148 lines
4.3 KiB
C#
148 lines
4.3 KiB
C#
#region --- License ---
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/* Copyright (c) 2006, 2007 Stefanos Apostolopoulos
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* See license.txt for license info
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Xml.XPath;
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namespace Bind.Structures
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{
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#region class Enum
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public class Enum
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{
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static StringBuilder translator = new StringBuilder();
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string _name, _type;
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// Returns true if the enum contains a collection of flags, i.e. 1, 2, 4, 8, ...
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public bool IsFlagCollection
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{
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get
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{
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// It seems that all flag collections contain "Mask" in their names.
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// This looks like a heuristic, but it holds 100% in practice
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// (checked all enums to make sure).
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return Name.Contains("Mask");
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}
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}
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public string Name
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{
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get { return _name ?? ""; }
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set { _name = value; }
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}
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// Typically 'long' or 'int'. Default is 'int'.
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public string Type
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{
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get { return String.IsNullOrEmpty(_type) ? "int" : _type; }
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set { _type = value; }
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}
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Dictionary<string, Constant> _constant_collection = new Dictionary<string, Constant>();
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public IDictionary<string, Constant> ConstantCollection
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{
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get { return _constant_collection; }
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set
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{
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if (value == null)
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throw new ArgumentNullException("value");
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_constant_collection.Clear();
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foreach (var item in value)
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{
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_constant_collection.Add(item.Key, item.Value);
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}
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}
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}
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public override string ToString()
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{
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StringBuilder sb = new StringBuilder();
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List<Constant> constants = new List<Constant>(ConstantCollection.Values);
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constants.Sort(delegate(Constant c1, Constant c2)
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{
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int ret = String.Compare(c1.Value, c2.Value);
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if (ret == 0)
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return String.Compare(c1.Name, c2.Name);
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return ret;
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});
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if (IsFlagCollection)
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sb.AppendLine("[Flags]");
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sb.Append("public enum ");
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sb.Append(Name);
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sb.Append(" : ");
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sb.AppendLine(Type);
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sb.AppendLine("{");
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foreach (Constant c in constants)
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{
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sb.Append(" ");
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sb.Append(c.ToString());
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if (!String.IsNullOrEmpty(c.ToString()))
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sb.AppendLine(",");
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}
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sb.Append("}");
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return sb.ToString();
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}
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}
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#endregion
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#region class EnumCollection
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public class EnumCollection : SortedDictionary<string, Enum>
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{
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internal void AddRange(EnumCollection enums)
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{
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foreach (Enum e in enums.Values)
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Utilities.Merge(this, e);
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}
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// Return -1 for ext1, 1 for ext2 or 0 if no preference.
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int OrderOfPreference(string ext1, string ext2)
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{
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// If one is empty and the other not, prefer the empty one (empty == core)
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// Otherwise check for Arb and Ext. To reuse the logic for the
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// empty check, let's try to remove first Arb, then Ext from the strings.
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int ret = PreferEmpty(ext1, ext2);
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if (ret != 0)
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return ret;
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ext1 = ext1.Replace("Arb", ""); ext2 = ext2.Replace("Arb", "");
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ret = PreferEmpty(ext1, ext2);
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if (ret != 0)
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return ret;
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ext1 = ext1.Replace("Ext", ""); ext2 = ext2.Replace("Ext", "");
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return PreferEmpty(ext1, ext2);
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}
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// Prefer the empty string over the non-empty.
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int PreferEmpty(string ext1, string ext2)
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{
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if (String.IsNullOrEmpty(ext1) && !String.IsNullOrEmpty(ext2))
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return -1;
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else if (String.IsNullOrEmpty(ext2) && !String.IsNullOrEmpty(ext1))
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return 1;
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else
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return 0;
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}
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new bool TryGetValue(string key, out Enum value)
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{
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return base.TryGetValue(key, out value);
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}
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}
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#endregion
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}
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