Package translate :: Package misc :: Module multistring |
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# Source Code for Module translate.misc.multistring

     1  #!/usr/bin/env python
     2  # -*- coding: utf-8 -*-
     3  #
     4  # Copyright 2006 Zuza Software Foundation
     5  #
     6  # This file is part of translate.
     7  #
     8  # translate is free software; you can redistribute it and/or modify
     9  # it under the terms of the GNU General Public License as published by
    10  # the Free Software Foundation; either version 2 of the License, or
    11  # (at your option) any later version.
    12  #
    13  # translate is distributed in the hope that it will be useful,
    14  # but WITHOUT ANY WARRANTY; without even the implied warranty of
    15  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    16  # GNU General Public License for more details.
    17  #
    18  # You should have received a copy of the GNU General Public License
    19  # along with translate; if not, write to the Free Software
    20  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    21
    22  """Supports a hybrid Unicode string that can also have a list of alternate strings in the strings attribute"""
    23
    24  from translate.misc import autoencode
    25
    26 -class multistring(autoencode.autoencode):
    27 -    def __new__(newtype, string=u"", encoding=None, errors=None):
    28          if isinstance(string, list):
    29              if not string:
    30                  raise ValueError("multistring must contain at least one string")
    31              mainstring = string[0]
    32              newstring = multistring.__new__(newtype, string[0], encoding, errors)
    33              newstring.strings = [newstring] + [autoencode.autoencode.__new__(autoencode.autoencode, altstring, encoding, errors) for altstring in string[1:]]
    34          else:
    35              newstring = autoencode.autoencode.__new__(newtype, string, encoding, errors)
    36              newstring.strings = [newstring]
    37          return newstring
    38
    39 -    def __init__(self, *args, **kwargs):
    40          super(multistring, self).__init__()
    41          if not hasattr(self, "strings"):
    42              self.strings = []
    43
    44 -    def __cmp__(self, otherstring):
    45          if isinstance(otherstring, multistring):
    46              parentcompare = cmp(autoencode.autoencode(self), otherstring)
    47              if parentcompare:
    48                  return parentcompare
    49              else:
    50                  return cmp(self.strings[1:], otherstring.strings[1:])
    51          elif isinstance(otherstring, autoencode.autoencode):
    52              return cmp(autoencode.autoencode(self), otherstring)
    53          elif isinstance(otherstring, unicode):
    54              return cmp(unicode(self), otherstring)
    55          elif isinstance(otherstring, str):
    56              return cmp(str(self), otherstring)
    57          else:
    58              return cmp(type(self), type(otherstring))
    59
    60 -    def __ne__(self, otherstring):
    61          return self.__cmp__(otherstring) != 0
    62
    63 -    def __eq__(self, otherstring):
    64          return self.__cmp__(otherstring) == 0
    65
    66 -    def __repr__(self):
    67          parts = [autoencode.autoencode.__repr__(self)] + [repr(a) for a in self.strings[1:]]
    68          return "multistring([" + ",".join(parts) + "])"
    69
    70 -    def replace(self, old, new, count=None):
    71          if count is None:
    72              newstr = multistring(super(multistring, self).replace(old, new), self.encoding)
    73          else:
    74              newstr = multistring(super(multistring, self).replace(old, new, count), self.encoding)
    75          for s in self.strings[1:]:
    76              if count is None:
    77                  newstr.strings.append(s.replace(old, new))
    78              else:
    79                  newstr.strings.append(s.replace(old, new, count))
    80          return newstr
    81