text: // Copyright 2017 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_value.h"
  
  #include "fxjs/xfa/cjx_node.h"
  #include "fxjs/xfa/cjx_object.h"
  #include "xfa/fxfa/parser/cxfa_arc.h"
  #include "xfa/fxfa/parser/cxfa_document.h"
  #include "xfa/fxfa/parser/cxfa_exdata.h"
  #include "xfa/fxfa/parser/cxfa_image.h"
  #include "xfa/fxfa/parser/cxfa_line.h"
  #include "xfa/fxfa/parser/cxfa_rectangle.h"
  
  namespace {
  
  const CXFA_Node::PropertyData kValuePropertyData[] = {
      {XFA_Element::Arc, 1, XFA_PropertyFlag_OneOf},
      {XFA_Element::Text, 1, XFA_PropertyFlag_OneOf},
      {XFA_Element::Time, 1, XFA_PropertyFlag_OneOf},
      {XFA_Element::DateTime, 1, XFA_PropertyFlag_OneOf},
      {XFA_Element::Image, 1, XFA_PropertyFlag_OneOf},
      {XFA_Element::Decimal, 1, XFA_PropertyFlag_OneOf},
      {XFA_Element::Boolean, 1, XFA_PropertyFlag_OneOf},
      {XFA_Element::Integer, 1, XFA_PropertyFlag_OneOf},
      {XFA_Element::ExData, 1, XFA_PropertyFlag_OneOf},
      {XFA_Element::Rectangle, 1, XFA_PropertyFlag_OneOf},
      {XFA_Element::Date, 1, XFA_PropertyFlag_OneOf},
      {XFA_Element::Float, 1, XFA_PropertyFlag_OneOf},
      {XFA_Element::Line, 1, XFA_PropertyFlag_OneOf},
  };
  
  const CXFA_Node::AttributeData kValueAttributeData[] = {
      {XFA_Attribute::Id, XFA_AttributeType::CData, nullptr},
      {XFA_Attribute::Use, XFA_AttributeType::CData, nullptr},
      {XFA_Attribute::Relevant, XFA_AttributeType::CData, nullptr},
      {XFA_Attribute::Usehref, XFA_AttributeType::CData, nullptr},
      {XFA_Attribute::Override, XFA_AttributeType::Boolean, (void*)0},
  };
  
  }  // namespace
  
  CXFA_Value::CXFA_Value(CXFA_Document* doc, XFA_PacketType packet)
      : CXFA_Node(doc,
                  packet,
                  (XFA_XDPPACKET_Template | XFA_XDPPACKET_Form),
                  XFA_ObjectType::Node,
                  XFA_Element::Value,
                  kValuePropertyData,
                  kValueAttributeData,
                  cppgc::MakeGarbageCollected<CJX_Node>(
                      doc->GetHeap()->GetAllocationHandle(),
                      this)) {}
  
  CXFA_Value::~CXFA_Value() = default;
  
  XFA_Element CXFA_Value::GetChildValueClassID() const {
    CXFA_Node* pNode = GetFirstChild();
    return pNode ? pNode->GetElementType() : XFA_Element::Unknown;
  }
  
  WideString CXFA_Value::GetChildValueContent() const {
    CXFA_Node* pNode = GetFirstChild();
    return pNode
               ? pNode->JSObject()->TryContent(false, true).value_or(WideString())
               : WideString();
  }
  
  CXFA_Arc* CXFA_Value::GetArcIfExists() const {
    CXFA_Node* node = GetFirstChild();
    if (!node || node->GetElementType() != XFA_Element::Arc)
      return nullptr;
    return static_cast<CXFA_Arc*>(node);
  }
  
  CXFA_Line* CXFA_Value::GetLineIfExists() const {
    CXFA_Node* node = GetFirstChild();
    if (!node || node->GetElementType() != XFA_Element::Line)
      return nullptr;
    return static_cast<CXFA_Line*>(node);
  }
  
  CXFA_Rectangle* CXFA_Value::GetRectangleIfExists() const {
    CXFA_Node* node = GetFirstChild();
    if (!node || node->GetElementType() != XFA_Element::Rectangle)
      return nullptr;
    return static_cast<CXFA_Rectangle*>(node);
  }
  
  CXFA_Text* CXFA_Value::GetTextIfExists() const {
    CXFA_Node* node = GetFirstChild();
    if (!node || node->GetElementType() != XFA_Element::Text)
      return nullptr;
    return static_cast<CXFA_Text*>(node);
  }
  
  CXFA_ExData* CXFA_Value::GetExDataIfExists() const {
    CXFA_Node* node = GetFirstChild();
    if (!node || node->GetElementType() != XFA_Element::ExData)
      return nullptr;
    return static_cast<CXFA_ExData*>(node);
  }
  
  CXFA_Image* CXFA_Value::GetImageIfExists() const {
    CXFA_Node* node = GetFirstChild();
    if (!node || node->GetElementType() != XFA_Element::Image)
      return nullptr;
    return static_cast<CXFA_Image*>(node);
  }
  