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 std::optional<int32_t> max = JSObject()->TryInteger(XFA_Attribute::Max, true);
45 return max.has_value() ? max.value() : GetMin();
46 }
47
GetMin()48 int32_t CXFA_Occur::GetMin() {
49 std::optional<int32_t> min = JSObject()->TryInteger(XFA_Attribute::Min, true);
50 return min.has_value() && min.value() >= 0 ? min.value() : 1;
51 }
52
GetOccurInfo()53 std::tuple<int32_t, int32_t, int32_t> CXFA_Occur::GetOccurInfo() {
54 int32_t iMin = GetMin();
55 int32_t iMax = GetMax();
56
57 std::optional<int32_t> init =
58 JSObject()->TryInteger(XFA_Attribute::Initial, false);
59 return {iMin, iMax,
60 init.has_value() && init.value() >= iMin ? init.value() : iMin};
61 }
62
SetMax(int32_t iMax)63 void CXFA_Occur::SetMax(int32_t iMax) {
64 iMax = (iMax != -1 && iMax < 1) ? 1 : iMax;
65 JSObject()->SetInteger(XFA_Attribute::Max, iMax, false);
66
67 int32_t iMin = GetMin();
68 if (iMax != -1 && iMax < iMin) {
69 iMin = iMax;
70 JSObject()->SetInteger(XFA_Attribute::Min, iMin, false);
71 }
72 }
73
SetMin(int32_t iMin)74 void CXFA_Occur::SetMin(int32_t iMin) {
75 iMin = (iMin < 0) ? 1 : iMin;
76 JSObject()->SetInteger(XFA_Attribute::Min, iMin, false);
77
78 int32_t iMax = GetMax();
79 if (iMax > 0 && iMax < iMin) {
80 iMax = iMin;
81 JSObject()->SetInteger(XFA_Attribute::Max, iMax, false);
82 }
83 }
84