// 解析当年期号、总期号、卷号的字符串
public static void ParseItemVolumeString(string strVolumeString,
out string strIssue,
out string strZong,
out string strVolume)
{
strIssue = "";
strZong = "";
strVolume = "";
string[] segments = strVolumeString.Split(new char[] { ';', ',', '=', '；', '，', '＝' }); // ',','='为2010/2/24新增
for (int i = 0; i < segments.Length; i++)
{
string strSegment = segments[i].Trim();
if (StringUtil.HasHead(strSegment, "no.") == true)
{
strIssue = strSegment.Substring(3).Trim();
}
else if (StringUtil.HasHead(strSegment, "总.") == true)
{
strZong = strSegment.Substring(2).Trim();
}
else if (StringUtil.HasHead(strSegment, "v.") == true)
{
strVolume = strSegment.Substring(2).Trim();
}
}
}
/*
* // 构造表达一个册所在的当年期号、总期号、卷号的字符串
* public static string BuildItemVolumeString(string strIssue,
* string strZong,
* string strVolume)
* {
* string strResult = "";
* if (String.IsNullOrEmpty(strIssue) == false)
* strResult += "no." + strIssue;
*
* if (String.IsNullOrEmpty(strZong) == false)
* {
* if (strResult != "")
* strResult += ", ";
* strResult += "总." + strZong;
* }
*
* if (String.IsNullOrEmpty(strVolume) == false)
* {
* if (strResult != "")
* strResult += ", ";
* strResult += "v." + strVolume;
* }
*
* return strResult;
* }
* */
// 解析no.序列
public static int ExpandNoString(string strText,
string strDefaultYear,
out List <VolumeInfo> infos,
out string strError)
{
strError = "";
infos = new List <VolumeInfo>();
string strCurrentYear = strDefaultYear;
string[] no_parts = strText.Split(new char[] { ',', ':', ';', '，', '：', '；' }); // ':' ';' 是为了兼容某个阶段的临时用法 2001:no.1-2;2002:no.1-12
for (int i = 0; i < no_parts.Length; i++)
{
string strPart = no_parts[i].Trim();
if (String.IsNullOrEmpty(strPart) == true)
{
continue;
}
if (StringUtil.IsNumber(strPart) == true &&
strPart.Length == 4)
{
strCurrentYear = strPart;
continue;
}
// 去掉"no."部分
if (StringUtil.HasHead(strPart, "no.") == true)
{
strPart = strPart.Substring(3).Trim();
}
// TODO: 没有"no."开头的，是否警告?
if (String.IsNullOrEmpty(strPart) == true)
{
continue;
}
List <string> nos = null;
try
{
nos = ExpandSequence(strPart);
}
catch (Exception ex)
{
strError = "序列 '" + strPart + "' 格式错误:" + ex.Message;
return(-1);
}
for (int j = 0; j < nos.Count; j++)
{
string strNo = nos[j];
if (String.IsNullOrEmpty(strCurrentYear) == true)
{
strError = "当遇到 '" + strNo + "' 的时候，没有必要的年份信息，无法解析no.序列信息";
return(-1);
}
VolumeInfo info = new VolumeInfo();
info.IssueNo = strNo;
info.Year = strCurrentYear;
infos.Add(info);
}
}
return(0);
}
// 解析卷期范围序列。例如“2001,no.1-12=总.101-112=v.25*12”
public static int BuildVolumeInfos(string strText,
out List <VolumeInfo> infos,
out string strError)
{
int nRet = 0;
strError = "";
infos = new List <VolumeInfo>();
string strYearString = "";
string strNoString = "";
string strVolumeString = "";
string strZongString = "";
List <string> notdef_segments = new List <string>();
string[] segments = strText.Split(new char[] { '=' });
for (int i = 0; i < segments.Length; i++)
{
string strSegment = segments[i].Trim();
if (String.IsNullOrEmpty(strSegment) == true)
{
continue;
}
if (strSegment.IndexOf("y.") != -1)
{
strYearString = strSegment;
}
else if (strSegment.IndexOf("no.") != -1)
{
strNoString = strSegment;
}
else if (strSegment.IndexOf("v.") != -1)
{
strVolumeString = strSegment;
}
else if (strSegment.IndexOf("总.") != -1)
{
strZongString = strSegment;
}
else
{
notdef_segments.Add(strSegment);
}
}
// 2012/4/25
// 当年期号序列很重要，如果缺了，光有总期号和卷号是不行的
if (string.IsNullOrEmpty(strNoString) == true &&
(string.IsNullOrEmpty(strZongString) == false || string.IsNullOrEmpty(strVolumeString) == false))
{
strError = "当年期号序列不能省却。'" + strText + "'";
if (notdef_segments.Count > 0)
{
strError += "。字符串中出现了无法识别的序列: " + StringUtil.MakePathList(notdef_segments, "=");
}
return(-1);
}
if (String.IsNullOrEmpty(strNoString) == false)
{
// 去掉"y."部分
if (StringUtil.HasHead(strYearString, "y.") == true)
{
strYearString = strYearString.Substring(2).Trim();
}
// 解析no.序列
nRet = ExpandNoString(strNoString,
strYearString,
out infos,
out strError);
if (nRet == -1)
{
strError = "解析序列 '" + strNoString + "' (年份'" + strYearString + "')时发生错误: " + strError;
return(-1);
}
}
// 去掉"总."部分
if (StringUtil.HasHead(strZongString, "总.") == true)
{
strZongString = strZongString.Substring(2).Trim();
}
if (String.IsNullOrEmpty(strZongString) == false)
{
List <string> zongs = null;
try
{
zongs = ExpandSequence(strZongString);
}
catch (Exception ex)
{
strError = "总. 序列 '" + strZongString + "' 格式错误:" + ex.Message;
return(-1);
}
for (int i = 0; i < infos.Count; i++)
{
VolumeInfo info = infos[i];
if (i < zongs.Count)
{
info.Zong = zongs[i];
}
else
{
break;
}
}
}
// 去掉"v."部分
if (StringUtil.HasHead(strVolumeString, "v.") == true)
{
strVolumeString = strVolumeString.Substring(2).Trim();
}
if (String.IsNullOrEmpty(strVolumeString) == false)
{
List <string> volumes = null;
try
{
volumes = ExpandSequence(strVolumeString);
}
catch (Exception ex)
{
strError = "v.序列 '" + strVolumeString + "' 格式错误:" + ex.Message;
return(-1);
}
string strLastValue = "";
for (int i = 0; i < infos.Count; i++)
{
VolumeInfo info = infos[i];
if (i < volumes.Count)
{
info.Volume = volumes[i];
strLastValue = info.Volume; // 记忆最后一个
}
else
{
info.Volume = strLastValue; // 沿用最后一个
}
}
}
// 2015/5/8 如果 strText 内容为“绿笔采风”之类的，就无法分析出部件
if (infos.Count == 0 && notdef_segments.Count > 0)
{
strError += "卷期范围字符串中出现了无法识别的序列: " + StringUtil.MakePathList(notdef_segments, "=");
return(-1);
}
return(0);
}
public static string GetCoverImageIDFromIssueRecord(XmlDocument dom,
string strPreferredType = "MediumImage")
{
string strLargeUrl = "";
string strMediumUrl = ""; // type:FrontCover.MediumImage
string strUrl = ""; // type:FronCover
string strSmallUrl = "";
XmlNamespaceManager nsmgr = new XmlNamespaceManager(new NameTable());
nsmgr.AddNamespace("dprms", DpNs.dprms);
XmlNodeList nodes = dom.DocumentElement.SelectNodes("//dprms:file", nsmgr);
foreach (XmlElement node in nodes)
{
string strUsage = node.GetAttribute("usage");
string strID = node.GetAttribute("id");
if (string.IsNullOrEmpty(strUsage) == true)
{
continue;
}
// . 分隔 FrontCover.MediumImage
if (StringUtil.HasHead(strUsage, "FrontCover." + strPreferredType) == true)
{
return(strID);
}
if (StringUtil.HasHead(strUsage, "FrontCover.SmallImage") == true)
{
strSmallUrl = strID;
}
else if (StringUtil.HasHead(strUsage, "FrontCover.MediumImage") == true)
{
strMediumUrl = strID;
}
else if (StringUtil.HasHead(strUsage, "FrontCover.LargeImage") == true)
{
strLargeUrl = strID;
}
else if (StringUtil.HasHead(strUsage, "FrontCover") == true)
{
strUrl = strID;
}
}
if (string.IsNullOrEmpty(strLargeUrl) == false)
{
return(strLargeUrl);
}
if (string.IsNullOrEmpty(strMediumUrl) == false)
{
return(strMediumUrl);
}
if (string.IsNullOrEmpty(strUrl) == false)
{
return(strUrl);
}
return(strSmallUrl);
}