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
CXFA_Value(CXFA_Document * doc,XFA_PacketType packet)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
~CXFA_Value()58 CXFA_Value::~CXFA_Value() {}
59
GetChildValueClassID() const60 XFA_Element CXFA_Value::GetChildValueClassID() const {
61 CXFA_Node* pNode = GetFirstChild();
62 return pNode ? pNode->GetElementType() : XFA_Element::Unknown;
63 }
64
GetChildValueContent() const65 WideString CXFA_Value::GetChildValueContent() const {
66 CXFA_Node* pNode = GetFirstChild();
67 return pNode ? pNode->JSObject()->TryContent(false, true).value_or(L"") : L"";
68 }
69
GetArcIfExists() const70 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
GetLineIfExists() const76 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
GetRectangleIfExists() const82 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
GetTextIfExists() const88 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
GetExDataIfExists() const94 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
GetImageIfExists() const100 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