From 876efaa771afe7ebd7a97dc748abdbb5b266a99b Mon Sep 17 00:00:00 2001 From: Dan Sinclair Date: Thu, 12 Apr 2018 13:39:28 +0000 Subject: Rename CXFA_SimpleParser to CXFA_DocumentParser The CXFA_SimpleParser is handling the XFA document parsing. This CL renames the class to make it clearer that this is the XFA document parser. Change-Id: Ia290df2671fba9efa221ae997156ee4846749b02 Reviewed-on: https://pdfium-review.googlesource.com/30231 Reviewed-by: Henrique Nakashima Commit-Queue: dsinclair --- xfa/fxfa/parser/cxfa_document_parser.cpp | 1163 ++++++++++++++++++++++++++++++ 1 file changed, 1163 insertions(+) create mode 100644 xfa/fxfa/parser/cxfa_document_parser.cpp (limited to 'xfa/fxfa/parser/cxfa_document_parser.cpp') diff --git a/xfa/fxfa/parser/cxfa_document_parser.cpp b/xfa/fxfa/parser/cxfa_document_parser.cpp new file mode 100644 index 0000000000..707dfc11d5 --- /dev/null +++ b/xfa/fxfa/parser/cxfa_document_parser.cpp @@ -0,0 +1,1163 @@ +// Copyright 2016 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 + +#include "xfa/fxfa/parser/cxfa_document_parser.h" + +#include +#include + +#include "core/fxcrt/cfx_seekablestreamproxy.h" +#include "core/fxcrt/cfx_widetextbuf.h" +#include "core/fxcrt/fx_codepage.h" +#include "core/fxcrt/fx_extension.h" +#include "core/fxcrt/xml/cfx_xmlchardata.h" +#include "core/fxcrt/xml/cfx_xmldoc.h" +#include "core/fxcrt/xml/cfx_xmlelement.h" +#include "core/fxcrt/xml/cfx_xmlinstruction.h" +#include "core/fxcrt/xml/cfx_xmlnode.h" +#include "core/fxcrt/xml/cfx_xmlparser.h" +#include "core/fxcrt/xml/cfx_xmltext.h" +#include "fxjs/xfa/cjx_object.h" +#include "third_party/base/logging.h" +#include "third_party/base/ptr_util.h" +#include "xfa/fxfa/fxfa.h" +#include "xfa/fxfa/parser/cxfa_document.h" +#include "xfa/fxfa/parser/cxfa_node.h" +#include "xfa/fxfa/parser/cxfa_subform.h" +#include "xfa/fxfa/parser/cxfa_template.h" +#include "xfa/fxfa/parser/xfa_basic_data.h" +#include "xfa/fxfa/parser/xfa_utils.h" + +namespace { + +struct PacketInfo { + uint32_t hash; + const wchar_t* name; + XFA_PacketType packet_type; + const wchar_t* uri; + uint32_t flags; +}; +const PacketInfo PacketData[] = { + {0x0, nullptr, XFA_PacketType::User, nullptr, + XFA_XDPPACKET_FLAGS_NOMATCH | XFA_XDPPACKET_FLAGS_SUPPORTMANY}, + {0x811929d, L"sourceSet", XFA_PacketType::SourceSet, + L"http://www.xfa.org/schema/xfa-source-set/", + XFA_XDPPACKET_FLAGS_NOMATCH | XFA_XDPPACKET_FLAGS_SUPPORTONE}, + {0xb843dba, L"pdf", XFA_PacketType::Pdf, L"http://ns.adobe.com/xdp/pdf/", + XFA_XDPPACKET_FLAGS_COMPLETEMATCH | XFA_XDPPACKET_FLAGS_SUPPORTONE}, + {0xc56afbf, L"xdc", XFA_PacketType::Xdc, L"http://www.xfa.org/schema/xdc/", + XFA_XDPPACKET_FLAGS_NOMATCH | XFA_XDPPACKET_FLAGS_SUPPORTONE}, + {0xc56afcc, L"xdp", XFA_PacketType::Xdp, L"http://ns.adobe.com/xdp/", + XFA_XDPPACKET_FLAGS_COMPLETEMATCH | XFA_XDPPACKET_FLAGS_SUPPORTONE}, + {0x132a8fbc, L"xmpmeta", XFA_PacketType::Xmpmeta, + L"http://ns.adobe.com/xmpmeta/", + XFA_XDPPACKET_FLAGS_NOMATCH | XFA_XDPPACKET_FLAGS_SUPPORTMANY}, + {0x48d004a8, L"xfdf", XFA_PacketType::Xfdf, L"http://ns.adobe.com/xfdf/", + XFA_XDPPACKET_FLAGS_NOMATCH | XFA_XDPPACKET_FLAGS_SUPPORTONE}, + {0x4e1e39b6, L"config", XFA_PacketType::Config, + L"http://www.xfa.org/schema/xci/", + XFA_XDPPACKET_FLAGS_NOMATCH | XFA_XDPPACKET_FLAGS_SUPPORTONE}, + {0x5473b6dc, L"localeSet", XFA_PacketType::LocaleSet, + L"http://www.xfa.org/schema/xfa-locale-set/", + XFA_XDPPACKET_FLAGS_NOMATCH | XFA_XDPPACKET_FLAGS_SUPPORTONE}, + {0x6038580a, L"stylesheet", XFA_PacketType::Stylesheet, + L"http://www.w3.org/1999/XSL/Transform", + XFA_XDPPACKET_FLAGS_NOMATCH | XFA_XDPPACKET_FLAGS_SUPPORTMANY}, + {0x803550fc, L"template", XFA_PacketType::Template, + L"http://www.xfa.org/schema/xfa-template/", + XFA_XDPPACKET_FLAGS_NOMATCH | XFA_XDPPACKET_FLAGS_SUPPORTONE}, + {0x8b036f32, L"signature", XFA_PacketType::Signature, + L"http://www.w3.org/2000/09/xmldsig#", + XFA_XDPPACKET_FLAGS_NOMATCH | XFA_XDPPACKET_FLAGS_SUPPORTONE}, + {0x99b95079, L"datasets", XFA_PacketType::Datasets, + L"http://www.xfa.org/schema/xfa-data/", + XFA_XDPPACKET_FLAGS_PREFIXMATCH | XFA_XDPPACKET_FLAGS_SUPPORTONE}, + {0xcd309ff4, L"form", XFA_PacketType::Form, + L"http://www.xfa.org/schema/xfa-form/", + XFA_XDPPACKET_FLAGS_NOMATCH | XFA_XDPPACKET_FLAGS_SUPPORTONE}, + {0xe14c801c, L"connectionSet", XFA_PacketType::ConnectionSet, + L"http://www.xfa.org/schema/xfa-connection-set/", + XFA_XDPPACKET_FLAGS_NOMATCH | XFA_XDPPACKET_FLAGS_SUPPORTONE}, +}; + +const PacketInfo* GetPacketByIndex(XFA_PacketType ePacket) { + return PacketData + static_cast(ePacket); +} + +const PacketInfo* GetPacketByName(const WideStringView& wsName) { + if (wsName.IsEmpty()) + return nullptr; + + uint32_t hash = FX_HashCode_GetW(wsName, false); + auto* elem = std::lower_bound( + std::begin(PacketData), std::end(PacketData), hash, + [](const PacketInfo& a, uint32_t hash) { return a.hash < hash; }); + if (elem != std::end(PacketData) && elem->hash == hash) + return elem; + return nullptr; +} + +CFX_XMLNode* GetDocumentNode(CFX_XMLNode* pRootNode) { + for (CFX_XMLNode* pXMLNode = pRootNode->GetFirstChild(); pXMLNode; + pXMLNode = pXMLNode->GetNextSibling()) { + if (pXMLNode->GetType() != FX_XMLNODE_Element) + continue; + + return pXMLNode; + } + return nullptr; +} + +WideString GetElementTagNamespaceURI(CFX_XMLElement* pElement) { + WideString wsNodeStr = pElement->GetNamespacePrefix(); + WideString wsNamespaceURI; + if (!XFA_FDEExtension_ResolveNamespaceQualifier(pElement, wsNodeStr, + &wsNamespaceURI)) { + return WideString(); + } + return wsNamespaceURI; +} + +bool MatchNodeName(CFX_XMLNode* pNode, + const WideStringView& wsLocalTagName, + const WideStringView& wsNamespaceURIPrefix, + uint32_t eMatchFlags = XFA_XDPPACKET_FLAGS_NOMATCH) { + if (!pNode || pNode->GetType() != FX_XMLNODE_Element) + return false; + + CFX_XMLElement* pElement = reinterpret_cast(pNode); + WideString wsNodeStr = pElement->GetLocalTagName(); + if (wsNodeStr != wsLocalTagName) + return false; + + wsNodeStr = GetElementTagNamespaceURI(pElement); + if (eMatchFlags & XFA_XDPPACKET_FLAGS_NOMATCH) + return true; + if (eMatchFlags & XFA_XDPPACKET_FLAGS_PREFIXMATCH) { + return wsNodeStr.Left(wsNamespaceURIPrefix.GetLength()) == + wsNamespaceURIPrefix; + } + + return wsNodeStr == wsNamespaceURIPrefix; +} + +bool GetAttributeLocalName(const WideStringView& wsAttributeName, + WideString& wsLocalAttrName) { + WideString wsAttrName(wsAttributeName); + auto pos = wsAttrName.Find(L':', 0); + if (!pos.has_value()) { + wsLocalAttrName = wsAttrName; + return false; + } + wsLocalAttrName = wsAttrName.Right(wsAttrName.GetLength() - pos.value() - 1); + return true; +} + +bool ResolveAttribute(CFX_XMLElement* pElement, + const WideString& wsAttrName, + WideString& wsLocalAttrName, + WideString& wsNamespaceURI) { + WideString wsNSPrefix; + if (GetAttributeLocalName(wsAttrName.AsStringView(), wsLocalAttrName)) { + wsNSPrefix = wsAttrName.Left(wsAttrName.GetLength() - + wsLocalAttrName.GetLength() - 1); + } + if (wsLocalAttrName == L"xmlns" || wsNSPrefix == L"xmlns" || + wsNSPrefix == L"xml") { + return false; + } + if (!XFA_FDEExtension_ResolveNamespaceQualifier(pElement, wsNSPrefix, + &wsNamespaceURI)) { + wsNamespaceURI.clear(); + return false; + } + return true; +} + +bool FindAttributeWithNS(CFX_XMLElement* pElement, + const WideStringView& wsLocalAttributeName, + const WideStringView& wsNamespaceURIPrefix, + WideString& wsValue, + bool bMatchNSAsPrefix = false) { + if (!pElement) + return false; + + WideString wsAttrNS; + for (auto it : pElement->GetAttributes()) { + auto pos = it.first.Find(L':', 0); + WideString wsNSPrefix; + if (!pos.has_value()) { + if (wsLocalAttributeName != it.first) + continue; + } else { + if (wsLocalAttributeName != + it.first.Right(it.first.GetLength() - pos.value() - 1)) { + continue; + } + wsNSPrefix = it.first.Left(pos.value()); + } + + if (!XFA_FDEExtension_ResolveNamespaceQualifier(pElement, wsNSPrefix, + &wsAttrNS)) { + continue; + } + if (bMatchNSAsPrefix) { + if (wsAttrNS.Left(wsNamespaceURIPrefix.GetLength()) != + wsNamespaceURIPrefix) { + continue; + } + } else { + if (wsAttrNS != wsNamespaceURIPrefix) + continue; + } + wsValue = it.second; + return true; + } + return false; +} + +CFX_XMLNode* GetDataSetsFromXDP(CFX_XMLNode* pXMLDocumentNode) { + const PacketInfo* datasets_packet = + GetPacketByIndex(XFA_PacketType::Datasets); + if (MatchNodeName(pXMLDocumentNode, datasets_packet->name, + datasets_packet->uri, datasets_packet->flags)) { + return pXMLDocumentNode; + } + + const PacketInfo* packet = GetPacketByIndex(XFA_PacketType::Xdp); + if (!MatchNodeName(pXMLDocumentNode, packet->name, packet->uri, + packet->flags)) { + return nullptr; + } + + for (CFX_XMLNode* pDatasetsNode = pXMLDocumentNode->GetFirstChild(); + pDatasetsNode; pDatasetsNode = pDatasetsNode->GetNextSibling()) { + if (MatchNodeName(pDatasetsNode, datasets_packet->name, + datasets_packet->uri, datasets_packet->flags)) { + return pDatasetsNode; + } + } + return nullptr; +} + +bool IsStringAllWhitespace(WideString wsText) { + wsText.TrimRight(L"\x20\x9\xD\xA"); + return wsText.IsEmpty(); +} + +void ConvertXMLToPlainText(CFX_XMLElement* pRootXMLNode, WideString& wsOutput) { + for (CFX_XMLNode* pXMLChild = pRootXMLNode->GetFirstChild(); pXMLChild; + pXMLChild = pXMLChild->GetNextSibling()) { + switch (pXMLChild->GetType()) { + case FX_XMLNODE_Element: { + WideString wsTextData = + static_cast(pXMLChild)->GetTextData(); + wsTextData += L"\n"; + wsOutput += wsTextData; + break; + } + case FX_XMLNODE_Text: + case FX_XMLNODE_CharData: { + WideString wsText = static_cast(pXMLChild)->GetText(); + if (IsStringAllWhitespace(wsText)) + continue; + + wsOutput = wsText; + break; + } + default: + NOTREACHED(); + break; + } + } +} + +WideString GetPlainTextFromRichText(CFX_XMLNode* pXMLNode) { + if (!pXMLNode) + return L""; + + WideString wsPlainText; + switch (pXMLNode->GetType()) { + case FX_XMLNODE_Element: { + CFX_XMLElement* pXMLElement = static_cast(pXMLNode); + WideString wsTag = pXMLElement->GetLocalTagName(); + uint32_t uTag = FX_HashCode_GetW(wsTag.AsStringView(), true); + if (uTag == 0x0001f714) { + wsPlainText += L"\n"; + } else if (uTag == 0x00000070) { + if (!wsPlainText.IsEmpty()) { + wsPlainText += L"\n"; + } + } else if (uTag == 0xa48ac63) { + if (!wsPlainText.IsEmpty() && + wsPlainText[wsPlainText.GetLength() - 1] != '\n') { + wsPlainText += L"\n"; + } + } + break; + } + case FX_XMLNODE_Text: + case FX_XMLNODE_CharData: { + WideString wsContent = static_cast(pXMLNode)->GetText(); + wsPlainText += wsContent; + break; + } + default: + break; + } + for (CFX_XMLNode* pChildXML = pXMLNode->GetFirstChild(); pChildXML; + pChildXML = pChildXML->GetNextSibling()) { + wsPlainText += GetPlainTextFromRichText(pChildXML); + } + + return wsPlainText; +} + +} // namespace + +bool XFA_RecognizeRichText(CFX_XMLElement* pRichTextXMLNode) { + return pRichTextXMLNode && GetElementTagNamespaceURI(pRichTextXMLNode) == + L"http://www.w3.org/1999/xhtml"; +} + +CXFA_DocumentParser::CXFA_DocumentParser() : m_bDocumentParser(true) {} + +CXFA_DocumentParser::CXFA_DocumentParser(CXFA_Document* pFactory) + : m_pFactory(pFactory), m_bDocumentParser(false) {} + +CXFA_DocumentParser::~CXFA_DocumentParser() {} + +void CXFA_DocumentParser::SetFactory(CXFA_Document* pFactory) { + ASSERT(m_bDocumentParser); + m_pFactory = pFactory; +} + +bool CXFA_DocumentParser::Parse(const RetainPtr& pStream, + XFA_PacketType ePacketID) { + auto pStreamProxy = + pdfium::MakeRetain(pStream, false); + uint16_t wCodePage = pStreamProxy->GetCodePage(); + if (wCodePage != FX_CODEPAGE_UTF16LE && wCodePage != FX_CODEPAGE_UTF16BE && + wCodePage != FX_CODEPAGE_UTF8) { + pStreamProxy->SetCodePage(FX_CODEPAGE_UTF8); + } + + CFX_XMLDoc doc; + if (!doc.Load(pStreamProxy)) + return false; + + m_pNodeTree = doc.GetTree(); + m_pRootNode = ParseAsXDPPacket(GetDocumentNode(m_pNodeTree.get()), ePacketID); + return !!m_pRootNode; +} + +CFX_XMLNode* CXFA_DocumentParser::ParseXMLData(const ByteString& wsXML) { + auto pStream = pdfium::MakeRetain( + const_cast(wsXML.raw_str()), wsXML.GetLength()); + CFX_XMLDoc doc; + if (doc.Load(pStream)) + m_pNodeTree = doc.GetTree(); + + return m_pNodeTree ? GetDocumentNode(m_pNodeTree.get()) : nullptr; +} + +void CXFA_DocumentParser::ConstructXFANode(CXFA_Node* pXFANode, + CFX_XMLNode* pXMLNode) { + XFA_PacketType ePacketID = pXFANode->GetPacketType(); + if (ePacketID == XFA_PacketType::Datasets) { + if (pXFANode->GetElementType() == XFA_Element::DataValue) { + for (CFX_XMLNode* pXMLChild = pXMLNode->GetFirstChild(); pXMLChild; + pXMLChild = pXMLChild->GetNextSibling()) { + FX_XMLNODETYPE eNodeType = pXMLChild->GetType(); + if (eNodeType == FX_XMLNODE_Instruction) + continue; + + if (eNodeType == FX_XMLNODE_Element) { + CXFA_Node* pXFAChild = m_pFactory->CreateNode( + XFA_PacketType::Datasets, XFA_Element::DataValue); + if (!pXFAChild) + return; + + CFX_XMLElement* child = static_cast(pXMLChild); + WideString wsNodeStr = child->GetLocalTagName(); + pXFAChild->JSObject()->SetCData(XFA_Attribute::Name, wsNodeStr, false, + false); + WideString wsChildValue = GetPlainTextFromRichText(child); + if (!wsChildValue.IsEmpty()) + pXFAChild->JSObject()->SetCData(XFA_Attribute::Value, wsChildValue, + false, false); + + pXFANode->InsertChild(pXFAChild, nullptr); + pXFAChild->SetXMLMappingNode(pXMLChild); + pXFAChild->SetFlag(XFA_NodeFlag_Initialized); + break; + } + } + m_pRootNode = pXFANode; + } else { + m_pRootNode = DataLoader(pXFANode, pXMLNode, true); + } + } else if (pXFANode->IsContentNode()) { + ParseContentNode(pXFANode, pXMLNode, ePacketID); + m_pRootNode = pXFANode; + } else { + m_pRootNode = NormalLoader(pXFANode, pXMLNode, ePacketID, true); + } +} + +CXFA_Node* CXFA_DocumentParser::GetRootNode() const { + return m_pRootNode; +} + +CXFA_Node* CXFA_DocumentParser::ParseAsXDPPacket(CFX_XMLNode* pXMLDocumentNode, + XFA_PacketType ePacketID) { + switch (ePacketID) { + case XFA_PacketType::Xdp: + return ParseAsXDPPacket_XDP(pXMLDocumentNode); + case XFA_PacketType::Config: + return ParseAsXDPPacket_Config(pXMLDocumentNode); + case XFA_PacketType::Template: + return ParseAsXDPPacket_Template(pXMLDocumentNode); + case XFA_PacketType::Form: + return ParseAsXDPPacket_Form(pXMLDocumentNode); + case XFA_PacketType::Datasets: + return ParseAsXDPPacket_Data(pXMLDocumentNode); + case XFA_PacketType::Xdc: + return ParseAsXDPPacket_Xdc(pXMLDocumentNode); + case XFA_PacketType::LocaleSet: + return ParseAsXDPPacket_LocaleConnectionSourceSet( + pXMLDocumentNode, XFA_PacketType::LocaleSet, XFA_Element::LocaleSet); + case XFA_PacketType::ConnectionSet: + return ParseAsXDPPacket_LocaleConnectionSourceSet( + pXMLDocumentNode, XFA_PacketType::ConnectionSet, + XFA_Element::ConnectionSet); + case XFA_PacketType::SourceSet: + return ParseAsXDPPacket_LocaleConnectionSourceSet( + pXMLDocumentNode, XFA_PacketType::SourceSet, XFA_Element::SourceSet); + default: + return ParseAsXDPPacket_User(pXMLDocumentNode); + } +} + +CXFA_Node* CXFA_DocumentParser::ParseAsXDPPacket_XDP( + CFX_XMLNode* pXMLDocumentNode) { + const PacketInfo* packet = GetPacketByIndex(XFA_PacketType::Xdp); + if (!MatchNodeName(pXMLDocumentNode, packet->name, packet->uri, + packet->flags)) { + return nullptr; + } + + CXFA_Node* pXFARootNode = + m_pFactory->CreateNode(XFA_PacketType::Xdp, XFA_Element::Xfa); + if (!pXFARootNode) + return nullptr; + + m_pRootNode = pXFARootNode; + pXFARootNode->JSObject()->SetCData(XFA_Attribute::Name, L"xfa", false, false); + + CFX_XMLElement* pElement = static_cast(pXMLDocumentNode); + for (auto it : pElement->GetAttributes()) { + if (it.first == L"uuid") + pXFARootNode->JSObject()->SetCData(XFA_Attribute::Uuid, it.second, false, + false); + else if (it.first == L"timeStamp") + pXFARootNode->JSObject()->SetCData(XFA_Attribute::TimeStamp, it.second, + false, false); + } + + CFX_XMLNode* pXMLConfigDOMRoot = nullptr; + CXFA_Node* pXFAConfigDOMRoot = nullptr; + for (CFX_XMLNode* pChildItem = pXMLDocumentNode->GetFirstChild(); pChildItem; + pChildItem = pChildItem->GetNextSibling()) { + const PacketInfo* pPacketInfo = GetPacketByIndex(XFA_PacketType::Config); + if (!MatchNodeName(pChildItem, pPacketInfo->name, pPacketInfo->uri, + pPacketInfo->flags)) { + continue; + } + if (pXFARootNode->GetFirstChildByName(pPacketInfo->hash)) + return nullptr; + + pXMLConfigDOMRoot = pChildItem; + pXFAConfigDOMRoot = ParseAsXDPPacket_Config(pXMLConfigDOMRoot); + if (pXFAConfigDOMRoot) + pXFARootNode->InsertChild(pXFAConfigDOMRoot, nullptr); + } + + CFX_XMLNode* pXMLDatasetsDOMRoot = nullptr; + CFX_XMLNode* pXMLFormDOMRoot = nullptr; + CFX_XMLNode* pXMLTemplateDOMRoot = nullptr; + for (CFX_XMLNode* pChildItem = pXMLDocumentNode->GetFirstChild(); pChildItem; + pChildItem = pChildItem->GetNextSibling()) { + if (!pChildItem || pChildItem->GetType() != FX_XMLNODE_Element) + continue; + if (pChildItem == pXMLConfigDOMRoot) + continue; + + CFX_XMLElement* pElement = reinterpret_cast(pChildItem); + WideString wsPacketName = pElement->GetLocalTagName(); + const PacketInfo* pPacketInfo = + GetPacketByName(wsPacketName.AsStringView()); + if (pPacketInfo && pPacketInfo->uri) { + if (!MatchNodeName(pElement, pPacketInfo->name, pPacketInfo->uri, + pPacketInfo->flags)) { + pPacketInfo = nullptr; + } + } + XFA_PacketType ePacket = + pPacketInfo ? pPacketInfo->packet_type : XFA_PacketType::User; + if (ePacket == XFA_PacketType::Xdp) + continue; + if (ePacket == XFA_PacketType::Datasets) { + if (pXMLDatasetsDOMRoot) + return nullptr; + + pXMLDatasetsDOMRoot = pElement; + } else if (ePacket == XFA_PacketType::Form) { + if (pXMLFormDOMRoot) + return nullptr; + + pXMLFormDOMRoot = pElement; + } else if (ePacket == XFA_PacketType::Template) { + // Found a duplicate template packet. + if (pXMLTemplateDOMRoot) + return nullptr; + + CXFA_Node* pPacketNode = ParseAsXDPPacket(pElement, ePacket); + if (pPacketNode) { + pXMLTemplateDOMRoot = pElement; + pXFARootNode->InsertChild(pPacketNode, nullptr); + } + } else { + CXFA_Node* pPacketNode = ParseAsXDPPacket(pElement, ePacket); + if (pPacketNode) { + if (pPacketInfo && + (pPacketInfo->flags & XFA_XDPPACKET_FLAGS_SUPPORTONE) && + pXFARootNode->GetFirstChildByName(pPacketInfo->hash)) { + return nullptr; + } + pXFARootNode->InsertChild(pPacketNode, nullptr); + } + } + } + + // No template is found. + if (!pXMLTemplateDOMRoot) + return nullptr; + + if (pXMLDatasetsDOMRoot) { + CXFA_Node* pPacketNode = + ParseAsXDPPacket(pXMLDatasetsDOMRoot, XFA_PacketType::Datasets); + if (pPacketNode) + pXFARootNode->InsertChild(pPacketNode, nullptr); + } + if (pXMLFormDOMRoot) { + CXFA_Node* pPacketNode = + ParseAsXDPPacket(pXMLFormDOMRoot, XFA_PacketType::Form); + if (pPacketNode) + pXFARootNode->InsertChild(pPacketNode, nullptr); + } + + pXFARootNode->SetXMLMappingNode(pXMLDocumentNode); + return pXFARootNode; +} + +CXFA_Node* CXFA_DocumentParser::ParseAsXDPPacket_Config( + CFX_XMLNode* pXMLDocumentNode) { + const PacketInfo* packet = GetPacketByIndex(XFA_PacketType::Config); + if (!MatchNodeName(pXMLDocumentNode, packet->name, packet->uri, + packet->flags)) { + return nullptr; + } + CXFA_Node* pNode = + m_pFactory->CreateNode(XFA_PacketType::Config, XFA_Element::Config); + if (!pNode) + return nullptr; + + pNode->JSObject()->SetCData(XFA_Attribute::Name, packet->name, false, false); + if (!NormalLoader(pNode, pXMLDocumentNode, XFA_PacketType::Config, true)) + return nullptr; + + pNode->SetXMLMappingNode(pXMLDocumentNode); + return pNode; +} + +CXFA_Node* CXFA_DocumentParser::ParseAsXDPPacket_Template( + CFX_XMLNode* pXMLDocumentNode) { + const PacketInfo* packet = GetPacketByIndex(XFA_PacketType::Template); + if (!MatchNodeName(pXMLDocumentNode, packet->name, packet->uri, + packet->flags)) { + return nullptr; + } + + CXFA_Node* pNode = + m_pFactory->CreateNode(XFA_PacketType::Template, XFA_Element::Template); + if (!pNode) + return nullptr; + + pNode->JSObject()->SetCData(XFA_Attribute::Name, packet->name, false, false); + if (m_bDocumentParser) { + CFX_XMLElement* pXMLDocumentElement = + static_cast(pXMLDocumentNode); + WideString wsNamespaceURI = pXMLDocumentElement->GetNamespaceURI(); + if (wsNamespaceURI.IsEmpty()) + wsNamespaceURI = pXMLDocumentElement->GetString(L"xmlns:xfa"); + + pNode->GetDocument()->RecognizeXFAVersionNumber(wsNamespaceURI); + } + if (!NormalLoader(pNode, pXMLDocumentNode, XFA_PacketType::Template, true)) + return nullptr; + + pNode->SetXMLMappingNode(pXMLDocumentNode); + return pNode; +} + +CXFA_Node* CXFA_DocumentParser::ParseAsXDPPacket_Form( + CFX_XMLNode* pXMLDocumentNode) { + const PacketInfo* packet = GetPacketByIndex(XFA_PacketType::Form); + if (!MatchNodeName(pXMLDocumentNode, packet->name, packet->uri, + packet->flags)) { + return nullptr; + } + + CXFA_Node* pNode = + m_pFactory->CreateNode(XFA_PacketType::Form, XFA_Element::Form); + if (!pNode) + return nullptr; + + pNode->JSObject()->SetCData(XFA_Attribute::Name, packet->name, false, false); + CXFA_Template* pTemplateRoot = + m_pRootNode->GetFirstChildByClass(XFA_Element::Template); + CXFA_Subform* pTemplateChosen = + pTemplateRoot ? pTemplateRoot->GetFirstChildByClass( + XFA_Element::Subform) + : nullptr; + bool bUseAttribute = true; + if (pTemplateChosen && + pTemplateChosen->JSObject()->GetEnum(XFA_Attribute::RestoreState) != + XFA_AttributeEnum::Auto) { + bUseAttribute = false; + } + if (!NormalLoader(pNode, pXMLDocumentNode, XFA_PacketType::Form, + bUseAttribute)) + return nullptr; + + pNode->SetXMLMappingNode(pXMLDocumentNode); + return pNode; +} + +CXFA_Node* CXFA_DocumentParser::ParseAsXDPPacket_Data( + CFX_XMLNode* pXMLDocumentNode) { + CFX_XMLNode* pDatasetsXMLNode = GetDataSetsFromXDP(pXMLDocumentNode); + const PacketInfo* packet = GetPacketByIndex(XFA_PacketType::Datasets); + if (pDatasetsXMLNode) { + CXFA_Node* pNode = m_pFactory->CreateNode(XFA_PacketType::Datasets, + XFA_Element::DataModel); + if (!pNode) + return nullptr; + + pNode->JSObject()->SetCData(XFA_Attribute::Name, packet->name, false, + false); + if (!DataLoader(pNode, pDatasetsXMLNode, false)) + return nullptr; + + pNode->SetXMLMappingNode(pDatasetsXMLNode); + return pNode; + } + + MaybeOwned pDataXMLNode; + if (MatchNodeName(pXMLDocumentNode, L"data", packet->uri, packet->flags)) { + static_cast(pXMLDocumentNode) + ->RemoveAttribute(L"xmlns:xfa"); + pDataXMLNode.Reset(pXMLDocumentNode); + } else { + auto pDataElement = pdfium::MakeUnique(L"xfa:data"); + CFX_XMLNode* pParentXMLNode = pXMLDocumentNode->GetParent(); + if (pParentXMLNode) + pParentXMLNode->RemoveChildNode(pXMLDocumentNode); + + ASSERT(pXMLDocumentNode->GetType() == FX_XMLNODE_Element); + if (pXMLDocumentNode->GetType() == FX_XMLNODE_Element) { + static_cast(pXMLDocumentNode) + ->RemoveAttribute(L"xmlns:xfa"); + } + pDataElement->AppendChild(pXMLDocumentNode); + pDataXMLNode.Reset(std::move(pDataElement)); + } + if (!pDataXMLNode) + return nullptr; + + CXFA_Node* pNode = + m_pFactory->CreateNode(XFA_PacketType::Datasets, XFA_Element::DataGroup); + if (!pNode) + return nullptr; + + WideString wsLocalName = + static_cast(pDataXMLNode.Get())->GetLocalTagName(); + pNode->JSObject()->SetCData(XFA_Attribute::Name, wsLocalName, false, false); + if (!DataLoader(pNode, pDataXMLNode.Get(), true)) + return nullptr; + + pNode->SetXMLMappingNode(std::move(pDataXMLNode)); + return pNode; +} + +CXFA_Node* CXFA_DocumentParser::ParseAsXDPPacket_LocaleConnectionSourceSet( + CFX_XMLNode* pXMLDocumentNode, + XFA_PacketType packet_type, + XFA_Element element) { + const PacketInfo* packet = GetPacketByIndex(packet_type); + if (!MatchNodeName(pXMLDocumentNode, packet->name, packet->uri, + packet->flags)) { + return nullptr; + } + + CXFA_Node* pNode = m_pFactory->CreateNode(packet_type, element); + if (!pNode) + return nullptr; + + pNode->JSObject()->SetCData(XFA_Attribute::Name, packet->name, false, false); + if (!NormalLoader(pNode, pXMLDocumentNode, packet_type, true)) + return nullptr; + + pNode->SetXMLMappingNode(pXMLDocumentNode); + return pNode; +} + +CXFA_Node* CXFA_DocumentParser::ParseAsXDPPacket_Xdc( + CFX_XMLNode* pXMLDocumentNode) { + const PacketInfo* packet = GetPacketByIndex(XFA_PacketType::Xdc); + if (!MatchNodeName(pXMLDocumentNode, packet->name, packet->uri, + packet->flags)) + return nullptr; + + CXFA_Node* pNode = + m_pFactory->CreateNode(XFA_PacketType::Xdc, XFA_Element::Xdc); + if (!pNode) + return nullptr; + + pNode->JSObject()->SetCData(XFA_Attribute::Name, packet->name, false, false); + pNode->SetXMLMappingNode(pXMLDocumentNode); + return pNode; +} + +CXFA_Node* CXFA_DocumentParser::ParseAsXDPPacket_User( + CFX_XMLNode* pXMLDocumentNode) { + CXFA_Node* pNode = + m_pFactory->CreateNode(XFA_PacketType::Xdp, XFA_Element::Packet); + if (!pNode) + return nullptr; + + WideString wsName = + static_cast(pXMLDocumentNode)->GetLocalTagName(); + pNode->JSObject()->SetCData(XFA_Attribute::Name, wsName, false, false); + if (!UserPacketLoader(pNode, pXMLDocumentNode)) + return nullptr; + + pNode->SetXMLMappingNode(pXMLDocumentNode); + return pNode; +} + +CXFA_Node* CXFA_DocumentParser::UserPacketLoader(CXFA_Node* pXFANode, + CFX_XMLNode* pXMLDoc) { + return pXFANode; +} + +CXFA_Node* CXFA_DocumentParser::DataLoader(CXFA_Node* pXFANode, + CFX_XMLNode* pXMLDoc, + bool bDoTransform) { + ParseDataGroup(pXFANode, pXMLDoc, XFA_PacketType::Datasets); + return pXFANode; +} + +CXFA_Node* CXFA_DocumentParser::NormalLoader(CXFA_Node* pXFANode, + CFX_XMLNode* pXMLDoc, + XFA_PacketType ePacketID, + bool bUseAttribute) { + bool bOneOfPropertyFound = false; + for (CFX_XMLNode* pXMLChild = pXMLDoc->GetFirstChild(); pXMLChild; + pXMLChild = pXMLChild->GetNextSibling()) { + switch (pXMLChild->GetType()) { + case FX_XMLNODE_Element: { + CFX_XMLElement* pXMLElement = static_cast(pXMLChild); + WideString wsTagName = pXMLElement->GetLocalTagName(); + XFA_Element eType = CXFA_Node::NameToElement(wsTagName); + if (eType == XFA_Element::Unknown) + continue; + + if (pXFANode->HasPropertyFlags( + eType, + XFA_PROPERTYFLAG_OneOf | XFA_PROPERTYFLAG_DefaultOneOf)) { + if (bOneOfPropertyFound) + break; + bOneOfPropertyFound = true; + } + + CXFA_Node* pXFAChild = m_pFactory->CreateNode(ePacketID, eType); + if (!pXFAChild) + return nullptr; + if (ePacketID == XFA_PacketType::Config) { + pXFAChild->JSObject()->SetAttribute(XFA_Attribute::Name, + wsTagName.AsStringView(), false); + } + + bool IsNeedValue = true; + for (auto it : pXMLElement->GetAttributes()) { + WideString wsAttrName; + GetAttributeLocalName(it.first.AsStringView(), wsAttrName); + if (wsAttrName == L"nil" && it.second == L"true") + IsNeedValue = false; + + XFA_Attribute attr = + CXFA_Node::NameToAttribute(wsAttrName.AsStringView()); + if (attr == XFA_Attribute::Unknown) + continue; + + if (!bUseAttribute && attr != XFA_Attribute::Name && + attr != XFA_Attribute::Save) { + continue; + } + pXFAChild->JSObject()->SetAttribute(attr, it.second.AsStringView(), + false); + } + pXFANode->InsertChild(pXFAChild, nullptr); + if (eType == XFA_Element::Validate || eType == XFA_Element::Locale) { + if (ePacketID == XFA_PacketType::Config) + ParseContentNode(pXFAChild, pXMLElement, ePacketID); + else + NormalLoader(pXFAChild, pXMLElement, ePacketID, bUseAttribute); + + break; + } + switch (pXFAChild->GetObjectType()) { + case XFA_ObjectType::ContentNode: + case XFA_ObjectType::TextNode: + case XFA_ObjectType::NodeC: + case XFA_ObjectType::NodeV: + if (IsNeedValue) + ParseContentNode(pXFAChild, pXMLElement, ePacketID); + break; + default: + NormalLoader(pXFAChild, pXMLElement, ePacketID, bUseAttribute); + break; + } + } break; + case FX_XMLNODE_Instruction: + ParseInstruction(pXFANode, static_cast(pXMLChild), + ePacketID); + break; + default: + break; + } + } + return pXFANode; +} + +void CXFA_DocumentParser::ParseContentNode(CXFA_Node* pXFANode, + CFX_XMLNode* pXMLNode, + XFA_PacketType ePacketID) { + XFA_Element element = XFA_Element::Sharptext; + if (pXFANode->GetElementType() == XFA_Element::ExData) { + WideString wsContentType = + pXFANode->JSObject()->GetCData(XFA_Attribute::ContentType); + if (wsContentType == L"text/html") + element = XFA_Element::SharpxHTML; + else if (wsContentType == L"text/xml") + element = XFA_Element::Sharpxml; + } + if (element == XFA_Element::SharpxHTML) + pXFANode->SetXMLMappingNode(pXMLNode); + + WideString wsValue; + for (CFX_XMLNode* pXMLChild = pXMLNode->GetFirstChild(); pXMLChild; + pXMLChild = pXMLChild->GetNextSibling()) { + FX_XMLNODETYPE eNodeType = pXMLChild->GetType(); + if (eNodeType == FX_XMLNODE_Instruction) + continue; + + if (element == XFA_Element::SharpxHTML) { + if (eNodeType != FX_XMLNODE_Element) + break; + + if (XFA_RecognizeRichText(static_cast(pXMLChild))) + wsValue += + GetPlainTextFromRichText(static_cast(pXMLChild)); + } else if (element == XFA_Element::Sharpxml) { + if (eNodeType != FX_XMLNODE_Element) + break; + + ConvertXMLToPlainText(static_cast(pXMLChild), wsValue); + } else { + if (eNodeType == FX_XMLNODE_Element) + break; + if (eNodeType == FX_XMLNODE_Text || eNodeType == FX_XMLNODE_CharData) + wsValue = static_cast(pXMLChild)->GetText(); + } + break; + } + if (!wsValue.IsEmpty()) { + if (pXFANode->IsContentNode()) { + CXFA_Node* pContentRawDataNode = + m_pFactory->CreateNode(ePacketID, element); + ASSERT(pContentRawDataNode); + pContentRawDataNode->JSObject()->SetCData(XFA_Attribute::Value, wsValue, + false, false); + pXFANode->InsertChild(pContentRawDataNode, nullptr); + } else { + pXFANode->JSObject()->SetCData(XFA_Attribute::Value, wsValue, false, + false); + } + } +} + +void CXFA_DocumentParser::ParseDataGroup(CXFA_Node* pXFANode, + CFX_XMLNode* pXMLNode, + XFA_PacketType ePacketID) { + for (CFX_XMLNode* pXMLChild = pXMLNode->GetFirstChild(); pXMLChild; + pXMLChild = pXMLChild->GetNextSibling()) { + switch (pXMLChild->GetType()) { + case FX_XMLNODE_Element: { + CFX_XMLElement* pXMLElement = static_cast(pXMLChild); + { + WideString wsNamespaceURI = GetElementTagNamespaceURI(pXMLElement); + if (wsNamespaceURI == L"http://www.xfa.com/schema/xfa-package/" || + wsNamespaceURI == L"http://www.xfa.org/schema/xfa-package/" || + wsNamespaceURI == L"http://www.w3.org/2001/XMLSchema-instance") { + continue; + } + } + + XFA_Element eNodeType = XFA_Element::DataModel; + if (eNodeType == XFA_Element::DataModel) { + WideString wsDataNodeAttr; + if (FindAttributeWithNS(pXMLElement, L"dataNode", + L"http://www.xfa.org/schema/xfa-data/1.0/", + wsDataNodeAttr)) { + if (wsDataNodeAttr == L"dataGroup") + eNodeType = XFA_Element::DataGroup; + else if (wsDataNodeAttr == L"dataValue") + eNodeType = XFA_Element::DataValue; + } + } + WideString wsContentType; + if (eNodeType == XFA_Element::DataModel) { + if (FindAttributeWithNS(pXMLElement, L"contentType", + L"http://www.xfa.org/schema/xfa-data/1.0/", + wsContentType)) { + if (!wsContentType.IsEmpty()) + eNodeType = XFA_Element::DataValue; + } + } + if (eNodeType == XFA_Element::DataModel) { + for (CFX_XMLNode* pXMLDataChild = pXMLElement->GetFirstChild(); + pXMLDataChild; pXMLDataChild = pXMLDataChild->GetNextSibling()) { + if (pXMLDataChild->GetType() == FX_XMLNODE_Element) { + if (!XFA_RecognizeRichText( + static_cast(pXMLDataChild))) { + eNodeType = XFA_Element::DataGroup; + break; + } + } + } + } + if (eNodeType == XFA_Element::DataModel) + eNodeType = XFA_Element::DataValue; + + CXFA_Node* pXFAChild = + m_pFactory->CreateNode(XFA_PacketType::Datasets, eNodeType); + if (!pXFAChild) + return; + + pXFAChild->JSObject()->SetCData( + XFA_Attribute::Name, pXMLElement->GetLocalTagName(), false, false); + bool bNeedValue = true; + + for (auto it : pXMLElement->GetAttributes()) { + WideString wsName; + WideString wsNS; + if (!ResolveAttribute(pXMLElement, it.first, wsName, wsNS)) { + continue; + } + if (wsName == L"nil" && it.second == L"true") { + bNeedValue = false; + continue; + } + if (wsNS == L"http://www.xfa.com/schema/xfa-package/" || + wsNS == L"http://www.xfa.org/schema/xfa-package/" || + wsNS == L"http://www.w3.org/2001/XMLSchema-instance" || + wsNS == L"http://www.xfa.org/schema/xfa-data/1.0/") { + continue; + } + CXFA_Node* pXFAMetaData = m_pFactory->CreateNode( + XFA_PacketType::Datasets, XFA_Element::DataValue); + if (!pXFAMetaData) + return; + + pXFAMetaData->JSObject()->SetCData(XFA_Attribute::Name, wsName, false, + false); + pXFAMetaData->JSObject()->SetCData(XFA_Attribute::QualifiedName, + it.first, false, false); + pXFAMetaData->JSObject()->SetCData(XFA_Attribute::Value, it.second, + false, false); + pXFAMetaData->JSObject()->SetEnum(XFA_Attribute::Contains, + XFA_AttributeEnum::MetaData, false); + pXFAChild->InsertChild(pXFAMetaData, nullptr); + pXFAMetaData->SetXMLMappingNode(pXMLElement); + pXFAMetaData->SetFlag(XFA_NodeFlag_Initialized); + } + + if (!bNeedValue) { + WideString wsNilName(L"xsi:nil"); + pXMLElement->RemoveAttribute(wsNilName.c_str()); + } + pXFANode->InsertChild(pXFAChild, nullptr); + if (eNodeType == XFA_Element::DataGroup) + ParseDataGroup(pXFAChild, pXMLElement, ePacketID); + else if (bNeedValue) + ParseDataValue(pXFAChild, pXMLChild, XFA_PacketType::Datasets); + + pXFAChild->SetXMLMappingNode(pXMLElement); + pXFAChild->SetFlag(XFA_NodeFlag_Initialized); + continue; + } + case FX_XMLNODE_CharData: + case FX_XMLNODE_Text: { + CFX_XMLText* pXMLText = static_cast(pXMLChild); + WideString wsText = pXMLText->GetText(); + if (IsStringAllWhitespace(wsText)) + continue; + + CXFA_Node* pXFAChild = m_pFactory->CreateNode(XFA_PacketType::Datasets, + XFA_Element::DataValue); + if (!pXFAChild) + return; + + pXFAChild->JSObject()->SetCData(XFA_Attribute::Value, wsText, false, + false); + pXFANode->InsertChild(pXFAChild, nullptr); + pXFAChild->SetXMLMappingNode(pXMLText); + pXFAChild->SetFlag(XFA_NodeFlag_Initialized); + continue; + } + default: + continue; + } + } +} + +void CXFA_DocumentParser::ParseDataValue(CXFA_Node* pXFANode, + CFX_XMLNode* pXMLNode, + XFA_PacketType ePacketID) { + CFX_WideTextBuf wsValueTextBuf; + CFX_WideTextBuf wsCurValueTextBuf; + bool bMarkAsCompound = false; + CFX_XMLNode* pXMLCurValueNode = nullptr; + for (CFX_XMLNode* pXMLChild = pXMLNode->GetFirstChild(); pXMLChild; + pXMLChild = pXMLChild->GetNextSibling()) { + FX_XMLNODETYPE eNodeType = pXMLChild->GetType(); + if (eNodeType == FX_XMLNODE_Instruction) + continue; + + if (eNodeType == FX_XMLNODE_Text || eNodeType == FX_XMLNODE_CharData) { + WideString wsText = static_cast(pXMLChild)->GetText(); + if (!pXMLCurValueNode) + pXMLCurValueNode = pXMLChild; + + wsCurValueTextBuf << wsText; + } else if (XFA_RecognizeRichText(static_cast(pXMLChild))) { + WideString wsText = + GetPlainTextFromRichText(static_cast(pXMLChild)); + if (!pXMLCurValueNode) + pXMLCurValueNode = pXMLChild; + + wsCurValueTextBuf << wsText; + } else { + bMarkAsCompound = true; + if (pXMLCurValueNode) { + WideString wsCurValue = wsCurValueTextBuf.MakeString(); + if (!wsCurValue.IsEmpty()) { + CXFA_Node* pXFAChild = + m_pFactory->CreateNode(ePacketID, XFA_Element::DataValue); + if (!pXFAChild) + return; + + pXFAChild->JSObject()->SetCData(XFA_Attribute::Name, L"", false, + false); + pXFAChild->JSObject()->SetCData(XFA_Attribute::Value, wsCurValue, + false, false); + pXFANode->InsertChild(pXFAChild, nullptr); + pXFAChild->SetXMLMappingNode(pXMLCurValueNode); + pXFAChild->SetFlag(XFA_NodeFlag_Initialized); + wsValueTextBuf << wsCurValue; + wsCurValueTextBuf.Clear(); + } + pXMLCurValueNode = nullptr; + } + CXFA_Node* pXFAChild = + m_pFactory->CreateNode(ePacketID, XFA_Element::DataValue); + if (!pXFAChild) + return; + + WideString wsNodeStr = + static_cast(pXMLChild)->GetLocalTagName(); + pXFAChild->JSObject()->SetCData(XFA_Attribute::Name, wsNodeStr, false, + false); + ParseDataValue(pXFAChild, pXMLChild, ePacketID); + pXFANode->InsertChild(pXFAChild, nullptr); + pXFAChild->SetXMLMappingNode(pXMLChild); + pXFAChild->SetFlag(XFA_NodeFlag_Initialized); + WideString wsCurValue = + pXFAChild->JSObject()->GetCData(XFA_Attribute::Value); + wsValueTextBuf << wsCurValue; + } + } + if (pXMLCurValueNode) { + WideString wsCurValue = wsCurValueTextBuf.MakeString(); + if (!wsCurValue.IsEmpty()) { + if (bMarkAsCompound) { + CXFA_Node* pXFAChild = + m_pFactory->CreateNode(ePacketID, XFA_Element::DataValue); + if (!pXFAChild) + return; + + pXFAChild->JSObject()->SetCData(XFA_Attribute::Name, L"", false, false); + pXFAChild->JSObject()->SetCData(XFA_Attribute::Value, wsCurValue, false, + false); + pXFANode->InsertChild(pXFAChild, nullptr); + pXFAChild->SetXMLMappingNode(pXMLCurValueNode); + pXFAChild->SetFlag(XFA_NodeFlag_Initialized); + } + wsValueTextBuf << wsCurValue; + wsCurValueTextBuf.Clear(); + } + pXMLCurValueNode = nullptr; + } + WideString wsNodeValue = wsValueTextBuf.MakeString(); + pXFANode->JSObject()->SetCData(XFA_Attribute::Value, wsNodeValue, false, + false); +} + +void CXFA_DocumentParser::ParseInstruction(CXFA_Node* pXFANode, + CFX_XMLInstruction* pXMLInstruction, + XFA_PacketType ePacketID) { + if (!m_bDocumentParser) + return; + + WideString wsTargetName = pXMLInstruction->GetName(); + const std::vector& target_data = pXMLInstruction->GetTargetData(); + if (wsTargetName == L"originalXFAVersion") { + if (target_data.size() > 1 && + (pXFANode->GetDocument()->RecognizeXFAVersionNumber(target_data[0]) != + XFA_VERSION_UNKNOWN) && + target_data[1] == L"v2.7-scripting:1") { + pXFANode->GetDocument()->SetFlag(XFA_DOCFLAG_Scripting, true); + } + } else if (wsTargetName == L"acrobat") { + if (target_data.size() > 1 && target_data[0] == L"JavaScript" && + target_data[1] == L"strictScoping") { + pXFANode->GetDocument()->SetFlag(XFA_DOCFLAG_StrictScoping, true); + } + } +} -- cgit v1.2.3