explode string by delimiter

alib2std/src/extensions/string.cpp

@@ -101,4 +101,20 @@ std::string cstringToString ( char * param ) {
 	return res;
 }
+ext::vector < std::string > explode ( std::string source, std::string delimiter ) {
+	std::string part;
+	ext::vector < std::string > res;
+	size_t start_pos = 0;
+	size_t end_pos;
+
+	while ( ( end_pos = source.find ( delimiter, start_pos ) ) != std::string::npos ) {
+		res.push_back ( source.substr ( start_pos, end_pos - start_pos ) );
+		start_pos = end_pos + delimiter.size ( );
+	}
+
+	res.push_back ( source.substr ( start_pos, source.size ( ) ) );
+
+	return res;
+}
+
 } /* namespace ext */

alib2std/src/extensions/string.hpp

@@ -11,6 +11,7 @@
 #include <string>
 #include <stdexcept>
 #include "compare.hpp"
+#include "vector.hpp"
 namespace ext {
@@ -112,6 +113,8 @@ struct compare < std::string > {
 };
+ext::vector < std::string > explode ( std::string source, std::string delimiter );
+
 } /* namespace ext */
 #endif /* __STRING_HPP_ */

alib2std/test-src/extensions/StringTest.cpp

@@ -18,3 +18,51 @@ void StringTest::testToString() {
 	CPPUNIT_ASSERT ( ext::to_string ( a ) == "" );
 }
+void StringTest::testExplode ( ) {
+	{
+		std::string one ( "a::bb::ccc" );
+		ext::vector < std::string > oneExploded = ext::explode ( one, "::" );
+
+		std::cout << oneExploded << std::endl;
+
+		CPPUNIT_ASSERT ( oneExploded.size ( ) == 3 );
+		CPPUNIT_ASSERT ( oneExploded [ 0 ] == "a" );
+		CPPUNIT_ASSERT ( oneExploded [ 1 ] == "bb" );
+		CPPUNIT_ASSERT ( oneExploded [ 2 ] == "ccc" );
+	}
+	{
+		std::string one ( "a::bb::ccc::" );
+		ext::vector < std::string > oneExploded = ext::explode ( one, "::" );
+
+		CPPUNIT_ASSERT ( oneExploded.size ( ) == 4 );
+		CPPUNIT_ASSERT ( oneExploded [ 0 ] == "a" );
+		CPPUNIT_ASSERT ( oneExploded [ 1 ] == "bb" );
+		CPPUNIT_ASSERT ( oneExploded [ 2 ] == "ccc" );
+		CPPUNIT_ASSERT ( oneExploded [ 3 ] == "" );
+	}
+	{
+		std::string one ( "" );
+		ext::vector < std::string > oneExploded = ext::explode ( one, "::" );
+
+		CPPUNIT_ASSERT ( oneExploded.size ( ) == 1 );
+		CPPUNIT_ASSERT ( oneExploded [ 0 ] == "" );
+	}
+	{
+		std::string one ( "::aa" );
+		ext::vector < std::string > oneExploded = ext::explode ( one, "::" );
+
+		std::cout << oneExploded << std::endl;
+
+		CPPUNIT_ASSERT ( oneExploded.size ( ) == 2 );
+		CPPUNIT_ASSERT ( oneExploded [ 0 ] == "" );
+		CPPUNIT_ASSERT ( oneExploded [ 1 ] == "aa" );
+	}
+	{
+		std::string one ( "::" );
+		ext::vector < std::string > oneExploded = ext::explode ( one, "::" );
+
+		CPPUNIT_ASSERT ( oneExploded.size ( ) == 2 );
+		CPPUNIT_ASSERT ( oneExploded [ 0 ] == "" );
+		CPPUNIT_ASSERT ( oneExploded [ 1 ] == "" );
+	}
+}

alib2std/test-src/extensions/StringTest.h

@@ -3,24 +3,25 @@
 #include <cppunit/extensions/HelperMacros.h>
-class StringTest : public CppUnit::TestFixture
-{
-  CPPUNIT_TEST_SUITE( StringTest );
-  CPPUNIT_TEST( testToString );
-  CPPUNIT_TEST_SUITE_END();
-  class A {
-  public:
-    explicit operator std::string ( ) const {
-      return "";
-    }
-  };
+class StringTest : public CppUnit::TestFixture {
+	CPPUNIT_TEST_SUITE( StringTest );
+	CPPUNIT_TEST( testToString );
+	CPPUNIT_TEST( testExplode );
+	CPPUNIT_TEST_SUITE_END();
+	class A {
+	public:
+		explicit operator std::string ( ) const {
+			return "";
+		}
+	};
 public:
-  void setUp();
-  void tearDown();
-  void testToString();
+	void setUp ( );
+	void tearDown ( );
+	void testToString ( );
+	void testExplode ( );
 };
-#endif  // STRING_TEST_H_
+#endif /* STRING_TEST_H_ */