public static MarcRecord SetSubField
(
[NotNull] this MarcRecord record,
int tag,
int fieldOccurrence,
char code,
int subFieldOccurrence,
[CanBeNull] string newValue
)
{
Sure.NotNull(record, "record");
Sure.Positive(tag, "tag");
RecordField field = record.Fields.GetField(tag, fieldOccurrence);
if (!ReferenceEquals(field, null))
{
SubField subField = field.GetSubField(code, subFieldOccurrence);
if (!ReferenceEquals(subField, null))
{
subField.Value = newValue;
}
}
return(record);
}
public static string GetSubFieldValue
(
[CanBeNull] this SubField subField
)
{
return(ReferenceEquals(subField, null)
? null
: subField.Value);
}
/// <summary>
/// Restore subfield from JSON.
/// </summary>
public static SubField FromJson
(
[NotNull] string text
)
{
Sure.NotNullNorEmpty(text, "text");
SubField result = JsonConvert.DeserializeObject <SubField>(text);
return(result);
}
public static JObject ToJObject
(
[NotNull] this SubField subField
)
{
Sure.NotNull(subField, "subField");
JObject result = JObject.FromObject(subField);
return(result);
}
public static string ToJson
(
[NotNull] this SubField subField
)
{
Sure.NotNull(subField, "subField");
string result = JsonUtility.SerializeShort(subField);
//JObject.FromObject(subField).ToString();
return(result);
}
public Field Add
(
char code,
object?value
)
{
var text = value?.ToString();
var subfield = new SubField {
Code = code, Value = text
};
Subfields.Add(subfield);
return(this);
} // method Add
public static SubField FromJObject
(
[NotNull] JObject jObject
)
{
Sure.NotNull(jObject, "jObject");
SubField result = new SubField
(
jObject["code"].ToString()[0]
);
JToken value = jObject["value"];
if (value != null)
{
result.Value = value.ToString();
}
return(result);
}
public Field AddNonEmpty
(
char code,
object?value
)
{
if (!ReferenceEquals(value, null))
{
var text = value.ToString();
if (!string.IsNullOrEmpty(text))
{
var subfield = new SubField {
Code = code, Value = text
};
Subfields.Add(subfield);
}
}
return(this);
} // method AddNonEmpty
public static SubField GetFirstSubField
(
[NotNull] this SubFieldCollection subFields,
char code,
[CanBeNull] string value
)
{
Sure.NotNull(subFields, "subFields");
int count = subFields.Count;
for (int i = 0; i < count; i++)
{
SubField subField = subFields[i];
if (subField.Code.SameChar(code) &&
subField.Value.SameStringSensitive(value))
{
return(subField);
}
}
return(null);
}
