1 // Copyright 2016 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/xfa_object.h"
8 
9 #include <memory>
10 
11 #include "core/fxcrt/fx_ext.h"
12 #include "xfa/fxfa/parser/cxfa_document.h"
13 #include "xfa/fxfa/parser/cxfa_scriptcontext.h"
14 
CXFA_NodeList(CXFA_Document * pDocument)15 CXFA_NodeList::CXFA_NodeList(CXFA_Document* pDocument)
16     : CXFA_Object(pDocument,
17                   XFA_ObjectType::NodeList,
18                   XFA_Element::NodeList,
19                   CFX_WideStringC(L"nodeList")) {
20   m_pDocument->GetScriptContext()->AddToCacheList(
21       std::unique_ptr<CXFA_NodeList>(this));
22 }
23 
~CXFA_NodeList()24 CXFA_NodeList::~CXFA_NodeList() {}
25 
NamedItem(const CFX_WideStringC & wsName)26 CXFA_Node* CXFA_NodeList::NamedItem(const CFX_WideStringC& wsName) {
27   uint32_t dwHashCode = FX_HashCode_GetW(wsName, false);
28   int32_t iCount = GetLength();
29   for (int32_t i = 0; i < iCount; i++) {
30     CXFA_Node* ret = Item(i);
31     if (dwHashCode == ret->GetNameHash())
32       return ret;
33   }
34   return nullptr;
35 }
36 
Script_ListClass_Append(CFXJSE_Arguments * pArguments)37 void CXFA_NodeList::Script_ListClass_Append(CFXJSE_Arguments* pArguments) {
38   int32_t argc = pArguments->GetLength();
39   if (argc != 1) {
40     ThrowParamCountMismatchException(L"append");
41     return;
42   }
43 
44   CXFA_Node* pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
45   if (!pNode) {
46     ThrowArgumentMismatchException();
47     return;
48   }
49   Append(pNode);
50 }
51 
Script_ListClass_Insert(CFXJSE_Arguments * pArguments)52 void CXFA_NodeList::Script_ListClass_Insert(CFXJSE_Arguments* pArguments) {
53   int32_t argc = pArguments->GetLength();
54   if (argc != 2) {
55     ThrowParamCountMismatchException(L"insert");
56     return;
57   }
58 
59   CXFA_Node* pNewNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
60   CXFA_Node* pBeforeNode = static_cast<CXFA_Node*>(pArguments->GetObject(1));
61   if (!pNewNode) {
62     ThrowArgumentMismatchException();
63     return;
64   }
65   Insert(pNewNode, pBeforeNode);
66 }
67 
Script_ListClass_Remove(CFXJSE_Arguments * pArguments)68 void CXFA_NodeList::Script_ListClass_Remove(CFXJSE_Arguments* pArguments) {
69   int32_t argc = pArguments->GetLength();
70   if (argc != 1) {
71     ThrowParamCountMismatchException(L"remove");
72     return;
73   }
74 
75   CXFA_Node* pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
76   if (!pNode) {
77     ThrowArgumentMismatchException();
78     return;
79   }
80   Remove(pNode);
81 }
82 
Script_ListClass_Item(CFXJSE_Arguments * pArguments)83 void CXFA_NodeList::Script_ListClass_Item(CFXJSE_Arguments* pArguments) {
84   int32_t argc = pArguments->GetLength();
85   if (argc != 1) {
86     ThrowParamCountMismatchException(L"item");
87     return;
88   }
89 
90   int32_t iIndex = pArguments->GetInt32(0);
91   if (iIndex < 0 || iIndex >= GetLength()) {
92     ThrowIndexOutOfBoundsException();
93     return;
94   }
95   pArguments->GetReturnValue()->Assign(
96       m_pDocument->GetScriptContext()->GetJSValueFromMap(Item(iIndex)));
97 }
98 
Script_TreelistClass_NamedItem(CFXJSE_Arguments * pArguments)99 void CXFA_NodeList::Script_TreelistClass_NamedItem(
100     CFXJSE_Arguments* pArguments) {
101   int32_t argc = pArguments->GetLength();
102   if (argc != 1) {
103     ThrowParamCountMismatchException(L"namedItem");
104     return;
105   }
106 
107   CFX_ByteString szName = pArguments->GetUTF8String(0);
108   CXFA_Node* pNode =
109       NamedItem(CFX_WideString::FromUTF8(szName.AsStringC()).AsStringC());
110   if (!pNode)
111     return;
112 
113   pArguments->GetReturnValue()->Assign(
114       m_pDocument->GetScriptContext()->GetJSValueFromMap(pNode));
115 }
116 
Script_ListClass_Length(CFXJSE_Value * pValue,bool bSetting,XFA_ATTRIBUTE eAttribute)117 void CXFA_NodeList::Script_ListClass_Length(CFXJSE_Value* pValue,
118                                             bool bSetting,
119                                             XFA_ATTRIBUTE eAttribute) {
120   if (bSetting) {
121     ThrowInvalidPropertyException();
122     return;
123   }
124   pValue->SetInteger(GetLength());
125 }
126