static
GMLFeatureClass* GMLParseFeatureType(CPLXMLNode *psSchemaNode,
const char* pszName,
const char *pszType)
{
CPLXMLNode *psThis = psSchemaNode->psChild;
for( ; psThis != NULL; psThis = psThis->psNext )
{
if( psThis->eType == CXT_Element
&& EQUAL(psThis->pszValue,"complexType")
&& EQUAL(CPLGetXMLValue(psThis,"name",""),pszType) )
{
break;
}
}
if( psThis == NULL )
return NULL;
return GMLParseFeatureType(psSchemaNode, pszName, psThis);
}
int GMLParseXSD( const char *pszFile,
std::vector<GMLFeatureClass*> & aosClasses)
{
if( pszFile == NULL )
return FALSE;
/* -------------------------------------------------------------------- */
/* Load the raw XML file. */
/* -------------------------------------------------------------------- */
CPLXMLNode *psXSDTree = CPLParseXMLFile( pszFile );
if( psXSDTree == NULL )
return FALSE;
/* -------------------------------------------------------------------- */
/* Strip off any namespace qualifiers. */
/* -------------------------------------------------------------------- */
CPLStripXMLNamespace( psXSDTree, NULL, TRUE );
/* -------------------------------------------------------------------- */
/* Find <schema> root element. */
/* -------------------------------------------------------------------- */
CPLXMLNode *psSchemaNode = CPLGetXMLNode( psXSDTree, "=schema" );
if( psSchemaNode == NULL )
{
CPLDestroyXMLNode( psXSDTree );
return FALSE;
}
/* ==================================================================== */
/* Process each feature class definition. */
/* ==================================================================== */
CPLXMLNode *psThis;
for( psThis = psSchemaNode->psChild;
psThis != NULL; psThis = psThis->psNext )
{
/* -------------------------------------------------------------------- */
/* Check for <xs:element> node. */
/* -------------------------------------------------------------------- */
if( psThis->eType != CXT_Element
|| !EQUAL(psThis->pszValue,"element") )
continue;
/* -------------------------------------------------------------------- */
/* Check the substitution group. */
/* -------------------------------------------------------------------- */
const char *pszSubGroup =
StripNS(CPLGetXMLValue(psThis,"substitutionGroup",""));
// Old OGR produced elements for the feature collection.
if( EQUAL(pszSubGroup, "_FeatureCollection") )
continue;
if( !EQUAL(pszSubGroup, "_Feature") &&
!EQUAL(pszSubGroup, "AbstractFeature") /* AbstractFeature used by GML 3.2 */ )
{
continue;
}
/* -------------------------------------------------------------------- */
/* Get name */
/* -------------------------------------------------------------------- */
const char *pszName;
pszName = CPLGetXMLValue( psThis, "name", NULL );
if( pszName == NULL )
{
continue;
}
/* -------------------------------------------------------------------- */
/* Get type and verify relationship with name. */
/* -------------------------------------------------------------------- */
const char *pszType;
pszType = CPLGetXMLValue( psThis, "type", NULL );
if (pszType == NULL)
{
CPLXMLNode *psComplexType = CPLGetXMLNode( psThis, "complexType" );
if (psComplexType)
{
GMLFeatureClass* poClass =
GMLParseFeatureType(psSchemaNode, pszName, psComplexType);
if (poClass)
aosClasses.push_back(poClass);
}
continue;
}
if( strstr( pszType, ":" ) != NULL )
pszType = strstr( pszType, ":" ) + 1;
if( EQUAL(pszType, pszName) )
{
/* A few WFS servers return a type name which is the element name */
/* without any _Type or Type suffix */
/* e.g. : http://apollo.erdas.com/erdas-apollo/vector/Cherokee?SERVICE=WFS&VERSION=1.0.0&REQUEST=DescribeFeatureType&TYPENAME=iwfs:Air */
}
else if( !EQUALN(pszType,pszName,strlen(pszName))
|| !(EQUAL(pszType+strlen(pszName),"_Type") ||
EQUAL(pszType+strlen(pszName),"Type")) )
{
continue;
}
/* CanVec .xsd contains weird types that are not used in the related GML */
if (strncmp(pszName, "XyZz", 4) == 0 ||
strncmp(pszName, "XyZ1", 4) == 0 ||
strncmp(pszName, "XyZ2", 4) == 0)
continue;
GMLFeatureClass* poClass =
GMLParseFeatureType(psSchemaNode, pszName, pszType);
if (poClass)
aosClasses.push_back(poClass);
}
CPLDestroyXMLNode( psXSDTree );
if( aosClasses.size() > 0 )
{
return TRUE;
}
else
return FALSE;
}
bool GMLParseXSD( const char *pszFile,
std::vector<GMLFeatureClass*> & aosClasses,
bool& bFullyUnderstood)
{
bFullyUnderstood = false;
if( pszFile == NULL )
return false;
/* -------------------------------------------------------------------- */
/* Load the raw XML file. */
/* -------------------------------------------------------------------- */
CPLXMLNode *psXSDTree = GMLParseXMLFile( pszFile );
if( psXSDTree == NULL )
return false;
/* -------------------------------------------------------------------- */
/* Strip off any namespace qualifiers. */
/* -------------------------------------------------------------------- */
CPLStripXMLNamespace( psXSDTree, NULL, TRUE );
/* -------------------------------------------------------------------- */
/* Find <schema> root element. */
/* -------------------------------------------------------------------- */
CPLXMLNode *psSchemaNode = CPLGetXMLNode( psXSDTree, "=schema" );
if( psSchemaNode == NULL )
{
CPLDestroyXMLNode( psXSDTree );
return false;
}
/* ==================================================================== */
/* Process each include directive. */
/* ==================================================================== */
CPLXMLSchemaResolveInclude( pszFile, psSchemaNode );
//CPLSerializeXMLTreeToFile(psSchemaNode, "/vsistdout/");
bFullyUnderstood = true;
/* ==================================================================== */
/* Process each feature class definition. */
/* ==================================================================== */
CPLXMLNode *psThis = psSchemaNode->psChild;
for( ; psThis != NULL; psThis = psThis->psNext )
{
/* -------------------------------------------------------------------- */
/* Check for <xs:element> node. */
/* -------------------------------------------------------------------- */
if( psThis->eType != CXT_Element
|| !EQUAL(psThis->pszValue,"element") )
continue;
/* -------------------------------------------------------------------- */
/* Check the substitution group. */
/* -------------------------------------------------------------------- */
const char *pszSubGroup =
StripNS(CPLGetXMLValue(psThis,"substitutionGroup",""));
// Old OGR produced elements for the feature collection.
if( EQUAL(pszSubGroup, "_FeatureCollection") )
continue;
if( !EQUAL(pszSubGroup, "_Feature") &&
!EQUAL(pszSubGroup, "AbstractFeature") /* AbstractFeature used by GML 3.2 */ )
{
continue;
}
/* -------------------------------------------------------------------- */
/* Get name */
/* -------------------------------------------------------------------- */
const char *pszName = CPLGetXMLValue( psThis, "name", NULL );
if( pszName == NULL )
{
continue;
}
/* -------------------------------------------------------------------- */
/* Get type and verify relationship with name. */
/* -------------------------------------------------------------------- */
const char *pszType = CPLGetXMLValue( psThis, "type", NULL );
if (pszType == NULL)
{
CPLXMLNode *psComplexType = CPLGetXMLNode( psThis, "complexType" );
if (psComplexType)
{
GMLFeatureClass* poClass =
GMLParseFeatureType(psSchemaNode, pszName, psComplexType);
if (poClass)
aosClasses.push_back(poClass);
else
bFullyUnderstood = false;
}
continue;
}
if( strstr( pszType, ":" ) != NULL )
pszType = strstr( pszType, ":" ) + 1;
if( EQUAL(pszType, pszName) )
{
/* A few WFS servers return a type name which is the element name */
/* without any _Type or Type suffix */
/* e.g. : http://apollo.erdas.com/erdas-apollo/vector/Cherokee?SERVICE=WFS&VERSION=1.0.0&REQUEST=DescribeFeatureType&TYPENAME=iwfs:Air */
}
/* <element name="RekisteriyksikonPalstanTietoja" type="ktjkiiwfs:PalstanTietojaType" substitutionGroup="gml:_Feature" /> */
else if( strlen(pszType) > 4 &&
strcmp(pszType + strlen(pszType) - 4, "Type") == 0 &&
strlen(pszName) > strlen(pszType) - 4 &&
strncmp(pszName + strlen(pszName) - (strlen(pszType) - 4),
pszType,
strlen(pszType) - 4) == 0 ) {
}
else if( !EQUALN(pszType,pszName,strlen(pszName))
|| !(EQUAL(pszType+strlen(pszName),"_Type") ||
EQUAL(pszType+strlen(pszName),"Type")) )
{
continue;
}
/* CanVec .xsd contains weird types that are not used in the related GML */
if (STARTS_WITH(pszName, "XyZz") ||
STARTS_WITH(pszName, "XyZ1") ||
STARTS_WITH(pszName, "XyZ2"))
continue;
GMLFeatureClass* poClass =
GMLParseFeatureType(psSchemaNode, pszName, pszType);
if (poClass)
aosClasses.push_back(poClass);
else
bFullyUnderstood = false;
}
CPLDestroyXMLNode( psXSDTree );
if( aosClasses.size() > 0 )
{
return true;
}
else
return false;
}
