Add String::Contains().

Refs #5355

lib/base/qstring.cpp

@@ -22,6 +22,8 @@
 #include <boost/algorithm/string/trim.hpp>
 #include <boost/algorithm/string/join.hpp>
 #include <boost/algorithm/string/compare.hpp>
+#include <boost/algorithm/string/predicate.hpp>
+#include <boost/algorithm/string/classification.hpp>
 
 using namespace icinga;
 
@@ -179,6 +181,11 @@ void String::Trim(void)
 	boost::algorithm::trim(m_Data);
 }
 
+bool String::Contains(const String& str) const
+{
+	return boost::algorithm::contains(m_Data, str);
+}
+
 void String::swap(String& str)
 {
 	m_Data.swap(str.m_Data);

lib/base/qstring.h

@@ -91,6 +91,7 @@ public:
 	void Replace(size_t first, size_t second, const String& str);
 
 	void Trim(void);
+	bool Contains(const String& str) const;
 
 	void swap(String& str);
 	Iterator erase(Iterator first, Iterator last);

test/CMakeLists.txt

@@ -62,6 +62,7 @@ add_boost_test(base
         base_string/clear
         base_string/append
         base_string/trim
+	base_string/contains
         base_string/replace
         base_string/index
         base_string/find

test/base-string.cpp

@@ -79,6 +79,21 @@ BOOST_AUTO_TEST_CASE(trim)
 	BOOST_CHECK(s4 == "hello");
 }
 
+BOOST_AUTO_TEST_CASE(contains)
+{
+	String s1 = "hello world";
+	String s2 = "hello";
+	BOOST_CHECK(s1.Contains(s2));
+
+	String s3 = "  hello world  ";
+	String s4 = "  hello";
+	BOOST_CHECK(s3.Contains(s4));
+
+	String s5 = "  hello world  ";
+	String s6 = "world  ";
+	BOOST_CHECK(s5.Contains(s6));
+}
+
 BOOST_AUTO_TEST_CASE(replace)
 {
 	String s = "hello";