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#
# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__revision__ = "src/engine/SCons/compat/_scons_UserString.py 4720 2010/03/24 03:14:11 jars"
__doc__ = """
A user-defined wrapper around string objects
This class is "borrowed" from the Python 2.2 UserString and modified
slightly for use with SCons. It is *NOT* guaranteed to be fully compliant
with the standard UserString class from all later versions of Python.
In particular, it does not necessarily contain all of the methods found
in later versions.
"""
import types
StringType = types.StringType
if hasattr(types, 'UnicodeType'):
UnicodeType = types.UnicodeType
def is_String(obj):
return type(obj) in (StringType, UnicodeType)
else:
def is_String(obj):
return type(obj) is StringType
class UserString:
def __init__(self, seq):
if is_String(seq):
self.data = seq
elif isinstance(seq, UserString):
self.data = seq.data[:]
else:
self.data = str(seq)
def __str__(self): return str(self.data)
def __repr__(self): return repr(self.data)
def __int__(self): return int(self.data)
def __long__(self): return long(self.data)
def __float__(self): return float(self.data)
def __complex__(self): return complex(self.data)
def __hash__(self): return hash(self.data)
def __cmp__(self, string):
if isinstance(string, UserString):
return cmp(self.data, string.data)
else:
return cmp(self.data, string)
def __contains__(self, char):
return char in self.data
def __len__(self): return len(self.data)
def __getitem__(self, index): return self.__class__(self.data[index])
def __getslice__(self, start, end):
start = max(start, 0); end = max(end, 0)
return self.__class__(self.data[start:end])
def __add__(self, other):
if isinstance(other, UserString):
return self.__class__(self.data + other.data)
elif is_String(other):
return self.__class__(self.data + other)
else:
return self.__class__(self.data + str(other))
def __radd__(self, other):
if is_String(other):
return self.__class__(other + self.data)
else:
return self.__class__(str(other) + self.data)
def __mul__(self, n):
return self.__class__(self.data*n)
__rmul__ = __mul__
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4:
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