// 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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#ifndef XFA_FXFA_PARSER_XFA_UTILS_H_
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#define XFA_FXFA_PARSER_XFA_UTILS_H_
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#include "xfa/fde/xml/fde_xml.h"
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#include "xfa/fgas/crt/fgas_stream.h"
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#include "xfa/fgas/crt/fgas_utils.h"
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#include "xfa/fxfa/include/fxfa_basic.h"
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class CFDE_XMLElement;
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class CFDE_XMLNode;
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class CXFA_LocaleValue;
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class CXFA_Node;
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class CXFA_WidgetData;
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FX_BOOL XFA_FDEExtension_ResolveNamespaceQualifier(
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CFDE_XMLElement* pNode,
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const CFX_WideStringC& wsQualifier,
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CFX_WideString& wsNamespaceURI);
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template <class NodeType, class TraverseStrategy>
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class CXFA_NodeIteratorTemplate {
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public:
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CXFA_NodeIteratorTemplate(NodeType* pRootNode = nullptr)
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: m_pRoot(pRootNode) {
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if (pRootNode) {
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m_NodeStack.Push(pRootNode);
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}
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}
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FX_BOOL Init(NodeType* pRootNode) {
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if (!pRootNode) {
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return FALSE;
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}
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m_pRoot = pRootNode;
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m_NodeStack.RemoveAll();
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m_NodeStack.Push(pRootNode);
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return TRUE;
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}
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void Clear() { m_NodeStack.RemoveAll(); }
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void Reset() {
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Clear();
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if (m_pRoot) {
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m_NodeStack.Push(m_pRoot);
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}
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}
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FX_BOOL SetCurrent(NodeType* pCurNode) {
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m_NodeStack.RemoveAll();
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if (pCurNode) {
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CFX_StackTemplate<NodeType*> revStack;
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NodeType* pNode;
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for (pNode = pCurNode; pNode && pNode != m_pRoot;
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pNode = TraverseStrategy::GetParent(pNode)) {
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revStack.Push(pNode);
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}
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if (!pNode) {
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return FALSE;
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}
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revStack.Push(m_pRoot);
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while (revStack.GetSize()) {
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m_NodeStack.Push(*revStack.GetTopElement());
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revStack.Pop();
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}
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}
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return TRUE;
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}
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NodeType* GetCurrent() const {
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return m_NodeStack.GetSize() ? *m_NodeStack.GetTopElement() : nullptr;
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}
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NodeType* GetRoot() const { return m_pRoot; }
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NodeType* MoveToPrev() {
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int32_t nStackLength = m_NodeStack.GetSize();
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if (nStackLength == 1) {
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return nullptr;
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} else if (nStackLength > 1) {
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NodeType* pCurItem = *m_NodeStack.GetTopElement();
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m_NodeStack.Pop();
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NodeType* pParentItem = *m_NodeStack.GetTopElement();
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NodeType* pParentFirstChildItem =
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TraverseStrategy::GetFirstChild(pParentItem);
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if (pCurItem == pParentFirstChildItem) {
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return pParentItem;
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}
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NodeType *pPrevItem = pParentFirstChildItem, *pPrevItemNext = nullptr;
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for (; pPrevItem; pPrevItem = pPrevItemNext) {
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pPrevItemNext = TraverseStrategy::GetNextSibling(pPrevItem);
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if (!pPrevItemNext || pPrevItemNext == pCurItem) {
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break;
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}
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}
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m_NodeStack.Push(pPrevItem);
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} else {
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m_NodeStack.RemoveAll();
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if (m_pRoot) {
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m_NodeStack.Push(m_pRoot);
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}
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}
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if (m_NodeStack.GetSize() > 0) {
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NodeType* pChildItem = *m_NodeStack.GetTopElement();
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while ((pChildItem = TraverseStrategy::GetFirstChild(pChildItem)) !=
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nullptr) {
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while (NodeType* pNextItem =
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TraverseStrategy::GetNextSibling(pChildItem)) {
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pChildItem = pNextItem;
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}
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m_NodeStack.Push(pChildItem);
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}
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return *m_NodeStack.GetTopElement();
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}
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return nullptr;
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}
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NodeType* MoveToNext() {
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NodeType** ppNode = nullptr;
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NodeType* pCurrent = GetCurrent();
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while (m_NodeStack.GetSize() > 0) {
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while ((ppNode = m_NodeStack.GetTopElement()) != nullptr) {
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if (pCurrent != *ppNode) {
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return *ppNode;
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}
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NodeType* pChild = TraverseStrategy::GetFirstChild(*ppNode);
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if (!pChild) {
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break;
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}
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m_NodeStack.Push(pChild);
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}
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while ((ppNode = m_NodeStack.GetTopElement()) != nullptr) {
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NodeType* pNext = TraverseStrategy::GetNextSibling(*ppNode);
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m_NodeStack.Pop();
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if (m_NodeStack.GetSize() == 0) {
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break;
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}
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if (pNext) {
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m_NodeStack.Push(pNext);
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break;
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}
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}
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}
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return nullptr;
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}
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NodeType* SkipChildrenAndMoveToNext() {
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NodeType** ppNode = nullptr;
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while ((ppNode = m_NodeStack.GetTopElement()) != nullptr) {
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NodeType* pNext = TraverseStrategy::GetNextSibling(*ppNode);
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m_NodeStack.Pop();
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if (m_NodeStack.GetSize() == 0) {
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break;
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}
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if (pNext) {
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m_NodeStack.Push(pNext);
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break;
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}
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}
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return GetCurrent();
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}
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protected:
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NodeType* m_pRoot;
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CFX_StackTemplate<NodeType*> m_NodeStack;
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};
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CXFA_LocaleValue XFA_GetLocaleValue(CXFA_WidgetData* pWidgetData);
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FX_DOUBLE XFA_ByteStringToDouble(const CFX_ByteStringC& szStringVal);
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int32_t XFA_MapRotation(int32_t nRotation);
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FX_BOOL XFA_RecognizeRichText(CFDE_XMLElement* pRichTextXMLNode);
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void XFA_GetPlainTextFromRichText(CFDE_XMLNode* pXMLNode,
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CFX_WideString& wsPlainText);
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FX_BOOL XFA_FieldIsMultiListBox(CXFA_Node* pFieldNode);
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IFX_Stream* XFA_CreateWideTextRead(const CFX_WideString& wsBuffer);
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void XFA_DataExporter_DealWithDataGroupNode(CXFA_Node* pDataNode);
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void XFA_DataExporter_RegenerateFormFile(CXFA_Node* pNode,
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IFX_Stream* pStream,
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const FX_CHAR* pChecksum = nullptr,
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FX_BOOL bSaveXML = FALSE);
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#endif // XFA_FXFA_PARSER_XFA_UTILS_H_
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