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;
}