private static IEnumerable <KeyValuePair <String, PropertyValue> > GetMergedProperties(
TemplateSchema schema,
MappingDefinition mapping)
{
foreach (var property in mapping.Properties)
{
yield return(property);
}
if (!String.IsNullOrEmpty(mapping.Inherits))
{
var inherited = schema.GetDefinition(mapping.Inherits) as MappingDefinition;
if (!String.IsNullOrEmpty(inherited.Inherits))
{
throw new NotSupportedException("Multiple levels of inheritance is not supported");
}
foreach (var property in inherited.Properties)
{
if (!mapping.Properties.ContainsKey(property.Key))
{
yield return(property);
}
}
}
}
internal Boolean HasProperties(MappingDefinition definition)
{
for (int i = 0; i < 10; i++)
{
if (definition.Properties.Count > 0)
{
return(true);
}
if (String.IsNullOrEmpty(definition.Inherits))
{
return(false);
}
definition = GetDefinition(definition.Inherits) as MappingDefinition;
}
throw new InvalidOperationException("Inheritance depth exceeded 10");
}
internal Boolean TryGetProperty(
MappingDefinition definition,
String name,
out String type)
{
for (int i = 0; i < 10; i++)
{
if (definition.Properties.TryGetValue(name, out PropertyValue property))
{
type = property.Type;
return(true);
}
if (String.IsNullOrEmpty(definition.Inherits))
{
type = default;
return(false);
}
definition = GetDefinition(definition.Inherits) as MappingDefinition;
}
throw new InvalidOperationException("Inheritance depth exceeded 10");
}
private TemplateSchema(MappingToken mapping)
{
// Add built-in type: null
var nullDefinition = new NullDefinition();
Definitions.Add(TemplateConstants.Null, nullDefinition);
// Add built-in type: boolean
var booleanDefinition = new BooleanDefinition();
Definitions.Add(TemplateConstants.Boolean, booleanDefinition);
// Add built-in type: number
var numberDefinition = new NumberDefinition();
Definitions.Add(TemplateConstants.Number, numberDefinition);
// Add built-in type: string
var stringDefinition = new StringDefinition();
Definitions.Add(TemplateConstants.String, stringDefinition);
// Add built-in type: sequence
var sequenceDefinition = new SequenceDefinition {
ItemType = TemplateConstants.Any
};
Definitions.Add(TemplateConstants.Sequence, sequenceDefinition);
// Add built-in type: mapping
var mappingDefinition = new MappingDefinition {
LooseKeyType = TemplateConstants.String, LooseValueType = TemplateConstants.Any
};
Definitions.Add(TemplateConstants.Mapping, mappingDefinition);
// Add built-in type: any
var anyDefinition = new OneOfDefinition();
anyDefinition.OneOf.Add(TemplateConstants.Null);
anyDefinition.OneOf.Add(TemplateConstants.Boolean);
anyDefinition.OneOf.Add(TemplateConstants.Number);
anyDefinition.OneOf.Add(TemplateConstants.String);
anyDefinition.OneOf.Add(TemplateConstants.Sequence);
anyDefinition.OneOf.Add(TemplateConstants.Mapping);
Definitions.Add(TemplateConstants.Any, anyDefinition);
if (mapping != null)
{
foreach (var pair in mapping)
{
var key = pair.Key.AssertString($"{TemplateConstants.TemplateSchema} key");
switch (key.Value)
{
case TemplateConstants.Version:
var version = pair.Value.AssertString(TemplateConstants.Version);
Version = version.Value;
break;
case TemplateConstants.Definitions:
var definitions = pair.Value.AssertMapping(TemplateConstants.Definitions);
foreach (var definitionsPair in definitions)
{
var definitionsKey = definitionsPair.Key.AssertString($"{TemplateConstants.Definitions} key");
var definitionsValue = definitionsPair.Value.AssertMapping(TemplateConstants.Definition);
var definition = default(Definition);
foreach (var definitionPair in definitionsValue)
{
var definitionKey = definitionPair.Key.AssertString($"{TemplateConstants.Definition} key");
switch (definitionKey.Value)
{
case TemplateConstants.Null:
definition = new NullDefinition(definitionsValue);
break;
case TemplateConstants.Boolean:
definition = new BooleanDefinition(definitionsValue);
break;
case TemplateConstants.Number:
definition = new NumberDefinition(definitionsValue);
break;
case TemplateConstants.String:
definition = new StringDefinition(definitionsValue);
break;
case TemplateConstants.Sequence:
definition = new SequenceDefinition(definitionsValue);
break;
case TemplateConstants.Mapping:
definition = new MappingDefinition(definitionsValue);
break;
case TemplateConstants.OneOf:
definition = new OneOfDefinition(definitionsValue);
break;
case TemplateConstants.Context:
case TemplateConstants.Description:
continue;
default:
definitionKey.AssertUnexpectedValue("definition mapping key"); // throws
break;
}
break;
}
if (definition == null)
{
throw new ArgumentException($"Unable to determine definition details. Specify the '{TemplateConstants.Structure}' property");
}
Definitions.Add(definitionsKey.Value, definition);
}
break;
default:
key.AssertUnexpectedValue($"{TemplateConstants.TemplateSchema} key"); // throws
break;
}
}
}
}
