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# Copyright(c) 2004, Karl Trygve Kalleberg <karltk@gentoo.org>
# Copyright(c) 2004, Gentoo Foundation
#
# Licensed under the GNU General Public License, v2
class ClasspathIter:
"""An iterator for the Classpath class, below."""
def __init__(self, classpath):
self._classpath = classpath
self._index = 0
def __next__(self):
self._index += 1
if self._index >= len(self._classpath.classpath):
raise StopIteration
return self._classpath.classpath[self._index]
class Classpath:
"""A classpath object provides a collection interface to the elements of a : separated path list. """
def __init__(self, classpath_string = None):
if classpath_string != None:
cs = classpath_string.strip().strip("\"")
self.classpath = cs.split(":")
else:
self.classpath = []
def __iter__(self):
"""Returns iterator. Elements of the original classpath string are considered split by ':'."""
return ClasspathIter(self)
def __len__(self):
"""Returns length (number of elements) in this classpath."""
return len(self.classpath)
def __getitem__(self, i):
"""Returns i'th element."""
return self.classpath[i]
def __setitem__(self, i, val):
"""Sets i'th element."""
self.classpath[i] = val
def __str__(self):
"""Constructs a suitable string representation of the classpath."""
return ":".join(self.classpath)
def append(self, element):
"""Appends an path to the classpath."""
self.classpath.append(element)
# vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap:
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