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path: root/xfa/fxfa/parser/cxfa_resolveprocessor.cpp
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Diffstat (limited to 'xfa/fxfa/parser/cxfa_resolveprocessor.cpp')
-rw-r--r--xfa/fxfa/parser/cxfa_resolveprocessor.cpp798
1 files changed, 0 insertions, 798 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() {}