133 lines
3.8 KiB
C#
133 lines
3.8 KiB
C#
// ====================================================================================================
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// YAML Parser for the .NET Framework
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// ====================================================================================================
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//
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// Copyright (c) 2006
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// Christophe Lambrechts
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// Jonathan Slenders
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//
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// ====================================================================================================
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// This file is part of the .NET YAML Parser.
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//
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// This .NET YAML parser is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// The .NET YAML parser is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with Foobar; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USAusing System.Reflection;
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// ====================================================================================================
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using System;
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namespace Yaml
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{
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/// <summary>
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/// Class for storing a Yaml Boolean node
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/// tag:yaml.org,2002:bool
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/// </summary>
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public class Boolean : Scalar
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{
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private bool content;
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/// <summary> New boolean </summary>
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public Boolean (bool val) :
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base ("tag:yaml.org,2002:bool", NodeType.Boolean)
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{
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content = val;
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}
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/// <summary> Parse boolean </summary>
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public Boolean (ParseStream stream) :
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base ("tag:yaml.org,2002:bool", NodeType.Boolean)
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{
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// Read the first 8 chars
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char [] chars = new char [8];
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int length = 0;
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for (int i = 0; i < chars.Length && ! stream.EOF; i ++)
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{
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chars [i] = stream.Char;
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length ++;
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stream.Next (true);
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}
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// Compare
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if (length == 1)
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{
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if (chars[0] == 'Y' || chars[0] == 'y')
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{ content = true; return; }
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if (chars[0] == 'N' || chars[0] == 'n')
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{ content = false; return; }
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}
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if (length == 2)
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{
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string s = "" + chars [0] + chars [1];
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if (s == "ON" || s == "On" || s == "on")
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{ content = true; return; }
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if (s == "NO" || s == "No" || s == "no")
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{ content = false; return; }
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}
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if (length == 3)
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{
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string s = "" + chars [0] + chars [1] + chars [2];
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if (s == "YES" || s == "Yes" || s == "yes")
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{ content = true; return; }
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if (s == "OFF" || s == "Off" || s == "off")
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{ content = false; return; }
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}
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if (length == 4)
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{
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string s = "" + chars [0] + chars [1] + chars [2] + chars [3];
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if (s == "TRUE" || s == "True" || s == "true")
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{ content = true; return; }
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}
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if (length == 5)
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{
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string s = "" + chars [0] + chars [1] + chars [2] + chars [3] + chars[4];
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if (s == "FALSE" || s == "False" || s == "false")
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{ content = false; return; }
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}
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// No boolean
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throw new Exception ("No valid boolean");
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}
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/// <summary> Node content </summary>
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public bool Content
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{
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get { return content; }
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set { content = value; }
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}
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/// <summary> To String </summary>
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public override string ToString ()
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{
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return "[BOOLEAN]" + content.ToString () + "[/BOOLEAN]";
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}
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/// <summary> Write to YAML </summary>
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protected internal override void Write (WriteStream stream)
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{
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if (Content)
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stream.Append ("y");
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else
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stream.Append ("n");
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}
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}
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}
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