/// <summary>
/// Provides the validation logic for this keyword.
/// </summary>
/// <param name="context">The context object.</param>
/// <returns>Results object containing a final result and any errors that may have been found.</returns>
public SchemaValidationResults Validate(SchemaValidationContext context)
{
if (context.Instance.Type != JsonValueType.Array)
{
return(new SchemaValidationResults(Name, context));
}
var itemsKeyword = context.Local.Get <ItemsKeyword?>();
if (itemsKeyword == null || !itemsKeyword.IsArray)
{
return(new SchemaValidationResults(Name, context));
}
var nestedResults = new List <SchemaValidationResults>();
var array = context.Instance.Array;
var results = new SchemaValidationResults(Name, context);
var valid = true;
var reportChildErrors = context.Options.ShouldReportChildErrors(this, context);
var startIndex = context.LocalTierLastEvaluatedIndex + 1;
var failedIndices = new JsonArray();
Log.Schema(() => startIndex == 0
? "No indices have been evaluated; process all"
: $"Indices up to {context.LastEvaluatedIndex} have been evaluated; skipping these");
if (startIndex < array.Count)
{
if (Value == JsonSchema.False)
{
Log.Schema(() => $"Subschema is `false`; all instances after index {startIndex} are invalid");
results.IsValid = false;
results.Keyword = Name;
results.AdditionalInfo["indices"] = Enumerable.Range(startIndex, array.Count - startIndex).ToJson();
results.ErrorMessage = ErrorTemplate_False.ResolveTokens(results.AdditionalInfo);
return(results);
}
var eligibleItems = array.Skip(startIndex);
var index = startIndex;
foreach (var item in eligibleItems)
{
var baseRelativeLocation = context.BaseRelativeLocation?.CloneAndAppend(Name);
var relativeLocation = context.RelativeLocation.CloneAndAppend(Name);
var newContext = new SchemaValidationContext(context)
{
Instance = item,
BaseRelativeLocation = baseRelativeLocation,
RelativeLocation = relativeLocation,
InstanceLocation = context.InstanceLocation.CloneAndAppend(index.ToString()),
};
var localResults = Value.Validate(newContext);
if (!localResults.IsValid)
{
failedIndices.Add(index);
}
else if (context.ShouldTrackValidatedValues)
{
newContext.LocallyValidatedIndices.Add(index);
}
valid &= localResults.IsValid;
context.LastEvaluatedIndex = Math.Max(context.LastEvaluatedIndex, index);
context.LocalTierLastEvaluatedIndex = Math.Max(context.LastEvaluatedIndex, index);
context.UpdateEvaluatedPropertiesAndItemsFromSubschemaValidation(newContext);
index++;
if (context.Options.OutputFormat == SchemaValidationOutputFormat.Flag)
{
if (!valid)
{
Log.Schema(() => "Subschema failed; halting validation early");
break;
}
}
else if (reportChildErrors)
{
nestedResults.Add(localResults);
}
}
}
else
{
Log.Schema(() => "All items have been validated");
}
results.NestedResults = nestedResults;
results.IsValid = valid;
results.Keyword = Name;
if (!valid)
{
results.AdditionalInfo["indices"] = failedIndices;
results.ErrorMessage = ErrorTemplate.ResolveTokens(results.AdditionalInfo);
}
return(results);
}
/// <summary>
/// Provides the validation logic for this keyword.
/// </summary>
/// <param name="context">The context object.</param>
/// <returns>Results object containing a final result and any errors that may have been found.</returns>
public SchemaValidationResults Validate(SchemaValidationContext context)
{
if (context.Instance.Type != JsonValueType.Object)
{
Log.Schema(() => "Instance not an object; not applicable");
return(new SchemaValidationResults(Name, context));
}
var obj = context.Instance.Object;
var results = new SchemaValidationResults(Name, context);
var toEvaluate = obj.Where(kvp => !context.LocallyEvaluatedPropertyNames.Contains(kvp.Key)) !.ToJson();
if (toEvaluate.Count == 0)
{
Log.Schema(() => "All properties have been evaluated");
return(results);
}
Log.Schema(() => context.LocallyEvaluatedPropertyNames.Count == 0
? "No properties have been evaluated; process all"
: $"Properties {context.LocallyEvaluatedPropertyNames.ToJson()} have been evaluated; skipping these");
if (Value == JsonSchema.False && toEvaluate.Any())
{
Log.Schema(() => "Subschema is `false`; all instances invalid");
results.IsValid = false;
results.Keyword = Name;
results.AdditionalInfo["properties"] = toEvaluate.Keys.ToJson();
results.ErrorMessage = ErrorTemplate_False.ResolveTokens(results.AdditionalInfo);
return(results);
}
var valid = true;
var reportChildErrors = context.Options.ShouldReportChildErrors(this, context);
var nestedResults = new List <SchemaValidationResults>();
var failedProperties = new JsonArray();
foreach (var kvp in toEvaluate)
{
if (context.ShouldTrackValidatedValues)
{
context.EvaluatedPropertyNames.Add(kvp.Key);
}
context.LocallyEvaluatedPropertyNames.Add(kvp.Key);
var newContext = new SchemaValidationContext(context)
{
Instance = kvp.Value,
BaseRelativeLocation = context.BaseRelativeLocation?.CloneAndAppend(Name),
RelativeLocation = context.RelativeLocation.CloneAndAppend(Name),
InstanceLocation = context.InstanceLocation.CloneAndAppend(kvp.Key),
};
var localResults = Value.Validate(newContext);
if (!localResults.IsValid)
{
failedProperties.Add(kvp.Key);
}
else
{
if (context.ShouldTrackValidatedValues)
{
newContext.LocallyEvaluatedPropertyNames.Add(kvp.Key);
}
context.UpdateEvaluatedPropertiesAndItemsFromSubschemaValidation(newContext);
}
valid &= localResults.IsValid;
if (context.Options.OutputFormat == SchemaValidationOutputFormat.Flag)
{
if (!valid)
{
Log.Schema(() => "Subschema failed; halting validation early");
break;
}
}
else if (reportChildErrors)
{
nestedResults.Add(localResults);
}
}
results.NestedResults = nestedResults;
if (!valid || nestedResults.Any(r => !r.IsValid))
{
results.IsValid = false;
results.Keyword = Name;
results.AdditionalInfo["properties"] = failedProperties;
results.ErrorMessage = ErrorTemplate.ResolveTokens(results.AdditionalInfo);
}
return(results);
}
