public override void Format(FormattingInfo formattingInfo)
{
foreach (var item in formattingInfo.Format.Items)
{
if (item is LiteralText literalItem)
{
m_Characters = m_Characters.Concat(item.ToEnumerable());
continue;
}
// Otherwise, the item must be a placeholder.
var placeholder = (Placeholder)item;
var childFormattingInfo = formattingInfo.CreateChild(placeholder);
var formatterName = childFormattingInfo.Placeholder.FormatterName;
// Evaluate the named formatter (or, evaluate all "" formatters)
foreach (var formatterExtension in FormatterExtensions)
{
if (formatterExtension is IFormatterLiteralExtractor literalExtractor &&
formatterExtension.Names.Contains(formatterName))
{
literalExtractor.WriteAllLiterals(childFormattingInfo);
}
}
}
}
/// <summary>
/// Format the <see cref="FormattingInfo" /> argument.
/// </summary>
/// <param name="formattingInfo"></param>
public void Format(FormattingInfo formattingInfo)
{
// Before we start, make sure we have at least one source extension and one formatter extension:
CheckForExtensions();
if (formattingInfo.Format is null)
{
return;
}
foreach (var item in formattingInfo.Format.Items)
{
if (item is LiteralText literalItem)
{
formattingInfo.Write(literalItem.ToString());
continue;
}
// Otherwise, the item must be a placeholder.
var placeholder = (Placeholder)item;
var childFormattingInfo = formattingInfo.CreateChild(placeholder);
try
{
EvaluateSelectors(childFormattingInfo);
}
catch (Exception ex)
{
// An error occurred while evaluation selectors
var errorIndex = placeholder.Format?.startIndex ?? placeholder.Selectors.Last().endIndex;
FormatError(item, ex, errorIndex, childFormattingInfo);
continue;
}
try
{
EvaluateFormatters(childFormattingInfo);
}
catch (Exception ex)
{
// An error occurred while evaluating formatters
var errorIndex = placeholder.Format?.startIndex ?? placeholder.Selectors.Last().endIndex;
FormatError(item, ex, errorIndex, childFormattingInfo);
}
}
}
