/// <summary>
/// Упрощает строку для задач сравнения
/// </summary>
/// <param name="src"></param>
/// <param name="options"></param>
/// <returns></returns>
public static string Simplify(this string src, SimplifyOptions options = SimplifyOptions.Default)
{
if (string.IsNullOrEmpty(src))
{
return(string.Empty);
}
if (SimplifyOptions.None == options)
{
return(src);
}
var result = src;
if (options.HasFlag(SimplifyOptions.Trim))
{
result = result.Trim();
}
if (options.HasFlag(SimplifyOptions.LowerCase))
{
result = result.ToLowerInvariant();
}
if (options.HasFlag(SimplifyOptions.LfOnly))
{
result = result.LfOnly();
}
var sb = new StringBuilder();
foreach (var c in result)
{
if (char.IsWhiteSpace(c))
{
if (c == '\r' || c == '\n')
{
if (!options.HasFlag(SimplifyOptions.NoNewLines))
{
sb.Append(c);
}
else
{
if (c == '\n' && !options.HasFlag(SimplifyOptions.NoInlineWs))
{
sb.Append(' ');
}
}
}
else
{
if (!options.HasFlag(SimplifyOptions.NoInlineWs))
{
sb.Append(c);
}
}
}
else if (c == '_')
{
if (!options.HasFlag(SimplifyOptions.NoUndescores))
{
sb.Append(c);
}
}
else if (c == '-')
{
if (!options.HasFlag(SimplifyOptions.NoDashes))
{
sb.Append(c);
}
}
else if (c == '"' || c == '«' || c == '»')
{
if (options.HasFlag(SimplifyOptions.SingleQuotes))
{
sb.Append('\'');
}
else
{
sb.Append(c);
}
}
else
{
sb.Append(c);
}
}
return(sb.ToString());
}
public void Simplify(string src, SimplifyOptions opts, string result) {
Assert.AreEqual(result,src.Simplify(opts));
}
public void Simplify(string src, SimplifyOptions opts, string result)
{
Assert.AreEqual(result, src.Simplify(opts));
}
