/
DslPrettyPrintVisitor.cs
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/
DslPrettyPrintVisitor.cs
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/* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*
* Licensed to Elasticsearch B.V. under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch B.V. licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using OpenSearch.Net;
namespace OpenSearch.Client
{
public class DslPrettyPrintVisitor : IQueryVisitor
{
private readonly Inferrer _infer;
private readonly StringBuilder _sb;
private string _final;
public DslPrettyPrintVisitor(IConnectionSettingsValues settings)
{
_sb = new StringBuilder();
_infer = settings.Inferrer;
}
public virtual int Depth { get; set; }
public bool IsConditionless { get; set; }
public bool IsStrict { get; set; }
public bool IsVerbatim { get; set; }
public string PrettyPrint
{
get
{
if (_final.IsNullOrEmpty())
_final = _sb.ToString();
return _final;
}
}
public virtual VisitorScope Scope { get; set; }
public virtual void Visit(IQueryContainer baseQuery)
{
IsConditionless = baseQuery.IsConditionless;
IsStrict = baseQuery.IsStrict;
IsVerbatim = baseQuery.IsVerbatim;
}
public virtual void Visit(IQuery query) { }
public virtual void Visit(IBoolQuery query) => Write("bool");
public virtual void Visit(IBoostingQuery query) => Write("boosting");
public virtual void Visit(IConstantScoreQuery query) => Write("constant_score");
public virtual void Visit(IDisMaxQuery query) => Write("dis_max");
public virtual void Visit(IDistanceFeatureQuery query) => Write("distance_feature");
public virtual void Visit(ISpanContainingQuery query) => Write("span_containing");
public virtual void Visit(ISpanWithinQuery query) => Write("span_within");
public virtual void Visit(IDateRangeQuery query) => Write("date_range");
public virtual void Visit(INumericRangeQuery query) => Write("numeric_range");
public virtual void Visit(ILongRangeQuery query) => Write("long_range");
public virtual void Visit(ITermRangeQuery query) => Write("term_range");
public virtual void Visit(IFunctionScoreQuery query) => Write("function_core");
public virtual void Visit(IFuzzyQuery query) => Write("fuzzy", query.Field);
public virtual void Visit(IFuzzyNumericQuery query) => Write("fuzzy_numeric", query.Field);
public virtual void Visit(IFuzzyDateQuery query) => Write("fuzzy_date", query.Field);
public virtual void Visit(IFuzzyStringQuery query) => Write("fuzzy_string", query.Field);
public virtual void Visit(IGeoShapeQuery query) => WriteShape(query.Shape, query.IndexedShape, query.Field, "geo_shape");
public virtual void Visit(IShapeQuery query) => WriteShape(query.Shape, query.IndexedShape, query.Field, "shape");
private void WriteShape(IGeoShape shape, IFieldLookup indexedField, Field field, string queryType)
{
// ReSharper disable UnusedVariable
switch (shape)
{
case null when indexedField != null:
Write("geo_indexed_shape");
break;
case ICircleGeoShape circleGeoShape:
Write("geo_shape_circle");
break;
case IEnvelopeGeoShape envelopeGeoShape:
Write("geo_shape_envelope");
break;
case IGeometryCollection geometryCollection:
Write("geo_shape_geometrycollection");
break;
case ILineStringGeoShape lineStringGeoShape:
Write("geo_shape_linestring");
break;
case IMultiLineStringGeoShape multiLineStringGeoShape:
Write("geo_shape_multi_linestring");
break;
case IMultiPointGeoShape multiPointGeoShape:
Write("geo_shape_multi_point");
break;
case IMultiPolygonGeoShape multiPolygonGeoShape:
Write("geo_shape_multi_polygon");
break;
case IPointGeoShape pointGeoShape:
Write("geo_shape_point");
break;
case IPolygonGeoShape polygonGeoShape:
Write("geo_shape_polygon");
break;
// ReSharper restore UnusedVariable
default:
Write(queryType, field);
break;
}
}
public virtual void Visit(IHasChildQuery query) => Write("has_child");
public virtual void Visit(IHasParentQuery query) => Write("has_parent");
public virtual void Visit(IIdsQuery query) => Write("ids");
public virtual void Visit(IIntervalsQuery query) => Write("intervals");
public virtual void Visit(IKnnQuery query) => Write("knn", query.Field);
public virtual void Visit(IMatchQuery query) => Write("match", query.Field);
public virtual void Visit(IMatchPhraseQuery query) => Write("match_phrase", query.Field);
public virtual void Visit(IMatchPhrasePrefixQuery query) => Write("match_phrase_prefix", query.Field);
public virtual void Visit(IMatchAllQuery query) => Write("match_all");
public virtual void Visit(IMatchBoolPrefixQuery query) => Write("match_bool_prefix");
public virtual void Visit(IMatchNoneQuery query) => Write("match_none");
public virtual void Visit(IMoreLikeThisQuery query) => Write("more_like_this");
public virtual void Visit(IMultiMatchQuery query) => Write("multi_match");
public virtual void Visit(INestedQuery query) => Write("nested");
public virtual void Visit(IPrefixQuery query) => Write("prefix");
public virtual void Visit(IQueryStringQuery query) => Write("query_string");
public virtual void Visit(IRankFeatureQuery query) => Write("rank_feature");
public virtual void Visit(IRangeQuery query) => Write("range");
public virtual void Visit(IRegexpQuery query) => Write("regexp");
public virtual void Visit(ISimpleQueryStringQuery query) => Write("simple_query_string");
public virtual void Visit(ISpanFirstQuery query) => Write("span_first");
public virtual void Visit(ISpanNearQuery query) => Write("span_near");
public virtual void Visit(ISpanNotQuery query) => Write("span_not");
public virtual void Visit(ISpanOrQuery query) => Write("span_or");
public virtual void Visit(ISpanTermQuery query) => Write("span_term");
public virtual void Visit(ISpanFieldMaskingQuery query) => Write("field_masking_span");
public virtual void Visit(ITermQuery query) => Write("term", query.Field);
public virtual void Visit(IWildcardQuery query) => Write("wildcard");
public virtual void Visit(ITermsQuery query) => Write("terms");
public virtual void Visit(IGeoPolygonQuery query) => Write("geo_polygon");
public virtual void Visit(IGeoDistanceQuery query) => Write("geo_distance");
public virtual void Visit(ISpanMultiTermQuery query) => Write("span_multi_term");
public virtual void Visit(ISpanSubQuery query) => Write("span_sub");
public virtual void Visit(ISpanQuery query) => Write("span");
public virtual void Visit(IGeoBoundingBoxQuery query) => Write("geo_bounding_box");
public virtual void Visit(IExistsQuery query) => Write("exists");
public virtual void Visit(IScriptQuery query) => Write("script");
public virtual void Visit(IScriptScoreQuery query) => Write("script_score");
public virtual void Visit(IRawQuery query) => Write("raw");
public virtual void Visit(IPercolateQuery query) => Write("percolate");
public virtual void Visit(IParentIdQuery query) => Write("parent_id");
public virtual void Visit(ITermsSetQuery query) => Write("terms_set");
private void Write(string queryType, Dictionary<string, string> properties)
{
properties = properties ?? new Dictionary<string, string>();
var props = string.Join(", ", properties.Select(kv => $"{kv.Key}: {kv.Value}"));
var indent = new string('-', (Depth - 1) * 2);
var scope = Scope.GetStringValue().ToLowerInvariant();
_sb.AppendFormat("{0}{1}: {2} ({3}){4}", indent, scope, queryType, props, Environment.NewLine);
}
private void Write(string queryType, Field field = null) => Write(queryType, field == null
? null
: new Dictionary<string, string> { { "field", _infer.Field(field) } });
public virtual void Visit(IConditionlessQuery query) => Write("conditonless_query");
}
}