64 lines
2.0 KiB
C#
64 lines
2.0 KiB
C#
//---------------------------------------------------------------------
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// <copyright file="ParserOptions.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//
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// @owner [....]
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// @backupOwner [....]
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//---------------------------------------------------------------------
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namespace System.Data.Common.EntitySql
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{
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using System;
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using System.Globalization;
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/// <summary>
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/// Represents eSQL compilation options.
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/// </summary>
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internal sealed class ParserOptions
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{
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internal enum CompilationMode
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{
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/// <summary>
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/// Normal mode. Compiles eSQL command without restrictions.
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/// Name resolution is case-insensitive (eSQL default).
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/// </summary>
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NormalMode,
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/// <summary>
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/// View generation mode: optimizes compilation process to ignore uncessary eSQL constructs:
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/// - GROUP BY, HAVING and ORDER BY clauses are ignored.
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/// - WITH RELATIONSHIP clause is allowed in type constructors.
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/// - Name resolution is case-sensitive.
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/// </summary>
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RestrictedViewGenerationMode,
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/// <summary>
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/// Same as CompilationMode.Normal plus WITH RELATIONSHIP clause is allowed in type constructors.
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/// </summary>
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UserViewGenerationMode
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}
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/// <summary>
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/// Sets/Gets eSQL parser compilation mode.
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/// </summary>
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internal CompilationMode ParserCompilationMode;
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internal StringComparer NameComparer
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{
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get
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{
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return this.NameComparisonCaseInsensitive ? StringComparer.OrdinalIgnoreCase : StringComparer.Ordinal;
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}
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}
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internal bool NameComparisonCaseInsensitive
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{
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get
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{
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return this.ParserCompilationMode == CompilationMode.RestrictedViewGenerationMode ? false : true;
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}
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}
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}
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}
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