diff options
Diffstat (limited to 'xfa/fxfa/parser/cxfa_scriptcontext.cpp')
| -rw-r--r-- | xfa/fxfa/parser/cxfa_scriptcontext.cpp | 779 |
1 files changed, 0 insertions, 779 deletions
diff --git a/xfa/fxfa/parser/cxfa_scriptcontext.cpp b/xfa/fxfa/parser/cxfa_scriptcontext.cpp deleted file mode 100644 index 4e78f46f17..0000000000 --- a/xfa/fxfa/parser/cxfa_scriptcontext.cpp +++ /dev/null @@ -1,779 +0,0 @@ -// Copyright 2014 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 "xfa/fxfa/parser/cxfa_scriptcontext.h" - -#include <utility> - -#include "core/fxcrt/autorestorer.h" -#include "core/fxcrt/cfx_widetextbuf.h" -#include "core/fxcrt/fx_extension.h" -#include "fxjs/cfxjse_arguments.h" -#include "fxjs/cfxjse_class.h" -#include "fxjs/cfxjse_value.h" -#include "third_party/base/ptr_util.h" -#include "third_party/base/stl_util.h" -#include "xfa/fxfa/cxfa_eventparam.h" -#include "xfa/fxfa/cxfa_ffnotify.h" -#include "xfa/fxfa/parser/cxfa_document.h" -#include "xfa/fxfa/parser/cxfa_localemgr.h" -#include "xfa/fxfa/parser/cxfa_node.h" -#include "xfa/fxfa/parser/cxfa_nodehelper.h" -#include "xfa/fxfa/parser/cxfa_nodelist.h" -#include "xfa/fxfa/parser/cxfa_object.h" -#include "xfa/fxfa/parser/cxfa_resolveprocessor.h" -#include "xfa/fxfa/parser/cxfa_thisproxy.h" -#include "xfa/fxfa/parser/xfa_basic_data.h" -#include "xfa/fxfa/parser/xfa_resolvenode_rs.h" -#include "xfa/fxfa/parser/xfa_utils.h" - -namespace { - -const FXJSE_CLASS_DESCRIPTOR GlobalClassDescriptor = { - "Root", // name - nullptr, // constructor - nullptr, // properties - nullptr, // methods - 0, // property count - 0, // method count - CXFA_ScriptContext::GlobalPropTypeGetter, - CXFA_ScriptContext::GlobalPropertyGetter, - CXFA_ScriptContext::GlobalPropertySetter, - nullptr, // property deleter - CXFA_ScriptContext::NormalMethodCall, -}; - -const FXJSE_CLASS_DESCRIPTOR NormalClassDescriptor = { - "XFAObject", // name - nullptr, // constructor - nullptr, // properties - nullptr, // methods - 0, // property count - 0, // method count - CXFA_ScriptContext::NormalPropTypeGetter, - CXFA_ScriptContext::NormalPropertyGetter, - CXFA_ScriptContext::NormalPropertySetter, - nullptr, // property deleter - CXFA_ScriptContext::NormalMethodCall, -}; - -const FXJSE_CLASS_DESCRIPTOR VariablesClassDescriptor = { - "XFAScriptObject", // name - nullptr, // constructor - nullptr, // properties - nullptr, // methods - 0, // property count - 0, // method count - CXFA_ScriptContext::NormalPropTypeGetter, - CXFA_ScriptContext::GlobalPropertyGetter, - CXFA_ScriptContext::GlobalPropertySetter, - nullptr, // property deleter - CXFA_ScriptContext::NormalMethodCall, -}; - -const char kFormCalcRuntime[] = "pfm_rt"; - -CXFA_ThisProxy* ToThisProxy(CFXJSE_Value* pValue, CFXJSE_Class* pClass) { - return static_cast<CXFA_ThisProxy*>(pValue->ToHostObject(pClass)); -} - -const XFA_METHODINFO* GetMethodByName(XFA_Element eElement, - const WideStringView& wsMethodName) { - if (wsMethodName.IsEmpty()) - return nullptr; - - int32_t iElementIndex = static_cast<int32_t>(eElement); - while (iElementIndex >= 0 && iElementIndex < g_iScriptIndexCount) { - const XFA_SCRIPTHIERARCHY* scriptIndex = g_XFAScriptIndex + iElementIndex; - int32_t icount = scriptIndex->wMethodCount; - if (icount == 0) { - iElementIndex = scriptIndex->wParentIndex; - continue; - } - uint32_t uHash = FX_HashCode_GetW(wsMethodName, false); - int32_t iStart = scriptIndex->wMethodStart; - // TODO(dsinclair): Switch to std::lower_bound. - int32_t iEnd = iStart + icount - 1; - do { - int32_t iMid = (iStart + iEnd) / 2; - const XFA_METHODINFO* pInfo = g_SomMethodData + iMid; - if (uHash == pInfo->uHash) - return pInfo; - if (uHash < pInfo->uHash) - iEnd = iMid - 1; - else - iStart = iMid + 1; - } while (iStart <= iEnd); - iElementIndex = scriptIndex->wParentIndex; - } - return nullptr; -} - -} // namespace - -// static. -CXFA_Object* CXFA_ScriptContext::ToObject(CFXJSE_Value* pValue, - CFXJSE_Class* pClass) { - CFXJSE_HostObject* pHostObj = pValue->ToHostObject(pClass); - if (!pHostObj || pHostObj->type() != CFXJSE_HostObject::kXFA) - return nullptr; - return static_cast<CXFA_Object*>(pHostObj); -} - -CXFA_ScriptContext::CXFA_ScriptContext(CXFA_Document* pDocument) - : m_pDocument(pDocument), - m_pIsolate(nullptr), - m_pJsClass(nullptr), - m_eScriptType(XFA_SCRIPTLANGTYPE_Unkown), - m_pScriptNodeArray(nullptr), - m_pThisObject(nullptr), - m_dwBuiltInInFlags(0), - m_eRunAtType(XFA_ATTRIBUTEENUM_Client) {} - -CXFA_ScriptContext::~CXFA_ScriptContext() { - for (const auto& pair : m_mapVariableToContext) - delete ToThisProxy(pair.second->GetGlobalObject().get(), nullptr); -} - -void CXFA_ScriptContext::Initialize(v8::Isolate* pIsolate) { - m_pIsolate = pIsolate; - DefineJsContext(); - DefineJsClass(); - m_ResolveProcessor = pdfium::MakeUnique<CXFA_ResolveProcessor>(); -} - -bool CXFA_ScriptContext::RunScript(XFA_SCRIPTLANGTYPE eScriptType, - const WideStringView& wsScript, - CFXJSE_Value* hRetValue, - CXFA_Object* pThisObject) { - ByteString btScript; - AutoRestorer<XFA_SCRIPTLANGTYPE> typeRestorer(&m_eScriptType); - m_eScriptType = eScriptType; - if (eScriptType == XFA_SCRIPTLANGTYPE_Formcalc) { - if (!m_FM2JSContext) { - m_FM2JSContext = pdfium::MakeUnique<CXFA_FM2JSContext>( - m_pIsolate, m_JsContext.get(), m_pDocument.Get()); - } - CFX_WideTextBuf wsJavaScript; - if (!CXFA_FM2JSContext::Translate(wsScript, &wsJavaScript)) { - hRetValue->SetUndefined(); - return false; - } - btScript = FX_UTF8Encode(wsJavaScript.AsStringView()); - } else { - btScript = FX_UTF8Encode(wsScript); - } - AutoRestorer<CXFA_Object*> nodeRestorer(&m_pThisObject); - m_pThisObject = pThisObject; - CFXJSE_Value* pValue = pThisObject ? GetJSValueFromMap(pThisObject) : nullptr; - return m_JsContext->ExecuteScript(btScript.c_str(), hRetValue, pValue); -} - -void CXFA_ScriptContext::GlobalPropertySetter(CFXJSE_Value* pObject, - const ByteStringView& szPropName, - CFXJSE_Value* pValue) { - CXFA_Object* lpOrginalNode = ToObject(pObject, nullptr); - CXFA_Document* pDoc = lpOrginalNode->GetDocument(); - CXFA_ScriptContext* lpScriptContext = pDoc->GetScriptContext(); - CXFA_Object* lpCurNode = lpScriptContext->GetVariablesThis(lpOrginalNode); - WideString wsPropName = WideString::FromUTF8(szPropName); - uint32_t dwFlag = XFA_RESOLVENODE_Parent | XFA_RESOLVENODE_Siblings | - XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Properties | - XFA_RESOLVENODE_Attributes; - CXFA_Node* pRefNode = ToNode(lpScriptContext->GetThisObject()); - if (lpOrginalNode->IsVariablesThis()) - pRefNode = ToNode(lpCurNode); - if (lpScriptContext->QueryNodeByFlag(pRefNode, wsPropName.AsStringView(), - pValue, dwFlag, true)) { - return; - } - if (lpOrginalNode->IsVariablesThis()) { - if (pValue && pValue->IsUndefined()) { - pObject->SetObjectOwnProperty(szPropName, pValue); - return; - } - } - CXFA_FFNotify* pNotify = pDoc->GetNotify(); - if (!pNotify) { - return; - } - pNotify->GetDocEnvironment()->SetGlobalProperty(pNotify->GetHDOC(), - szPropName, pValue); -} -bool CXFA_ScriptContext::QueryNodeByFlag(CXFA_Node* refNode, - const WideStringView& propname, - CFXJSE_Value* pValue, - uint32_t dwFlag, - bool bSetting) { - if (!refNode) - return false; - XFA_RESOLVENODE_RS resolveRs; - if (ResolveObjects(refNode, propname, resolveRs, dwFlag) <= 0) - return false; - if (resolveRs.dwFlags == XFA_RESOVENODE_RSTYPE_Nodes) { - pValue->Assign(GetJSValueFromMap(resolveRs.objects.front())); - return true; - } - if (resolveRs.dwFlags == XFA_RESOVENODE_RSTYPE_Attribute) { - const XFA_SCRIPTATTRIBUTEINFO* lpAttributeInfo = resolveRs.pScriptAttribute; - if (lpAttributeInfo) { - (resolveRs.objects.front()->*(lpAttributeInfo->lpfnCallback))( - pValue, bSetting, (XFA_ATTRIBUTE)lpAttributeInfo->eAttribute); - } - } - return true; -} -void CXFA_ScriptContext::GlobalPropertyGetter(CFXJSE_Value* pObject, - const ByteStringView& szPropName, - CFXJSE_Value* pValue) { - CXFA_Object* pOriginalObject = ToObject(pObject, nullptr); - CXFA_Document* pDoc = pOriginalObject->GetDocument(); - CXFA_ScriptContext* lpScriptContext = pDoc->GetScriptContext(); - CXFA_Object* lpCurNode = lpScriptContext->GetVariablesThis(pOriginalObject); - WideString wsPropName = WideString::FromUTF8(szPropName); - if (lpScriptContext->GetType() == XFA_SCRIPTLANGTYPE_Formcalc) { - if (szPropName == kFormCalcRuntime) { - lpScriptContext->m_FM2JSContext->GlobalPropertyGetter(pValue); - return; - } - XFA_HashCode uHashCode = static_cast<XFA_HashCode>( - FX_HashCode_GetW(wsPropName.AsStringView(), false)); - if (uHashCode != XFA_HASHCODE_Layout) { - CXFA_Object* pObj = - lpScriptContext->GetDocument()->GetXFAObject(uHashCode); - if (pObj) { - pValue->Assign(lpScriptContext->GetJSValueFromMap(pObj)); - return; - } - } - } - uint32_t dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Properties | - XFA_RESOLVENODE_Attributes; - CXFA_Node* pRefNode = ToNode(lpScriptContext->GetThisObject()); - if (pOriginalObject->IsVariablesThis()) { - pRefNode = ToNode(lpCurNode); - } - if (lpScriptContext->QueryNodeByFlag(pRefNode, wsPropName.AsStringView(), - pValue, dwFlag, false)) { - return; - } - dwFlag = XFA_RESOLVENODE_Parent | XFA_RESOLVENODE_Siblings; - if (lpScriptContext->QueryNodeByFlag(pRefNode, wsPropName.AsStringView(), - pValue, dwFlag, false)) { - return; - } - CXFA_Object* pScriptObject = - lpScriptContext->GetVariablesThis(pOriginalObject, true); - if (pScriptObject && - lpScriptContext->QueryVariableValue(pScriptObject->AsNode(), szPropName, - pValue, true)) { - return; - } - CXFA_FFNotify* pNotify = pDoc->GetNotify(); - if (!pNotify) { - return; - } - pNotify->GetDocEnvironment()->GetGlobalProperty(pNotify->GetHDOC(), - szPropName, pValue); -} -void CXFA_ScriptContext::NormalPropertyGetter(CFXJSE_Value* pOriginalValue, - const ByteStringView& szPropName, - CFXJSE_Value* pReturnValue) { - CXFA_Object* pOriginalObject = ToObject(pOriginalValue, nullptr); - if (!pOriginalObject) { - pReturnValue->SetUndefined(); - return; - } - WideString wsPropName = WideString::FromUTF8(szPropName); - CXFA_ScriptContext* lpScriptContext = - pOriginalObject->GetDocument()->GetScriptContext(); - CXFA_Object* pObject = lpScriptContext->GetVariablesThis(pOriginalObject); - if (wsPropName == L"xfa") { - CFXJSE_Value* pValue = lpScriptContext->GetJSValueFromMap( - lpScriptContext->GetDocument()->GetRoot()); - pReturnValue->Assign(pValue); - return; - } - uint32_t dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Properties | - XFA_RESOLVENODE_Attributes; - bool bRet = lpScriptContext->QueryNodeByFlag( - ToNode(pObject), wsPropName.AsStringView(), pReturnValue, dwFlag, false); - if (bRet) { - return; - } - if (pObject == lpScriptContext->GetThisObject() || - (lpScriptContext->GetType() == XFA_SCRIPTLANGTYPE_Javascript && - !lpScriptContext->IsStrictScopeInJavaScript())) { - dwFlag = XFA_RESOLVENODE_Parent | XFA_RESOLVENODE_Siblings; - bRet = lpScriptContext->QueryNodeByFlag(ToNode(pObject), - wsPropName.AsStringView(), - pReturnValue, dwFlag, false); - } - if (bRet) { - return; - } - CXFA_Object* pScriptObject = - lpScriptContext->GetVariablesThis(pOriginalObject, true); - if (pScriptObject) { - bRet = lpScriptContext->QueryVariableValue(ToNode(pScriptObject), - szPropName, pReturnValue, true); - } - if (!bRet) { - pReturnValue->SetUndefined(); - } -} -void CXFA_ScriptContext::NormalPropertySetter(CFXJSE_Value* pOriginalValue, - const ByteStringView& szPropName, - CFXJSE_Value* pReturnValue) { - CXFA_Object* pOriginalObject = ToObject(pOriginalValue, nullptr); - if (!pOriginalObject) - return; - - CXFA_ScriptContext* lpScriptContext = - pOriginalObject->GetDocument()->GetScriptContext(); - CXFA_Object* pObject = lpScriptContext->GetVariablesThis(pOriginalObject); - WideString wsPropName = WideString::FromUTF8(szPropName); - const XFA_SCRIPTATTRIBUTEINFO* lpAttributeInfo = XFA_GetScriptAttributeByName( - pObject->GetElementType(), wsPropName.AsStringView()); - if (lpAttributeInfo) { - (pObject->*(lpAttributeInfo->lpfnCallback))( - pReturnValue, true, (XFA_ATTRIBUTE)lpAttributeInfo->eAttribute); - } else { - if (pObject->IsNode()) { - if (wsPropName[0] == '#') { - wsPropName = wsPropName.Right(wsPropName.GetLength() - 1); - } - CXFA_Node* pNode = ToNode(pObject); - CXFA_Node* pPropOrChild = nullptr; - XFA_Element eType = XFA_GetElementTypeForName(wsPropName.AsStringView()); - if (eType != XFA_Element::Unknown) - pPropOrChild = pNode->GetProperty(0, eType); - else - pPropOrChild = pNode->GetFirstChildByName(wsPropName.AsStringView()); - - if (pPropOrChild) { - WideString wsDefaultName(L"{default}"); - const XFA_SCRIPTATTRIBUTEINFO* lpAttrInfo = - XFA_GetScriptAttributeByName(pPropOrChild->GetElementType(), - wsDefaultName.AsStringView()); - if (lpAttrInfo) { - (pPropOrChild->*(lpAttrInfo->lpfnCallback))( - pReturnValue, true, (XFA_ATTRIBUTE)lpAttrInfo->eAttribute); - return; - } - } - } - CXFA_Object* pScriptObject = - lpScriptContext->GetVariablesThis(pOriginalObject, true); - if (pScriptObject) { - lpScriptContext->QueryVariableValue(ToNode(pScriptObject), szPropName, - pReturnValue, false); - } - } -} -int32_t CXFA_ScriptContext::NormalPropTypeGetter( - CFXJSE_Value* pOriginalValue, - const ByteStringView& szPropName, - bool bQueryIn) { - CXFA_Object* pObject = ToObject(pOriginalValue, nullptr); - if (!pObject) - return FXJSE_ClassPropType_None; - - CXFA_ScriptContext* lpScriptContext = - pObject->GetDocument()->GetScriptContext(); - pObject = lpScriptContext->GetVariablesThis(pObject); - XFA_Element eType = pObject->GetElementType(); - WideString wsPropName = WideString::FromUTF8(szPropName); - if (GetMethodByName(eType, wsPropName.AsStringView())) { - return FXJSE_ClassPropType_Method; - } - if (bQueryIn && - !XFA_GetScriptAttributeByName(eType, wsPropName.AsStringView())) { - return FXJSE_ClassPropType_None; - } - return FXJSE_ClassPropType_Property; -} -int32_t CXFA_ScriptContext::GlobalPropTypeGetter( - CFXJSE_Value* pOriginalValue, - const ByteStringView& szPropName, - bool bQueryIn) { - CXFA_Object* pObject = ToObject(pOriginalValue, nullptr); - if (!pObject) - return FXJSE_ClassPropType_None; - - CXFA_ScriptContext* lpScriptContext = - pObject->GetDocument()->GetScriptContext(); - pObject = lpScriptContext->GetVariablesThis(pObject); - XFA_Element eType = pObject->GetElementType(); - WideString wsPropName = WideString::FromUTF8(szPropName); - if (GetMethodByName(eType, wsPropName.AsStringView())) { - return FXJSE_ClassPropType_Method; - } - return FXJSE_ClassPropType_Property; -} -void CXFA_ScriptContext::NormalMethodCall(CFXJSE_Value* pThis, - const ByteStringView& szFuncName, - CFXJSE_Arguments& args) { - CXFA_Object* pObject = ToObject(pThis, nullptr); - if (!pObject) - return; - - CXFA_ScriptContext* lpScriptContext = - pObject->GetDocument()->GetScriptContext(); - pObject = lpScriptContext->GetVariablesThis(pObject); - WideString wsFunName = WideString::FromUTF8(szFuncName); - const XFA_METHODINFO* lpMethodInfo = - GetMethodByName(pObject->GetElementType(), wsFunName.AsStringView()); - if (!lpMethodInfo) - return; - - (pObject->*(lpMethodInfo->lpfnCallback))(&args); -} -bool CXFA_ScriptContext::IsStrictScopeInJavaScript() { - return m_pDocument->HasFlag(XFA_DOCFLAG_StrictScoping); -} -XFA_SCRIPTLANGTYPE CXFA_ScriptContext::GetType() { - return m_eScriptType; -} -void CXFA_ScriptContext::DefineJsContext() { - m_JsContext = CFXJSE_Context::Create(m_pIsolate, &GlobalClassDescriptor, - m_pDocument->GetRoot()); - RemoveBuiltInObjs(m_JsContext.get()); - m_JsContext->EnableCompatibleMode(); -} - -CFXJSE_Context* CXFA_ScriptContext::CreateVariablesContext( - CXFA_Node* pScriptNode, - CXFA_Node* pSubform) { - if (!pScriptNode || !pSubform) - return nullptr; - - auto pNewContext = - CFXJSE_Context::Create(m_pIsolate, &VariablesClassDescriptor, - new CXFA_ThisProxy(pSubform, pScriptNode)); - RemoveBuiltInObjs(pNewContext.get()); - pNewContext->EnableCompatibleMode(); - CFXJSE_Context* pResult = pNewContext.get(); - m_mapVariableToContext[pScriptNode] = std::move(pNewContext); - return pResult; -} - -CXFA_Object* CXFA_ScriptContext::GetVariablesThis(CXFA_Object* pObject, - bool bScriptNode) { - if (!pObject->IsVariablesThis()) - return pObject; - - CXFA_ThisProxy* pProxy = static_cast<CXFA_ThisProxy*>(pObject); - return bScriptNode ? pProxy->GetScriptNode() : pProxy->GetThisNode(); -} - -bool CXFA_ScriptContext::RunVariablesScript(CXFA_Node* pScriptNode) { - if (!pScriptNode) - return false; - - if (pScriptNode->GetElementType() != XFA_Element::Script) - return true; - - CXFA_Node* pParent = pScriptNode->GetNodeItem(XFA_NODEITEM_Parent); - if (!pParent || pParent->GetElementType() != XFA_Element::Variables) - return false; - - auto it = m_mapVariableToContext.find(pScriptNode); - if (it != m_mapVariableToContext.end() && it->second) - return true; - - CXFA_Node* pTextNode = pScriptNode->GetNodeItem(XFA_NODEITEM_FirstChild); - if (!pTextNode) - return false; - - WideStringView wsScript; - if (!pTextNode->TryCData(XFA_ATTRIBUTE_Value, wsScript)) - return false; - - ByteString btScript = FX_UTF8Encode(wsScript); - auto hRetValue = pdfium::MakeUnique<CFXJSE_Value>(m_pIsolate); - CXFA_Node* pThisObject = pParent->GetNodeItem(XFA_NODEITEM_Parent); - CFXJSE_Context* pVariablesContext = - CreateVariablesContext(pScriptNode, pThisObject); - AutoRestorer<CXFA_Object*> nodeRestorer(&m_pThisObject); - m_pThisObject = pThisObject; - return pVariablesContext->ExecuteScript(btScript.c_str(), hRetValue.get()); -} - -bool CXFA_ScriptContext::QueryVariableValue(CXFA_Node* pScriptNode, - const ByteStringView& szPropName, - CFXJSE_Value* pValue, - bool bGetter) { - if (!pScriptNode || pScriptNode->GetElementType() != XFA_Element::Script) - return false; - - CXFA_Node* variablesNode = pScriptNode->GetNodeItem(XFA_NODEITEM_Parent); - if (!variablesNode || - variablesNode->GetElementType() != XFA_Element::Variables) - return false; - - auto it = m_mapVariableToContext.find(pScriptNode); - if (it == m_mapVariableToContext.end() || !it->second) - return false; - - CFXJSE_Context* pVariableContext = it->second.get(); - std::unique_ptr<CFXJSE_Value> pObject = pVariableContext->GetGlobalObject(); - auto hVariableValue = pdfium::MakeUnique<CFXJSE_Value>(m_pIsolate); - if (!bGetter) { - pObject->SetObjectOwnProperty(szPropName, pValue); - return true; - } - if (pObject->HasObjectOwnProperty(szPropName, false)) { - pObject->GetObjectProperty(szPropName, hVariableValue.get()); - if (hVariableValue->IsFunction()) - pValue->SetFunctionBind(hVariableValue.get(), pObject.get()); - else if (bGetter) - pValue->Assign(hVariableValue.get()); - else - hVariableValue.get()->Assign(pValue); - return true; - } - return false; -} - -void CXFA_ScriptContext::DefineJsClass() { - m_pJsClass = - CFXJSE_Class::Create(m_JsContext.get(), &NormalClassDescriptor, false); -} - -void CXFA_ScriptContext::RemoveBuiltInObjs(CFXJSE_Context* pContext) const { - static const ByteStringView OBJ_NAME[2] = {"Number", "Date"}; - std::unique_ptr<CFXJSE_Value> pObject = pContext->GetGlobalObject(); - auto hProp = pdfium::MakeUnique<CFXJSE_Value>(m_pIsolate); - for (int i = 0; i < 2; ++i) { - if (pObject->GetObjectProperty(OBJ_NAME[i], hProp.get())) - pObject->DeleteObjectProperty(OBJ_NAME[i]); - } -} -CFXJSE_Class* CXFA_ScriptContext::GetJseNormalClass() { - return m_pJsClass; -} - -int32_t CXFA_ScriptContext::ResolveObjects(CXFA_Object* refObject, - const WideStringView& wsExpression, - XFA_RESOLVENODE_RS& resolveNodeRS, - uint32_t dwStyles, - CXFA_Node* bindNode) { - if (wsExpression.IsEmpty()) - return 0; - - if (m_eScriptType != XFA_SCRIPTLANGTYPE_Formcalc || - (dwStyles & (XFA_RESOLVENODE_Parent | XFA_RESOLVENODE_Siblings))) { - m_upObjectArray.clear(); - } - if (refObject && refObject->IsNode() && - (dwStyles & (XFA_RESOLVENODE_Parent | XFA_RESOLVENODE_Siblings))) { - m_upObjectArray.push_back(refObject->AsNode()); - } - - bool bNextCreate = false; - if (dwStyles & XFA_RESOLVENODE_CreateNode) { - m_ResolveProcessor->GetNodeHelper()->SetCreateNodeType(bindNode); - } - m_ResolveProcessor->GetNodeHelper()->m_pCreateParent = nullptr; - m_ResolveProcessor->GetNodeHelper()->m_iCurAllStart = -1; - - CXFA_ResolveNodesData rndFind; - int32_t nStart = 0; - int32_t nLevel = 0; - int32_t nRet = -1; - rndFind.m_pSC = this; - std::vector<CXFA_Object*> findObjects; - findObjects.push_back(refObject ? refObject : m_pDocument->GetRoot()); - int32_t nNodes = 0; - while (true) { - nNodes = pdfium::CollectionSize<int32_t>(findObjects); - int32_t i = 0; - rndFind.m_dwStyles = dwStyles; - m_ResolveProcessor->SetCurStart(nStart); - nStart = m_ResolveProcessor->GetFilter(wsExpression, nStart, rndFind); - if (nStart < 1) { - if ((dwStyles & XFA_RESOLVENODE_CreateNode) && !bNextCreate) { - CXFA_Node* pDataNode = nullptr; - nStart = m_ResolveProcessor->GetNodeHelper()->m_iCurAllStart; - if (nStart != -1) { - pDataNode = m_pDocument->GetNotBindNode(findObjects); - if (pDataNode) { - findObjects.clear(); - findObjects.push_back(pDataNode); - break; - } - } else { - pDataNode = findObjects.front()->AsNode(); - findObjects.clear(); - findObjects.push_back(pDataNode); - break; - } - dwStyles |= XFA_RESOLVENODE_Bind; - findObjects.clear(); - findObjects.push_back( - m_ResolveProcessor->GetNodeHelper()->m_pAllStartParent); - continue; - } else { - break; - } - } - if (bNextCreate) { - bool bCreate = - m_ResolveProcessor->GetNodeHelper()->ResolveNodes_CreateNode( - rndFind.m_wsName, rndFind.m_wsCondition, - nStart == - pdfium::base::checked_cast<int32_t>(wsExpression.GetLength()), - this); - if (bCreate) { - continue; - } else { - break; - } - } - std::vector<CXFA_Object*> retObjects; - while (i < nNodes) { - bool bDataBind = false; - if (((dwStyles & XFA_RESOLVENODE_Bind) || - (dwStyles & XFA_RESOLVENODE_CreateNode)) && - nNodes > 1) { - CXFA_ResolveNodesData rndBind; - m_ResolveProcessor->GetFilter(wsExpression, nStart, rndBind); - m_ResolveProcessor->SetIndexDataBind(rndBind.m_wsCondition, i, nNodes); - bDataBind = true; - } - rndFind.m_CurObject = findObjects[i++]; - rndFind.m_nLevel = nLevel; - rndFind.m_dwFlag = XFA_RESOVENODE_RSTYPE_Nodes; - nRet = m_ResolveProcessor->Resolve(rndFind); - if (nRet < 1) { - continue; - } - if (rndFind.m_dwFlag == XFA_RESOVENODE_RSTYPE_Attribute && - rndFind.m_pScriptAttribute && - nStart < - pdfium::base::checked_cast<int32_t>(wsExpression.GetLength())) { - auto pValue = pdfium::MakeUnique<CFXJSE_Value>(m_pIsolate); - (rndFind.m_Objects.front() - ->*(rndFind.m_pScriptAttribute->lpfnCallback))( - pValue.get(), false, - (XFA_ATTRIBUTE)rndFind.m_pScriptAttribute->eAttribute); - rndFind.m_Objects.front() = ToObject(pValue.get(), nullptr); - } - if (!m_upObjectArray.empty()) - m_upObjectArray.pop_back(); - retObjects.insert(retObjects.end(), rndFind.m_Objects.begin(), - rndFind.m_Objects.end()); - rndFind.m_Objects.clear(); - if (bDataBind) - break; - } - findObjects.clear(); - nNodes = pdfium::CollectionSize<int32_t>(retObjects); - if (nNodes < 1) { - if (dwStyles & XFA_RESOLVENODE_CreateNode) { - bNextCreate = true; - if (!m_ResolveProcessor->GetNodeHelper()->m_pCreateParent) { - m_ResolveProcessor->GetNodeHelper()->m_pCreateParent = - ToNode(rndFind.m_CurObject); - m_ResolveProcessor->GetNodeHelper()->m_iCreateCount = 1; - } - bool bCreate = - m_ResolveProcessor->GetNodeHelper()->ResolveNodes_CreateNode( - rndFind.m_wsName, rndFind.m_wsCondition, - nStart == pdfium::base::checked_cast<int32_t>( - wsExpression.GetLength()), - this); - if (bCreate) { - continue; - } else { - break; - } - } else { - break; - } - } - findObjects = - std::vector<CXFA_Object*>(retObjects.begin(), retObjects.end()); - rndFind.m_Objects.clear(); - if (nLevel == 0) { - dwStyles &= ~(XFA_RESOLVENODE_Parent | XFA_RESOLVENODE_Siblings); - } - nLevel++; - } - if (!bNextCreate) { - resolveNodeRS.dwFlags = rndFind.m_dwFlag; - if (nNodes > 0) { - resolveNodeRS.objects.insert(resolveNodeRS.objects.end(), - findObjects.begin(), findObjects.end()); - } - if (rndFind.m_dwFlag == XFA_RESOVENODE_RSTYPE_Attribute) { - resolveNodeRS.pScriptAttribute = rndFind.m_pScriptAttribute; - return 1; - } - } - if (dwStyles & (XFA_RESOLVENODE_CreateNode | XFA_RESOLVENODE_Bind | - XFA_RESOLVENODE_BindNew)) { - m_ResolveProcessor->SetResultCreateNode(resolveNodeRS, - rndFind.m_wsCondition); - if (!bNextCreate && (dwStyles & XFA_RESOLVENODE_CreateNode)) { - resolveNodeRS.dwFlags = XFA_RESOVENODE_RSTYPE_ExistNodes; - } - return pdfium::CollectionSize<int32_t>(resolveNodeRS.objects); - } - return nNodes; -} - -void CXFA_ScriptContext::AddToCacheList(std::unique_ptr<CXFA_NodeList> pList) { - m_CacheList.push_back(std::move(pList)); -} - -CFXJSE_Value* CXFA_ScriptContext::GetJSValueFromMap(CXFA_Object* pObject) { - if (!pObject) - return nullptr; - if (pObject->IsNode()) - RunVariablesScript(pObject->AsNode()); - - auto iter = m_mapObjectToValue.find(pObject); - if (iter != m_mapObjectToValue.end()) - return iter->second.get(); - - auto jsValue = pdfium::MakeUnique<CFXJSE_Value>(m_pIsolate); - jsValue->SetObject(pObject, m_pJsClass); - CFXJSE_Value* pValue = jsValue.get(); - m_mapObjectToValue.insert(std::make_pair(pObject, std::move(jsValue))); - return pValue; -} -int32_t CXFA_ScriptContext::GetIndexByName(CXFA_Node* refNode) { - CXFA_NodeHelper* lpNodeHelper = m_ResolveProcessor->GetNodeHelper(); - return lpNodeHelper->GetIndex(refNode, XFA_LOGIC_Transparent, - lpNodeHelper->NodeIsProperty(refNode), false); -} -int32_t CXFA_ScriptContext::GetIndexByClassName(CXFA_Node* refNode) { - CXFA_NodeHelper* lpNodeHelper = m_ResolveProcessor->GetNodeHelper(); - return lpNodeHelper->GetIndex(refNode, XFA_LOGIC_Transparent, - lpNodeHelper->NodeIsProperty(refNode), true); -} -void CXFA_ScriptContext::GetSomExpression(CXFA_Node* refNode, - WideString& wsExpression) { - CXFA_NodeHelper* lpNodeHelper = m_ResolveProcessor->GetNodeHelper(); - lpNodeHelper->GetNameExpression(refNode, wsExpression, true, - XFA_LOGIC_Transparent); -} -void CXFA_ScriptContext::SetNodesOfRunScript(std::vector<CXFA_Node*>* pArray) { - m_pScriptNodeArray = pArray; -} - -void CXFA_ScriptContext::AddNodesOfRunScript( - const std::vector<CXFA_Node*>& nodes) { - if (m_pScriptNodeArray && !nodes.empty()) - *m_pScriptNodeArray = nodes; -} - -void CXFA_ScriptContext::AddNodesOfRunScript(CXFA_Node* pNode) { - if (m_pScriptNodeArray && !pdfium::ContainsValue(*m_pScriptNodeArray, pNode)) - m_pScriptNodeArray->push_back(pNode); -} |