/// <summary>
/// 创建平行字段
/// </summary>
/// <param name="field">要创建平行字段的，包含汉字字符串的源字段</param>
/// <param name="bTo880">将 field 字段名转为 880</param>
/// <param name="getPinyin">获得拼音的函数地址</param>
/// <param name="strError">返回出错信息</param>
/// <returns>-1: 出错; 0: 成功; 1: field 不是中文的字段($6表示)，无法创建平行字段</returns>
public static int CreateParallelField(MarcField field,
bool bTo880,
Delegate_getPinyin getPinyin,
out string strError)
{
strError = "";
if (field.ChildNodes.count == 0)
{
return(1);
}
MarcRecord record = (MarcRecord)field.Parent;
MarcField main_field = null;
string strFieldName = "";
string strNumber = "";
string strScriptId = "";
string strOrientation = "";
// 观察平行字段是否已经存在?
string content_6 = field.select("subfield[@name='6']").FirstContent;
if (string.IsNullOrEmpty(content_6) == false)
{
// 拆解 $6 内容
_parseSubfield6(content_6,
out strFieldName,
out strNumber,
out strScriptId,
out strOrientation);
if (string.IsNullOrEmpty(strScriptId) == true)
{
strError = "field 的 $6 表明不是中文的字段，无法创建平行字段";
return(1);
}
// 找到关联的字段
main_field = _findField(record,
strFieldName,
field.Name,
strNumber);
}
bool bNewField = false;
if (main_field == null)
{
string strMainFieldName = field.Name;
if (field.Name == "880")
{
// 只能靠 $6 中 linking tag
if (string.IsNullOrEmpty(strFieldName) == true)
{
strError = "当前字段为 880 字段，但没有 $6 子字段，无法获得对应的字段名，因此函数调用失败";
return(-1);
}
strMainFieldName = strFieldName;
}
main_field = new MarcField(strMainFieldName,
field.Indicator,
"");
if (field.Name != "880")
{
field.before(main_field);
}
else
{
record.ChildNodes.insertSequence(main_field,
InsertSequenceStyle.PreferTail);
}
bNewField = true;
}
else
{
// 内容全部删除。只是占用原有位置
main_field.Content = "";
main_field.Indicator = field.Indicator;
}
if (string.IsNullOrEmpty(strNumber) == true)
{
strNumber = _getNewNumber(record);
}
{
// $6
MarcSubfield subfield_6 = new MarcSubfield("6",
_buildSubfield6(bTo880 == true ? "880" : field.Name,
strNumber, "", strOrientation)
);
main_field.ChildNodes.add(subfield_6);
}
int nHanziCount = 0;
List <MarcSubfield> remove_subfields = new List <MarcSubfield>();
// 其余子字段逐个加入
foreach (MarcSubfield subfield in field.ChildNodes)
{
if (subfield.Name == "6")
{
continue;
}
// 2014/10/20
if (subfield.Name == "9" ||
char.IsUpper(subfield.Name[0]) == true)
{
remove_subfields.Add(subfield);
continue;
}
string strPinyin = getPinyin(subfield.Content, out strError);
if (strPinyin == null)
{
strError = "创建拼音的过程出错: " + strError;
return(-1);
}
if (strPinyin != subfield.Content)
{
nHanziCount++;
}
main_field.ChildNodes.add(new MarcSubfield(subfield.Name, strPinyin));
}
// 2014/10/20
if (remove_subfields.Count > 0)
{
foreach (MarcSubfield subfield in remove_subfields)
{
subfield.detach();
}
}
if (nHanziCount == 0 && bNewField == true)
{
main_field.detach();
return(1);
}
// 当前字段加入 $6
{
if (string.IsNullOrEmpty(strScriptId) == true)
{
strScriptId = "$1";
}
MarcSubfield subfield_6 = null;
MarcNodeList temp = field.select("subfield[@name='6']");
if (temp.count > 0)
{
subfield_6 = temp[0] as MarcSubfield;
subfield_6.Content = _buildSubfield6(main_field.Name, strNumber, strScriptId, strOrientation);
}
else
{
subfield_6 = new MarcSubfield("6",
_buildSubfield6(main_field.Name, strNumber, strScriptId, strOrientation)
);
field.ChildNodes.insert(0, subfield_6);
}
}
if (bTo880)
{
field.Name = "880";
}
return(0);
}
/// <summary>
/// 创建平行字段
/// </summary>
/// <param name="field">要创建平行字段的，包含汉字字符串的源字段</param>
/// <param name="bTo880">将 field 字段名转为 880</param>
/// <param name="getPinyin">获得拼音的函数地址</param>
/// <param name="strError">返回出错信息</param>
/// <returns>-1: 出错; 0: 成功; 1: field 不是中文的字段($6表示)，无法创建平行字段</returns>
public static int CreateParallelField(MarcField field,
bool bTo880,
Delegate_getPinyin getPinyin,
out string strError)
{
strError = "";
if (field.ChildNodes.count == 0)
return 1;
MarcRecord record = (MarcRecord)field.Parent;
MarcField main_field = null;
string strFieldName = "";
string strNumber = "";
string strScriptId = "";
string strOrientation = "";
// 观察平行字段是否已经存在?
string content_6 = field.select("subfield[@name='6']").FirstContent;
if (string.IsNullOrEmpty(content_6) == false)
{
// 拆解 $6 内容
_parseSubfield6(content_6,
out strFieldName,
out strNumber,
out strScriptId,
out strOrientation);
if (string.IsNullOrEmpty(strScriptId) == true)
{
strError = "field 的 $6 表明不是中文的字段，无法创建平行字段";
return 1;
}
// 找到关联的字段
main_field = _findField(record,
strFieldName,
field.Name,
strNumber);
}
bool bNewField = false;
if (main_field == null)
{
string strMainFieldName = field.Name;
if (field.Name == "880")
{
// 只能靠 $6 中 linking tag
if (string.IsNullOrEmpty(strFieldName) == true)
{
strError = "当前字段为 880 字段，但没有 $6 子字段，无法获得对应的字段名，因此函数调用失败";
return -1;
}
strMainFieldName = strFieldName;
}
main_field = new MarcField(strMainFieldName,
field.Indicator,
"");
if (field.Name != "880")
field.before(main_field);
else
record.ChildNodes.insertSequence(main_field,
InsertSequenceStyle.PreferTail);
bNewField = true;
}
else
{
// 内容全部删除。只是占用原有位置
main_field.Content = "";
main_field.Indicator = field.Indicator;
}
if (string.IsNullOrEmpty(strNumber) == true)
strNumber = _getNewNumber(record);
{
// $6
MarcSubfield subfield_6 = new MarcSubfield("6",
_buildSubfield6(bTo880 == true? "880" : field.Name,
strNumber, "", strOrientation)
);
main_field.ChildNodes.add(subfield_6);
}
int nHanziCount = 0;
List<MarcSubfield> remove_subfields = new List<MarcSubfield>();
// 其余子字段逐个加入
foreach (MarcSubfield subfield in field.ChildNodes)
{
if (subfield.Name == "6")
continue;
// 2014/10/20
if (subfield.Name == "9"
|| char.IsUpper(subfield.Name[0]) == true)
{
remove_subfields.Add(subfield);
continue;
}
string strPinyin = getPinyin(subfield.Content, out strError);
if (strPinyin == null)
{
strError = "创建拼音的过程出错: " + strError;
return -1;
}
if (strPinyin != subfield.Content)
nHanziCount++;
main_field.ChildNodes.add(new MarcSubfield(subfield.Name, strPinyin));
}
// 2014/10/20
if (remove_subfields.Count > 0)
{
foreach (MarcSubfield subfield in remove_subfields)
{
subfield.detach();
}
}
if (nHanziCount == 0 && bNewField == true)
{
main_field.detach();
return 1;
}
// 当前字段加入 $6
{
if (string.IsNullOrEmpty(strScriptId) == true)
strScriptId = "$1";
MarcSubfield subfield_6 = null;
MarcNodeList temp = field.select("subfield[@name='6']");
if (temp.count > 0)
{
subfield_6 = temp[0] as MarcSubfield;
subfield_6.Content = _buildSubfield6(main_field.Name, strNumber, strScriptId, strOrientation);
}
else
{
subfield_6 = new MarcSubfield("6",
_buildSubfield6(main_field.Name, strNumber, strScriptId, strOrientation)
);
field.ChildNodes.insert(0, subfield_6);
}
}
if (bTo880)
{
field.Name = "880";
}
return 0;
}