private GraphQLValue CreateVariable(ChainLinkArgument argument, List <GraphQLVariableDefinition> variableDefinitions, Dictionary <string, object> variableValues)
{
if (argument.Value == null)
{
return(new GraphQLScalarValue(ASTNodeKind.NullValue));
}
var variableName = $"var_{variableDefinitions.Count}";
var variable = new GraphQLVariable()
{
Name = new GraphQLName()
{
Value = variableName
}
};
variableDefinitions.Add(new GraphQLVariableDefinition()
{
Variable = variable,
Type = new GraphQLNamedType()
{
Name = new GraphQLName()
{
Value = argument.GraphQLType
}
}
});
variableValues.Add(variableName, argument.Value);
return(variable);
}
public override GraphQLVariable EndVisitVariable(GraphQLVariable variable)
{
{
Tracker.EnterVariable?.Invoke(variable);
}
return(base.EndVisitVariable(variable));
}
public virtual GraphQLVariable BeginVisitVariable(GraphQLVariable variable)
{
if (variable.Name != null)
{
BeginVisitNode(variable.Name);
}
return(EndVisitVariable(variable));
}
protected override ValueTask VisitVariableAsync(GraphQLVariable variable, GetVariablesVisitorContext context)
{
// GraphQLVariable AST node represents both variable definition and variable usage so check parent node
if (context.Info.GetAncestor(1) is not GraphQLVariableDefinition)
{
context.AddVariableUsage(new VariableUsage(variable, context.Info.GetInputType() !));
}
return(default);
private VariableUsage CreateUsage(GraphQLVariable variable)
{
var type = this.GetLastInputType();
return(new VariableUsage()
{
ArgumentType = type,
Variable = variable
});
}
public override GraphQLVariable BeginVisitVariable(GraphQLVariable variable)
{
var usage = this.CreateUsage(variable);
if (usage != null)
{
this.variableUsages.Add(usage);
}
return(base.BeginVisitVariable(variable));
}
private string PrintVariable(GraphQLVariable variable)
{
return($"${variable.Name.Value}");
}
/// <summary>
/// Initializes a new instance with the specified parameters.
/// </summary>
/// <param name="node">A variable reference node.</param>
/// <param name="type">A graph type.</param>
public VariableUsage(GraphQLVariable node, IGraphType type)
{
Node = node;
Type = type;
}
public virtual GraphQLVariable EndVisitVariable(GraphQLVariable variable) => variable;
public virtual GraphQLVariable EndVisitVariable(GraphQLVariable variable)
{
return(variable);
}
/// <summary>
/// Initializes a new instance with the specified properties.
/// </summary>
public NoUndefinedVariablesError(ValidationContext context, GraphQLOperationDefinition node, GraphQLVariable variableReference)
: base(context.Document.Source, NUMBER, UndefinedVarMessage(variableReference.Name.StringValue, node.Name?.StringValue), variableReference, node)
{
}
public Result GetValue(GraphQLVariable value) => this.GetValue(value.Name.Value);
public override GraphQLVariable EndVisitVariable(GraphQLVariable variable)
{
Tracker.LeaveVariable?.Invoke(variable);
return(base.EndVisitVariable(variable));
}
public override GraphQLVariable BeginVisitVariable(GraphQLVariable variable)
{
Tracker.EnterVariable?.Invoke(variable);
return(base.BeginVisitVariable(variable));
}
public object GetValue(GraphQLVariable value) => this.GetValue(value.Name.Value);
