#region License
/* **********************************************************************************
* Copyright (c) Roman Ivantsov
* This source code is subject to terms and conditions of the MIT License
* for Irony. A copy of the license can be found in the License.txt file
* at the root of this distribution.
* By using this source code in any fashion, you are agreeing to be bound by the terms of the
* MIT License.
* You must not remove this notice from this software.
* **********************************************************************************/
#endregion
using System;
using System.Collections.Generic;
using System.Text;
namespace Irony.Parsing {
public static class Strings {
public const string AllLatinLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
public const string DecimalDigits = "1234567890";
public const string OctalDigits = "12345670";
public const string HexDigits = "1234567890aAbBcCdDeEfF";
public const string BinaryDigits = "01";
public static string JoinStrings(string separator, IEnumerable<string> values) {
StringList list = new StringList();
list.AddRange(values);
string[] arr = new string[list.Count];
list.CopyTo(arr, 0);
return string.Join(separator, arr);
}
}//class
public class StringDictionary : Dictionary<string, string> { }
public class CharList : List<char> { }
public class CharHashSet : HashSet<char> { } //adding Hash to the name to avoid confusion with System.Runtime.Interoperability.CharSet
public class StringSet : HashSet<string> {
public StringSet() { }
public StringSet(StringComparer comparer) : base(comparer) { }
public override string ToString() {
return ToString(" ");
}
public void AddRange(params string[] items) {
base.UnionWith(items);
}
public string ToString(string separator) {
return Strings.JoinStrings(separator, this);
}
}
public class StringList : List<string> {
public StringList() { }
public StringList(params string[] args) {
AddRange(args);
}
public override string ToString() {
return ToString(" ");
}
public string ToString(string separator) {
return Strings.JoinStrings(separator, this);
}
//Used in sorting suffixes and prefixes; longer strings must come first in sort order
public static int LongerFirst(string x, string y) {
try {//in case any of them is null
if (x.Length > y.Length) return -1;
} catch { }
if (x == y) return 0;
return 1;
}
}//class
}
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