KT-1255 Quote handler added.

idea/src/META-INF/plugin.xml

@@ -76,6 +76,7 @@
       <lang.formatter language="jet" implementationClass="org.jetbrains.jet.plugin.formatter.JetFormattingModelBuilder"/>
       <lang.findUsagesProvider language="jet" implementationClass="org.jetbrains.jet.plugin.findUsages.JetFindUsagesProvider"/>
       <lang.refactoringSupport language="jet" implementationClass="org.jetbrains.jet.plugin.refactoring.JetRefactoringSupportProvider"/>
+      <quoteHandler fileType="Kotlin" className="org.jetbrains.jet.plugin.editor.KotlinQuoteHandler"/>
       <refactoring.moveHandler implementation="org.jetbrains.jet.plugin.refactoring.move.JetMoveFilesOrDirectoriesHandler"/>
       <refactoring.copyHandler implementation="org.jetbrains.jet.plugin.refactoring.copy.JetCopyClassHandler"/>
       <treeStructureProvider implementation="org.jetbrains.jet.plugin.projectView.JetProjectViewProvider"/>

idea/src/org/jetbrains/jet/plugin/editor/KotlinQuoteHandler.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.plugin.editor;
+
+import com.intellij.codeInsight.editorActions.QuoteHandler;
+import com.intellij.openapi.editor.Editor;
+import com.intellij.openapi.editor.highlighter.HighlighterIterator;
+import com.intellij.psi.tree.IElementType;
+import org.jetbrains.jet.lexer.JetTokens;
+
+/**
+ * @author Alefas
+ * @since 03.04.12
+ */
+public class KotlinQuoteHandler implements QuoteHandler {
+    @Override
+    public boolean isClosingQuote(HighlighterIterator iterator, int offset) {
+        IElementType tokenType = iterator.getTokenType();
+
+        if (tokenType == JetTokens.CHARACTER_LITERAL) {
+            int start = iterator.getStart();
+            int end = iterator.getEnd();
+            return end - start >= 1 && offset == end - 1;
+        } else if (tokenType == JetTokens.CLOSING_QUOTE) {
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public boolean isOpeningQuote(HighlighterIterator iterator, int offset) {
+        final IElementType tokenType = iterator.getTokenType();
+
+        if (tokenType == JetTokens.OPEN_QUOTE) {
+            int start = iterator.getStart();
+            return offset == start;
+        }
+        return false;
+    }
+
+    @Override
+    public boolean hasNonClosedLiteral(Editor editor, HighlighterIterator iterator, int offset) {
+      return true;
+    }
+
+    @Override
+    public boolean isInsideLiteral(HighlighterIterator iterator) {
+        final IElementType tokenType = iterator.getTokenType();
+        return tokenType == JetTokens.REGULAR_STRING_PART ||
+               tokenType == JetTokens.OPEN_QUOTE ||
+               tokenType == JetTokens.CLOSING_QUOTE ||
+               tokenType == JetTokens.SHORT_TEMPLATE_ENTRY_START ||
+               tokenType == JetTokens.LONG_TEMPLATE_ENTRY_END ||
+               tokenType == JetTokens.LONG_TEMPLATE_ENTRY_START;
+    }
+}