Possibility to set url for a feature info schema

Author: mhugent

src/mapserver/qgsconfigparser.h

@@ -136,6 +136,8 @@ class QgsConfigParser
     virtual QString featureInfoDocumentElement( const QString& defaultValue ) const { return defaultValue; }
     /**Returns document element namespace in GetFeatureInfo response or empty string*/
     virtual QString featureInfoDocumentElementNS() const { return ""; }
+    /**Returns schema url for feature info xsd (or an empty string if there is no schema)*/
+    virtual QString featureInfoSchema() const { return ""; }
 
     /**Return feature info in format SIA2045?*/
     virtual bool featureInfoFormatSIA2045() const { return false; }

src/mapserver/qgsprojectparser.cpp

@@ -1929,6 +1929,21 @@ QString QgsProjectParser::featureInfoDocumentElementNS() const
   return featureInfoDocumentNSElem.text();
 }
 
+QString QgsProjectParser::featureInfoSchema() const
+{
+  QDomElement propertiesElem = mXMLDoc->documentElement().firstChildElement( "properties" );
+  if ( propertiesElem.isNull() )
+  {
+    return "";
+  }
+  QDomElement featureInfoSchemaElem = propertiesElem.firstChildElement( "WMSFeatureInfoSchema" );
+  if ( featureInfoSchemaElem.isNull() )
+  {
+    return "";
+  }
+  return featureInfoSchemaElem.text();
+}
+
 bool QgsProjectParser::featureInfoFormatSIA2045() const
 {
   if ( !mXMLDoc )

src/mapserver/qgsprojectparser.h

@@ -118,6 +118,8 @@ class QgsProjectParser: public QgsConfigParser
 
     virtual QString featureInfoDocumentElementNS() const;
 
+    virtual QString featureInfoSchema() const;
+
     /**Return feature info in format SIA2045?*/
     bool featureInfoFormatSIA2045() const;
 

src/mapserver/qgswmsserver.cpp

@@ -740,6 +740,14 @@ int QgsWMSServer::getFeatureInfo( QDomDocument& result, QString version )
   {
     getFeatureInfoElement = result.createElementNS( featureInfoElemNS, featureInfoElemName );
   }
+  //feature info schema
+  QString featureInfoSchema = mConfigParser->featureInfoSchema();
+  if ( !featureInfoSchema.isEmpty() )
+  {
+    getFeatureInfoElement.setAttribute( "xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance" );
+    getFeatureInfoElement.setAttribute( "xsi:schemaLocation", featureInfoSchema );
+  }
+
   result.appendChild( getFeatureInfoElement );
 
   QStringList nonIdentifiableLayers = mConfigParser->identifyDisabledLayers();