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-rw-r--r--project2/proj2_s4498062/dns/regexes.py33
1 files changed, 0 insertions, 33 deletions
diff --git a/project2/proj2_s4498062/dns/regexes.py b/project2/proj2_s4498062/dns/regexes.py
deleted file mode 100644
index 07c1eed..0000000
--- a/project2/proj2_s4498062/dns/regexes.py
+++ /dev/null
@@ -1,33 +0,0 @@
-"""Regexes used in the DNS protocol"""
-
-
-def grpm(regex):
- """Make a matching group"""
- return grp(regex, matching=True)
-
-
-def grp(regex, matching=False):
- """Make a group"""
- return r'(' + (r'' if matching else r'?:') + regex + r')'
-
-
-def opt(regex):
- """Make an optional group"""
- return grp(grp(regex) + r'?')
-
-
-def regex_opt_r(*regexes):
- """Make a group that matches one of the given regexes"""
- return grp(r'|'.join(regexes))
-
-
-DIGIT = r'\d'
-LETTER = r'[a-zA-Z]'
-LETDIG = grp(regex_opt_r(DIGIT, LETTER))
-LETDIGHYP = grp(regex_opt_r(LETDIG, r'-'))
-LDHSTR = grp(LETDIGHYP + r'+')
-LABEL = grp(LETTER + opt(opt(LDHSTR) + LETDIG))
-SUBDOMAIN = grp(grpm(grp(LABEL + r'\.') + r'*') + grpm(LABEL))
-DOMAIN = regex_opt_r(SUBDOMAIN, r' ')
-
-IP = r'(?:(?:\d{1,3}\.){3}\d{1,3})'