public async Task <IWikiContainer <IWikiArticle> > GetContainerAsync(IWikiArticle wikiArticle, Wikitext astRoot)
{
var wikiData = _wikiContentFactory.CreateWikiData(astRoot.ToPlainText(), ContentModel.WikiText);
// Create the root of WikiComponent tree.
var articleContainer = _wikiComponentFactory.CreateArticleContainer(wikiData, wikiArticle, astRoot, astRoot);
var firstChild = astRoot.Lines.FirstNode;
// Compose WikiComponent tree.
var rootChildren = await _astTranslator.TranslateNodesAsync(firstChild);
if (rootChildren.Any())
{
articleContainer.AddChildren(rootChildren);
}
else
{
_logger.LogWarning("AST translator returned empty list of article descendants.");
}
return(articleContainer);
}
// RULE: One component has one node or multiple nodes that are adjacent siblings, one node belongs to zero or one component.
public bool ParseNode(Node startNode, out PatternMatchComponent?outMatchComponent)
{
PatternMatch?match = null;
if (startNode is Template template)
{
match = RunPatternEnumeration(
_templateSpecifications.Select(
pattern => pattern.Expression(template)));
}
//else if (startNode is InlineNode inlineNode)
//{
// match = RunPatternEnumeration(
// _inlinePatterns.Select(
// pattern => pattern(inlineNode)));
//}
//else
//{
// match = RunPatternEnumeration(
// _patterns.Select(
// pattern => pattern(startNode)));
//}
if (match == null)
{
outMatchComponent = null;
return(false);
}
// We have a match here, create component.
if (match.WikiComponentType == WikiComponentType.Image)
{
// TODO: Must figure out lazy loading of data like images here.
// Probably change the T IWikiContainer.Content member to something like T LoadContentAsync().
// Then the container will load the content itself when asked to, which means it will need an instance of IArchive and IIdProvider.
// So maybe create a service to wrap all that and pass it to the IWikiContainerFactory?
throw new NotImplementedException();
}
var rawDataSb = new StringBuilder();
Node exportNode = startNode;
// TODO: This way, raw data of nested components will overlap. Is that OK? Shall there be a config for this?
while (true)
{
rawDataSb.Append(exportNode.ToPlainText());
if (exportNode == match.EndNode)
{
break;
}
else
{
// Assuming that there is a non-null node behind one that was not the end node.
exportNode = exportNode.NextNode;
}
}
var rawData = _wikiContentFactory.CreateWikiData(rawDataSb.ToString(), ContentModel.WikiText);
outMatchComponent = new PatternMatchComponent(match, _wikiComponentFactory.CreateComponent(rawData, match.WikiComponentType, startNode, match.EndNode));
#region Log match
var startNodeString = startNode.ToString() ?? "";
var startNodeSubstring = startNodeString.Substring(0, Math.Min(50, startNodeString.Length));
_logger.LogDebug($"Found {match.WikiComponentType}.{Environment.NewLine}" +
$"Starts with: {startNodeSubstring}.{Environment.NewLine}" +
$"Has length of: {startNodeString.Length}.{Environment.NewLine}" +
$"Has hash: {startNodeString.GetHashCode()}");
#endregion
return(true);
}
