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source: trunk/sources/HeuristicLab.Persistence/3.3/Auxiliary/StringExtensions.cs @ 8698

Last change on this file since 8698 was 4068, checked in by swagner, 12 years ago

Sorted usings and removed unused usings in entire solution (#1094)

File size: 1.7 KB
Line 
1using System.Collections.Generic;
2
3namespace HeuristicLab.Persistence.Auxiliary {
4  /// <summary>
5  /// Extension methods for the <see cref="System.String"/> class.
6  /// </summary>
7  public static class StringExtensions {
8
9    /// <summary>
10    /// Enumeration over the substrings when split with a certain delimiter.
11    /// </summary>
12    /// <param name="s">The string.</param>
13    /// <param name="delimiter">The delimiter.</param>
14    /// <returns>An enumeration over the delimited substrings.</returns>
15    public static IEnumerable<string> EnumerateSplit(this string s, char delimiter) {
16      int startIdx = 0;
17      for (int i = 0; i < s.Length; i++) {
18        if (s[i] == delimiter) {
19          if (i > startIdx) {
20            yield return s.Substring(startIdx, i - startIdx);
21          }
22          startIdx = i + 1;
23        }
24      }
25      if (startIdx < s.Length)
26        yield return s.Substring(startIdx, s.Length - startIdx);
27    }
28
29    /// <summary>
30    /// Enumeration over the substrings when split with a certain delimiter..
31    /// </summary>
32    /// <param name="s">The string.</param>
33    /// <param name="delimiter">The delimiter.</param>
34    /// <returns>An enumerator over the delimited substrings.</returns>
35    public static IEnumerator<string> GetSplitEnumerator(this string s, char delimiter) {
36      int startIdx = 0;
37      for (int i = 0; i < s.Length; i++) {
38        if (s[i] == delimiter) {
39          if (i > startIdx) {
40            yield return s.Substring(startIdx, i - startIdx);
41          }
42          startIdx = i + 1;
43        }
44      }
45      if (startIdx < s.Length)
46        yield return s.Substring(startIdx, s.Length - startIdx);
47    }
48  }
49}
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