private static void InvokePartialWithFallback(
string partialName,
BindingContext context,
HandlebarsConfiguration configuration)
{
if (!InvokePartial(partialName, context, configuration))
{
if (context.PartialBlockTemplate == null)
{
throw new HandlebarsRuntimeException(
string.Format("Referenced partial name {0} could not be resolved", partialName));
}
context.PartialBlockTemplate(context.TextWriter, context);
}
}
private static bool InvokePartial(
string partialName,
BindingContext context,
EncodedTextWriter writer,
ICompiledHandlebarsConfiguration configuration)
{
if (partialName.Equals(SpecialPartialBlockName))
{
if (context.PartialBlockTemplate == null)
{
return false;
}
context.PartialBlockTemplate(writer, context.ParentContext);
return true;
}
//if we have an inline partial, skip the file system and RegisteredTemplates collection
if (context.InlinePartialTemplates.TryGetValue(partialName, out var partial))
{
partial(writer, context);
return true;
}
// Partial is not found, so call the resolver and attempt to load it.
if (!configuration.RegisteredTemplates.ContainsKey(partialName))
{
var handlebars = Handlebars.Create(configuration);
if (configuration.PartialTemplateResolver == null
|| !configuration.PartialTemplateResolver.TryRegisterPartial(handlebars, partialName, (string) context.Extensions.Optional("templatePath")))
{
// Template not found.
return false;
}
}
try
{
using var textWriter = writer.CreateWrapper();
configuration.RegisteredTemplates[partialName](textWriter, context);
return true;
}
catch (Exception exception)
{
throw new HandlebarsRuntimeException($"Runtime error while rendering partial '{partialName}', see inner exception for more information", exception);
}
}
private static bool InvokePartial(
string partialName,
BindingContext context,
HandlebarsConfiguration configuration)
{
if (partialName.Equals(SpecialPartialBlockName))
{
if (context.PartialBlockTemplate == null)
{
return(false);
}
context.PartialBlockTemplate(context.TextWriter, context);
return(true);
}
//if we have an inline partial, skip the file system and RegisteredTemplates collection
if (context.InlinePartialTemplates.ContainsKey(partialName))
{
context.InlinePartialTemplates[partialName](context.TextWriter, context);
return(true);
}
// Partial is not found, so call the resolver and attempt to load it.
if (configuration.RegisteredTemplates.ContainsKey(partialName) == false)
{
if (configuration.PartialTemplateResolver == null ||
configuration.PartialTemplateResolver.TryRegisterPartial(Handlebars.Create(configuration), partialName, context.TemplatePath) == false)
{
// Template not found.
return(false);
}
}
try
{
configuration.RegisteredTemplates[partialName](context.TextWriter, context);
return(true);
}
catch (Exception exception)
{
throw new HandlebarsRuntimeException(
$"Runtime error while rendering partial '{partialName}', see inner exception for more information",
exception);
}
}
private static void InvokePartialWithFallback(
string partialName,
BindingContext context,
EncodedTextWriter writer,
ICompiledHandlebarsConfiguration configuration)
{
if (InvokePartial(partialName, context, writer, configuration)) return;
if (context.PartialBlockTemplate == null)
{
if (configuration.MissingPartialTemplateHandler == null)
throw new HandlebarsRuntimeException($"Referenced partial name {partialName} could not be resolved");
configuration.MissingPartialTemplateHandler.Handle(configuration, partialName, writer);
return;
}
context.PartialBlockTemplate(writer, context);
}
private static bool InvokePartial(
string partialName,
BindingContext context,
HandlebarsConfiguration configuration)
{
if (partialName.Equals(SpecialPartialBlockName))
{
if (context.PartialBlockTemplate == null)
{
return(false);
}
context.PartialBlockTemplate(context.TextWriter, context);
return(true);
}
//if we have an inline partial, skip the file system and RegisteredTemplates collection
if (context.InlinePartialTemplates.ContainsKey(partialName))
{
context.InlinePartialTemplates[partialName](context.TextWriter, context);
return(true);
}
if (configuration.RegisteredTemplates.ContainsKey(partialName) == false)
{
if (configuration.FileSystem != null && context.TemplatePath != null)
{
var partialPath = configuration.FileSystem.Closest(context.TemplatePath,
"partials/" + partialName + ".hbs");
if (partialPath != null)
{
var compiled = Handlebars.Create(configuration)
.CompileView(partialPath);
configuration.RegisteredTemplates.Add(partialName, (writer, o) =>
{
writer.Write(compiled(o));
});
}
else
{
// Failed to find partial in filesystem
return(false);
}
}
else
{
return(false);
}
}
try
{
configuration.RegisteredTemplates[partialName](context.TextWriter, context);
return(true);
}
catch (Exception exception)
{
throw new HandlebarsRuntimeException(
$"Runtime error while rendering partial '{partialName}', see inner exception for more information",
exception);
}
}