1 files changed, 50 insertions, 0 deletions
diff --git a/core/fpdfdoc/clines.cpp b/core/fpdfdoc/clines.cpp
new file mode 100644
index 0000000000..b11731042d
--- /dev/null
+++ b/core/fpdfdoc/clines.cpp
@@ -0,0 +1,50 @@
+// Copyright 2016 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
+
+#include "core/fpdfdoc/clines.h"
+
+CLines::CLines() : m_nTotal(0) {}
+
+CLines::~CLines() {
+  RemoveAll();
+}
+
+int32_t CLines::GetSize() const {
+  return m_Lines.GetSize();
+}
+
+CLine* CLines::GetAt(int32_t nIndex) const {
+  return m_Lines.GetAt(nIndex);
+}
+
+void CLines::Empty() {
+  m_nTotal = 0;
+}
+
+void CLines::RemoveAll() {
+  for (int32_t i = 0, sz = GetSize(); i < sz; i++)
+    delete GetAt(i);
+  m_Lines.RemoveAll();
+  m_nTotal = 0;
+}
+
+int32_t CLines::Add(const CPVT_LineInfo& lineinfo) {
+  if (m_nTotal >= GetSize()) {
+    CLine* pLine = new CLine;
+    pLine->m_LineInfo = lineinfo;
+    m_Lines.Add(pLine);
+  } else if (CLine* pLine = GetAt(m_nTotal)) {
+    pLine->m_LineInfo = lineinfo;
+  }
+  return m_nTotal++;
+}
+
+void CLines::Clear() {
+  for (int32_t i = GetSize() - 1; i >= m_nTotal; i--) {
+    delete GetAt(i);
+    m_Lines.RemoveAt(i);
+  }
+}