public static IList<string> Apply(TokenBuffer tokens)
{
tokens.ExpectAndConsume(TokenType.LBrac);
IList<string> tableKeyChain = TableKeyProduction.Apply(tokens);
tokens.ExpectAndConsume(TokenType.RBrac);
if (!tokens.TryExpectAndConsume(TokenType.NewLine) && !tokens.TryExpectAndConsume(TokenType.Comment) && !tokens.End)
{
var msg = $"Expected newline after table specifier. "
+ $"Token of type '{tokens.Peek().type}' with value '{tokens.Peek().value}' on same line.";
throw Parser.CreateParseError(tokens.Peek(), msg);
}
return tableKeyChain;
}
public static IList <TomlKey> Apply(TokenBuffer tokens)
{
tokens.ExpectAndConsume(TokenType.LBrac);
IList <TomlKey> tableKeyChain = TableKeyProduction.Apply(tokens);
tokens.ExpectAndConsume(TokenType.RBrac);
if (!tokens.TryExpectAndConsume(TokenType.NewLine) && !tokens.TryExpectAndConsume(TokenType.Comment) && !tokens.End)
{
var msg = $"Expected newline after table specifier. "
+ $"Token of type '{tokens.Peek().type}' with value '{tokens.Peek().value}' on same line.";
throw Parser.CreateParseError(tokens.Peek(), msg);
}
return(tableKeyChain);
}
private static TomlArray ParseTomlArray(ITomlRoot root, TokenBuffer tokens)
{
TomlArray a;
tokens.ExpectAndConsume(TokenType.LBrac);
tokens.ConsumeAllNewlines();
if (tokens.TryExpect(TokenType.RBrac))
{
// Empty array handled inside this if, else part can assume the array has values
tokens.Consume();
return new TomlArray(root);
}
else
{
List<TomlValue> values = new List<TomlValue>();
var errPos = tokens.Peek();
var v = ParseTomlValue(root, tokens);
if (v == null)
{
throw Parser.CreateParseError(errPos, $"Array value is missing.");
}
values.Add(v);
while (!tokens.TryExpect(TokenType.RBrac))
{
if (!tokens.TryExpectAndConsume(TokenType.Comma))
{
throw Parser.CreateParseError(tokens.Peek(), "Array not closed.");
}
tokens.ConsumeAllNewlines();
values.Last().Comments.AddRange(CommentProduction.TryParseComments(tokens, CommentLocation.Append));
if (!tokens.TryExpect(TokenType.RBrac))
{
var et = tokens.Peek();
v = ParseTomlValue(root, tokens);
if (v == null)
{
throw Parser.CreateParseError(et, $"Array value is missing.");
}
if (v.GetType() != values[0].GetType())
{
throw Parser.CreateParseError(et, $"Expected value of type '{values[0].ReadableTypeName}' but value of type '{v.ReadableTypeName}' was found.");
}
values.Add(v);
tokens.ConsumeAllNewlines();
}
}
a = new TomlArray(root, values.ToArray());
}
a.Last().Comments.AddRange(CommentProduction.TryParseComments(tokens, CommentLocation.Append));
tokens.ExpectAndConsume(TokenType.RBrac);
return a;
}
private static TomlArray ParseTomlArray(ITomlRoot root, TokenBuffer tokens)
{
TomlArray a;
var prep = CommentProduction.TryParseComments(tokens, CommentLocation.Prepend).ToList();
tokens.ExpectAndConsume(TokenType.LBrac);
using (tokens.UseIgnoreNewlinesContext())
{
prep.AddRange(CommentProduction.TryParseComments(tokens, CommentLocation.Prepend));
if (tokens.TryExpect(TokenType.RBrac))
{
// Empty array handled inside this if, else part can assume the array has values
// Comments in an empty array are moved before the array at the moment.
// There currently does not exist a comment location that will allow to write this comments correctly
// => Parse the real items correctly and do not create a parse error, but the comment will get lost
// on the next write.
tokens.Consume();
a = new TomlArray(root);
a.Comments.AddRange(prep);
return(a);
}
else
{
List <TomlValue> values = new List <TomlValue>();
// Parse first !required! array value
var v = ParseArrayValue();
v.Comments.AddRange(prep);
values.Add(v);
while (!tokens.TryExpect(TokenType.RBrac))
{
if (!tokens.TryExpectAndConsume(TokenType.Comma))
{
throw Parser.CreateParseError(tokens.Peek(), "Array not closed.");
}
// This comment is misplaced as we simply append it to the last value, but it does not belong to it
// Comments processing needs some tweaking/redesign in the future.
v.Comments.AddRange(CommentProduction.TryParseComments(tokens, CommentLocation.Append));
if (!tokens.TryExpect(TokenType.RBrac))
{
var et = tokens.Peek();
v = ParseArrayValue();
if (v.GetType() != values[0].GetType())
{
throw Parser.CreateParseError(et, $"Expected array value of type '{values[0].ReadableTypeName}' but value of type '{v.ReadableTypeName}' was found.");
}
values.Add(v);
}
}
a = new TomlArray(root, values.ToArray());
}
a.Last().Comments.AddRange(CommentProduction.TryParseComments(tokens, CommentLocation.Append));
tokens.ExpectAndConsume(TokenType.RBrac);
a.Comments.AddRange(CommentProduction.TryParseComments(tokens, CommentLocation.Append));
TomlValue ParseArrayValue()
{
var prepComments = CommentProduction.TryParseComments(tokens, CommentLocation.Prepend);
var valueParseErrorPos = tokens.Peek();
var value = ParseTomlValue(root, tokens);
if (value == null)
{
throw Parser.CreateParseError(valueParseErrorPos, $"Array value is missing.");
}
value.Comments.AddRange(prepComments);
value.Comments.AddRange(CommentProduction.TryParseComments(tokens, CommentLocation.Append));
return(value);
}
}
return(a);
}
