/// <summary>
/// 创建一个新的 MarcSubfield 节点对象，从当前对象复制出全部内容
/// </summary>
/// <returns>新的节点对象</returns>
public override MarcNode clone()
{
MarcNode new_node = new MarcSubfield();
new_node.Text = this.Text;
new_node.Parent = null; // 尚未和任何对象连接
return(new_node);
}
static void ResetPunctuation(MarcSubfield subfield,
string strPunctuation,
string strTailPunctuation)
{
bool bTrimed = false;
// 添加本身的符号
if (string.IsNullOrEmpty(strPunctuation) == false)
{
string content = TrimStartEndChar(subfield.Content);
bTrimed = true;
if (strPunctuation.Length == 1)
{
subfield.Content = strPunctuation + content;
}
else if (strPunctuation.Length == 2)
{
subfield.Content = strPunctuation[0] + content + strPunctuation[1];
}
}
// 添加尾部符号
{
string content = null;
if (bTrimed == false)
{
content = TrimEndChar(subfield.Content);
}
else
{
content = subfield.Content;
}
if (string.IsNullOrEmpty(strTailPunctuation))
{
subfield.Content = content;
return;
}
subfield.Content = content + AddBlank(strTailPunctuation);
return;
}
}
/// <summary>
/// 创建一个新的 MarcSubfield 节点对象，从当前对象复制出全部内容
/// </summary>
/// <returns>新的节点对象</returns>
public override MarcNode clone()
{
MarcNode new_node = new MarcSubfield();
new_node.Text = this.Text;
new_node.Parent = null; // 尚未和任何对象连接
return new_node;
}
// fangbian diaoyong
/// <summary>
/// 在下级节点末尾追加一个子字段节点
/// </summary>
/// <param name="subfield">字段节点</param>
public void add(MarcSubfield subfield)
{
this.ChildNodes.add(subfield);
}
public string GetMarc()
{
MarcRecord record = new MarcRecord(this._header);
MarcField current_field_node = null;
foreach (EasyLine line in this.Items)
{
if (line is FieldLine)
{
FieldLine field = line as FieldLine;
MarcField field_node = null;
if (field.IsControlField == true)
field_node = new MarcField(field.Name, "", field.Content);
else
field_node = new MarcField(field.Name, field.Indicator, "");
record.ChildNodes.add(field_node);
current_field_node = field_node;
}
else if (line is SubfieldLine)
{
SubfieldLine subfield = line as SubfieldLine;
MarcSubfield subfield_node = new MarcSubfield(subfield.Name, subfield.Content);
current_field_node.ChildNodes.add(subfield_node);
}
}
return record.Text;
}
/// <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);
}
// 根据机内格式的片断字符串，构造若干MarcSubfield对象
// parameters:
// parent 要赋给新创建的MarcSubfield对象的Parent值
// strLeadingString [out] 第一个 31 字符以前的文本部分
/// <summary>
/// 根据机内格式 MARC 字符串，创建若干 MarcSubfield 对象
/// </summary>
/// <param name="strText">MARC 机内格式字符串</param>
/// <param name="strLeadingString">返回前导部分字符串。也就是 strText 中第一个子字段符号以前的部分</param>
/// <returns>新创建的 MarcSubfield 对象集合</returns>
public static MarcNodeList createSubfields(
string strText,
out string strLeadingString)
{
strLeadingString = "";
MarcNodeList results = new MarcNodeList();
List <string> segments = new List <string>();
StringBuilder prefix = new StringBuilder(); // 第一个 31 出现以前的一段文字
StringBuilder segment = new StringBuilder(); // 正在追加的内容段落
for (int i = 0; i < strText.Length; i++)
{
char ch = strText[i];
if (ch == 31)
{
// 如果先前有累积的，推走
if (segment.Length > 0)
{
segments.Add(segment.ToString());
segment.Clear();
}
segment.Append(ch);
}
else
{
if (segment.Length > 0 || segments.Count > 0)
{
segment.Append(ch);
}
else
{
prefix.Append(ch);// 第一个子字段符号以前的内容放在这里
}
}
}
if (segment.Length > 0)
{
segments.Add(segment.ToString());
segment.Clear();
}
if (prefix.Length > 0)
{
strLeadingString = prefix.ToString();
}
foreach (string s in segments)
{
MarcSubfield subfield = new MarcSubfield();
if (s.Length < 2)
{
subfield.Text = MarcQuery.SUBFLD + "?"; // TODO: 或者可以忽略?
}
else
{
subfield.Text = s;
}
results.add(subfield);
// Debug.Assert(subfield.Parent == parent, "");
}
return(results);
}
// 给 MARC21 记录中 245 字段内的子字段添加正确的标点符号
/// <summary>
/// 给 MARC21 记录中 245 字段内的子字段添加正确的标点符号
/// </summary>
/// <param name="field">MARC 字段</param>
/// <param name="strStyle">风格</param>
/// <returns>记录是否发生了修改</returns>
public static bool PunctuationMarc21Field245(MarcField field, string strStyle)
{
List <SubfieldInfo> infos = new List <SubfieldInfo>();
foreach (MarcSubfield subfield in field.ChildNodes)
{
SubfieldInfo info = new SubfieldInfo();
info.Subfield = subfield;
infos.Add(info);
}
// 添加标点符号
// $a题名 (不可重复)
// $b题名其余部分 空: (少数情况;)
// $c责任者说明 空/
// $f首尾日期 ,
// $g主体日期(集中出版日期) 自己()
// $h载体 自己[]
// $k资料形式 空:
// $n著作分卷/分节号 .
// $p著作分卷/分节题名 (在$a$b或者另一个$p后，就是 .。跟在 $n 后面就是 ,)
// $s版本 .
// 最后一个子字段尾部要加入一个 .
{
MarcSubfield prev_field = null;
foreach (SubfieldInfo info in infos)
{
switch (info.Subfield.Name)
{
case "a":
if (prev_field != null)
{
info.LeadingPunctuation = " ";
}
break;
case "b":
// 注：如果前一个子字段末尾是 ';'，则用 ';'
info.LeadingPunctuation = ":";
break;
case "c":
info.LeadingPunctuation = "/";
break;
case "f":
info.LeadingPunctuation = ",";
break;
case "g":
info.Punctuation = "()";
break;
case "h":
info.Punctuation = "[]";
break;
case "k":
info.LeadingPunctuation = ":";
break;
case "n":
info.LeadingPunctuation = ".";
break;
case "p":
if (prev_field != null && prev_field.Name == "n")
{
info.LeadingPunctuation = ",";
}
else
{
info.LeadingPunctuation = ".";
}
break;
case "s":
info.LeadingPunctuation = ".";
break;
}
prev_field = info.Subfield;
}
}
string strOld = field.Content;
{
SubfieldInfo prev_info = null;
foreach (SubfieldInfo info in infos)
{
if (prev_info != null)
{
ResetPunctuation(prev_info.Subfield, prev_info.Punctuation, info.LeadingPunctuation);
}
prev_info = info;
}
// 最后一个子字段加上尾部符号 .
if (string.IsNullOrEmpty(prev_info.Subfield.Content) == true ||
prev_info.Subfield.Content[prev_info.Subfield.Content.Length - 1] != '.')
{
prev_info.Subfield.Content += ".";
}
}
if (strOld != field.Content)
{
return(true);
}
return(false);
}
/// <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;
}
// 根据机内格式的片断字符串，构造若干MarcSubfield对象
// parameters:
// parent 要赋给新创建的MarcSubfield对象的Parent值
// strLeadingString [out] 第一个 31 字符以前的文本部分
/// <summary>
/// 根据机内格式 MARC 字符串，创建若干 MarcSubfield 对象
/// </summary>
/// <param name="strText">MARC 机内格式字符串</param>
/// <param name="strLeadingString">返回前导部分字符串。也就是 strText 中第一个子字段符号以前的部分</param>
/// <returns>新创建的 MarcSubfield 对象集合</returns>
public static MarcNodeList createSubfields(
string strText,
out string strLeadingString)
{
strLeadingString = "";
MarcNodeList results = new MarcNodeList();
List<string> segments = new List<string>();
StringBuilder prefix = new StringBuilder(); // 第一个 31 出现以前的一段文字
StringBuilder segment = new StringBuilder(); // 正在追加的内容段落
for (int i = 0; i < strText.Length; i++)
{
char ch = strText[i];
if (ch == 31)
{
// 如果先前有累积的，推走
if (segment.Length > 0)
{
segments.Add(segment.ToString());
segment.Clear();
}
segment.Append(ch);
}
else
{
if (segment.Length > 0 || segments.Count > 0)
segment.Append(ch);
else
prefix.Append(ch);// 第一个子字段符号以前的内容放在这里
}
}
if (segment.Length > 0)
{
segments.Add(segment.ToString());
segment.Clear();
}
if (prefix.Length > 0)
strLeadingString = prefix.ToString();
foreach (string s in segments)
{
MarcSubfield subfield = new MarcSubfield();
if (s.Length < 2)
subfield.Text = MarcQuery.SUBFLD + "?"; // TODO: 或者可以忽略?
else
subfield.Text = s;
results.add(subfield);
// Debug.Assert(subfield.Parent == parent, "");
}
return results;
}
// fangbian diaoyong
/// <summary>
/// 在下级节点末尾追加一个子字段节点
/// </summary>
/// <param name="subfield">字段节点</param>
public void add(MarcSubfield subfield)
{
this.ChildNodes.add(subfield);
}