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Diffstat (limited to 'xfa/src/fxfa/parser/xfa_script_nodehelper.cpp')
-rw-r--r--xfa/src/fxfa/parser/xfa_script_nodehelper.cpp429
1 files changed, 429 insertions, 0 deletions
diff --git a/xfa/src/fxfa/parser/xfa_script_nodehelper.cpp b/xfa/src/fxfa/parser/xfa_script_nodehelper.cpp
new file mode 100644
index 0000000000..e2f047591e
--- /dev/null
+++ b/xfa/src/fxfa/parser/xfa_script_nodehelper.cpp
@@ -0,0 +1,429 @@
+// 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/src/fxfa/parser/xfa_script_nodehelper.h"
+
+#include "core/include/fxcrt/fx_ext.h"
+#include "xfa/src/fxfa/fm2js/xfa_fm2jsapi.h"
+#include "xfa/src/fxfa/parser/xfa_docdata.h"
+#include "xfa/src/fxfa/parser/xfa_doclayout.h"
+#include "xfa/src/fxfa/parser/xfa_document.h"
+#include "xfa/src/fxfa/parser/xfa_localemgr.h"
+#include "xfa/src/fxfa/parser/xfa_script_imp.h"
+#include "xfa/src/fxfa/parser/xfa_object.h"
+#include "xfa/src/fxfa/parser/xfa_parser.h"
+#include "xfa/src/fxfa/parser/xfa_script.h"
+#include "xfa/src/fxfa/parser/xfa_utils.h"
+
+CXFA_NodeHelper::CXFA_NodeHelper(void)
+ : m_eLastCreateType(XFA_ELEMENT_DataValue),
+ m_pCreateParent(NULL),
+ m_iCreateCount(0),
+ m_iCreateFlag(XFA_RESOLVENODE_RSTYPE_CreateNodeOne),
+ m_iCurAllStart(-1),
+ m_pAllStartParent(NULL) {}
+CXFA_NodeHelper::~CXFA_NodeHelper(void) {}
+CXFA_Node* CXFA_NodeHelper::XFA_ResolveNodes_GetOneChild(
+ CXFA_Node* parent,
+ const FX_WCHAR* pwsName,
+ FX_BOOL bIsClassName) {
+ if (parent == NULL) {
+ return NULL;
+ }
+ CXFA_NodeArray siblings;
+ uint32_t uNameHash = FX_HashCode_String_GetW(pwsName, FXSYS_wcslen(pwsName));
+ XFA_NodeAcc_TraverseAnySiblings(parent, uNameHash, &siblings, bIsClassName);
+ if (siblings.GetSize() == 0) {
+ return NULL;
+ }
+ return siblings[0];
+}
+int32_t CXFA_NodeHelper::XFA_CountSiblings(CXFA_Node* pNode,
+ XFA_LOGIC_TYPE eLogicType,
+ CXFA_NodeArray* pSiblings,
+ FX_BOOL bIsClassName) {
+ if (!pNode)
+ return 0;
+ CXFA_Node* parent =
+ XFA_ResolveNodes_GetParent(pNode, XFA_LOGIC_NoTransparent);
+ if (!parent)
+ return 0;
+ const XFA_PROPERTY* pProperty = XFA_GetPropertyOfElement(
+ parent->GetClassID(), pNode->GetClassID(), XFA_XDPPACKET_UNKNOWN);
+ if (!pProperty && eLogicType == XFA_LOGIC_Transparent) {
+ parent = XFA_ResolveNodes_GetParent(pNode, XFA_LOGIC_Transparent);
+ if (parent == NULL) {
+ return 0;
+ }
+ }
+ if (bIsClassName) {
+ return XFA_NodeAcc_TraverseSiblings(parent, pNode->GetClassHashCode(),
+ pSiblings, eLogicType, bIsClassName);
+ } else {
+ return XFA_NodeAcc_TraverseSiblings(parent, pNode->GetNameHash(), pSiblings,
+ eLogicType, bIsClassName);
+ }
+}
+int32_t CXFA_NodeHelper::XFA_NodeAcc_TraverseAnySiblings(
+ CXFA_Node* parent,
+ FX_DWORD dNameHash,
+ CXFA_NodeArray* pSiblings,
+ FX_BOOL bIsClassName) {
+ if (parent == NULL || pSiblings == NULL) {
+ return 0;
+ }
+ int32_t nCount = 0;
+ int32_t i = 0;
+ CXFA_NodeArray properties;
+ parent->GetNodeList(properties, XFA_NODEFILTER_Properties);
+ int32_t nProperties = properties.GetSize();
+ for (i = 0; i < nProperties; ++i) {
+ CXFA_Node* child = properties[i];
+ if (bIsClassName) {
+ if (child->GetClassHashCode() == dNameHash) {
+ pSiblings->Add(child);
+ nCount++;
+ }
+ } else {
+ if (child->GetNameHash() == dNameHash) {
+ pSiblings->Add(child);
+ nCount++;
+ }
+ }
+ if (nCount > 0) {
+ return nCount;
+ }
+ nCount += XFA_NodeAcc_TraverseAnySiblings(child, dNameHash, pSiblings,
+ bIsClassName);
+ }
+ CXFA_NodeArray children;
+ parent->GetNodeList(children, XFA_NODEFILTER_Children);
+ int32_t nChildren = children.GetSize();
+ for (i = 0; i < nChildren; i++) {
+ CXFA_Node* child = children[i];
+ if (bIsClassName) {
+ if (child->GetClassHashCode() == dNameHash) {
+ if (pSiblings) {
+ pSiblings->Add(child);
+ }
+ nCount++;
+ }
+ } else {
+ if (child->GetNameHash() == dNameHash) {
+ if (pSiblings) {
+ pSiblings->Add(child);
+ }
+ nCount++;
+ }
+ }
+ if (nCount > 0) {
+ return nCount;
+ }
+ nCount += XFA_NodeAcc_TraverseAnySiblings(child, dNameHash, pSiblings,
+ bIsClassName);
+ }
+ return nCount;
+}
+int32_t CXFA_NodeHelper::XFA_NodeAcc_TraverseSiblings(CXFA_Node* parent,
+ FX_DWORD dNameHash,
+ CXFA_NodeArray* pSiblings,
+ XFA_LOGIC_TYPE eLogicType,
+ FX_BOOL bIsClassName,
+ FX_BOOL bIsFindProperty) {
+ if (parent == NULL || pSiblings == NULL) {
+ return 0;
+ }
+ int32_t nCount = 0;
+ int32_t i = 0;
+ if (bIsFindProperty) {
+ CXFA_NodeArray properties;
+ parent->GetNodeList(properties, XFA_NODEFILTER_Properties);
+ int32_t nProperties = properties.GetSize();
+ for (i = 0; i < nProperties; ++i) {
+ CXFA_Node* child = properties[i];
+ if (bIsClassName) {
+ if (child->GetClassHashCode() == dNameHash) {
+ pSiblings->Add(child);
+ nCount++;
+ }
+ } else {
+ if (child->GetNameHash() == dNameHash) {
+ if (child->GetClassID() != XFA_ELEMENT_PageSet &&
+ child->GetClassID() != XFA_ELEMENT_Extras &&
+ child->GetClassID() != XFA_ELEMENT_Items) {
+ pSiblings->Add(child);
+ nCount++;
+ }
+ }
+ }
+ if (child->IsUnnamed() && child->GetClassID() == XFA_ELEMENT_PageSet) {
+ nCount += XFA_NodeAcc_TraverseSiblings(child, dNameHash, pSiblings,
+ eLogicType, bIsClassName, FALSE);
+ }
+ }
+ if (nCount > 0) {
+ return nCount;
+ }
+ }
+ CXFA_NodeArray children;
+ parent->GetNodeList(children, XFA_NODEFILTER_Children);
+ int32_t nChildren = children.GetSize();
+ for (i = 0; i < nChildren; i++) {
+ CXFA_Node* child = children[i];
+ if (child->GetClassID() == XFA_ELEMENT_Variables) {
+ continue;
+ }
+ if (bIsClassName) {
+ if (child->GetClassHashCode() == dNameHash) {
+ if (pSiblings) {
+ pSiblings->Add(child);
+ }
+ nCount++;
+ }
+ } else {
+ if (child->GetNameHash() == dNameHash) {
+ if (pSiblings) {
+ pSiblings->Add(child);
+ }
+ nCount++;
+ }
+ }
+ if (eLogicType == XFA_LOGIC_NoTransparent) {
+ continue;
+ }
+ if (XFA_NodeIsTransparent(child) &&
+ child->GetClassID() != XFA_ELEMENT_PageSet) {
+ nCount += XFA_NodeAcc_TraverseSiblings(child, dNameHash, pSiblings,
+ eLogicType, bIsClassName, FALSE);
+ }
+ }
+ return nCount;
+}
+CXFA_Node* CXFA_NodeHelper::XFA_ResolveNodes_GetParent(
+ CXFA_Node* pNode,
+ XFA_LOGIC_TYPE eLogicType) {
+ if (!pNode) {
+ return NULL;
+ }
+ if (eLogicType == XFA_LOGIC_NoTransparent) {
+ return pNode->GetNodeItem(XFA_NODEITEM_Parent);
+ }
+ CXFA_Node* parent;
+ CXFA_Node* node = pNode;
+ while (TRUE) {
+ parent = XFA_ResolveNodes_GetParent(node);
+ if (parent == NULL) {
+ break;
+ }
+ XFA_ELEMENT parentElement = parent->GetClassID();
+ if ((!parent->IsUnnamed() && parentElement != XFA_ELEMENT_SubformSet) ||
+ parentElement == XFA_ELEMENT_Variables) {
+ break;
+ }
+ node = parent;
+ }
+ return parent;
+}
+int32_t CXFA_NodeHelper::XFA_GetIndex(CXFA_Node* pNode,
+ XFA_LOGIC_TYPE eLogicType,
+ FX_BOOL bIsProperty,
+ FX_BOOL bIsClassIndex) {
+ CXFA_Node* parent =
+ XFA_ResolveNodes_GetParent(pNode, XFA_LOGIC_NoTransparent);
+ if (parent == NULL) {
+ return 0;
+ }
+ if (!bIsProperty && eLogicType == XFA_LOGIC_Transparent) {
+ parent = XFA_ResolveNodes_GetParent(pNode, XFA_LOGIC_Transparent);
+ if (parent == NULL) {
+ return 0;
+ }
+ }
+ FX_DWORD dwHashName = pNode->GetNameHash();
+ if (bIsClassIndex) {
+ dwHashName = pNode->GetClassHashCode();
+ }
+ CXFA_NodeArray siblings;
+ int32_t iSize = XFA_NodeAcc_TraverseSiblings(parent, dwHashName, &siblings,
+ eLogicType, bIsClassIndex);
+ for (int32_t i = 0; i < iSize; ++i) {
+ CXFA_Node* child = siblings[i];
+ if (child == pNode) {
+ return i;
+ }
+ }
+ return 0;
+}
+void CXFA_NodeHelper::XFA_GetNameExpression(CXFA_Node* refNode,
+ CFX_WideString& wsName,
+ FX_BOOL bIsAllPath,
+ XFA_LOGIC_TYPE eLogicType) {
+ wsName.Empty();
+ if (bIsAllPath) {
+ XFA_GetNameExpression(refNode, wsName, FALSE, eLogicType);
+ CFX_WideString wsParent;
+ CXFA_Node* parent =
+ XFA_ResolveNodes_GetParent(refNode, XFA_LOGIC_NoTransparent);
+ while (parent) {
+ XFA_GetNameExpression(parent, wsParent, FALSE, eLogicType);
+ wsParent += L".";
+ wsParent += wsName;
+ wsName = wsParent;
+ parent = XFA_ResolveNodes_GetParent(parent, XFA_LOGIC_NoTransparent);
+ }
+ return;
+ }
+
+ CFX_WideStringC wsTagName;
+ CFX_WideString ws;
+ FX_BOOL bIsProperty = XFA_NodeIsProperty(refNode);
+ if (refNode->IsUnnamed() ||
+ (bIsProperty && refNode->GetClassID() != XFA_ELEMENT_PageSet)) {
+ refNode->GetClassName(wsTagName);
+ ws = wsTagName;
+ wsName.Format(L"#%s[%d]", (const FX_WCHAR*)ws,
+ XFA_GetIndex(refNode, eLogicType, bIsProperty, TRUE));
+ return;
+ }
+ ws = refNode->GetCData(XFA_ATTRIBUTE_Name);
+ ws.Replace(L".", L"\\.");
+ wsName.Format(L"%s[%d]", (const FX_WCHAR*)ws,
+ XFA_GetIndex(refNode, eLogicType, bIsProperty, FALSE));
+}
+
+FX_BOOL CXFA_NodeHelper::XFA_NodeIsTransparent(CXFA_Node* refNode) {
+ if (refNode == NULL) {
+ return FALSE;
+ }
+ XFA_ELEMENT eRefNode = refNode->GetClassID();
+ if ((refNode->IsUnnamed() && refNode->IsContainerNode()) ||
+ eRefNode == XFA_ELEMENT_SubformSet || eRefNode == XFA_ELEMENT_Area ||
+ eRefNode == XFA_ELEMENT_Proto) {
+ return TRUE;
+ }
+ return FALSE;
+}
+FX_BOOL CXFA_NodeHelper::XFA_CreateNode_ForCondition(
+ CFX_WideString& wsCondition) {
+ int32_t iLen = wsCondition.GetLength();
+ CFX_WideString wsIndex = FX_WSTRC(L"0");
+ FX_BOOL bAll = FALSE;
+
+ if (iLen == 0) {
+ m_iCreateFlag = XFA_RESOLVENODE_RSTYPE_CreateNodeOne;
+ return FALSE;
+ }
+ if (wsCondition.GetAt(0) == '[') {
+ int32_t i = 1;
+ for (; i < iLen; ++i) {
+ FX_WCHAR ch = wsCondition[i];
+ if (ch == ' ') {
+ continue;
+ }
+ if (ch == '+' || ch == '-') {
+ break;
+ } else if (ch == '*') {
+ bAll = TRUE;
+ break;
+ } else {
+ break;
+ }
+ }
+ if (bAll) {
+ wsIndex = FX_WSTRC(L"1");
+ m_iCreateFlag = XFA_RESOLVENODE_RSTYPE_CreateNodeAll;
+ } else {
+ m_iCreateFlag = XFA_RESOLVENODE_RSTYPE_CreateNodeOne;
+ wsIndex = wsCondition.Mid(i, iLen - 1 - i);
+ }
+ int32_t iIndex = wsIndex.GetInteger();
+ m_iCreateCount = iIndex;
+ return TRUE;
+ }
+ return FALSE;
+}
+FX_BOOL CXFA_NodeHelper::XFA_ResolveNodes_CreateNode(
+ CFX_WideString wsName,
+ CFX_WideString wsCondition,
+ FX_BOOL bLastNode,
+ CXFA_ScriptContext* pScriptContext) {
+ if (m_pCreateParent == NULL) {
+ return FALSE;
+ }
+ FX_BOOL bIsClassName = FALSE;
+ FX_BOOL bResult = FALSE;
+ if (wsName.GetAt(0) == '!') {
+ wsName = wsName.Right(wsName.GetLength() - 1);
+ m_pCreateParent = ToNode(
+ pScriptContext->GetDocument()->GetXFAObject(XFA_HASHCODE_Datasets));
+ }
+ if (wsName.GetAt(0) == '#') {
+ bIsClassName = TRUE;
+ wsName = wsName.Right(wsName.GetLength() - 1);
+ }
+ if (m_iCreateCount == 0) {
+ XFA_CreateNode_ForCondition(wsCondition);
+ }
+ if (bIsClassName) {
+ const XFA_ELEMENTINFO* lpElement = XFA_GetElementByName(wsName);
+ if (lpElement == NULL) {
+ return FALSE;
+ }
+ for (int32_t iIndex = 0; iIndex < m_iCreateCount; iIndex++) {
+ CXFA_Node* pNewNode =
+ m_pCreateParent->CreateSamePacketNode(lpElement->eName);
+ if (pNewNode) {
+ m_pCreateParent->InsertChild(pNewNode);
+ if (iIndex == m_iCreateCount - 1) {
+ m_pCreateParent = pNewNode;
+ }
+ bResult = TRUE;
+ }
+ }
+ } else {
+ XFA_ELEMENT eClassType = XFA_ELEMENT_DataGroup;
+ if (bLastNode) {
+ eClassType = m_eLastCreateType;
+ }
+ for (int32_t iIndex = 0; iIndex < m_iCreateCount; iIndex++) {
+ CXFA_Node* pNewNode = m_pCreateParent->CreateSamePacketNode(eClassType);
+ if (pNewNode) {
+ pNewNode->SetAttribute(XFA_ATTRIBUTE_Name, wsName);
+ pNewNode->CreateXMLMappingNode();
+ m_pCreateParent->InsertChild(pNewNode);
+ if (iIndex == m_iCreateCount - 1) {
+ m_pCreateParent = pNewNode;
+ }
+ bResult = TRUE;
+ }
+ }
+ }
+ if (!bResult) {
+ m_pCreateParent = NULL;
+ }
+ return bResult;
+}
+void CXFA_NodeHelper::XFA_SetCreateNodeType(CXFA_Node* refNode) {
+ if (refNode == NULL) {
+ return;
+ }
+ if (refNode->GetClassID() == XFA_ELEMENT_Subform) {
+ m_eLastCreateType = XFA_ELEMENT_DataGroup;
+ } else if (refNode->GetClassID() == XFA_ELEMENT_Field) {
+ m_eLastCreateType = XFA_FieldIsMultiListBox(refNode)
+ ? XFA_ELEMENT_DataGroup
+ : XFA_ELEMENT_DataValue;
+ } else if (refNode->GetClassID() == XFA_ELEMENT_ExclGroup) {
+ m_eLastCreateType = XFA_ELEMENT_DataValue;
+ }
+}
+FX_BOOL CXFA_NodeHelper::XFA_NodeIsProperty(CXFA_Node* refNode) {
+ CXFA_Node* parent =
+ XFA_ResolveNodes_GetParent(refNode, XFA_LOGIC_NoTransparent);
+ return parent && refNode &&
+ XFA_GetPropertyOfElement(parent->GetClassID(), refNode->GetClassID(),
+ XFA_XDPPACKET_UNKNOWN);
+}