1 files changed, 67 insertions, 0 deletions
diff --git a/xfa/fxfa/parser/cxfa_occur.cpp b/xfa/fxfa/parser/cxfa_occur.cpp
new file mode 100644
index 0000000000..6d105abec6
--- /dev/null
+++ b/xfa/fxfa/parser/cxfa_occur.cpp
@@ -0,0 +1,67 @@
+// 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 "xfa/fxfa/parser/cxfa_occur.h"
+
+#include "xfa/fxfa/parser/xfa_object.h"
+
+CXFA_Occur::CXFA_Occur(CXFA_Node* pNode) : CXFA_Data(pNode) {}
+
+int32_t CXFA_Occur::GetMax() {
+  int32_t iMax = 1;
+  if (m_pNode) {
+    if (!m_pNode->TryInteger(XFA_ATTRIBUTE_Max, iMax, TRUE))
+      iMax = GetMin();
+  }
+  return iMax;
+}
+
+int32_t CXFA_Occur::GetMin() {
+  int32_t iMin = 1;
+  if (m_pNode) {
+    if (!m_pNode->TryInteger(XFA_ATTRIBUTE_Min, iMin, TRUE) || iMin < 0)
+      iMin = 1;
+  }
+  return iMin;
+}
+
+FX_BOOL CXFA_Occur::GetOccurInfo(int32_t& iMin, int32_t& iMax, int32_t& iInit) {
+  if (!m_pNode)
+    return FALSE;
+  if (!m_pNode->TryInteger(XFA_ATTRIBUTE_Min, iMin, FALSE) || iMin < 0)
+    iMin = 1;
+  if (!m_pNode->TryInteger(XFA_ATTRIBUTE_Max, iMax, FALSE)) {
+    if (iMin == 0)
+      iMax = 1;
+    else
+      iMax = iMin;
+  }
+  if (!m_pNode->TryInteger(XFA_ATTRIBUTE_Initial, iInit, FALSE) ||
+      iInit < iMin) {
+    iInit = iMin;
+  }
+  return TRUE;
+}
+
+void CXFA_Occur::SetMax(int32_t iMax) {
+  iMax = (iMax != -1 && iMax < 1) ? 1 : iMax;
+  m_pNode->SetInteger(XFA_ATTRIBUTE_Max, iMax, FALSE);
+  int32_t iMin = GetMin();
+  if (iMax != -1 && iMax < iMin) {
+    iMin = iMax;
+    m_pNode->SetInteger(XFA_ATTRIBUTE_Min, iMin, FALSE);
+  }
+}
+
+void CXFA_Occur::SetMin(int32_t iMin) {
+  iMin = (iMin < 0) ? 1 : iMin;
+  m_pNode->SetInteger(XFA_ATTRIBUTE_Min, iMin, FALSE);
+  int32_t iMax = GetMax();
+  if (iMax > 0 && iMax < iMin) {
+    iMax = iMin;
+    m_pNode->SetInteger(XFA_ATTRIBUTE_Max, iMax, FALSE);
+  }
+}