public Arguments GetArgument()
{
var result = new Arguments();
if (TransportMode.HasValue)
{
result.Add("TransportMode", TransportMode.Value.ToTrafficDeviationInformationString());
}
if (!string.IsNullOrEmpty(LineNumber))
{
result.Add("LineNumber", LineNumber);
}
if (SiteId.HasValue)
{
result.Add("SiteId",SiteId.Value.ToString());
}
if (FromDate.HasValue && ToDate.HasValue)
{
result.Add("FromDate", FromDate.Value.ToString("yyyy-MM-dd"));
result.Add("ToDate", ToDate.Value.ToString("yyyy-MM-dd"));
}
if (FromDate.HasValue ^ ToDate.HasValue)
{
throw new ArgumentException("if any of the parameters FromDate or ToDate is set then both must be set");
}
return result;
}
protected virtual IDictionary GetArguments(MethodInfo method, object[] arguments)
{
var argumentMap = new Arguments();
var parameters = method.GetParameters();
for (int i = 0; i < parameters.Length; i++)
{
argumentMap.Add(parameters[i].Name, arguments[i]);
}
return argumentMap;
}
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
var items = value as IEnumerable;
var innerValues = new Arguments();
foreach( var item in items )
{
innerValues.Add(Util.ToReqlAst(item));
}
var makeArray = new MakeArray(innerValues, null);
serializer.Serialize(writer, makeArray.Build());
}
public Arguments GetArgument()
{
var result = new Arguments();
if (!string.IsNullOrEmpty(Ref))
{
result.Add("ref", new Argument(Ref) {UrlEncode = false});
}
else
{
throw new ArgumentException("ref can not be null or empty");
}
return result;
}
public Arguments GetArgument()
{
var result = new Arguments();
if (!string.IsNullOrEmpty(SearchString))
{
result.Add("SearchString", SearchString);
}
else
{
throw new ArgumentException("search string can not be null or empty!");
}
if (StationsOnly.HasValue)
{
result.Add("StationsOnly", StationsOnly.Value.ToString().ToLower());
}
if (MaxResults.HasValue)
{
result.Add("MaxResults", MaxResults.Value.ToString());
}
return result;
}
protected virtual void CreateArguments (ResolveContext ec, Parameter parameter, ref Arguments args)
{
args = new Arguments (2);
LambdaExpression selector = new LambdaExpression (loc);
block.SetParameter (parameter);
selector.Block = block;
selector.Block.AddStatement (new ContextualReturn (expr));
args.Add (new Argument (selector));
}
protected override void CreateArguments (ResolveContext ec, Parameter parameter, ref Arguments args)
{
base.CreateArguments (ec, parameter, ref args);
if (element_selector != null) {
LambdaExpression lambda = new LambdaExpression (element_selector.Location);
element_block.SetParameter (parameter.Clone ());
lambda.Block = element_block;
lambda.Block.AddStatement (new ContextualReturn (element_selector));
args.Add (new Argument (lambda));
}
}
public override void Emit (EmitContext ec)
{
if (IsBitwiseBoolean && UserOperator == null) {
EmitBitwiseBoolean (ec);
return;
}
if ((Binary.Oper & Binary.Operator.EqualityMask) != 0) {
EmitEquality (ec);
return;
}
Label is_null_label = ec.DefineLabel ();
Label end_label = ec.DefineLabel ();
if (ec.HasSet (BuilderContext.Options.AsyncBody) && Right.ContainsEmitWithAwait ()) {
Left = Left.EmitToField (ec);
Right = Right.EmitToField (ec);
}
if (UnwrapLeft != null) {
UnwrapLeft.EmitCheck (ec);
}
//
// Don't emit HasValue check when left and right expressions are same
//
if (UnwrapRight != null && !Binary.Left.Equals (Binary.Right)) {
UnwrapRight.EmitCheck (ec);
if (UnwrapLeft != null) {
ec.Emit (OpCodes.And);
}
}
ec.Emit (OpCodes.Brfalse, is_null_label);
if (UserOperator != null) {
var args = new Arguments (2);
args.Add (new Argument (Left));
args.Add (new Argument (Right));
var call = new CallEmitter ();
call.EmitPredefined (ec, UserOperator, args);
} else {
Binary.EmitOperator (ec, Left, Right);
}
//
// Wrap the result when the operator return type is nullable type
//
if (type.IsNullableType)
ec.Emit (OpCodes.Newobj, NullableInfo.GetConstructor (type));
ec.Emit (OpCodes.Br_S, end_label);
ec.MarkLabel (is_null_label);
if ((Binary.Oper & Binary.Operator.ComparisonMask) != 0) {
ec.EmitInt (0);
} else {
LiftedNull.Create (type, loc).Emit (ec);
}
ec.MarkLabel (end_label);
}
//
// Emits optimized equality or inequality operator when possible
//
void EmitEquality (EmitContext ec)
{
//
// Either left or right is null
//
if (UnwrapLeft != null && Binary.Right.IsNull) { // TODO: Optimize for EmitBranchable
//
// left.HasValue == false
//
UnwrapLeft.EmitCheck (ec);
if (Binary.Oper == Binary.Operator.Equality) {
ec.EmitInt (0);
ec.Emit (OpCodes.Ceq);
}
return;
}
if (UnwrapRight != null && Binary.Left.IsNull) {
//
// right.HasValue == false
//
UnwrapRight.EmitCheck (ec);
if (Binary.Oper == Binary.Operator.Equality) {
ec.EmitInt (0);
ec.Emit (OpCodes.Ceq);
}
return;
}
Label dissimilar_label = ec.DefineLabel ();
Label end_label = ec.DefineLabel ();
if (UserOperator != null) {
var left = Left;
if (UnwrapLeft != null) {
UnwrapLeft.EmitCheck (ec);
} else {
// Keep evaluation order same
if (!(Left is VariableReference)) {
Left.Emit (ec);
var lt = new LocalTemporary (Left.Type);
lt.Store (ec);
left = lt;
}
}
if (UnwrapRight != null) {
UnwrapRight.EmitCheck (ec);
if (UnwrapLeft != null) {
ec.Emit (OpCodes.Bne_Un, dissimilar_label);
Label compare_label = ec.DefineLabel ();
UnwrapLeft.EmitCheck (ec);
ec.Emit (OpCodes.Brtrue, compare_label);
if (Binary.Oper == Binary.Operator.Equality)
ec.EmitInt (1);
else
ec.EmitInt (0);
ec.Emit (OpCodes.Br, end_label);
ec.MarkLabel (compare_label);
} else {
ec.Emit (OpCodes.Brfalse, dissimilar_label);
}
} else {
ec.Emit (OpCodes.Brfalse, dissimilar_label);
}
var args = new Arguments (2);
args.Add (new Argument (left));
args.Add (new Argument (Right));
var call = new CallEmitter ();
call.EmitPredefined (ec, UserOperator, args);
} else {
if (ec.HasSet (BuilderContext.Options.AsyncBody) && Binary.Right.ContainsEmitWithAwait ()) {
Left = Left.EmitToField (ec);
Right = Right.EmitToField (ec);
}
//
// Emit underlying value comparison first.
//
// For this code: int? a = 1; bool b = a == 1;
//
// We emit something similar to this. Expressions with side effects have local
// variable created by Unwrap expression
//
// left.GetValueOrDefault ()
// right
// bne.un.s dissimilar_label
// left.HasValue
// br.s end_label
// dissimilar_label:
// ldc.i4.0
// end_label:
//
Left.Emit (ec);
Right.Emit (ec);
ec.Emit (OpCodes.Bne_Un_S, dissimilar_label);
//
// Check both left and right expressions for Unwrap call in which
// case we need to run get_HasValue() check because the type is
// nullable and could have null value
//
if (UnwrapLeft != null)
UnwrapLeft.EmitCheck (ec);
if (UnwrapRight != null)
UnwrapRight.EmitCheck (ec);
if (UnwrapLeft != null && UnwrapRight != null) {
if (Binary.Oper == Binary.Operator.Inequality)
ec.Emit (OpCodes.Xor);
else
ec.Emit (OpCodes.Ceq);
} else {
if (Binary.Oper == Binary.Operator.Inequality) {
ec.EmitInt (0);
ec.Emit (OpCodes.Ceq);
}
}
}
ec.Emit (OpCodes.Br_S, end_label);
ec.MarkLabel (dissimilar_label);
if (Binary.Oper == Binary.Operator.Inequality)
ec.EmitInt (1);
else
ec.EmitInt (0);
ec.MarkLabel (end_label);
}
protected override void CreateArguments (ResolveContext ec, out Arguments args)
{
base.CreateArguments (ec, out args);
if (element_selector != null) {
LambdaExpression lambda = new LambdaExpression (element_selector.Location);
lambda.Block = element_block;
lambda.Block.AddStatement (new ContextualReturn (element_selector));
args.Add (new Argument (lambda));
}
}
public override Expression CreateExpressionTree (ResolveContext rc)
{
if (UserOperator != null) {
Arguments args = new Arguments (2);
args.Add (new Argument (Binary.Left));
args.Add (new Argument (Binary.Right));
var method = new UserOperatorCall (UserOperator, args, Binary.CreateExpressionTree, loc);
return method.CreateExpressionTree (rc);
}
return Binary.CreateExpressionTree (rc);
}
public override Expression CreateExpressionTree (ResolveContext ec)
{
if (left is NullLiteral)
ec.Report.Error (845, loc, "An expression tree cannot contain a coalescing operator with null left side");
UserCast uc = left as UserCast;
Expression conversion = null;
if (uc != null) {
left = uc.Source;
Arguments c_args = new Arguments (2);
c_args.Add (new Argument (uc.CreateExpressionTree (ec)));
c_args.Add (new Argument (left.CreateExpressionTree (ec)));
conversion = CreateExpressionFactoryCall (ec, "Lambda", c_args);
}
Arguments args = new Arguments (3);
args.Add (new Argument (left.CreateExpressionTree (ec)));
args.Add (new Argument (right.CreateExpressionTree (ec)));
if (conversion != null)
args.Add (new Argument (conversion));
return CreateExpressionFactoryCall (ec, "Coalesce", args);
}
protected override void CreateArguments (ResolveContext ec, out Arguments args)
{
args = new Arguments (4);
args.Add (new Argument (expr));
LambdaExpression lambda = new LambdaExpression (outer_selector.StartLocation);
lambda.Block = outer_selector;
args.Add (new Argument (lambda));
lambda = new LambdaExpression (inner_selector.StartLocation);
lambda.Block = inner_selector;
args.Add (new Argument (lambda));
Expression result_selector_expr;
LocatedToken into_variable = GetIntoVariable ();
//
// When select follows use is as result selector
//
if (next is Select) {
result_selector_expr = next.expr;
next = next.next;
} else {
result_selector_expr = CreateRangeVariableType (block, ec.MemberContext, into_variable,
new SimpleName (into_variable.Value, into_variable.Location));
}
LambdaExpression result_selector = new LambdaExpression (lt.Location);
result_selector.Block = new QueryBlock (ec.Compiler, block.Parent, block.Parameters, into_variable, block.StartLocation);
result_selector.Block.AddStatement (new ContextualReturn (result_selector_expr));
args.Add (new Argument (result_selector));
}
protected override void CreateArguments (ResolveContext ec, Parameter parameter, ref Arguments args)
{
args = new Arguments (4);
if (IdentifierType != null)
expr = CreateCastExpression (expr);
args.Add (new Argument (expr));
outer_selector.SetParameter (parameter.Clone ());
var lambda = new LambdaExpression (outer_selector.StartLocation);
lambda.Block = outer_selector;
args.Add (new Argument (lambda));
inner_selector.SetParameter (new ImplicitLambdaParameter (identifier.Name, identifier.Location));
lambda = new LambdaExpression (inner_selector.StartLocation);
lambda.Block = inner_selector;
args.Add (new Argument (lambda));
base.CreateArguments (ec, parameter, ref args);
}
public Arguments GetArgument()
{
var result = new Arguments();
if (Lang.HasValue)
{
result.Add("lang", Lang.Value.ToTripLanguageString());
}
if (DateTime.HasValue)
{
result.Add("date", DateTime.Value.Date.ToString("yyyy-MM-dd"));
result.Add("time", DateTime.Value.ToString("HH:mm"));
}
if (SearchForArrival.HasValue)
{
result.Add("searchForArrival", SearchForArrival.Value ? "1" : "0");
}
if (NumberOfChanges.HasValue)
{
result.Add("numChg", NumberOfChanges.Value.ToString());
}
if (MinimumChangeTime.HasValue)
{
result.Add("minChgTime", MinimumChangeTime.Value.ToString());
}
if (!string.IsNullOrEmpty(OriginId))
{
result.Add("originId", OriginId);
}
foreach (var arg in Origin.GetArgument())
{
result.Add(arg.Key, arg.Value);
}
foreach (var arg in Destination.GetArgument())
{
result.Add(arg.Key, arg.Value);
}
if (!string.IsNullOrEmpty(DestId))
{
result.Add("destId", DestId);
}
if (ViaIds.Any())
{
var sb = new StringBuilder();
var counter = 0;
var length = ViaIds.Length;
foreach (var viaId in ViaIds)
{
sb.Append(viaId);
if (counter + 1 < length)
{
sb.Append(",");
}
counter++;
}
result.Add("viaId", sb.ToString());
}
if (ViaStopOver.HasValue)
{
result.Add("viaStopOver", ViaStopOver.Value.ToString());
}
if (Unsharp.HasValue)
{
result.Add("unsharp", Unsharp.Value ? "1" : "0");
}
if (SearchFirstLastTrip.HasValue)
{
result.Add("searchFirstLastTrip", SearchFirstLastTrip.Value ? "first" : "last");
}
if (MaxWalkDist.HasValue)
{
result.Add("maxWalkDist", MaxWalkDist.Value.ToString());
}
if (UseTrain.HasValue)
{
result.Add("useTrain", UseTrain.Value ? "1" : "0");
}
if (UseMetro.HasValue)
{
result.Add("useMetro", UseTrain.Value ? "1" : "0");
}
if (UseTram.HasValue)
{
result.Add("useTram", UseTram.Value ? "1" : "0");
}
if (UseBus.HasValue)
{
result.Add("useBus", UseTram.Value ? "1" : "0");
}
if (UseFerry.HasValue)
{
result.Add("useFerry", UseTram.Value ? "1" : "0");
}
if (UseShip.HasValue)
{
result.Add("useShip", UseShip.Value ? "1" : "0");
}
if (LineInc.Any())
{
var sb = new StringBuilder();
var counter = 0;
var length = LineInc.Length;
foreach (var line in LineInc)
{
sb.Append(line);
if (counter + 1 < length)
{
sb.Append(",");
}
counter++;
}
result.Add("lineInc", sb.ToString());
}
if (LineExc.Any())
{
var sb = new StringBuilder();
var counter = 0;
var length = LineExc.Length;
foreach (var line in LineExc)
{
sb.Append(line);
if (counter + 1 < length)
{
sb.Append(",");
}
counter++;
}
result.Add("lineExc", sb.ToString());
}
if (NumTrips.HasValue)
{
result.Add("numTrips", NumTrips.Value.ToString());
}
if (Encoding != null)
{
result.Add("encoding", Encoding.WebName);
}
return result;
}
protected override void CreateArguments (ResolveContext ec, out Arguments args)
{
base.CreateArguments (ec, out args);
Expression result_selector_expr;
//
// When select follow use is as result selector
//
if (next is Select) {
result_selector_expr = next.expr;
next = next.next;
} else {
result_selector_expr = CreateRangeVariableType (block, ec.MemberContext, lt, new SimpleName (lt.Value, lt.Location));
}
LambdaExpression result_selector = new LambdaExpression (lt.Location);
result_selector.Block = new QueryBlock (ec.Compiler, block.Parent, block.Parameters, lt, block.StartLocation);
result_selector.Block.AddStatement (new ContextualReturn (result_selector_expr));
args.Add (new Argument (result_selector));
}
private static ReqlAst ToReqlAst(object val, int remainingDepth, Func<object, ReqlAst> hook = null )
{
if( remainingDepth <= 0 )
{
throw new ReqlDriverCompileError("Recursion limit reached converting to ReqlAst");
}
if( hook != null )
{
var converted = hook(val);
if( !ReferenceEquals(converted, null) )
{
return converted;
}
}
var ast = val as ReqlAst;
if( !ReferenceEquals(ast, null) )
{
return ast;
}
var token = val as JToken;
if( token != null )
{
return new Poco(token);
}
var lst = val as IList;
if( lst != null )
{
Arguments innerValues = new Arguments();
foreach( object innerValue in lst )
{
innerValues.Add(ToReqlAst(innerValue, remainingDepth - 1));
}
return new MakeArray(innerValues, null);
}
var dict = val as IDictionary;
if( dict != null )
{
var obj = new Dictionary<string, ReqlAst>();
foreach( var keyObj in dict.Keys )
{
var key = keyObj as string;
if( key == null )
{
throw new ReqlDriverCompileError("Object keys can only be strings");
}
obj[key] = ToReqlAst(dict[keyObj]);
}
return MakeObj.fromMap(obj);
}
var del = val as Delegate;
if( del != null )
{
return Func.FromLambda(del);
}
var dt = val as DateTime?;
if (dt != null)
{
return new Poco(dt);
}
var dto = val as DateTimeOffset?;
if (dto != null)
{
return new Poco(dto);
}
var @int = val as int?;
if( @int != null )
{
return new Datum(@int);
}
if( IsNumber(val) )
{
return new Datum(val);
}
var @bool = val as bool?;
if( @bool != null )
{
return new Datum(@bool);
}
var str = val as string;
if( str != null )
{
return new Datum(str);
}
if( val == null )
{
return new Datum(null);
}
return new Poco(val);
}
//TODO: don't use "is" for performance
private static ReqlAst ToReqlAst(object val, int remainingDepth)
{
if (val is ReqlAst)
{
return (ReqlAst) val;
}
if (val is IList)
{
Arguments innerValues = new Arguments();
foreach (object innerValue in (IList) val)
{
innerValues.Add(ToReqlAst(innerValue, remainingDepth - 1));
}
return new MakeArray(innerValues, null);
}
if (val is IDictionary)
{
var obj = new Dictionary<string, ReqlAst>();
foreach (var entry in val as IDictionary<string, object>)
{
if (!(entry.Key is string))
{
throw new ReqlError("Object key can only be strings");
}
obj[(string) entry.Key] = ToReqlAst(entry.Value);
}
return MakeObj.FromMap(obj);
}
if (val is ReqlLambda)
{
return Func.FromLambda((ReqlLambda)val);
}
if (val is DateTime)
{
var dt = (DateTime)val;
var isoStr = dt.ToUniversalTime().ToString("o");
return Iso8601.FromString(isoStr);
}
if (val is int?)
{
return new Datum((int?) val);
}
if (IsNumber(val))
{
return new Datum(val);
}
if (val is bool?)
{
return new Datum((bool?) val);
}
if (val is string)
{
return new Datum((string) val);
}
if( val == null )
{
return new Datum(null);
}
throw new ReqlDriverError($"Can't convert {val} to a ReqlAst");
}
protected override void CreateArguments (ResolveContext ec, Parameter parameter, ref Arguments args)
{
if (args == null) {
if (IdentifierType != null)
expr = CreateCastExpression (expr);
base.CreateArguments (ec, parameter, ref args);
}
Expression result_selector_expr;
QueryBlock result_block;
var target = GetIntoVariable ();
var target_param = new ImplicitLambdaParameter (target.Name, target.Location);
//
// When select follows use it as a result selector
//
if (next is Select) {
result_selector_expr = next.Expr;
result_block = next.block;
result_block.SetParameters (parameter, target_param);
next = next.next;
} else {
result_selector_expr = CreateRangeVariableType (ec, parameter, target, new SimpleName (target.Name, target.Location));
result_block = new QueryBlock (ec.Compiler, block.Parent, block.StartLocation);
result_block.SetParameters (parameter, target_param);
}
LambdaExpression result_selector = new LambdaExpression (Location);
result_selector.Block = result_block;
result_selector.Block.AddStatement (new ContextualReturn (result_selector_expr));
args.Add (new Argument (result_selector));
}
private static ReqlAst ToReqlAst(object val, int remainingDepth)
{
if( remainingDepth <= 0 )
{
throw new ReqlDriverCompileError("Recursion limit reached converting to ReqlAst");
}
var ast = val as ReqlAst;
if( ast != null )
{
return ast;
}
var lst = val as IList;
if( lst != null )
{
Arguments innerValues = new Arguments();
foreach( object innerValue in lst )
{
innerValues.Add(ToReqlAst(innerValue, remainingDepth - 1));
}
return new MakeArray(innerValues, null);
}
var dict = val as IDictionary;
if( dict != null )
{
var obj = new Dictionary<string, ReqlAst>();
foreach( var keyObj in dict.Keys )
{
var key = keyObj as string;
if( key == null )
{
throw new ReqlDriverCompileError("Object keys can only be strings");
}
obj[key] = ToReqlAst(dict[keyObj]);
}
return MakeObj.fromMap(obj);
}
var del = val as Delegate;
if( del != null )
{
return Func.FromLambda(del);
}
if( val is DateTime )
{
var dt = (DateTime)val;
var isoStr = dt.ToString("o");
return Iso8601.FromString(isoStr);
}
if( val is DateTimeOffset )
{
var dt = (DateTimeOffset)val;
var isoStr = dt.ToString("o");
return Iso8601.FromString(isoStr);
}
var @int = val as int?;
if( @int != null )
{
return new Datum(@int);
}
if( IsNumber(val) )
{
return new Datum(val);
}
var @bool = val as bool?;
if( @bool != null )
{
return new Datum(@bool);
}
var str = val as string;
if( str != null )
{
return new Datum(str);
}
if( val == null )
{
return new Datum(null);
}
return new Poco(val);
}
/// <summary>
/// Deserializes arguments from an XML file.
/// </summary>
/// <param name="reader">XMLReader where the arguments are.</param>
/// <returns>Arguments.</returns>
public static Arguments Deserialize(XmlReader reader)
{
Arguments lResult = null;
if (reader.IsStartElement(DTD.Request.ServiceRequest.TagArguments))
{
lResult = new Arguments();
if (!reader.IsEmptyElement)
{
reader.ReadStartElement();
do
{
if (reader.IsStartElement(DTD.Request.ServiceRequest.Arguments.TagArgument))
{
lResult.Add(XMLArgumentSerializer.Deserialize(reader.ReadSubtree()));
}
} while (reader.Read());
}
else
{
reader.Skip();
}
}
else
{
throw new ArgumentException("Xml Reader don't have the " + DTD.Request.ServiceRequest.TagArguments + "in Start Element.", "XmlReader reader");
}
return lResult;
}
public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = new Arguments (2);
args.Add (new Argument (this));
args.Add (new Argument (new TypeOf (new TypeExpression (type, loc), loc)));
return CreateExpressionFactoryCall (ec, "Constant", args);
}