// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "xfa/fxfa/parser/xfa_script_resolveprocessor.h"
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#include "core/fxcrt/include/fx_ext.h"
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#include "xfa/fxfa/parser/xfa_doclayout.h"
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#include "xfa/fxfa/parser/xfa_document.h"
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#include "xfa/fxfa/parser/xfa_localemgr.h"
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#include "xfa/fxfa/parser/xfa_object.h"
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#include "xfa/fxfa/parser/xfa_script.h"
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#include "xfa/fxfa/parser/xfa_script_imp.h"
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#include "xfa/fxfa/parser/xfa_script_nodehelper.h"
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#include "xfa/fxfa/parser/xfa_utils.h"
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CXFA_ResolveProcessor::CXFA_ResolveProcessor()
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: m_iCurStart(0), m_pNodeHelper(new CXFA_NodeHelper) {}
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CXFA_ResolveProcessor::~CXFA_ResolveProcessor() {
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delete m_pNodeHelper;
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}
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int32_t CXFA_ResolveProcessor::Resolve(CXFA_ResolveNodesData& rnd) {
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if (!rnd.m_CurNode) {
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return -1;
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}
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if (!rnd.m_CurNode->IsNode()) {
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if (rnd.m_dwStyles & XFA_RESOLVENODE_Attributes) {
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return ResolveForAttributeRs(rnd.m_CurNode, rnd,
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rnd.m_wsName.AsStringC());
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}
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return 0;
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}
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if (rnd.m_dwStyles & XFA_RESOLVENODE_AnyChild) {
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return ResolveAnyChild(rnd);
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}
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FX_WCHAR wch = rnd.m_wsName.GetAt(0);
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switch (wch) {
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case '$':
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return ResolveDollar(rnd);
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case '!':
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return ResolveExcalmatory(rnd);
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case '#':
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return ResolveNumberSign(rnd);
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case '*':
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return ResolveAsterisk(rnd);
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// TODO(dsinclair): We could probably remove this.
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case '.':
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return ResolveAnyChild(rnd);
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default:
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break;
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}
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if (rnd.m_uHashName == XFA_HASHCODE_This && rnd.m_nLevel == 0) {
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rnd.m_Nodes.Add(rnd.m_pSC->GetThisObject());
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return 1;
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} else if (rnd.m_CurNode->GetElementType() == XFA_Element::Xfa) {
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CXFA_Object* pObjNode =
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rnd.m_pSC->GetDocument()->GetXFAObject(rnd.m_uHashName);
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if (pObjNode) {
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rnd.m_Nodes.Add(pObjNode);
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} else if (rnd.m_uHashName == XFA_HASHCODE_Xfa) {
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rnd.m_Nodes.Add(rnd.m_CurNode);
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} else if ((rnd.m_dwStyles & XFA_RESOLVENODE_Attributes) &&
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ResolveForAttributeRs(rnd.m_CurNode, rnd,
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rnd.m_wsName.AsStringC())) {
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return 1;
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}
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if (rnd.m_Nodes.GetSize() > 0) {
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FilterCondition(rnd, rnd.m_wsCondition);
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}
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return rnd.m_Nodes.GetSize();
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}
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int32_t nRet = ResolveNormal(rnd);
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if (nRet < 1 && rnd.m_uHashName == XFA_HASHCODE_Xfa) {
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rnd.m_Nodes.Add(rnd.m_pSC->GetDocument()->GetRoot());
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}
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return rnd.m_Nodes.GetSize();
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}
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int32_t CXFA_ResolveProcessor::ResolveAnyChild(CXFA_ResolveNodesData& rnd) {
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CFX_WideString wsName = rnd.m_wsName;
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CFX_WideString wsCondition = rnd.m_wsCondition;
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CXFA_Node* findNode = nullptr;
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CXFA_NodeArray siblings;
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FX_BOOL bClassName = FALSE;
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if (wsName.GetAt(0) == '#') {
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bClassName = TRUE;
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wsName = wsName.Right(wsName.GetLength() - 1);
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}
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findNode = m_pNodeHelper->ResolveNodes_GetOneChild(
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ToNode(rnd.m_CurNode), wsName.c_str(), bClassName);
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if (!findNode) {
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return 0;
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}
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if (wsCondition.IsEmpty()) {
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rnd.m_Nodes.Add(findNode);
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return rnd.m_Nodes.GetSize();
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}
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m_pNodeHelper->CountSiblings(findNode, XFA_LOGIC_Transparent,
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(CXFA_NodeArray*)&rnd.m_Nodes, bClassName);
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FilterCondition(rnd, wsCondition);
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return rnd.m_Nodes.GetSize();
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}
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int32_t CXFA_ResolveProcessor::ResolveDollar(CXFA_ResolveNodesData& rnd) {
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CXFA_ObjArray& nodes = rnd.m_Nodes;
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CFX_WideString wsName = rnd.m_wsName;
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CFX_WideString wsCondition = rnd.m_wsCondition;
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int32_t iNameLen = wsName.GetLength();
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if (iNameLen == 1) {
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nodes.Add(rnd.m_CurNode);
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return 1;
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}
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if (rnd.m_nLevel > 0) {
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return -1;
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}
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XFA_HashCode dwNameHash = static_cast<XFA_HashCode>(FX_HashCode_GetW(
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CFX_WideStringC(wsName.c_str() + 1, iNameLen - 1), false));
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if (dwNameHash == XFA_HASHCODE_Xfa) {
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nodes.Add(rnd.m_pSC->GetDocument()->GetRoot());
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} else {
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CXFA_Object* pObjNode = rnd.m_pSC->GetDocument()->GetXFAObject(dwNameHash);
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if (pObjNode) {
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rnd.m_Nodes.Add(pObjNode);
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}
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}
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if (rnd.m_Nodes.GetSize() > 0) {
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FilterCondition(rnd, wsCondition);
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}
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return rnd.m_Nodes.GetSize();
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}
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int32_t CXFA_ResolveProcessor::ResolveExcalmatory(CXFA_ResolveNodesData& rnd) {
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if (rnd.m_nLevel > 0) {
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return 0;
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}
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CXFA_Node* datasets =
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ToNode(rnd.m_pSC->GetDocument()->GetXFAObject(XFA_HASHCODE_Datasets));
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if (!datasets) {
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return 0;
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}
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CXFA_ResolveNodesData rndFind;
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rndFind.m_pSC = rnd.m_pSC;
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rndFind.m_CurNode = datasets;
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rndFind.m_wsName = rnd.m_wsName.Right(rnd.m_wsName.GetLength() - 1);
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rndFind.m_uHashName = static_cast<XFA_HashCode>(
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FX_HashCode_GetW(rndFind.m_wsName.AsStringC(), false));
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rndFind.m_nLevel = rnd.m_nLevel + 1;
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rndFind.m_dwStyles = XFA_RESOLVENODE_Children;
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rndFind.m_wsCondition = rnd.m_wsCondition;
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Resolve(rndFind);
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if (rndFind.m_Nodes.GetSize() > 0) {
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rnd.m_Nodes.Append(rndFind.m_Nodes);
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rndFind.m_Nodes.RemoveAll();
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}
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return rnd.m_Nodes.GetSize();
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}
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int32_t CXFA_ResolveProcessor::ResolveNumberSign(CXFA_ResolveNodesData& rnd) {
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CFX_WideString wsName = rnd.m_wsName.Right(rnd.m_wsName.GetLength() - 1);
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CFX_WideString wsCondition = rnd.m_wsCondition;
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CXFA_Node* curNode = ToNode(rnd.m_CurNode);
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if (ResolveForAttributeRs(curNode, rnd, wsName.AsStringC())) {
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return 1;
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}
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CXFA_ResolveNodesData rndFind;
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rndFind.m_pSC = rnd.m_pSC;
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rndFind.m_nLevel = rnd.m_nLevel + 1;
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rndFind.m_dwStyles = rnd.m_dwStyles;
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rndFind.m_dwStyles |= XFA_RESOLVENODE_TagName;
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rndFind.m_dwStyles &= ~XFA_RESOLVENODE_Attributes;
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rndFind.m_wsName = wsName;
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rndFind.m_uHashName = static_cast<XFA_HashCode>(
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FX_HashCode_GetW(rndFind.m_wsName.AsStringC(), false));
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rndFind.m_wsCondition = wsCondition;
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rndFind.m_CurNode = curNode;
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ResolveNormal(rndFind);
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if (rndFind.m_Nodes.GetSize() > 0) {
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if (wsCondition.GetLength() == 0 && rndFind.m_Nodes.Find(curNode) >= 0) {
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rnd.m_Nodes.Add(curNode);
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} else {
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rnd.m_Nodes.Append(rndFind.m_Nodes);
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rndFind.m_Nodes.RemoveAll();
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}
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}
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return rnd.m_Nodes.GetSize();
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}
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int32_t CXFA_ResolveProcessor::ResolveForAttributeRs(
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CXFA_Object* curNode,
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CXFA_ResolveNodesData& rnd,
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const CFX_WideStringC& strAttr) {
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const XFA_SCRIPTATTRIBUTEINFO* lpScriptAttribute =
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XFA_GetScriptAttributeByName(curNode->GetElementType(), strAttr);
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if (lpScriptAttribute) {
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rnd.m_pScriptAttribute = lpScriptAttribute;
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rnd.m_Nodes.Add(curNode);
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rnd.m_dwFlag = XFA_RESOVENODE_RSTYPE_Attribute;
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return 1;
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}
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return 0;
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}
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int32_t CXFA_ResolveProcessor::ResolveNormal(CXFA_ResolveNodesData& rnd) {
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if (rnd.m_nLevel > 32) {
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return 0;
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}
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if (!rnd.m_CurNode->IsNode()) {
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return 0;
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}
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CXFA_Node* curNode = ToNode(rnd.m_CurNode);
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CXFA_ObjArray& nodes = rnd.m_Nodes;
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int32_t nNum = nodes.GetSize();
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uint32_t dwStyles = rnd.m_dwStyles;
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CFX_WideString& wsName = rnd.m_wsName;
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XFA_HashCode uNameHash = rnd.m_uHashName;
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CFX_WideString& wsCondition = rnd.m_wsCondition;
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CXFA_ResolveNodesData rndFind;
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rndFind.m_wsName = rnd.m_wsName;
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rndFind.m_wsCondition = rnd.m_wsCondition;
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rndFind.m_pSC = rnd.m_pSC;
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rndFind.m_nLevel = rnd.m_nLevel + 1;
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rndFind.m_uHashName = uNameHash;
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CXFA_NodeArray children;
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CXFA_NodeArray properties;
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CXFA_Node* pVariablesNode = nullptr;
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CXFA_Node* pPageSetNode = nullptr;
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CXFA_Node* pChild = curNode->GetNodeItem(XFA_NODEITEM_FirstChild);
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while (pChild) {
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if (pChild->GetElementType() == XFA_Element::Variables) {
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pVariablesNode = pChild;
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pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling);
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continue;
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} else if (pChild->GetElementType() == XFA_Element::PageSet) {
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pPageSetNode = pChild;
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pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling);
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continue;
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} else {
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const XFA_PROPERTY* pPropert = XFA_GetPropertyOfElement(
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curNode->GetElementType(), pChild->GetElementType(),
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XFA_XDPPACKET_UNKNOWN);
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if (pPropert) {
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properties.Add(pChild);
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} else {
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children.Add(pChild);
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}
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}
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pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling);
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}
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if ((dwStyles & XFA_RESOLVENODE_Properties) && pVariablesNode) {
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uint32_t uPropHash = pVariablesNode->GetClassHashCode();
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if (uPropHash == uNameHash) {
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nodes.Add(pVariablesNode);
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} else {
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rndFind.m_CurNode = pVariablesNode;
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SetStylesForChild(dwStyles, rndFind);
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CFX_WideString wsSaveCondition = rndFind.m_wsCondition;
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rndFind.m_wsCondition.clear();
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ResolveNormal(rndFind);
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rndFind.m_wsCondition = wsSaveCondition;
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if (rndFind.m_Nodes.GetSize() > 0) {
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nodes.Append(rndFind.m_Nodes);
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rndFind.m_Nodes.RemoveAll();
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}
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}
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if (nodes.GetSize() > nNum) {
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FilterCondition(rnd, wsCondition);
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if (nodes.GetSize() > 0) {
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return 1;
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}
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return 0;
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}
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}
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if (dwStyles & XFA_RESOLVENODE_Children) {
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FX_BOOL bSetFlag = FALSE;
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if (pPageSetNode && (dwStyles & XFA_RESOLVENODE_Properties)) {
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children.Add(pPageSetNode);
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}
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for (int32_t i = 0; i < children.GetSize(); i++) {
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CXFA_Node* child = children[i];
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if (dwStyles & XFA_RESOLVENODE_TagName) {
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if (child->GetClassHashCode() == uNameHash) {
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nodes.Add(child);
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}
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} else if (child->GetNameHash() == uNameHash) {
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nodes.Add(child);
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}
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if (m_pNodeHelper->NodeIsTransparent(child) &&
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child->GetElementType() != XFA_Element::PageSet) {
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if (!bSetFlag) {
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SetStylesForChild(dwStyles, rndFind);
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bSetFlag = TRUE;
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}
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rndFind.m_CurNode = child;
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CFX_WideString wsSaveCondition = rndFind.m_wsCondition;
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rndFind.m_wsCondition.clear();
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ResolveNormal(rndFind);
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rndFind.m_wsCondition = wsSaveCondition;
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if (rndFind.m_Nodes.GetSize() > 0) {
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nodes.Append(rndFind.m_Nodes);
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rndFind.m_Nodes.RemoveAll();
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}
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}
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}
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if (nodes.GetSize() > nNum) {
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if (!(dwStyles & XFA_RESOLVENODE_ALL)) {
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CXFA_NodeArray upArrayNodes;
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if (m_pNodeHelper->NodeIsTransparent(ToNode(curNode))) {
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m_pNodeHelper->CountSiblings(ToNode(nodes[0]), XFA_LOGIC_Transparent,
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&upArrayNodes,
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!!(dwStyles & XFA_RESOLVENODE_TagName));
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}
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if (upArrayNodes.GetSize() > nodes.GetSize()) {
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upArrayNodes[0] = ToNode(nodes[0]);
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nodes.RemoveAll();
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nodes.Append((CXFA_ObjArray&)upArrayNodes);
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upArrayNodes.RemoveAll();
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}
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}
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FilterCondition(rnd, wsCondition);
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if (nodes.GetSize() > 0) {
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return 1;
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}
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return 0;
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}
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}
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if (dwStyles & XFA_RESOLVENODE_Attributes) {
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if (ResolveForAttributeRs(curNode, rnd, wsName.AsStringC())) {
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return 1;
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}
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}
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if (dwStyles & XFA_RESOLVENODE_Properties) {
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for (int32_t i = 0; i < properties.GetSize(); i++) {
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CXFA_Node* childProperty = properties[i];
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if (childProperty->IsUnnamed()) {
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uint32_t uPropHash = childProperty->GetClassHashCode();
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if (uPropHash == uNameHash) {
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nodes.Add(childProperty);
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}
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} else if (childProperty->GetNameHash() == uNameHash &&
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childProperty->GetElementType() != XFA_Element::Extras &&
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childProperty->GetElementType() != XFA_Element::Items) {
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nodes.Add(childProperty);
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}
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}
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if (nodes.GetSize() > nNum) {
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FilterCondition(rnd, wsCondition);
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if (nodes.GetSize() > 0) {
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return 1;
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}
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return 0;
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}
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CXFA_Node* pProp = nullptr;
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if (XFA_Element::Subform == curNode->GetElementType() &&
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XFA_HASHCODE_Occur == uNameHash) {
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CXFA_Node* pInstanceManager =
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curNode->AsNode()->GetInstanceMgrOfSubform();
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if (pInstanceManager) {
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pProp = pInstanceManager->GetProperty(0, XFA_Element::Occur, TRUE);
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}
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} else {
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XFA_Element eType = XFA_GetElementTypeForName(wsName.AsStringC());
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if (eType != XFA_Element::Unknown) {
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pProp = curNode->AsNode()->GetProperty(0, eType,
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eType != XFA_Element::PageSet);
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}
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}
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if (pProp) {
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nodes.Add(pProp);
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return nodes.GetSize();
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}
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}
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CXFA_Node* parentNode = m_pNodeHelper->ResolveNodes_GetParent(
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curNode->AsNode(), XFA_LOGIC_NoTransparent);
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uint32_t uCurClassHash = curNode->GetClassHashCode();
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if (!parentNode) {
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if (uCurClassHash == uNameHash) {
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nodes.Add(curNode->AsNode());
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FilterCondition(rnd, wsCondition);
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if (nodes.GetSize() > 0) {
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return 1;
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}
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}
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return 0;
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}
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if (dwStyles & XFA_RESOLVENODE_Siblings) {
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CXFA_Node* child = parentNode->GetNodeItem(XFA_NODEITEM_FirstChild);
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uint32_t dwSubStyles =
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XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Properties;
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if (dwStyles & XFA_RESOLVENODE_TagName) {
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dwSubStyles |= XFA_RESOLVENODE_TagName;
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}
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if (dwStyles & XFA_RESOLVENODE_ALL) {
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dwSubStyles |= XFA_RESOLVENODE_ALL;
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}
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rndFind.m_dwStyles = dwSubStyles;
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while (child) {
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if (child == curNode) {
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if (dwStyles & XFA_RESOLVENODE_TagName) {
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if (uCurClassHash == uNameHash) {
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nodes.Add(curNode);
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}
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} else {
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if (child->GetNameHash() == uNameHash) {
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nodes.Add(curNode);
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if (rnd.m_nLevel == 0 && wsCondition.GetLength() == 0) {
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nodes.RemoveAll();
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nodes.Add(curNode);
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return 1;
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}
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}
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}
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child = child->GetNodeItem(XFA_NODEITEM_NextSibling);
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continue;
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}
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if (dwStyles & XFA_RESOLVENODE_TagName) {
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if (child->GetClassHashCode() == uNameHash) {
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nodes.Add(child);
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}
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} else if (child->GetNameHash() == uNameHash) {
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nodes.Add(child);
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}
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const XFA_PROPERTY* pPropert = XFA_GetPropertyOfElement(
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parentNode->GetElementType(), child->GetElementType(),
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XFA_XDPPACKET_UNKNOWN);
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FX_BOOL bInnerSearch = FALSE;
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if (pPropert) {
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if ((child->GetElementType() == XFA_Element::Variables ||
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child->GetElementType() == XFA_Element::PageSet)) {
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bInnerSearch = TRUE;
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}
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} else {
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if (m_pNodeHelper->NodeIsTransparent(child)) {
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bInnerSearch = TRUE;
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}
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}
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if (bInnerSearch) {
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rndFind.m_CurNode = child;
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CFX_WideString wsOriginCondition = rndFind.m_wsCondition;
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rndFind.m_wsCondition.clear();
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uint32_t dwOriginStyle = rndFind.m_dwStyles;
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rndFind.m_dwStyles = dwOriginStyle | XFA_RESOLVENODE_ALL;
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ResolveNormal(rndFind);
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rndFind.m_dwStyles = dwOriginStyle;
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rndFind.m_wsCondition = wsOriginCondition;
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if (rndFind.m_Nodes.GetSize() > 0) {
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nodes.Append(rndFind.m_Nodes);
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rndFind.m_Nodes.RemoveAll();
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}
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}
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child = child->GetNodeItem(XFA_NODEITEM_NextSibling);
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}
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if (nodes.GetSize() > nNum) {
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if (m_pNodeHelper->NodeIsTransparent(parentNode)) {
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CXFA_NodeArray upArrayNodes;
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m_pNodeHelper->CountSiblings(ToNode(nodes[0]), XFA_LOGIC_Transparent,
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&upArrayNodes,
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!!(dwStyles & XFA_RESOLVENODE_TagName));
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if (upArrayNodes.GetSize() > nodes.GetSize()) {
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upArrayNodes[0] = ToNode(nodes[0]);
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nodes.RemoveAll();
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nodes.Append((CXFA_ObjArray&)upArrayNodes);
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upArrayNodes.RemoveAll();
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}
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}
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FilterCondition(rnd, wsCondition);
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if (nodes.GetSize() > 0) {
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return 1;
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}
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return 0;
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}
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}
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if (dwStyles & XFA_RESOLVENODE_Parent) {
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uint32_t dwSubStyles = XFA_RESOLVENODE_Siblings | XFA_RESOLVENODE_Parent |
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XFA_RESOLVENODE_Properties;
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if (dwStyles & XFA_RESOLVENODE_TagName) {
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dwSubStyles |= XFA_RESOLVENODE_TagName;
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}
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if (dwStyles & XFA_RESOLVENODE_ALL) {
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dwSubStyles |= XFA_RESOLVENODE_ALL;
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}
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rndFind.m_dwStyles = dwSubStyles;
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rndFind.m_CurNode = parentNode;
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CXFA_NodeArray& array = rnd.m_pSC->GetUpObjectArray();
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array.Add(parentNode);
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ResolveNormal(rndFind);
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if (rndFind.m_Nodes.GetSize() > 0) {
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nodes.Append(rndFind.m_Nodes);
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rndFind.m_Nodes.RemoveAll();
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}
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if (nodes.GetSize() > nNum) {
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return 1;
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}
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}
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return 0;
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}
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int32_t CXFA_ResolveProcessor::ResolveAsterisk(CXFA_ResolveNodesData& rnd) {
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CXFA_Node* curNode = ToNode(rnd.m_CurNode);
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CXFA_ObjArray& nodes = rnd.m_Nodes;
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CXFA_NodeArray array;
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curNode->GetNodeList(array,
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XFA_NODEFILTER_Children | XFA_NODEFILTER_Properties);
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nodes.Append((CXFA_ObjArray&)array);
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return nodes.GetSize();
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}
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int32_t CXFA_ResolveProcessor::ResolvePopStack(CFX_Int32Array& stack) {
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int32_t nType = -1;
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int32_t iSize = stack.GetSize() - 1;
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if (iSize > -1) {
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nType = stack[iSize];
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stack.RemoveAt(iSize, 1);
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}
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return nType;
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}
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int32_t CXFA_ResolveProcessor::GetFilter(const CFX_WideStringC& wsExpression,
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int32_t nStart,
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CXFA_ResolveNodesData& rnd) {
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ASSERT(nStart > -1);
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int32_t iLength = wsExpression.GetLength();
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if (nStart >= iLength) {
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return 0;
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}
|
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();
|
}
|
