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 "fxjs/xfa/cjx_list.h"
8
9 #include <vector>
10
11 #include "fxjs/js_resources.h"
12 #include "fxjs/xfa/cfxjse_class.h"
13 #include "fxjs/xfa/cfxjse_engine.h"
14 #include "fxjs/xfa/cfxjse_value.h"
15 #include "third_party/base/numerics/safe_conversions.h"
16 #include "xfa/fxfa/parser/cxfa_document.h"
17 #include "xfa/fxfa/parser/cxfa_list.h"
18 #include "xfa/fxfa/parser/cxfa_node.h"
19
20 const CJX_MethodSpec CJX_List::MethodSpecs[] = {{"append", append_static},
21 {"insert", insert_static},
22 {"item", item_static},
23 {"remove", remove_static}};
24
CJX_List(CXFA_List * list)25 CJX_List::CJX_List(CXFA_List* list) : CJX_Object(list) {
26 DefineMethods(MethodSpecs);
27 }
28
~CJX_List()29 CJX_List::~CJX_List() {}
30
DynamicTypeIs(TypeTag eType) const31 bool CJX_List::DynamicTypeIs(TypeTag eType) const {
32 return eType == static_type__ || ParentType__::DynamicTypeIs(eType);
33 }
34
GetXFAList()35 CXFA_List* CJX_List::GetXFAList() {
36 return ToList(GetXFAObject());
37 }
38
append(CFX_V8 * runtime,const std::vector<v8::Local<v8::Value>> & params)39 CJS_Result CJX_List::append(CFX_V8* runtime,
40 const std::vector<v8::Local<v8::Value>>& params) {
41 if (params.size() != 1)
42 return CJS_Result::Failure(JSMessage::kParamError);
43
44 auto* pNode =
45 ToNode(static_cast<CFXJSE_Engine*>(runtime)->ToXFAObject(params[0]));
46 if (!pNode)
47 return CJS_Result::Failure(JSMessage::kValueError);
48
49 GetXFAList()->Append(pNode);
50 return CJS_Result::Success();
51 }
52
insert(CFX_V8 * runtime,const std::vector<v8::Local<v8::Value>> & params)53 CJS_Result CJX_List::insert(CFX_V8* runtime,
54 const std::vector<v8::Local<v8::Value>>& params) {
55 if (params.size() != 2)
56 return CJS_Result::Failure(JSMessage::kParamError);
57
58 auto* pNewNode =
59 ToNode(static_cast<CFXJSE_Engine*>(runtime)->ToXFAObject(params[0]));
60 if (!pNewNode)
61 return CJS_Result::Failure(JSMessage::kValueError);
62
63 auto* pBeforeNode =
64 ToNode(static_cast<CFXJSE_Engine*>(runtime)->ToXFAObject(params[1]));
65 if (!GetXFAList()->Insert(pNewNode, pBeforeNode))
66 return CJS_Result::Failure(JSMessage::kValueError);
67
68 return CJS_Result::Success();
69 }
70
remove(CFX_V8 * runtime,const std::vector<v8::Local<v8::Value>> & params)71 CJS_Result CJX_List::remove(CFX_V8* runtime,
72 const std::vector<v8::Local<v8::Value>>& params) {
73 if (params.size() != 1)
74 return CJS_Result::Failure(JSMessage::kParamError);
75
76 auto* pNode =
77 ToNode(static_cast<CFXJSE_Engine*>(runtime)->ToXFAObject(params[0]));
78 if (!pNode)
79 return CJS_Result::Failure(JSMessage::kValueError);
80
81 GetXFAList()->Remove(pNode);
82 return CJS_Result::Success();
83 }
84
item(CFX_V8 * runtime,const std::vector<v8::Local<v8::Value>> & params)85 CJS_Result CJX_List::item(CFX_V8* runtime,
86 const std::vector<v8::Local<v8::Value>>& params) {
87 if (params.size() != 1)
88 return CJS_Result::Failure(JSMessage::kParamError);
89
90 int32_t index = runtime->ToInt32(params[0]);
91 size_t cast_index = static_cast<size_t>(index);
92 if (index < 0 || cast_index >= GetXFAList()->GetLength())
93 return CJS_Result::Failure(JSMessage::kInvalidInputError);
94
95 return CJS_Result::Success(static_cast<CFXJSE_Engine*>(runtime)->NewXFAObject(
96 GetXFAList()->Item(cast_index),
97 GetDocument()->GetScriptContext()->GetJseNormalClass()->GetTemplate()));
98 }
99
length(CFXJSE_Value * pValue,bool bSetting,XFA_Attribute eAttribute)100 void CJX_List::length(CFXJSE_Value* pValue,
101 bool bSetting,
102 XFA_Attribute eAttribute) {
103 if (bSetting) {
104 ThrowInvalidPropertyException();
105 return;
106 }
107 pValue->SetInteger(
108 pdfium::base::checked_cast<int32_t>(GetXFAList()->GetLength()));
109 }
110