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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef XFA_FXFA_PARSER_XFA_UTILS_H_
#define XFA_FXFA_PARSER_XFA_UTILS_H_
#include "xfa/fde/xml/fde_xml.h"
#include "xfa/fgas/crt/fgas_stream.h"
#include "xfa/fgas/crt/fgas_utils.h"
#include "xfa/fxfa/fxfa_basic.h"
class CFDE_XMLElement;
class CFDE_XMLNode;
class CXFA_LocaleValue;
class CXFA_Node;
class CXFA_WidgetData;
bool XFA_FDEExtension_ResolveNamespaceQualifier(
CFDE_XMLElement* pNode,
const CFX_WideStringC& wsQualifier,
CFX_WideString& wsNamespaceURI);
template <class NodeType, class TraverseStrategy>
class CXFA_NodeIteratorTemplate {
public:
explicit CXFA_NodeIteratorTemplate(NodeType* pRootNode = nullptr)
: m_pRoot(pRootNode), m_NodeStack(100) {
if (pRootNode) {
m_NodeStack.Push(pRootNode);
}
}
bool Init(NodeType* pRootNode) {
if (!pRootNode) {
return false;
}
m_pRoot = pRootNode;
m_NodeStack.RemoveAll(false);
m_NodeStack.Push(pRootNode);
return true;
}
void Clear() { m_NodeStack.RemoveAll(false); }
void Reset() {
Clear();
if (m_pRoot) {
m_NodeStack.Push(m_pRoot);
}
}
bool SetCurrent(NodeType* pCurNode) {
m_NodeStack.RemoveAll(false);
if (pCurNode) {
CFX_StackTemplate<NodeType*> revStack(100);
NodeType* pNode;
for (pNode = pCurNode; pNode && pNode != m_pRoot;
pNode = TraverseStrategy::GetParent(pNode)) {
revStack.Push(pNode);
}
if (!pNode) {
return false;
}
revStack.Push(m_pRoot);
while (revStack.GetSize()) {
m_NodeStack.Push(*revStack.GetTopElement());
revStack.Pop();
}
}
return true;
}
NodeType* GetCurrent() const {
return m_NodeStack.GetSize() ? *m_NodeStack.GetTopElement() : nullptr;
}
NodeType* GetRoot() const { return m_pRoot; }
NodeType* MoveToPrev() {
int32_t nStackLength = m_NodeStack.GetSize();
if (nStackLength == 1) {
return nullptr;
} else if (nStackLength > 1) {
NodeType* pCurItem = *m_NodeStack.GetTopElement();
m_NodeStack.Pop();
NodeType* pParentItem = *m_NodeStack.GetTopElement();
NodeType* pParentFirstChildItem =
TraverseStrategy::GetFirstChild(pParentItem);
if (pCurItem == pParentFirstChildItem) {
return pParentItem;
}
NodeType *pPrevItem = pParentFirstChildItem, *pPrevItemNext = nullptr;
for (; pPrevItem; pPrevItem = pPrevItemNext) {
pPrevItemNext = TraverseStrategy::GetNextSibling(pPrevItem);
if (!pPrevItemNext || pPrevItemNext == pCurItem) {
break;
}
}
m_NodeStack.Push(pPrevItem);
} else {
m_NodeStack.RemoveAll(false);
if (m_pRoot) {
m_NodeStack.Push(m_pRoot);
}
}
if (m_NodeStack.GetSize() > 0) {
NodeType* pChildItem = *m_NodeStack.GetTopElement();
while ((pChildItem = TraverseStrategy::GetFirstChild(pChildItem)) !=
nullptr) {
while (NodeType* pNextItem =
TraverseStrategy::GetNextSibling(pChildItem)) {
pChildItem = pNextItem;
}
m_NodeStack.Push(pChildItem);
}
return *m_NodeStack.GetTopElement();
}
return nullptr;
}
NodeType* MoveToNext() {
NodeType** ppNode = nullptr;
NodeType* pCurrent = GetCurrent();
while (m_NodeStack.GetSize() > 0) {
while ((ppNode = m_NodeStack.GetTopElement()) != nullptr) {
if (pCurrent != *ppNode) {
return *ppNode;
}
NodeType* pChild = TraverseStrategy::GetFirstChild(*ppNode);
if (!pChild) {
break;
}
m_NodeStack.Push(pChild);
}
while ((ppNode = m_NodeStack.GetTopElement()) != nullptr) {
NodeType* pNext = TraverseStrategy::GetNextSibling(*ppNode);
m_NodeStack.Pop();
if (m_NodeStack.GetSize() == 0) {
break;
}
if (pNext) {
m_NodeStack.Push(pNext);
break;
}
}
}
return nullptr;
}
NodeType* SkipChildrenAndMoveToNext() {
NodeType** ppNode = nullptr;
while ((ppNode = m_NodeStack.GetTopElement()) != nullptr) {
NodeType* pNext = TraverseStrategy::GetNextSibling(*ppNode);
m_NodeStack.Pop();
if (m_NodeStack.GetSize() == 0) {
break;
}
if (pNext) {
m_NodeStack.Push(pNext);
break;
}
}
return GetCurrent();
}
protected:
NodeType* m_pRoot;
CFX_StackTemplate<NodeType*> m_NodeStack;
};
CXFA_LocaleValue XFA_GetLocaleValue(CXFA_WidgetData* pWidgetData);
FX_DOUBLE XFA_ByteStringToDouble(const CFX_ByteStringC& szStringVal);
int32_t XFA_MapRotation(int32_t nRotation);
bool XFA_RecognizeRichText(CFDE_XMLElement* pRichTextXMLNode);
void XFA_GetPlainTextFromRichText(CFDE_XMLNode* pXMLNode,
CFX_WideString& wsPlainText);
bool XFA_FieldIsMultiListBox(CXFA_Node* pFieldNode);
void XFA_DataExporter_DealWithDataGroupNode(CXFA_Node* pDataNode);
void XFA_DataExporter_RegenerateFormFile(
CXFA_Node* pNode,
const CFX_RetainPtr<IFGAS_Stream>& pStream,
const FX_CHAR* pChecksum = nullptr,
bool bSaveXML = false);
const XFA_NOTSUREATTRIBUTE* XFA_GetNotsureAttribute(
XFA_Element eElement,
XFA_ATTRIBUTE eAttribute,
XFA_ATTRIBUTETYPE eType = XFA_ATTRIBUTETYPE_NOTSURE);
const XFA_SCRIPTATTRIBUTEINFO* XFA_GetScriptAttributeByName(
XFA_Element eElement,
const CFX_WideStringC& wsAttributeName);
const XFA_PROPERTY* XFA_GetPropertyOfElement(XFA_Element eElement,
XFA_Element eProperty,
uint32_t dwPacket);
const XFA_PROPERTY* XFA_GetElementProperties(XFA_Element eElement,
int32_t& iCount);
const uint8_t* XFA_GetElementAttributes(XFA_Element eElement, int32_t& iCount);
const XFA_ELEMENTINFO* XFA_GetElementByID(XFA_Element eName);
XFA_Element XFA_GetElementTypeForName(const CFX_WideStringC& wsName);
CXFA_Measurement XFA_GetAttributeDefaultValue_Measure(XFA_Element eElement,
XFA_ATTRIBUTE eAttribute,
uint32_t dwPacket);
bool XFA_GetAttributeDefaultValue(void*& pValue,
XFA_Element eElement,
XFA_ATTRIBUTE eAttribute,
XFA_ATTRIBUTETYPE eType,
uint32_t dwPacket);
const XFA_ATTRIBUTEINFO* XFA_GetAttributeByName(const CFX_WideStringC& wsName);
const XFA_ATTRIBUTEINFO* XFA_GetAttributeByID(XFA_ATTRIBUTE eName);
const XFA_ATTRIBUTEENUMINFO* XFA_GetAttributeEnumByName(
const CFX_WideStringC& wsName);
const XFA_PACKETINFO* XFA_GetPacketByIndex(XFA_PACKET ePacket);
const XFA_PACKETINFO* XFA_GetPacketByID(uint32_t dwPacket);
#endif // XFA_FXFA_PARSER_XFA_UTILS_H_
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