void NASHandler::startElement( const XMLCh* const /* uri */, const XMLCh* const localname, const XMLCh* const /* qname */, const Attributes& attrs ) { char szElementName[MAX_TOKEN_SIZE]; GMLReadState *poState = m_poReader->GetState(); tr_strcpy( szElementName, localname ); if ( ( m_bIgnoreFeature && m_nDepth >= m_nDepthFeature ) || ( m_osIgnoredElement != "" && m_nDepth >= m_nDepthElement ) ) { m_nDepth ++; return; } // ignore attributes of external references and "objektkoordinaten" // (see PostNAS #3 and #15) if ( EQUAL( szElementName, "zeigtAufExternes" ) || EQUAL( szElementName, "objektkoordinaten" ) ) { m_osIgnoredElement = szElementName; m_nDepthElement = m_nDepth; m_nDepth ++; return; } #ifdef DEBUG_VERBOSE CPLDebug( "NAS", "%*sstartElement %s m_bIgnoreFeature:%d depth:%d " "depthFeature:%d featureClass:%s", m_nDepth, "", szElementName, m_bIgnoreFeature, m_nDepth, m_nDepthFeature, poState->m_poFeature ? poState->m_poFeature-> GetClass()->GetElementName() : "(no feature)" ); #endif /* -------------------------------------------------------------------- */ /* If we are in the midst of collecting a feature attribute */ /* value, then this must be a complex attribute which we don't */ /* try to collect for now, so just terminate the field */ /* collection. */ /* -------------------------------------------------------------------- */ if( m_pszCurField != NULL ) { CPLFree( m_pszCurField ); m_pszCurField = NULL; } /* -------------------------------------------------------------------- */ /* If we are collecting geometry, or if we determine this is a */ /* geometry element then append to the geometry info. */ /* -------------------------------------------------------------------- */ const char *pszLast = NULL; if( m_pszGeometry != NULL || IsGeometryElement( szElementName ) ) { const int nLNLen = tr_strlen( localname ); CPLString osAttributes = GetAttributes( &attrs ); /* should save attributes too! */ if( m_pszGeometry == NULL ) m_nGeometryDepth = poState->m_nPathLength; if( m_pszGeometry == NULL || m_nGeomLen + nLNLen + 4 + (int)osAttributes.size() > m_nGeomAlloc ) { m_nGeomAlloc = (int) (m_nGeomAlloc * 1.3 + nLNLen + osAttributes.size() + 1000); m_pszGeometry = (char *) CPLRealloc( m_pszGeometry, m_nGeomAlloc); } strcpy( m_pszGeometry+m_nGeomLen, "<" ); tr_strcpy( m_pszGeometry+m_nGeomLen+1, localname ); if( osAttributes.size() > 0 ) { strcat( m_pszGeometry+m_nGeomLen, " " ); strcat( m_pszGeometry+m_nGeomLen, osAttributes ); } strcat( m_pszGeometry+m_nGeomLen, ">" ); m_nGeomLen += static_cast<int>(strlen(m_pszGeometry+m_nGeomLen)); } /* -------------------------------------------------------------------- */ /* Is this the ogc:Filter element in a update operation */ /* (wfs:Delete, wfsext:Replace or wfs:Update)? */ /* specialized sort of feature. */ /* -------------------------------------------------------------------- */ else if( EQUAL(szElementName,"Filter") && (pszLast = m_poReader->GetState()->GetLastComponent()) != NULL && (EQUAL(pszLast,"Delete") || EQUAL(pszLast,"Replace") || EQUAL(pszLast,"Update")) ) { const char* pszFilteredClassName = m_poReader->GetFilteredClassName(); if ( pszFilteredClassName != NULL && strcmp("Delete", pszFilteredClassName) != 0 ) { m_bIgnoreFeature = true; m_nDepthFeature = m_nDepth; m_nDepth ++; return; } if( m_osLastTypeName == "" ) { CPLError( CE_Failure, CPLE_AssertionFailed, "m_osLastTypeName == \"\""); m_bIgnoreFeature = true; m_nDepthFeature = m_nDepth; m_nDepth ++; return; } if( EQUAL( pszLast, "Replace" ) && ( m_osLastReplacingFID == "" || m_osLastSafeToIgnore == "" ) ) { CPLError( CE_Failure, CPLE_AssertionFailed, "m_osLastReplacingFID == \"\" || " "m_osLastSafeToIgnore == \"\"" ); m_bIgnoreFeature = true; m_nDepthFeature = m_nDepth; m_nDepth ++; return; } if( EQUAL( pszLast, "Update" ) && ( m_osLastEnded == "" || m_osLastOccasion == "" ) ) { CPLError( CE_Failure, CPLE_AssertionFailed, "m_osLastEnded == \"\" || m_osLastOccasion == \"\"" ); m_bIgnoreFeature = true; m_nDepthFeature = m_nDepth; m_nDepth ++; return; } m_bIgnoreFeature = false; m_poReader->PushFeature( "Delete", attrs ); m_nDepthFeature = m_nDepth; m_nDepth ++; m_poReader->SetFeaturePropertyDirectly( "typeName", CPLStrdup(m_osLastTypeName) ); m_poReader->SetFeaturePropertyDirectly( "context", CPLStrdup(pszLast) ); if( EQUAL( pszLast, "Replace" ) ) { //CPLAssert( m_osLastReplacingFID != "" ); //CPLAssert( m_osLastSafeToIgnore != "" ); m_poReader->SetFeaturePropertyDirectly( "replacedBy", CPLStrdup(m_osLastReplacingFID) ); m_poReader->SetFeaturePropertyDirectly( "safeToIgnore", CPLStrdup(m_osLastSafeToIgnore) ); } else if( EQUAL( pszLast, "Update" ) ) { //CPLAssert( m_osLastEnded != "" ); //CPLAssert( m_osLastOccasion != "" ); m_poReader->SetFeaturePropertyDirectly( "endet", CPLStrdup(m_osLastEnded) ); m_poReader->SetFeaturePropertyDirectly( "anlass", CPLStrdup(m_osLastOccasion) ); m_osLastEnded = ""; m_osLastOccasion = ""; } return; } /* -------------------------------------------------------------------- */ /* Is it a feature? If so push a whole new state, and return. */ /* -------------------------------------------------------------------- */ else if( m_poReader->IsFeatureElement( szElementName ) ) { m_osLastTypeName = szElementName; const char* pszFilteredClassName = m_poReader->GetFilteredClassName(); pszLast = m_poReader->GetState()->GetLastComponent(); if( pszLast != NULL && EQUAL(pszLast,"Replace") ) { XMLCh Name[100]; tr_strcpy( Name, "gml:id" ); int nIndex = attrs.getIndex( Name ); if( nIndex == -1 || m_osLastReplacingFID !="" ) { CPLError( CE_Failure, CPLE_AssertionFailed, "nIndex == -1 || m_osLastReplacingFID !=\"\"" ); m_bIgnoreFeature = true; m_nDepthFeature = m_nDepth; m_nDepth ++; return; } // Capture "gml:id" attribute as part of the property value - // primarily this is for the wfsext:Replace operation's attribute. char *pszReplacingFID = tr_strdup( attrs.getValue( nIndex ) ); m_osLastReplacingFID = pszReplacingFID; CPLFree( pszReplacingFID ); #ifdef DEBUG_VERBOSE CPLDebug( "NAS", "%*s### Replace typeName=%s replacedBy=%s", m_nDepth, "", m_osLastTypeName.c_str(), m_osLastReplacingFID.c_str() ); #endif } if ( pszFilteredClassName != NULL && strcmp(szElementName, pszFilteredClassName) != 0 ) { m_bIgnoreFeature = true; m_nDepthFeature = m_nDepth; m_nDepth ++; return; } m_bIgnoreFeature = false; m_poReader->PushFeature( szElementName, attrs ); m_nDepthFeature = m_nDepth; m_nDepth ++; return; } /* -------------------------------------------------------------------- */ /* If it is the wfs:Delete or wfs:Update element, then remember */ /* the typeName attribute so we can assign it to the feature that */ /* will be produced when we process the Filter element. */ /* -------------------------------------------------------------------- */ else if( EQUAL(szElementName,"Delete") || EQUAL(szElementName,"Update") ) { XMLCh Name[100]; tr_strcpy( Name, "typeName" ); int nIndex = attrs.getIndex( Name ); if( nIndex != -1 ) { char *pszTypeName = tr_strdup( attrs.getValue( nIndex ) ); m_osLastTypeName = pszTypeName; CPLFree( pszTypeName ); } m_osLastSafeToIgnore = ""; m_osLastReplacingFID = ""; if( EQUAL(szElementName,"Update") ) { m_bInUpdate = true; } } else if ( m_bInUpdate && EQUAL(szElementName, "Property") ) { m_bInUpdateProperty = true; } else if ( m_bInUpdateProperty && ( EQUAL(szElementName, "Name" ) || EQUAL(szElementName, "Value" ) ) ) { // collect attribute name or value CPLFree( m_pszCurField ); m_pszCurField = CPLStrdup(""); } /* -------------------------------------------------------------------- */ /* If it is the wfsext:Replace element, then remember the */ /* safeToIgnore attribute so we can assign it to the feature */ /* that will be produced when we process the Filter element. */ /* -------------------------------------------------------------------- */ else if( EQUAL(szElementName,"Replace") ) { XMLCh Name[100]; tr_strcpy( Name, "safeToIgnore" ); int nIndex = attrs.getIndex( Name ); if( nIndex != -1 ) { char *pszSafeToIgnore = tr_strdup( attrs.getValue( nIndex ) ); m_osLastSafeToIgnore = pszSafeToIgnore; CPLFree( pszSafeToIgnore ); } else { CPLError( CE_Warning, CPLE_AppDefined, "NAS: safeToIgnore attribute missing" ); m_osLastSafeToIgnore = "false"; } m_osLastReplacingFID = ""; } /* -------------------------------------------------------------------- */ /* If it is (or at least potentially is) a simple attribute, */ /* then start collecting it. */ /* -------------------------------------------------------------------- */ else if( m_poReader->IsAttributeElement( szElementName ) ) { CPLFree( m_pszCurField ); m_pszCurField = CPLStrdup(""); // Capture href as OB property. m_poReader->CheckForRelations( szElementName, attrs, &m_pszCurField ); // Capture "fid" attribute as part of the property value - // primarily this is for wfs:Delete operation's FeatureId attribute. if( EQUAL(szElementName,"FeatureId") ) m_poReader->CheckForFID( attrs, &m_pszCurField ); } /* -------------------------------------------------------------------- */ /* Push the element onto the current state's path. */ /* -------------------------------------------------------------------- */ poState->PushPath( szElementName ); m_nDepth ++; }
OGRErr GMLHandler::startElement(const char *pszName, void* attr ) { GMLReadState *poState = m_poReader->GetState(); int nLNLenBytes = strlen(pszName); /* -------------------------------------------------------------------- */ /* If we are in the midst of collecting a feature attribute */ /* value, then this must be a complex attribute which we don't */ /* try to collect for now, so just terminate the field */ /* collection. */ /* -------------------------------------------------------------------- */ if( m_pszCurField != NULL ) { CPLFree( m_pszCurField ); m_pszCurField = NULL; } /* -------------------------------------------------------------------- */ /* If we are collecting geometry, or if we determine this is a */ /* geometry element then append to the geometry info. */ /* -------------------------------------------------------------------- */ if( m_pszGeometry != NULL || IsGeometryElement( pszName ) ) { /* should save attributes too! */ if( m_pszGeometry == NULL ) m_nGeometryDepth = poState->m_nPathLength; char* pszAttributes = GetAttributes(attr); if( m_nGeomLen + nLNLenBytes + 4 + strlen( pszAttributes ) > m_nGeomAlloc ) { m_nGeomAlloc = (int) (m_nGeomAlloc * 1.3 + nLNLenBytes + 1000 + strlen( pszAttributes )); char* pszNewGeometry = (char *) VSIRealloc( m_pszGeometry, m_nGeomAlloc); if (pszNewGeometry == NULL) { CPLFree(pszAttributes); return CE_Failure; } m_pszGeometry = pszNewGeometry; } strcpy( m_pszGeometry+m_nGeomLen++, "<" ); strcpy( m_pszGeometry+m_nGeomLen, pszName ); m_nGeomLen += nLNLenBytes; /* saving attributes */ strcat( m_pszGeometry + m_nGeomLen, pszAttributes ); m_nGeomLen += strlen( pszAttributes ); CPLFree(pszAttributes); strcat( m_pszGeometry + (m_nGeomLen++), ">" ); } /* -------------------------------------------------------------------- */ /* Is it a feature? If so push a whole new state, and return. */ /* -------------------------------------------------------------------- */ else if( m_poReader->IsFeatureElement( pszName ) ) { char* pszFID = GetFID(attr); m_poReader->PushFeature( pszName, pszFID); CPLFree(pszFID); m_nDepthFeature = m_nDepth; m_nDepth ++; return CE_None; } /* -------------------------------------------------------------------- */ /* If it is (or at least potentially is) a simple attribute, */ /* then start collecting it. */ /* -------------------------------------------------------------------- */ else if( m_poReader->IsAttributeElement( pszName ) ) { CPLFree( m_pszCurField ); m_pszCurField = CPLStrdup(""); } /* -------------------------------------------------------------------- */ /* Push the element onto the current state's path. */ /* -------------------------------------------------------------------- */ poState->PushPath( pszName ); m_nDepth ++; return CE_None; }
OGRErr GMLHandler::startElement(const char *pszName, void* attr ) { GMLReadState *poState = m_poReader->GetState(); if (m_bIgnoreFeature && m_nDepth >= m_nDepthFeature) { m_nDepth ++; return CE_None; } if ( m_nDepth == 0 ) { if (strcmp(pszName, "CityModel") == 0 ) { m_bIsCityGML = TRUE; } else if (strcmp(pszName, "AIXMBasicMessage") == 0) { m_bIsAIXM = m_bReportHref = TRUE; } } else if ( m_nDepth == 2 && m_bInBoundedBy ) { if ( strcmp(pszName, "Envelope") == 0 ) { char* pszGlobalSRSName = GetAttributeValue(attr, "srsName"); if (pszGlobalSRSName != NULL && strncmp(pszGlobalSRSName, "EPSG:", 5) == 0 && CSLTestBoolean(CPLGetConfigOption("GML_CONSIDER_EPSG_AS_URN", "NO"))) { char* pszNew = CPLStrdup(CPLSPrintf("urn:ogc:def:crs:EPSG::%s", pszGlobalSRSName+5)); CPLFree(pszGlobalSRSName); pszGlobalSRSName = pszNew; } m_poReader->SetGlobalSRSName(pszGlobalSRSName); CPLFree(pszGlobalSRSName); } } /* -------------------------------------------------------------------- */ /* If we are in the midst of collecting a feature attribute */ /* value, then this must be a complex attribute which we don't */ /* try to collect for now, so just terminate the field */ /* collection. */ /* -------------------------------------------------------------------- */ if( m_pszCurField != NULL ) { CPLFree( m_pszCurField ); m_pszCurField = NULL; } if ( m_bInCityGMLGenericAttr ) { if( strcmp(pszName, "value") == 0 ) { CPLFree( m_pszCurField ); m_pszCurField = CPLStrdup(""); } } /* -------------------------------------------------------------------- */ /* If we are collecting geometry, or if we determine this is a */ /* geometry element then append to the geometry info. */ /* -------------------------------------------------------------------- */ else if( poState->m_poFeature != NULL && (m_pszGeometry != NULL || IsGeometryElement( pszName ) || (m_bIsAIXM && strcmp( pszName, "ElevatedPoint") == 0)) ) { int bReadGeometry; if( m_pszGeometry == NULL ) { /* If the <GeometryElementPath> is defined in the .gfs, use it */ /* to read the appropriate geometry element */ const char* pszGeometryElement = (poState->m_poFeature) ? poState->m_poFeature->GetClass()->GetGeometryElement() : NULL; if (pszGeometryElement != NULL) bReadGeometry = strcmp(poState->m_pszPath, pszGeometryElement) == 0; else { /* AIXM special case: for RouteSegment, we only want to read Curve geometries */ /* not 'start' and 'end' geometries */ if (m_bIsAIXM && strcmp(poState->m_poFeature->GetClass()->GetName(), "RouteSegment") == 0) bReadGeometry = strcmp( pszName, "Curve") == 0; else bReadGeometry = TRUE; } CPLAssert(m_nGeometryDepth == 0); m_nGeometryDepth = m_nDepth; } else bReadGeometry = TRUE; if (bReadGeometry) { char* pszAttributes = GetAttributes(attr); size_t nLNLenBytes = strlen(pszName); /* Some CityGML lack a srsDimension="3" in posList, such as in */ /* http://www.citygml.org/fileadmin/count.php?f=fileadmin%2Fcitygml%2Fdocs%2FFrankfurt_Street_Setting_LOD3.zip */ /* So we have to add it manually */ if (m_bIsCityGML && strcmp(pszName, "posList") == 0 && strstr(pszAttributes, "srsDimension") == NULL) { CPLFree(pszAttributes); pszAttributes = CPLStrdup(" srsDimension=\"3\""); } if( m_nGeomLen + nLNLenBytes + 4 + strlen( pszAttributes ) > m_nGeomAlloc ) { m_nGeomAlloc = (size_t) (m_nGeomAlloc * 1.3 + nLNLenBytes + 1000 + strlen( pszAttributes )); char* pszNewGeometry = (char *) VSIRealloc( m_pszGeometry, m_nGeomAlloc); if (pszNewGeometry == NULL) { CPLFree(pszAttributes); return CE_Failure; } m_pszGeometry = pszNewGeometry; } strcpy( m_pszGeometry+m_nGeomLen++, "<" ); strcpy( m_pszGeometry+m_nGeomLen, pszName ); m_nGeomLen += nLNLenBytes; /* saving attributes */ strcat( m_pszGeometry + m_nGeomLen, pszAttributes ); m_nGeomLen += strlen( pszAttributes ); CPLFree(pszAttributes); strcat( m_pszGeometry + (m_nGeomLen++), ">" ); } } else if (m_nGeometryDepth != 0 && m_nDepth > m_nGeometryDepth) { ; } else if( m_bInBoundedBy) { ; } /* -------------------------------------------------------------------- */ /* Is it a feature? If so push a whole new state, and return. */ /* -------------------------------------------------------------------- */ else if( m_nDepthFeature == 0 && m_poReader->IsFeatureElement( pszName ) ) { const char* pszFilteredClassName = m_poReader->GetFilteredClassName(); if ( pszFilteredClassName != NULL && strcmp(pszName, pszFilteredClassName) != 0 ) { m_bIgnoreFeature = TRUE; m_nDepthFeature = m_nDepth; m_nDepth ++; return CE_None; } m_bIgnoreFeature = FALSE; char* pszFID = GetFID(attr); m_poReader->PushFeature( pszName, pszFID); CPLFree(pszFID); m_nDepthFeature = m_nDepth; m_nDepth ++; return CE_None; } else if( strcmp(pszName, "boundedBy") == 0 ) { m_bInBoundedBy = TRUE; m_inBoundedByDepth = m_nDepth; } /* -------------------------------------------------------------------- */ /* Is it a CityGML generic attribute ? */ /* -------------------------------------------------------------------- */ else if( m_poReader->IsCityGMLGenericAttributeElement( pszName, attr ) ) { m_bInCityGMLGenericAttr = TRUE; CPLFree(m_pszCityGMLGenericAttrName); m_pszCityGMLGenericAttrName = GetAttributeValue(attr, "name"); m_inCityGMLGenericAttrDepth = m_nDepth; } /* -------------------------------------------------------------------- */ /* If it is (or at least potentially is) a simple attribute, */ /* then start collecting it. */ /* -------------------------------------------------------------------- */ else if( m_poReader->IsAttributeElement( pszName ) ) { CPLFree( m_pszCurField ); m_pszCurField = CPLStrdup(""); if (m_bReportHref) { CPLFree(m_pszHref); m_pszHref = GetAttributeValue(attr, "xlink:href"); } CPLFree(m_pszUom); m_pszUom = GetAttributeValue(attr, "uom"); CPLFree(m_pszValue); m_pszValue = GetAttributeValue(attr, "value"); } else if( m_bReportHref && m_poReader->IsAttributeElement( CPLSPrintf("%s_href", pszName ) ) ) { CPLFree( m_pszCurField ); m_pszCurField = CPLStrdup(""); CPLFree(m_pszHref); m_pszHref = GetAttributeValue(attr, "xlink:href"); } /* -------------------------------------------------------------------- */ /* Push the element onto the current state's path. */ /* -------------------------------------------------------------------- */ poState->PushPath( pszName ); m_nDepth ++; return CE_None; }
OGRErr GMLHandler::startElementFeatureAttribute(const char *pszName, int nLenName, void* attr ) { /* Reset flag */ m_bInCurField = FALSE; GMLReadState *poState = m_poReader->GetState(); /* -------------------------------------------------------------------- */ /* If we are collecting geometry, or if we determine this is a */ /* geometry element then append to the geometry info. */ /* -------------------------------------------------------------------- */ if( IsGeometryElement( pszName ) ) { int bReadGeometry; /* If the <GeometryElementPath> is defined in the .gfs, use it */ /* to read the appropriate geometry element */ const char* pszGeometryElement = poState->m_poFeature->GetClass()->GetGeometryElement(); if (pszGeometryElement != NULL) bReadGeometry = strcmp(poState->osPath.c_str(), pszGeometryElement) == 0; else { /* AIXM special case: for RouteSegment, we only want to read Curve geometries */ /* not 'start' and 'end' geometries */ if (m_bIsAIXM && strcmp(poState->m_poFeature->GetClass()->GetName(), "RouteSegment") == 0) bReadGeometry = strcmp( pszName, "Curve") == 0; else bReadGeometry = TRUE; } if (bReadGeometry) { m_nGeometryDepth = m_nDepth; CPLAssert(apsXMLNode.size() == 0); NodeLastChild sNodeLastChild; sNodeLastChild.psNode = NULL; sNodeLastChild.psLastChild = NULL; apsXMLNode.push_back(sNodeLastChild); PUSH_STATE(STATE_GEOMETRY); return startElementGeometry(pszName, nLenName, attr); } } else if( nLenName == 9 && strcmp(pszName, "boundedBy") == 0 ) { m_inBoundedByDepth = m_nDepth; PUSH_STATE(STATE_BOUNDED_BY); return OGRERR_NONE; } /* -------------------------------------------------------------------- */ /* Is it a CityGML generic attribute ? */ /* -------------------------------------------------------------------- */ else if( m_bIsCityGML && m_poReader->IsCityGMLGenericAttributeElement( pszName, attr ) ) { CPLFree(m_pszCityGMLGenericAttrName); m_pszCityGMLGenericAttrName = GetAttributeValue(attr, "name"); m_inCityGMLGenericAttrDepth = m_nDepth; PUSH_STATE(STATE_CITYGML_ATTRIBUTE); return OGRERR_NONE; } /* -------------------------------------------------------------------- */ /* If it is (or at least potentially is) a simple attribute, */ /* then start collecting it. */ /* -------------------------------------------------------------------- */ else if( (m_nAttributeIndex = m_poReader->GetAttributeElementIndex( pszName, nLenName )) != -1 ) { if(m_pszCurField) { CPLFree(m_pszCurField); m_pszCurField = NULL; m_nCurFieldLen = m_nCurFieldAlloc = 0; } m_bInCurField = TRUE; if (m_bReportHref) { CPLFree(m_pszHref); m_pszHref = GetAttributeValue(attr, "xlink:href"); } CPLFree(m_pszUom); m_pszUom = GetAttributeValue(attr, "uom"); CPLFree(m_pszValue); m_pszValue = GetAttributeValue(attr, "value"); if (stateStack[nStackDepth] != STATE_PROPERTY) { m_nAttributeDepth = m_nDepth; PUSH_STATE(STATE_PROPERTY); } } else if( m_bReportHref && (m_nAttributeIndex = m_poReader->GetAttributeElementIndex( CPLSPrintf("%s_href", pszName ), nLenName + 5 )) != -1 ) { if(m_pszCurField) { CPLFree(m_pszCurField); m_pszCurField = NULL; m_nCurFieldLen = m_nCurFieldAlloc = 0; } m_bInCurField = TRUE; CPLFree(m_pszHref); m_pszHref = GetAttributeValue(attr, "xlink:href"); if (stateStack[nStackDepth] != STATE_PROPERTY) { m_nAttributeDepth = m_nDepth; PUSH_STATE(STATE_PROPERTY); } } poState->PushPath( pszName, nLenName ); return OGRERR_NONE; }