/// <inheritdoc/>
protected override async Task WriteAsync(StringRender renderer, InterpolationToken obj, Context context)
{
var value = context.Lookup(obj.Content.ToString());
var functionValueDynamic = value as Func <dynamic, object>;
var functionValue = value as Func <object>;
if (functionValueDynamic != null || functionValue != null)
{
object functionResult = functionValueDynamic != null?functionValueDynamic.Invoke(context.View) : functionValue.Invoke();
var resultString = functionResult.ToString();
if (resultString.Contains("{{"))
{
await renderer.RenderAsync(context.RendererSettings.Parser.Parse(resultString), context);
return;
}
value = resultString;
}
if (obj.EscapeResult && value != null)
{
value = WebUtility.HtmlEncode(value.ToString());
}
if (obj.Indent > 0)
{
renderer.Write(' ', obj.Indent);
}
renderer.Write(value?.ToString());
}
/// <inheritdoc/>
protected override void Write(StringRender renderer, InterpolationToken obj, Context context)
{
var value = context.Lookup(obj.Content.ToString());
var functionValueDynamic = value as Func <dynamic, object>;
var functionValue = value as Func <object>;
if (functionValueDynamic != null || functionValue != null)
{
object functionResult = functionValueDynamic != null?functionValueDynamic.Invoke(context.View) : functionValue.Invoke();
var resultString = ConvertToStringInCulture(functionResult, context.RenderSettings.CultureInfo);
if (resultString.Contains("{{"))
{
renderer.Render(context.RendererSettings.Parser.Parse(resultString), context);
return;
}
value = resultString;
}
if (!context.RenderSettings.SkipHtmlEncoding && obj.EscapeResult && value != null)
{
value = context.RendererSettings.EncodingFuction(ConvertToStringInCulture(value, context.RenderSettings.CultureInfo));
}
if (obj.Indent > 0)
{
renderer.Write(' ', obj.Indent);
}
renderer.Write(ConvertToStringInCulture(value, context.RenderSettings.CultureInfo));
}
protected override void Write(StringRender renderer, HelperToken obj, Context context)
{
if (renderer is null)
{
throw new ArgumentNullException(nameof(renderer));
}
if (obj is null)
{
throw new ArgumentNullException(nameof(obj));
}
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
if (_helperCache.TryGetValue(obj.Name, out var helper))
{
var helperContext = new HelperContext(context);
var args = obj.Args;
var argumentTypes = helper.ArgumentTypes;
if ((argumentTypes.Length - 1) == args.Length)
{
var arr = new object[args.Length + 1];
arr[0] = helperContext;
for (var i = 0; i < args.Length; i++)
{
var arg = args[i].ShouldAttemptContextLoad
? context.Lookup(args[i].Value)
: args[i].Value;
arg = TryConvertTypeIfRequired(arg, args[i].Value, argumentTypes[i + 1]);
if (arg is null)
{
return;
}
arr[i + 1] = arg;
}
var result = helper.Delegate.Method.Invoke(helper.Delegate.Target, arr);
if (result is string str)
{
renderer.Write(str);
}
else if (result is object)
{
renderer.Write(Convert.ToString(result, context.RenderSettings.CultureInfo));
}
}
}
}
/// <inheritdoc/>
protected override void Write(StringRender renderer, LiteralToken obj, Context context)
{
for (var i = 0; i < obj.Content.Length; i++)
{
var item = obj.Content[i];
if (obj.Indent > 0 && !item.IsEmptyOrWhitespace())
{
renderer.Write(' ', obj.Indent);
}
renderer.Write(ref item);
}
}
/// <inheritdoc />
protected override void Write(StringRender renderer, InterpolationToken obj, Context context)
{
var content = obj.Content.ToString();
string format = null;
var pos = content.IndexOf(':');
if (pos > 0)
{
format = content.Substring(pos + 1);
content = content.Substring(0, pos);
}
var value = context.Lookup(content);
var functionValueDynamic = value as Func <dynamic, object>;
var functionValue = value as Func <object>;
if (functionValueDynamic != null || functionValue != null)
{
object functionResult = functionValueDynamic != null?functionValueDynamic.Invoke(context.View) : functionValue.Invoke();
var resultString = functionResult.ToString();
if (resultString.Contains("{{"))
{
renderer.Render(context.RendererSettings.Parser.Parse(resultString), context);
return;
}
value = resultString;
}
var formattedValue = ApplyFormat(value, format);
if (!context.RenderSettings.SkipHtmlEncoding && obj.EscapeResult && value != null)
{
formattedValue = WebUtility.HtmlEncode(formattedValue);
}
if (obj.Indent > 0)
{
renderer.Write(' ', obj.Indent);
}
renderer.Write(formattedValue);
}