// return:
// 0 成功
// -1 出错
public int WriteRecord(
string[] saField,
out string strError)
{
string strFieldName = null;
// int nRet;
strError = "";
// long lStart = writer.BaseStream.Position;
// Debug.Assert(writer.BaseStream.CanSeek == true, "writer.BaseStream.CanSeek != true");
//根据WriteMarcPrefix的值，确定是否对元素record加命名空间
if (WriteMarcPrefix == false)
{
_writer.WriteStartElement("record");
}
else
{
_writer.WriteStartElement(MarcPrefix,
"record", MarcNameSpaceUri);
}
if (String.IsNullOrEmpty(_writer.LookupPrefix("dprms")) == true)
{
// dprms名字空间 2010/11/15
_writer.WriteAttributeString("xmlns", "dprms", null, DpNs.dprms);
}
//循环，写头标区及每个子段
for (int i = 0; i < saField.Length; i++)
{
string strLine = saField[i];
string strInd1 = null;
string strInd2 = null;
string strContent = null;
// 头标区
if (i == 0)
{
// 多截少添
if (strLine.Length > 24)
{
strLine = strLine.Substring(0, 24);
}
else
{
while (strLine.Length < 24)
{
strLine += " ";
}
}
if (WriteMarcPrefix == false)
{
_writer.WriteElementString("leader", strLine);
}
else
{
_writer.WriteElementString("leader", MarcNameSpaceUri, strLine);
}
continue;
}
Debug.Assert(strLine != null, "");
// 不合法的字段,不算数
if (strLine.Length < 3)
{
continue;
}
strFieldName = strLine.Substring(0, 3);
if (strLine.Length >= 3)
{
strContent = strLine.Substring(3);
}
else
{
strContent = "";
}
// control field 001-009 没有子字段
/*
* if ( (String.Compare(strFieldName, "001") >= 0
* && String.Compare(strFieldName, "009") <= 0 )
|| String.Compare(strFieldName, "-01") == 0)
* */
if (MarcUtil.IsControlFieldName(strFieldName) == true)
{
if (WriteMarcPrefix == false)
{
_writer.WriteStartElement("controlfield");
}
else
{
_writer.WriteStartElement(MarcPrefix,
"controlfield", MarcNameSpaceUri);
}
_writer.WriteAttributeString("tag", strFieldName);
_writer.WriteString(strContent);
_writer.WriteEndElement();
continue;
}
if (strLine.Length == 3)
{
strInd1 = " ";
strInd2 = " ";
strContent = "";
}
//字段长度等于4的情况,这样做是为了防止越界
else if (strLine.Length == 4)
{
strInd1 = strContent[0].ToString();
strInd2 = " ";
strContent = "";
}
else
{
strInd1 = strContent[0].ToString();
strInd2 = strContent[1].ToString();
strContent = strContent.Substring(2);
}
// 普通字段
if (WriteMarcPrefix == false)
{
_writer.WriteStartElement("datafield");
}
else
{
_writer.WriteStartElement(MarcPrefix,
"datafield", MarcNameSpaceUri);
}
_writer.WriteAttributeString("tag", strFieldName);
_writer.WriteAttributeString("ind1", strInd1);
_writer.WriteAttributeString("ind2", strInd2);
// 得到子字段数组
string[] aSubfield = strContent.Split(new char[] { (char)31 });
if (aSubfield == null)
{
// 不太可能发生
continue;
}
// 循环写子字段
for (int j = 0; j < aSubfield.Length; j++)
{
string strValue = aSubfield[j];
string strSubfieldName = "";
string strSubfieldContent = "";
if (j == 0)
{
// 第一个空字符串要被跳过。其余的，将来返还时会用来产生一个单独的 31 字符
if (string.IsNullOrEmpty(aSubfield[0]) == true)
{
continue;
}
strSubfieldName = null; // 表示后面不要创建code属性
strSubfieldContent = strValue;
}
else
{
if (string.IsNullOrEmpty(strValue) == false)
{
strSubfieldName = strValue.Substring(0, 1);
}
if (string.IsNullOrEmpty(strValue) == false)
{
strSubfieldContent = strValue.Substring(1);
}
}
if (WriteMarcPrefix == false)
{
_writer.WriteStartElement("subfield");
}
else
{
_writer.WriteStartElement(MarcPrefix,
"subfield", MarcNameSpaceUri);
}
if (strSubfieldName != null)
{
_writer.WriteAttributeString("code", strSubfieldName);
}
_writer.WriteString(strSubfieldContent); //注意这里是否有越界的危险
_writer.WriteEndElement();
}
_writer.WriteEndElement();
}
_writer.WriteEndElement();
return(0);
}
// 创建一个字段的 HTML 局部 三个 <td>
static string BuildFieldHtml(
ChangeType type,
string strField,
bool bSubfieldReturn = false)
{
if (string.IsNullOrEmpty(strField) == true)
{
return("\r\n<td class='content' colspan='3'></td>");
}
string strLineClass = "";
string strFieldName = "";
string strIndicatior = "";
string strContent = "";
// 取字段名
if (strField.Length < 3)
{
strFieldName = strField;
strField = "";
}
else
{
strFieldName = strField.Substring(0, 3);
strField = strField.Substring(3);
}
// 取指示符
if (MarcUtil.IsControlFieldName(strFieldName) == true)
{
strLineClass = "controlfield";
strField = strField.Replace(' ', '_');
}
else
{
if (strField.Length < 2)
{
strIndicatior = strField;
strField = "";
}
else
{
strIndicatior = strField.Substring(0, 2);
strField = strField.Substring(2);
}
strIndicatior = strIndicatior.Replace(' ', '_');
strLineClass = "datafield";
// 1XX字段有定长内容
if (strFieldName.Length >= 1 && strFieldName[0] == '1')
{
strField = strField.Replace(' ', '_');
strLineClass += " fixedlengthsubfield";
}
}
strContent = MarcUtil.GetHtmlFieldContent(strField,
bSubfieldReturn);
string strTypeClass = "";
if (type == ChangeType.Modified)
{
strTypeClass = " modified";
}
else if (type == ChangeType.Inserted)
{
strTypeClass = " inserted";
}
else if (type == ChangeType.Deleted)
{
strTypeClass = " deleted";
}
else if (type == ChangeType.Imaginary)
{
strTypeClass = " imaginary";
}
else if (type == ChangeType.Unchanged)
{
strTypeClass = " unchanged";
}
//
return("\r\n<td class='fieldname" + strTypeClass + "'>" + strFieldName + "</td>"
+ "<td class='indicator" + strTypeClass + "'>" + strIndicatior + "</td>"
+ "<td class='content" + strTypeClass + "'>" + strContent + "</td>");
}