| private static GetEscapeSequence ( char c ) : string | ||
| c | char | |
| 리턴 | string | |
/// <summary>Replaces invalid XML characters in a string with their valid XML equivalent.</summary>
/// <returns>The input string with invalid characters replaced.</returns>
/// <param name="str">The string within which to escape invalid characters. </param>
public static string Escape(string str)
{
if (str == null)
{
return(null);
}
StringBuilder stringBuilder = null;
int length = str.Length;
int num = 0;
while (true)
{
int num2 = str.IndexOfAny(SecurityElement.s_escapeChars, num);
if (num2 == -1)
{
break;
}
if (stringBuilder == null)
{
stringBuilder = new StringBuilder();
}
stringBuilder.Append(str, num, num2 - num);
stringBuilder.Append(SecurityElement.GetEscapeSequence(str[num2]));
num = num2 + 1;
}
if (stringBuilder == null)
{
return(str);
}
stringBuilder.Append(str, num, length - num);
return(stringBuilder.ToString());
}
/// <summary>将字符串中的无效 XML 字符替换为与其等效的有效 XML 字符。</summary>
/// <returns>包含无效字符的输入字符串被替换。</returns>
/// <param name="str">要对其中的无效字符进行转义的字符串。</param>
public static string Escape(string str)
{
if (str == null)
{
return((string)null);
}
StringBuilder stringBuilder = (StringBuilder)null;
int length = str.Length;
int startIndex = 0;
while (true)
{
int index = str.IndexOfAny(SecurityElement.s_escapeChars, startIndex);
if (index != -1)
{
if (stringBuilder == null)
{
stringBuilder = new StringBuilder();
}
stringBuilder.Append(str, startIndex, index - startIndex);
stringBuilder.Append(SecurityElement.GetEscapeSequence(str[index]));
startIndex = index + 1;
}
else
{
break;
}
}
if (stringBuilder == null)
{
return(str);
}
stringBuilder.Append(str, startIndex, length - startIndex);
return(stringBuilder.ToString());
}
