diff options
Diffstat (limited to 'xfa/fxfa/parser/cxfa_resolveprocessor.cpp')
| -rw-r--r-- | xfa/fxfa/parser/cxfa_resolveprocessor.cpp | 826 |
1 files changed, 826 insertions, 0 deletions
diff --git a/xfa/fxfa/parser/cxfa_resolveprocessor.cpp b/xfa/fxfa/parser/cxfa_resolveprocessor.cpp new file mode 100644 index 0000000000..b6894c483a --- /dev/null +++ b/xfa/fxfa/parser/cxfa_resolveprocessor.cpp @@ -0,0 +1,826 @@ +// 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/include/fx_ext.h" +#include "xfa/fxfa/parser/cxfa_nodehelper.h" +#include "xfa/fxfa/parser/cxfa_scriptcontext.h" +#include "xfa/fxfa/parser/xfa_doclayout.h" +#include "xfa/fxfa/parser/xfa_document.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() { + delete m_pNodeHelper; +} + +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; + FX_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) { + FX_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); + FX_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_Int32Array& 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_Int32Array stack; + int32_t nType = -1; + const FX_WCHAR* pSrc = wsExpression.c_str(); + FX_WCHAR wPrev = 0, wCur; + FX_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; + } + FX_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(); + FX_BOOL bRelative = FALSE; + FX_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]; + FX_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]; + FX_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(); +} |