/// <inheritdoc />
public string Format(string context, MetricTags tags, GraphiteMetricName name)
{
var tagsDictionary = tags.Keys.Zip(tags.Values, (key, value) => new { key, value })
.ToDictionary(x => $"tag:{x.key}", x => x.value, StringComparer.OrdinalIgnoreCase);
var unit = GraphiteMetricName.Escape(name.Unit.Name);
var escapedName = string.Join(".", name.Folder.Select(x => GraphiteMetricName.Escape(x)).Where(x => !string.IsNullOrEmpty(x)));
string nameWithUnit;
if (string.IsNullOrEmpty(escapedName))
{
nameWithUnit = unit;
}
else if (string.IsNullOrEmpty(unit) || escapedName.EndsWith(unit, StringComparison.OrdinalIgnoreCase))
{
nameWithUnit = escapedName;
}
else
{
nameWithUnit = $"{escapedName}-{unit}";
}
tagsDictionary["type"] = name.Type.ToString();
tagsDictionary["name"] = escapedName;
tagsDictionary["unit"] = unit;
tagsDictionary["nameWithUnit"] = nameWithUnit;
tagsDictionary["context"] = context;
return(Render(tagsDictionary));
}
private string Render(Dictionary <string, string> context)
{
var builder = new StringBuilder();
foreach (var token in _tokens)
{
builder.Append(GraphiteMetricName.Escape(token(context), true));
}
return(Regex.Replace(builder.ToString().Trim('.'), "[.]{2,}", "."));
}
