/// <summary>
/// 将字符串中的指定字符替换成转义字符串，算法效率相对高效
/// </summary>
/// <param name="source">需要转义的字符串</param>
/// <param name="replaceString">需要替换字符串数组</param>
/// <param name="escapeFunc">判断是否需要转义字符，返回-1无需转义，
/// 返回其他数字将去数组replaceString查找需要替换的字符串</param>
/// <returns></returns>
public static string EscapeString(string source, string[] replaceString, Func <char, int> escapeFunc)
{
if (string.IsNullOrEmpty(source))
{
return(string.Empty);
}
TkDebug.AssertArgumentNull(escapeFunc, "escapeFunc", null);
TkDebug.AssertEnumerableArgumentNull <string>(replaceString, "replaceString", null);
StringBuilder cachedStringBuilder = null;
int start = 0;
int pos = 0;
int count = source.Length;
for (int i = 0; i < count; ++i)
{
pos = escapeFunc(source[i]);
if (pos < 0)
{
continue;
}
if (cachedStringBuilder == null)
{
cachedStringBuilder = new StringBuilder();
}
cachedStringBuilder.Append(source.Substring(start, i - start));
TkDebug.Assert(pos < replaceString.Length, string.Format(ObjectUtil.SysCulture,
"参数escapeFunc返回的值有误，replaceString的长度为{0}，但是返回值却是{1}，越界了",
replaceString.Length, pos), null);
cachedStringBuilder.Append(replaceString[pos]);
start = i + 1;
}
if (start == 0)
{
return(source);
}
else if (start < count)
{
cachedStringBuilder.Append(source.Substring(start, count - start));
}
string s = cachedStringBuilder.ToString();
return(s);
}
