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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 "core/fpdfdoc/cpdf_actionfields.h"
#include "core/fpdfapi/fpdf_parser/cpdf_array.h"
#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h"
#include "core/fpdfdoc/cpdf_action.h"
size_t CPDF_ActionFields::GetFieldsCount() const {
if (!m_pAction)
return 0;
CPDF_Dictionary* pDict = m_pAction->GetDict();
if (!pDict)
return 0;
CFX_ByteString csType = pDict->GetStringFor("S");
CPDF_Object* pFields = nullptr;
if (csType == "Hide")
pFields = pDict->GetDirectObjectFor("T");
else
pFields = pDict->GetArrayFor("Fields");
if (!pFields)
return 0;
if (pFields->IsDictionary())
return 1;
if (pFields->IsString())
return 1;
if (CPDF_Array* pArray = pFields->AsArray())
return pArray->GetCount();
return 0;
}
std::vector<CPDF_Object*> CPDF_ActionFields::GetAllFields() const {
std::vector<CPDF_Object*> fields;
if (!m_pAction)
return fields;
CPDF_Dictionary* pDict = m_pAction->GetDict();
if (!pDict)
return fields;
CFX_ByteString csType = pDict->GetStringFor("S");
CPDF_Object* pFields;
if (csType == "Hide")
pFields = pDict->GetDirectObjectFor("T");
else
pFields = pDict->GetArrayFor("Fields");
if (!pFields)
return fields;
if (pFields->IsDictionary() || pFields->IsString()) {
fields.push_back(pFields);
} else if (CPDF_Array* pArray = pFields->AsArray()) {
for (size_t i = 0; i < pArray->GetCount(); ++i) {
CPDF_Object* pObj = pArray->GetDirectObjectAt(i);
if (pObj)
fields.push_back(pObj);
}
}
return fields;
}
CPDF_Object* CPDF_ActionFields::GetField(size_t iIndex) const {
if (!m_pAction)
return nullptr;
CPDF_Dictionary* pDict = m_pAction->GetDict();
if (!pDict)
return nullptr;
CFX_ByteString csType = pDict->GetStringFor("S");
CPDF_Object* pFields = nullptr;
if (csType == "Hide")
pFields = pDict->GetDirectObjectFor("T");
else
pFields = pDict->GetArrayFor("Fields");
if (!pFields)
return nullptr;
CPDF_Object* pFindObj = nullptr;
if (pFields->IsDictionary() || pFields->IsString()) {
if (iIndex == 0)
pFindObj = pFields;
} else if (CPDF_Array* pArray = pFields->AsArray()) {
pFindObj = pArray->GetDirectObjectAt(iIndex);
}
return pFindObj;
}
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