// creates a list of field values from the given type.
// stream needs to be positioned at the beginning of the entry.
private DBRow ReadFields(BinaryReader reader, TypeInfo ttype, bool skipHeader = true)
{
if (!skipHeader)
{
readHeader(reader);
}
List <FieldInstance> entry = new List <FieldInstance>();
for (int i = 0; i < ttype.Fields.Count; ++i)
{
FieldInfo field = ttype.Fields[i];
FieldInstance instance = null;
try {
instance = field.CreateInstance();
instance.Decode(reader);
entry.Add(instance);
} catch (Exception x) {
throw new InvalidDataException(string.Format
("Failed to read field {0}/{1}, type {3} ({2})", i, ttype.Fields.Count, x.Message, instance.Info.TypeName));
}
}
DBRow result = new DBRow(ttype, entry);
return(result);
}
/**
* <summary>Checks whether this DBFile contains a <see cref="DBRow"/> with equivalent data to a given DBRow.</summary>
*
* <param name="checkRow">The <see cref="DBRow"/> to be compared to this DBFile's rows.</param>
* <returns>Whether the DBFile contains a DBRow with equivalent data to <paramref name="checkRow"/>.</returns>
*/
public bool ContainsRow(DBRow checkRow)
{
foreach (DBRow row in Entries)
{
if (row.SameData(checkRow))
{
return(true);
}
}
return(false);
}
/**
* <summary>Checks whether this DBRow has equivalent data to <paramref name="row"/>.</summary>
* <remarks>This returns true if the data is equivalent even if the schemas aren't. e.g.: A string with the same contents as a string_ascii will still allow this to evaluate to true instead of forcing a false value.</remarks>
*
* <param name="row">The DBRow for this row to be compared to.</param>
* <returns>Whether the two DBRows have equivalent data.</returns>
*/
public bool SameData(DBRow row)
{
if (Count != row.Count)
{
return(false);
}
for (int i = 0; i < Count; ++i)
{
if (!this[i].Value.Equals(row[i].Value))
{
return(false);
}
}
return(true);
}