public static string CombinePaths(params string[] paths)
{
var sb = StringBuilderThreadStatic.Allocate();
AppendPaths(sb, paths);
return(StringBuilderThreadStatic.ReturnAndFree(sb));
}
public static string CombineWith(this string path, params object[] thesePaths)
{
if (thesePaths.Length == 1 && thesePaths[0] == null)
{
return(path);
}
var sb = StringBuilderThreadStatic.Allocate();
sb.Append(path.TrimEnd('/', '\\'));
AppendPaths(sb, ToStrings(thesePaths));
return(StringBuilderThreadStatic.ReturnAndFree(sb));
}
public static string AppendUrlPathsRaw(this string uri, params string[] uriComponents)
{
var sb = StringBuilderThreadStatic.Allocate();
sb.Append(uri.WithTrailingSlash());
var i = 0;
foreach (var uriComponent in uriComponents)
{
if (i++ > 0)
{
sb.Append('/');
}
sb.Append(uriComponent);
}
return(StringBuilderThreadStatic.ReturnAndFree(sb));
}
public static Type GetCachedGenericType(this Type type, params Type[] argTypes)
{
if (!type.IsGenericTypeDefinition)
{
throw new ArgumentException(type.FullName + " is not a Generic Type Definition");
}
if (argTypes == null)
{
argTypes = Common.TypeConstants.EmptyTypeArray;
}
var sb = StringBuilderThreadStatic.Allocate()
.Append(type.FullName);
foreach (var argType in argTypes)
{
sb.Append('|')
.Append(argType.FullName);
}
var key = StringBuilderThreadStatic.ReturnAndFree(sb);
if (_genericTypeCache.TryGetValue(key, out var genericType))
{
return(genericType);
}
genericType = type.MakeGenericType(argTypes);
Dictionary <string, Type> snapshot, newCache;
do
{
snapshot = _genericTypeCache;
newCache = new Dictionary <string, Type>(_genericTypeCache)
{
[key] = genericType
};
} while (!ReferenceEquals(
Interlocked.CompareExchange(ref _genericTypeCache, newCache, snapshot), snapshot));
return(genericType);
}
public static string CombineWith(this string path, params string[] thesePaths)
{
if (path == null)
{
path = "";
}
if (thesePaths.Length == 1 && thesePaths[0] == null)
{
return(path);
}
var startPath = path.Length > 1 ? path.TrimEnd('/', '\\') : path;
var sb = StringBuilderThreadStatic.Allocate();
sb.Append(startPath);
AppendPaths(sb, thesePaths);
return(StringBuilderThreadStatic.ReturnAndFree(sb));
}
public static string ToPascalCase(this string value)
{
if (String.IsNullOrEmpty(value))
{
return(value);
}
if (value.IndexOf('_') >= 0)
{
var parts = value.Split('_');
var sb = StringBuilderThreadStatic.Allocate();
foreach (var part in parts)
{
var str = part.ToCamelCase();
sb.Append(char.ToUpper(str[0]) + str.SafeSubstring(1, str.Length));
}
return(StringBuilderThreadStatic.ReturnAndFree(sb));
}
var camelCase = value.ToCamelCase();
return(char.ToUpper(camelCase[0]) + camelCase.SafeSubstring(1, camelCase.Length));
}
public static string ToLowercaseUnderscore(this string value)
{
if (String.IsNullOrEmpty(value))
{
return(value);
}
value = value.ToCamelCase();
var sb = StringBuilderThreadStatic.Allocate();
foreach (char t in value)
{
if (char.IsDigit(t) || (char.IsLetter(t) && char.IsLower(t)) || t == '_')
{
sb.Append(t);
}
else
{
sb.Append("_");
sb.Append(char.ToLowerInvariant(t));
}
}
return(StringBuilderThreadStatic.ReturnAndFree(sb));
}