From b92f53240056d8558607d4f10e68de50c8ed0375 Mon Sep 17 00:00:00 2001
From: Oleg Shpynov <oleg.shpynov@jetbrains.com>
Date: Tue, 26 Jan 2010 20:26:41 +0300
Subject: [PATCH] First step of extract method: CodeFragment

---
 .../CannotCreateCodeFragmentException.java         | 10 ++++++
 .../codeInsight/codeFragment/CodeFragment.java     | 30 +++++++++++++++++
 .../codeInsight/codeFragment/CodeFragmentUtil.java | 39 ++++++++++++++++++++++
 .../codeInsight/codeFragment/Position.java         | 25 ++++++++++++++
 4 files changed, 104 insertions(+)
 create mode 100644 platform/lang-impl/src/com/intellij/codeInsight/codeFragment/CannotCreateCodeFragmentException.java
 create mode 100644 platform/lang-impl/src/com/intellij/codeInsight/codeFragment/CodeFragment.java
 create mode 100644 platform/lang-impl/src/com/intellij/codeInsight/codeFragment/CodeFragmentUtil.java
 create mode 100644 platform/lang-impl/src/com/intellij/codeInsight/codeFragment/Position.java

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/codeFragment/CannotCreateCodeFragmentException.java b/platform/lang-impl/src/com/intellij/codeInsight/codeFragment/CannotCreateCodeFragmentException.java
new file mode 100644
index 0000000000..706e71c3cc
--- /dev/null
+++ b/platform/lang-impl/src/com/intellij/codeInsight/codeFragment/CannotCreateCodeFragmentException.java
@@ -0,0 +1,10 @@
+package com.intellij.codeInsight.codeFragment;
+
+/**
+* @author oleg
+*/
+public class CannotCreateCodeFragmentException extends RuntimeException {
+   public CannotCreateCodeFragmentException(final String reason) {
+     super(reason);
+   }
+ }
diff --git a/platform/lang-impl/src/com/intellij/codeInsight/codeFragment/CodeFragment.java b/platform/lang-impl/src/com/intellij/codeInsight/codeFragment/CodeFragment.java
new file mode 100644
index 0000000000..3d394c8fed
--- /dev/null
+++ b/platform/lang-impl/src/com/intellij/codeInsight/codeFragment/CodeFragment.java
@@ -0,0 +1,30 @@
+package com.intellij.codeInsight.codeFragment;
+
+import java.util.Set;
+
+/**
+ * @author oleg
+ */
+public class CodeFragment {
+  private final Set<String> inputVariables;
+  private final Set<String> outputVariables;
+  private final boolean returnInstructonInside;
+
+  public CodeFragment(final Set<String> input, final Set<String> output, final boolean returnInside) {
+    inputVariables = input;
+    outputVariables = output;
+    returnInstructonInside = returnInside;
+  }
+
+  public Set<String> getInputVariables() {
+    return inputVariables;
+  }
+
+  public Set<String> getOutputVariables() {
+    return outputVariables;
+  }
+
+  public boolean isReturnInstructonInside() {
+    return returnInstructonInside;
+  }
+}
diff --git a/platform/lang-impl/src/com/intellij/codeInsight/codeFragment/CodeFragmentUtil.java b/platform/lang-impl/src/com/intellij/codeInsight/codeFragment/CodeFragmentUtil.java
new file mode 100644
index 0000000000..f6ac9466ef
--- /dev/null
+++ b/platform/lang-impl/src/com/intellij/codeInsight/codeFragment/CodeFragmentUtil.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2000-2010 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 com.intellij.codeInsight.codeFragment;
+
+import com.intellij.psi.PsiElement;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * @author oleg
+ */
+public class CodeFragmentUtil {
+  public static Position getPosition(@NotNull final PsiElement element, final int startOffset, final int endOffset) {
+    final int offset = element.getTextOffset();
+    if (offset < startOffset) {
+      return Position.BEFORE;
+    }
+    if (element.getTextOffset() < endOffset) {
+      return Position.INSIDE;
+    }
+    return Position.AFTER;
+  }
+
+  public static boolean elementFit(final PsiElement element, final int start, final int end) {
+    return element != null && start <= element.getTextOffset() && element.getTextOffset() + element.getTextLength() <= end;
+  }
+}
diff --git a/platform/lang-impl/src/com/intellij/codeInsight/codeFragment/Position.java b/platform/lang-impl/src/com/intellij/codeInsight/codeFragment/Position.java
new file mode 100644
index 0000000000..28435de102
--- /dev/null
+++ b/platform/lang-impl/src/com/intellij/codeInsight/codeFragment/Position.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2000-2010 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 com.intellij.codeInsight.codeFragment;
+
+/**
+ * @author oleg
+ */
+public enum Position {
+  BEFORE,
+  INSIDE,
+  AFTER
+}
-- 
2.11.4.GIT