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Finished implementing -T option.
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1 parent ae97270 commit 018f7244e4065f37797622d9ca77d20ceffb75b5
@tundra tundra authored on 27 Aug 2010
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 tren.py
PROGNAME = "tren.py"
BASENAME = PROGNAME.split(".py")[0]
PROGENV = BASENAME.upper()
INCLENV = PROGENV + "INCL"
RCSID = "$Id: tren.py,v 1.231 2010/08/26 18:50:09 tundra Exp $"
RCSID = "$Id: tren.py,v 1.232 2010/08/27 15:28:55 tundra Exp $"
VERSION = RCSID.split()[2]
 
# Copyright Information
 
# Select portion of name targeted for renaming
 
lname = ""
rname = ""
newname = ""
tstart = renrequest[TARGETSTART]
tend = renrequest[TARGETEND]
 
# Condition values so that range slicing works properly below.
if tend == None:
tend = len(name)
if tstart or tend:
 
bound = len(name)
# Normalize negative refs so we can use consistent
# logic below
 
if tstart < 0:
tstart = bound + tstart
 
if (tend != SINGLEINST and tend < 0):
tend = bound + tend
 
if tstart > tend:
ErrorMsg(eBADSLICE % "%d:%d" % (renrequest[TARGETSTART], renrequest[TARGETEND]))
 
 
# Condition and bounds check the target range as needed
 
# Handle single position references
if (tend == SINGLEINST):
 
# Compute bounds for positive and negative
# indicies. This is necessary because positive
# indicies are 0-based, but negative indicies
# start at -1.
 
bound = len(name)
if tstart < 0:
bound += 1
 
# Select the desired position. Notice that
# out-of-bounds references are ignored. This is
# so the user can specify renaming operations on
# file names of varying lengths and have them
# apply only to those files long enough to
# accommodate the request without blowing up on
# the ones that are not long enough.
 
if abs(tstart) < bound:
# out-of-bounds references are ignored and the
# name is left untouched. This is so the user
# can specify renaming operations on file
# names of varying lengths and have them apply
# only to those files long enough to
# accommodate the request without blowing up
# on the ones that are not long enough.
 
if 0 <= tstart < bound:
lname, name, rname = name[:tstart], name[tstart], name[tstart+1:]
 
# Reference is out of bounds - leave name untouched
 
else:
lname, name, rname = name, "", ""
 
# Handle slice range requests
 
else:
lname, name, rname = name[:tstart], name[tstart:tend], name[tend:]
 
# Save current state of name
newname = name
# Handle conventional string replacement renaming requests
 
if renrequest[OLD] or renrequest[NEW]:
if name and (renrequest[OLD] or renrequest[NEW]):
 
# Resolve any embedded renaming tokens
 
old = self.__ResolveRenameTokens(target, renrequest[OLD])