public static void WriteEscapedJavaScriptString([Nullable(1)] TextWriter writer, string s, char delimiter, bool appendDelimiters, [Nullable(1)] bool[] charEscapeFlags, StringEscapeHandling stringEscapeHandling, IArrayPool <char> bufferPool, ref char[] writeBuffer)
{
if (appendDelimiters)
{
writer.Write(delimiter);
}
if (!StringUtils.IsNullOrEmpty(s))
{
int num = JavaScriptUtils.FirstCharToEscape(s, charEscapeFlags, stringEscapeHandling);
if (num == -1)
{
writer.Write(s);
}
else
{
if (num != 0)
{
if (writeBuffer == null || writeBuffer.Length < num)
{
writeBuffer = BufferUtils.EnsureBufferSize(bufferPool, num, writeBuffer);
}
s.CopyTo(0, writeBuffer, 0, num);
writer.Write(writeBuffer, 0, num);
}
int num2;
for (int i = num; i < s.Length; i++)
{
char c = s[i];
if ((int)c >= charEscapeFlags.Length || charEscapeFlags[(int)c])
{
string text;
if (c <= '\\')
{
switch (c)
{
case '\b':
text = "\\b";
break;
case '\t':
text = "\\t";
break;
case '\n':
text = "\\n";
break;
case '\v':
goto IL_10D;
case '\f':
text = "\\f";
break;
case '\r':
text = "\\r";
break;
default:
if (c != '\\')
{
goto IL_10D;
}
text = "\\\\";
break;
}
}
else if (c != '\u0085')
{
if (c != '\u2028')
{
if (c != '\u2029')
{
goto IL_10D;
}
text = "\\u2029";
}
else
{
text = "\\u2028";
}
}
else
{
text = "\\u0085";
}
IL_185:
if (text == null)
{
goto IL_229;
}
bool flag = string.Equals(text, "!", StringComparison.Ordinal);
if (i > num)
{
num2 = i - num + (flag ? 6 : 0);
int num3 = flag ? 6 : 0;
if (writeBuffer == null || writeBuffer.Length < num2)
{
char[] array = BufferUtils.RentBuffer(bufferPool, num2);
if (flag)
{
Array.Copy(writeBuffer, array, 6);
}
BufferUtils.ReturnBuffer(bufferPool, writeBuffer);
writeBuffer = array;
}
s.CopyTo(num, writeBuffer, num3, num2 - num3);
writer.Write(writeBuffer, num3, num2 - num3);
}
num = i + 1;
if (!flag)
{
writer.Write(text);
goto IL_229;
}
writer.Write(writeBuffer, 0, 6);
goto IL_229;
IL_10D:
if ((int)c >= charEscapeFlags.Length)
{
if (stringEscapeHandling != StringEscapeHandling.EscapeNonAscii)
{
text = null;
goto IL_185;
}
}
if (c == '\'' && stringEscapeHandling != StringEscapeHandling.EscapeHtml)
{
text = "\\'";
goto IL_185;
}
if (c == '"' && stringEscapeHandling != StringEscapeHandling.EscapeHtml)
{
text = "\\\"";
goto IL_185;
}
if (writeBuffer == null || writeBuffer.Length < 6)
{
writeBuffer = BufferUtils.EnsureBufferSize(bufferPool, 6, writeBuffer);
}
StringUtils.ToCharAsUnicode(c, writeBuffer);
text = "!";
goto IL_185;
}
IL_229 :;
}
num2 = s.Length - num;
if (num2 > 0)
{
if (writeBuffer == null || writeBuffer.Length < num2)
{
writeBuffer = BufferUtils.EnsureBufferSize(bufferPool, num2, writeBuffer);
}
s.CopyTo(num, writeBuffer, 0, num2);
writer.Write(writeBuffer, 0, num2);
}
}
}
if (appendDelimiters)
{
writer.Write(delimiter);
}
}