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Diffstat (limited to 'xfa/fxfa/parser/xfa_utils.h')
| -rw-r--r-- | xfa/fxfa/parser/xfa_utils.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/xfa/fxfa/parser/xfa_utils.h b/xfa/fxfa/parser/xfa_utils.h new file mode 100644 index 0000000000..6cc17d97c0 --- /dev/null +++ b/xfa/fxfa/parser/xfa_utils.h @@ -0,0 +1,219 @@ +// 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 CXFA_LocaleValue; + +FX_BOOL XFA_FDEExtension_ResolveNamespaceQualifier( + IFDE_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); +CFX_WideString XFA_NumericLimit(const CFX_WideString& wsValue, + int32_t iLead, + int32_t iTread); +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(IFDE_XMLElement* pRichTextXMLNode); +void XFA_GetPlainTextFromRichText(IFDE_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_ |