summaryrefslogtreecommitdiff
path: root/fxjs
diff options
context:
space:
mode:
Diffstat (limited to 'fxjs')
-rw-r--r--fxjs/cfxjse_engine.cpp10
-rw-r--r--fxjs/cfxjse_engine.h4
-rw-r--r--fxjs/cfxjse_resolveprocessor.cpp799
-rw-r--r--fxjs/cfxjse_resolveprocessor.h80
4 files changed, 886 insertions, 7 deletions
diff --git a/fxjs/cfxjse_engine.cpp b/fxjs/cfxjse_engine.cpp
index fb36c6dba0..6d990f66fb 100644
--- a/fxjs/cfxjse_engine.cpp
+++ b/fxjs/cfxjse_engine.cpp
@@ -13,6 +13,7 @@
#include "core/fxcrt/fx_extension.h"
#include "fxjs/cfxjse_arguments.h"
#include "fxjs/cfxjse_class.h"
+#include "fxjs/cfxjse_resolveprocessor.h"
#include "fxjs/cfxjse_value.h"
#include "third_party/base/ptr_util.h"
#include "third_party/base/stl_util.h"
@@ -24,7 +25,6 @@
#include "xfa/fxfa/parser/cxfa_nodehelper.h"
#include "xfa/fxfa/parser/cxfa_nodelist.h"
#include "xfa/fxfa/parser/cxfa_object.h"
-#include "xfa/fxfa/parser/cxfa_resolveprocessor.h"
#include "xfa/fxfa/parser/cxfa_thisproxy.h"
#include "xfa/fxfa/parser/xfa_basic_data.h"
#include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
@@ -142,7 +142,7 @@ void CFXJSE_Engine::Initialize(v8::Isolate* pIsolate) {
m_pIsolate = pIsolate;
DefineJsContext();
DefineJsClass();
- m_ResolveProcessor = pdfium::MakeUnique<CXFA_ResolveProcessor>();
+ m_ResolveProcessor = pdfium::MakeUnique<CFXJSE_ResolveProcessor>();
}
bool CFXJSE_Engine::RunScript(XFA_SCRIPTLANGTYPE eScriptType,
@@ -574,11 +574,11 @@ int32_t CFXJSE_Engine::ResolveObjects(CXFA_Object* refObject,
m_ResolveProcessor->GetNodeHelper()->m_pCreateParent = nullptr;
m_ResolveProcessor->GetNodeHelper()->m_iCurAllStart = -1;
- CXFA_ResolveNodesData rndFind;
+ CFXJSE_ResolveNodeData rndFind(this);
int32_t nStart = 0;
int32_t nLevel = 0;
int32_t nRet = -1;
- rndFind.m_pSC = this;
+
std::vector<CXFA_Object*> findObjects;
findObjects.push_back(refObject ? refObject : m_pDocument->GetRoot());
int32_t nNodes = 0;
@@ -633,7 +633,7 @@ int32_t CFXJSE_Engine::ResolveObjects(CXFA_Object* refObject,
if (((dwStyles & XFA_RESOLVENODE_Bind) ||
(dwStyles & XFA_RESOLVENODE_CreateNode)) &&
nNodes > 1) {
- CXFA_ResolveNodesData rndBind;
+ CFXJSE_ResolveNodeData rndBind(nullptr);
m_ResolveProcessor->GetFilter(wsExpression, nStart, rndBind);
m_ResolveProcessor->SetIndexDataBind(rndBind.m_wsCondition, i, nNodes);
bDataBind = true;
diff --git a/fxjs/cfxjse_engine.h b/fxjs/cfxjse_engine.h
index 34383cac76..f901850203 100644
--- a/fxjs/cfxjse_engine.h
+++ b/fxjs/cfxjse_engine.h
@@ -19,7 +19,7 @@
#define XFA_RESOLVENODE_TagName 0x0002
-class CXFA_ResolveProcessor;
+class CFXJSE_ResolveProcessor;
class CFXJSE_Engine {
public:
@@ -116,7 +116,7 @@ class CFXJSE_Engine {
// CacheList holds the NodeList items so we can clean them up when we're done.
std::vector<std::unique_ptr<CXFA_NodeList>> m_CacheList;
std::vector<CXFA_Node*>* m_pScriptNodeArray;
- std::unique_ptr<CXFA_ResolveProcessor> m_ResolveProcessor;
+ std::unique_ptr<CFXJSE_ResolveProcessor> m_ResolveProcessor;
std::unique_ptr<CFXJSE_FormCalcContext> m_FM2JSContext;
CXFA_Object* m_pThisObject;
uint32_t m_dwBuiltInInFlags;
diff --git a/fxjs/cfxjse_resolveprocessor.cpp b/fxjs/cfxjse_resolveprocessor.cpp
new file mode 100644
index 0000000000..de4800119b
--- /dev/null
+++ b/fxjs/cfxjse_resolveprocessor.cpp
@@ -0,0 +1,799 @@
+// 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 "fxjs/cfxjse_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"
+
+CFXJSE_ResolveProcessor::CFXJSE_ResolveProcessor()
+ : m_iCurStart(0), m_pNodeHelper(pdfium::MakeUnique<CXFA_NodeHelper>()) {}
+
+CFXJSE_ResolveProcessor::~CFXJSE_ResolveProcessor() {}
+
+int32_t CFXJSE_ResolveProcessor::Resolve(CFXJSE_ResolveNodeData& 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 CFXJSE_ResolveProcessor::ResolveAnyChild(CFXJSE_ResolveNodeData& 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 CFXJSE_ResolveProcessor::ResolveDollar(CFXJSE_ResolveNodeData& 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 CFXJSE_ResolveProcessor::ResolveExcalmatory(
+ CFXJSE_ResolveNodeData& rnd) {
+ if (rnd.m_nLevel > 0)
+ return 0;
+
+ CXFA_Node* datasets =
+ ToNode(rnd.m_pSC->GetDocument()->GetXFAObject(XFA_HASHCODE_Datasets));
+ if (!datasets)
+ return 0;
+
+ CFXJSE_ResolveNodeData rndFind(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 CFXJSE_ResolveProcessor::ResolveNumberSign(
+ CFXJSE_ResolveNodeData& 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;
+
+ CFXJSE_ResolveNodeData rndFind(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 CFXJSE_ResolveProcessor::ResolveForAttributeRs(
+ CXFA_Object* curNode,
+ CFXJSE_ResolveNodeData& 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 CFXJSE_ResolveProcessor::ResolveNormal(CFXJSE_ResolveNodeData& 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;
+
+ CFXJSE_ResolveNodeData rndFind(rnd.m_pSC);
+ rndFind.m_wsName = rnd.m_wsName;
+ rndFind.m_wsCondition = rnd.m_wsCondition;
+ 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 CFXJSE_ResolveProcessor::ResolveAsterisk(CFXJSE_ResolveNodeData& 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 CFXJSE_ResolveProcessor::ResolvePopStack(std::vector<int32_t>* stack) {
+ if (stack->empty())
+ return -1;
+
+ int32_t nType = stack->back();
+ stack->pop_back();
+ return nType;
+}
+
+int32_t CFXJSE_ResolveProcessor::GetFilter(const WideStringView& wsExpression,
+ int32_t nStart,
+ CFXJSE_ResolveNodeData& 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 CFXJSE_ResolveProcessor::ConditionArray(int32_t iCurIndex,
+ WideString wsCondition,
+ int32_t iFoundCount,
+ CFXJSE_ResolveNodeData& 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 CFXJSE_ResolveProcessor::DoPredicateFilter(int32_t iCurIndex,
+ WideString wsCondition,
+ int32_t iFoundCount,
+ CFXJSE_ResolveNodeData& 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 CFXJSE_ResolveProcessor::FilterCondition(CFXJSE_ResolveNodeData& 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 CFXJSE_ResolveProcessor::SetStylesForChild(uint32_t dwParentStyles,
+ CFXJSE_ResolveNodeData& 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 CFXJSE_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 CFXJSE_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;
+ }
+}
+
+CFXJSE_ResolveNodeData::CFXJSE_ResolveNodeData(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) {}
+
+CFXJSE_ResolveNodeData::~CFXJSE_ResolveNodeData() {}
diff --git a/fxjs/cfxjse_resolveprocessor.h b/fxjs/cfxjse_resolveprocessor.h
new file mode 100644
index 0000000000..f376cca4c7
--- /dev/null
+++ b/fxjs/cfxjse_resolveprocessor.h
@@ -0,0 +1,80 @@
+// 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 FXJS_CFXJSE_RESOLVEPROCESSOR_H_
+#define FXJS_CFXJSE_RESOLVEPROCESSOR_H_
+
+#include <memory>
+#include <vector>
+
+#include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
+
+class CXFA_NodeHelper;
+class CFXJSE_Engine;
+
+class CFXJSE_ResolveNodeData {
+ public:
+ explicit CFXJSE_ResolveNodeData(CFXJSE_Engine* pSC);
+ ~CFXJSE_ResolveNodeData();
+
+ 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 CFXJSE_ResolveProcessor {
+ public:
+ CFXJSE_ResolveProcessor();
+ ~CFXJSE_ResolveProcessor();
+
+ int32_t Resolve(CFXJSE_ResolveNodeData& rnd);
+ int32_t GetFilter(const WideStringView& wsExpression,
+ int32_t nStart,
+ CFXJSE_ResolveNodeData& 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,
+ CFXJSE_ResolveNodeData& rnd,
+ const WideStringView& strAttr);
+ int32_t ResolveAnyChild(CFXJSE_ResolveNodeData& rnd);
+ int32_t ResolveDollar(CFXJSE_ResolveNodeData& rnd);
+ int32_t ResolveExcalmatory(CFXJSE_ResolveNodeData& rnd);
+ int32_t ResolveNumberSign(CFXJSE_ResolveNodeData& rnd);
+ int32_t ResolveAsterisk(CFXJSE_ResolveNodeData& rnd);
+ int32_t ResolveNormal(CFXJSE_ResolveNodeData& rnd);
+ int32_t ResolvePopStack(std::vector<int32_t>* stack);
+ void SetStylesForChild(uint32_t dwParentStyles, CFXJSE_ResolveNodeData& rnd);
+
+ void ConditionArray(int32_t iCurIndex,
+ WideString wsCondition,
+ int32_t iFoundCount,
+ CFXJSE_ResolveNodeData& rnd);
+ void DoPredicateFilter(int32_t iCurIndex,
+ WideString wsCondition,
+ int32_t iFoundCount,
+ CFXJSE_ResolveNodeData& rnd);
+ void FilterCondition(CFXJSE_ResolveNodeData& rnd, WideString wsCondition);
+
+ int32_t m_iCurStart;
+ std::unique_ptr<CXFA_NodeHelper> m_pNodeHelper;
+};
+
+#endif // FXJS_CFXJSE_RESOLVEPROCESSOR_H_
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 18:16:57 +0000