public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
var result = new System.Text.StringBuilder();
foreach (var arg in SubExpressions)
{
if (result.Length > 0)
{
result.Append(", ");
}
else
{
if (distinct)
{
result.Append("DISTINCT ");
}
}
result.Append(arg.ToSparqlString(settings));
}
result.Insert(0, FunctionName + "(");
result.Append(SpecialModifierParamsString(settings) + ")");
return(result.ToString());
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
return(string.Format(System.Globalization.CultureInfo.InvariantCulture,
"({0} AS {1})",
expression.ToSparqlString(settings),
variable.ToSparqlString(settings)));
}
public string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
return(string.Format(System.Globalization.CultureInfo.InvariantCulture,
"{0} {1} {2}.",
tripleSubject.ToSparqlString(settings),
triplePredicate.ToSparqlString(settings),
tripleObject.ToSparqlString(settings)));
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
if (settings == null)
{
throw new ArgumentNullException("settings");
}
return(variable.ToSparqlString(settings));
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
if (settings == null)
{
throw new ArgumentNullException("settings");
}
return(settings.PrefixingService.Shorten(iri));
}
protected override string SpecialModifierParamsString(SparqlConversion.SparqlSettings settings)
{
if (separator == null)
{
return("");
}
else
{
return("; SEPARATOR = " + new SimpleLiteralExpression(separator).ToSparqlString(settings));
}
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
if (string.IsNullOrWhiteSpace(language))
{
return(EscapedValue);
}
else
{
return(EscapedValue + "@" + language);
}
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
if (Arguments.Count > 0)
{
return(base.ToSparqlString(settings));
}
else
{
return("COUNT(" + (Distinct ? "DISTINCT " : "") + "*)");
}
}
protected string SubExpressionToSparqlString(int index, SparqlConversion.SparqlSettings settings)
{
bool requiresBrackets = subExpressions[index].Precedence(settings) <= this.Precedence(settings);
if (requiresBrackets)
{
return("(" + subExpressions[index].ToSparqlString(settings) + ")");
}
else
{
return(subExpressions[index].ToSparqlString(settings));
}
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
string result = Value.ToString(System.Globalization.CultureInfo.InvariantCulture);
if (settings.ExplicitLiteralTypes)
{
return("\"" + result + "\"" + GetTypeSuffix(settings));
}
else
{
return(result);
}
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
string result = variable.ToSparqlString(settings);
if (Direction == SortDirection.Descending)
{
return(SurroundWithExplicitDirection(result));
}
else
{
return(result);
}
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
string result = Value ? "true" : "false";
if (settings.ExplicitLiteralTypes)
{
return("\"" + result + "\"" + GetTypeSuffix(settings));
}
else
{
return(result);
}
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
var result = new System.Text.StringBuilder();
result.Append(SubExpressionToSparqlString(0, settings));
for (int i = 1; i < Operands.Count; i++)
{
result.Append(" " + OperatorSymbol + " ");
result.Append(SubExpressionToSparqlString(i, settings));
}
return(result.ToString());
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
var result = new System.Text.StringBuilder();
if (variables.Length == 1)
{
result.Append("VALUES ");
result.Append(variables[0].ToSparqlString(settings));
result.Append(" {");
for (int rowIndex = 0; rowIndex < values.GetLength(0); rowIndex++)
{
result.Append(" ");
var val = values[rowIndex, 0];
result.Append(val.ToSparqlString(settings));
}
result.Append(" }");
}
else
{
result.Append("VALUES (");
result.Append(variables[0].ToSparqlString(settings));
for (int i = 1; i < variables.Length; i++)
{
result.Append(" ");
result.Append(variables[i].ToSparqlString(settings));
}
result.Append(") {");
for (int rowIndex = 0; rowIndex < values.GetLength(0); rowIndex++)
{
result.Append(" (");
for (int i = 0; i < variables.Length; i++)
{
if (i > 0)
{
result.Append(" ");
}
var val = values[rowIndex, i];
result.Append(val.ToSparqlString(settings));
}
result.Append(")");
}
result.Append(" }");
}
return(result.ToString());
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
var result = new System.Text.StringBuilder();
foreach (var part in this.Parts)
{
if (result.Length > 0)
{
result.Append(PartDelimiter);
}
result.Append(ToSparqlChildString(part, settings));
}
return(result.ToString());
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
var result = new System.Text.StringBuilder();
foreach (var t in triples)
{
if (result.Length > 0)
{
result.Append("; ");
}
result.Append(t.Item1.ToSparqlString(settings) + " " + t.Item2.ToSparqlString(settings));
}
return("[ " + result.ToString() + " ]");
}
protected string ToSparqlChildString(PropertyPath child, SparqlConversion.SparqlSettings settings)
{
if (child == null)
{
throw new ArgumentNullException("child");
}
if (child.Precedence <= this.Precedence)
{
return("(" + child.ToSparqlString(settings) + ")");
}
else
{
return(child.ToSparqlString(settings));
}
}
protected string GetTypeSuffix(SparqlConversion.SparqlSettings settings)
{
if (settings == null)
{
throw new ArgumentNullException("settings");
}
if (HasLiteralTypeName)
{
return("^^" + settings.PrefixingService.Shorten(literalTypeName));
}
else
{
return("");
}
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
var result = new System.Text.StringBuilder();
foreach (var arg in SubExpressions)
{
if (result.Length > 0)
{
result.Append(", ");
}
result.Append(arg.ToSparqlString(settings));
}
result.Insert(0, functionName + "(");
result.Append(")");
return(result.ToString());
}
internal override byte Precedence(SparqlConversion.SparqlSettings settings)
{
return(120);
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
return("\"" + Value.ToString(System.Globalization.CultureInfo.InvariantCulture) + "\"" + GetTypeSuffix(settings));
}
protected internal override string ToSparqlFilterString(SparqlConversion.SparqlSettings settings)
{
return(string.Format(System.Globalization.CultureInfo.InvariantCulture,
filterExpression,
namedThings.Select(v => v.ToSparqlString(settings)).Cast <object>().ToArray()));
}
public sealed override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
return(Operator + " { " + triple.ToSparqlString(settings) + " }");
}
protected internal abstract string ToSparqlFilterString(SparqlConversion.SparqlSettings settings);
public abstract string ToSparqlString(SparqlConversion.SparqlSettings settings);
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
return("[]");
}
protected internal override string ToSparqlFilterString(SparqlConversion.SparqlSettings settings)
{
return(expression.ToSparqlString(settings));
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
return(OperatorSymbol + SubExpressionToSparqlString(0, settings));
}
internal sealed override byte Precedence(SparqlConversion.SparqlSettings settings)
{
return(255);
}
public override string ToSparqlString(SparqlConversion.SparqlSettings settings)
{
return(thing.ToSparqlString(settings));
}
