private void EnsureSize(IArrayPool <char> bufferPool, int appendLength)
{
char[] chArray = BufferUtils.RentBuffer(bufferPool, (this._position + appendLength) * 2);
if (this._buffer != null)
{
Array.Copy((Array)this._buffer, (Array)chArray, this._position);
BufferUtils.ReturnBuffer(bufferPool, this._buffer);
}
this._buffer = chArray;
}
public static void WriteEscapedJavaScriptString(
TextWriter writer,
string s,
char delimiter,
bool appendDelimiters,
bool[] charEscapeFlags,
StringEscapeHandling stringEscapeHandling,
IArrayPool <char> bufferPool,
ref char[] writeBuffer)
{
if (appendDelimiters)
{
writer.Write(delimiter);
}
if (!string.IsNullOrEmpty(s))
{
int num1 = JavaScriptUtils.FirstCharToEscape(s, charEscapeFlags, stringEscapeHandling);
switch (num1)
{
case -1:
writer.Write(s);
break;
case 0:
for (int index = num1; index < s.Length; ++index)
{
char c = s[index];
if ((int)c >= charEscapeFlags.Length || charEscapeFlags[(int)c])
{
string a;
switch (c)
{
case '\b':
a = "\\b";
break;
case '\t':
a = "\\t";
break;
case '\n':
a = "\\n";
break;
case '\f':
a = "\\f";
break;
case '\r':
a = "\\r";
break;
case '\\':
a = "\\\\";
break;
case '\x0085':
a = "\\u0085";
break;
case '\x2028':
a = "\\u2028";
break;
case '\x2029':
a = "\\u2029";
break;
default:
if ((int)c < charEscapeFlags.Length ||
stringEscapeHandling == StringEscapeHandling.EscapeNonAscii)
{
if (c == '\'' && stringEscapeHandling != StringEscapeHandling.EscapeHtml)
{
a = "\\'";
break;
}
if (c == '"' && stringEscapeHandling != StringEscapeHandling.EscapeHtml)
{
a = "\\\"";
break;
}
if (writeBuffer == null || writeBuffer.Length < 6)
{
writeBuffer = BufferUtils.EnsureBufferSize(bufferPool, 6, writeBuffer);
}
StringUtils.ToCharAsUnicode(c, writeBuffer);
a = "!";
break;
}
a = (string)null;
break;
}
if (a != null)
{
bool flag = string.Equals(a, "!");
if (index > num1)
{
int minSize = index - num1 + (flag ? 6 : 0);
int num2 = flag ? 6 : 0;
if (writeBuffer == null || writeBuffer.Length < minSize)
{
char[] chArray = BufferUtils.RentBuffer(bufferPool, minSize);
if (flag)
{
Array.Copy((Array)writeBuffer, (Array)chArray, 6);
}
BufferUtils.ReturnBuffer(bufferPool, writeBuffer);
writeBuffer = chArray;
}
s.CopyTo(num1, writeBuffer, num2, minSize - num2);
writer.Write(writeBuffer, num2, minSize - num2);
}
num1 = index + 1;
if (!flag)
{
writer.Write(a);
}
else
{
writer.Write(writeBuffer, 0, 6);
}
}
}
}
int num3 = s.Length - num1;
if (num3 > 0)
{
if (writeBuffer == null || writeBuffer.Length < num3)
{
writeBuffer = BufferUtils.EnsureBufferSize(bufferPool, num3, writeBuffer);
}
s.CopyTo(num1, writeBuffer, 0, num3);
writer.Write(writeBuffer, 0, num3);
break;
}
break;
default:
if (writeBuffer == null || writeBuffer.Length < num1)
{
writeBuffer = BufferUtils.EnsureBufferSize(bufferPool, num1, writeBuffer);
}
s.CopyTo(0, writeBuffer, 0, num1);
writer.Write(writeBuffer, 0, num1);
goto case 0;
}
}
if (!appendDelimiters)
{
return;
}
writer.Write(delimiter);
}
public StringBuffer(IArrayPool <char> bufferPool, int initalSize)
{
this = new StringBuffer(BufferUtils.RentBuffer(bufferPool, initalSize));
}