private static string FormatDeletePattern(ITriple p, ref int propId)
{
return(String.Format(" {0} {1} {2} .",
FormatDeletePatternItem(p.Subject, ref propId),
FormatDeletePatternItem(p.Predicate, ref propId),
p.IsLiteral
? FormatDeletePatternItem(p.Object, p.DataType, p.LangCode)
: FormatDeletePatternItem(p.Object, ref propId)));
}
//private string FormatDeletePatterns(IEnumerable<Triple> deletePatterns)
//{
// int propId = 0;
// var deleteOp = new StringBuilder();
// deleteOp.AppendLine("DELETE {");
// foreach (var deleteGraphGroup in deletePatterns.GroupBy(d => d.Graph))
// {
// deleteOp.AppendFormat("GRAPH <{0}> {{", deleteGraphGroup.Key);
// deleteOp.AppendLine();
// foreach (var deletePattern in deleteGraphGroup)
// {
// if (deletePattern.Predicate.Equals(Constants.WildcardUri))
// {
// deleteOp.AppendFormat(" <{0}> ?d{1} ?d{2} .", deletePattern.Subject, propId++, propId++);
// }
// else if (!deletePattern.IsLiteral && deletePattern.Object.Equals(Constants.WildcardUri))
// {
// deleteOp.AppendFormat(" <{0}> <{1}> ?d{2} .", deletePattern.Subject, deletePattern.Predicate,
// propId++);
// }
// else
// {
// AppendTriplePattern(deletePattern, deleteOp);
// }
// deleteOp.AppendLine();
// }
// deleteOp.AppendLine("}");
// }
// deleteOp.AppendLine("}");
// return deleteOp.ToString();
//}
private void AppendTriplePattern(ITriple triple, StringBuilder builder)
{
builder.AppendFormat(" <{0}> <{1}> ", triple.Subject, triple.Predicate);
if (triple.IsLiteral)
{
builder.AppendFormat("\"{0}\"", triple.Object);
if (triple.DataType != null)
{
builder.Append("^^");
builder.AppendFormat("<{0}>", triple.DataType);
}
if (triple.LangCode != null)
{
builder.Append("@");
builder.Append(triple.LangCode);
}
}
else
{
builder.AppendFormat("<{0}>", triple.Object);
}
builder.Append(" .");
}
//private string FormatDeletePatterns(IEnumerable<Triple> deletePatterns)
//{
// int propId = 0;
// var deleteOp = new StringBuilder();
// deleteOp.AppendLine("DELETE {");
// foreach (var deleteGraphGroup in deletePatterns.GroupBy(d => d.Graph))
// {
// deleteOp.AppendFormat("GRAPH <{0}> {{", deleteGraphGroup.Key);
// deleteOp.AppendLine();
// foreach (var deletePattern in deleteGraphGroup)
// {
// if (deletePattern.Predicate.Equals(Constants.WildcardUri))
// {
// deleteOp.AppendFormat(" <{0}> ?d{1} ?d{2} .", deletePattern.Subject, propId++, propId++);
// }
// else if (!deletePattern.IsLiteral && deletePattern.Object.Equals(Constants.WildcardUri))
// {
// deleteOp.AppendFormat(" <{0}> <{1}> ?d{2} .", deletePattern.Subject, deletePattern.Predicate,
// propId++);
// }
// else
// {
// AppendTriplePattern(deletePattern, deleteOp);
// }
// deleteOp.AppendLine();
// }
// deleteOp.AppendLine("}");
// }
// deleteOp.AppendLine("}");
// return deleteOp.ToString();
//}
private void AppendTriplePattern(ITriple triple, StringBuilder builder)
{
builder.AppendFormat(" <{0}> <{1}> ", triple.Subject, triple.Predicate);
if (triple.IsLiteral)
{
builder.AppendFormat("\"{0}\"", triple.Object);
if (triple.DataType != null)
{
builder.Append("^^");
builder.AppendFormat("<{0}>", triple.DataType);
}
if (triple.LangCode != null)
{
builder.Append("@");
builder.Append(triple.LangCode);
}
}
else
{
builder.AppendFormat("<{0}>", triple.Object);
}
builder.Append(" .");
}
/// <summary>
/// Determines if the specified triple consists of a grounded (non-wildcard)
/// subject, predicate and object.
/// </summary>
/// <param name="t">The triple to check</param>
/// <returns></returns>
private static bool IsGrounded(ITriple t)
{
return (t.Predicate != Constants.WildcardUri) && (t.Object != Constants.WildcardUri);
}
/// <summary>
/// Determines if the specified triple is targeted at a specific graph
/// </summary>
/// <param name="t">The triple to check</param>
/// <returns></returns>
private static bool IsGraphTargeted(ITriple t)
{
return t.Graph != null && t.Graph != Constants.WildcardUri;
}
private static string FormatDeletePattern(ITriple p, ref int propId)
{
return String.Format(" {0} {1} {2} .",
FormatDeletePatternItem(p.Subject, ref propId),
FormatDeletePatternItem(p.Predicate, ref propId),
p.IsLiteral
? FormatDeletePatternItem(p.Object, p.DataType, p.LangCode)
: FormatDeletePatternItem(p.Object, ref propId));
}
/// <summary>
/// Determines if the specified triple consists of a grounded (non-wildcard)
/// subject, predicate and object.
/// </summary>
/// <param name="t">The triple to check</param>
/// <returns></returns>
private static bool IsGrounded(ITriple t)
{
return((t.Predicate != Constants.WildcardUri) && (t.Object != Constants.WildcardUri));
}
/// <summary>
/// Determines if the specified triple is targeted at a specific graph
/// </summary>
/// <param name="t">The triple to check</param>
/// <returns></returns>
private static bool IsGraphTargeted(ITriple t)
{
return(t.Graph != null && t.Graph != Constants.WildcardUri);
}
