/// <summary>
/// Add a translation resource to the context.
///
/// The translation resource must be a proper FluentResource
/// parsed by `MessageContext.parseResource`.
///
/// let res = MessageContext.parseResource("foo = Foo");
/// ctx.addResource(res);
/// ctx.getMessage('foo');
///
/// // Returns a raw representation of the 'foo' message.
///
/// Parsed entities should be formatted with the `format` method in case they
/// contain logic (references, select expressions etc.).
/// </summary>
/// <param name="resource">The resource object</param>
/// <returns>A list of errors encountered during adding or parsing the resource</returns>
public IList <ParseException> AddResource(FluentResource resource)
{
var errors = new List <ParseException>(resource.Errors);
foreach (var entry in resource.Entries)
{
#if FALSE
if (!(entry is Ast.MessageTermBase))
{
// Ast.Comment or Ast.Junk
continue;
}
if (entry is Ast.Term t)
{
if (_terms.ContainsKey(t.Id.Name))
{
errors.Add($"Attempt to override an existing term: \"{t.Id.Name}\"");
continue;
}
_terms.Add(t.Id.Name, t);
}
else if (entry is Ast.Message m)
{
if (_messages.ContainsKey(m.Id.Name))
{
errors.Add($"Attempt to override an existing message: \"{m.Id.Name}\"");
continue;
}
_messages.Add(m.Id.Name, m);
}
// else Ast.Comment or Ast.Junk
#endif
if (entry.Key.StartsWith("-"))
{
if (_terms.ContainsKey(entry.Key))
{
errors.Add(new OverrideError(
$"Attempt to override an existing term: \"{entry.Key}\""));
continue;
}
_terms.Add(entry);
}
else
{
if (_messages.ContainsKey(entry.Key))
{
errors.Add(new OverrideError(
$"Attempt to override an existing message: \"{entry.Key}\""));
continue;
}
_messages.Add(entry);
}
}
return(errors);
}
/// <summary>
/// Add a translation resource to the context.
///
/// The translation resource must use the Fluent syntax. It will be parsed by
/// the context and each translation unit (message) will be available in the
/// context by its identifier.
///
/// ctx.addMessages('foo = Foo');
/// ctx.getMessage('foo');
///
/// // Returns a raw representation of the 'foo' message.
///
/// Parsed entities should be formatted with the `format` method in case they
/// contain logic (references, select expressions etc.).
/// </summary>
/// @param {string} source - Text resource with translations.
/// @returns {Array<Error>}
///
public IList <ParseException> AddMessages(TextReader source)
{
return(AddResource(FluentResource.FromReader(source)));
}
