1 // Copyright 2017 The PDFium Authors
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_occur.h"
8
9 #include "fxjs/xfa/cjx_occur.h"
10 #include "xfa/fxfa/parser/cxfa_document.h"
11
12 namespace {
13
14 const CXFA_Node::PropertyData kOccurPropertyData[] = {
15 {XFA_Element::Extras, 1, {}},
16 };
17
18 const CXFA_Node::AttributeData kOccurAttributeData[] = {
19 {XFA_Attribute::Id, XFA_AttributeType::CData, nullptr},
20 {XFA_Attribute::Max, XFA_AttributeType::Integer, (void*)1},
21 {XFA_Attribute::Min, XFA_AttributeType::Integer, (void*)1},
22 {XFA_Attribute::Use, XFA_AttributeType::CData, nullptr},
23 {XFA_Attribute::Initial, XFA_AttributeType::Integer, (void*)1},
24 {XFA_Attribute::Usehref, XFA_AttributeType::CData, nullptr},
25 };
26
27 } // namespace
28
CXFA_Occur(CXFA_Document * doc,XFA_PacketType packet)29 CXFA_Occur::CXFA_Occur(CXFA_Document* doc, XFA_PacketType packet)
30 : CXFA_Node(doc,
31 packet,
32 {XFA_XDPPACKET::kTemplate, XFA_XDPPACKET::kForm},
33 XFA_ObjectType::Node,
34 XFA_Element::Occur,
35 kOccurPropertyData,
36 kOccurAttributeData,
37 cppgc::MakeGarbageCollected<CJX_Occur>(
38 doc->GetHeap()->GetAllocationHandle(),
39 this)) {}
40
41 CXFA_Occur::~CXFA_Occur() = default;
42
GetMax()43 int32_t CXFA_Occur::GetMax() {
44 absl::optional<int32_t> max =
45 JSObject()->TryInteger(XFA_Attribute::Max, true);
46 return max.has_value() ? max.value() : GetMin();
47 }
48
GetMin()49 int32_t CXFA_Occur::GetMin() {
50 absl::optional<int32_t> min =
51 JSObject()->TryInteger(XFA_Attribute::Min, true);
52 return min.has_value() && min.value() >= 0 ? min.value() : 1;
53 }
54
GetOccurInfo()55 std::tuple<int32_t, int32_t, int32_t> CXFA_Occur::GetOccurInfo() {
56 int32_t iMin = GetMin();
57 int32_t iMax = GetMax();
58
59 absl::optional<int32_t> init =
60 JSObject()->TryInteger(XFA_Attribute::Initial, false);
61 return {iMin, iMax,
62 init.has_value() && init.value() >= iMin ? init.value() : iMin};
63 }
64
SetMax(int32_t iMax)65 void CXFA_Occur::SetMax(int32_t iMax) {
66 iMax = (iMax != -1 && iMax < 1) ? 1 : iMax;
67 JSObject()->SetInteger(XFA_Attribute::Max, iMax, false);
68
69 int32_t iMin = GetMin();
70 if (iMax != -1 && iMax < iMin) {
71 iMin = iMax;
72 JSObject()->SetInteger(XFA_Attribute::Min, iMin, false);
73 }
74 }
75
SetMin(int32_t iMin)76 void CXFA_Occur::SetMin(int32_t iMin) {
77 iMin = (iMin < 0) ? 1 : iMin;
78 JSObject()->SetInteger(XFA_Attribute::Min, iMin, false);
79
80 int32_t iMax = GetMax();
81 if (iMax > 0 && iMax < iMin) {
82 iMax = iMin;
83 JSObject()->SetInteger(XFA_Attribute::Max, iMax, false);
84 }
85 }
86