Comments
(?:[0-9A-Z_]+\s+(?:MENU|DIALOG|DIALOGEX)|STRINGTABLE)\s # Translatable section
.*?
(?:
BEGIN(?:\s*?POPUP.*?BEGIN.*?END\s*?)+?END|BEGIN.*?END| # FIXME Need a much better approach to nesting menus
{(?:\s*?POPUP.*?{.*?}\s*?)+?}|{.*?})+[\n]|
\s*[\n] # Whitespace
)
""", re.DOTALL + re.VERBOSE)
STRINGTABLE_RE = re.compile("""
(?P<name>[0-9A-Za-z_]+?),?\s*
L?"(?P<value>.*?)"\s*[\n]
""", re.DOTALL + re.VERBOSE)
DIALOG_RE = re.compile("""
(?P<type>AUTOCHECKBOX|AUTORADIOBUTTON|CAPTION|Caption|CHECKBOX|CTEXT|CONTROL|DEFPUSHBUTTON|
GROUPBOX|LTEXT|PUSHBUTTON|RADIOBUTTON|RTEXT) # Translatable types
\s+
L? # Unkown prefix see ./dlls/shlwapi/shlwapi_En.rc
"(?P<value>.*?)" # String value
(?:\s*,\s*|[\n]) # FIXME ./dlls/mshtml/En.rc ID_DWL_DIALOG.LTEXT.ID_DWL_STATUS
(?P<name>.*?|)\s*(?:/[*].*?[*]/|),
""", re.DOTALL + re.VERBOSE)
MENU_RE = re.compile("""
(?P<type>POPUP|MENUITEM)
\s+
"(?P<value>.*?)" # String value
(?:\s*,?\s*)?
(?P<name>[^\s]+).*?[\n]
""", re.DOTALL + re.VERBOSE)
processsection = False
self.blocks = BLOCKS_RE.findall(rcsrc)
for blocknum, block in enumerate(self.blocks):
#print block.split("\n")[0]
processblock = None
if block.startswith("LANGUAGE"):
if self.lang == None or self.sublang == None or re.match("LANGUAGE\s+%s,\s*%s\s*$" % (self.lang, self.sublang), block) is not None:
processsection = True
else:
processsection = False
else:
if re.match(".+LANGUAGE\s+[0-9A-Za-z_]+,\s*[0-9A-Za-z_]+\s*[\n]", block, re.DOTALL) is not None:
if re.match(".+LANGUAGE\s+%s,\s*%s\s*[\n]" % (self.lang, self.sublang), block, re.DOTALL) is not None:
processblock = True
else:
processblock = False
if not (processblock == True or (processsection == True and processblock != False)):
continue
if block.startswith("STRINGTABLE"):
#print "stringtable:\n %s------\n" % block
for match in STRINGTABLE_RE.finditer(block):
if not match.groupdict()['value']:
continue
newunit = rcunit(escape_to_python(match.groupdict()['value']))
newunit.name = "STRINGTABLE." + match.groupdict()['name']
newunit.match = match
self.addunit(newunit)
if block.startswith("/*"): # Comments
#print "comment"
pass
if re.match("[0-9A-Z_]+\s+DIALOG", block) is not None:
dialog = re.match("(?P<dialogname>[0-9A-Z_]+)\s+(?P<dialogtype>DIALOGEX|DIALOG)", block).groupdict()
dialogname = dialog["dialogname"]
dialogtype = dialog["dialogtype"]
#print "dialog: %s" % dialogname
for match in DIALOG_RE.finditer(block):
if not match.groupdict()['value']:
continue
type = match.groupdict()['type']
value = match.groupdict()['value']
name = match.groupdict()['name']
newunit = rcunit(escape_to_python(value))
if type == "CAPTION" or type == "Caption":
newunit.name = "%s.%s.%s" % (dialogtype, dialogname, type)
elif name == "-1":
newunit.name = "%s.%s.%s.%s" % (dialogtype, dialogname, type, value.replace(" ", "_"))
else:
newunit.name = "%s.%s.%s.%s" % (dialogtype, dialogname, type, name)
newunit.match = match
self.addunit(newunit)
if re.match("[0-9A-Z_]+\s+MENU", block) is not None:
menuname = re.match("(?P<menuname>[0-9A-Z_]+)\s+MENU", block).groupdict()["menuname"]
#print "menu: %s" % menuname
for match in MENU_RE.finditer(block):
if not match.groupdict()['value']:
continue
type = match.groupdict()['type']
value = match.groupdict()['value']
name = match.groupdict()['name']
newunit = rcunit(escape_to_python(value))
if type == "POPUP":
newunit.name = "MENU.%s.%s" % (menuname, type)
elif name == "-1":
newunit.name = "MENU.%s.%s.%s" % (menuname, type, value.replace(" ", "_"))
else:
newunit.name = "MENU.%s.%s.%s" % (menuname, type, name)
newunit.match = match
self.addunit(newunit)
def __str__(self):
"""convert the units back to lines"""
return "".join(self.blocks)
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