public StateHolder(TextNavigator navigator)
: this()
{
_navigator = navigator;
_column = navigator._column;
_line = navigator._line;
Position = navigator._position;
}
public static string Decode
(
[CanBeNull] string text
)
{
if (ReferenceEquals(text, null) || text.Length == 0)
{
return(text);
}
int length = text.Length;
StringBuilder result = new StringBuilder(length);
TextNavigator navigator = new TextNavigator(text);
while (!navigator.IsEOF)
{
string chunk = navigator.ReadUntil('\\');
result.Append(chunk);
char prefix = navigator.ReadChar();
if (prefix != '\\')
{
break;
}
char c = navigator.ReadChar();
if (c == '\0')
{
result.Append(prefix);
break;
}
if (c != 'u')
{
result.Append(prefix);
result.Append(c);
continue;
}
StringBuilder buffer = new StringBuilder();
while (!navigator.IsEOF)
{
c = navigator.ReadChar();
if (!char.IsDigit(c))
{
break;
}
buffer.Append(c);
}
if (buffer.Length != 0)
{
c = (char)int.Parse(buffer.ToString());
result.Append(c);
}
}
return(result.ToString());
}
public TextNavigator Clone()
{
var result = new TextNavigator(_text)
{
_column = _column,
_line = _line,
_position = _position
};
return(result);
}
/// <summary>
/// Constructor.
/// </summary>
public TextPosition
(
[NotNull] TextNavigator navigator
)
{
Sure.NotNull(navigator, nameof(navigator));
Column = navigator.Column;
Line = navigator.Line;
Position = navigator.Position;
}
public static TextNavigator FromFile
(
[NotNull] string fileName
)
{
Sure.FileExists(fileName, nameof(fileName));
string text = File.ReadAllText(fileName, Encoding.UTF8);
TextNavigator result = new TextNavigator(text);
return(result);
}
public static TextNavigator FromFile
(
string fileName,
Encoding?encoding = default
)
{
// Sure.FileExists(fileName, nameof(fileName));
encoding ??= Encoding.UTF8;
var text = File.ReadAllText(fileName, encoding);
var result = new TextNavigator(text);
return(result);
}