/// <summary>
/// 将 USMARC 记录从 880 模式转换为 平行模式
/// </summary>
/// <param name="record">要处理的记录</param>
public static void ToParallel(MarcRecord record)
{
// 选定全部 880 字段
MarcNodeList fields = record.select("field[@name='880']");
if (fields.count == 0)
{
return;
}
foreach (MarcField field in fields)
{
string content_6 = field.select("subfield[@name='6']").FirstContent;
if (string.IsNullOrEmpty(content_6) == true)
{
continue;
}
// 拆解 $6 内容
string strFieldName = "";
string strNumber = "";
string strScriptId = "";
string strOrientation = "";
_parseSubfield6(content_6,
out strFieldName,
out strNumber,
out strScriptId,
out strOrientation);
if (string.IsNullOrEmpty(strScriptId) == true)
{
// 修正 $6 // 例子 ISBN 9789860139976
strScriptId = "$1";
field.select("subfield[@name='6']").Content = _buildSubfield6(strFieldName, strNumber, strScriptId, strOrientation);
}
// 找到关联的字段
MarcField main_field = _findField(record,
strFieldName,
field.Name,
strNumber);
if (main_field != null)
{
// 创建一个新的字段，把 880 字段内容复制过去
MarcField new_field = new MarcField(strFieldName,
field.Indicator, field.Content);
// 新字段插入到关联字段后面
main_field.after(new_field);
// 删除 880 字段
field.detach();
main_field.select("subfield[@name='6']").Content = _buildSubfield6(strFieldName, strNumber, "", "");
}
else
{
// 找不到关联的字段，把 880 字段的字段名修改了即可
field.Name = strFieldName;
}
}
}
