1 files changed, 71 insertions, 0 deletions
diff --git a/xfa/fxfa/parser/cxfa_occurdata.cpp b/xfa/fxfa/parser/cxfa_occurdata.cpp
new file mode 100644
index 0000000000..3bbe00cd35
--- /dev/null
+++ b/xfa/fxfa/parser/cxfa_occurdata.cpp
@@ -0,0 +1,71 @@
+// 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_occurdata.h"
+
+#include "xfa/fxfa/parser/cxfa_node.h"
+
+CXFA_OccurData::CXFA_OccurData(CXFA_Node* pNode) : CXFA_Data(pNode) {}
+
+int32_t CXFA_OccurData::GetMax() {
+  int32_t iMax = 1;
+  if (m_pNode) {
+    if (!m_pNode->JSNode()->TryInteger(XFA_ATTRIBUTE_Max, iMax, true))
+      iMax = GetMin();
+  }
+  return iMax;
+}
+
+int32_t CXFA_OccurData::GetMin() {
+  int32_t iMin = 1;
+  if (m_pNode) {
+    if (!m_pNode->JSNode()->TryInteger(XFA_ATTRIBUTE_Min, iMin, true) ||
+        iMin < 0)
+      iMin = 1;
+  }
+  return iMin;
+}
+
+bool CXFA_OccurData::GetOccurInfo(int32_t& iMin,
+                                  int32_t& iMax,
+                                  int32_t& iInit) {
+  if (!m_pNode)
+    return false;
+  if (!m_pNode->JSNode()->TryInteger(XFA_ATTRIBUTE_Min, iMin, false) ||
+      iMin < 0)
+    iMin = 1;
+  if (!m_pNode->JSNode()->TryInteger(XFA_ATTRIBUTE_Max, iMax, false)) {
+    if (iMin == 0)
+      iMax = 1;
+    else
+      iMax = iMin;
+  }
+  if (!m_pNode->JSNode()->TryInteger(XFA_ATTRIBUTE_Initial, iInit, false) ||
+      iInit < iMin) {
+    iInit = iMin;
+  }
+  return true;
+}
+
+void CXFA_OccurData::SetMax(int32_t iMax) {
+  iMax = (iMax != -1 && iMax < 1) ? 1 : iMax;
+  m_pNode->JSNode()->SetInteger(XFA_ATTRIBUTE_Max, iMax, false);
+  int32_t iMin = GetMin();
+  if (iMax != -1 && iMax < iMin) {
+    iMin = iMax;
+    m_pNode->JSNode()->SetInteger(XFA_ATTRIBUTE_Min, iMin, false);
+  }
+}
+
+void CXFA_OccurData::SetMin(int32_t iMin) {
+  iMin = (iMin < 0) ? 1 : iMin;
+  m_pNode->JSNode()->SetInteger(XFA_ATTRIBUTE_Min, iMin, false);
+  int32_t iMax = GetMax();
+  if (iMax > 0 && iMax < iMin) {
+    iMax = iMin;
+    m_pNode->JSNode()->SetInteger(XFA_ATTRIBUTE_Max, iMax, false);
+  }
+}