public static IFluidTemplate Parse(this FluidParser parser, string template)
{
var context = new FluidParseContext(template);
var success = parser.Grammar.TryParse(context, out var statements, out var parlotError);
if (parlotError != null)
{
// Extract line with error
var start = parlotError.Position.Offset - 1;
var end = parlotError.Position.Offset;
while (start > 0 && template[start] != '\n' && template[start] != '\r')
{
start--;
}
while (end < template.Length && template[end] != '\n')
{
end++;
}
var source = template.Substring(start, end - start).Trim('\n', '\r');
throw new ParseException($"{parlotError.Message} at {parlotError.Position}\nSource:\n{source}");
}
if (!success)
{
return(null);
}
return(new FluidTemplate(statements));
}
/// <summary>
/// Parse the supplied template into a collection of tokens that are recognized by the Fluid parser.
/// </summary>
/// <param name="template"></param>
/// <returns></returns>
public static List <string> ParseToTokens(string template)
{
var tokens = new List <string>();
var context = new FluidParseContext(template);
var lavaTokens = LavaTokensListParser.Parse(template, context).Select(x => x.ToString()).ToList();
// If the template contains only literal text, add the entire content as a single text token.
if (!lavaTokens.Any() &&
!string.IsNullOrEmpty(template))
{
lavaTokens.Add(template);
}
return(lavaTokens);
}
public static IFluidTemplate Parse(this FluidParser parser, string template)
{
var context = new FluidParseContext(template);
var success = parser.Grammar.TryParse(context, out var statements, out var parlotError);
if (parlotError != null)
{
throw new ParseException($"{parlotError.Message} at {parlotError.Position}");
}
if (!success)
{
return(null);
}
return(new FluidTemplate(statements));
}