1 // Copyright 2017 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "xfa/fxfa/parser/cxfa_value.h" 8 9 #include "fxjs/xfa/cjx_object.h" 10 #include "fxjs/xfa/cjx_value.h" 11 #include "third_party/base/ptr_util.h" 12 #include "xfa/fxfa/parser/cxfa_arc.h" 13 #include "xfa/fxfa/parser/cxfa_exdata.h" 14 #include "xfa/fxfa/parser/cxfa_image.h" 15 #include "xfa/fxfa/parser/cxfa_line.h" 16 #include "xfa/fxfa/parser/cxfa_rectangle.h" 17 18 namespace { 19 20 const CXFA_Node::PropertyData kPropertyData[] = { 21 {XFA_Element::Arc, 1, XFA_PROPERTYFLAG_OneOf}, 22 {XFA_Element::Text, 1, XFA_PROPERTYFLAG_OneOf}, 23 {XFA_Element::Time, 1, XFA_PROPERTYFLAG_OneOf}, 24 {XFA_Element::DateTime, 1, XFA_PROPERTYFLAG_OneOf}, 25 {XFA_Element::Image, 1, XFA_PROPERTYFLAG_OneOf}, 26 {XFA_Element::Decimal, 1, XFA_PROPERTYFLAG_OneOf}, 27 {XFA_Element::Boolean, 1, XFA_PROPERTYFLAG_OneOf}, 28 {XFA_Element::Integer, 1, XFA_PROPERTYFLAG_OneOf}, 29 {XFA_Element::ExData, 1, XFA_PROPERTYFLAG_OneOf}, 30 {XFA_Element::Rectangle, 1, XFA_PROPERTYFLAG_OneOf}, 31 {XFA_Element::Date, 1, XFA_PROPERTYFLAG_OneOf}, 32 {XFA_Element::Float, 1, XFA_PROPERTYFLAG_OneOf}, 33 {XFA_Element::Line, 1, XFA_PROPERTYFLAG_OneOf}, 34 {XFA_Element::Unknown, 0, 0}}; 35 const CXFA_Node::AttributeData kAttributeData[] = { 36 {XFA_Attribute::Id, XFA_AttributeType::CData, nullptr}, 37 {XFA_Attribute::Use, XFA_AttributeType::CData, nullptr}, 38 {XFA_Attribute::Relevant, XFA_AttributeType::CData, nullptr}, 39 {XFA_Attribute::Usehref, XFA_AttributeType::CData, nullptr}, 40 {XFA_Attribute::Override, XFA_AttributeType::Boolean, (void*)0}, 41 {XFA_Attribute::Unknown, XFA_AttributeType::Integer, nullptr}}; 42 43 constexpr wchar_t kName[] = L"value"; 44 45 } // namespace 46 47 CXFA_Value::CXFA_Value(CXFA_Document* doc, XFA_PacketType packet) 48 : CXFA_Node(doc, 49 packet, 50 (XFA_XDPPACKET_Template | XFA_XDPPACKET_Form), 51 XFA_ObjectType::Node, 52 XFA_Element::Value, 53 kPropertyData, 54 kAttributeData, 55 kName, 56 pdfium::MakeUnique<CJX_Value>(this)) {} 57 58 CXFA_Value::~CXFA_Value() {} 59 60 XFA_Element CXFA_Value::GetChildValueClassID() const { 61 CXFA_Node* pNode = GetFirstChild(); 62 return pNode ? pNode->GetElementType() : XFA_Element::Unknown; 63 } 64 65 WideString CXFA_Value::GetChildValueContent() const { 66 CXFA_Node* pNode = GetFirstChild(); 67 return pNode ? pNode->JSObject()->TryContent(false, true).value_or(L"") : L""; 68 } 69 70 CXFA_Arc* CXFA_Value::GetArcIfExists() const { 71 CXFA_Node* node = GetFirstChild(); 72 ASSERT(!node || node->GetElementType() == XFA_Element::Arc); 73 return static_cast<CXFA_Arc*>(node); 74 } 75 76 CXFA_Line* CXFA_Value::GetLineIfExists() const { 77 CXFA_Node* node = GetFirstChild(); 78 ASSERT(!node || node->GetElementType() == XFA_Element::Line); 79 return static_cast<CXFA_Line*>(node); 80 } 81 82 CXFA_Rectangle* CXFA_Value::GetRectangleIfExists() const { 83 CXFA_Node* node = GetFirstChild(); 84 ASSERT(!node || node->GetElementType() == XFA_Element::Rectangle); 85 return static_cast<CXFA_Rectangle*>(node); 86 } 87 88 CXFA_Text* CXFA_Value::GetTextIfExists() const { 89 CXFA_Node* node = GetFirstChild(); 90 ASSERT(!node || node->GetElementType() == XFA_Element::Text); 91 return static_cast<CXFA_Text*>(node); 92 } 93 94 CXFA_ExData* CXFA_Value::GetExDataIfExists() const { 95 CXFA_Node* node = GetFirstChild(); 96 ASSERT(!node || node->GetElementType() == XFA_Element::ExData); 97 return static_cast<CXFA_ExData*>(node); 98 } 99 100 CXFA_Image* CXFA_Value::GetImageIfExists() const { 101 CXFA_Node* node = GetFirstChild(); 102 ASSERT(!node || node->GetElementType() == XFA_Element::Image); 103 return static_cast<CXFA_Image*>(node); 104 } 105
