1 files changed, 54 insertions, 0 deletions
diff --git a/core/fxcodec/jbig2/JBig2_List.h b/core/fxcodec/jbig2/JBig2_List.h
new file mode 100644
index 0000000000..b021ac3375
--- /dev/null
+++ b/core/fxcodec/jbig2/JBig2_List.h
@@ -0,0 +1,54 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FXCODEC_JBIG2_JBIG2_LIST_H_
+#define CORE_FXCODEC_JBIG2_JBIG2_LIST_H_
+
+#include <stdlib.h>
+
+#include <vector>
+
+// A poor man's ScopedVector for pointers of TYPE.
+// Owns all the pointers contained within and deletes them on destruction.
+template <class TYPE>
+class CJBig2_List {
+ public:
+  CJBig2_List() {}
+  explicit CJBig2_List(size_t count) { resize(count); }
+
+  ~CJBig2_List() { clear(); }
+
+  TYPE* get(size_t index) const { return m_vector[index]; }
+  TYPE* back() const { return m_vector.back(); }
+  size_t size() const { return m_vector.size(); }
+
+  // Deletes all the pointers contained within.
+  void clear() {
+    for (size_t i = 0; i < m_vector.size(); ++i)
+      delete m_vector[i];
+    m_vector.clear();
+  }
+
+  // Takes ownership of |pItem|.
+  void push_back(TYPE* pItem) { m_vector.push_back(pItem); }
+
+  // Takes ownership of |pItem|.
+  void set(size_t index, TYPE* pItem) {
+    delete m_vector[index];
+    m_vector[index] = pItem;
+  }
+
+  void resize(size_t count) {
+    for (size_t i = count; i < size(); ++i)
+      delete m_vector[i];
+    m_vector.resize(count);
+  }
+
+ private:
+  std::vector<TYPE*> m_vector;
+};
+
+#endif  // CORE_FXCODEC_JBIG2_JBIG2_LIST_H_