private static PathInformation ColloquialString2PathInformationInternal([NotNull] string path, InspectionPlanEntity entity)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentException("The path string must not be null or empty.", nameof(path));
}
// fast code path for root path
if (path == DelimiterString)
{
if (entity != InspectionPlanEntity.Part)
{
throw new ArgumentException("The root path must always be of type part.", nameof(entity));
}
return(PathInformation.Root);
}
// convert to database format by prepending a delimiter if it is not already present
if (!path.StartsWith(DelimiterString))
{
path = DelimiterString + path;
}
// convert to database format by appending a delimiter if it is not already present (beware of escaping)
if (!path.EndsWith(DelimiterString) || path.EndsWith(EscapedDelimiter))
{
path = path + DelimiterString;
}
return(String2PathInformationInternal(path, null, i => entity));
}
/// <summary>
/// Constructor.
/// </summary>
public PathElement(InspectionPlanEntity type = InspectionPlanEntity.Part, string value = "")
{
Type = type;
Value = value ?? string.Empty;
}
/// <summary>
/// Constructor.
/// </summary>
public PathElement( InspectionPlanEntity type = InspectionPlanEntity.Part, string value = "" )
{
Type = type;
Value = value ?? string.Empty;
}
/// <summary> Internal method to create a <see cref="PathInformation"/> object from <paramref name="path"/>. </summary>
private static PathInformation String2PathInformationInternal( string path, string structure, InspectionPlanEntity? entity )
{
var resultPath = PathInformation.Root;
if( !string.IsNullOrEmpty( path ) && !( path == Delimiter.ToString() && string.IsNullOrEmpty( structure ) ) )
{
var result = new List<PathElement>( structure != null ? structure.Length : 10 );
int i = 0;
var startIndex = path[ 0 ] == Delimiter ? 1 : 0;
var sb = new StringBuilder( path.Length );
for( int j = startIndex; j < path.Length; j++ ) // ersten Slash überlesen
{
char current = path[ j ];
if( current == '\\' )
{
current = path[ ++j ];
sb.Append( current );
}
else if( current == Delimiter )
{
if( structure == null )
result.Add( new PathElement( entity.GetValueOrDefault( InspectionPlanEntity.Part ), sb.ToString() ) );
else if (structure.Length <= i)
throw new ArgumentException( string.Format( "The path structure does not match the actual path: The path is '{0}' but structure is '{1}' ({2} segements).", path, structure, structure.Length ), "structure" );
else if( structure[ i++ ] == 'P' )
result.Add( new PathElement( InspectionPlanEntity.Part, sb.ToString() ) );
else
result.Add( new PathElement( InspectionPlanEntity.Characteristic, sb.ToString() ) );
sb = new StringBuilder( path.Length );
}
else
{
sb.Append( current );
}
}
if( sb.Length > 0 )
{
if( structure == null )
result.Add( new PathElement( entity.GetValueOrDefault( InspectionPlanEntity.Part ), sb.ToString() ) );
else if( structure.Length <= i )
throw new ArgumentException( string.Format( "The path structure does not match the actual path: The path is '{0}' but structure is '{1}' ({2} segements).", path, structure, structure.Length ), "structure" );
else if( structure[ i++ ] == 'P' )
result.Add( new PathElement( InspectionPlanEntity.Part, sb.ToString() ) );
else
result.Add( new PathElement( InspectionPlanEntity.Characteristic, sb.ToString() ) );
}
resultPath = new PathInformation( result );
}
return resultPath;
}