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 kPropertyData[] = {{XFA_Element::Extras, 1, 0},
15 {XFA_Element::Unknown, 0, 0}};
16 const CXFA_Node::AttributeData kAttributeData[] = {
17 {XFA_Attribute::Id, XFA_AttributeType::CData, nullptr},
18 {XFA_Attribute::Max, XFA_AttributeType::Integer, (void*)1},
19 {XFA_Attribute::Min, XFA_AttributeType::Integer, (void*)1},
20 {XFA_Attribute::Use, XFA_AttributeType::CData, nullptr},
21 {XFA_Attribute::Initial, XFA_AttributeType::Integer, (void*)1},
22 {XFA_Attribute::Usehref, XFA_AttributeType::CData, nullptr},
23 {XFA_Attribute::Unknown, XFA_AttributeType::Integer, nullptr}};
24
25 constexpr wchar_t kName[] = L"occur";
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 kPropertyData,
36 kAttributeData,
37 kName,
38 pdfium::MakeUnique<CJX_Occur>(this)) {}
39
~CXFA_Occur()40 CXFA_Occur::~CXFA_Occur() {}
41
GetMax()42 int32_t CXFA_Occur::GetMax() {
43 Optional<int32_t> max = JSObject()->TryInteger(XFA_Attribute::Max, true);
44 return max ? *max : GetMin();
45 }
46
GetMin()47 int32_t CXFA_Occur::GetMin() {
48 Optional<int32_t> min = JSObject()->TryInteger(XFA_Attribute::Min, true);
49 return min && *min >= 0 ? *min : 1;
50 }
51
GetOccurInfo()52 std::tuple<int32_t, int32_t, int32_t> CXFA_Occur::GetOccurInfo() {
53 int32_t iMin = GetMin();
54 int32_t iMax = GetMax();
55
56 Optional<int32_t> init =
57 JSObject()->TryInteger(XFA_Attribute::Initial, false);
58 return {iMin, iMax, init && *init >= iMin ? *init : iMin};
59 }
60
SetMax(int32_t iMax)61 void CXFA_Occur::SetMax(int32_t iMax) {
62 iMax = (iMax != -1 && iMax < 1) ? 1 : iMax;
63 JSObject()->SetInteger(XFA_Attribute::Max, iMax, false);
64
65 int32_t iMin = GetMin();
66 if (iMax != -1 && iMax < iMin) {
67 iMin = iMax;
68 JSObject()->SetInteger(XFA_Attribute::Min, iMin, false);
69 }
70 }
71
SetMin(int32_t iMin)72 void CXFA_Occur::SetMin(int32_t iMin) {
73 iMin = (iMin < 0) ? 1 : iMin;
74 JSObject()->SetInteger(XFA_Attribute::Min, iMin, false);
75
76 int32_t iMax = GetMax();
77 if (iMax > 0 && iMax < iMin) {
78 iMax = iMin;
79 JSObject()->SetInteger(XFA_Attribute::Max, iMax, false);
80 }
81 }
82