/// <inheritdoc/>
protected override void Write(StringRender renderer, SectionToken obj, Context context)
{
var value = context.Lookup(obj.SectionName);
if (!context.IsTruthyValue(value))
{
return;
}
if (value is IEnumerable && !context.RendererSettings.SectionBlacklistTypes.Any(x => x.IsInstanceOfType(value)))
{
var arrayValue = value as IEnumerable;
foreach (var v in arrayValue)
{
renderer.Render(obj, context.Push(v));
}
}
else if (value is IEnumerator)
{
var enumeratorValue = value as IEnumerator;
while (enumeratorValue.MoveNext())
{
renderer.Render(obj, context.Push(enumeratorValue.Current));
}
enumeratorValue.Reset();
}
else if (LambdaTypes.Contains(value.GetType()))
{
var sectionContent = obj.SectionContent.ToString();
switch (value)
{
case Func <dynamic, string, object> func:
value = func(context.View, sectionContent);
break;
case Func <string, object> func:
value = func(sectionContent);
break;
case Func <dynamic, string, Func <string, string>, object> func:
value = func(context.View, sectionContent, RenderInContext(context, obj.Tags));
break;
case Func <string, Func <string, string>, object> func:
value = func(sectionContent, RenderInContext(context, obj.Tags));
break;
}
var valueString = value?.ToString() ?? string.Empty;
renderer.Render(context.RendererSettings.Parser.Parse(valueString, obj.Tags), context);
}
else if (value is IDictionary || value != null)
{
renderer.Render(obj, context.Push(value));
}
}
/// <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 = functionResult.ToString();
if (resultString.Contains("{{"))
{
renderer.Render(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/>
public string Render(string template, object view, IDictionary <string, string> partials, RenderSettings settings)
{
var loadedTemplate = RendererSettings.TemplateLoader.Load(template);
if (loadedTemplate == null)
{
throw new UnknownTemplateException("No template was found with the name '" + template + "'");
}
var document = RendererSettings.Parser.Parse(loadedTemplate, RendererSettings.DefaultTags, pipeline: RendererSettings.ParserPipeline);
var textwriter = new StringWriter();
var renderer = new StringRender(textwriter, RendererSettings.RendererPipeline, RendererSettings.MaxRecursionDepth);
var partialsLoader = RendererSettings.PartialTemplateLoader;
if (partials != null && partials.Keys.Count > 0)
{
partialsLoader = new CompositeLoader(new DictionaryLoader(partials), RendererSettings.PartialTemplateLoader);
}
renderer.Render(document, new Context(view, RendererSettings, partialsLoader, settings ?? RendererSettings.RenderSettings));
renderer.Writer.Flush();
return(((StringWriter)renderer.Writer).ToString());
}
/// <inheritdoc/>
protected override void Write(StringRender renderer, SectionToken obj, Context context)
{
var value = context.Lookup(obj.SectionName);
if (!context.IsTruthyValue(value))
{
return;
}
if (value is IEnumerable && !context.RendererSettings.SectionBlacklistTypes.Any(x => x.IsInstanceOfType(value)))
{
var arrayValue = value as IEnumerable;
foreach (var v in arrayValue)
{
renderer.Render(obj, context.Push(v));
}
}
else if (value is IEnumerator)
{
var enumeratorValue = value as IEnumerator;
while (enumeratorValue.MoveNext())
{
renderer.Render(obj, context.Push(enumeratorValue.Current));
}
enumeratorValue.Reset();
}
else if (value is Func <dynamic, string, object> || value is Func <string, object> )
{
var functionDynamicValue = value as Func <dynamic, string, object>;
var functionStringValue = value as Func <string, object>;
var sectionContent = obj.SectionContent;
value = functionDynamicValue != null
? functionDynamicValue.Invoke(context.View, sectionContent.ToString())
: functionStringValue.Invoke(sectionContent.ToString());
renderer.Render(context.RendererSettings.Parser.Parse(value.ToString(), obj.Tags), context);
}
else if (value is IDictionary || value != null)
{
renderer.Render(obj, context.Push(value));
}
}
/// <inheritdoc/>
protected override void Write(StringRender renderer, InvertedSectionToken obj, Context context)
{
var value = context.Lookup(obj.SectionName);
if (!context.IsTruthyValue(value))
{
renderer.Render(obj, context);
}
}
/// <inheritdoc/>
protected override void Write(StringRender renderer, PartialToken obj, Context context)
{
var partialName = obj.Content;
string template = null;
if (context.PartialLoader != null)
{
template = context.PartialLoader.Load(partialName.ToString());
}
if (template != null)
{
renderer.Render(context.RendererSettings.Parser.Parse(template, lineIndent: obj.LineIndent), context);
}
}
/// <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);
}
private Func <string, string> RenderInContext(Context context, Classes.Tags tags)
{
return((str) =>
{
if (!str.Contains(tags.StartTag))
{
return str;
}
using var writer = new StringWriter();
var blockRenderer = new StringRender(writer, context.RendererSettings.RendererPipeline);
var parsed = context.RendererSettings.Parser.Parse(str, tags);
blockRenderer.Render(parsed, context);
return writer.ToString();
});
}
