internal static TemplateDelegate CompileView(ViewReaderFactory readerFactoryFactory, string templatePath, CompilationContext compilationContext)
{
var configuration = compilationContext.Configuration;
IEnumerable <object> tokens;
using (var sr = readerFactoryFactory(configuration, templatePath))
{
using (var reader = new ExtendedStringReader(sr))
{
tokens = Tokenizer.Tokenize(reader).ToArray();
}
}
var layoutToken = tokens.OfType <LayoutToken>().SingleOrDefault();
var expressions = ExpressionBuilder.ConvertTokensToExpressions(tokens, configuration);
var compiledView = FunctionBuilder.Compile(expressions, compilationContext);
if (layoutToken == null)
{
return(compiledView);
}
var fs = configuration.FileSystem;
var layoutPath = fs.Closest(templatePath, layoutToken.Value + ".hbs");
if (layoutPath == null)
{
throw new InvalidOperationException($"Cannot find layout '{layoutToken.Value}' for template '{templatePath}'");
}
var compiledLayout = CompileView(readerFactoryFactory, layoutPath, new CompilationContext(compilationContext));
return((in EncodedTextWriter writer, BindingContext context) =>
{
var config = context.Configuration;
using var bindingContext = BindingContext.Create(config, null);
foreach (var pair in context.ContextDataObject)
{
switch (pair.Key.WellKnownVariable)
{
case WellKnownVariable.Parent:
case WellKnownVariable.Root:
continue;
}
bindingContext.ContextDataObject[pair.Key] = pair.Value;
}
using var innerWriter = ReusableStringWriter.Get(config.FormatProvider);
using var textWriter = new EncodedTextWriter(innerWriter, config.TextEncoder, FormatterProvider.Current, true);
compiledView(textWriter, context);
var inner = innerWriter.ToString();
var viewModel = new LayoutViewModel(inner, context.Value);
bindingContext.Value = viewModel;
compiledLayout(writer, bindingContext);
});
internal static TemplateDelegate CompileView(ViewReaderFactory readerFactoryFactory, string templatePath, CompilationContext compilationContext)
{
var configuration = compilationContext.Configuration;
IEnumerable <object> tokens;
using (var sr = readerFactoryFactory(configuration, templatePath))
{
using (var reader = new ExtendedStringReader(sr))
{
tokens = Tokenizer.Tokenize(reader).ToArray();
}
}
var layoutToken = tokens.OfType <LayoutToken>().SingleOrDefault();
var expressions = ExpressionBuilder.ConvertTokensToExpressions(tokens, configuration);
var compiledView = FunctionBuilder.Compile(expressions, compilationContext);
if (layoutToken == null)
{
return(compiledView);
}
var fs = configuration.FileSystem;
var layoutPath = fs.Closest(templatePath, layoutToken.Value + ".hbs");
if (layoutPath == null)
{
throw new InvalidOperationException($"Cannot find layout '{layoutToken.Value}' for template '{templatePath}'");
}
var compiledLayout = CompileView(readerFactoryFactory, layoutPath, new CompilationContext(compilationContext));
return((in EncodedTextWriter writer, BindingContext context) =>
{
var config = context.Configuration;
using var innerWriter = ReusableStringWriter.Get(config.FormatProvider);
using var textWriter = new EncodedTextWriter(innerWriter, config.TextEncoder, config.UnresolvedBindingFormatter, true);
compiledView(textWriter, context);
var inner = innerWriter.ToString();
var vmContext = new [] { new { body = inner }, context.Value };
var viewModel = new DynamicViewModel(vmContext);
using var bindingContext = BindingContext.Create(config, viewModel);
compiledLayout(writer, bindingContext);
});
internal static Action <TextWriter, object> CompileView(ViewReaderFactory readerFactoryFactory, string templatePath, ICompiledHandlebarsConfiguration configuration)
{
IEnumerable <object> tokens;
using (var sr = readerFactoryFactory(configuration, templatePath))
{
using (var reader = new ExtendedStringReader(sr))
{
tokens = Tokenizer.Tokenize(reader).ToList();
}
}
var layoutToken = tokens.OfType <LayoutToken>().SingleOrDefault();
var expressionBuilder = new ExpressionBuilder(configuration);
var expressions = expressionBuilder.ConvertTokensToExpressions(tokens);
var compiledView = FunctionBuilder.Compile(expressions, configuration, templatePath);
if (layoutToken == null)
{
return(compiledView);
}
var fs = configuration.FileSystem;
var layoutPath = fs.Closest(templatePath, layoutToken.Value + ".hbs");
if (layoutPath == null)
{
throw new InvalidOperationException("Cannot find layout '" + layoutPath + "' for template '" +
templatePath + "'");
}
var compiledLayout = CompileView(readerFactoryFactory, layoutPath, configuration);
return((tw, vm) =>
{
string inner;
using (var innerWriter = ReusableStringWriter.Get(configuration.FormatProvider))
{
compiledView(innerWriter, vm);
inner = innerWriter.ToString();
}
compiledLayout(tw, new DynamicViewModel(new[] { new { body = inner }, vm }));
});
}
private Action <TextWriter, object> CompileViewInternal(string templatePath, ViewReaderFactory readerFactoryFactory)
{
var configuration = CompiledConfiguration ?? new HandlebarsConfigurationAdapter(Configuration);
var createdFeatures = configuration.Features;
for (var index = 0; index < createdFeatures.Count; index++)
{
createdFeatures[index].OnCompiling(configuration);
}
var compiledView = HandlebarsCompiler.CompileView(readerFactoryFactory, templatePath, configuration);
for (var index = 0; index < createdFeatures.Count; index++)
{
createdFeatures[index].CompilationCompleted();
}
return(compiledView);
}
private HandlebarsTemplate <TextWriter, object, object> CompileViewInternal(string templatePath, ViewReaderFactory readerFactoryFactory)
{
using var container = AmbientContext.Use(_ambientContext);
var configuration = CompiledConfiguration ?? new HandlebarsConfigurationAdapter(Configuration);
var formatterProvider = new FormatterProvider(configuration.FormatterProviders);
var objectDescriptorFactory = new ObjectDescriptorFactory(configuration.ObjectDescriptorProviders);
var localContext = AmbientContext.Create(
_ambientContext,
formatterProvider: formatterProvider,
descriptorFactory: objectDescriptorFactory
);
using var localContainer = AmbientContext.Use(localContext);
var createdFeatures = configuration.Features;
for (var index = 0; index < createdFeatures.Count; index++)
{
createdFeatures[index].OnCompiling(configuration);
}
var compilationContext = new CompilationContext(configuration);
var compiledView = HandlebarsCompiler.CompileView(readerFactoryFactory, templatePath, compilationContext);
for (var index = 0; index < createdFeatures.Count; index++)
{
createdFeatures[index].CompilationCompleted();
}
return((writer, context, data) =>
{
using var disposableContainer = AmbientContext.Use(localContext);
if (context is BindingContext bindingContext)
{
bindingContext.Extensions["templatePath"] = templatePath;
var config = bindingContext.Configuration;
using var encodedTextWriter = new EncodedTextWriter(writer, config.TextEncoder, formatterProvider, config.NoEscape);
compiledView(encodedTextWriter, bindingContext);
}
else
{
using var newBindingContext = BindingContext.Create(configuration, context);
newBindingContext.Extensions["templatePath"] = templatePath;
newBindingContext.SetDataObject(data);
using var encodedTextWriter = new EncodedTextWriter(writer, configuration.TextEncoder, formatterProvider, configuration.NoEscape);
compiledView(encodedTextWriter, newBindingContext);
}
});
}
public HandlebarsTemplate <TextWriter, object, object> CompileView(string templatePath, ViewReaderFactory readerFactoryFactory)
{
readerFactoryFactory ??= ViewReaderFactory;
return(CompileViewInternal(templatePath, readerFactoryFactory));
}
private HandlebarsTemplate <TextWriter, object, object> CompileViewInternal(string templatePath, ViewReaderFactory readerFactoryFactory)
{
var configuration = CompiledConfiguration ?? new HandlebarsConfigurationAdapter(Configuration);
var createdFeatures = configuration.Features;
for (var index = 0; index < createdFeatures.Count; index++)
{
createdFeatures[index].OnCompiling(configuration);
}
var compilationContext = new CompilationContext(configuration);
var compiledView = HandlebarsCompiler.CompileView(readerFactoryFactory, templatePath, compilationContext);
for (var index = 0; index < createdFeatures.Count; index++)
{
createdFeatures[index].CompilationCompleted();
}
return((writer, context, data) =>
{
if (context is BindingContext bindingContext)
{
bindingContext.Extensions["templatePath"] = templatePath;
var config = bindingContext.Configuration;
using var encodedTextWriter = new EncodedTextWriter(writer, config.TextEncoder, config.UnresolvedBindingFormatter, config.NoEscape);
compiledView(encodedTextWriter, bindingContext);
}
else
{
using var newBindingContext = BindingContext.Create(configuration, context);
newBindingContext.Extensions["templatePath"] = templatePath;
newBindingContext.SetDataObject(data);
using var encodedTextWriter = new EncodedTextWriter(writer, configuration.TextEncoder, configuration.UnresolvedBindingFormatter, configuration.NoEscape);
compiledView(encodedTextWriter, newBindingContext);
}
});
}
public static HandlebarsTemplate <TextWriter, object, object> CompileView(string templatePath, ViewReaderFactory readerFactoryFactory)
{
return(Instance.CompileView(templatePath, readerFactoryFactory));
}