private void Validate(
ref LiteralToken literal,
DefinitionInfo definition)
{
// Legal
var literal2 = literal;
if (definition.Get <ScalarDefinition>().Any(x => x.IsMatch(literal2)))
{
return;
}
// Not a string, convert
if (literal.Type != TokenType.String)
{
var stringToken = new StringToken(literal.FileId, literal.Line, literal.Column, literal.ToString());
// Legal
if (definition.Get <StringDefinition>().Any(x => x.IsMatch(stringToken)))
{
literal = stringToken;
return;
}
}
// Illegal
m_context.Error(literal, TemplateStrings.UnexpectedValue(literal));
}
private void SkipValue(Boolean error = false)
{
m_memory.IncrementEvents();
// Scalar
if (m_objectReader.AllowLiteral(out LiteralToken literal))
{
if (error)
{
m_context.Error(literal, TemplateStrings.UnexpectedValue(literal));
}
return;
}
// Sequence
if (m_objectReader.AllowSequenceStart(out SequenceToken sequence))
{
m_memory.IncrementDepth();
if (error)
{
m_context.Error(sequence, TemplateStrings.UnexpectedSequenceStart());
}
while (!m_objectReader.AllowSequenceEnd())
{
SkipValue();
}
m_memory.DecrementDepth();
return;
}
// Mapping
if (m_objectReader.AllowMappingStart(out MappingToken mapping))
{
m_memory.IncrementDepth();
if (error)
{
m_context.Error(mapping, TemplateStrings.UnexpectedMappingStart());
}
while (!m_objectReader.AllowMappingEnd())
{
SkipValue();
SkipValue();
}
m_memory.DecrementDepth();
return;
}
// Unexpected
throw new InvalidOperationException(TemplateStrings.ExpectedScalarSequenceOrMapping());
}
private void Validate(
ref ScalarToken scalar,
DefinitionInfo definition)
{
switch (scalar.Type)
{
case TokenType.Null:
case TokenType.Boolean:
case TokenType.Number:
case TokenType.String:
var literal = scalar as LiteralToken;
// Legal
if (definition.Get <ScalarDefinition>().Any(x => x.IsMatch(literal)))
{
return;
}
// Not a string, convert
if (literal.Type != TokenType.String)
{
literal = new StringToken(literal.FileId, literal.Line, literal.Column, literal.ToString());
// Legal
if (definition.Get <StringDefinition>().Any(x => x.IsMatch(literal)))
{
scalar = literal;
return;
}
}
// Illegal
m_context.Error(literal, TemplateStrings.UnexpectedValue(literal));
break;
case TokenType.BasicExpression:
// Illegal
if (definition.AllowedContext.Length == 0)
{
m_context.Error(scalar, TemplateStrings.ExpressionNotAllowed());
}
break;
default:
m_context.Error(scalar, TemplateStrings.UnexpectedValue(scalar));
break;
}
}
private void HandleMappingWithWellKnownProperties(
DefinitionInfo definition,
List <MappingDefinition> mappingDefinitions,
MappingToken mapping)
{
// Check if loose properties are allowed
String looseKeyType = null;
String looseValueType = null;
DefinitionInfo?looseKeyDefinition = null;
DefinitionInfo?looseValueDefinition = null;
if (!String.IsNullOrEmpty(mappingDefinitions[0].LooseKeyType))
{
looseKeyType = mappingDefinitions[0].LooseKeyType;
looseValueType = mappingDefinitions[0].LooseValueType;
}
var keys = new HashSet <String>(StringComparer.OrdinalIgnoreCase);
while (m_unraveler.AllowScalar(definition.Expand, out ScalarToken nextKeyScalar))
{
// Expression
if (nextKeyScalar is ExpressionToken)
{
var anyDefinition = new DefinitionInfo(definition, TemplateConstants.Any);
mapping.Add(nextKeyScalar, Evaluate(anyDefinition));
continue;
}
// Not a string, convert
if (!(nextKeyScalar is StringToken nextKey))
{
nextKey = new StringToken(nextKeyScalar.FileId, nextKeyScalar.Line, nextKeyScalar.Column, nextKeyScalar.ToString());
}
// Duplicate
if (!keys.Add(nextKey.Value))
{
m_context.Error(nextKey, TemplateStrings.ValueAlreadyDefined(nextKey.Value));
m_unraveler.SkipMappingValue();
continue;
}
// Well known
if (m_schema.TryMatchKey(mappingDefinitions, nextKey.Value, out String nextValueType))
{
var nextValueDefinition = new DefinitionInfo(definition, nextValueType);
var nextValue = Evaluate(nextValueDefinition);
mapping.Add(nextKey, nextValue);
continue;
}
// Loose
if (looseKeyType != null)
{
if (looseKeyDefinition == null)
{
looseKeyDefinition = new DefinitionInfo(definition, looseKeyType);
looseValueDefinition = new DefinitionInfo(definition, looseValueType);
}
Validate(nextKey, looseKeyDefinition.Value);
var nextValue = Evaluate(looseValueDefinition.Value);
mapping.Add(nextKey, nextValue);
continue;
}
// Error
m_context.Error(nextKey, TemplateStrings.UnexpectedValue(nextKey.Value));
m_unraveler.SkipMappingValue();
}
// Only one
if (mappingDefinitions.Count > 1)
{
var hitCount = new Dictionary <String, Int32>();
foreach (MappingDefinition mapdef in mappingDefinitions)
{
foreach (String key in mapdef.Properties.Keys)
{
if (!hitCount.TryGetValue(key, out Int32 value))
{
hitCount.Add(key, 1);
}
else
{
hitCount[key] = value + 1;
}
}
}
List <String> nonDuplicates = new List <String>();
foreach (String key in hitCount.Keys)
{
if (hitCount[key] == 1)
{
nonDuplicates.Add(key);
}
}
nonDuplicates.Sort();
String listToDeDuplicate = String.Join(", ", nonDuplicates);
m_context.Error(mapping, TemplateStrings.UnableToDetermineOneOf(listToDeDuplicate));
}
m_unraveler.ReadMappingEnd();
}
private void HandleMappingWithWellKnownProperties(
DefinitionInfo definition,
List <MappingDefinition> mappingDefinitions,
MappingToken mapping)
{
// Check if loose properties are allowed
String looseKeyType = null;
String looseValueType = null;
DefinitionInfo?looseKeyDefinition = null;
DefinitionInfo?looseValueDefinition = null;
if (!String.IsNullOrEmpty(mappingDefinitions[0].LooseKeyType))
{
looseKeyType = mappingDefinitions[0].LooseKeyType;
looseValueType = mappingDefinitions[0].LooseValueType;
}
var keys = new HashSet <String>(StringComparer.OrdinalIgnoreCase);
var hasExpressionKey = false;
while (m_objectReader.AllowLiteral(out LiteralToken rawLiteral))
{
var nextKeyScalar = ParseScalar(rawLiteral, definition.AllowedContext);
// Expression
if (nextKeyScalar is ExpressionToken)
{
hasExpressionKey = true;
// Legal
if (definition.AllowedContext.Length > 0)
{
m_memory.AddBytes(nextKeyScalar);
var anyDefinition = new DefinitionInfo(definition, TemplateConstants.Any);
mapping.Add(nextKeyScalar, ReadValue(anyDefinition));
}
// Illegal
else
{
m_context.Error(nextKeyScalar, TemplateStrings.ExpressionNotAllowed());
SkipValue();
}
continue;
}
// Not a string, convert
if (!(nextKeyScalar is StringToken nextKey))
{
nextKey = new StringToken(nextKeyScalar.FileId, nextKeyScalar.Line, nextKeyScalar.Column, nextKeyScalar.ToString());
}
// Duplicate
if (!keys.Add(nextKey.Value))
{
m_context.Error(nextKey, TemplateStrings.ValueAlreadyDefined(nextKey.Value));
SkipValue();
continue;
}
// Well known
if (m_schema.TryMatchKey(mappingDefinitions, nextKey.Value, out String nextValueType))
{
m_memory.AddBytes(nextKey);
var nextValueDefinition = new DefinitionInfo(definition, nextValueType);
var nextValue = ReadValue(nextValueDefinition);
mapping.Add(nextKey, nextValue);
continue;
}
// Loose
if (looseKeyType != null)
{
if (looseKeyDefinition == null)
{
looseKeyDefinition = new DefinitionInfo(definition, looseKeyType);
looseValueDefinition = new DefinitionInfo(definition, looseValueType);
}
Validate(nextKey, looseKeyDefinition.Value);
m_memory.AddBytes(nextKey);
var nextValue = ReadValue(looseValueDefinition.Value);
mapping.Add(nextKey, nextValue);
continue;
}
// Error
m_context.Error(nextKey, TemplateStrings.UnexpectedValue(nextKey.Value));
SkipValue();
}
// Only one
if (mappingDefinitions.Count > 1)
{
var hitCount = new Dictionary <String, Int32>();
foreach (MappingDefinition mapdef in mappingDefinitions)
{
foreach (String key in mapdef.Properties.Keys)
{
if (!hitCount.TryGetValue(key, out Int32 value))
{
hitCount.Add(key, 1);
}
else
{
hitCount[key] = value + 1;
}
}
}
List <String> nonDuplicates = new List <String>();
foreach (String key in hitCount.Keys)
{
if (hitCount[key] == 1)
{
nonDuplicates.Add(key);
}
}
nonDuplicates.Sort();
String listToDeDuplicate = String.Join(", ", nonDuplicates);
m_context.Error(mapping, TemplateStrings.UnableToDetermineOneOf(listToDeDuplicate));
}
else if (mappingDefinitions.Count == 1 && !hasExpressionKey)
{
foreach (var property in mappingDefinitions[0].Properties)
{
if (property.Value.Required)
{
if (!keys.Contains(property.Key))
{
m_context.Error(mapping, $"Required property is missing: {property.Key}");
}
}
}
}
ExpectMappingEnd();
}