private static BlockExpression Compile(RawUriTemplate raw, Expression value)
{
var context = new Context(
target: value,
statements: new List <Expression>
{
Expression.Assign(QueryBuilder, Expression.New(ConstructorOfUrlBuilder, raw.LengthEstimateConstant))
},
variables: new List <ParameterExpression>
{
QueryBuilder
});
for (var i = 0; i < raw.Path.Count; i++)
{
AppendToken(context, raw.Path[i]);
}
for (var i = 0; i < raw.Query.Count; i++)
{
AppendQuery(context, raw.Query[i]);
}
context.Add(Expression.Call(QueryBuilder, MethodofUrlBuilder_ToString));
BlockExpression body = Expression.Block(context.Variables, context.Statements);
return(body);
}
#pragma warning restore IDE1006 // Naming Styles
public static Func <object, string> Compile(RawUriTemplate raw, RuntimeTypeHandle typeHandle)
{
ParameterExpression param = Expression.Parameter(typeof(object), "value");
BlockExpression body = Compile(raw, Expression.Convert(param, Type.GetTypeFromHandle(typeHandle)));
var lambda = Expression.Lambda <Func <object, string> >(body, param);
return(lambda.Compile());
}
public static Func <T, string> Compile <T>(RawUriTemplate raw)
{
ParameterExpression param = Expression.Parameter(typeof(T), "value");
BlockExpression body = Compile(raw, param);
var lambda = Expression.Lambda <Func <T, string> >(body, param);
return(lambda.Compile());
}
public UrlTemplate(string template)
{
Template = template ?? throw new ArgumentNullException(nameof(template));
_template = RawUriTemplate.Parse(template);
_compiled = new ConcurrentDictionary <RuntimeTypeHandle, Func <object, string> >();
}
public UrlTemplate(string template)
{
Template = template ?? throw new ArgumentNullException(nameof(template));
_compiled = TemplateCompiler.Compile <T>(RawUriTemplate.Parse(template));
}