/// <inheritdoc cref="IReadOnly{T}.AsReadOnly" />
public RecordFieldCollection AsReadOnly()
{
RecordFieldCollection result = Clone();
result.SetReadOnly();
return(result);
}
public RecordFieldCollection Clone()
{
RecordFieldCollection result = new RecordFieldCollection
{
_record = Record
};
foreach (RecordField field in this)
{
RecordField clone = field.Clone();
clone.Record = Record;
result.Add(clone);
}
return(result);
}
/// <summary>
/// Нет ни одного поля с указанным тегом?
/// </summary>
public static bool HaveNotField
(
this MarcRecord record,
int tag
)
{
RecordFieldCollection fields = record.Fields;
for (int i = 0; i < fields.Count; i++)
{
if (fields[i].Tag == tag)
{
return(false);
}
}
return(true);
}
/// <summary>
/// Нет ни одного поля с указанными тегами?
/// </summary>
public static bool HaveNotField
(
this MarcRecord record,
params int[] tags
)
{
RecordFieldCollection fields = record.Fields;
for (int i = 0; i < fields.Count; i++)
{
if (fields[i].Tag.OneOf(tags))
{
return(false);
}
}
return(true);
}