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using System;
using System.Linq;
using System.Collections.Generic;
namespace UniJSON
{
/// <summary>
/// http://json-schema.org/latest/json-schema-validation.html#rfc.section.6.5
/// </summary>
public class JsonDictionaryValidator<T> : IJsonSchemaValidator
{
public JsonDictionaryValidator()
{
AdditionalProperties = JsonSchema.FromType<T>();
}
/// <summary>
/// http://json-schema.org/latest/json-schema-validation.html#rfc.section.6.5.1
/// </summary>
public int MaxProperties
{
get; set;
}
/// <summary>
/// http://json-schema.org/latest/json-schema-validation.html#rfc.section.6.5.2
/// </summary>
public int MinProperties
{
get; set;
}
List<string> m_required = new List<string>();
/// <summary>
/// http://json-schema.org/latest/json-schema-validation.html#rfc.section.6.5.3
/// </summary>
public List<string> Required
{
get { return m_required; }
}
/// <summary>
/// http://json-schema.org/latest/json-schema-validation.html#rfc.section.6.5.5
/// </summary>
public string PatternProperties
{
get; private set;
}
/// <summary>
/// http://json-schema.org/latest/json-schema-validation.html#rfc.section.6.5.6
/// </summary>
public JsonSchema AdditionalProperties
{
get; set;
}
Dictionary<string, string[]> m_dependencies;
/// <summary>
/// http://json-schema.org/latest/json-schema-validation.html#rfc.section.6.5.7
/// </summary>
public Dictionary<string, string[]> Dependencies
{
get
{
if (m_dependencies == null)
{
m_dependencies = new Dictionary<string, string[]>();
}
return m_dependencies;
}
}
public override int GetHashCode()
{
return 6;
}
public override bool Equals(object obj)
{
var rhs = obj as JsonObjectValidator;
if (rhs == null)
{
return false;
}
if (Required.Count != rhs.Required.Count)
{
return false;
}
if (!Required.OrderBy(x => x).SequenceEqual(rhs.Required.OrderBy(x => x)))
{
return false;
}
if (Dependencies.Count != rhs.Dependencies.Count)
{
return false;
}
foreach (var kv in Dependencies)
{
if (!kv.Value.OrderBy(x => x).SequenceEqual(rhs.Dependencies[kv.Key].OrderBy(x => x)))
{
return false;
}
}
if (AdditionalProperties == null
&& rhs.AdditionalProperties == null)
{
// ok
}
else if (AdditionalProperties == null)
{
return false;
}
else if (rhs.AdditionalProperties == null)
{
return false;
}
else
{
if (!AdditionalProperties.Equals(rhs.AdditionalProperties))
{
return false;
}
}
return true;
}
public void Merge(IJsonSchemaValidator obj)
{
var rhs = obj as JsonObjectValidator;
if (rhs == null)
{
throw new ArgumentException();
}
foreach (var x in rhs.Required)
{
this.Required.Add(x);
}
if (rhs.AdditionalProperties != null)
{
if (AdditionalProperties != null)
{
throw new NotImplementedException();
}
AdditionalProperties = rhs.AdditionalProperties;
}
}
public bool FromJsonSchema(IFileSystemAccessor fs, string key, ListTreeNode<JsonValue> value)
{
switch (key)
{
case "maxProperties":
MaxProperties = value.GetInt32();
return true;
case "minProperties":
MinProperties = value.GetInt32();
return true;
case "required":
{
foreach (var req in value.ArrayItems())
{
m_required.Add(req.GetString());
}
}
return true;
case "patternProperties":
PatternProperties = value.GetString();
return true;
case "additionalProperties":
{
var sub = new JsonSchema();
sub.Parse(fs, value, "additionalProperties");
AdditionalProperties = sub;
}
return true;
case "dependencies":
{
foreach (var kv in value.ObjectItems())
{
Dependencies.Add(kv.Key.GetString(), kv.Value.ArrayItems().Select(x => x.GetString()).ToArray());
}
}
return true;
case "propertyNames":
return true;
}
return false;
}
public void ToJsonSchema(IFormatter f)
{
f.Key("type"); f.Value("object");
}
public JsonSchemaValidationException Validate<S>(JsonSchemaValidationContext c, S o)
{
if (o == null)
{
return new JsonSchemaValidationException(c, "null");
}
var d = o as IDictionary<string, T>;
if (d == null)
{
return new JsonSchemaValidationException(c, "not dictionary");
}
if (Required != null)
{
foreach (var x in Required)
{
using (c.Push(x))
{
// ToDo
}
}
}
if (AdditionalProperties != null)
{
foreach (var kv in d)
{
using (c.Push(kv.Key))
{
var result = AdditionalProperties.Validator.Validate(c, kv.Value);
if (result != null)
{
return result;
}
}
}
}
return null;
}
Dictionary<string, object> m_validValueMap = new Dictionary<string, object>();
public void Serialize<S>(IFormatter f, JsonSchemaValidationContext c, S o)
{
// validate properties
m_validValueMap.Clear();
var dict = o as Dictionary<string, T>;
f.BeginMap(dict.Count);
{
foreach (var kv in dict)
{
// key
f.Key(kv.Key);
// value
//using (c.Push(kv.Key))
{
AdditionalProperties.Validator.Serialize(f, c, kv.Value);
}
}
}
f.EndMap();
}
public void Deserialize<U, V>(ListTreeNode<U> src, ref V dst)
where U : IListTreeItem, IValue<U>
{
src.Deserialize(ref dst);
}
}
public static class JsonDictionaryValidator
{
public static JsonDictionaryValidator<T> Create<T>()
{
return new JsonDictionaryValidator<T>();
}
#region AOT
public static JsonDictionaryValidator<Single> CreateSingle()
{
return Create<Single>();
}
public static JsonDictionaryValidator<Int32> CreateInt32()
{
return Create<Int32>();
}
public static JsonDictionaryValidator<Boolean> CreateBoolean()
{
return Create<Boolean>();
}
#endregion
}
}
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