Rule S4652: Strings should not contain new lines (#57)

2 files changed, 35 insertions, 2 deletions

diff --git a/sonar-css-plugin/src/main/java/org/sonar/css/plugin/CssRules.java b/sonar-css-plugin/src/main/java/org/sonar/css/plugin/CssRules.java
index 5a4be0c..d9037cb 100644
--- a/sonar-css-plugin/src/main/java/org/sonar/css/plugin/CssRules.java
+++ b/sonar-css-plugin/src/main/java/org/sonar/css/plugin/CssRules.java
@@ -25,6 +25,7 @@ import org.sonar.api.rule.RuleKey;
 import org.sonar.css.plugin.rules.ColorNoInvalidHex;
 import org.sonar.css.plugin.rules.CommentNoEmpty;
 import org.sonar.css.plugin.rules.CssRule;
+import org.sonar.css.plugin.rules.StringNoNewline;
 import org.sonar.css.plugin.rules.UnitNoUnknown;
 
 import java.util.Arrays;
@@ -53,8 +54,9 @@ public class CssRules {
   public static List<Class> getRuleClasses() {
     return Collections.unmodifiableList(Arrays.asList(
         ColorNoInvalidHex.class,
-        UnitNoUnknown.class,
-        CommentNoEmpty.class
+        CommentNoEmpty.class,       
+            StringNoNewline.class,
+            UnitNoUnknown.class
     ));
   }
 
diff --git a/sonar-css-plugin/src/main/java/org/sonar/css/plugin/rules/StringNoNewline.java b/sonar-css-plugin/src/main/java/org/sonar/css/plugin/rules/StringNoNewline.java
new file mode 100644
index 0000000..a00077f
--- /dev/null
+++ b/sonar-css-plugin/src/main/java/org/sonar/css/plugin/rules/StringNoNewline.java
@@ -0,0 +1,31 @@
+/*
+ * SonarCSS
+ * Copyright (C) 2018-2018 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.css.plugin.rules;
+
+import org.sonar.check.Rule;
+
+@Rule(key = "S4652")
+public class StringNoNewline implements CssRule {
+
+  @Override
+  public String stylelintKey() {
+    return "string-no-newline";
+  }
+}