X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9c8046dded47cbd3e9b9c83051ba0530ac3b9491..69659fd770f615210efac4b4fa741b3ad6223616:/src/common/xtixml.cpp diff --git a/src/common/xtixml.cpp b/src/common/xtixml.cpp index 94dcc08ebe..dae1f64eba 100644 --- a/src/common/xtixml.cpp +++ b/src/common/xtixml.cpp @@ -1,38 +1,36 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: src/common/xtistrm.cpp -// Purpose: streaming runtime metadata information +// Name: src/common/xtixml.cpp +// Purpose: streaming runtime metadata information // Author: Stefan Csomor -// Modified by: +// Modified by: // Created: 27/07/03 // RCS-ID: $Id$ // Copyright: (c) 2003 Stefan Csomor // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "xtistrm.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif +#if wxUSE_EXTENDED_RTTI + +#include "wx/xtixml.h" + #ifndef WX_PRECOMP -#include "wx/hash.h" -#include "wx/object.h" + #include "wx/object.h" + #include "wx/hash.h" + #include "wx/event.h" #endif #include "wx/xml/xml.h" #include "wx/tokenzr.h" -#include "wx/xtistrm.h" -#include "wx/xtixml.h" #include "wx/txtstrm.h" -#include "wx/event.h" -#if wxUSE_EXTENDED_RTTI +#include "wx/xtistrm.h" #include "wx/beforestd.h" #include @@ -44,13 +42,13 @@ using namespace std ; // // XML Streaming -// +// // convenience functions void wxXmlAddContentToNode( wxXmlNode* node , const wxString& data ) { - node->AddChild(new wxXmlNode(wxXML_TEXT_NODE, "value", data ) ); + node->AddChild(new wxXmlNode(wxXML_TEXT_NODE, wxT("value"), data ) ); } wxString wxXmlGetContentFromNode( wxXmlNode *node ) @@ -80,23 +78,23 @@ struct wxXmlWriter::wxXmlWriterInternal } } ; -wxXmlWriter::wxXmlWriter( wxXmlNode * rootnode ) +wxXmlWriter::wxXmlWriter( wxXmlNode * rootnode ) { m_data = new wxXmlWriterInternal() ; m_data->m_root = rootnode ; m_data->m_current = rootnode ; } -wxXmlWriter::~wxXmlWriter() +wxXmlWriter::~wxXmlWriter() { delete m_data ; } -void wxXmlWriter::DoBeginWriteTopLevelEntry( const wxString &name ) +void wxXmlWriter::DoBeginWriteTopLevelEntry( const wxString &name ) { wxXmlNode *pnode; pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("entry")); - pnode->AddProperty(wxString("name"), name); + pnode->AddAttribute(wxString(wxT("name")), name); m_data->m_current->AddChild(pnode) ; m_data->Push( pnode ) ; } @@ -106,42 +104,42 @@ void wxXmlWriter::DoEndWriteTopLevelEntry( const wxString &WXUNUSED(name) ) m_data->Pop() ; } -void wxXmlWriter::DoBeginWriteObject(const wxObject *WXUNUSED(object), const wxClassInfo *classInfo, int objectID , wxxVariantArray &metadata ) +void wxXmlWriter::DoBeginWriteObject(const wxObject *WXUNUSED(object), const wxClassInfo *classInfo, int objectID , wxxVariantArray &metadata ) { wxXmlNode *pnode; pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("object")); - pnode->AddProperty(wxT("class"), wxString(classInfo->GetClassName())); - pnode->AddProperty(wxT("id"), wxString::Format( "%d" , objectID ) ); + pnode->AddAttribute(wxT("class"), wxString(classInfo->GetClassName())); + pnode->AddAttribute(wxT("id"), wxString::Format( wxT("%d") , objectID ) ); for ( size_t i = 0 ; i < metadata.GetCount() ; ++i ) { - pnode->AddProperty( metadata[i].GetName() , metadata[i].GetAsString() ) ; + pnode->AddAttribute( metadata[i].GetName() , metadata[i].GetAsString() ) ; } m_data->m_current->AddChild(pnode) ; m_data->Push( pnode ) ; } // end of writing the root object -void wxXmlWriter::DoEndWriteObject(const wxObject *WXUNUSED(object), const wxClassInfo *WXUNUSED(classInfo), int WXUNUSED(objectID) ) +void wxXmlWriter::DoEndWriteObject(const wxObject *WXUNUSED(object), const wxClassInfo *WXUNUSED(classInfo), int WXUNUSED(objectID) ) { m_data->Pop() ; } // writes a property in the stream format -void wxXmlWriter::DoWriteSimpleType( wxxVariant &value ) +void wxXmlWriter::DoWriteSimpleType( wxxVariant &value ) { wxXmlAddContentToNode( m_data->m_current ,value.GetAsString() ) ; } -void wxXmlWriter::DoBeginWriteElement() +void wxXmlWriter::DoBeginWriteElement() { wxXmlNode *pnode; - pnode = new wxXmlNode(wxXML_ELEMENT_NODE, "element" ); + pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("element") ); m_data->m_current->AddChild(pnode) ; m_data->Push( pnode ) ; } -void wxXmlWriter::DoEndWriteElement() +void wxXmlWriter::DoEndWriteElement() { m_data->Pop() ; } @@ -149,8 +147,8 @@ void wxXmlWriter::DoEndWriteElement() void wxXmlWriter::DoBeginWriteProperty(const wxPropertyInfo *pi ) { wxXmlNode *pnode; - pnode = new wxXmlNode(wxXML_ELEMENT_NODE, "prop" ); - pnode->AddProperty(wxT("name"), pi->GetName() ); + pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("prop") ); + pnode->AddAttribute(wxT("name"), pi->GetName() ); m_data->m_current->AddChild(pnode) ; m_data->Push( pnode ) ; } @@ -163,16 +161,16 @@ void wxXmlWriter::DoEndWriteProperty(const wxPropertyInfo *WXUNUSED(propInfo) ) // insert an object reference to an already written object -void wxXmlWriter::DoWriteRepeatedObject( int objectID ) +void wxXmlWriter::DoWriteRepeatedObject( int objectID ) { wxXmlNode *pnode; pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("object")); - pnode->AddProperty(wxString("href"), wxString::Format( "%d" , objectID ) ); + pnode->AddAttribute(wxString(wxT("href")), wxString::Format( wxT("%d") , objectID ) ); m_data->m_current->AddChild(pnode) ; } // insert a null reference -void wxXmlWriter::DoWriteNullObject() +void wxXmlWriter::DoWriteNullObject() { wxXmlNode *pnode; pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("object")); @@ -180,26 +178,26 @@ void wxXmlWriter::DoWriteNullObject() } // writes a delegate in the stream format -void wxXmlWriter::DoWriteDelegate( const wxObject *WXUNUSED(object), const wxClassInfo* WXUNUSED(classInfo) , const wxPropertyInfo *WXUNUSED(pi) , - const wxObject *eventSink, int sinkObjectID , const wxClassInfo* WXUNUSED(eventSinkClassInfo) , const wxHandlerInfo* handlerInfo ) +void wxXmlWriter::DoWriteDelegate( const wxObject *WXUNUSED(object), const wxClassInfo* WXUNUSED(classInfo) , const wxPropertyInfo *WXUNUSED(pi) , + const wxObject *eventSink, int sinkObjectID , const wxClassInfo* WXUNUSED(eventSinkClassInfo) , const wxHandlerInfo* handlerInfo ) { if ( eventSink != NULL && handlerInfo != NULL ) { - wxXmlAddContentToNode( m_data->m_current ,wxString::Format(wxT("%d.%s"), sinkObjectID , handlerInfo->GetName()) ) ; + wxXmlAddContentToNode( m_data->m_current ,wxString::Format(wxT("%d.%s"), sinkObjectID , handlerInfo->GetName().c_str()) ) ; } } // ---------------------------------------------------------------------------- -// reading objects in +// reading objects in // ---------------------------------------------------------------------------- // ---------------------------------------------------------------------------- -// reading xml in +// reading xml in // ---------------------------------------------------------------------------- -/* +/* Reading components has not to be extended for components as properties are always sought by typeinfo over all levels and create params are always toplevel class only @@ -222,69 +220,94 @@ int wxXmlReader::ReadComponent(wxXmlNode *node, wxDepersister *callbacks) if (!children) { // check for a null object or href - if (node->GetPropVal("href" , &ObjectIdString ) ) + if (node->GetAttribute(wxT("href") , &ObjectIdString ) ) { - objectID = atoi( ObjectIdString.c_str() ) ; - wxASSERT_MSG( HasObjectClassInfo( objectID ) , wxT("Forward hrefs are not supported") ) ; - return objectID ; + objectID = atoi( ObjectIdString.ToAscii() ) ; + if ( HasObjectClassInfo( objectID ) ) + { + return objectID ; + } + else + { + wxLogError( _("Forward hrefs are not supported") ) ; + return wxInvalidObjectID ; + } } - if ( !node->GetPropVal("id" , &ObjectIdString ) ) + if ( !node->GetAttribute(wxT("id") , &ObjectIdString ) ) { return wxNullObjectID; } } - if (!node->GetPropVal("class", &className)) + if (!node->GetAttribute(wxT("class"), &className)) { // No class name. Eek. FIXME: error handling return wxInvalidObjectID; } classInfo = wxClassInfo::FindClass(className); - wxASSERT_MSG( classInfo , wxString::Format(wxT("unknown class %s"),className ) ) ; - wxASSERT_MSG( !children || children->GetType() != wxXML_TEXT_NODE , wxT("objects cannot have XML Text Nodes") ) ; - if (!node->GetPropVal("id", &ObjectIdString)) + if ( classInfo == NULL ) { - wxASSERT_MSG(0,wxT("Objects must have an id attribute") ) ; + wxLogError( wxString::Format(_("unknown class %s"),className ) ) ; + return wxInvalidObjectID ; + } + + if ( children != NULL && children->GetType() == wxXML_TEXT_NODE ) + { + wxLogError(_("objects cannot have XML Text Nodes") ) ; + return wxInvalidObjectID; + } + if (!node->GetAttribute(wxT("id"), &ObjectIdString)) + { + wxLogError(_("Objects must have an id attribute") ) ; // No object id. Eek. FIXME: error handling return wxInvalidObjectID; } - objectID = atoi( ObjectIdString.c_str() ) ; + objectID = atoi( ObjectIdString.ToAscii() ) ; // is this object already has been streamed in, return it here - wxASSERT_MSG( !HasObjectClassInfo( objectID ) , wxString::Format(wxT("Doubly used id : %d"), objectID ) ) ; + if ( HasObjectClassInfo( objectID ) ) + { + wxLogError ( wxString::Format(_("Doubly used id : %d"), objectID ) ) ; + return wxInvalidObjectID ; + } // new object, start with allocation // first make the object know to our internal registry SetObjectClassInfo( objectID , classInfo ) ; wxxVariantArray metadata ; - wxXmlProperty *xp = node->GetProperties() ; + wxXmlAttribute *xp = node->GetAttributes() ; while ( xp ) { - if ( xp->GetName() != wxString("class") && xp->GetName() != wxString("id") ) + if ( xp->GetName() != wxString(wxT("class")) && xp->GetName() != wxString(wxT("id")) ) { metadata.Add( new wxxVariant( xp->GetValue() , xp->GetName() ) ) ; } xp = xp->GetNext() ; } - callbacks->AllocateObject(objectID, classInfo, metadata); + if ( !classInfo->NeedsDirectConstruction() ) + callbacks->AllocateObject(objectID, classInfo, metadata); - // + // // stream back the Create parameters first createParams = new wxxVariant[ classInfo->GetCreateParamCount() ] ; createParamOids = new int[classInfo->GetCreateParamCount() ] ; createClassInfos = new const wxClassInfo*[classInfo->GetCreateParamCount() ] ; +#if wxUSE_UNICODE + typedef map PropertyNodes ; + typedef vector PropertyNames ; +#else typedef map PropertyNodes ; typedef vector PropertyNames ; - +#endif PropertyNodes propertyNodes ; PropertyNames propertyNames ; while( children ) { wxString name ; - children->GetPropVal( wxT("name") , &name ) ; - propertyNames.push_back( name.c_str() ) ; - propertyNodes[name.c_str()] = children->GetChildren() ; + children->GetAttribute( wxT("name") , &name ) ; + propertyNames.push_back( (const wxChar*)name.c_str() ) ; + propertyNodes[(const wxChar*)name.c_str()] = children->GetChildren() ; children = children->GetNext() ; } @@ -293,7 +316,10 @@ int wxXmlReader::ReadComponent(wxXmlNode *node, wxDepersister *callbacks) const wxChar* paramName = classInfo->GetCreateParamName(i) ; PropertyNodes::iterator propiter = propertyNodes.find( paramName ) ; const wxPropertyInfo* pi = classInfo->FindPropertyInfo( paramName ) ; - wxASSERT_MSG(pi,wxString::Format("Unkown Property %s",paramName) ) ; + if ( pi == 0 ) + { + wxLogError( wxString::Format(_("Unkown Property %s"),paramName) ) ; + } // if we don't have the value of a create param set in the xml // we use the default value if ( propiter != propertyNodes.end() ) @@ -311,11 +337,16 @@ int wxXmlReader::ReadComponent(wxXmlNode *node, wxDepersister *callbacks) if( pi->GetFlags() & wxPROP_ENUM_STORE_LONG ) { const wxEnumTypeInfo *eti = dynamic_cast( pi->GetTypeInfo() ) ; - wxASSERT_MSG( eti , wxT("Type must have enum - long conversion") ) ; - - long realval ; - eti->ConvertToLong( createParams[i] , realval ) ; - createParams[i] = wxxVariant( realval ) ; + if ( eti ) + { + long realval ; + eti->ConvertToLong( createParams[i] , realval ) ; + createParams[i] = wxxVariant( realval ) ; + } + else + { + wxLogError( _("Type must have enum - long conversion") ) ; + } } createClassInfos[i] = NULL ; } @@ -324,21 +355,35 @@ int wxXmlReader::ReadComponent(wxXmlNode *node, wxDepersister *callbacks) { if ( propertyNames[j] == paramName ) { - propertyNames[j] = "" ; + propertyNames[j] = wxEmptyString ; break ; } } } else { - createParams[i] = pi->GetDefaultValue() ; + if ( pi->GetTypeInfo()->IsObjectType() ) + { + createParamOids[i] = wxNullObjectID ; + createClassInfos[i] = dynamic_cast(pi->GetTypeInfo())->GetClassInfo() ; + } + else + { + createParams[i] = pi->GetDefaultValue() ; + createParamOids[i] = wxInvalidObjectID ; + } } } // got the parameters. Call the Create method - callbacks->CreateObject(objectID, classInfo, - classInfo->GetCreateParamCount(), - createParams, createParamOids, createClassInfos, metadata ); + if ( classInfo->NeedsDirectConstruction() ) + callbacks->ConstructObject(objectID, classInfo, + classInfo->GetCreateParamCount(), + createParams, createParamOids, createClassInfos, metadata ); + else + callbacks->CreateObject(objectID, classInfo, + classInfo->GetCreateParamCount(), + createParams, createParamOids, createClassInfos, metadata ); // now stream in the rest of the properties, in the sequence their properties were written in the xml for ( size_t j = 0 ; j < propertyNames.size() ; ++j ) @@ -356,7 +401,11 @@ int wxXmlReader::ReadComponent(wxXmlNode *node, wxDepersister *callbacks) const wxTypeInfo * elementType = collType->GetElementType() ; while( prop ) { - wxASSERT_MSG(prop->GetName() == wxT("element") , wxT("A non empty collection must consist of 'element' nodes")) ; + if ( prop->GetName() != wxT("element") ) + { + wxLogError( _("A non empty collection must consist of 'element' nodes" ) ) ; + break ; + } wxXmlNode* elementContent = prop->GetChildren() ; if ( elementContent ) { @@ -368,7 +417,7 @@ int wxXmlReader::ReadComponent(wxXmlNode *node, wxDepersister *callbacks) { if ( pi->GetAccessor()->HasAdder() ) callbacks->AddToPropertyCollectionAsObject( objectID , classInfo , pi , valueId ) ; - // TODO for collections we must have a notation on taking over ownership or not + // TODO for collections we must have a notation on taking over ownership or not if ( elementType->GetKind() == wxT_OBJECT && valueId != wxNullObjectID ) callbacks->DestroyObject( valueId , GetObjectClassInfo( valueId ) ) ; } @@ -385,12 +434,26 @@ int wxXmlReader::ReadComponent(wxXmlNode *node, wxDepersister *callbacks) } else if ( pi->GetTypeInfo()->IsObjectType() ) { - int valueId = ReadComponent( prop , callbacks ) ; - if ( valueId != wxInvalidObjectID ) + // and object can either be streamed out a string or as an object + // in case we have no node, then the object's streaming out has been vetoed + if ( prop ) { - callbacks->SetPropertyAsObject( objectID , classInfo , pi , valueId ) ; - if ( pi->GetTypeInfo()->GetKind() == wxT_OBJECT && valueId != wxNullObjectID ) - callbacks->DestroyObject( valueId , GetObjectClassInfo( valueId ) ) ; + if ( prop->GetName() == wxT("object") ) + { + int valueId = ReadComponent( prop , callbacks ) ; + if ( valueId != wxInvalidObjectID ) + { + callbacks->SetPropertyAsObject( objectID , classInfo , pi , valueId ) ; + if ( pi->GetTypeInfo()->GetKind() == wxT_OBJECT && valueId != wxNullObjectID ) + callbacks->DestroyObject( valueId , GetObjectClassInfo( valueId ) ) ; + } + } + else + { + wxASSERT( pi->GetTypeInfo()->HasStringConverters() ) ; + wxxVariant nodeval = ReadValue( prop , pi->GetTypeInfo() ) ; + callbacks->SetProperty( objectID, classInfo ,pi , nodeval ) ; + } } } else if ( pi->GetTypeInfo()->IsDelegateType() ) @@ -399,20 +462,40 @@ int wxXmlReader::ReadComponent(wxXmlNode *node, wxDepersister *callbacks) { wxString resstring = prop->GetContent() ; wxInt32 pos = resstring.Find('.') ; - assert( pos != wxNOT_FOUND ) ; - int sinkOid = atol(resstring.Left(pos)) ; - wxString handlerName = resstring.Mid(pos+1) ; - wxClassInfo* sinkClassInfo = GetObjectClassInfo( sinkOid ) ; + if ( pos != wxNOT_FOUND ) + { + int sinkOid = atol(resstring.Left(pos).ToAscii()) ; + wxString handlerName = resstring.Mid(pos+1) ; + wxClassInfo* sinkClassInfo = GetObjectClassInfo( sinkOid ) ; - callbacks->SetConnect( objectID , classInfo , dynamic_cast(pi->GetTypeInfo()) , sinkClassInfo , - sinkClassInfo->FindHandlerInfo(handlerName) , sinkOid ) ; + callbacks->SetConnect( objectID , classInfo , pi , sinkClassInfo , + sinkClassInfo->FindHandlerInfo(handlerName) , sinkOid ) ; + } + else + { + wxLogError( _("incorrect event handler string, missing dot") ) ; + } } } else { - wxxVariant nodeval ; - callbacks->SetProperty( objectID, classInfo ,pi , ReadValue( prop , pi->GetTypeInfo() ) ) ; + wxxVariant nodeval = ReadValue( prop , pi->GetTypeInfo() ) ; + if( pi->GetFlags() & wxPROP_ENUM_STORE_LONG ) + { + const wxEnumTypeInfo *eti = dynamic_cast( pi->GetTypeInfo() ) ; + if ( eti ) + { + long realval ; + eti->ConvertToLong( nodeval , realval ) ; + nodeval = wxxVariant( realval ) ; + } + else + { + wxLogError( _("Type must have enum - long conversion") ) ; + } + } + callbacks->SetProperty( objectID, classInfo ,pi , nodeval ) ; } } } @@ -442,7 +525,7 @@ int wxXmlReader::ReadObject( const wxString &name , wxDepersister *callbacks) while ( iter ) { wxString entryName ; - if ( iter->GetPropVal("name", &entryName) ) + if ( iter->GetAttribute(wxT("name"), &entryName) ) { if ( entryName == name ) return ReadComponent( iter->GetChildren() , callbacks ) ; @@ -452,4 +535,4 @@ int wxXmlReader::ReadObject( const wxString &name , wxDepersister *callbacks) return wxInvalidObjectID ; } -#endif +#endif // wxUSE_EXTENDED_RTTI