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IsbnConverInfo.cs
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using System;
using System.Collections.Generic;
using System.Text;
using DigitalPlatform.Core;
using DigitalPlatform.Net;
using DigitalPlatform.Script;
using DigitalPlatform.Text;
// using DigitalPlatform.Text;
namespace DigitalPlatform.Z3950
{
// ISBN 实用转换工具类
public class IsbnConvertInfo
{
public IsbnSplitter IsbnSplitter = null;
public string ConvertStyle = ""; // force13 force10 addhyphen removehyphen wild
#if NO
// return:
// -1 出错
// 0 没有必要转换
// 1 已经转换
public int ConvertISBN(ref string strISBN,
out string strError)
{
strError = "";
if (string.IsNullOrEmpty(this.ConvertStyle) == true)
return 0;
bool bForce13 = StringUtil.IsInList("force13", this.ConvertStyle);
bool bForce10 = StringUtil.IsInList("force10", this.ConvertStyle);
bool bAddHyphen = StringUtil.IsInList("addhyphen", this.ConvertStyle);
bool bRemoveHyphen = StringUtil.IsInList("removehyphen", this.ConvertStyle);
int nRet = 0;
string strStyle = "remainverifychar";
if (bAddHyphen == true)
{
if (bForce10 == false && bForce13 == false)
strStyle += ",auto";
else if (bForce13 == true)
strStyle += ",force13";
else if (bForce10 == true)
strStyle += ",force10";
else
{
strError = "force10和force13不应同时具备";
return -1;
}
string strTarget = "";
nRet = this.IsbnSplitter.IsbnInsertHyphen(
strISBN,
strStyle,
out strTarget,
out strError);
if (nRet == -1)
return -1;
strISBN = strTarget;
return 1;
}
if (bRemoveHyphen == true)
{
if (bForce10 == false && bForce13 == false)
{
strISBN = strISBN.Replace("-", "");
return 1;
}
else if (bForce13 == true)
strStyle += ",force13";
else if (bForce10 == true)
strStyle += ",force10";
else
{
strError = "force10和force13不应同时具备";
return -1;
}
string strTarget = "";
nRet = this.IsbnSplitter.IsbnInsertHyphen(
strISBN,
strStyle,
out strTarget,
out strError);
if (nRet == -1)
return -1;
strISBN = strTarget.Replace("-", "");
return 1;
}
return 0;
}
#endif
// 对 ISBN 执行转换。转换的结果可能会把一个 ISBN 拆散为多个 ISBN
// result.Value:
// -1 出错
// 0 没有必要转换
// 1 已经转换
public Result ConvertISBN(string strISBN,
out List<string> isbns)
{
isbns = new List<string>();
if (string.IsNullOrEmpty(this.ConvertStyle) == true)
{
isbns.Add(strISBN);
return new Result();
}
bool bForce13 = StringUtil.IsInList("force13", this.ConvertStyle);
bool bForce10 = StringUtil.IsInList("force10", this.ConvertStyle);
bool bAddHyphen = StringUtil.IsInList("addhyphen", this.ConvertStyle);
bool bRemoveHyphen = StringUtil.IsInList("removehyphen", this.ConvertStyle);
bool bWildMatch = StringUtil.IsInList("wild", this.ConvertStyle);
int nRet = 0;
if (bWildMatch == true)
{
List<string> styles = new List<string>();
styles.Add("remainverifychar,auto");
styles.Add("remainverifychar,force13");
styles.Add("remainverifychar,force10");
foreach (string style in styles)
{
nRet = this.IsbnSplitter.IsbnInsertHyphen(
strISBN,
style,
out string strTarget,
out string strError);
if (nRet == -1)
continue;
isbns.Add(strTarget);
}
isbns.Add(strISBN); // 最原始的
styles = new List<string>();
styles.Add("remainverifychar,force13");
styles.Add("remainverifychar,force10");
foreach (string style in styles)
{
nRet = this.IsbnSplitter.IsbnInsertHyphen(
strISBN,
style,
out string strTarget,
out string strError);
if (nRet == -1)
continue;
isbns.Add(strTarget.Replace("-", ""));
}
isbns.Add(strISBN.Replace("-", "")); // 最原始的去掉横线的
// TODO: 是否要增加10位13位去掉校验位的，然后指明前方一致的?
StringUtil.RemoveDupNoSort(ref isbns);
return new Result { Value = 1 };
}
string strStyle = "remainverifychar";
// 如果 bAddHyphen 和 bRemoveHyphen 都没有勾选，那么需要看字符串里面本来是否有横杠，有就保留，没有也不要加入
if (bAddHyphen == false && bRemoveHyphen == false
&& (bForce13 == true || bForce10 == true))
{
if (strISBN.IndexOf("-") == -1)
bRemoveHyphen = true;
else
bAddHyphen = true;
}
if (bAddHyphen == true)
{
if (bForce10 == false && bForce13 == false)
strStyle += ",auto";
else if (bForce13 == true)
strStyle += ",force13";
else if (bForce10 == true)
strStyle += ",force10";
else
{
return new Result { Value = -1, ErrorInfo = "force10和force13不应同时具备" };
}
nRet = this.IsbnSplitter.IsbnInsertHyphen(
strISBN,
strStyle,
out string strTarget,
out string strError);
if (nRet == -1)
return new Result { Value = -1, ErrorInfo = strError };
isbns.Add(strTarget);
return new Result { Value = 1 };
}
if (bRemoveHyphen == true)
{
if (bForce10 == false && bForce13 == false)
{
strISBN = strISBN.Replace("-", "");
return new Result { Value = 1 };
}
else if (bForce13 == true)
strStyle += ",force13";
else if (bForce10 == true)
strStyle += ",force10";
else
{
return new Result { Value = -1, ErrorInfo = "force10和force13不应同时具备" };
}
nRet = this.IsbnSplitter.IsbnInsertHyphen(
strISBN,
strStyle,
out string strTarget,
out string strError);
if (nRet == -1)
return new Result { Value = -1, ErrorInfo = strError };
isbns.Add(strTarget.Replace("-", ""));
return new Result { Value = 1 };
}
if (isbns.Count == 0)
isbns.Add(strISBN);
return new Result();
}
// result.Value:
// -1 出错
// 0 没有必要转换
// 1 已经转换
public Result ConvertISSN(string strISSN,
out List<string> issns)
{
issns = new List<string>();
if (string.IsNullOrEmpty(this.ConvertStyle) == true)
{
issns.Add(strISSN);
return new Result();
}
// ISSN，强制转换为 8 数字形态 xxxx-xxxx
bool bForce8 = StringUtil.IsInList("force8", this.ConvertStyle);
int nRet = 0;
if (bForce8)
{
// return:
// -1:出错;
// 0:未修改校验位;
// 1:修改了校验位
nRet = IsbnSplitter.IssnInsertHyphen(
strISSN,
"force8",
out string strTarget,
out string strError);
if (nRet == -1)
return new Result { Value = -1, ErrorInfo = strError };
issns.Add(strTarget);
return new Result { Value = nRet, ErrorInfo = strError };
}
if (issns.Count == 0)
issns.Add(strISSN);
return new Result();
}
}
}