def wrapchar(space, c):
from pypy.objspace.std.stringobject import W_StringObject
from pypy.objspace.std.ropeobject import rope, W_RopeObject
if space.config.objspace.std.withprebuiltchar:
if space.config.objspace.std.withrope:
return W_RopeObject.PREBUILT[ord(c)]
return W_StringObject.PREBUILT[ord(c)]
else:
if space.config.objspace.std.withrope:
return W_RopeObject(rope.LiteralStringNode(c))
return W_StringObject(c)
def descr__new__(space, w_stringtype, w_object=''):
# NB. the default value of w_object is really a *wrapped* empty string:
# there is gateway magic at work
from pypy.objspace.std.stringobject import W_StringObject
w_obj = space.str(w_object)
if space.is_w(w_stringtype, space.w_str):
return w_obj # XXX might be reworked when space.str() typechecks
value = space.str_w(w_obj)
if space.config.objspace.std.withrope:
from pypy.objspace.std.ropeobject import rope, W_RopeObject
w_obj = space.allocate_instance(W_RopeObject, w_stringtype)
W_RopeObject.__init__(w_obj, rope.LiteralStringNode(value))
return w_obj
else:
w_obj = space.allocate_instance(W_StringObject, w_stringtype)
W_StringObject.__init__(w_obj, value)
return w_obj
def wrapstr(space, s):
from pypy.objspace.std.stringobject import W_StringObject
from pypy.objspace.std.ropeobject import rope, W_RopeObject
if space.config.objspace.std.sharesmallstr:
if space.config.objspace.std.withprebuiltchar:
# share characters and empty string
if len(s) <= 1:
if len(s) == 0:
if space.config.objspace.std.withrope:
return W_RopeObject.EMPTY
return W_StringObject.EMPTY
else:
s = s[0] # annotator hint: a single char
return wrapchar(space, s)
else:
# only share the empty string
if len(s) == 0:
if space.config.objspace.std.withrope:
return W_RopeObject.EMPTY
return W_StringObject.EMPTY
if space.config.objspace.std.withrope:
return W_RopeObject(rope.LiteralStringNode(s))
return W_StringObject(s)