diff options
Diffstat (limited to 'src/Runtime/ogl-runtime/src/foundation/XML.cpp')
| m--------- | src/Runtime/ogl-runtime | 0 | ||||
| -rw-r--r-- | src/Runtime/ogl-runtime/src/foundation/XML.cpp | 948 |
2 files changed, 0 insertions, 948 deletions
diff --git a/src/Runtime/ogl-runtime b/src/Runtime/ogl-runtime new file mode 160000 +Subproject 2025912174c4cf99270b7439ec3b021e1d089ae diff --git a/src/Runtime/ogl-runtime/src/foundation/XML.cpp b/src/Runtime/ogl-runtime/src/foundation/XML.cpp deleted file mode 100644 index bd12dfaf..00000000 --- a/src/Runtime/ogl-runtime/src/foundation/XML.cpp +++ /dev/null @@ -1,948 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 1993-2009 NVIDIA Corporation. -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of Qt 3D Studio. -** -** $QT_BEGIN_LICENSE:GPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 or (at your option) any later version -** approved by the KDE Free Qt Foundation. The licenses are as published by -** the Free Software Foundation and appearing in the file LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ -#include "foundation/XML.h" -#include "foundation/Qt3DSPool.h" -#include "foundation/Qt3DSAtomic.h" -#include "foundation/Qt3DSRefCounted.h" -#include "foundation/StringTable.h" -#include "foundation/IOStreams.h" -#include "foundation/StringConversionImpl.h" -#include "foundation/StrConvertUTF.h" -#include "foundation/StringTable.h" -#include "foundation/Utils.h" -#include "foundation/Qt3DSAtomic.h" -#include "EASTL/hash_map.h" - -#ifdef QT3DS_VC -#include <windows.h> //output debug string -#endif - -#include <QtCore/qxmlstream.h> - -using namespace qt3ds; -using namespace qt3ds::foundation; -using namespace qt3ds::intrinsics; - -typedef char XML_Char; - -namespace { - -const QT3DSU16 g_BOMMarker = (QT3DSU16)0xFEFF; - -// Some DOM parsing operations are destructive. If you need -// them to not be destructive, then we need to modify -// the reader. Specifically parsing lists of floats, due -// to a bug in strtod, is destructive. -struct SDOMReader : public IDOMReader -{ - SReaderScope m_TopElement; - eastl::vector<SReaderScope> m_ScopeStack; - NVScopedRefCounted<IDOMFactory> m_Factory; - volatile QT3DSI32 mRefCount; - - SDOMReader(NVAllocatorCallback &inAlloc, SDOMElement &te, NVScopedRefCounted<IStringTable> s, - NVScopedRefCounted<IDOMFactory> inFactory) - : IDOMReader(inAlloc, s) - , m_TopElement(&te) - , m_Factory(inFactory) - , mRefCount(0) - { - } - - QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE_OVERRIDE(m_Factory->GetAllocator()) - - SDOMElement *Current() const { return m_TopElement.m_Element; } - - void PushScope() override { m_ScopeStack.push_back(SReaderScope(m_TopElement)); } - - void PopScope() override - { - if (m_ScopeStack.size()) { - m_TopElement = m_ScopeStack.back(); - m_ScopeStack.pop_back(); - } else - m_TopElement = SReaderScope(); - } - - SReaderScope GetScope() override { return m_TopElement; } - - void SetScope(SReaderScope inScope) override { m_TopElement = inScope; } - - SDOMElement *GetElement() const override { return m_TopElement.m_Element; } - - Option<CRegisteredString> RegisterNS(TXMLCharPtr ns) - { - if (ns) { - return m_StringTable->RegisterStr(ns); - } - return Empty(); - } - - bool UnregisteredAtt(TXMLCharPtr name, TXMLCharPtr &outValue, TXMLCharPtr ns = NULL) override - { - outValue = ""; - SDOMElement *current(Current()); - if (current) { - return current->AttValue(m_StringTable->RegisterStr(name), RegisterNS(ns), outValue); - } else { - QT3DS_ASSERT(false); - } - return false; - } - - bool Att(TXMLCharPtr name, CRegisteredString &outValue, TXMLCharPtr ns = NULL) override - { - const char8_t *unregValue = NULL; - if (UnregisteredAtt(name, unregValue, ns)) { - outValue = m_StringTable->RegisterStr(unregValue); - return true; - } - return false; - } - - QT3DSU32 CountChildren(TXMLCharPtr childName = NULL, TXMLCharPtr ns = NULL) override - { - SDOMElement *elem = Current(); - if (elem == NULL) { - QT3DS_ASSERT(false); - return 0; - } - return elem->GetNumChildren(m_StringTable->RegisterStr(childName), RegisterNS(ns)); - } - - SDOMAttribute *CurrentAtt() - { - if (m_TopElement.m_Attribute) - return m_TopElement.m_Attribute; - return NULL; - } - - SDOMAttribute *GetFirstAttribute() override - { - if (m_TopElement.m_Element) - m_TopElement.m_Attribute = m_TopElement.m_Element->m_Attributes.m_Head; - return m_TopElement.m_Attribute; - } - - SDOMAttribute *GetNextAttribute() override - { - if (m_TopElement.m_Attribute) - m_TopElement.m_Attribute = m_TopElement.m_Attribute->m_NextAttribute; - return CurrentAtt(); - } - - bool MoveToFirstChild(TXMLCharPtr childName = NULL, TXMLCharPtr ns = NULL) override - { - SDOMElement *elem = Current(); - if (elem == NULL) { - QT3DS_ASSERT(false); - return false; - } - SDOMElement *child = elem->FindChild(m_StringTable->RegisterStr(childName), RegisterNS(ns)); - if (child != NULL) { - m_TopElement = child; - return true; - } - return false; - } - - bool MoveToNextSibling(TXMLCharPtr childName = NULL, TXMLCharPtr ns = NULL) override - { - SDOMElement *elem = Current(); - if (elem == NULL) { - QT3DS_ASSERT(false); - return false; - } - SDOMElement *nextSibling = - elem->FindSibling(m_StringTable->RegisterStr(childName), RegisterNS(ns)); - if (nextSibling) { - m_TopElement = nextSibling; - return true; - } - return false; - } - // Leave element means go to its parent. - void Leave() override - { - QT3DS_ASSERT(m_TopElement.m_Element); - if (m_TopElement.m_Element) - m_TopElement = m_TopElement.m_Element->m_Parent; - } - - bool Value(TXMLCharPtr &outValue) override - { - SDOMElement *current(Current()); - if (!current) { - QT3DS_ASSERT(false); - return false; - } - outValue = current->m_Value; - return true; - } - - SDOMElement *GetTopElement() override - { - SDOMElement *current(Current()); - while (current && current->m_Parent) - current = current->m_Parent; - return current; - } - - virtual NVScopedRefCounted<IDOMFactory> GetFactory() { return m_Factory; } -}; - -struct SDOMWriter : public IDOMWriter, public SDOMReader -{ - NVScopedRefCounted<IDOMFactory> m_FactoryPtr; - IDOMFactory &m_Factory; - - SDOMWriter(NVScopedRefCounted<IDOMFactory> inDOMFactory, - NVScopedRefCounted<IStringTable> inStringTable, SDOMElement &inTopElem) - : SDOMReader(inDOMFactory->GetAllocator(), inTopElem, inStringTable, *inDOMFactory) - , m_FactoryPtr(inDOMFactory) - , m_Factory(*inDOMFactory) - { - } - - QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE(m_Factory.GetAllocator()) - - void Begin(TXMLCharPtr inElemName, TXMLCharPtr inNamespace = NULL, int inLine = 0) override - { - if (!m_TopElement.m_Element) { - QT3DS_ASSERT(false); - return; - } - SDOMElement *current(Current()); - SDOMElement *newElement(m_Factory.NextElement(m_StringTable->RegisterStr(inElemName), - m_StringTable->RegisterStr(inNamespace), - inLine)); - current->AppendChild(*newElement); - m_TopElement = newElement; - } - - void Att(TXMLCharPtr name, TXMLCharPtr value, TXMLCharPtr ns, int inLine) override - { - if (!m_TopElement.m_Element) { - QT3DS_ASSERT(false); - return; - } - m_TopElement.m_Element->SetAttributeValue(m_StringTable->RegisterStr(name), RegisterNS(ns), - value, m_Factory, inLine); - } - - void Value(TXMLCharPtr value) override - { - if (!m_TopElement.m_Element) { - QT3DS_ASSERT(false); - return; - } - if (value == NULL) - value = ""; - size_t len = strlen(value); - m_Factory.AppendStrBuf(value, (QT3DSU32)len); - m_TopElement.m_Element->m_Value = m_Factory.FinalizeStrBuf(); - } - - void End() override - { - if (!m_TopElement.m_Element) { - QT3DS_ASSERT(false); - return; - } - Leave(); - } - void RemoveCurrent() override - { - SDOMElement *current(Current()); - if (!current) { - QT3DS_ASSERT(false); - return; - } - if (current->m_Parent) { - m_TopElement = current->m_Parent; - m_TopElement.m_Element->RemoveChild(*current); - } - } - void RemoveAttribute(TXMLCharPtr inItem, TXMLCharPtr inNamespace) override - { - SDOMElement *current(Current()); - if (!current) { - QT3DS_ASSERT(false); - return; - } - current->RemoveAttribute(m_StringTable->RegisterStr(inItem), RegisterNS(inNamespace)); - } - - void MoveBefore(TXMLCharPtr inItem, TXMLCharPtr inSibling, TXMLCharPtr inNs = NULL) override - { - SDOMElement *current(Current()); - if (!current) { - QT3DS_ASSERT(false); - return; - } - - SDOMElement *theItem = - current->FindChild(m_StringTable->RegisterStr(inItem), RegisterNS(inNs)); - SDOMElement *theSibling = - current->FindChild(m_StringTable->RegisterStr(inSibling), RegisterNS(inNs)); - QT3DS_ASSERT(theItem && theSibling); - if (theItem && theSibling) - current->PrependChild(*theItem, theSibling); - } - - // If current has no parent, then we are at the top - // of the tree and we should return 0. Or if there is no - // current. - // If there is one parent, we should return 1. - QT3DSU32 GetTabs() override - { - QT3DSU32 retval = 0; - SDOMElement *current(Current()); - do { - if (current) - current = current->m_Parent; - if (current) - ++retval; - } while (current); - return retval; - } - - SDOMElement *GetTopElement() override { return SDOMReader::GetTopElement(); } - - NVScopedRefCounted<IDOMFactory> GetFactory() override { return m_FactoryPtr; } - - NVAllocatorCallback &GetAllocator() override { return m_Factory.GetAllocator(); } -}; - -struct SimpleXmlWriter -{ - - struct SNameNS - { - TXMLCharPtr name; - TXMLCharPtr ns; - SNameNS(TXMLCharPtr _name = NULL, TXMLCharPtr _ns = NULL) - : name(_name) - , ns(_ns) - { - } - }; - IOutStream &m_Stream; - eastl::vector<eastl::pair<SNameNS, bool>> m_OpenElements; - bool m_ElementOpen; - char8_t m_PrintBuf[256]; - QT3DSU32 m_Tabs; - eastl::basic_string<char8_t, ForwardingAllocator> m_Buffer; - - SimpleXmlWriter(NVAllocatorCallback &inAlloc, IOutStream &stream, QT3DSU32 inTabs = 0) - : m_Stream(stream) - , m_ElementOpen(false) - , m_Tabs(inTabs) - , m_Buffer(ForwardingAllocator(inAlloc, "SimpleXMLWriter::m_Buffer")) - { - } - - void Write(const SNameNS &data) - { - if (data.ns && *data.ns) { - Write(data.ns); - Write(':'); - } - Write(data.name); - } - - void Write(const char8_t *data, QT3DSU32 inLen = 0) - { - if (!isTrivial(data)) { - if (inLen == 0) - inLen = StrLen(data); - m_Stream.Write(data, inLen); - } - } - void BeginWrite() { m_Buffer.clear(); } - void WriteTemp(char8_t data) { m_Buffer.append(1, data); } - void WriteTemp(const char8_t *data) { m_Buffer.append(data); } - void EndWrite() { Write(reinterpret_cast<const char8_t *>(m_Buffer.c_str()), m_Buffer.size()); } - void Write(char8_t data) { m_Stream.Write(data); } - void Tabs() - { - QT3DS_FOREACH(idx, (m_OpenElements.size() + m_Tabs)) - Write('\t'); - } - void Close(bool newline) - { - if (m_ElementOpen) { - Write(">"); - if (newline) - Write('\n'); - } - m_ElementOpen = false; - } - void Begin(TXMLCharPtr name, TXMLCharPtr ns) - { - Close(true); - Tabs(); - Write('<'); - SNameNS theName(name, ns); - Write(theName); - m_OpenElements.push_back(eastl::pair<SNameNS, bool>(theName, false)); - m_ElementOpen = true; - } - TXMLCharPtr ToStr(char8_t val) - { - m_PrintBuf[0] = val; - m_PrintBuf[1] = 0; - return m_PrintBuf; - } - template <typename TDataType> - TXMLCharPtr ToStr(TDataType val) - { - StringConversion<TDataType>().ToStr(val, NVDataRef<char8_t>(m_PrintBuf, 256)); - return m_PrintBuf; - } - void Att(TXMLCharPtr name, TXMLCharPtr ns, TXMLCharPtr value) - { - QT3DS_ASSERT(m_ElementOpen); - Write(' '); - Write(SNameNS(name, ns)); - - Write("=\""); - - QString str = QString::fromUtf8(nonNull(value)).toHtmlEscaped(); - Write(str.toUtf8().constData()); - Write("\""); - } - template <typename TData> - void Att(TXMLCharPtr name, TXMLCharPtr ns, TData value) - { - Att(name, ns, ToStr(value)); - } - - void Value(TXMLCharPtr value) - { - if (!isTrivial(value)) { - Close(false); - - QString str = QString::fromUtf8(nonNull(value)).toHtmlEscaped(); - Write(str.toUtf8().constData()); - m_OpenElements.back().second = true; - } - } - void ChildValue(TXMLCharPtr name, TXMLCharPtr ns, TXMLCharPtr value) - { - Begin(name, ns); - Value(value); - End(); - } - void End(bool newlineAfterClose = true) - { - QT3DS_ASSERT(m_OpenElements.size()); - eastl::pair<SNameNS, bool> topElem = m_OpenElements.back(); - m_OpenElements.pop_back(); - if (m_ElementOpen) - Write("/>"); - else { - if (topElem.second == false) - Tabs(); - Write("</"); - Write(topElem.first); - Write(">"); - } - m_ElementOpen = false; - if (newlineAfterClose == true) - Write('\n'); - } -}; - -struct DOMParser -{ - IDOMFactory &m_Factory; - SDOMElement *m_TopElement; - SDOMElement *m_FirstElement; - char8_t m_nsSeparator; - typedef eastl::basic_string<char8_t, ForwardingAllocator> TStrType; - TStrType m_NSBuffer; - TStrType m_NameBuffer; - CRegisteredString m_RegName; - CRegisteredString m_RegNS; - SNamespacePairNode *m_FirstPair; - SNamespacePairNode *m_LastPair; - QXmlStreamReader *m_XMLParser; - - DOMParser(IDOMFactory &factory, QXmlStreamReader &parser, char8_t nsSeparator) - : m_Factory(factory) - , m_FirstElement(NULL) - , m_nsSeparator(nsSeparator) - , m_NSBuffer(ForwardingAllocator(factory.GetAllocator(), "DOMParser::m_NSBuffer")) - , m_NameBuffer(ForwardingAllocator(factory.GetAllocator(), "DOMParser::m_NameBuffer")) - , m_FirstPair(NULL) - , m_LastPair(NULL) - , m_XMLParser(&parser) - { - } - - void ParseName(const XML_Char *name) - { - m_NSBuffer.assign(name); - eastl::string::size_type pos = m_NSBuffer.find(m_nsSeparator); - if (pos != TStrType::npos) { - m_NameBuffer.assign(m_NSBuffer.c_str() + pos + 1); - m_NSBuffer.resize(pos); - } else { - m_NameBuffer = m_NSBuffer; - m_NSBuffer.clear(); - // Find the namespace with no abbreviation. - for (SNamespacePairNode *theNode = m_FirstPair; theNode; - theNode = theNode->m_NextNode) { - if (theNode->m_Abbreviation.IsValid() == false) - m_NSBuffer.assign(theNode->m_Namespace.c_str()); - } - } - m_RegName = m_Factory.GetStringTable()->RegisterStr(m_NameBuffer.c_str()); - m_RegNS = m_Factory.GetStringTable()->RegisterStr(m_NSBuffer.c_str()); - } - - struct SimpleXmlErrorHandler : public CXmlErrorHandler - { - void OnXmlError(TXMLCharPtr errorName, int line, int column) override - { - char8_t buffer[1024]; - _snprintf(buffer, 1024, "%s(%d): Xml Error %s on line %d, column %d", __FILE__, - __LINE__, errorName, line, column); -#ifdef QT3DS_VC - OutputDebugStringA(buffer); -#endif - printf("%s\n", buffer); - } - }; - - template <QT3DSU32 THeaderLen> - struct SHeaderInStream : public IInStream - { - QT3DSU8 m_Header[THeaderLen]; - IInStream &m_InStream; - QT3DSU32 m_BytesRead; - - SHeaderInStream(IInStream &inStream) - : m_InStream(inStream) - , m_BytesRead(0) - { - } - bool readHeader() - { - QT3DSU32 amountRead = m_InStream.Read(NVDataRef<QT3DSU8>(m_Header, THeaderLen)); - return amountRead == THeaderLen; - } - QT3DSU32 Read(NVDataRef<QT3DSU8> data) override - { - if (data.size() == 0) - return 0; - QT3DSU8 *writePtr(data.begin()); - QT3DSU32 amountToRead(data.size()); - QT3DSU32 amountRead = 0; - if (m_BytesRead < THeaderLen) { - QT3DSU32 headerLeft = NVMin(THeaderLen - m_BytesRead, amountToRead); - memCopy(writePtr, m_Header + m_BytesRead, headerLeft); - writePtr += headerLeft; - amountToRead -= headerLeft; - amountRead += headerLeft; - } - if (amountToRead) - amountRead += m_InStream.Read(NVDataRef<QT3DSU8>(writePtr, amountToRead)); - m_BytesRead += amountRead; - return amountRead; - } - }; - - static eastl::pair<SNamespacePairNode *, SDOMElement *> - ParseXMLFile(IDOMFactory &factory, IInStream &inStream, CXmlErrorHandler *handler = NULL) - { - SimpleXmlErrorHandler simpleHandler; - if (handler == NULL) - handler = &simpleHandler; - - // look for BOM (Byte-Order-Marker) in the file - // if found, pass in UTF-16 as the format. else - // pass in UTF-8 as the format. - SHeaderInStream<sizeof(g_BOMMarker)> theInStream(inStream); - if (theInStream.readHeader() == false) { - QT3DS_ASSERT(false); - return NULL; - } - QT3DSU16 theHeaderData; - memCopy(&theHeaderData, theInStream.m_Header, sizeof(g_BOMMarker)); - - char8_t nsSeparator = '$'; - - if (theHeaderData == g_BOMMarker) - qFatal("UTF-16 files not supported"); - - QXmlStreamReader sreader; - DOMParser domParser(factory, sreader, nsSeparator); - QT3DSU8 dataBuf[2048]; - QT3DSU32 amountRead = 0; - do { - amountRead = theInStream.Read(toDataRef(dataBuf, 2048)); - if (amountRead) { - QByteArray tmp = QByteArray::fromRawData((char*)dataBuf,amountRead); - sreader.addData(tmp); - } - } while (amountRead > 0); - while (!sreader.atEnd()) { - QXmlStreamReader::TokenType token = sreader.readNext(); - if (token == QXmlStreamReader::StartElement) { - domParser.m_Factory.IgnoreStrBuf(); - domParser.ParseName((TXMLCharPtr)sreader.name().toUtf8().data()); - int line = sreader.lineNumber(); - SDOMElement *newElem = - domParser.m_Factory.NextElement(domParser.m_RegName, domParser.m_RegNS, line); - if (domParser.m_FirstElement == NULL) { - domParser.m_FirstElement = newElem; - domParser.m_TopElement = newElem; - } else { - domParser.m_TopElement->AppendChild(*newElem); - domParser.m_TopElement = newElem; - } - const QXmlStreamAttributes& attributes = sreader.attributes(); - for (auto attrib : attributes) { - domParser.ParseName((TXMLCharPtr)attrib.name().toUtf8().data()); - SDOMAttribute *att = - domParser.m_Factory.NextAttribute(domParser.m_RegName, - (TXMLCharPtr)attrib.value() - .toUtf8().data(), - domParser.m_RegNS, line); - newElem->m_Attributes.push_back(*att); - } - } else if (token == QXmlStreamReader::Characters) { - QByteArray text = sreader.text().toUtf8(); - domParser.m_Factory.AppendStrBuf(text.data(), text.length()); - } else if (token == QXmlStreamReader::EndElement) { - domParser.m_TopElement->m_Value = domParser.m_Factory.FinalizeStrBuf(); - domParser.m_TopElement = domParser.m_TopElement->m_Parent; - } - - if (sreader.hasError()) { - TXMLCharPtr error = (TXMLCharPtr)sreader.errorString().toUtf8().data(); - handler->OnXmlError(error, sreader.lineNumber(), sreader.columnNumber()); - return nullptr; - } - - } - return eastl::make_pair(domParser.m_FirstPair, domParser.m_FirstElement); - } -}; - -class SimpleDomFactory : public IDOMFactory -{ - typedef eastl::basic_string<char8_t, ForwardingAllocator> TNarrowStr; - NVAllocatorCallback &m_Allocator; - Pool<SDOMElement> m_ElementPool; - Pool<SDOMAttribute> m_AttributePool; - Pool<SNamespacePairNode> m_NamespaceNodePool; - eastl::vector<char8_t *> m_BigStrings; - NVScopedRefCounted<IStringTable> m_StringTable; - TNarrowStr m_StringBuilder; - volatile QT3DSI32 mRefCount; - -public: - SimpleDomFactory(NVAllocatorCallback &alloc, NVScopedRefCounted<IStringTable> strt) - : m_Allocator(alloc) - , m_StringTable(strt) - , m_StringBuilder(ForwardingAllocator(alloc, "SimpleDomFactory::m_StringBuilder")) - , mRefCount(0) - { - } - - ~SimpleDomFactory() - { - QT3DS_FOREACH(idx, m_BigStrings.size()) - m_Allocator.deallocate(m_BigStrings[idx]); - m_BigStrings.clear(); - } - - NVAllocatorCallback &GetAllocator() override { return m_Allocator; } - - QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE_OVERRIDE(m_Allocator) - - TXMLCharPtr RegisterStr(TXMLCharPtr str) - { - if (str == NULL || *str == 0) - return ""; - return m_StringTable->RegisterStr(str); - } - - virtual void Release() { delete this; } - void AppendStrBuf(TXMLCharPtr str, QT3DSU32 len) override - { - if (len && *str) { - m_StringBuilder.append(str, str + len); - } - } - - // Null terminate what is there and return the buffer. - // This pointer needs to be persistent. - TXMLCharPtr FinalizeStrBuf() override - { - if (m_StringBuilder.size() == 0) - return ""; - QT3DSU32 len = m_StringBuilder.size() + 1; - QT3DSU32 numBytes = len * sizeof(char8_t); - char8_t *newMem = - (char8_t *)m_Allocator.allocate(numBytes, "DOMFactory::ValueStr", __FILE__, __LINE__); - memCopy(newMem, m_StringBuilder.c_str(), numBytes); - m_BigStrings.push_back(newMem); - m_StringBuilder.clear(); - return newMem; - } - void IgnoreStrBuf() override { m_StringBuilder.clear(); } - - SDOMAttribute *NextAttribute(CRegisteredString name, TXMLCharPtr val, - CRegisteredString ns, int inLine) override - { - TXMLCharPtr v(RegisterValue(val)); - SDOMAttribute *att = (SDOMAttribute *)m_AttributePool.allocate(__FILE__, __LINE__); - new (att) SDOMAttribute(name, ns, v, inLine); - return att; - } - - SDOMElement *NextElement(CRegisteredString name, CRegisteredString ns, int inLine) override - { - IgnoreStrBuf(); - SDOMElement *elem = (SDOMElement *)(m_ElementPool.allocate(__FILE__, __LINE__)); - new (elem) SDOMElement(name, ns, inLine); - return elem; - } - - SNamespacePairNode *NextNSPairNode(CRegisteredString ns, CRegisteredString abbr) override - { - return m_NamespaceNodePool.construct(SNamespacePair(ns, abbr), __FILE__, __LINE__); - } - - NVScopedRefCounted<IStringTable> GetStringTable() override { return m_StringTable; } -}; -} - -NVScopedRefCounted<IDOMReader> -IDOMReader::CreateDOMReader(NVAllocatorCallback &inAlloc, SDOMElement &inRootElement, - NVScopedRefCounted<IStringTable> inStringTable, - NVScopedRefCounted<IDOMFactory> inFactory) -{ - return QT3DS_NEW(inAlloc, SDOMReader)(inAlloc, inRootElement, inStringTable, inFactory); -} - -eastl::pair<NVScopedRefCounted<IDOMWriter>, NVScopedRefCounted<IDOMReader>> -IDOMWriter::CreateDOMWriter(NVScopedRefCounted<IDOMFactory> inFactory, SDOMElement &inRootElement, - NVScopedRefCounted<IStringTable> inStringTable) -{ - NVScopedRefCounted<SDOMWriter> writer( - QT3DS_NEW(inFactory->GetAllocator(), SDOMWriter)(inFactory, inStringTable, inRootElement)); - return eastl::make_pair(writer.mPtr, writer.mPtr); -} - -TXMLCharPtr IDOMFactory::RegisterValue(TXMLCharPtr inValue) -{ - if (isTrivial(inValue)) - return ""; - IgnoreStrBuf(); - AppendStrBuf(inValue, (QT3DSU32)strlen(inValue)); - return FinalizeStrBuf(); -} - -NVScopedRefCounted<IDOMFactory> -IDOMFactory::CreateDOMFactory(NVAllocatorCallback &inAlloc, - NVScopedRefCounted<IStringTable> inStrTable) -{ - return QT3DS_NEW(inAlloc, SimpleDomFactory)(inAlloc, inStrTable); -} - -void CDOMSerializer::WriteXMLHeader(IOutStream &inStream) -{ - const char8_t *header = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n"; - QT3DSU32 len = (QT3DSU32)strlen(header); - inStream.Write(header, len); -} - -// Lexigraphically sort the attributes. -struct SAttributeComparator -{ - bool operator()(const SDOMAttribute *lhs, const SDOMAttribute *rhs) - { - int nsCmp = strcmp(lhs->m_Namespace, rhs->m_Namespace); - if (nsCmp) - return nsCmp < 0; - - return strcmp(lhs->m_Name, rhs->m_Name) < 0; - } -}; - -typedef eastl::vector<SDOMAttribute *, ForwardingAllocator> TAttVector; -typedef eastl::hash_map<CRegisteredString, CRegisteredString, eastl::hash<CRegisteredString>, - eastl::equal_to<CRegisteredString>, ForwardingAllocator> - TNSMap; - -CRegisteredString GetOrCreateNamespaceAbbr(NVAllocatorCallback &inAlloc, CRegisteredString theNs, - TNSMap &inNamespace, TNSMap &inReverseNamespaces, - IStringTable &inStrTable, bool &outCreated) -{ - CRegisteredString abbr; - if (theNs.IsValid()) { - TNSMap::iterator nsIter = inNamespace.find(theNs); - if (nsIter != inNamespace.end()) { - abbr = nsIter->second; - outCreated = false; - } else { - eastl::basic_string<char8_t, ForwardingAllocator> theStr( - ForwardingAllocator(inAlloc, "nsBuilderString")); - theStr.assign("a"); - eastl::basic_string<char8_t, ForwardingAllocator> theNsStr( - ForwardingAllocator(inAlloc, "nsBuilderString")); - CRegisteredString theNS = inStrTable.RegisterStr(theStr.c_str()); - while (inReverseNamespaces.find(theNS) != inReverseNamespaces.end()) { - for (int idx = 0; - idx < 26 && inReverseNamespaces.find(theNS) == inReverseNamespaces.end(); - ++idx) { - theNsStr = theStr; - theNsStr.append(1, (char8_t)('a' + idx)); - theNS = inStrTable.RegisterStr(theNsStr.c_str()); - } - theStr.append(1, 'a'); - } - inNamespace.insert(eastl::make_pair(theNs, theNS)); - abbr = theNS; - outCreated = true; - } - } - return abbr; -} - -// Write an element with attributes sorted by name so a file diff is effective. -void WriteElement(NVAllocatorCallback &inAlloc, SDOMElement &inElement, SimpleXmlWriter &inWriter, - TAttVector &inAttSorter, TNSMap &inNamespace, TNSMap &inReverseNamespaces, - IStringTable &inStrTable, bool inTrimEmptyElems, bool inWriteXMLNS) -{ - inAttSorter.clear(); - - // We decided that we don't want attribute sorting; the code that adds attributes needs - // to be consistent. - // This element doesn't add anything to the system in this case. - if (inTrimEmptyElems && inElement.m_Attributes.empty() && inElement.m_Children.empty() - && isTrivial(inElement.m_Value)) - return; - - for (TAttributeList::iterator iter = inElement.m_Attributes.begin(), - end = inElement.m_Attributes.end(); - iter != end; ++iter) - inAttSorter.push_back(&(*iter)); - - // Find the namespace for the element - bool createdAbbr = false; - CRegisteredString abbr = GetOrCreateNamespaceAbbr(inAlloc, inElement.m_Namespace, inNamespace, - inReverseNamespaces, inStrTable, createdAbbr); - - inWriter.Begin(inElement.m_Name, abbr); - eastl::basic_string<char8_t, ForwardingAllocator> theStr( - ForwardingAllocator(inAlloc, "nsBuilderString")); - if (inWriteXMLNS) { - for (TNSMap::iterator iter = inNamespace.begin(), end = inNamespace.end(); iter != end; - ++iter) { - theStr.assign("xmlns"); - if (iter->second.IsValid()) { - theStr.append(1, ':'); - theStr.append(iter->second.c_str()); - } - inWriter.Att(theStr.c_str(), NULL, iter->first.c_str()); - } - } else if (createdAbbr) { - theStr.assign("xmlns:"); - theStr.append(abbr.c_str()); - inWriter.Att(theStr.c_str(), NULL, inElement.m_Namespace.c_str()); - } - - const char8_t *theLastAttName = 0; - const char8_t *theLastAttNamespace = 0; - for (QT3DSU32 idx = 0, end = inAttSorter.size(); idx < end; ++idx) { - SDOMAttribute *theAtt(inAttSorter[idx]); - if (theAtt->m_Name != theLastAttName || theAtt->m_Namespace != theLastAttNamespace) { - abbr = GetOrCreateNamespaceAbbr(inAlloc, theAtt->m_Namespace, inNamespace, - inReverseNamespaces, inStrTable, createdAbbr); - if (createdAbbr) { - theStr.assign("xmlns:"); - theStr.append(abbr.c_str()); - inWriter.Att(theStr.c_str(), NULL, inElement.m_Namespace.c_str()); - } - - inWriter.Att(theAtt->m_Name, abbr, theAtt->m_Value); - } else { - QT3DS_ASSERT(false); - } - theLastAttName = theAtt->m_Name; - theLastAttNamespace = theAtt->m_Namespace; - } - // Elements can either have children or values but not both at this point. - if (inElement.m_Children.empty() == false) { - for (SDOMElement::TElementChildList::iterator iter = inElement.m_Children.begin(), - end = inElement.m_Children.end(); - iter != end; ++iter) - WriteElement(inAlloc, *iter, inWriter, inAttSorter, inNamespace, inReverseNamespaces, - inStrTable, inTrimEmptyElems, false); - - inWriter.End(); - } else { - if (!isTrivial(inElement.m_Value)) - inWriter.Value(inElement.m_Value); - - inWriter.End(); - } -} - -void CDOMSerializer::Write(NVAllocatorCallback &inAlloc, SDOMElement &inElement, - IOutStream &inStream, IStringTable &inStrTable, - NVConstDataRef<SNamespacePair> inNamespaces, bool inTrimEmptyElements, - QT3DSU32 inTabs, bool inWriteNamespaces) -{ - TAttVector theAttSorter(ForwardingAllocator(inAlloc, "CDOMSerializer::AttributeList")); - TNSMap theNamespaces(ForwardingAllocator(inAlloc, "CDOMSerializer::NamespaceMap")); - TNSMap theReverseNamespaces(ForwardingAllocator(inAlloc, "CDOMSerializer::NamespaceMap")); - for (QT3DSU32 idx = 0, end = inNamespaces.size(); idx < end; ++idx) { - theNamespaces.insert( - eastl::make_pair(inNamespaces[idx].m_Namespace, inNamespaces[idx].m_Abbreviation)); - theReverseNamespaces.insert( - eastl::make_pair(inNamespaces[idx].m_Abbreviation, inNamespaces[idx].m_Namespace)); - } - SimpleXmlWriter writer(inAlloc, inStream, inTabs); - WriteElement(inAlloc, inElement, writer, theAttSorter, theNamespaces, theReverseNamespaces, - inStrTable, inTrimEmptyElements, inWriteNamespaces); -} - -eastl::pair<SNamespacePairNode *, SDOMElement *> -CDOMSerializer::Read(IDOMFactory &inFactory, IInStream &inStream, CXmlErrorHandler *inErrorHandler) -{ - return DOMParser::ParseXMLFile(inFactory, inStream, inErrorHandler); -} |