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64 lines (60 loc) · 2.82 KB
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#!/usr/bin/env python
# The MIT License (MIT)
#
# Copyright (c) 2016 Noah Petherbridge
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
from __future__ import unicode_literals
import re
"""Common regular expressions used in RiveScript."""
# Common regular expressions.
class RE(object):
equals = re.compile('\s*=\s*')
ws = re.compile('\s+')
objend = re.compile('^\s*<\s*object')
weight = re.compile('\{weight=(\d+)\}')
inherit = re.compile('\{inherits=(\d+)\}')
wilds = re.compile('[\s\*\#\_]+')
nasties = re.compile('[^A-Za-z0-9 ]')
crlf = re.compile('<crlf>')
literal_w = re.compile(r'\\w')
array = re.compile(r'\@(.+?)\b')
def_syntax = re.compile(r'^.+(?:\s+.+|)\s*=\s*.+?$')
name_syntax = re.compile(r'[^a-z0-9_\-\s]')
utf8_trig = re.compile(r'[A-Z\\.]')
trig_syntax = re.compile(r'[^a-z0-9(\|)\[\]*_#@{}<>=\s]')
cond_syntax = re.compile(r'^.+?\s*(?:==|eq|!=|ne|<>|<|<=|>|>=)\s*.+?=>.+?$')
utf8_meta = re.compile(r'[\\<>]')
utf8_punct = re.compile(r'[.?,!;:@#$%^&*()]')
cond_split = re.compile(r'\s*=>\s*')
cond_parse = re.compile(r'^(.+?)\s+(==|eq|!=|ne|<>|<|<=|>|>=)\s+(.+?)$')
topic_tag = re.compile(r'\{topic=(.+?)\}')
set_tag = re.compile(r'<set (.+?)=(.+?)>')
bot_tag = re.compile(r'<bot (.+?)>')
get_tag = re.compile(r'<get (.+?)>')
star_tags = re.compile(r'<star(\d+)>')
botstars = re.compile(r'<botstar(\d+)>')
input_tags = re.compile(r'<input([1-9])>')
reply_tags = re.compile(r'<reply([1-9])>')
random_tags = re.compile(r'\{random\}(.+?)\{/random\}')
redir_tag = re.compile(r'\{@(.+?)\}')
tag_search = re.compile(r'<([^<]+?)>')
placeholder = re.compile(r'\x00(\d+)\x00')
zero_star = re.compile(r'^\*$')
optionals = re.compile(r'\[(.+?)\]')