pire was achived on GitHub, move the code into library/cpp/regex/pire

commit_hash:018daf4645e87c4e0b31e1191af4e75e48f6d958

1 files changed, 91 insertions, 0 deletions

diff --git a/library/cpp/regex/pire/ut/inline_ut.cpp b/library/cpp/regex/pire/ut/inline_ut.cpp
new file mode 100644
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+++ b/library/cpp/regex/pire/ut/inline_ut.cpp
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+/*
+ * inline_ut.cpp --
+ *
+ * Copyright (c) 2007-2010, Dmitry Prokoptsev <dprokoptsev@gmail.com>,
+ *                          Alexander Gololobov <agololobov@gmail.com>
+ *
+ * This file is part of Pire, the Perl Incompatible
+ * Regular Expressions library.
+ *
+ * Pire is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * Pire is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser Public License for more details.
+ * You should have received a copy of the GNU Lesser Public License
+ * along with Pire.  If not, see <http://www.gnu.org/licenses>.
+ */
+
+
+#include <stub/hacks.h>
+#include "stub/cppunit.h"
+#include <pire.h>
+#include <iostream>
+#include <string.h>
+
+Y_UNIT_TEST_SUITE(TestPireInline) {
+
+template<class Scanner>
+typename Scanner::State RunRegexp(const Scanner& scanner, const char* str)
+{
+	typename Scanner::State state;
+	scanner.Initialize(state);
+	Step(scanner, state, Pire::BeginMark);
+	Run(scanner, state, str, str + strlen(str));
+	Step(scanner, state, Pire::EndMark);
+	return state;
+}
+
+template<class Scanner>
+bool Matches(const Scanner& scanner, const char* str)
+{
+	return scanner.Final(RunRegexp(scanner, str));
+}
+
+template<class Scanner>
+bool Matches2(const Scanner& scanner, const char* str)
+{
+	return Pire::Matches(scanner, str);
+}
+
+bool ParticularMatch(Pire::Scanner& sc, Pire::Scanner::State st, size_t idx)
+{
+	std::pair<const size_t*, const size_t*> p = sc.AcceptedRegexps(st);
+	return std::distance(p.first, p.second) == 1 && *p.first == idx;
+}
+
+Y_UNIT_TEST(Inline)
+{
+	Pire::Scanner scanner = PIRE_REGEXP("http://([a-z0-9]+\\.)+[a-z]{2,4}/?", "is");
+	UNIT_ASSERT(Matches(scanner, "http://domain.vasya.ru/"));
+	UNIT_ASSERT(Matches(scanner, "prefix http://domain.vasya.ru/"));
+	UNIT_ASSERT(!Matches(scanner, "http://127.0.0.1/"));
+
+	Pire::Scanner scanner2 = PIRE_REGEXP("http://([a-z0-9]+\\.)+[a-z]{2,4}/?", "i");
+	UNIT_ASSERT(Matches2(scanner2, "http://domain.vasya.ru/"));
+	UNIT_ASSERT(!Matches2(scanner2, "prefix http://domain.vasya.ru/"));
+	UNIT_ASSERT(!Matches2(scanner2, "http://127.0.0.1/"));
+}
+ 
+Y_UNIT_TEST(InlineGlue)
+{
+	// Check whether pire_inline handles comments as well:
+	
+	/* - a C-style comment outside a regexp; */
+	Pire::Scanner sc = PIRE_REGEXP(
+		"foo", "", /* - a C-style comment inside a regexp; */
+		"bar", "", // - a C++-style comment inside a regexp;
+		"baz", ""
+	);
+	// - a C++-style comment outside a regexp.
+	UNIT_ASSERT(ParticularMatch(sc, Pire::Runner(sc).Run("foo").State(), 0));
+	UNIT_ASSERT(ParticularMatch(sc, Pire::Runner(sc).Run("bar").State(), 1));
+	UNIT_ASSERT(ParticularMatch(sc, Pire::Runner(sc).Run("baz").State(), 2));
+	UNIT_ASSERT(!Matches2(sc, "xxx"));
+}
+
+}