public AntlrToExpressionTreeCompiler(AntlrVelocityParser parser, IImmutableList <CustomDirectiveBuilder> customDirectives, VelocityExpressionFactory expressionFactory, bool reduceWhitespace)
{
_parser = parser;
_customDirectives = customDirectives ?? ImmutableList <CustomDirectiveBuilder> .Empty;
_expressionFactory = expressionFactory;
ReduceWhitespace = reduceWhitespace;
}
protected T Parse <T>(string input, Func <VelocityParser, T> parseFunc, int?lexerMode = null)
where T : RuleContext
{
var inputStream = new AntlrInputStream(input);
var expressionFactory = new VelocityExpressionFactory(new ReusableBinderFactory(new BinderFactory()));
return(new AntlrVelocityParser(null, expressionFactory)
.ParseTemplate(inputStream, Utility.GetName(), parseFunc, lexerMode));
}
public void TemplateCompilationTests(string path, string assemblyName)
{
using (var file = File.OpenRead(path))
using (var reader = new StreamReader(file))
{
var antlrDirectives = BlockDirectives
.Select(x => new AntlrBlockDirectiveBuilder(x))
.Concat(new CustomDirectiveBuilder[] { new ForeachDirectiveBuilder() })
.ToImmutableList();
var expressionTreeFactory = new VelocityExpressionFactory(_binderFactory);
var parser = new AntlrVelocityParser(antlrDirectives, expressionTreeFactory);
var expressionTree = parser.Parse(reader, assemblyName);
if (Compile || ExecuteTemplate)
{
VelocityDiskCompiler diskCompiler = null;
VelocityCompiler compiler;
if (SaveDlls || SaveIl)
{
diskCompiler = new VelocityDiskCompiler(new AssemblyName(assemblyName), OutputDir);
compiler = diskCompiler;
}
else
{
compiler = new VelocityCompiler();
}
var result = compiler.CompileWithSymbols(expressionTree, assemblyName, path);
if (ExecuteTemplate)
{
var context = new VelocityContext();
using (var writer = new StringWriter())
{
var output = new VelocityOutput(writer);
result(context, output);
}
}
if (SaveDlls || SaveIl)
{
diskCompiler.SaveDll();
if (SaveIl)
{
diskCompiler.SaveIl();
}
}
}
}
}
public AntlrVelocityParser(IImmutableList <CustomDirectiveBuilder> customDirectives, VelocityExpressionFactory expressionFactory, bool reduceWhitespace = false)
{
if (expressionFactory == null)
{
throw new ArgumentNullException(nameof(expressionFactory));
}
_customDirectives = customDirectives ?? ImmutableList <CustomDirectiveBuilder> .Empty;
_expressionFactory = expressionFactory;
_reduceWhitespace = reduceWhitespace;
_blockDirectives = _customDirectives.Where(x => x.IsBlockDirective).Select(x => x.Name).ToImmutableList();
_singleLineDirectives = _customDirectives.Where(x => !x.IsBlockDirective).Select(x => x.Name).ToImmutableList();
}
