From 330c93fa77b72cf71dd7c308eebd8696635f7a35 Mon Sep 17 00:00:00 2001
From: Michael Friedrich <michael.friedrich@gmail.com>
Date: Wed, 11 Mar 2015 00:11:18 +0100
Subject: [PATCH] Implement String#contains

fixes #8659
---
 doc/20-library-reference.md | 14 ++++++++++++++
 lib/base/string-script.cpp  |  8 ++++++++
 2 files changed, 22 insertions(+)

diff --git a/doc/20-library-reference.md b/doc/20-library-reference.md
index f6e8e1917..53727d05b 100644
--- a/doc/20-library-reference.md
+++ b/doc/20-library-reference.md
@@ -399,6 +399,20 @@ Example:
 
     "Hello World".find("World") /* Returns 6 */
 
+### <a id="string-contains"></a> String#contains
+
+Signature:
+
+    function contains(str);
+
+Returns `true` if the string `str` was found in the string. If the string
+was not found `false` is returned. Use [find](20-library-reference.md#string-find)
+for getting the index instead.
+
+Example:
+
+    "Hello World".contains("World") /* Returns true */
+
 ### <a id="string-len"></a> String#len
 
 Signature
diff --git a/lib/base/string-script.cpp b/lib/base/string-script.cpp
index 72e1ded04..d9c8f0b69 100644
--- a/lib/base/string-script.cpp
+++ b/lib/base/string-script.cpp
@@ -110,6 +110,13 @@ static Value StringFind(const std::vector<Value>& args)
 		return result;
 }
 
+static bool StringContains(const Value& value)
+{
+	ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
+	String self = vframe->Self;
+	return self.Contains(value);
+}
+
 static Value StringReplace(const String& search, const String& replacement)
 {
 	ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
@@ -133,6 +140,7 @@ Object::Ptr String::GetPrototype(void)
 		prototype->Set("lower", new Function(WrapFunction(StringLower)));
 		prototype->Set("split", new Function(WrapFunction(StringSplit)));
 		prototype->Set("find", new Function(WrapFunction(StringFind)));
+		prototype->Set("contains", new Function(WrapFunction(StringContains)));
 		prototype->Set("replace", new Function(WrapFunction(StringReplace)));
 	}