icdsystems/ICD.Common.Utils
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perf: String utils micro-optimizations

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This commit is contained in:
Chris Cameron 2018-07-31 14:43:55 -04:00
parent 03893c2669
commit 86335e0d44
1 changed files with 35 additions and 6 deletions
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41
ICD.Common.Utils/StringUtils.cs
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@ -47,8 +47,12 @@ namespace ICD.Common.Utils
if (input == null)
throw new ArgumentNullException("input");
string[] strings = input.Select(c => ToHexLiteral(c)).ToArray();
return string.Join("", strings);
StringBuilder builder = new StringBuilder();
foreach (string literal in input.Select(c => ToHexLiteral(c)))
builder.Append(literal);
return builder.ToString();
}
/// <summary>
@ -80,7 +84,12 @@ namespace ICD.Common.Utils
if (data == null)
throw new ArgumentNullException("data");
return string.Join("", data.Split(4).Select(s => FromHexLiteralCharacter(s).ToString()).ToArray());
StringBuilder builder = new StringBuilder();
foreach (char item in data.Split(4).Select(s => FromHexLiteralCharacter(s)))
builder.Append(item);
return builder.ToString();
}
/// <summary>
@ -112,8 +121,12 @@ namespace ICD.Common.Utils
if (input == null)
throw new ArgumentNullException("input");
string[] strings = input.Select(c => ToMixedReadableHexLiteral(c)).ToArray();
return string.Join("", strings);
StringBuilder builder = new StringBuilder();
foreach (string item in input.Select(c => ToMixedReadableHexLiteral(c)))
builder.Append(item);
return builder.ToString();
}
/// <summary>
@ -424,7 +437,23 @@ namespace ICD.Common.Utils
if (items == null)
throw new ArgumentNullException("items");
return string.Format("[{0}]", string.Join(", ", items.Select(i => ToString(i)).ToArray()));
StringBuilder builder = new StringBuilder();
builder.Append('[');
bool first = true;
foreach (T item in items)
{
if (!first)
builder.Append(", ");
first = false;
builder.Append(ToString(item));
}
builder.Append(']');
return builder.ToString();
}
/// <summary>