--- /dev/null
+##############################################################################
+#
+# Zope Public License (ZPL) Version 1.0
+# -------------------------------------
+#
+# Copyright (c) Digital Creations. All rights reserved.
+#
+# This license has been certified as Open Source(tm).
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# 1. Redistributions in source code must retain the above copyright
+# notice, this list of conditions, and the following disclaimer.
+#
+# 2. 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.
+#
+# 3. Digital Creations requests that attribution be given to Zope
+# in any manner possible. Zope includes a "Powered by Zope"
+# button that is installed by default. While it is not a license
+# violation to remove this button, it is requested that the
+# attribution remain. A significant investment has been put
+# into Zope, and this effort will continue if the Zope community
+# continues to grow. This is one way to assure that growth.
+#
+# 4. All advertising materials and documentation mentioning
+# features derived from or use of this software must display
+# the following acknowledgement:
+#
+# "This product includes software developed by Digital Creations
+# for use in the Z Object Publishing Environment
+# (http://www.zope.org/)."
+#
+# In the event that the product being advertised includes an
+# intact Zope distribution (with copyright and license included)
+# then this clause is waived.
+#
+# 5. Names associated with Zope or Digital Creations must not be used to
+# endorse or promote products derived from this software without
+# prior written permission from Digital Creations.
+#
+# 6. Modified redistributions of any form whatsoever must retain
+# the following acknowledgment:
+#
+# "This product includes software developed by Digital Creations
+# for use in the Z Object Publishing Environment
+# (http://www.zope.org/)."
+#
+# Intact (re-)distributions of any official Zope release do not
+# require an external acknowledgement.
+#
+# 7. Modifications are encouraged but must be packaged separately as
+# patches to official Zope releases. Distributions that do not
+# clearly separate the patches from the original work must be clearly
+# labeled as unofficial distributions. Modifications which do not
+# carry the name Zope may be packaged in any form, as long as they
+# conform to all of the clauses above.
+#
+#
+# Disclaimer
+#
+# THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS ``AS IS'' AND ANY
+# EXPRESSED 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 ITS
+# 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.
+#
+#
+# This software consists of contributions made by Digital Creations and
+# many individuals on behalf of Digital Creations. Specific
+# attributions are listed in the accompanying credits file.
+#
+##############################################################################
+"""Provide a thread-safe interface to regex
+"""
+import regex, regsub #, Sync
+from regex import *
+from regsub import split, sub, gsub, splitx, capwords
+
+try:
+ import thread
+except:
+ class allocate_lock:
+ def acquire(*args): pass
+ def release(*args): pass
+
+else:
+ class SafeFunction:
+ _l=thread.allocate_lock()
+ _a=_l.acquire
+ _r=_l.release
+
+ def __init__(self, f):
+ self._f=f
+
+ def __call__(self, *args, **kw):
+ self._a()
+ try: return apply(self._f, args, kw)
+ finally: self._r()
+
+ split=SafeFunction(split)
+ sub=SafeFunction(sub)
+ gsub=SafeFunction(gsub)
+ splitx=SafeFunction(splitx)
+ capwords=SafeFunction(capwords)
+
+ allocate_lock=thread.allocate_lock
+
+class compile:
+
+ _r=None
+ groupindex=None
+
+ def __init__(self, *args):
+ self._r=r=apply(regex.compile,args)
+ self._init(r)
+
+ def _init(self, r):
+ lock=allocate_lock()
+ self.__a=lock.acquire
+ self.__r=lock.release
+ self.translate=r.translate
+ self.givenpat=r.givenpat
+ self.realpat=r.realpat
+
+ def match(self, string, pos=0):
+ self.__a()
+ try: return self._r.match(string, pos)
+ finally: self.__r()
+
+ def search(self, string, pos=0):
+ self.__a()
+ try: return self._r.search(string, pos)
+ finally: self.__r()
+
+ 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.
+ """
+ self.__a()
+ try:
+ r=self._r
+ l=r.search(str, pos)
+ if l < 0: return None
+ return l, apply(r.group, group)
+ finally: self.__r()
+
+ 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.
+ """
+ self.__a()
+ try:
+ r=self._r
+ l=r.match(str, pos)
+ if l < 0: return None
+ return l, apply(r.group, group)
+ finally: self.__r()
+
+ 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.
+ """
+ self.__a()
+ try:
+ r=self._r
+ r.search(str, pos)
+ return r.regs
+ finally: self.__r()
+
+ 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.
+ """
+ self.__a()
+ try:
+ r=self._r
+ r.match(str, pos)
+ return r.regs
+ finally: self.__r()
+
+class symcomp(compile):
+
+ def __init__(self, *args):
+ self._r=r=apply(regex.symcomp,args)
+ self._init(r)
+ self.groupindex=r.groupindex
+
+
+
+
+
projects / wxWidgets.git / blobdiff