private IList <InvolvedTable> ParseInvolvedTables(
[NotNull] string involvedTablesString, Guid qualityConditionGuid)
{
IAlternateKeyConverter keyConverter =
_alternateKeyConverterProvider?.GetConverter(qualityConditionGuid);
return(IssueUtils.ParseInvolvedTables(involvedTablesString, keyConverter));
}
public static IList <InvolvedTable> ParseInvolvedTables(
[NotNull] string involvedTablesString,
[CanBeNull] IAlternateKeyConverter alternateKeyConverter = null)
{
// can be extended with data source identifier to allow disambiguation between datasets of same name from different data sources
const char tableHeaderStart = '[';
const string tableStringSeparator = ";[";
const char tableHeaderEnd = ']';
const char fieldNameSeparator = ':';
string[] tableStrings = involvedTablesString.Split(
new[] { tableStringSeparator }, StringSplitOptions.RemoveEmptyEntries);
var result = new List <InvolvedTable>(tableStrings.Length);
if (string.IsNullOrEmpty(involvedTablesString))
{
return(result);
}
const string errorFormat = "Invalid involved tables string: '{0}'";
var index = 0;
foreach (string tableString in tableStrings)
{
int tableHeaderEndIndex = tableString.IndexOf(tableHeaderEnd, 1);
Assert.True(tableHeaderEndIndex > 0, errorFormat, involvedTablesString);
int fieldNameSeparatorIndex = tableString.IndexOf(fieldNameSeparator, 1);
int tableNameStartIndex;
if (index == 0)
{
Assert.AreEqual(tableHeaderStart, tableString[0], errorFormat,
involvedTablesString);
tableNameStartIndex = 1;
}
else
{
tableNameStartIndex = 0;
}
string fieldName;
string tableName;
if (fieldNameSeparatorIndex > 0 && fieldNameSeparatorIndex < tableHeaderEndIndex)
{
// there is a key field name
fieldName = tableString.Substring(
fieldNameSeparatorIndex + 1,
tableHeaderEndIndex - fieldNameSeparatorIndex - 1);
tableName = tableString.Substring(tableNameStartIndex,
fieldNameSeparatorIndex -
tableNameStartIndex);
}
else
{
// no key field name
fieldName = null;
tableName = tableString.Substring(tableNameStartIndex,
tableHeaderEndIndex - tableNameStartIndex);
}
List <RowReference> rowReferences;
if (tableString.Length > tableHeaderEndIndex + 1)
{
string idString = tableString.Substring(tableHeaderEndIndex + 1);
string[] ids = idString.Split(_idValueSeparator,
StringSplitOptions.RemoveEmptyEntries);
rowReferences = new List <RowReference>(ids.Length);
foreach (string id in ids)
{
if (fieldName == null)
{
int oid;
try
{
oid = Convert.ToInt32(id, CultureInfo.InvariantCulture);
}
catch (FormatException formatException)
{
throw new AssertionException(
string.Format(errorFormat, involvedTablesString),
formatException);
}
rowReferences.Add(new OIDRowReference(oid));
}
else
{
object key = alternateKeyConverter?.Convert(tableName, fieldName, id) ??
id;
rowReferences.Add(new AlternateKeyRowReference(key));
}
}
}
else
{
rowReferences = new List <RowReference>(0);
}
result.Add(new InvolvedTable(tableName, rowReferences, fieldName));
index++;
}
return(result);
}
