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##############################################################################
#
# Copyright (c) 1996-1998, Digital Creations, Fredericksburg, VA, USA.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# o Redistributions of source code must retain the above copyright
# notice, this list of conditions, and the disclaimer that follows.
#
# o Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions, and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# o All advertising materials mentioning features or use of this
# software must display the following acknowledgement:
#
# This product includes software developed by Digital Creations
# and its contributors.
#
# o Neither the name of Digital Creations nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
#
# THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS AND CONTRIBUTORS *AS IS*
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DIGITAL
# CREATIONS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
# TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
# DAMAGE.
#
#
# If you have questions regarding this software, contact:
#
# Digital Creations, L.C.
# 910 Princess Ann Street
# Fredericksburge, Virginia 22401
#
# info@digicool.com
#
# (540) 371-6909
#
##############################################################################
import regex
from regex import *
try:
import thread, Sync
allocate_lock=thread.allocate_lock
class compile:
_r=None
def __init__(self, *args):
self._r=r=apply(regex.compile,args)
self.search=r.search
self.match=r.match
def search_group(self, str, group, pos=0):
"""Search a string for a pattern.
If the pattern was not found, then None is returned,
otherwise, the location where the pattern was found,
as well as any specified group are returned.
"""
r=self._r
l=r.search(str, pos)
if l < 0: return None
return l, apply(r.group, group)
def match_group(self, str, group, pos=0):
"""Match a pattern against a string
If the string does not match the pattern, then None is
returned, otherwise, the length of the match, as well
as any specified group are returned.
"""
r=self._r
l=r.match(str, pos)
if l < 0: return None
return l, apply(r.group, group)
def search_regs(self, str, pos=0):
"""Search a string for a pattern.
If the pattern was not found, then None is returned,
otherwise, the 'regs' attribute of the expression is
returned.
"""
r=self._r
r.search(str, pos)
return r.regs
def match_regs(self, str, pos=0):
"""Match a pattern against a string
If the string does not match the pattern, then None is
returned, otherwise, the 'regs' attribute of the expression is
returned.
"""
r=self._r
r.match(str, pos)
return r.regs
def __getattr__(self, name): return getattr(self._r, name)
class symcomp(compile):
def __init__(self, *args):
self._r=r=apply(regex.symcomp,args)
self.search=r.search
self.match=r.match
class SafeFunction:
_l=allocate_lock()
_a=_l.acquire
_r=_l.release
def __init__(self, f):
self._f=f
def __call__(self, *args, **kw):
self._a()
try:
f=self._f
if type(f) is type(''):
import regsub
f=self._f=getattr(regsub,f)
return apply(f, args, kw)
finally: self._r()
except:
class allocate_lock:
def acquire(*args): pass
def release(*args): pass
class SafeFunction:
def __init__(self, f):
self._f=f
def __call__(self, *args, **kw):
f=self._f
if type(f) is type(''):
import regsub
f=self._f=getattr(regsub,f)
return apply(f, args, kw)
split=SafeFunction('split')
sub=SafeFunction('sub')
gsub=SafeFunction('gsub')
splitx=SafeFunction('splitx')
capwords=SafeFunction('capwords')
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