1 files changed, 59 insertions, 0 deletions
diff --git a/platform/structuralsearch/source/com/intellij/structuralsearch/impl/matcher/compiler/DeleteNodesAction.java b/platform/structuralsearch/source/com/intellij/structuralsearch/impl/matcher/compiler/DeleteNodesAction.java
new file mode 100644
index 000000000000..4b5ad7c64545
--- /dev/null
+++ b/platform/structuralsearch/source/com/intellij/structuralsearch/impl/matcher/compiler/DeleteNodesAction.java
@@ -0,0 +1,59 @@
+package com.intellij.structuralsearch.impl.matcher.compiler;
+
+import com.intellij.psi.PsiElement;
+
+import java.util.ArrayList;
+
+/**
+ * Created by IntelliJ IDEA.
+ * User: maxim
+ * Date: 17.11.2004
+ * Time: 19:24:40
+ * To change this template use File | Settings | File Templates.
+ */
+class DeleteNodesAction implements Runnable {
+  private final ArrayList elements;
+
+  DeleteNodesAction(ArrayList _elements) {
+    elements = _elements;
+  }
+
+  private void delete(PsiElement first, PsiElement last) throws Exception {
+    if (last==first) {
+      first.delete();
+    } else {
+      first.getParent().deleteChildRange(first,last);
+    }
+  }
+  public void run() {
+    try {
+      PsiElement first= null;
+      PsiElement last = null;
+
+      for(int i = 0;i < elements.size(); ++i) {
+        final PsiElement el = (PsiElement)elements.get(i);
+
+        if (!el.isValid()) continue;
+          
+        if (first==null) {
+          first = last = el;
+        } else if (last.getNextSibling()==el) {
+          last = el;
+        } else {
+          delete(first,last);
+          first = last = null;
+          --i;
+          continue;
+        }
+      }
+
+      if (first!=null) {
+        delete(first,last);
+      }
+    } catch(Throwable ex) {
+      ex.printStackTrace();
+    } finally {
+      elements.clear();
+    }
+  }
+}