private void ParseTrailingWhitespace(HoconValue owner)
{
Token ws = _reader.PullSpaceOrTab();
//single line ws should be included if string concat
if (ws.Value.Length > 0)
{
var wsLit = new HoconLiteral
{
Value = ws.Value,
};
owner.AppendValue(wsLit);
}
}
/// <summary>
/// Retrieves the next value token from the tokenizer and appends it
/// to the supplied element <paramref name="owner"/>.
/// </summary>
/// <param name="owner">The element to append the next token.</param>
/// <exception cref="System.Exception">End of file reached while trying to read a value</exception>
public void ParseValue(HoconValue owner, string currentPath)
{
if (_reader.EoF)
{
throw new HoconParserException("End of file reached while trying to read a value");
}
_reader.PullWhitespaceAndComments();
var start = _reader.Index;
try
{
while (_reader.IsValue())
{
Token t = _reader.PullValue();
switch (t.Type)
{
case TokenType.EoF:
break;
case TokenType.LiteralValue:
if (owner.IsObject())
{
//needed to allow for override objects
owner.Clear();
}
var lit = new HoconLiteral
{
Value = t.Value
};
owner.AppendValue(lit);
break;
case TokenType.ObjectStart:
ParseObject(owner, true, currentPath);
break;
case TokenType.ArrayStart:
HoconArray arr = ParseArray(currentPath);
owner.AppendValue(arr);
break;
case TokenType.Substitute:
HoconSubstitution sub = ParseSubstitution(t.Value);
_substitutions.Add(sub);
owner.AppendValue(sub);
break;
}
if (_reader.IsSpaceOrTab())
{
ParseTrailingWhitespace(owner);
}
}
IgnoreComma();
}
catch (HoconTokenizerException tokenizerException)
{
throw new HoconParserException(string.Format("{0}\r{1}", tokenizerException.Message, GetDiagnosticsStackTrace()), tokenizerException);
}
finally
{
//no value was found, tokenizer is still at the same position
if (_reader.Index == start)
{
throw new HoconParserException(string.Format("Hocon syntax error {0}\r{1}", _reader.GetHelpTextAtIndex(start), GetDiagnosticsStackTrace()));
}
}
}