/// <summary>
/// 敏感词检测
/// </summary>
/// <param name="library">敏感词库</param>
public ContentCheck(WordsLibrary library)
{
if (library.Library == null)
{
throw new Exception("敏感词库未初始化");
}
Library = library.Library;
}
/// <summary>
/// 检测敏感词
/// </summary>
/// <param name="text">检测文本</param>
/// <returns></returns>
private Dictionary <int, char> WordsCheck(string text)
{
if (Library == null)
{
throw new Exception("未设置敏感词库 词树");
}
Dictionary <int, char> dic = new Dictionary <int, char>();
WordsLibrary.ItemTree p = Library;
List <int> indexs = new List <int>();
for (int i = 0, j = 0; j < text.Length; j++)
{
char cha = text[j];
var child = p.Child;
var node = child.Find(e => e.Item == cha);
if (node != null)
{
indexs.Add(j);
if (node.IsEnd || node.Child == null)
{
if (node.Child != null)
{
int k = j + 1;
if (k < text.Length && node.Child.Exists(e => e.Item == text[k]))
{
p = node;
continue;
}
}
foreach (var item in indexs)
{
dic.Add(item, text[item]);
}
indexs.Clear();
p = Library;
i = j;
++i;
}
else
{
p = node;
}
}
else
{
indexs.Clear();
if (p.GetHashCode() != Library.GetHashCode())
{
j = i;
++i;
p = Library;
}
else
{
i = j;
}
}
}
return(dic);
}
