/// <summary>
/// 查找并替换
/// </summary>
/// <param name="replaceChar"></param>
public string Filter(char replaceChar)
{
string blackstring = "";
LoadDictionary();
if (sourctText != string.Empty)
{
char[] tempString = sourctText.ToCharArray();;
for (int i = 0; i < SourctText.Length; i++)
{
//查询以该字为首字符的词组
WordGroup group = MEMORYLEXICON[(int)ToDBC(SourctText)[i]];
if (group != null)
{
for (int z = 0; z < group.Count(); z++)
{
string word = group.GetWord(z);
if (word.Length == 0 || Check(word))
{
string blackword = string.Empty;
for (int pos = 0; pos < wordlenght + 1; pos++)
{
blackword += tempString[pos + cursor].ToString();
blackstring += tempString[pos + cursor];
tempString[pos + cursor] = replaceChar;
}
illegalWords.Add(blackword);
cursor = cursor + wordlenght;
i = i + wordlenght;
}
}
}
cursor++;
}
return(blackstring);
//return new string(tempString);
}
else
{
return(string.Empty);
}
}
/// <summary>
/// 加载内存词库
/// </summary>
private void LoadDictionary()
{
if (DictionaryPath != string.Empty)
{
List <string> wordList = new List <string>();
Array.Clear(MEMORYLEXICON, 0, MEMORYLEXICON.Length);
string[] words = System.IO.File.ReadAllLines(DictionaryPath, System.Text.Encoding.Default); //将敏感字文件读取出来
foreach (string word in words)
{
string key = this.ToDBC(word).Replace(" ", ""); //全角转半角?
if (key != string.Empty)
{
wordList.Add(key);
}
// wordList.Add(Microsoft.VisualBasic.Strings.StrConv(key, Microsoft.VisualBasic.VbStrConv.TraditionalChinese, 0));
}
Comparison <string> cmp = delegate(string key1, string key2)
{
return(key1.CompareTo(key2));
};
wordList.Sort(cmp);
for (int i = wordList.Count - 1; i > 0; i--)
{
if (wordList[i].ToString() == wordList[i - 1].ToString()) //检查有没有重复
{
wordList.RemoveAt(i);
}
}
foreach (var word in wordList)
{
WordGroup group = MEMORYLEXICON[(int)word[0]]; //首字母分类
if (group == null)
{
group = new WordGroup();
MEMORYLEXICON[(int)word[0]] = group;
}
group.Add(word.Substring(1));
}
}
}
/// <summary>
/// 初始化字典
/// </summary>
private void initDictionary(ref string[] words)
{
List <string> wordList = new List <string>();
Array.Clear(MEMORYLEXICON, 0, MEMORYLEXICON.Length);
foreach (string word in words)
{
if (word.Equals(""))
{
continue;
}
string key = this.ToDBC(word);
wordList.Add(key);
}
Comparison <string> cmp = delegate(string key1, string key2)
{
return(key1.CompareTo(key2));
};
wordList.Sort(cmp);
for (int i = wordList.Count - 1; i > 0; i--)
{
if (wordList[i].ToString() == wordList[i - 1].ToString())
{
wordList.RemoveAt(i);
}
}
foreach (var word in wordList)
{
WordGroup group = MEMORYLEXICON[(int)word[0]];
if (group == null)
{
group = new WordGroup();
MEMORYLEXICON[(int)word[0]] = group;
}
group.Add(word.Substring(1));
}
}