// Copyright 2017 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "fxjs/xfa/cjx_list.h" #include <vector> #include "fxjs/cfxjse_engine.h" #include "fxjs/cfxjse_value.h" #include "fxjs/js_resources.h" #include "third_party/base/numerics/safe_conversions.h" #include "xfa/fxfa/parser/cxfa_document.h" #include "xfa/fxfa/parser/cxfa_list.h" #include "xfa/fxfa/parser/cxfa_node.h" const CJX_MethodSpec CJX_List::MethodSpecs[] = {{"append", append_static}, {"insert", insert_static}, {"item", item_static}, {"remove", remove_static}}; CJX_List::CJX_List(CXFA_List* list) : CJX_Object(list) { DefineMethods(MethodSpecs, FX_ArraySize(MethodSpecs)); } CJX_List::~CJX_List() {} CXFA_List* CJX_List::GetXFAList() { return static_cast<CXFA_List*>(GetXFAObject()); } CJS_Return CJX_List::append(CJS_V8* runtime, const std::vector<v8::Local<v8::Value>>& params) { if (params.size() != 1) return CJS_Return(JSGetStringFromID(JSMessage::kParamError)); auto* pNode = ToNode(runtime->ToXFAObject(params[0])); if (!pNode) return CJS_Return(JSGetStringFromID(JSMessage::kValueError)); GetXFAList()->Append(pNode); return CJS_Return(true); } CJS_Return CJX_List::insert(CJS_V8* runtime, const std::vector<v8::Local<v8::Value>>& params) { if (params.size() != 2) return CJS_Return(JSGetStringFromID(JSMessage::kParamError)); auto* pNewNode = ToNode(runtime->ToXFAObject(params[0])); if (!pNewNode) return CJS_Return(JSGetStringFromID(JSMessage::kValueError)); auto* pBeforeNode = ToNode(runtime->ToXFAObject(params[1])); GetXFAList()->Insert(pNewNode, pBeforeNode); return CJS_Return(true); } CJS_Return CJX_List::remove(CJS_V8* runtime, const std::vector<v8::Local<v8::Value>>& params) { if (params.size() != 1) return CJS_Return(JSGetStringFromID(JSMessage::kParamError)); auto* pNode = ToNode(runtime->ToXFAObject(params[0])); if (!pNode) return CJS_Return(JSGetStringFromID(JSMessage::kValueError)); GetXFAList()->Remove(pNode); return CJS_Return(true); } CJS_Return CJX_List::item(CJS_V8* runtime, const std::vector<v8::Local<v8::Value>>& params) { if (params.size() != 1) return CJS_Return(JSGetStringFromID(JSMessage::kParamError)); int32_t index = runtime->ToInt32(params[0]); size_t cast_index = static_cast<size_t>(index); if (index < 0 || cast_index >= GetXFAList()->GetLength()) return CJS_Return(JSGetStringFromID(JSMessage::kInvalidInputError)); return CJS_Return(runtime->NewXFAObject( GetXFAList()->Item(cast_index), GetDocument()->GetScriptContext()->GetJseNormalClass()->GetTemplate())); } void CJX_List::length(CFXJSE_Value* pValue, bool bSetting, XFA_Attribute eAttribute) { if (bSetting) { ThrowInvalidPropertyException(); return; } pValue->SetInteger( pdfium::base::checked_cast<int32_t>(GetXFAList()->GetLength())); }