Move CXFA_NodeList JS to CJX_NodeList

This CL moves the JS from CXFA_NodeList to CJX_NodeList and proxies the
JS calls.

Change-Id: Ic2295ce2140321748bfe5f851e00da32d4332ce0
Reviewed-on: https://pdfium-review.googlesource.com/17312
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

2 files changed, 11 insertions, 70 deletions

diff --git a/xfa/fxfa/parser/cxfa_nodelist.cpp b/xfa/fxfa/parser/cxfa_nodelist.cpp
index 4c5e5435c2..31e3bf6764 100644
--- a/xfa/fxfa/parser/cxfa_nodelist.cpp
+++ b/xfa/fxfa/parser/cxfa_nodelist.cpp
@@ -10,6 +10,7 @@
 
 #include "core/fxcrt/fx_extension.h"
 #include "fxjs/cfxjse_engine.h"
+#include "fxjs/cjx_nodelist.h"
 #include "xfa/fxfa/parser/cxfa_document.h"
 #include "xfa/fxfa/parser/cxfa_node.h"
 
@@ -18,7 +19,7 @@ CXFA_NodeList::CXFA_NodeList(CXFA_Document* pDocument)
                   XFA_ObjectType::NodeList,
                   XFA_Element::NodeList,
                   WideStringView(L"nodeList"),
-                  pdfium::MakeUnique<CJX_Object>(this)) {
+                  pdfium::MakeUnique<CJX_NodeList>(this)) {
   m_pDocument->GetScriptContext()->AddToCacheList(
       std::unique_ptr<CXFA_NodeList>(this));
 }
@@ -37,91 +38,28 @@ CXFA_Node* CXFA_NodeList::NamedItem(const WideStringView& wsName) {
 }
 
 void CXFA_NodeList::Script_ListClass_Append(CFXJSE_Arguments* pArguments) {
-  int32_t argc = pArguments->GetLength();
-  if (argc != 1) {
-    JSObject()->ThrowParamCountMismatchException(L"append");
-    return;
-  }
-
-  CXFA_Node* pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
-  if (!pNode) {
-    JSObject()->ThrowArgumentMismatchException();
-    return;
-  }
-  Append(pNode);
+  JSNodeList()->Script_ListClass_Append(pArguments);
 }
 
 void CXFA_NodeList::Script_ListClass_Insert(CFXJSE_Arguments* pArguments) {
-  int32_t argc = pArguments->GetLength();
-  if (argc != 2) {
-    JSObject()->ThrowParamCountMismatchException(L"insert");
-    return;
-  }
-
-  CXFA_Node* pNewNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
-  CXFA_Node* pBeforeNode = static_cast<CXFA_Node*>(pArguments->GetObject(1));
-  if (!pNewNode) {
-    JSObject()->ThrowArgumentMismatchException();
-    return;
-  }
-  Insert(pNewNode, pBeforeNode);
+  JSNodeList()->Script_ListClass_Insert(pArguments);
 }
 
 void CXFA_NodeList::Script_ListClass_Remove(CFXJSE_Arguments* pArguments) {
-  int32_t argc = pArguments->GetLength();
-  if (argc != 1) {
-    JSObject()->ThrowParamCountMismatchException(L"remove");
-    return;
-  }
-
-  CXFA_Node* pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
-  if (!pNode) {
-    JSObject()->ThrowArgumentMismatchException();
-    return;
-  }
-  Remove(pNode);
+  JSNodeList()->Script_ListClass_Remove(pArguments);
 }
 
 void CXFA_NodeList::Script_ListClass_Item(CFXJSE_Arguments* pArguments) {
-  int32_t argc = pArguments->GetLength();
-  if (argc != 1) {
-    JSObject()->ThrowParamCountMismatchException(L"item");
-    return;
-  }
-
-  int32_t iIndex = pArguments->GetInt32(0);
-  if (iIndex < 0 || iIndex >= GetLength()) {
-    JSObject()->ThrowIndexOutOfBoundsException();
-    return;
-  }
-  pArguments->GetReturnValue()->Assign(
-      m_pDocument->GetScriptContext()->GetJSValueFromMap(Item(iIndex)));
+  JSNodeList()->Script_ListClass_Item(pArguments);
 }
 
 void CXFA_NodeList::Script_TreelistClass_NamedItem(
     CFXJSE_Arguments* pArguments) {
-  int32_t argc = pArguments->GetLength();
-  if (argc != 1) {
-    JSObject()->ThrowParamCountMismatchException(L"namedItem");
-    return;
-  }
-
-  ByteString szName = pArguments->GetUTF8String(0);
-  CXFA_Node* pNode =
-      NamedItem(WideString::FromUTF8(szName.AsStringView()).AsStringView());
-  if (!pNode)
-    return;
-
-  pArguments->GetReturnValue()->Assign(
-      m_pDocument->GetScriptContext()->GetJSValueFromMap(pNode));
+  JSNodeList()->Script_TreelistClass_NamedItem(pArguments);
 }
 
 void CXFA_NodeList::Script_ListClass_Length(CFXJSE_Value* pValue,
                                             bool bSetting,
                                             XFA_ATTRIBUTE eAttribute) {
-  if (bSetting) {
-    JSObject()->ThrowInvalidPropertyException();
-    return;
-  }
-  pValue->SetInteger(GetLength());
+  JSNodeList()->Script_ListClass_Length(pValue, bSetting, eAttribute);
 }
diff --git a/xfa/fxfa/parser/cxfa_nodelist.h b/xfa/fxfa/parser/cxfa_nodelist.h
index 2fccd5d7a5..ec2176e44d 100644
--- a/xfa/fxfa/parser/cxfa_nodelist.h
+++ b/xfa/fxfa/parser/cxfa_nodelist.h
@@ -7,6 +7,7 @@
 #ifndef XFA_FXFA_PARSER_CXFA_NODELIST_H_
 #define XFA_FXFA_PARSER_CXFA_NODELIST_H_
 
+#include "fxjs/cjx_nodelist.h"
 #include "xfa/fxfa/fxfa_basic.h"
 #include "xfa/fxfa/parser/cxfa_object.h"
 
@@ -19,6 +20,8 @@ class CXFA_NodeList : public CXFA_Object {
   explicit CXFA_NodeList(CXFA_Document* pDocument);
   ~CXFA_NodeList() override;
 
+  CJX_NodeList* JSNodeList() { return static_cast<CJX_NodeList*>(JSObject()); }
+
   CXFA_Node* NamedItem(const WideStringView& wsName);
   virtual int32_t GetLength() = 0;
   virtual bool Append(CXFA_Node* pNode) = 0;