def _compile(self):
errMsg = "Error: RegexTopMatcher.Compile(): "
expr = self._expr
if '$' != expr[-1]:
expr = expr + "<.*>*"
else:
expr = expr[0:-1]
if '^' != expr[0]:
self._secondaryMatcher = NdnRegexPatternListMatcher(
"<.*>*" + expr, self._secondaryBackrefManager)
else:
expr = expr[1:]
self._primaryMatcher = NdnRegexPatternListMatcher(
expr, self._primaryBackrefManager)
def _compile(self):
if len(self._expr) < 2:
raise NdnRegexMatcherBase.Error("Unrecognized format: " + self._expr)
lastIndex = len(self._expr) - 1
if '(' == self._expr[0] and ')' == self._expr[lastIndex]:
matcher = NdnRegexPatternListMatcher(
self._expr[1:lastIndex], self._backrefManager)
self._matchers.append(matcher)
else:
raise NdnRegexMatcherBase.Error("Unrecognized format: " + self._expr)
def test_backref_matcher_advanced2(self):
backRef = NdnRegexBackrefManager()
cm = NdnRegexPatternListMatcher("(<a>(<b>))<c>", backRef)
res = cm.match(Name("/a/b/c"), 0, 3)
self.assertEqual(True, res)
self.assertEqual(3, len(cm.getMatchResult()))
self.assertEqual("a", cm.getMatchResult()[0].toEscapedString())
self.assertEqual("b", cm.getMatchResult()[1].toEscapedString())
self.assertEqual("c", cm.getMatchResult()[2].toEscapedString())
self.assertEqual(2, backRef.size())
self.assertEqual("a",
backRef.getBackref(0).getMatchResult()[0].toEscapedString())
self.assertEqual("b",
backRef.getBackref(0).getMatchResult()[1].toEscapedString())
self.assertEqual("b",
backRef.getBackref(1).getMatchResult()[0].toEscapedString())
def test_pattern_list_matcher(self):
backRef = NdnRegexBackrefManager()
cm = NdnRegexPatternListMatcher("<a>[<a><b>]", backRef)
res = cm.match(Name("/a/b/c"), 0, 2)
self.assertEqual(True, res)
self.assertEqual(2, len(cm.getMatchResult()))
self.assertEqual("a", cm.getMatchResult()[0].toEscapedString())
self.assertEqual("b", cm.getMatchResult()[1].toEscapedString())
backRef = NdnRegexBackrefManager()
cm = NdnRegexPatternListMatcher("<>*<a>", backRef)
res = cm.match(Name("/a/b/c"), 0, 1)
self.assertEqual(True, res)
self.assertEqual(1, len(cm.getMatchResult()))
self.assertEqual("a", cm.getMatchResult()[0].toEscapedString())
backRef = NdnRegexBackrefManager()
cm = NdnRegexPatternListMatcher("<>*<a>", backRef)
res = cm.match(Name("/a/b/c"), 0, 2)
self.assertEqual(False, res)
self.assertEqual(0, len(cm.getMatchResult()))
backRef = NdnRegexBackrefManager()
cm = NdnRegexPatternListMatcher("<>*<a><>*", backRef)
res = cm.match(Name("/a/b/c"), 0, 3)
self.assertEqual(True, res)
self.assertEqual(3, len(cm.getMatchResult()))
self.assertEqual("a", cm.getMatchResult()[0].toEscapedString())
self.assertEqual("b", cm.getMatchResult()[1].toEscapedString())
self.assertEqual("c", cm.getMatchResult()[2].toEscapedString())