diff options
Diffstat (limited to 'xfa/fxfa/parser')
| -rw-r--r-- | xfa/fxfa/parser/cxfa_resolveprocessor.cpp | 798 | ||||
| -rw-r--r-- | xfa/fxfa/parser/cxfa_resolveprocessor.h | 80 |
2 files changed, 0 insertions, 878 deletions
diff --git a/xfa/fxfa/parser/cxfa_resolveprocessor.cpp b/xfa/fxfa/parser/cxfa_resolveprocessor.cpp deleted file mode 100644 index 6656a527d7..0000000000 --- a/xfa/fxfa/parser/cxfa_resolveprocessor.cpp +++ /dev/null @@ -1,798 +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_resolveprocessor.h" - -#include <algorithm> -#include <utility> -#include <vector> - -#include "core/fxcrt/fx_extension.h" -#include "fxjs/cfxjse_engine.h" -#include "third_party/base/ptr_util.h" -#include "third_party/base/stl_util.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_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(pdfium::MakeUnique<CXFA_NodeHelper>()) {} - -CXFA_ResolveProcessor::~CXFA_ResolveProcessor() {} - -int32_t CXFA_ResolveProcessor::Resolve(CXFA_ResolveNodesData& rnd) { - if (!rnd.m_CurObject) - return -1; - - if (!rnd.m_CurObject->IsNode()) { - if (rnd.m_dwStyles & XFA_RESOLVENODE_Attributes) { - return ResolveForAttributeRs(rnd.m_CurObject, rnd, - rnd.m_wsName.AsStringView()); - } - return 0; - } - if (rnd.m_dwStyles & XFA_RESOLVENODE_AnyChild) { - return ResolveAnyChild(rnd); - } - if (rnd.m_wsName.GetLength()) { - wchar_t wch = rnd.m_wsName[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_Objects.push_back(rnd.m_pSC->GetThisObject()); - return 1; - } - if (rnd.m_CurObject->GetElementType() == XFA_Element::Xfa) { - CXFA_Object* pObjNode = - rnd.m_pSC->GetDocument()->GetXFAObject(rnd.m_uHashName); - if (pObjNode) { - rnd.m_Objects.push_back(pObjNode); - } else if (rnd.m_uHashName == XFA_HASHCODE_Xfa) { - rnd.m_Objects.push_back(rnd.m_CurObject); - } else if ((rnd.m_dwStyles & XFA_RESOLVENODE_Attributes) && - ResolveForAttributeRs(rnd.m_CurObject, rnd, - rnd.m_wsName.AsStringView())) { - return 1; - } - if (!rnd.m_Objects.empty()) - FilterCondition(rnd, rnd.m_wsCondition); - - return pdfium::CollectionSize<int32_t>(rnd.m_Objects); - } - if (ResolveNormal(rnd) < 1 && rnd.m_uHashName == XFA_HASHCODE_Xfa) - rnd.m_Objects.push_back(rnd.m_pSC->GetDocument()->GetRoot()); - - return pdfium::CollectionSize<int32_t>(rnd.m_Objects); -} - -int32_t CXFA_ResolveProcessor::ResolveAnyChild(CXFA_ResolveNodesData& rnd) { - WideString wsName = rnd.m_wsName; - WideString wsCondition = rnd.m_wsCondition; - CXFA_Node* findNode = nullptr; - bool bClassName = false; - if (wsName.GetLength() && wsName[0] == '#') { - bClassName = true; - wsName = wsName.Right(wsName.GetLength() - 1); - } - findNode = m_pNodeHelper->ResolveNodes_GetOneChild( - ToNode(rnd.m_CurObject), wsName.c_str(), bClassName); - if (!findNode) { - return 0; - } - if (wsCondition.IsEmpty()) { - rnd.m_Objects.push_back(findNode); - return pdfium::CollectionSize<int32_t>(rnd.m_Objects); - } - std::vector<CXFA_Node*> tempNodes; - for (auto* pObject : rnd.m_Objects) - tempNodes.push_back(pObject->AsNode()); - m_pNodeHelper->CountSiblings(findNode, XFA_LOGIC_Transparent, &tempNodes, - bClassName); - rnd.m_Objects = std::vector<CXFA_Object*>(tempNodes.begin(), tempNodes.end()); - FilterCondition(rnd, wsCondition); - return pdfium::CollectionSize<int32_t>(rnd.m_Objects); -} - -int32_t CXFA_ResolveProcessor::ResolveDollar(CXFA_ResolveNodesData& rnd) { - WideString wsName = rnd.m_wsName; - WideString wsCondition = rnd.m_wsCondition; - int32_t iNameLen = wsName.GetLength(); - if (iNameLen == 1) { - rnd.m_Objects.push_back(rnd.m_CurObject); - return 1; - } - if (rnd.m_nLevel > 0) { - return -1; - } - XFA_HashCode dwNameHash = static_cast<XFA_HashCode>(FX_HashCode_GetW( - WideStringView(wsName.c_str() + 1, iNameLen - 1), false)); - if (dwNameHash == XFA_HASHCODE_Xfa) { - rnd.m_Objects.push_back(rnd.m_pSC->GetDocument()->GetRoot()); - } else { - CXFA_Object* pObjNode = rnd.m_pSC->GetDocument()->GetXFAObject(dwNameHash); - if (pObjNode) - rnd.m_Objects.push_back(pObjNode); - } - if (!rnd.m_Objects.empty()) - FilterCondition(rnd, wsCondition); - - return pdfium::CollectionSize<int32_t>(rnd.m_Objects); -} - -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_CurObject = 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.AsStringView(), false)); - rndFind.m_nLevel = rnd.m_nLevel + 1; - rndFind.m_dwStyles = XFA_RESOLVENODE_Children; - rndFind.m_wsCondition = rnd.m_wsCondition; - Resolve(rndFind); - rnd.m_Objects.insert(rnd.m_Objects.end(), rndFind.m_Objects.begin(), - rndFind.m_Objects.end()); - return pdfium::CollectionSize<int32_t>(rnd.m_Objects); -} - -int32_t CXFA_ResolveProcessor::ResolveNumberSign(CXFA_ResolveNodesData& rnd) { - WideString wsName = rnd.m_wsName.Right(rnd.m_wsName.GetLength() - 1); - WideString wsCondition = rnd.m_wsCondition; - CXFA_Node* curNode = ToNode(rnd.m_CurObject); - if (ResolveForAttributeRs(curNode, rnd, wsName.AsStringView())) - 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.AsStringView(), false)); - rndFind.m_wsCondition = wsCondition; - rndFind.m_CurObject = curNode; - ResolveNormal(rndFind); - if (rndFind.m_Objects.empty()) - return 0; - - if (wsCondition.GetLength() == 0 && - pdfium::ContainsValue(rndFind.m_Objects, curNode)) { - rnd.m_Objects.push_back(curNode); - } else { - rnd.m_Objects.insert(rnd.m_Objects.end(), rndFind.m_Objects.begin(), - rndFind.m_Objects.end()); - } - return pdfium::CollectionSize<int32_t>(rnd.m_Objects); -} - -int32_t CXFA_ResolveProcessor::ResolveForAttributeRs( - CXFA_Object* curNode, - CXFA_ResolveNodesData& rnd, - const WideStringView& strAttr) { - const XFA_SCRIPTATTRIBUTEINFO* lpScriptAttribute = - XFA_GetScriptAttributeByName(curNode->GetElementType(), strAttr); - if (!lpScriptAttribute) - return 0; - - rnd.m_pScriptAttribute = lpScriptAttribute; - rnd.m_Objects.push_back(curNode); - rnd.m_dwFlag = XFA_RESOVENODE_RSTYPE_Attribute; - return 1; -} - -int32_t CXFA_ResolveProcessor::ResolveNormal(CXFA_ResolveNodesData& rnd) { - if (rnd.m_nLevel > 32 || !rnd.m_CurObject->IsNode()) - return 0; - - CXFA_Node* curNode = rnd.m_CurObject->AsNode(); - size_t nNum = rnd.m_Objects.size(); - uint32_t dwStyles = rnd.m_dwStyles; - WideString& wsName = rnd.m_wsName; - XFA_HashCode uNameHash = rnd.m_uHashName; - 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; - std::vector<CXFA_Node*> children; - std::vector<CXFA_Node*> properties; - CXFA_Node* pVariablesNode = nullptr; - CXFA_Node* pPageSetNode = nullptr; - for (CXFA_Node* pChild = curNode->GetNodeItem(XFA_NODEITEM_FirstChild); - pChild; pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling)) { - if (pChild->GetElementType() == XFA_Element::Variables) { - pVariablesNode = pChild; - continue; - } - if (pChild->GetElementType() == XFA_Element::PageSet) { - pPageSetNode = pChild; - continue; - } - const XFA_PROPERTY* pProperty = XFA_GetPropertyOfElement( - curNode->GetElementType(), pChild->GetElementType(), - XFA_XDPPACKET_UNKNOWN); - if (pProperty) - properties.push_back(pChild); - else - children.push_back(pChild); - } - if ((dwStyles & XFA_RESOLVENODE_Properties) && pVariablesNode) { - uint32_t uPropHash = pVariablesNode->GetClassHashCode(); - if (uPropHash == uNameHash) { - rnd.m_Objects.push_back(pVariablesNode); - } else { - rndFind.m_CurObject = pVariablesNode; - SetStylesForChild(dwStyles, rndFind); - WideString wsSaveCondition = rndFind.m_wsCondition; - rndFind.m_wsCondition.clear(); - ResolveNormal(rndFind); - rndFind.m_wsCondition = wsSaveCondition; - rnd.m_Objects.insert(rnd.m_Objects.end(), rndFind.m_Objects.begin(), - rndFind.m_Objects.end()); - rndFind.m_Objects.clear(); - } - if (rnd.m_Objects.size() > nNum) { - FilterCondition(rnd, wsCondition); - return !rnd.m_Objects.empty() ? 1 : 0; - } - } - if (dwStyles & XFA_RESOLVENODE_Children) { - bool bSetFlag = false; - if (pPageSetNode && (dwStyles & XFA_RESOLVENODE_Properties)) - children.push_back(pPageSetNode); - - for (CXFA_Node* child : children) { - if (dwStyles & XFA_RESOLVENODE_TagName) { - if (child->GetClassHashCode() == uNameHash) - rnd.m_Objects.push_back(child); - } else if (child->GetNameHash() == uNameHash) { - rnd.m_Objects.push_back(child); - } - if (m_pNodeHelper->NodeIsTransparent(child) && - child->GetElementType() != XFA_Element::PageSet) { - if (!bSetFlag) { - SetStylesForChild(dwStyles, rndFind); - bSetFlag = true; - } - rndFind.m_CurObject = child; - WideString wsSaveCondition = rndFind.m_wsCondition; - rndFind.m_wsCondition.clear(); - ResolveNormal(rndFind); - rndFind.m_wsCondition = wsSaveCondition; - rnd.m_Objects.insert(rnd.m_Objects.end(), rndFind.m_Objects.begin(), - rndFind.m_Objects.end()); - rndFind.m_Objects.clear(); - } - } - if (rnd.m_Objects.size() > nNum) { - if (!(dwStyles & XFA_RESOLVENODE_ALL)) { - std::vector<CXFA_Node*> upArrayNodes; - if (m_pNodeHelper->NodeIsTransparent(ToNode(curNode))) { - m_pNodeHelper->CountSiblings(ToNode(rnd.m_Objects[0]), - XFA_LOGIC_Transparent, &upArrayNodes, - !!(dwStyles & XFA_RESOLVENODE_TagName)); - } - if (upArrayNodes.size() > rnd.m_Objects.size()) { - CXFA_Object* pSaveObject = rnd.m_Objects.front(); - rnd.m_Objects = std::vector<CXFA_Object*>(upArrayNodes.begin(), - upArrayNodes.end()); - rnd.m_Objects.front() = pSaveObject; - } - } - FilterCondition(rnd, wsCondition); - return !rnd.m_Objects.empty() ? 1 : 0; - } - } - if (dwStyles & XFA_RESOLVENODE_Attributes) { - if (ResolveForAttributeRs(curNode, rnd, wsName.AsStringView())) - return 1; - } - if (dwStyles & XFA_RESOLVENODE_Properties) { - for (CXFA_Node* pChildProperty : properties) { - if (pChildProperty->IsUnnamed()) { - if (pChildProperty->GetClassHashCode() == uNameHash) - rnd.m_Objects.push_back(pChildProperty); - continue; - } - if (pChildProperty->GetNameHash() == uNameHash && - pChildProperty->GetElementType() != XFA_Element::Extras && - pChildProperty->GetElementType() != XFA_Element::Items) { - rnd.m_Objects.push_back(pChildProperty); - } - } - if (rnd.m_Objects.size() > nNum) { - FilterCondition(rnd, wsCondition); - return !rnd.m_Objects.empty() ? 1 : 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->JSNode()->GetProperty(0, XFA_Element::Occur, - true); - } - } else { - XFA_Element eType = XFA_GetElementTypeForName(wsName.AsStringView()); - if (eType != XFA_Element::Unknown) { - pProp = curNode->AsNode()->JSNode()->GetProperty( - 0, eType, eType != XFA_Element::PageSet); - } - } - if (pProp) { - rnd.m_Objects.push_back(pProp); - return pdfium::CollectionSize<int32_t>(rnd.m_Objects); - } - } - CXFA_Node* parentNode = m_pNodeHelper->ResolveNodes_GetParent( - curNode->AsNode(), XFA_LOGIC_NoTransparent); - uint32_t uCurClassHash = curNode->GetClassHashCode(); - if (!parentNode) { - if (uCurClassHash == uNameHash) { - rnd.m_Objects.push_back(curNode->AsNode()); - FilterCondition(rnd, wsCondition); - if (!rnd.m_Objects.empty()) - 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) { - rnd.m_Objects.push_back(curNode); - } - } else { - if (child->GetNameHash() == uNameHash) { - rnd.m_Objects.push_back(curNode); - if (rnd.m_nLevel == 0 && wsCondition.GetLength() == 0) { - rnd.m_Objects.clear(); - rnd.m_Objects.push_back(curNode); - return 1; - } - } - } - child = child->GetNodeItem(XFA_NODEITEM_NextSibling); - continue; - } - if (dwStyles & XFA_RESOLVENODE_TagName) { - if (child->GetClassHashCode() == uNameHash) - rnd.m_Objects.push_back(child); - } else if (child->GetNameHash() == uNameHash) { - rnd.m_Objects.push_back(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_CurObject = child; - 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; - rnd.m_Objects.insert(rnd.m_Objects.end(), rndFind.m_Objects.begin(), - rndFind.m_Objects.end()); - rndFind.m_Objects.clear(); - } - child = child->GetNodeItem(XFA_NODEITEM_NextSibling); - } - if (rnd.m_Objects.size() > nNum) { - if (m_pNodeHelper->NodeIsTransparent(parentNode)) { - std::vector<CXFA_Node*> upArrayNodes; - m_pNodeHelper->CountSiblings(ToNode(rnd.m_Objects.front()), - XFA_LOGIC_Transparent, &upArrayNodes, - !!(dwStyles & XFA_RESOLVENODE_TagName)); - if (upArrayNodes.size() > rnd.m_Objects.size()) { - CXFA_Object* pSaveObject = rnd.m_Objects.front(); - rnd.m_Objects = std::vector<CXFA_Object*>(upArrayNodes.begin(), - upArrayNodes.end()); - rnd.m_Objects.front() = pSaveObject; - } - } - FilterCondition(rnd, wsCondition); - return !rnd.m_Objects.empty() ? 1 : 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_CurObject = parentNode; - rnd.m_pSC->GetUpObjectArray()->push_back(parentNode); - ResolveNormal(rndFind); - rnd.m_Objects.insert(rnd.m_Objects.end(), rndFind.m_Objects.begin(), - rndFind.m_Objects.end()); - rndFind.m_Objects.clear(); - if (rnd.m_Objects.size() > nNum) - return 1; - } - return 0; -} - -int32_t CXFA_ResolveProcessor::ResolveAsterisk(CXFA_ResolveNodesData& rnd) { - CXFA_Node* curNode = ToNode(rnd.m_CurObject); - std::vector<CXFA_Node*> array = - curNode->GetNodeList(XFA_NODEFILTER_Children | XFA_NODEFILTER_Properties, - XFA_Element::Unknown); - rnd.m_Objects.insert(rnd.m_Objects.end(), array.begin(), array.end()); - return pdfium::CollectionSize<int32_t>(rnd.m_Objects); -} - -int32_t CXFA_ResolveProcessor::ResolvePopStack(std::vector<int32_t>* stack) { - if (stack->empty()) - return -1; - - int32_t nType = stack->back(); - stack->pop_back(); - return nType; -} - -int32_t CXFA_ResolveProcessor::GetFilter(const WideStringView& wsExpression, - int32_t nStart, - CXFA_ResolveNodesData& rnd) { - ASSERT(nStart > -1); - int32_t iLength = wsExpression.GetLength(); - if (nStart >= iLength) { - return 0; - } - WideString& wsName = rnd.m_wsName; - WideString& wsCondition = rnd.m_wsCondition; - wchar_t* pNameBuf = wsName.GetBuffer(iLength - nStart); - wchar_t* pConditionBuf = wsCondition.GetBuffer(iLength - nStart); - int32_t nNameCount = 0; - int32_t nConditionCount = 0; - std::vector<int32_t> stack; - int32_t nType = -1; - const wchar_t* pSrc = wsExpression.unterminated_c_str(); - wchar_t 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; - } - wchar_t 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.push_back(nType); - nType = 0; - break; - case '(': - stack.push_back(nType); - nType = 1; - break; - case '"': - stack.push_back(nType); - nType = 2; - break; - } - } - wPrev = wCur; - } - if (!stack.empty()) - 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.AsStringView(), false)); - return nStart; -} -void CXFA_ResolveProcessor::ConditionArray(int32_t iCurIndex, - WideString wsCondition, - int32_t iFoundCount, - CXFA_ResolveNodesData& rnd) { - int32_t iLen = wsCondition.GetLength(); - bool bRelative = false; - bool bAll = false; - int32_t i = 1; - for (; i < iLen; ++i) { - wchar_t 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_CurObject); - m_pNodeHelper->m_iCreateCount = 1; - rnd.m_Objects.clear(); - 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_CurObject); - } - } - } 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; - } - 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_CurObject); - m_pNodeHelper->m_iCreateCount = iIndex - iFoundCount + 1; - } - rnd.m_Objects.clear(); - } else { - CXFA_Object* ret = rnd.m_Objects[iIndex]; - rnd.m_Objects.clear(); - rnd.m_Objects.push_back(ret); - } -} - -void CXFA_ResolveProcessor::DoPredicateFilter(int32_t iCurIndex, - WideString wsCondition, - int32_t iFoundCount, - CXFA_ResolveNodesData& rnd) { - ASSERT(iFoundCount == pdfium::CollectionSize<int32_t>(rnd.m_Objects)); - WideString wsExpression; - XFA_SCRIPTLANGTYPE eLangType = XFA_SCRIPTLANGTYPE_Unkown; - if (wsCondition.Left(2) == L".[" && wsCondition.Last() == L']') { - eLangType = XFA_SCRIPTLANGTYPE_Formcalc; - } else if (wsCondition.Left(2) == L".(" && wsCondition.Last() == L')') { - eLangType = XFA_SCRIPTLANGTYPE_Javascript; - } else { - return; - } - - CFXJSE_Engine* pContext = rnd.m_pSC; - wsExpression = wsCondition.Mid(2, wsCondition.GetLength() - 3); - for (int32_t i = iFoundCount - 1; i >= 0; i--) { - auto pRetValue = pdfium::MakeUnique<CFXJSE_Value>(rnd.m_pSC->GetRuntime()); - bool bRet = pContext->RunScript(eLangType, wsExpression.AsStringView(), - pRetValue.get(), rnd.m_Objects[i]); - if (!bRet || !pRetValue->ToBoolean()) - rnd.m_Objects.erase(rnd.m_Objects.begin() + i); - } -} - -void CXFA_ResolveProcessor::FilterCondition(CXFA_ResolveNodesData& rnd, - WideString wsCondition) { - int32_t iCurrIndex = 0; - const std::vector<CXFA_Node*>* pArray = rnd.m_pSC->GetUpObjectArray(); - if (!pArray->empty()) { - CXFA_Node* curNode = pArray->back(); - 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 = pdfium::CollectionSize<int32_t>(rnd.m_Objects); - 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_CurObject); - m_pNodeHelper->m_iCreateCount = iCurrIndex - iFoundCount + 1; - } - rnd.m_Objects.clear(); - return; - } else { - CXFA_Object* ret = rnd.m_Objects[iCurrIndex]; - rnd.m_Objects.clear(); - rnd.m_Objects.push_back(ret); - return; - } - } - wchar_t 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, - WideString& wsLastCondition) { - if (m_pNodeHelper->m_pCreateParent) - resolveNodeRS.objects.push_back(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 pdfium::CollectionSize<int32_t>(resolveNodeRS.objects); -} - -void CXFA_ResolveProcessor::SetIndexDataBind(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(CFXJSE_Engine* pSC) - : m_pSC(pSC), - m_CurObject(nullptr), - m_wsName(), - m_uHashName(XFA_HASHCODE_None), - m_wsCondition(), - m_nLevel(0), - m_Objects(), - m_dwStyles(XFA_RESOLVENODE_Children), - m_pScriptAttribute(nullptr), - m_dwFlag(XFA_RESOVENODE_RSTYPE_Nodes) {} - -CXFA_ResolveNodesData::~CXFA_ResolveNodesData() {} diff --git a/xfa/fxfa/parser/cxfa_resolveprocessor.h b/xfa/fxfa/parser/cxfa_resolveprocessor.h deleted file mode 100644 index c12dfdc80d..0000000000 --- a/xfa/fxfa/parser/cxfa_resolveprocessor.h +++ /dev/null @@ -1,80 +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 - -#ifndef XFA_FXFA_PARSER_CXFA_RESOLVEPROCESSOR_H_ -#define XFA_FXFA_PARSER_CXFA_RESOLVEPROCESSOR_H_ - -#include <memory> -#include <vector> - -#include "xfa/fxfa/parser/xfa_resolvenode_rs.h" - -class CXFA_NodeHelper; -class CFXJSE_Engine; - -class CXFA_ResolveNodesData { - public: - explicit CXFA_ResolveNodesData(CFXJSE_Engine* pSC = nullptr); - ~CXFA_ResolveNodesData(); - - CFXJSE_Engine* m_pSC; - CXFA_Object* m_CurObject; - WideString m_wsName; - XFA_HashCode m_uHashName; - WideString m_wsCondition; - int32_t m_nLevel; - std::vector<CXFA_Object*> m_Objects; // Not owned. - uint32_t m_dwStyles; - const XFA_SCRIPTATTRIBUTEINFO* m_pScriptAttribute; - XFA_RESOVENODE_RSTYPE m_dwFlag; -}; - -class CXFA_ResolveProcessor { - public: - CXFA_ResolveProcessor(); - ~CXFA_ResolveProcessor(); - - int32_t Resolve(CXFA_ResolveNodesData& rnd); - int32_t GetFilter(const WideStringView& wsExpression, - int32_t nStart, - CXFA_ResolveNodesData& rnd); - int32_t SetResultCreateNode(XFA_RESOLVENODE_RS& resolveNodeRS, - WideString& wsLastCondition); - void SetIndexDataBind(WideString& wsNextCondition, - int32_t& iIndex, - int32_t iCount); - void SetCurStart(int32_t start) { m_iCurStart = start; } - - CXFA_NodeHelper* GetNodeHelper() const { return m_pNodeHelper.get(); } - - private: - int32_t ResolveForAttributeRs(CXFA_Object* curNode, - CXFA_ResolveNodesData& rnd, - const WideStringView& strAttr); - int32_t ResolveAnyChild(CXFA_ResolveNodesData& rnd); - int32_t ResolveDollar(CXFA_ResolveNodesData& rnd); - int32_t ResolveExcalmatory(CXFA_ResolveNodesData& rnd); - int32_t ResolveNumberSign(CXFA_ResolveNodesData& rnd); - int32_t ResolveAsterisk(CXFA_ResolveNodesData& rnd); - int32_t ResolveNormal(CXFA_ResolveNodesData& rnd); - int32_t ResolvePopStack(std::vector<int32_t>* stack); - void SetStylesForChild(uint32_t dwParentStyles, CXFA_ResolveNodesData& rnd); - - void ConditionArray(int32_t iCurIndex, - WideString wsCondition, - int32_t iFoundCount, - CXFA_ResolveNodesData& rnd); - void DoPredicateFilter(int32_t iCurIndex, - WideString wsCondition, - int32_t iFoundCount, - CXFA_ResolveNodesData& rnd); - void FilterCondition(CXFA_ResolveNodesData& rnd, WideString wsCondition); - - int32_t m_iCurStart; - std::unique_ptr<CXFA_NodeHelper> m_pNodeHelper; -}; - -#endif // XFA_FXFA_PARSER_CXFA_RESOLVEPROCESSOR_H_ |