/// <summary>
/// Converts given string to first letter to upper and others to lower. Returns null if value is null.
/// </summary>
/// <param name="value">The value to be converted.</param>
/// <param name="culture">The culture to be used while converting.</param>
/// <returns>String</returns>
public static string ToTitleCase(this string value, string culture = "tr-TR")
{
if (value.IsNull())
{
return(null);
}
value = value.Trim();
if (value.Length > 0)
{
System.Globalization.CultureInfo cultureInfo = new System.Globalization.CultureInfo(culture);
System.Globalization.TextInfo textInfo = cultureInfo.TextInfo;
value = textInfo.ToLower(value);
value = textInfo.ToTitleCase(value);
}
return(value);
}
private string DoFirstLetterCase(NamePart name, bool upper, TextInfo textInfo)
{
string nameValue = name;
if (string.IsNullOrEmpty(nameValue))
{
return nameValue;
}
char c = nameValue[0];
if (upper)
{
c = textInfo.ToUpper(c);
}
else
{
c = textInfo.ToLower(c);
}
if (nameValue.Length > 1)
{
nameValue = c.ToString() + nameValue.Substring(1);
}
else
{
nameValue = c.ToString();
}
return nameValue;
}
private static Func<string, string> GetCaseChange(TextInfo info, string text)
{
if (info.ToLower(text) == text) return (txt) => info.ToTitleCase(txt);
else if (info.ToUpper(text) == text) return (txt) => info.ToLower(txt);
else return (txt) => info.ToUpper(txt);
}
private string DoFirstWordCasing(NamePart name, NameGeneratorCasingOption casing, TextInfo textInfo)
{
if (name.ExplicitCasing) return name;
switch (casing)
{
case NameGeneratorCasingOption.Camel:
return TestHasAdjacentUpperCase(name) ? (string)name : DoFirstLetterCase(name, false, textInfo);
case NameGeneratorCasingOption.Pascal:
return TestHasAdjacentUpperCase(name) ? (string)name : DoFirstLetterCase(name, true, textInfo);
case NameGeneratorCasingOption.Lower:
return TestHasAdjacentUpperCase(name) ? (string)name : textInfo.ToLower(name);
case NameGeneratorCasingOption.Upper:
return textInfo.ToUpper(name);
}
return null;
}