258 lines
11 KiB
C#
258 lines
11 KiB
C#
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#region License
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// Copyright (c) 2007 James Newton-King
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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#endregion
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using System;
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using System.Collections.Generic;
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using LC.Newtonsoft.Json.Linq;
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using LC.Newtonsoft.Json.Serialization;
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using LC.Newtonsoft.Json.Utilities;
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#if !HAVE_LINQ
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using LC.Newtonsoft.Json.Utilities.LinqBridge;
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#else
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using System.Linq;
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#endif
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namespace LC.Newtonsoft.Json.Schema
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{
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[Obsolete("JSON Schema validation has been moved to its own package. See https://www.newtonsoft.com/jsonschema for more details.")]
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internal class JsonSchemaWriter
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{
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private readonly JsonWriter _writer;
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private readonly JsonSchemaResolver _resolver;
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public JsonSchemaWriter(JsonWriter writer, JsonSchemaResolver resolver)
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{
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ValidationUtils.ArgumentNotNull(writer, nameof(writer));
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_writer = writer;
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_resolver = resolver;
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}
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private void ReferenceOrWriteSchema(JsonSchema schema)
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{
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if (schema.Id != null && _resolver.GetSchema(schema.Id) != null)
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{
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_writer.WriteStartObject();
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_writer.WritePropertyName(JsonTypeReflector.RefPropertyName);
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_writer.WriteValue(schema.Id);
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_writer.WriteEndObject();
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}
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else
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{
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WriteSchema(schema);
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}
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}
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public void WriteSchema(JsonSchema schema)
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{
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ValidationUtils.ArgumentNotNull(schema, nameof(schema));
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if (!_resolver.LoadedSchemas.Contains(schema))
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{
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_resolver.LoadedSchemas.Add(schema);
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}
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_writer.WriteStartObject();
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.IdPropertyName, schema.Id);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.TitlePropertyName, schema.Title);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.DescriptionPropertyName, schema.Description);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.RequiredPropertyName, schema.Required);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.ReadOnlyPropertyName, schema.ReadOnly);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.HiddenPropertyName, schema.Hidden);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.TransientPropertyName, schema.Transient);
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if (schema.Type != null)
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{
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WriteType(JsonSchemaConstants.TypePropertyName, _writer, schema.Type.GetValueOrDefault());
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}
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if (!schema.AllowAdditionalProperties)
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{
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_writer.WritePropertyName(JsonSchemaConstants.AdditionalPropertiesPropertyName);
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_writer.WriteValue(schema.AllowAdditionalProperties);
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}
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else
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{
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if (schema.AdditionalProperties != null)
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{
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_writer.WritePropertyName(JsonSchemaConstants.AdditionalPropertiesPropertyName);
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ReferenceOrWriteSchema(schema.AdditionalProperties);
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}
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}
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if (!schema.AllowAdditionalItems)
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{
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_writer.WritePropertyName(JsonSchemaConstants.AdditionalItemsPropertyName);
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_writer.WriteValue(schema.AllowAdditionalItems);
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}
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else
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{
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if (schema.AdditionalItems != null)
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{
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_writer.WritePropertyName(JsonSchemaConstants.AdditionalItemsPropertyName);
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ReferenceOrWriteSchema(schema.AdditionalItems);
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}
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}
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WriteSchemaDictionaryIfNotNull(_writer, JsonSchemaConstants.PropertiesPropertyName, schema.Properties);
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WriteSchemaDictionaryIfNotNull(_writer, JsonSchemaConstants.PatternPropertiesPropertyName, schema.PatternProperties);
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WriteItems(schema);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.MinimumPropertyName, schema.Minimum);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.MaximumPropertyName, schema.Maximum);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.ExclusiveMinimumPropertyName, schema.ExclusiveMinimum);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.ExclusiveMaximumPropertyName, schema.ExclusiveMaximum);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.MinimumLengthPropertyName, schema.MinimumLength);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.MaximumLengthPropertyName, schema.MaximumLength);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.MinimumItemsPropertyName, schema.MinimumItems);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.MaximumItemsPropertyName, schema.MaximumItems);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.DivisibleByPropertyName, schema.DivisibleBy);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.FormatPropertyName, schema.Format);
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WritePropertyIfNotNull(_writer, JsonSchemaConstants.PatternPropertyName, schema.Pattern);
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if (schema.Enum != null)
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{
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_writer.WritePropertyName(JsonSchemaConstants.EnumPropertyName);
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_writer.WriteStartArray();
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foreach (JToken token in schema.Enum)
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{
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token.WriteTo(_writer);
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}
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_writer.WriteEndArray();
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}
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if (schema.Default != null)
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{
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_writer.WritePropertyName(JsonSchemaConstants.DefaultPropertyName);
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schema.Default.WriteTo(_writer);
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}
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if (schema.Disallow != null)
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{
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WriteType(JsonSchemaConstants.DisallowPropertyName, _writer, schema.Disallow.GetValueOrDefault());
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}
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if (schema.Extends != null && schema.Extends.Count > 0)
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{
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_writer.WritePropertyName(JsonSchemaConstants.ExtendsPropertyName);
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if (schema.Extends.Count == 1)
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{
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ReferenceOrWriteSchema(schema.Extends[0]);
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}
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else
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{
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_writer.WriteStartArray();
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foreach (JsonSchema jsonSchema in schema.Extends)
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{
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ReferenceOrWriteSchema(jsonSchema);
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}
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_writer.WriteEndArray();
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}
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}
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_writer.WriteEndObject();
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}
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private void WriteSchemaDictionaryIfNotNull(JsonWriter writer, string propertyName, IDictionary<string, JsonSchema> properties)
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{
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if (properties != null)
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{
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writer.WritePropertyName(propertyName);
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writer.WriteStartObject();
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foreach (KeyValuePair<string, JsonSchema> property in properties)
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{
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writer.WritePropertyName(property.Key);
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ReferenceOrWriteSchema(property.Value);
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}
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writer.WriteEndObject();
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}
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}
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private void WriteItems(JsonSchema schema)
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{
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if (schema.Items == null && !schema.PositionalItemsValidation)
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{
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return;
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}
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_writer.WritePropertyName(JsonSchemaConstants.ItemsPropertyName);
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if (!schema.PositionalItemsValidation)
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{
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if (schema.Items != null && schema.Items.Count > 0)
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{
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ReferenceOrWriteSchema(schema.Items[0]);
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}
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else
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{
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_writer.WriteStartObject();
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_writer.WriteEndObject();
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}
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return;
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}
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_writer.WriteStartArray();
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if (schema.Items != null)
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{
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foreach (JsonSchema itemSchema in schema.Items)
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{
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ReferenceOrWriteSchema(itemSchema);
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}
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}
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_writer.WriteEndArray();
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}
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private void WriteType(string propertyName, JsonWriter writer, JsonSchemaType type)
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{
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if (Enum.IsDefined(typeof(JsonSchemaType), type))
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{
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writer.WritePropertyName(propertyName);
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writer.WriteValue(JsonSchemaBuilder.MapType(type));
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}
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else
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{
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IEnumerator<JsonSchemaType> en = EnumUtils.GetFlagsValues(type).Where(v => v != JsonSchemaType.None).GetEnumerator();
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if (en.MoveNext())
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{
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writer.WritePropertyName(propertyName);
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JsonSchemaType first = en.Current;
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if (en.MoveNext())
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{
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writer.WriteStartArray();
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writer.WriteValue(JsonSchemaBuilder.MapType(first));
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do
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{
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writer.WriteValue(JsonSchemaBuilder.MapType(en.Current));
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} while (en.MoveNext());
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writer.WriteEndArray();
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}
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else
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{
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writer.WriteValue(JsonSchemaBuilder.MapType(first));
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}
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}
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}
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}
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private void WritePropertyIfNotNull(JsonWriter writer, string propertyName, object value)
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{
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if (value != null)
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{
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writer.WritePropertyName(propertyName);
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writer.WriteValue(value);
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}
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}
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}
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}
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