public string Handle(MethodCallExpression expression, Func<Expression, string> expressionWriter, ODataExpressionConverterSettings settings)
{
return string.Format(
"{0} eq {1}",
expressionWriter(expression.Object),
expressionWriter(expression.Arguments[0]));
}
public static string Write(object value, ODataExpressionConverterSettings settings)
{
if (value == null)
{
return("null");
}
var type = value.GetType();
//if (type.IsEnum)
//{
// return string.Format("{0}", (int)value);
//}
var writer = settings.ValueWriters.FirstOrDefault(x => x.Handles(type));
if (writer != null)
{
return(writer.Write(value, settings));
}
if (typeof(Nullable <>).IsAssignableFrom(type))
{
var genericParameter = type.GetGenericArguments()[0];
return(Write(Convert.ChangeType(value, genericParameter, CultureInfo.CurrentCulture), settings));
}
return(value.ToString());
}
public static string Write(object value, ODataExpressionConverterSettings settings)
{
if (value == null)
{
return "null";
}
var type = value.GetType();
//if (type.IsEnum)
//{
// return string.Format("{0}", (int)value);
//}
var writer = settings.ValueWriters.FirstOrDefault(x => x.Handles(type));
if (writer != null)
{
return writer.Write(value, settings);
}
if (typeof(Nullable<>).IsAssignableFrom(type))
{
var genericParameter = type.GetGenericArguments()[0];
return Write(Convert.ChangeType(value, genericParameter, CultureInfo.CurrentCulture), settings);
}
return value.ToString();
}
public ODataQueryProvider(IODataDataClient client, ODataExpressionConverterSettings settings)
{
this.Settings = settings;
this.client = client;
_expressionProcessor = new ExpressionProcessor(settings);
_parameterBuilder = new ParameterBuilder();
}
public string Write(object value, ODataExpressionConverterSettings settings)
{
var enumType = value.GetType();
string assembly;
string typename;
settings.SerializationBinder.BindToName(enumType, out assembly, out typename);
return string.Format("{0}'{1}'", typename, value);
}
public string Write(object value, ODataExpressionConverterSettings settings)
{
var enumType = value.GetType();
string assembly;
string typename;
settings.SerializationBinder.BindToName(enumType, out assembly, out typename);
return(string.Format("{0}'{1}'", typename, value));
}
public string Handle(MethodCallExpression expression, Func<Expression, string> expressionWriter, ODataExpressionConverterSettings settings)
{
var arguments = expression.Arguments.Select(x => expressionWriter(x)).ToList();
string objectValue = null;
if (expression.Object != null) //instance method not static
{
objectValue = expressionWriter(expression.Object);
}
return odataFunction(objectValue, arguments, settings);
}
internal static void RegisterWriters(ODataExpressionConverterSettings settings)
{
settings.RegisterMember<DateTime>(nameof(DateTime.Date));
settings.RegisterMember<DateTime>(nameof(DateTime.Day));
settings.RegisterMember<DateTime>(nameof(DateTime.Year));
settings.RegisterMember<DateTime>(nameof(DateTime.Hour));
settings.RegisterMember<DateTime>(nameof(DateTime.MaxValue), "maxdatetime");
settings.RegisterMember<DateTime>(nameof(DateTime.Minute));
settings.RegisterMember<DateTime>(nameof(DateTime.MinValue), "mindatetime");
settings.RegisterMember<DateTime>(nameof(DateTime.Month));
settings.RegisterMember<DateTime>(nameof(DateTime.Now));
settings.RegisterMember<DateTime>(nameof(DateTime.Second));
}
internal static void RegisterWriters(ODataExpressionConverterSettings settings)
{
settings.RegisterMember <DateTime>(nameof(DateTime.Date));
settings.RegisterMember <DateTime>(nameof(DateTime.Day));
settings.RegisterMember <DateTime>(nameof(DateTime.Year));
settings.RegisterMember <DateTime>(nameof(DateTime.Hour));
settings.RegisterMember <DateTime>(nameof(DateTime.MaxValue), "maxdatetime");
settings.RegisterMember <DateTime>(nameof(DateTime.Minute));
settings.RegisterMember <DateTime>(nameof(DateTime.MinValue), "mindatetime");
settings.RegisterMember <DateTime>(nameof(DateTime.Month));
settings.RegisterMember <DateTime>(nameof(DateTime.Now));
settings.RegisterMember <DateTime>(nameof(DateTime.Second));
}
internal static void RegisterWriters(ODataExpressionConverterSettings settings)
{
settings.RegisterMethod <string>(nameof(string.Contains));
settings.RegisterMethod <string>(nameof(string.EndsWith));
settings.RegisterMethod <string>(nameof(string.StartsWith));
settings.RegisterMethod <string>(nameof(string.IndexOf));
settings.RegisterMethod <string>(nameof(string.ToLower));
settings.RegisterMethod <string>(nameof(string.ToLowerInvariant), "tolower");
settings.RegisterMethod <string>(nameof(string.ToUpper));
settings.RegisterMethod <string>(nameof(string.ToUpperInvariant), "toupper");
settings.RegisterMethod <string>(nameof(string.Trim));
settings.RegisterMember <string>(nameof(string.Length));
settings.RegisterValueWriter <string>(x => $"'{x}'");
}
public string Handle(MethodCallExpression expression, Func<Expression, string> expressionWriter, ODataExpressionConverterSettings settings)
{
var firstArg = expressionWriter(expression.Arguments[0]);
var method = expression.Method.Name.ToLowerInvariant();
string parameter = null;
var lambdaParameter = expression.Arguments[1] as LambdaExpression;
if (lambdaParameter != null)
{
var first = lambdaParameter.Parameters.First();
parameter = first.Name ?? first.ToString();
}
var predicate = expressionWriter(expression.Arguments[1]);
return string.Format("{0}/{1}({2}:{3})", firstArg, method, parameter, predicate);
}
internal static void RegisterWriters(ODataExpressionConverterSettings settings)
{
settings.RegisterMethod<string>(nameof(string.Contains));
settings.RegisterMethod<string>(nameof(string.EndsWith));
settings.RegisterMethod<string>(nameof(string.StartsWith));
settings.RegisterMethod<string>(nameof(string.IndexOf));
settings.RegisterMethod<string>(nameof(string.ToLower));
settings.RegisterMethod<string>(nameof(string.ToLowerInvariant), "tolower");
settings.RegisterMethod<string>(nameof(string.ToUpper));
settings.RegisterMethod<string>(nameof(string.ToUpperInvariant), "toupper");
settings.RegisterMethod<string>(nameof(string.Trim));
settings.RegisterMember<string>(nameof(string.Length));
settings.RegisterValueWriter<string>(x => $"'{x}'");
}
public string Write(object value, ODataExpressionConverterSettings settings)
{
return odataFunction(value, settings);
}
public ExpressionWriter(ODataExpressionConverterSettings settings)
{
this.settings = settings;
}
public string Handle(MemberExpression expression, ODataExpressionConverterSettings settings)
{
return expression.Member.Name.ToLowerInvariant();
}
internal static void RegisterWriters(ODataExpressionConverterSettings settings)
{
settings.RegisterMethod(typeof(Math), nameof(Math.Floor));
settings.RegisterMethod(typeof(Math), nameof(Math.Ceiling));
settings.RegisterMethod(typeof(Math), nameof(Math.Round));
}
public string Handle(MethodCallExpression expression, Func <Expression, string> expressionWriter, ODataExpressionConverterSettings settings)
{
var arguments = expression.Arguments.Select(x => expressionWriter(x)).ToList();
string objectValue = null;
if (expression.Object != null) //instance method not static
{
objectValue = expressionWriter(expression.Object);
}
return(odataFunction(objectValue, arguments, settings));
}
public string Write(object value, ODataExpressionConverterSettings settings)
{
return(odataFunction(value, settings));
}
public override string Write(object value, ODataExpressionConverterSettings settings)
{
var boolean = (bool)value;
return(boolean ? "true" : "false");
}
public string Handle(MethodCallExpression expression, Func <Expression, string> expressionWriter, ODataExpressionConverterSettings settings)
{
return(string.Format(
"{0} eq {1}",
expressionWriter(expression.Object),
expressionWriter(expression.Arguments[0])));
}
internal static void RegisterWriters(ODataExpressionConverterSettings settings)
{
settings.RegisterValueWriter(new GuidValueWriter());
}
public string Write(object value, ODataExpressionConverterSettings settings)
{
Guid guid = (Guid)value;
return(string.Format("guid'{0}'", guid.ToString().ToLower()));
}
public string Write(object value, ODataExpressionConverterSettings settings)
{
Guid guid = (Guid)value;
return string.Format("guid'{0}'", guid.ToString().ToLower());
}
internal static void RegisterWriters(ODataExpressionConverterSettings settings)
{
settings.RegisterMethod(typeof(Math), nameof(Math.Floor));
settings.RegisterMethod(typeof(Math), nameof(Math.Ceiling));
settings.RegisterMethod(typeof(Math), nameof(Math.Round));
}
internal static void RegisterWriters(ODataExpressionConverterSettings settings)
{
settings.RegisterValueWriter(new GuidValueWriter());
}
public ExpressionProcessor(ODataExpressionConverterSettings settings) : this(settings, new ExpressionWriter(settings))
{
}
public ExpressionWriter(ODataExpressionConverterSettings settings)
{
this.settings = settings;
}
public string Handle(MemberExpression expression, ODataExpressionConverterSettings settings)
{
return(expression.Member.Name.ToLowerInvariant());
}
internal static void RegisterWriters(ODataExpressionConverterSettings settings)
{
settings.RegisterMethod(typeof(Enum), nameof(Enum.HasFlag), (opj, args) => $"{opj} has {args.Single()}");
settings.RegisterValueWriter(new EnumValueWriter());
}
internal static void RegisterWriters(ODataExpressionConverterSettings settings)
{
}
internal static void RegisterWriters(ODataExpressionConverterSettings settings)
{
}
public string Handle(MemberExpression expression, ODataExpressionConverterSettings settings)
{
return(odataFunction(settings));
}
public override string Write(object value, ODataExpressionConverterSettings settings)
{
var base64 = Convert.ToBase64String((byte[])value);
return(string.Format("X'{0}'", base64));
}
public string Handle(MethodCallExpression expression, Func <Expression, string> expressionWriter, ODataExpressionConverterSettings settings)
{
var firstArg = expressionWriter(expression.Arguments[0]);
var method = expression.Method.Name.ToLowerInvariant();
string parameter = null;
var lambdaParameter = expression.Arguments[1] as LambdaExpression;
if (lambdaParameter != null)
{
var first = lambdaParameter.Parameters.First();
parameter = first.Name ?? first.ToString();
}
var predicate = expressionWriter(expression.Arguments[1]);
return(string.Format("{0}/{1}({2}:{3})", firstArg, method, parameter, predicate));
}
public string Handle(MemberExpression expression, ODataExpressionConverterSettings settings)
{
return odataFunction(settings);
}
internal static void RegisterWriters(ODataExpressionConverterSettings settings)
{
settings.RegisterMethod(typeof(Enum), nameof(Enum.HasFlag), (opj, args) => $"{opj} has {args.Single()}");
settings.RegisterValueWriter(new EnumValueWriter());
}
public abstract string Write(object value, ODataExpressionConverterSettings settings);
public ExpressionProcessor(ODataExpressionConverterSettings settings, IExpressionWriter writer)
{
this.settings = settings;
_writer = writer;
}