/// <inheritdoc />
public virtual void Render(TextWriter writer, TemplateContext context)
{
if (templateResult == null)
{
if (this.Context.Mode == EngineMode.Interpreted)
{
templateResult = context.InterpretTemplate(this.TemplateKey, this.reader);
}
else
{
templateResult = context.CompileTemplate(this.TemplateKey, this.reader);
}
if (templateResult == null)
{
throw new TemplateException($"template error.");
}
}
try
{
templateResult.Render(writer, context);
}
catch (System.Exception e)
{
context.AddError(e);
}
}
/// <summary>
/// Throw exception.
/// </summary>
/// <param name="ctx"></param>
/// <param name="e">Represents errors that occur during application execution.</param>
/// <param name="tag">Represents errors tag.</param>
/// <param name="writer">See the <see cref="System.IO.TextWriter"/>.</param>
public static void ThrowException(this TemplateContext ctx, TemplateException e, ITag tag, System.IO.TextWriter writer)
{
ctx.AddError(e);
if (ctx.ThrowExceptions)
{
writer.Write(tag.ToSource());
}
}
/// <summary>
/// Throw exception.
/// </summary>
/// <param name="ctx"></param>
/// <param name="e">Represents errors that occur during application execution.</param>
/// <param name="tag">Represents errors tag.</param>
/// <param name="writer">See the <see cref="System.IO.TextWriter"/>.</param>
public static async Task ThrowExceptionAsync(this TemplateContext ctx, TemplateException e, ITag tag, System.IO.TextWriter writer)
{
ctx.AddError(e);
if (!ctx.ThrowExceptions)
{
await writer.WriteAsync(tag.ToSource());
}
}
/// <inheritdoc />
public Task RenderAsync(TextWriter writer, TemplateContext context, CancellationToken cancellationToken = default)
{
cancellationToken.ThrowIfCancellationRequested();
var t = context.CompileTemplate(this.TemplateKey, this.reader);
if (t == null)
{
throw new TemplateException($"template error.");
}
try
{
return(t.RenderAsync(writer, context, cancellationToken));
}
catch (System.Exception e)
{
context.AddError(e);
return(Task.FromException(e));
}
}
/// <inheritdoc />
public virtual void Render(TextWriter writer, TemplateContext context)
{
var text = this.TemplateContent;
var t = context.Options.CompilerResults.GetOrAdd(this.TemplateKey, (key) =>
{
return(TemplateCompiler.Compile(key, text, context.Options, (ctx) =>
{
context.CopyTo(ctx);
}));
});
if (t == null)
{
throw new Exception.TemplateException($"compile error.");
}
try
{
t.Render(writer, context);
}
catch (System.Exception e)
{
context.AddError(e);
}
}