public static string smethod_1(string string_1, char char_0, bool bool_3)
{
int?nullable = Class198.smethod_7(string_1);
using (StringWriter writer = Class198.smethod_6(nullable.HasValue ? nullable.GetValueOrDefault() : 0x10))
{
char[] chArray = null;
smethod_0(writer, string_1, char_0, bool_3, (char_0 == '"') ? bool_1 : bool_0, StringEscapeHandling.Default, ref chArray);
return(writer.ToString());
}
}
public static void smethod_0(TextWriter textWriter_0, string string_1, char char_0, bool bool_3, bool[] bool_4, StringEscapeHandling stringEscapeHandling_0, ref char[] char_1)
{
if (bool_3)
{
textWriter_0.Write(char_0);
}
if (string_1 != null)
{
int sourceIndex = 0;
for (int i = 0; i < string_1.Length; i++)
{
string str;
char index = string_1[i];
if ((index < bool_4.Length) && !bool_4[index])
{
continue;
}
char ch2 = index;
if (ch2 <= '\\')
{
switch (ch2)
{
case '\b':
str = @"\b";
goto Label_012E;
case '\t':
str = @"\t";
goto Label_012E;
case '\n':
str = @"\n";
goto Label_012E;
case '\v':
goto Label_00C3;
case '\f':
str = @"\f";
goto Label_012E;
case '\r':
str = @"\r";
goto Label_012E;
}
if (ch2 != '\\')
{
goto Label_00C3;
}
str = @"\\";
goto Label_012E;
}
switch (ch2)
{
case '\u2028':
str = @"\u2028";
goto Label_012E;
case '\u2029':
str = @"\u2029";
goto Label_012E;
case '\x0085':
str = @"\u0085";
goto Label_012E;
}
Label_00C3:
if ((index >= bool_4.Length) && (stringEscapeHandling_0 != StringEscapeHandling.EscapeNonAscii))
{
str = null;
}
else if ((index == '\'') && (stringEscapeHandling_0 != StringEscapeHandling.EscapeHtml))
{
str = @"\'";
}
else if ((index == '"') && (stringEscapeHandling_0 != StringEscapeHandling.EscapeHtml))
{
str = "\\\"";
}
else
{
if (char_1 == null)
{
char_1 = new char[6];
}
Class198.smethod_8(index, char_1);
str = "!";
}
Label_012E:
if (str != null)
{
bool flag = string.Equals(str, "!");
if (i > sourceIndex)
{
int num3 = (i - sourceIndex) + (flag ? 6 : 0);
int destinationIndex = flag ? 6 : 0;
if ((char_1 == null) || (char_1.Length < num3))
{
char[] destinationArray = new char[num3];
if (flag)
{
Array.Copy(char_1, destinationArray, 6);
}
char_1 = destinationArray;
}
string_1.CopyTo(sourceIndex, char_1, destinationIndex, num3 - destinationIndex);
textWriter_0.Write(char_1, destinationIndex, num3 - destinationIndex);
}
sourceIndex = i + 1;
if (!flag)
{
textWriter_0.Write(str);
}
else
{
textWriter_0.Write(char_1, 0, 6);
}
}
}
if (sourceIndex == 0)
{
textWriter_0.Write(string_1);
}
else
{
int count = string_1.Length - sourceIndex;
if ((char_1 == null) || (char_1.Length < count))
{
char_1 = new char[count];
}
string_1.CopyTo(sourceIndex, char_1, 0, count);
textWriter_0.Write(char_1, 0, count);
}
}
if (bool_3)
{
textWriter_0.Write(char_0);
}
}