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      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_model.h"
      8 
      9 #include <vector>
     10 
     11 #include "fxjs/cfxjse_engine.h"
     12 #include "fxjs/cfxjse_value.h"
     13 #include "fxjs/js_resources.h"
     14 #include "xfa/fxfa/parser/cxfa_delta.h"
     15 #include "xfa/fxfa/parser/cxfa_document.h"
     16 
     17 const CJX_MethodSpec CJX_Model::MethodSpecs[] = {
     18     {"clearErrorList", clearErrorList_static},
     19     {"createNode", createNode_static},
     20     {"isCompatibleNS", isCompatibleNS_static}};
     21 
     22 CJX_Model::CJX_Model(CXFA_Node* node) : CJX_Node(node) {
     23   DefineMethods(MethodSpecs, FX_ArraySize(MethodSpecs));
     24 }
     25 
     26 CJX_Model::~CJX_Model() {}
     27 
     28 CJS_Return CJX_Model::clearErrorList(
     29     CJS_V8* runtime,
     30     const std::vector<v8::Local<v8::Value>>& params) {
     31   return CJS_Return(true);
     32 }
     33 
     34 CJS_Return CJX_Model::createNode(
     35     CJS_V8* runtime,
     36     const std::vector<v8::Local<v8::Value>>& params) {
     37   if (params.empty() || params.size() > 3)
     38     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
     39 
     40   WideString name;
     41   if (params.size() > 1)
     42     name = runtime->ToWideString(params[1]);
     43 
     44   WideString nameSpace;
     45   if (params.size() == 3)
     46     nameSpace = runtime->ToWideString(params[2]);
     47 
     48   WideString tagName = runtime->ToWideString(params[0]);
     49   XFA_Element eType = CXFA_Node::NameToElement(tagName);
     50   CXFA_Node* pNewNode = GetXFANode()->CreateSamePacketNode(eType);
     51   if (!pNewNode)
     52     return CJS_Return(runtime->NewNull());
     53 
     54   if (!name.IsEmpty()) {
     55     if (!pNewNode->HasAttribute(XFA_Attribute::Name))
     56       return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
     57 
     58     pNewNode->JSObject()->SetAttribute(XFA_Attribute::Name, name.AsStringView(),
     59                                        true);
     60     if (pNewNode->GetPacketType() == XFA_PacketType::Datasets)
     61       pNewNode->CreateXMLMappingNode();
     62   }
     63 
     64   CFXJSE_Value* value =
     65       GetDocument()->GetScriptContext()->GetJSValueFromMap(pNewNode);
     66   if (!value)
     67     return CJS_Return(runtime->NewNull());
     68 
     69   return CJS_Return(value->DirectGetValue().Get(runtime->GetIsolate()));
     70 }
     71 
     72 CJS_Return CJX_Model::isCompatibleNS(
     73     CJS_V8* runtime,
     74     const std::vector<v8::Local<v8::Value>>& params) {
     75   if (params.empty())
     76     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
     77 
     78   WideString nameSpace;
     79   if (params.size() >= 1)
     80     nameSpace = runtime->ToWideString(params[0]);
     81 
     82   return CJS_Return(
     83       runtime->NewBoolean(TryNamespace().value_or(WideString()) == nameSpace));
     84 }
     85 
     86 void CJX_Model::context(CFXJSE_Value* pValue,
     87                         bool bSetting,
     88                         XFA_Attribute eAttribute) {}
     89 
     90 void CJX_Model::aliasNode(CFXJSE_Value* pValue,
     91                           bool bSetting,
     92                           XFA_Attribute eAttribute) {}
     93