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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/include/fxfa/fxfa_basic.h"
class CFDE_XMLElement;
class CFDE_XMLNode;
class CXFA_LocaleValue;
inline FX_BOOL XFA_IsSpace(FX_WCHAR c) {
return (c == 0x20) || (c == 0x0d) || (c == 0x0a) || (c == 0x09);
}
inline FX_BOOL XFA_IsDigit(FX_WCHAR c) {
return c >= '0' && c <= '9';
}
FX_BOOL XFA_FDEExtension_ResolveNamespaceQualifier(
CFDE_XMLElement* pNode,
const CFX_WideStringC& wsQualifier,
CFX_WideString& wsNamespaceURI);
template <class NodeType, class TraverseStrategy>
class CXFA_NodeIteratorTemplate {
public:
CXFA_NodeIteratorTemplate(NodeType* pRootNode = NULL) : m_pRoot(pRootNode) {
if (pRootNode) {
m_NodeStack.Push(pRootNode);
}
}
FX_BOOL Init(NodeType* pRootNode) {
if (!pRootNode) {
return FALSE;
}
m_pRoot = pRootNode;
m_NodeStack.RemoveAll();
m_NodeStack.Push(pRootNode);
return TRUE;
}
void Clear() { m_NodeStack.RemoveAll(); }
void Reset() {
Clear();
if (m_pRoot) {
m_NodeStack.Push(m_pRoot);
}
}
FX_BOOL SetCurrent(NodeType* pCurNode) {
m_NodeStack.RemoveAll();
if (pCurNode) {
CFX_StackTemplate<NodeType*> revStack;
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() : NULL;
}
NodeType* GetRoot() const { return m_pRoot; }
NodeType* MoveToPrev() {
int32_t nStackLength = m_NodeStack.GetSize();
if (nStackLength == 1) {
return NULL;
} 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 = NULL;
for (; pPrevItem; pPrevItem = pPrevItemNext) {
pPrevItemNext = TraverseStrategy::GetNextSibling(pPrevItem);
if (!pPrevItemNext || pPrevItemNext == pCurItem) {
break;
}
}
m_NodeStack.Push(pPrevItem);
} else {
m_NodeStack.RemoveAll();
if (m_pRoot) {
m_NodeStack.Push(m_pRoot);
}
}
if (m_NodeStack.GetSize() > 0) {
NodeType* pChildItem = *m_NodeStack.GetTopElement();
while ((pChildItem = TraverseStrategy::GetFirstChild(pChildItem)) !=
NULL) {
while (NodeType* pNextItem =
TraverseStrategy::GetNextSibling(pChildItem)) {
pChildItem = pNextItem;
}
m_NodeStack.Push(pChildItem);
}
return *m_NodeStack.GetTopElement();
}
return NULL;
}
NodeType* MoveToNext() {
NodeType** ppNode = NULL;
NodeType* pCurrent = GetCurrent();
while (m_NodeStack.GetSize() > 0) {
while ((ppNode = m_NodeStack.GetTopElement())) {
if (pCurrent != *ppNode) {
return *ppNode;
}
NodeType* pChild = TraverseStrategy::GetFirstChild(*ppNode);
if (pChild == NULL) {
break;
}
m_NodeStack.Push(pChild);
}
while ((ppNode = m_NodeStack.GetTopElement())) {
NodeType* pNext = TraverseStrategy::GetNextSibling(*ppNode);
m_NodeStack.Pop();
if (m_NodeStack.GetSize() == 0) {
break;
}
if (pNext) {
m_NodeStack.Push(pNext);
break;
}
}
}
return NULL;
}
NodeType* SkipChildrenAndMoveToNext() {
NodeType** ppNode = NULL;
while ((ppNode = m_NodeStack.GetTopElement())) {
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;
};
template <class KeyType>
class CXFA_PtrSetTemplate : private CFX_MapPtrToPtr {
public:
CXFA_PtrSetTemplate() : CFX_MapPtrToPtr(10) {}
int GetCount() const { return CFX_MapPtrToPtr::GetCount(); }
FX_BOOL IsEmpty() const { return CFX_MapPtrToPtr::IsEmpty(); }
FX_BOOL Lookup(KeyType key) const {
void* pValue = NULL;
return CFX_MapPtrToPtr::Lookup((void*)key, pValue);
}
FX_BOOL operator[](KeyType key) { return Lookup(key); }
void Add(KeyType key) { CFX_MapPtrToPtr::SetAt((void*)key, (void*)key); }
FX_BOOL RemoveKey(KeyType key) {
return CFX_MapPtrToPtr::RemoveKey((void*)key);
}
void RemoveAll() { CFX_MapPtrToPtr::RemoveAll(); }
FX_POSITION GetStartPosition() const {
return CFX_MapPtrToPtr::GetStartPosition();
}
void GetNextAssoc(FX_POSITION& rNextPosition, KeyType& rKey) const {
void* pKey = NULL;
void* pValue = NULL;
CFX_MapPtrToPtr::GetNextAssoc(rNextPosition, pKey, pValue);
rKey = (KeyType)(uintptr_t)pKey;
}
};
class CXFA_Node;
class CXFA_WidgetData;
CXFA_Node* XFA_CreateUIChild(CXFA_Node* pNode, XFA_ELEMENT& eWidgetType);
CXFA_LocaleValue XFA_GetLocaleValue(CXFA_WidgetData* pWidgetData);
FX_DOUBLE XFA_WideStringToDouble(const CFX_WideString& wsStringVal);
FX_DOUBLE XFA_ByteStringToDouble(const CFX_ByteStringC& szStringVal);
int32_t XFA_MapRotation(int32_t nRotation);
FX_BOOL XFA_RecognizeRichText(CFDE_XMLElement* pRichTextXMLNode);
void XFA_GetPlainTextFromRichText(CFDE_XMLNode* pXMLNode,
CFX_WideString& wsPlainText);
FX_BOOL XFA_FieldIsMultiListBox(CXFA_Node* pFieldNode);
IFX_Stream* XFA_CreateWideTextRead(const CFX_WideString& wsBuffer);
FX_BOOL XFA_IsLayoutElement(XFA_ELEMENT eElement,
FX_BOOL bLayoutContainer = FALSE);
FX_BOOL XFA_IsTakingupSpace(XFA_ATTRIBUTEENUM ePresence);
FX_BOOL XFA_IsFlowingLayout(XFA_ATTRIBUTEENUM eLayout);
FX_BOOL XFA_IsHorizontalFlow(XFA_ATTRIBUTEENUM eLayout);
void XFA_DataExporter_DealWithDataGroupNode(CXFA_Node* pDataNode);
void XFA_DataExporter_RegenerateFormFile(CXFA_Node* pNode,
IFX_Stream* pStream,
const FX_CHAR* pChecksum = NULL,
FX_BOOL bSaveXML = FALSE);
#endif // XFA_FXFA_PARSER_XFA_UTILS_H_
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