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_occur.h"
8
9 #include "fxjs/xfa/cjx_occur.h"
10 #include "third_party/base/ptr_util.h"
11
12 namespace {
13
14 const CXFA_Node::PropertyData kOccurPropertyData[] = {
15 {XFA_Element::Extras, 1, 0},
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_Template | XFA_XDPPACKET_Form),
33 XFA_ObjectType::Node,
34 XFA_Element::Occur,
35 kOccurPropertyData,
36 kOccurAttributeData,
37 pdfium::MakeUnique<CJX_Occur>(this)) {}
38
39 CXFA_Occur::~CXFA_Occur() = default;
40
GetMax()41 int32_t CXFA_Occur::GetMax() {
42 Optional<int32_t> max = JSObject()->TryInteger(XFA_Attribute::Max, true);
43 return max ? *max : GetMin();
44 }
45
GetMin()46 int32_t CXFA_Occur::GetMin() {
47 Optional<int32_t> min = JSObject()->TryInteger(XFA_Attribute::Min, true);
48 return min && *min >= 0 ? *min : 1;
49 }
50
GetOccurInfo()51 std::tuple<int32_t, int32_t, int32_t> CXFA_Occur::GetOccurInfo() {
52 int32_t iMin = GetMin();
53 int32_t iMax = GetMax();
54
55 Optional<int32_t> init =
56 JSObject()->TryInteger(XFA_Attribute::Initial, false);
57 return {iMin, iMax, init && *init >= iMin ? *init : iMin};
58 }
59
SetMax(int32_t iMax)60 void CXFA_Occur::SetMax(int32_t iMax) {
61 iMax = (iMax != -1 && iMax < 1) ? 1 : iMax;
62 JSObject()->SetInteger(XFA_Attribute::Max, iMax, false);
63
64 int32_t iMin = GetMin();
65 if (iMax != -1 && iMax < iMin) {
66 iMin = iMax;
67 JSObject()->SetInteger(XFA_Attribute::Min, iMin, false);
68 }
69 }
70
SetMin(int32_t iMin)71 void CXFA_Occur::SetMin(int32_t iMin) {
72 iMin = (iMin < 0) ? 1 : iMin;
73 JSObject()->SetInteger(XFA_Attribute::Min, iMin, false);
74
75 int32_t iMax = GetMax();
76 if (iMax > 0 && iMax < iMin) {
77 iMax = iMin;
78 JSObject()->SetInteger(XFA_Attribute::Max, iMax, false);
79 }
80 }
81