diff options
Diffstat (limited to 'xfa/fxfa/parser/cxfa_dataexporter.cpp')
| -rw-r--r-- | xfa/fxfa/parser/cxfa_dataexporter.cpp | 444 |
1 files changed, 1 insertions, 443 deletions
diff --git a/xfa/fxfa/parser/cxfa_dataexporter.cpp b/xfa/fxfa/parser/cxfa_dataexporter.cpp index 02c316d920..2b5f3e6755 100644 --- a/xfa/fxfa/parser/cxfa_dataexporter.cpp +++ b/xfa/fxfa/parser/cxfa_dataexporter.cpp @@ -6,10 +6,6 @@ #include "xfa/fxfa/parser/cxfa_dataexporter.h" -#include <vector> - -#include "core/fxcrt/cfx_memorystream.h" -#include "core/fxcrt/cfx_widetextbuf.h" #include "core/fxcrt/fx_codepage.h" #include "core/fxcrt/xml/cfx_xmldoc.h" #include "core/fxcrt/xml/cfx_xmlelement.h" @@ -20,444 +16,6 @@ #include "xfa/fxfa/parser/cxfa_widgetdata.h" #include "xfa/fxfa/parser/xfa_utils.h" -namespace { - -constexpr const wchar_t kFormNS[] = L"http://www.xfa.org/schema/xfa-form/"; - -WideString ExportEncodeAttribute(const WideString& str) { - CFX_WideTextBuf textBuf; - int32_t iLen = str.GetLength(); - for (int32_t i = 0; i < iLen; i++) { - switch (str[i]) { - case '&': - textBuf << L"&"; - break; - case '<': - textBuf << L"<"; - break; - case '>': - textBuf << L">"; - break; - case '\'': - textBuf << L"'"; - break; - case '\"': - textBuf << L"""; - break; - default: - textBuf.AppendChar(str[i]); - } - } - return textBuf.MakeString(); -} - -bool IsXMLValidChar(wchar_t ch) { - return ch == 0x09 || ch == 0x0A || ch == 0x0D || - (ch >= 0x20 && ch <= 0xD7FF) || (ch >= 0xE000 && ch <= 0xFFFD); -} - -WideString ExportEncodeContent(const WideString& str) { - CFX_WideTextBuf textBuf; - int32_t iLen = str.GetLength(); - for (int32_t i = 0; i < iLen; i++) { - wchar_t ch = str[i]; - if (!IsXMLValidChar(ch)) - continue; - - if (ch == '&') { - textBuf << L"&"; - } else if (ch == '<') { - textBuf << L"<"; - } else if (ch == '>') { - textBuf << L">"; - } else if (ch == '\'') { - textBuf << L"'"; - } else if (ch == '\"') { - textBuf << L"""; - } else if (ch == ' ') { - if (i && str[i - 1] != ' ') { - textBuf.AppendChar(' '); - } else { - textBuf << L" "; - } - } else { - textBuf.AppendChar(str[i]); - } - } - return textBuf.MakeString(); -} - -void SaveAttribute(CXFA_Node* pNode, - XFA_Attribute eName, - const WideString& wsName, - bool bProto, - WideString& wsOutput) { - if (!bProto && !pNode->JSNode()->HasAttribute(eName)) - return; - - pdfium::Optional<WideString> value = - pNode->JSNode()->TryAttribute(eName, false); - if (!value) - return; - - wsOutput += L" "; - wsOutput += wsName; - wsOutput += L"=\""; - wsOutput += ExportEncodeAttribute(*value); - wsOutput += L"\""; -} - -bool AttributeSaveInDataModel(CXFA_Node* pNode, XFA_Attribute eAttribute) { - bool bSaveInDataModel = false; - if (pNode->GetElementType() != XFA_Element::Image) - return bSaveInDataModel; - - CXFA_Node* pValueNode = pNode->GetNodeItem(XFA_NODEITEM_Parent); - if (!pValueNode || pValueNode->GetElementType() != XFA_Element::Value) - return bSaveInDataModel; - - CXFA_Node* pFieldNode = pValueNode->GetNodeItem(XFA_NODEITEM_Parent); - if (pFieldNode && pFieldNode->GetBindData() && - eAttribute == XFA_Attribute::Href) { - bSaveInDataModel = true; - } - return bSaveInDataModel; -} - -bool ContentNodeNeedtoExport(CXFA_Node* pContentNode) { - pdfium::Optional<WideString> wsContent = - pContentNode->JSNode()->TryContent(false, false); - if (!wsContent) - return false; - - ASSERT(pContentNode->IsContentNode()); - CXFA_Node* pParentNode = pContentNode->GetNodeItem(XFA_NODEITEM_Parent); - if (!pParentNode || pParentNode->GetElementType() != XFA_Element::Value) - return true; - - CXFA_Node* pGrandParentNode = pParentNode->GetNodeItem(XFA_NODEITEM_Parent); - if (!pGrandParentNode || !pGrandParentNode->IsContainerNode()) - return true; - if (pGrandParentNode->GetBindData()) - return false; - - CXFA_WidgetData* pWidgetData = pGrandParentNode->GetWidgetData(); - XFA_Element eUIType = pWidgetData->GetUIType(); - if (eUIType == XFA_Element::PasswordEdit) - return false; - return true; -} - -void RecognizeXFAVersionNumber(CXFA_Node* pTemplateRoot, - WideString& wsVersionNumber) { - wsVersionNumber.clear(); - if (!pTemplateRoot) - return; - - pdfium::Optional<WideString> templateNS = - pTemplateRoot->JSNode()->TryNamespace(); - if (!templateNS) - return; - - XFA_VERSION eVersion = - pTemplateRoot->GetDocument()->RecognizeXFAVersionNumber(*templateNS); - if (eVersion == XFA_VERSION_UNKNOWN) - eVersion = XFA_VERSION_DEFAULT; - - wsVersionNumber = - WideString::Format(L"%i.%i", eVersion / 100, eVersion % 100); -} - -void RegenerateFormFile_Changed(CXFA_Node* pNode, - CFX_WideTextBuf& buf, - bool bSaveXML) { - WideString wsAttrs; - for (size_t i = 0;; ++i) { - XFA_Attribute attr = pNode->GetAttribute(i); - if (attr == XFA_Attribute::Unknown) - break; - - if (attr == XFA_Attribute::Name || - (AttributeSaveInDataModel(pNode, attr) && !bSaveXML)) { - continue; - } - WideString wsAttr; - SaveAttribute(pNode, attr, CXFA_Node::AttributeToName(attr), bSaveXML, - wsAttr); - wsAttrs += wsAttr; - } - - WideString wsChildren; - switch (pNode->GetObjectType()) { - case XFA_ObjectType::ContentNode: { - if (!bSaveXML && !ContentNodeNeedtoExport(pNode)) - break; - - CXFA_Node* pRawValueNode = pNode->GetNodeItem(XFA_NODEITEM_FirstChild); - while (pRawValueNode && - pRawValueNode->GetElementType() != XFA_Element::SharpxHTML && - pRawValueNode->GetElementType() != XFA_Element::Sharptext && - pRawValueNode->GetElementType() != XFA_Element::Sharpxml) { - pRawValueNode = pRawValueNode->GetNodeItem(XFA_NODEITEM_NextSibling); - } - if (!pRawValueNode) - break; - - pdfium::Optional<WideString> contentType = - pNode->JSNode()->TryAttribute(XFA_Attribute::ContentType, false); - if (pRawValueNode->GetElementType() == XFA_Element::SharpxHTML && - (contentType && *contentType == L"text/html")) { - CFX_XMLNode* pExDataXML = pNode->GetXMLMappingNode(); - if (!pExDataXML) - break; - - CFX_XMLNode* pRichTextXML = - pExDataXML->GetNodeItem(CFX_XMLNode::FirstChild); - if (!pRichTextXML) - break; - - auto pMemStream = pdfium::MakeRetain<CFX_MemoryStream>(true); - auto pTempStream = - pdfium::MakeRetain<CFX_SeekableStreamProxy>(pMemStream, true); - - pTempStream->SetCodePage(FX_CODEPAGE_UTF8); - pRichTextXML->SaveXMLNode(pTempStream); - wsChildren += WideString::FromUTF8( - ByteStringView(pMemStream->GetBuffer(), pMemStream->GetSize())); - } else if (pRawValueNode->GetElementType() == XFA_Element::Sharpxml && - (contentType && *contentType == L"text/xml")) { - pdfium::Optional<WideString> rawValue = - pRawValueNode->JSNode()->TryAttribute(XFA_Attribute::Value, false); - if (!rawValue || rawValue->IsEmpty()) - break; - - std::vector<WideString> wsSelTextArray; - size_t iStart = 0; - auto iEnd = rawValue->Find(L'\n', iStart); - iEnd = !iEnd.has_value() ? rawValue->GetLength() : iEnd; - while (iEnd.has_value() && iEnd >= iStart) { - wsSelTextArray.push_back( - rawValue->Mid(iStart, iEnd.value() - iStart)); - iStart = iEnd.value() + 1; - if (iStart >= rawValue->GetLength()) - break; - iEnd = rawValue->Find(L'\n', iStart); - } - - CXFA_Node* pParentNode = pNode->GetNodeItem(XFA_NODEITEM_Parent); - ASSERT(pParentNode); - CXFA_Node* pGrandparentNode = - pParentNode->GetNodeItem(XFA_NODEITEM_Parent); - ASSERT(pGrandparentNode); - WideString bodyTagName; - bodyTagName = pGrandparentNode->JSNode()->GetCData(XFA_Attribute::Name); - if (bodyTagName.IsEmpty()) - bodyTagName = L"ListBox1"; - - buf << L"<"; - buf << bodyTagName; - buf << L" xmlns=\"\"\n>"; - for (int32_t i = 0; i < pdfium::CollectionSize<int32_t>(wsSelTextArray); - i++) { - buf << L"<value\n>"; - buf << ExportEncodeContent(wsSelTextArray[i]); - buf << L"</value\n>"; - } - buf << L"</"; - buf << bodyTagName; - buf << L"\n>"; - wsChildren += buf.AsStringView(); - buf.Clear(); - } else { - WideString wsValue = - pRawValueNode->JSNode()->GetCData(XFA_Attribute::Value); - wsChildren += ExportEncodeContent(wsValue); - } - break; - } - case XFA_ObjectType::TextNode: - case XFA_ObjectType::NodeC: - case XFA_ObjectType::NodeV: { - WideString wsValue = pNode->JSNode()->GetCData(XFA_Attribute::Value); - wsChildren += ExportEncodeContent(wsValue); - break; - } - default: - if (pNode->GetElementType() == XFA_Element::Items) { - CXFA_Node* pTemplateNode = pNode->GetTemplateNode(); - if (!pTemplateNode || - pTemplateNode->CountChildren(XFA_Element::Unknown, false) != - pNode->CountChildren(XFA_Element::Unknown, false)) { - bSaveXML = true; - } - } - CFX_WideTextBuf newBuf; - CXFA_Node* pChildNode = pNode->GetNodeItem(XFA_NODEITEM_FirstChild); - while (pChildNode) { - RegenerateFormFile_Changed(pChildNode, newBuf, bSaveXML); - wsChildren += newBuf.AsStringView(); - newBuf.Clear(); - pChildNode = pChildNode->GetNodeItem(XFA_NODEITEM_NextSibling); - } - if (!bSaveXML && !wsChildren.IsEmpty() && - pNode->GetElementType() == XFA_Element::Items) { - wsChildren.clear(); - bSaveXML = true; - CXFA_Node* pChild = pNode->GetNodeItem(XFA_NODEITEM_FirstChild); - while (pChild) { - RegenerateFormFile_Changed(pChild, newBuf, bSaveXML); - wsChildren += newBuf.AsStringView(); - newBuf.Clear(); - pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling); - } - } - break; - } - - if (!wsChildren.IsEmpty() || !wsAttrs.IsEmpty() || - pNode->JSNode()->HasAttribute(XFA_Attribute::Name)) { - WideStringView wsElement = pNode->GetClassName(); - WideString wsName; - SaveAttribute(pNode, XFA_Attribute::Name, L"name", true, wsName); - buf << L"<"; - buf << wsElement; - buf << wsName; - buf << wsAttrs; - if (wsChildren.IsEmpty()) { - buf << L"\n/>"; - } else { - buf << L"\n>"; - buf << wsChildren; - buf << L"</"; - buf << wsElement; - buf << L"\n>"; - } - } -} - -void RegenerateFormFile_Container( - CXFA_Node* pNode, - const RetainPtr<CFX_SeekableStreamProxy>& pStream, - bool bSaveXML) { - XFA_Element eType = pNode->GetElementType(); - if (eType == XFA_Element::Field || eType == XFA_Element::Draw || - !pNode->IsContainerNode()) { - CFX_WideTextBuf buf; - RegenerateFormFile_Changed(pNode, buf, bSaveXML); - size_t nLen = buf.GetLength(); - if (nLen > 0) - pStream->WriteString(buf.AsStringView()); - return; - } - - WideStringView wsElement(pNode->GetClassName()); - pStream->WriteString(L"<"); - pStream->WriteString(wsElement); - - WideString wsOutput; - SaveAttribute(pNode, XFA_Attribute::Name, L"name", true, wsOutput); - - WideString wsAttrs; - for (size_t i = 0;; ++i) { - XFA_Attribute attr = pNode->GetAttribute(i); - if (attr == XFA_Attribute::Unknown) - break; - if (attr == XFA_Attribute::Name) - continue; - - WideString wsAttr; - SaveAttribute(pNode, attr, CXFA_Node::AttributeToName(attr), false, wsAttr); - wsOutput += wsAttr; - } - - if (!wsOutput.IsEmpty()) - pStream->WriteString(wsOutput.AsStringView()); - - CXFA_Node* pChildNode = pNode->GetNodeItem(XFA_NODEITEM_FirstChild); - if (pChildNode) { - pStream->WriteString(L"\n>"); - while (pChildNode) { - RegenerateFormFile_Container(pChildNode, pStream, bSaveXML); - pChildNode = pChildNode->GetNodeItem(XFA_NODEITEM_NextSibling); - } - pStream->WriteString(L"</"); - pStream->WriteString(wsElement); - pStream->WriteString(L"\n>"); - } else { - pStream->WriteString(L"\n/>"); - } -} - -} // namespace - -void XFA_DataExporter_RegenerateFormFile( - CXFA_Node* pNode, - const RetainPtr<CFX_SeekableStreamProxy>& pStream, - const char* pChecksum, - bool bSaveXML) { - if (pNode->IsModelNode()) { - pStream->WriteString(L"<form"); - if (pChecksum) { - WideString wsChecksum = WideString::FromUTF8(pChecksum); - pStream->WriteString(L" checksum=\""); - pStream->WriteString(wsChecksum.AsStringView()); - pStream->WriteString(L"\""); - } - pStream->WriteString(L" xmlns=\""); - pStream->WriteString(WideStringView(kFormNS)); - - WideString wsVersionNumber; - RecognizeXFAVersionNumber( - ToNode(pNode->GetDocument()->GetXFAObject(XFA_HASHCODE_Template)), - wsVersionNumber); - if (wsVersionNumber.IsEmpty()) - wsVersionNumber = L"2.8"; - - wsVersionNumber += L"/\"\n>"; - pStream->WriteString(wsVersionNumber.AsStringView()); - - CXFA_Node* pChildNode = pNode->GetNodeItem(XFA_NODEITEM_FirstChild); - while (pChildNode) { - RegenerateFormFile_Container(pChildNode, pStream, false); - pChildNode = pChildNode->GetNodeItem(XFA_NODEITEM_NextSibling); - } - pStream->WriteString(L"</form\n>"); - } else { - RegenerateFormFile_Container(pNode, pStream, bSaveXML); - } -} - -void XFA_DataExporter_DealWithDataGroupNode(CXFA_Node* pDataNode) { - if (!pDataNode || pDataNode->GetElementType() == XFA_Element::DataValue) - return; - - int32_t iChildNum = 0; - for (CXFA_Node* pChildNode = pDataNode->GetNodeItem(XFA_NODEITEM_FirstChild); - pChildNode; - pChildNode = pChildNode->GetNodeItem(XFA_NODEITEM_NextSibling)) { - iChildNum++; - XFA_DataExporter_DealWithDataGroupNode(pChildNode); - } - - if (pDataNode->GetElementType() != XFA_Element::DataGroup) - return; - - if (iChildNum > 0) { - CFX_XMLNode* pXMLNode = pDataNode->GetXMLMappingNode(); - ASSERT(pXMLNode->GetType() == FX_XMLNODE_Element); - CFX_XMLElement* pXMLElement = static_cast<CFX_XMLElement*>(pXMLNode); - if (pXMLElement->HasAttribute(L"xfa:dataNode")) - pXMLElement->RemoveAttribute(L"xfa:dataNode"); - - return; - } - - CFX_XMLNode* pXMLNode = pDataNode->GetXMLMappingNode(); - ASSERT(pXMLNode->GetType() == FX_XMLNODE_Element); - static_cast<CFX_XMLElement*>(pXMLNode)->SetString(L"xfa:dataNode", - L"dataGroup"); -} - CXFA_DataExporter::CXFA_DataExporter(CXFA_Document* pDocument) : m_pDocument(pDocument) { ASSERT(m_pDocument); @@ -513,7 +71,7 @@ bool CXFA_DataExporter::Export( break; } case XFA_PacketType::Form: { - XFA_DataExporter_RegenerateFormFile(pNode, pStream, pChecksum); + XFA_DataExporter_RegenerateFormFile(pNode, pStream, pChecksum, false); break; } case XFA_PacketType::Template: |