/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="result"></param>
public override void Render(Context context, TextWriter result)
{
var blockState = BlockRenderState.Find(context);
context.Stack(() =>
{
context["block"] = new BlockDrop(context.Template, this, result);
RenderAll(GetNodeList(blockState), context, result);
});
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="result"></param>
public void CallSuper(Context context, TextWriter result)
{
var blockState = BlockRenderState.Find(context);
if (blockState != null &&
blockState.Parents.TryGetValue(this, out var parent) &&
parent != null)
{
parent.Render(context, result);
}
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="result"></param>
public override void Render(Context context, TextWriter result)
{
// Get the template or template content and then either copy it (since it will be modified) or parse it
var fileSystem = context.Registers["file_system"] as IFileSystem ?? Template.FileSystem;
var templateFileSystem = fileSystem as ITemplateFileSystem;
Template template = null;
if (templateFileSystem != null)
{
template = templateFileSystem.GetTemplate(context, _templateName);
}
if (template == null)
{
var source = fileSystem.ReadTemplateFile(context, _templateName);
template = Template.Parse(source, template.FileSystem);
}
var parentBlocks = FindBlocks(template.Root, null);
var orphanedBlocks = ((List <Block>)context.Scopes.First()["extends"]) ?? new List <Block>();
var blockState = BlockRenderState.Find(context) ?? new BlockRenderState();
context.Stack(() =>
{
context["blockstate"] = blockState; // Set or copy the block state down to this scope
context["extends"] = new List <Block>(); // Holds Blocks that were not found in the parent
foreach (var block in NodeList.OfType <Block>().Concat(orphanedBlocks))
{
var pb = parentBlocks.Find(b => b.BlockName == block.BlockName);
if (pb != null)
{
if (blockState.Parents.TryGetValue(block, out var parent))
{
blockState.Parents[pb] = parent;
}
pb.AddParent(blockState.Parents, pb.GetNodeList(blockState));
blockState.NodeLists[pb] = block.GetNodeList(blockState);
}
else if (IsExtending(template))
{
((List <Block>)context.Scopes.First()["extends"]).Add(block);
}
}
template.Render(result, RenderParameters.FromContext(context, result.FormatProvider));
});
}
// Gets the render-time node list from the node state
internal NodeList GetNodeList(BlockRenderState blockState)
{
return(blockState == null ? NodeList : blockState.GetNodeList(this));
}
