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// 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;
}
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);
}
}
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