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_node.h"
10 #include "fxjs/xfa/cjx_object.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 kValuePropertyData[] = {
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 };
35
36 const CXFA_Node::AttributeData kValueAttributeData[] = {
37 {XFA_Attribute::Id, XFA_AttributeType::CData, nullptr},
38 {XFA_Attribute::Use, XFA_AttributeType::CData, nullptr},
39 {XFA_Attribute::Relevant, XFA_AttributeType::CData, nullptr},
40 {XFA_Attribute::Usehref, XFA_AttributeType::CData, nullptr},
41 {XFA_Attribute::Override, XFA_AttributeType::Boolean, (void*)0},
42 };
43
44 } // namespace
45
CXFA_Value(CXFA_Document * doc,XFA_PacketType packet)46 CXFA_Value::CXFA_Value(CXFA_Document* doc, XFA_PacketType packet)
47 : CXFA_Node(doc,
48 packet,
49 (XFA_XDPPACKET_Template | XFA_XDPPACKET_Form),
50 XFA_ObjectType::Node,
51 XFA_Element::Value,
52 kValuePropertyData,
53 kValueAttributeData,
54 pdfium::MakeUnique<CJX_Node>(this)) {}
55
56 CXFA_Value::~CXFA_Value() = default;
57
GetChildValueClassID() const58 XFA_Element CXFA_Value::GetChildValueClassID() const {
59 CXFA_Node* pNode = GetFirstChild();
60 return pNode ? pNode->GetElementType() : XFA_Element::Unknown;
61 }
62
GetChildValueContent() const63 WideString CXFA_Value::GetChildValueContent() const {
64 CXFA_Node* pNode = GetFirstChild();
65 return pNode
66 ? pNode->JSObject()->TryContent(false, true).value_or(WideString())
67 : WideString();
68 }
69
GetArcIfExists() const70 CXFA_Arc* CXFA_Value::GetArcIfExists() const {
71 CXFA_Node* node = GetFirstChild();
72 if (!node || node->GetElementType() != XFA_Element::Arc)
73 return nullptr;
74 return static_cast<CXFA_Arc*>(node);
75 }
76
GetLineIfExists() const77 CXFA_Line* CXFA_Value::GetLineIfExists() const {
78 CXFA_Node* node = GetFirstChild();
79 if (!node || node->GetElementType() != XFA_Element::Line)
80 return nullptr;
81 return static_cast<CXFA_Line*>(node);
82 }
83
GetRectangleIfExists() const84 CXFA_Rectangle* CXFA_Value::GetRectangleIfExists() const {
85 CXFA_Node* node = GetFirstChild();
86 if (!node || node->GetElementType() != XFA_Element::Rectangle)
87 return nullptr;
88 return static_cast<CXFA_Rectangle*>(node);
89 }
90
GetTextIfExists() const91 CXFA_Text* CXFA_Value::GetTextIfExists() const {
92 CXFA_Node* node = GetFirstChild();
93 if (!node || node->GetElementType() != XFA_Element::Text)
94 return nullptr;
95 return static_cast<CXFA_Text*>(node);
96 }
97
GetExDataIfExists() const98 CXFA_ExData* CXFA_Value::GetExDataIfExists() const {
99 CXFA_Node* node = GetFirstChild();
100 if (!node || node->GetElementType() != XFA_Element::ExData)
101 return nullptr;
102 return static_cast<CXFA_ExData*>(node);
103 }
104
GetImageIfExists() const105 CXFA_Image* CXFA_Value::GetImageIfExists() const {
106 CXFA_Node* node = GetFirstChild();
107 if (!node || node->GetElementType() != XFA_Element::Image)
108 return nullptr;
109 return static_cast<CXFA_Image*>(node);
110 }
111