/// <summary>
/// Gets the String representation of the Graph Pattern
/// </summary>
/// <returns></returns>
public override string ToString()
{
StringBuilder output = new StringBuilder();
String indent = String.Empty;
if (_isUnion)
{
indent = new String(' ', 2);
for (int i = 0; i < _graphPatterns.Count; i++)
{
GraphPattern gp = _graphPatterns[i];
if (i > 0)
{
output.Append(indent);
}
String temp = gp.ToString();
if (!temp.Contains('\n'))
{
if (gp.HasModifier)
{
temp = "{ " + temp + " }";
}
output.Append(temp + " ");
}
else
{
if (gp.HasModifier)
{
temp = "{\n" + temp + "\n}";
}
output.AppendLineIndented(temp, 2);
}
if (i < _graphPatterns.Count - 1)
{
output.AppendLine();
output.Append(indent);
output.AppendLine("UNION");
}
}
return(output.ToString());
}
if (_isGraph || _isService)
{
if (_isGraph)
{
output.Append("GRAPH ");
}
else
{
output.Append("SERVICE ");
if (_isSilent)
{
output.Append("SILENT ");
}
}
switch (_graphSpecifier.TokenType)
{
case Token.QNAME:
output.Append(_graphSpecifier.Value);
break;
case Token.URI:
output.Append('<');
output.Append(_graphSpecifier.Value);
output.Append('>');
break;
case Token.VARIABLE:
default:
output.Append(_graphSpecifier.Value);
break;
}
output.Append(" ");
}
else if (_isOptional)
{
if (_isExists)
{
output.Append("EXISTS ");
}
else if (_isNotExists)
{
output.Append("NOT EXISTS ");
}
else
{
output.Append("OPTIONAL ");
}
}
else if (_isMinus)
{
output.Append("MINUS ");
}
output.Append("{ ");
bool linebreaks = ((_triplePatterns.Count + _graphPatterns.Count + _unplacedAssignments.Count) > 1) || _isFiltered;
if (linebreaks)
{
output.AppendLine();
indent = new String(' ', 2);
}
// Triple Patterns
foreach (ITriplePattern tp in _triplePatterns)
{
String temp = tp.ToString();
output.Append(indent);
if (temp.Contains('\n'))
{
String[] lines = temp.Split('\n');
for (int i = 0; i < lines.Length; i++)
{
if (i > 0)
{
output.Append(indent);
}
if (i > 0 && i < lines.Length - 1)
{
output.Append(' ');
}
output.Append(lines[i]);
if (i < lines.Length - 1)
{
output.AppendLine();
}
}
if (tp.PatternType != TriplePatternType.SubQuery)
{
output.Append(" . ");
}
if (linebreaks)
{
output.AppendLine();
}
}
else
{
output.Append(temp + " . ");
if (linebreaks)
{
output.AppendLine();
}
}
}
// Unplaced Assignments
foreach (IAssignmentPattern ap in _unplacedAssignments)
{
output.Append(ap.ToString());
if (linebreaks)
{
output.AppendLine();
}
}
// Inline Data
if (HasInlineData)
{
output.Append(indent);
String temp = _data.ToString();
if (!temp.Contains('\n'))
{
output.Append(temp + " ");
}
else
{
String[] lines = temp.Split('\n');
for (int i = 0; i < lines.Length; i++)
{
if (i > 0)
{
output.Append(indent);
}
output.Append(lines[i]);
if (i < lines.Length - 1)
{
output.AppendLine();
}
}
}
if (linebreaks)
{
output.AppendLine();
}
}
// Graph Patterns
foreach (GraphPattern gp in _graphPatterns)
{
output.Append(indent);
String temp = gp.ToString();
if (!temp.Contains('\n'))
{
output.Append(temp + " ");
}
else
{
String[] lines = temp.Split('\n');
for (int i = 0; i < lines.Length; i++)
{
if (i > 0)
{
output.Append(indent);
}
output.Append(lines[i]);
if (i < lines.Length - 1)
{
output.AppendLine();
}
}
}
if (linebreaks)
{
output.AppendLine();
}
}
// Filters
if (_filter != null)
{
output.Append(indent);
output.Append(_filter.ToString());
if (linebreaks)
{
output.AppendLine();
}
}
foreach (ISparqlFilter filter in _unplacedFilters)
{
output.Append(indent);
output.Append(filter.ToString());
if (linebreaks)
{
output.AppendLine();
}
}
output.Append("}");
return(output.ToString());
}
