public RCToken(string text, RCTokenType type, int start, int index, int line, int lines)
{
Text = text;
Type = type;
Start = start;
Index = index;
Line = line;
Lines = lines;
}
protected static string MakeMessage(RCToken token, string details)
{
if (details != null && details != "")
{
return(string.Format("Invalid syntax around line {0} near the text '{1}'. {2}",
token.Line,
RCTokenType.EscapeControlChars(token.Text, '"'),
details));
}
else
{
return(string.Format("Invalid syntax around line {0} near the text '{1}'.",
token.Line,
RCTokenType.EscapeControlChars(token.Text, '"')));
}
}
public override string IdShorthand(object scalar)
{
string id = scalar.ToString();
if (id.Length > 0)
{
if (id[0] == '\'')
{
if (id[id.Length - 1] == '\'')
{
return(id);
}
else
{
throw new Exception("Invalid id: " + id);
}
}
}
else
{
return(id);
}
if ((id[0] >= '0') && (id[0] <= '9'))
{
return("'" + id + "'");
}
else
{
for (int i = 0; i < id.Length; ++i)
{
if (!RCTokenType.IsIdentifierChar(id[i]))
{
return("'" + id + "'");
}
}
}
return(id);
}
public static RCName GetName(string text)
{
if (text == null)
{
text = "";
}
string name = null;
bool escaped = false;
RCName result;
lock (_lock)
{
if (!_names.TryGetValue(text, out result))
{
if (text[0] == '\'')
{
if (text.Length == 1 || text[text.Length - 1] != '\'')
{
throw new Exception("Unmatched single quote in name: " + text);
}
// Remove quotes if not necessary
// They are necessary when the name begins with a number
if (text.Length > 1 && text[1] >= '0' && text[1] <= '9')
{
name = text;
escaped = true;
}
for (int i = 1; i < text.Length - 1; ++i)
{
if (!RCTokenType.IsIdentifierChar(text[i]))
{
name = text;
escaped = true;
break;
}
}
if (name == null)
{
name = text.Substring(1, text.Length - 2);
}
}
else if (text[0] >= '0' && text[0] <= '9')
{
name = "'" + text + "'";
escaped = true;
}
else
{
for (int i = 0; i < text.Length; ++i)
{
// add quotes if necessary
if (!RCTokenType.IsIdentifierChar(text[i]))
{
name = "'" + text + "'";
escaped = true;
break;
}
}
if (name == null)
{
name = text;
}
}
if (_names.TryGetValue(name, out result))
{
// this makes it a synonym for next time
_names.Add(text, result);
return(result);
}
else
{
result = new RCName(name, _names.Count, escaped);
_names.Add(result.Text, result);
_index.Write(result);
return(result);
}
}
else
{
return(result);
}
}
}
public static string FormatScalar(string format, string scalar)
{
return("\"" + RCTokenType.EscapeControlChars(scalar.ToString(), '"') + "\"");
}
public override void ScalarToString(StringBuilder builder, string scalar)
{
builder.Append("\"");
builder.Append(RCTokenType.EscapeControlChars(scalar.ToString(), '"'));
builder.Append("\"");
}