/// <summary>
/// 获取出版日期
/// </summary>
/// <returns></returns>
public void ExtractPublishDate()
{
foreach (var item in this.Sentences)
{
if (TextHandleTool.IsFindPublishDate(item))
{
PublishDate = TextHandleTool.GetPublishDate(item);
break;
}
}
}
private void ExtractDOI()
{
//获取DOI
int i = 0;
foreach (var item in this.Sentences)
{
if (TextHandleTool.IsFindDoi(item))
{
DOI = TextHandleTool.GetDoi(item, i, this.Sentences);
break;
}
i++;
}
}
private void ExtractKeywords()
{
//获取关键字，如有Introduction或者1. Introduction，获取之间的语句，否则获取keywords所在行
int start = 0;
int end = 0;
int i = 0;
foreach (var item in this.Sentences)
{
i++;
var lowerItem = item.ToLower();
if (start == 0)
{
if (lowerItem.StartsWith("keywords") || lowerItem.StartsWith("key words:"))
{
start = i;
}
}
if (end == 0)
{
if (Regex.IsMatch(item, TextHandleTool.Introductionpattern, RegexOptions.IgnoreCase))
{
end = i;
}
}
if (end == 0 && item.ToUpper().Trim('\r').Trim() == "CONTENTS")
{
end = i;
}
if (start > 0 && end > 0 && end > start)
{
break;
}
}
StringBuilder keywords = new StringBuilder();
if (start > 0)
{
for (int j = start - 1; j < end - 1; j++)
{
if (Regex.IsMatch(Sentences[j], @"\d+"))
{
break;
}
keywords.Append(Sentences[j]);
}
}
this.Keywords = keywords.ToString();
if (this.Keywords == "")
{
foreach (var item in Sentences)
{
if (TextHandleTool.IsFindKeywords(item))
{
Keywords = TextHandleTool.GetKeyWords(item);
break;
}
}
}
}
public void ExtractISSN()
{
ISSN = TextHandleTool.GetISSN(this.Text);
}