/src/ZebraFlickr/CommandLine/ArgumentMap.cs
C# | 116 lines | 55 code | 13 blank | 48 comment | 9 complexity | eafe4c563704e1b0d88cc06725cede5b MD5 | raw file
- #region License
-
- // Copyright (c) 2012 Gareth Lennox (garethl@dwakn.com)
- // All rights reserved.
- //
- // Redistribution and use in source and binary forms, with or without modification,
- // are permitted provided that the following conditions are met:
- //
- // * Redistributions of source code must retain the above copyright notice,
- // this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above copyright notice,
- // this list of conditions and the following disclaimer in the documentation
- // and/or other materials provided with the distribution.
- // * Neither the name of Gareth Lennox nor the names of its
- // contributors may be used to endorse or promote products derived from this
- // software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- #endregion
-
- using System;
- using System.Reflection;
-
- namespace ZebraFlickr.CommandLine
- {
- /// <summary>
- /// Argument map
- /// </summary>
- public class ArgumentMap : DetailsAttribute
- {
- /// <summary>
- /// The decoder
- /// </summary>
- private IArgumentDecoder _decoderInst;
-
- /// <summary>
- /// The property
- /// </summary>
- public PropertyInfo Property { get; set; }
-
- /// <summary>
- /// Checks if the decoder found a value
- /// </summary>
- public bool HasValue
- {
- get { return GetDecoder().HasValue; }
- }
-
- /// <summary>
- /// Decoder to use
- /// </summary>
- public override Type Decoder
- {
- get { return base.Decoder; }
- set
- {
- base.Decoder = value;
- _decoderInst = null;
- }
- }
-
- /// <summary>
- /// Gets the decoder instance
- /// </summary>
- public IArgumentDecoder GetDecoder()
- {
- if (_decoderInst != null)
- return _decoderInst;
-
- IArgumentDecoder decoder;
-
- if (Decoder != null)
- {
- decoder = (IArgumentDecoder) Activator.CreateInstance(Decoder);
- }
- else if (Property.PropertyType.IsEnum)
- {
- decoder = new EnumArgumentDecoder();
- }
- else if (Property.PropertyType == typeof (TimeSpan))
- {
- decoder = new TimeSpanArgumentDecoder();
- }
- else
- {
- decoder = new DefaultArgumentDecoder();
- }
-
- decoder.Initialize(this);
-
- _decoderInst = decoder;
- return decoder;
- }
-
- /// <summary>
- /// Sets the value from the argument
- /// </summary>
- /// <param name="item">Item to set the argument on</param>
- /// <param name="argument">The argument</param>
- public void SetValue(object item, Parser.Argument argument)
- {
- var decoder = GetDecoder();
- decoder.Decode(item, argument);
- }
- }
- }