public BlockResult ProcessBlock(string text, VariableCollection valueCollection)
{
var result = new BlockResult();
if (string.IsNullOrEmpty(text))
{
return(result);
}
if (RemoveComments)
{
text = RemoveTextComments(text);
}
var read_pos = 0;
while (read_pos < text.Length)
{
if (!FindAnyTag(text, "{{", "}}", read_pos, out var tagStart, out var tagEnd, out var tag))
{
break;
}
result.Builder.Append(text, read_pos, tagStart - read_pos);
read_pos = tagEnd;
if (tag.StartsWith("#"))
{
if (tag.StartsWith("#if ", StringComparison.OrdinalIgnoreCase))
{
conditionalBlock.Process(text, tag, valueCollection, result, ref read_pos);
}
else if (tag.StartsWith("#master ", StringComparison.OrdinalIgnoreCase))
{
ProcessMasterTag(tag, result);
}
else if (tag.StartsWith("#url ", StringComparison.OrdinalIgnoreCase))
{
ProcessUrlTag(tag, result);
}
else if (string.Equals(tag, "#script", StringComparison.OrdinalIgnoreCase))
{
ProcessScriptBlock(text, valueCollection, result, ref read_pos);
}
else if (string.Equals(tag, "#style", StringComparison.OrdinalIgnoreCase))
{
ProcessStyleBlock(text, valueCollection, result, ref read_pos);
}
else if (tag.StartsWith("#each ", StringComparison.OrdinalIgnoreCase))
{
eachBlock.Process(text, tag, valueCollection, result, ref read_pos);
}
else
{
result.Builder.Append(text.Substring(tagStart, tagEnd - tagStart));
}
}
else
{
// Process Variable Tag
if (valueCollection != null && valueCollection.TryGetFormattedValue(tag, out var item_value))
{
result.Builder.Append(item_value);
continue;
}
var sourceText = text.Substring(tagStart, tagEnd - tagStart);
var varResult = OnVariableNotFound(tag, sourceText);
if (!string.IsNullOrEmpty(varResult))
{
result.Builder.Append(varResult);
}
}
}
if (read_pos < text.Length)
{
result.Builder.Append(text, read_pos, text.Length - read_pos);
}
return(result);
}
