| // 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_resolveprocessor.h" |
| |
| #include "core/fxcrt/fx_ext.h" |
| #include "xfa/fxfa/parser/cxfa_document.h" |
| #include "xfa/fxfa/parser/cxfa_nodehelper.h" |
| #include "xfa/fxfa/parser/cxfa_scriptcontext.h" |
| #include "xfa/fxfa/parser/xfa_localemgr.h" |
| #include "xfa/fxfa/parser/xfa_object.h" |
| #include "xfa/fxfa/parser/xfa_resolvenode_rs.h" |
| #include "xfa/fxfa/parser/xfa_utils.h" |
| |
| CXFA_ResolveProcessor::CXFA_ResolveProcessor() |
| : m_iCurStart(0), m_pNodeHelper(new CXFA_NodeHelper) {} |
| |
| CXFA_ResolveProcessor::~CXFA_ResolveProcessor() {} |
| |
| int32_t CXFA_ResolveProcessor::Resolve(CXFA_ResolveNodesData& rnd) { |
| if (!rnd.m_CurNode) { |
| return -1; |
| } |
| if (!rnd.m_CurNode->IsNode()) { |
| if (rnd.m_dwStyles & XFA_RESOLVENODE_Attributes) { |
| return ResolveForAttributeRs(rnd.m_CurNode, rnd, |
| rnd.m_wsName.AsStringC()); |
| } |
| return 0; |
| } |
| if (rnd.m_dwStyles & XFA_RESOLVENODE_AnyChild) { |
| return ResolveAnyChild(rnd); |
| } |
| FX_WCHAR wch = rnd.m_wsName.GetAt(0); |
| switch (wch) { |
| case '$': |
| return ResolveDollar(rnd); |
| case '!': |
| return ResolveExcalmatory(rnd); |
| case '#': |
| return ResolveNumberSign(rnd); |
| case '*': |
| return ResolveAsterisk(rnd); |
| // TODO(dsinclair): We could probably remove this. |
| case '.': |
| return ResolveAnyChild(rnd); |
| default: |
| break; |
| } |
| if (rnd.m_uHashName == XFA_HASHCODE_This && rnd.m_nLevel == 0) { |
| rnd.m_Nodes.Add(rnd.m_pSC->GetThisObject()); |
| return 1; |
| } else if (rnd.m_CurNode->GetElementType() == XFA_Element::Xfa) { |
| CXFA_Object* pObjNode = |
| rnd.m_pSC->GetDocument()->GetXFAObject(rnd.m_uHashName); |
| if (pObjNode) { |
| rnd.m_Nodes.Add(pObjNode); |
| } else if (rnd.m_uHashName == XFA_HASHCODE_Xfa) { |
| rnd.m_Nodes.Add(rnd.m_CurNode); |
| } else if ((rnd.m_dwStyles & XFA_RESOLVENODE_Attributes) && |
| ResolveForAttributeRs(rnd.m_CurNode, rnd, |
| rnd.m_wsName.AsStringC())) { |
| return 1; |
| } |
| if (rnd.m_Nodes.GetSize() > 0) { |
| FilterCondition(rnd, rnd.m_wsCondition); |
| } |
| return rnd.m_Nodes.GetSize(); |
| } |
| int32_t nRet = ResolveNormal(rnd); |
| if (nRet < 1 && rnd.m_uHashName == XFA_HASHCODE_Xfa) { |
| rnd.m_Nodes.Add(rnd.m_pSC->GetDocument()->GetRoot()); |
| } |
| return rnd.m_Nodes.GetSize(); |
| } |
| int32_t CXFA_ResolveProcessor::ResolveAnyChild(CXFA_ResolveNodesData& rnd) { |
| CFX_WideString wsName = rnd.m_wsName; |
| CFX_WideString wsCondition = rnd.m_wsCondition; |
| CXFA_Node* findNode = nullptr; |
| CXFA_NodeArray siblings; |
| bool bClassName = false; |
| if (wsName.GetAt(0) == '#') { |
| bClassName = true; |
| wsName = wsName.Right(wsName.GetLength() - 1); |
| } |
| findNode = m_pNodeHelper->ResolveNodes_GetOneChild( |
| ToNode(rnd.m_CurNode), wsName.c_str(), bClassName); |
| if (!findNode) { |
| return 0; |
| } |
| if (wsCondition.IsEmpty()) { |
| rnd.m_Nodes.Add(findNode); |
| return rnd.m_Nodes.GetSize(); |
| } |
| m_pNodeHelper->CountSiblings(findNode, XFA_LOGIC_Transparent, |
| (CXFA_NodeArray*)&rnd.m_Nodes, bClassName); |
| FilterCondition(rnd, wsCondition); |
| return rnd.m_Nodes.GetSize(); |
| } |
| int32_t CXFA_ResolveProcessor::ResolveDollar(CXFA_ResolveNodesData& rnd) { |
| CXFA_ObjArray& nodes = rnd.m_Nodes; |
| CFX_WideString wsName = rnd.m_wsName; |
| CFX_WideString wsCondition = rnd.m_wsCondition; |
| int32_t iNameLen = wsName.GetLength(); |
| if (iNameLen == 1) { |
| nodes.Add(rnd.m_CurNode); |
| return 1; |
| } |
| if (rnd.m_nLevel > 0) { |
| return -1; |
| } |
| XFA_HashCode dwNameHash = static_cast<XFA_HashCode>(FX_HashCode_GetW( |
| CFX_WideStringC(wsName.c_str() + 1, iNameLen - 1), false)); |
| if (dwNameHash == XFA_HASHCODE_Xfa) { |
| nodes.Add(rnd.m_pSC->GetDocument()->GetRoot()); |
| } else { |
| CXFA_Object* pObjNode = rnd.m_pSC->GetDocument()->GetXFAObject(dwNameHash); |
| if (pObjNode) { |
| rnd.m_Nodes.Add(pObjNode); |
| } |
| } |
| if (rnd.m_Nodes.GetSize() > 0) { |
| FilterCondition(rnd, wsCondition); |
| } |
| return rnd.m_Nodes.GetSize(); |
| } |
| int32_t CXFA_ResolveProcessor::ResolveExcalmatory(CXFA_ResolveNodesData& rnd) { |
| if (rnd.m_nLevel > 0) { |
| return 0; |
| } |
| CXFA_Node* datasets = |
| ToNode(rnd.m_pSC->GetDocument()->GetXFAObject(XFA_HASHCODE_Datasets)); |
| if (!datasets) { |
| return 0; |
| } |
| CXFA_ResolveNodesData rndFind; |
| rndFind.m_pSC = rnd.m_pSC; |
| rndFind.m_CurNode = datasets; |
| rndFind.m_wsName = rnd.m_wsName.Right(rnd.m_wsName.GetLength() - 1); |
| rndFind.m_uHashName = static_cast<XFA_HashCode>( |
| FX_HashCode_GetW(rndFind.m_wsName.AsStringC(), false)); |
| rndFind.m_nLevel = rnd.m_nLevel + 1; |
| rndFind.m_dwStyles = XFA_RESOLVENODE_Children; |
| rndFind.m_wsCondition = rnd.m_wsCondition; |
| Resolve(rndFind); |
| if (rndFind.m_Nodes.GetSize() > 0) { |
| rnd.m_Nodes.Append(rndFind.m_Nodes); |
| rndFind.m_Nodes.RemoveAll(); |
| } |
| return rnd.m_Nodes.GetSize(); |
| } |
| int32_t CXFA_ResolveProcessor::ResolveNumberSign(CXFA_ResolveNodesData& rnd) { |
| CFX_WideString wsName = rnd.m_wsName.Right(rnd.m_wsName.GetLength() - 1); |
| CFX_WideString wsCondition = rnd.m_wsCondition; |
| CXFA_Node* curNode = ToNode(rnd.m_CurNode); |
| if (ResolveForAttributeRs(curNode, rnd, wsName.AsStringC())) { |
| return 1; |
| } |
| CXFA_ResolveNodesData rndFind; |
| rndFind.m_pSC = rnd.m_pSC; |
| rndFind.m_nLevel = rnd.m_nLevel + 1; |
| rndFind.m_dwStyles = rnd.m_dwStyles; |
| rndFind.m_dwStyles |= XFA_RESOLVENODE_TagName; |
| rndFind.m_dwStyles &= ~XFA_RESOLVENODE_Attributes; |
| rndFind.m_wsName = wsName; |
| rndFind.m_uHashName = static_cast<XFA_HashCode>( |
| FX_HashCode_GetW(rndFind.m_wsName.AsStringC(), false)); |
| rndFind.m_wsCondition = wsCondition; |
| rndFind.m_CurNode = curNode; |
| ResolveNormal(rndFind); |
| if (rndFind.m_Nodes.GetSize() > 0) { |
| if (wsCondition.GetLength() == 0 && rndFind.m_Nodes.Find(curNode) >= 0) { |
| rnd.m_Nodes.Add(curNode); |
| } else { |
| rnd.m_Nodes.Append(rndFind.m_Nodes); |
| rndFind.m_Nodes.RemoveAll(); |
| } |
| } |
| return rnd.m_Nodes.GetSize(); |
| } |
| int32_t CXFA_ResolveProcessor::ResolveForAttributeRs( |
| CXFA_Object* curNode, |
| CXFA_ResolveNodesData& rnd, |
| const CFX_WideStringC& strAttr) { |
| const XFA_SCRIPTATTRIBUTEINFO* lpScriptAttribute = |
| XFA_GetScriptAttributeByName(curNode->GetElementType(), strAttr); |
| if (lpScriptAttribute) { |
| rnd.m_pScriptAttribute = lpScriptAttribute; |
| rnd.m_Nodes.Add(curNode); |
| rnd.m_dwFlag = XFA_RESOVENODE_RSTYPE_Attribute; |
| return 1; |
| } |
| return 0; |
| } |
| int32_t CXFA_ResolveProcessor::ResolveNormal(CXFA_ResolveNodesData& rnd) { |
| if (rnd.m_nLevel > 32) { |
| return 0; |
| } |
| if (!rnd.m_CurNode->IsNode()) { |
| return 0; |
| } |
| CXFA_Node* curNode = ToNode(rnd.m_CurNode); |
| CXFA_ObjArray& nodes = rnd.m_Nodes; |
| int32_t nNum = nodes.GetSize(); |
| uint32_t dwStyles = rnd.m_dwStyles; |
| CFX_WideString& wsName = rnd.m_wsName; |
| XFA_HashCode uNameHash = rnd.m_uHashName; |
| CFX_WideString& wsCondition = rnd.m_wsCondition; |
| CXFA_ResolveNodesData rndFind; |
| rndFind.m_wsName = rnd.m_wsName; |
| rndFind.m_wsCondition = rnd.m_wsCondition; |
| rndFind.m_pSC = rnd.m_pSC; |
| rndFind.m_nLevel = rnd.m_nLevel + 1; |
| rndFind.m_uHashName = uNameHash; |
| CXFA_NodeArray children; |
| CXFA_NodeArray properties; |
| CXFA_Node* pVariablesNode = nullptr; |
| CXFA_Node* pPageSetNode = nullptr; |
| CXFA_Node* pChild = curNode->GetNodeItem(XFA_NODEITEM_FirstChild); |
| while (pChild) { |
| if (pChild->GetElementType() == XFA_Element::Variables) { |
| pVariablesNode = pChild; |
| pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling); |
| continue; |
| } else if (pChild->GetElementType() == XFA_Element::PageSet) { |
| pPageSetNode = pChild; |
| pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling); |
| continue; |
| } else { |
| const XFA_PROPERTY* pPropert = XFA_GetPropertyOfElement( |
| curNode->GetElementType(), pChild->GetElementType(), |
| XFA_XDPPACKET_UNKNOWN); |
| if (pPropert) { |
| properties.Add(pChild); |
| } else { |
| children.Add(pChild); |
| } |
| } |
| pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling); |
| } |
| if ((dwStyles & XFA_RESOLVENODE_Properties) && pVariablesNode) { |
| uint32_t uPropHash = pVariablesNode->GetClassHashCode(); |
| if (uPropHash == uNameHash) { |
| nodes.Add(pVariablesNode); |
| } else { |
| rndFind.m_CurNode = pVariablesNode; |
| SetStylesForChild(dwStyles, rndFind); |
| CFX_WideString wsSaveCondition = rndFind.m_wsCondition; |
| rndFind.m_wsCondition.clear(); |
| ResolveNormal(rndFind); |
| rndFind.m_wsCondition = wsSaveCondition; |
| if (rndFind.m_Nodes.GetSize() > 0) { |
| nodes.Append(rndFind.m_Nodes); |
| rndFind.m_Nodes.RemoveAll(); |
| } |
| } |
| if (nodes.GetSize() > nNum) { |
| FilterCondition(rnd, wsCondition); |
| if (nodes.GetSize() > 0) { |
| return 1; |
| } |
| return 0; |
| } |
| } |
| if (dwStyles & XFA_RESOLVENODE_Children) { |
| bool bSetFlag = false; |
| if (pPageSetNode && (dwStyles & XFA_RESOLVENODE_Properties)) { |
| children.Add(pPageSetNode); |
| } |
| for (int32_t i = 0; i < children.GetSize(); i++) { |
| CXFA_Node* child = children[i]; |
| if (dwStyles & XFA_RESOLVENODE_TagName) { |
| if (child->GetClassHashCode() == uNameHash) { |
| nodes.Add(child); |
| } |
| } else if (child->GetNameHash() == uNameHash) { |
| nodes.Add(child); |
| } |
| if (m_pNodeHelper->NodeIsTransparent(child) && |
| child->GetElementType() != XFA_Element::PageSet) { |
| if (!bSetFlag) { |
| SetStylesForChild(dwStyles, rndFind); |
| bSetFlag = true; |
| } |
| rndFind.m_CurNode = child; |
| CFX_WideString wsSaveCondition = rndFind.m_wsCondition; |
| rndFind.m_wsCondition.clear(); |
| ResolveNormal(rndFind); |
| rndFind.m_wsCondition = wsSaveCondition; |
| if (rndFind.m_Nodes.GetSize() > 0) { |
| nodes.Append(rndFind.m_Nodes); |
| rndFind.m_Nodes.RemoveAll(); |
| } |
| } |
| } |
| if (nodes.GetSize() > nNum) { |
| if (!(dwStyles & XFA_RESOLVENODE_ALL)) { |
| CXFA_NodeArray upArrayNodes; |
| if (m_pNodeHelper->NodeIsTransparent(ToNode(curNode))) { |
| m_pNodeHelper->CountSiblings(ToNode(nodes[0]), XFA_LOGIC_Transparent, |
| &upArrayNodes, |
| !!(dwStyles & XFA_RESOLVENODE_TagName)); |
| } |
| if (upArrayNodes.GetSize() > nodes.GetSize()) { |
| upArrayNodes[0] = ToNode(nodes[0]); |
| nodes.RemoveAll(); |
| nodes.Append((CXFA_ObjArray&)upArrayNodes); |
| upArrayNodes.RemoveAll(); |
| } |
| } |
| FilterCondition(rnd, wsCondition); |
| if (nodes.GetSize() > 0) { |
| return 1; |
| } |
| return 0; |
| } |
| } |
| if (dwStyles & XFA_RESOLVENODE_Attributes) { |
| if (ResolveForAttributeRs(curNode, rnd, wsName.AsStringC())) { |
| return 1; |
| } |
| } |
| if (dwStyles & XFA_RESOLVENODE_Properties) { |
| for (int32_t i = 0; i < properties.GetSize(); i++) { |
| CXFA_Node* childProperty = properties[i]; |
| if (childProperty->IsUnnamed()) { |
| uint32_t uPropHash = childProperty->GetClassHashCode(); |
| if (uPropHash == uNameHash) { |
| nodes.Add(childProperty); |
| } |
| } else if (childProperty->GetNameHash() == uNameHash && |
| childProperty->GetElementType() != XFA_Element::Extras && |
| childProperty->GetElementType() != XFA_Element::Items) { |
| nodes.Add(childProperty); |
| } |
| } |
| if (nodes.GetSize() > nNum) { |
| FilterCondition(rnd, wsCondition); |
| if (nodes.GetSize() > 0) { |
| return 1; |
| } |
| return 0; |
| } |
| CXFA_Node* pProp = nullptr; |
| if (XFA_Element::Subform == curNode->GetElementType() && |
| XFA_HASHCODE_Occur == uNameHash) { |
| CXFA_Node* pInstanceManager = |
| curNode->AsNode()->GetInstanceMgrOfSubform(); |
| if (pInstanceManager) { |
| pProp = pInstanceManager->GetProperty(0, XFA_Element::Occur, true); |
| } |
| } else { |
| XFA_Element eType = XFA_GetElementTypeForName(wsName.AsStringC()); |
| if (eType != XFA_Element::Unknown) { |
| pProp = curNode->AsNode()->GetProperty(0, eType, |
| eType != XFA_Element::PageSet); |
| } |
| } |
| if (pProp) { |
| nodes.Add(pProp); |
| return nodes.GetSize(); |
| } |
| } |
| CXFA_Node* parentNode = m_pNodeHelper->ResolveNodes_GetParent( |
| curNode->AsNode(), XFA_LOGIC_NoTransparent); |
| uint32_t uCurClassHash = curNode->GetClassHashCode(); |
| if (!parentNode) { |
| if (uCurClassHash == uNameHash) { |
| nodes.Add(curNode->AsNode()); |
| FilterCondition(rnd, wsCondition); |
| if (nodes.GetSize() > 0) { |
| return 1; |
| } |
| } |
| return 0; |
| } |
| if (dwStyles & XFA_RESOLVENODE_Siblings) { |
| CXFA_Node* child = parentNode->GetNodeItem(XFA_NODEITEM_FirstChild); |
| uint32_t dwSubStyles = |
| XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Properties; |
| if (dwStyles & XFA_RESOLVENODE_TagName) { |
| dwSubStyles |= XFA_RESOLVENODE_TagName; |
| } |
| if (dwStyles & XFA_RESOLVENODE_ALL) { |
| dwSubStyles |= XFA_RESOLVENODE_ALL; |
| } |
| rndFind.m_dwStyles = dwSubStyles; |
| while (child) { |
| if (child == curNode) { |
| if (dwStyles & XFA_RESOLVENODE_TagName) { |
| if (uCurClassHash == uNameHash) { |
| nodes.Add(curNode); |
| } |
| } else { |
| if (child->GetNameHash() == uNameHash) { |
| nodes.Add(curNode); |
| if (rnd.m_nLevel == 0 && wsCondition.GetLength() == 0) { |
| nodes.RemoveAll(); |
| nodes.Add(curNode); |
| return 1; |
| } |
| } |
| } |
| child = child->GetNodeItem(XFA_NODEITEM_NextSibling); |
| continue; |
| } |
| if (dwStyles & XFA_RESOLVENODE_TagName) { |
| if (child->GetClassHashCode() == uNameHash) { |
| nodes.Add(child); |
| } |
| } else if (child->GetNameHash() == uNameHash) { |
| nodes.Add(child); |
| } |
| const XFA_PROPERTY* pPropert = XFA_GetPropertyOfElement( |
| parentNode->GetElementType(), child->GetElementType(), |
| XFA_XDPPACKET_UNKNOWN); |
| bool bInnerSearch = false; |
| if (pPropert) { |
| if ((child->GetElementType() == XFA_Element::Variables || |
| child->GetElementType() == XFA_Element::PageSet)) { |
| bInnerSearch = true; |
| } |
| } else { |
| if (m_pNodeHelper->NodeIsTransparent(child)) { |
| bInnerSearch = true; |
| } |
| } |
| if (bInnerSearch) { |
| rndFind.m_CurNode = child; |
| CFX_WideString wsOriginCondition = rndFind.m_wsCondition; |
| rndFind.m_wsCondition.clear(); |
| uint32_t dwOriginStyle = rndFind.m_dwStyles; |
| rndFind.m_dwStyles = dwOriginStyle | XFA_RESOLVENODE_ALL; |
| ResolveNormal(rndFind); |
| rndFind.m_dwStyles = dwOriginStyle; |
| rndFind.m_wsCondition = wsOriginCondition; |
| if (rndFind.m_Nodes.GetSize() > 0) { |
| nodes.Append(rndFind.m_Nodes); |
| rndFind.m_Nodes.RemoveAll(); |
| } |
| } |
| child = child->GetNodeItem(XFA_NODEITEM_NextSibling); |
| } |
| if (nodes.GetSize() > nNum) { |
| if (m_pNodeHelper->NodeIsTransparent(parentNode)) { |
| CXFA_NodeArray upArrayNodes; |
| m_pNodeHelper->CountSiblings(ToNode(nodes[0]), XFA_LOGIC_Transparent, |
| &upArrayNodes, |
| !!(dwStyles & XFA_RESOLVENODE_TagName)); |
| if (upArrayNodes.GetSize() > nodes.GetSize()) { |
| upArrayNodes[0] = ToNode(nodes[0]); |
| nodes.RemoveAll(); |
| nodes.Append((CXFA_ObjArray&)upArrayNodes); |
| upArrayNodes.RemoveAll(); |
| } |
| } |
| FilterCondition(rnd, wsCondition); |
| if (nodes.GetSize() > 0) { |
| return 1; |
| } |
| return 0; |
| } |
| } |
| if (dwStyles & XFA_RESOLVENODE_Parent) { |
| uint32_t dwSubStyles = XFA_RESOLVENODE_Siblings | XFA_RESOLVENODE_Parent | |
| XFA_RESOLVENODE_Properties; |
| if (dwStyles & XFA_RESOLVENODE_TagName) { |
| dwSubStyles |= XFA_RESOLVENODE_TagName; |
| } |
| if (dwStyles & XFA_RESOLVENODE_ALL) { |
| dwSubStyles |= XFA_RESOLVENODE_ALL; |
| } |
| rndFind.m_dwStyles = dwSubStyles; |
| rndFind.m_CurNode = parentNode; |
| CXFA_NodeArray& array = rnd.m_pSC->GetUpObjectArray(); |
| array.Add(parentNode); |
| ResolveNormal(rndFind); |
| if (rndFind.m_Nodes.GetSize() > 0) { |
| nodes.Append(rndFind.m_Nodes); |
| rndFind.m_Nodes.RemoveAll(); |
| } |
| if (nodes.GetSize() > nNum) { |
| return 1; |
| } |
| } |
| return 0; |
| } |
| int32_t CXFA_ResolveProcessor::ResolveAsterisk(CXFA_ResolveNodesData& rnd) { |
| CXFA_Node* curNode = ToNode(rnd.m_CurNode); |
| CXFA_ObjArray& nodes = rnd.m_Nodes; |
| CXFA_NodeArray array; |
| curNode->GetNodeList(array, |
| XFA_NODEFILTER_Children | XFA_NODEFILTER_Properties); |
| nodes.Append((CXFA_ObjArray&)array); |
| return nodes.GetSize(); |
| } |
| int32_t CXFA_ResolveProcessor::ResolvePopStack( |
| CFX_ArrayTemplate<int32_t>& stack) { |
| int32_t nType = -1; |
| int32_t iSize = stack.GetSize() - 1; |
| if (iSize > -1) { |
| nType = stack[iSize]; |
| stack.RemoveAt(iSize, 1); |
| } |
| return nType; |
| } |
| int32_t CXFA_ResolveProcessor::GetFilter(const CFX_WideStringC& wsExpression, |
| int32_t nStart, |
| CXFA_ResolveNodesData& rnd) { |
| ASSERT(nStart > -1); |
| int32_t iLength = wsExpression.GetLength(); |
| if (nStart >= iLength) { |
| return 0; |
| } |
| CFX_WideString& wsName = rnd.m_wsName; |
| CFX_WideString& wsCondition = rnd.m_wsCondition; |
| FX_WCHAR* pNameBuf = wsName.GetBuffer(iLength - nStart); |
| FX_WCHAR* pConditionBuf = wsCondition.GetBuffer(iLength - nStart); |
| int32_t nNameCount = 0; |
| int32_t nConditionCount = 0; |
| CFX_ArrayTemplate<int32_t> stack; |
| int32_t nType = -1; |
| const FX_WCHAR* pSrc = wsExpression.c_str(); |
| FX_WCHAR wPrev = 0, wCur; |
| bool bIsCondition = false; |
| while (nStart < iLength) { |
| wCur = pSrc[nStart++]; |
| if (wCur == '.') { |
| if (wPrev == '\\') { |
| pNameBuf[nNameCount - 1] = wPrev = '.'; |
| continue; |
| } |
| if (nNameCount == 0) { |
| rnd.m_dwStyles |= XFA_RESOLVENODE_AnyChild; |
| continue; |
| } |
| FX_WCHAR wLookahead = nStart < iLength ? pSrc[nStart] : 0; |
| if (wLookahead != '[' && wLookahead != '(') { |
| if (nType < 0) { |
| break; |
| } |
| } |
| } |
| if (wCur == '[' || wCur == '(') { |
| bIsCondition = true; |
| } else if (wCur == '.' && nStart < iLength && |
| (pSrc[nStart] == '[' || pSrc[nStart] == '(')) { |
| bIsCondition = true; |
| } |
| if (bIsCondition) { |
| pConditionBuf[nConditionCount++] = wCur; |
| } else { |
| pNameBuf[nNameCount++] = wCur; |
| } |
| bool bRecursive = true; |
| switch (nType) { |
| case 0: |
| if (wCur == ']') { |
| nType = ResolvePopStack(stack); |
| bRecursive = false; |
| } |
| break; |
| case 1: |
| if (wCur == ')') { |
| nType = ResolvePopStack(stack); |
| bRecursive = false; |
| } |
| break; |
| case 2: |
| if (wCur == '"') { |
| nType = ResolvePopStack(stack); |
| bRecursive = false; |
| } |
| break; |
| } |
| if (bRecursive) { |
| switch (wCur) { |
| case '[': |
| stack.Add(nType); |
| nType = 0; |
| break; |
| case '(': |
| stack.Add(nType); |
| nType = 1; |
| break; |
| case '"': |
| stack.Add(nType); |
| nType = 2; |
| break; |
| } |
| } |
| wPrev = wCur; |
| } |
| if (stack.GetSize() > 0) { |
| return -1; |
| } |
| wsName.ReleaseBuffer(nNameCount); |
| wsName.TrimLeft(); |
| wsName.TrimRight(); |
| wsCondition.ReleaseBuffer(nConditionCount); |
| wsCondition.TrimLeft(); |
| wsCondition.TrimRight(); |
| rnd.m_uHashName = |
| static_cast<XFA_HashCode>(FX_HashCode_GetW(wsName.AsStringC(), false)); |
| return nStart; |
| } |
| void CXFA_ResolveProcessor::ConditionArray(int32_t iCurIndex, |
| CFX_WideString wsCondition, |
| int32_t iFoundCount, |
| CXFA_ResolveNodesData& rnd) { |
| CXFA_NodeArray& findNodes = (CXFA_NodeArray&)rnd.m_Nodes; |
| int32_t iLen = wsCondition.GetLength(); |
| bool bRelative = false; |
| bool bAll = false; |
| int32_t i = 1; |
| for (; i < iLen; ++i) { |
| FX_WCHAR ch = wsCondition[i]; |
| if (ch == ' ') { |
| continue; |
| } |
| if (ch == '+' || ch == '-') { |
| bRelative = true; |
| break; |
| } else if (ch == '*') { |
| bAll = true; |
| break; |
| } else { |
| break; |
| } |
| } |
| if (bAll) { |
| if (rnd.m_dwStyles & XFA_RESOLVENODE_CreateNode) { |
| if (rnd.m_dwStyles & XFA_RESOLVENODE_Bind) { |
| m_pNodeHelper->m_pCreateParent = ToNode(rnd.m_CurNode); |
| m_pNodeHelper->m_iCreateCount = 1; |
| findNodes.RemoveAll(); |
| m_pNodeHelper->m_iCurAllStart = -1; |
| m_pNodeHelper->m_pAllStartParent = nullptr; |
| } else { |
| if (m_pNodeHelper->m_iCurAllStart == -1) { |
| m_pNodeHelper->m_iCurAllStart = m_iCurStart; |
| m_pNodeHelper->m_pAllStartParent = ToNode(rnd.m_CurNode); |
| } |
| } |
| } else if (rnd.m_dwStyles & XFA_RESOLVENODE_BindNew) { |
| if (m_pNodeHelper->m_iCurAllStart == -1) { |
| m_pNodeHelper->m_iCurAllStart = m_iCurStart; |
| } |
| } |
| return; |
| } |
| if (iFoundCount == 1 && !iLen) { |
| return; |
| } |
| CFX_WideString wsIndex; |
| wsIndex = wsCondition.Mid(i, iLen - 1 - i); |
| int32_t iIndex = wsIndex.GetInteger(); |
| if (bRelative) { |
| iIndex += iCurIndex; |
| } |
| if (iFoundCount <= iIndex || iIndex < 0) { |
| if (rnd.m_dwStyles & XFA_RESOLVENODE_CreateNode) { |
| m_pNodeHelper->m_pCreateParent = ToNode(rnd.m_CurNode); |
| m_pNodeHelper->m_iCreateCount = iIndex - iFoundCount + 1; |
| } |
| findNodes.RemoveAll(); |
| } else { |
| CXFA_Node* ret = findNodes[iIndex]; |
| findNodes.RemoveAll(); |
| findNodes.Add(ret); |
| } |
| } |
| void CXFA_ResolveProcessor::DoPredicateFilter(int32_t iCurIndex, |
| CFX_WideString wsCondition, |
| int32_t iFoundCount, |
| CXFA_ResolveNodesData& rnd) { |
| CXFA_NodeArray& findNodes = (CXFA_NodeArray&)rnd.m_Nodes; |
| ASSERT(iFoundCount == findNodes.GetSize()); |
| CFX_WideString wsExpression; |
| XFA_SCRIPTLANGTYPE eLangType = XFA_SCRIPTLANGTYPE_Unkown; |
| if (wsCondition.Left(2) == FX_WSTRC(L".[") && |
| wsCondition.Right(1) == FX_WSTRC(L"]")) { |
| eLangType = XFA_SCRIPTLANGTYPE_Formcalc; |
| } else if (wsCondition.Left(2) == FX_WSTRC(L".(") && |
| wsCondition.Right(1) == FX_WSTRC(L")")) { |
| eLangType = XFA_SCRIPTLANGTYPE_Javascript; |
| } else { |
| return; |
| } |
| |
| CXFA_ScriptContext* pContext = rnd.m_pSC; |
| wsExpression = wsCondition.Mid(2, wsCondition.GetLength() - 3); |
| for (int32_t i = iFoundCount - 1; i >= 0; i--) { |
| CXFA_Object* node = findNodes[i]; |
| bool bRet = false; |
| std::unique_ptr<CFXJSE_Value> pRetValue( |
| new CFXJSE_Value(rnd.m_pSC->GetRuntime())); |
| bRet = pContext->RunScript(eLangType, wsExpression.AsStringC(), |
| pRetValue.get(), node); |
| if (!bRet || !pRetValue->ToBoolean()) |
| findNodes.RemoveAt(i); |
| } |
| } |
| |
| void CXFA_ResolveProcessor::FilterCondition(CXFA_ResolveNodesData& rnd, |
| CFX_WideString wsCondition) { |
| CXFA_NodeArray& findNodes = (CXFA_NodeArray&)rnd.m_Nodes; |
| int32_t iCurrIndex = 0; |
| const CXFA_NodeArray& array = rnd.m_pSC->GetUpObjectArray(); |
| int32_t iSize = array.GetSize(); |
| if (iSize) { |
| CXFA_Node* curNode = array[iSize - 1]; |
| bool bIsProperty = m_pNodeHelper->NodeIsProperty(curNode); |
| if (curNode->IsUnnamed() || |
| (bIsProperty && curNode->GetElementType() != XFA_Element::PageSet)) { |
| iCurrIndex = m_pNodeHelper->GetIndex(curNode, XFA_LOGIC_Transparent, |
| bIsProperty, true); |
| } else { |
| iCurrIndex = m_pNodeHelper->GetIndex(curNode, XFA_LOGIC_Transparent, |
| bIsProperty, false); |
| } |
| } |
| int32_t iFoundCount = findNodes.GetSize(); |
| wsCondition.TrimLeft(); |
| wsCondition.TrimRight(); |
| int32_t iLen = wsCondition.GetLength(); |
| if (!iLen) { |
| if (rnd.m_dwStyles & XFA_RESOLVENODE_ALL) { |
| return; |
| } |
| if (iFoundCount == 1) { |
| return; |
| } |
| if (iFoundCount <= iCurrIndex) { |
| if (rnd.m_dwStyles & XFA_RESOLVENODE_CreateNode) { |
| m_pNodeHelper->m_pCreateParent = ToNode(rnd.m_CurNode); |
| m_pNodeHelper->m_iCreateCount = iCurrIndex - iFoundCount + 1; |
| } |
| findNodes.RemoveAll(); |
| return; |
| } else { |
| CXFA_Node* ret = findNodes[iCurrIndex]; |
| findNodes.RemoveAll(); |
| findNodes.Add(ret); |
| return; |
| } |
| } |
| FX_WCHAR wTypeChar = wsCondition[0]; |
| switch (wTypeChar) { |
| case '[': |
| ConditionArray(iCurrIndex, wsCondition, iFoundCount, rnd); |
| return; |
| case '(': |
| return; |
| case '"': |
| return; |
| case '.': |
| if (iLen > 1 && (wsCondition[1] == '[' || wsCondition[1] == '(')) { |
| DoPredicateFilter(iCurrIndex, wsCondition, iFoundCount, rnd); |
| } |
| default: |
| return; |
| } |
| } |
| void CXFA_ResolveProcessor::SetStylesForChild(uint32_t dwParentStyles, |
| CXFA_ResolveNodesData& rnd) { |
| uint32_t dwSubStyles = XFA_RESOLVENODE_Children; |
| if (dwParentStyles & XFA_RESOLVENODE_TagName) { |
| dwSubStyles |= XFA_RESOLVENODE_TagName; |
| } |
| dwSubStyles &= ~XFA_RESOLVENODE_Parent; |
| dwSubStyles &= ~XFA_RESOLVENODE_Siblings; |
| dwSubStyles &= ~XFA_RESOLVENODE_Properties; |
| dwSubStyles |= XFA_RESOLVENODE_ALL; |
| rnd.m_dwStyles = dwSubStyles; |
| } |
| int32_t CXFA_ResolveProcessor::SetResultCreateNode( |
| XFA_RESOLVENODE_RS& resolveNodeRS, |
| CFX_WideString& wsLastCondition) { |
| if (m_pNodeHelper->m_pCreateParent) { |
| resolveNodeRS.nodes.Add(m_pNodeHelper->m_pCreateParent); |
| } else { |
| m_pNodeHelper->CreateNode_ForCondition(wsLastCondition); |
| } |
| resolveNodeRS.dwFlags = m_pNodeHelper->m_iCreateFlag; |
| if (resolveNodeRS.dwFlags == XFA_RESOLVENODE_RSTYPE_CreateNodeOne) { |
| if (m_pNodeHelper->m_iCurAllStart != -1) { |
| resolveNodeRS.dwFlags = XFA_RESOLVENODE_RSTYPE_CreateNodeMidAll; |
| } |
| } |
| return resolveNodeRS.nodes.GetSize(); |
| } |
| void CXFA_ResolveProcessor::SetIndexDataBind(CFX_WideString& wsNextCondition, |
| int32_t& iIndex, |
| int32_t iCount) { |
| if (m_pNodeHelper->CreateNode_ForCondition(wsNextCondition)) { |
| if (m_pNodeHelper->m_eLastCreateType == XFA_Element::DataGroup) { |
| iIndex = 0; |
| } else { |
| iIndex = iCount - 1; |
| } |
| } else { |
| iIndex = iCount - 1; |
| } |
| } |
| |
| CXFA_ResolveNodesData::CXFA_ResolveNodesData(CXFA_ScriptContext* pSC) |
| : m_pSC(pSC), |
| m_CurNode(nullptr), |
| m_wsName(), |
| m_uHashName(XFA_HASHCODE_None), |
| m_wsCondition(), |
| m_nLevel(0), |
| m_Nodes(), |
| m_dwStyles(XFA_RESOLVENODE_Children), |
| m_pScriptAttribute(nullptr), |
| m_dwFlag(XFA_RESOVENODE_RSTYPE_Nodes) {} |
| |
| CXFA_ResolveNodesData::~CXFA_ResolveNodesData() { |
| m_Nodes.RemoveAll(); |
| } |
