// The Nova Project by Ken Beckett. // Copyright (C) 2007-2012 Inevitable Software, all rights reserved. // Released under the Common Development and Distribution License, CDDL-1.0: http://opensource.org/licenses/cddl1.php using Nova.Parsing; using Nova.Utilities; namespace Nova.CodeDOM { /// <summary> /// Represents the start of a section of code that can be collapsed, and has optional descriptive text. /// </summary> public class RegionDirective : MessageDirective { #region /* CONSTRUCTORS */ /// <summary> /// Create a <see cref="RegionDirective"/>. /// </summary> public RegionDirective(string message) : base(message) { } /// <summary> /// Create a <see cref="RegionDirective"/>. /// </summary> public RegionDirective() : base(null) { } #endregion #region /* PROPERTIES */ /// <summary> /// True if this region contains generated code. /// </summary> public bool IsGeneratedRegion { get { return StringUtil.ContainsIgnoreCase(_message, "generated code"); } } #endregion #region /* PARSING */ /// <summary> /// The token used to parse the code object. /// </summary> public new const string ParseToken = "region"; internal static void AddParsePoints() { Parser.AddCompilerDirectiveParsePoint(ParseToken, Parse); } /// <summary> /// Parse a <see cref="RegionDirective"/>. /// </summary> public static RegionDirective Parse(Parser parser, CodeObject parent, ParseFlags flags) { return new RegionDirective(parser, parent); } /// <summary> /// Parse a <see cref="RegionDirective"/>. /// </summary> public RegionDirective(Parser parser, CodeObject parent) : base(parser, parent) { ParseMessage(parser); // If it's a region of generated code (such as for the MS Component Designer), set the flag in the parser if (!parser.IsGenerated && IsGeneratedRegion) parser.IsGenerated = parser.IsGeneratedRegion = true; } #endregion #region /* FORMATTING */ /// <summary> /// Determine a default of 1 or 2 newlines when adding items to a <see cref="Block"/>. /// </summary> public override int DefaultNewLines(CodeObject previous) { // Always default to a blank line before a region directive return 2; } /// <summary> /// Determines if the compiler directive should be indented. /// </summary> public override bool HasNoIndentationDefault { get { return false; } } #endregion #region /* RENDERING */ /// <summary> /// The keyword associated with the compiler directive (if any). /// </summary> public override string DirectiveKeyword { get { return ParseToken; } } #endregion } }
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