Add string::split()

CHANGELOG.md

@@ -6,10 +6,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## 0.28.1 - Unreleased
 ### Fixes
-- Fixed save_dir mounting
+- Fixed `/libretro/saves` mounting
 
 ### Features
 - Added `string::trim()`
+- Added `string::split()`
 
 ## 0.28.0 - 2018-10-07
 ### Features

src/love/script.cpp

@@ -104,14 +104,14 @@ script::script(const std::string& file) {
 		return newSubject;
 	}), "replace");
 
-	//  string::replace(char search, char replace)
+	// string::replace(char search, char replace)
 	chai.add(fun([](const std::string& subject, char search, char replace) {
 		std::string newSubject(subject);
 		std::replace(newSubject.begin(), newSubject.end(), search, replace);
 		return newSubject;
 	}), "replace");
 
-	//  string::trim()
+	// string::trim()
 	chai.add(fun([](const std::string& subject) {
 		std::string result(subject);
 		std::string chars = "\t\n\v\f\r ";
@@ -120,6 +120,26 @@ script::script(const std::string& file) {
 		return result;
 	}), "trim");
 
+	// string::split()
+	chai.add(fun([](const std::string& subject, const std::string& token) {
+		std::string str(subject);
+		std::vector<std::string> result;
+		while (str.size()) {
+			int index = str.find(token);
+			if (index != std::string::npos) {
+				result.push_back(str.substr(0, index));
+				str = str.substr(index + token.size());
+				if (str.size() == 0) {
+					result.push_back(str);
+				}
+			} else {
+				result.push_back(str);
+				str = "";
+			}
+		}
+		return result;
+	}), "split");
+
 	// List
 	auto listModule = std::make_shared<chaiscript::Module>();
 	chaiscript::bootstrap::standard_library::list_type<std::list<chaiscript::Boxed_Value> >("List", *listModule);

test/unittests/system.chai

@@ -37,3 +37,11 @@ assert_equal(newReplaceString, "Hello World. Hello World.", "string::replace(cha
 // string::trim()
 var trimSubject = "   Hello World!   "
 assert_equal(trimSubject.trim(), "Hello World!", "string::trim()")
+
+// string::split()
+var splitTest = "Hello|How|Are|You"
+var splitResult = splitTest.split("|")
+assert_equal(splitResult[1], "How", "string::split()")
+splitTest = "Rob, John, Loach"
+splitResult = splitTest.split(", ")
+assert_equal(splitResult[1], "John", "    - commas")