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