Esempio n. 1
0
        private void BuildDomFromSchema(JsonData data, string tableName, JsonSchema schema = null)
        {
            // first, create a new table instance for the data
            JsonSchemaTable table = new JsonSchemaTable(tableName, data, this, schema);

            TableList.Add(table);

            JsonData objectToParse;

            if (data != null && data.IsArray)
            {
                objectToParse = data.Count > 0 ? data[0] : null;
            }
            else
            {
                objectToParse = data;
            }

            //enumerate all schema
            foreach (var property in schema.Properties)
            {
                string   propertyName = property.Key;
                JsonData objectData   = null;
                if (objectToParse != null && objectToParse.ContainsKey(propertyName))
                {
                    objectData = objectToParse[propertyName];
                }

                if (property.Value.Type == JsonObjectType.Object)
                {
                    if (IsFlattableR(property.Value))
                    {
                        continue;
                    }
                    else
                    {
                        string            newTableName = GetUniqueTableName(propertyName);
                        JsonTableRelation relation     = new JsonTableRelation(GetUniqueRelationName(tableName, newTableName), tableName, newTableName);
                        RelationList.Add(relation);
                        BuildDomFromSchema(objectData, newTableName, schema.Properties[propertyName]);
                    }
                }
                // schema.Properties[propertyName].Item may be null if schema has no other definitions for the array ("Item": { "type": "array" }) => we wont add this array since it will always be an empty array with no columns
                else if (property.Value.Type == JsonObjectType.Array && schema.Properties[propertyName].Item != null)
                {
                    // need to add a table anyway, either for a true object or just a fake table using "ArrayValue" as field name
                    string            newTableName = GetUniqueTableName(propertyName);
                    JsonTableRelation relation     = new JsonTableRelation(GetUniqueRelationName(tableName, newTableName), tableName, newTableName);
                    RelationList.Add(relation);

                    // see if there is an object underneath
                    BuildDomFromSchema(objectData, newTableName, schema.Properties[propertyName].Item);
                }
            }
        }
 public JsonSchemaEnumerator(JsonData data, JsonSchema schemaData, JsonSchemaTable table, SchemaAwareJsonDataProvider provider) : base(data, table, provider)
 {
     _schemaData = schemaData;
 }