/// <summary>
/// Append string representation of this <see cref="SetCookieHeaderValue"/> to given
/// <paramref name="builder"/>.
/// </summary>
/// <param name="builder">
/// The <see cref="StringBuilder"/> to receive the string representation of this
/// <see cref="SetCookieHeaderValue"/>.
/// </param>
public void AppendToStringBuilder(StringBuilder builder)
{
builder.Append(_name.AsSpan());
builder.Append("=");
builder.Append(_value.AsSpan());
if (Expires.HasValue)
{
AppendSegment(builder, ExpiresToken, HeaderUtilities.FormatDate(Expires.GetValueOrDefault()));
}
if (MaxAge.HasValue)
{
AppendSegment(builder, MaxAgeToken, HeaderUtilities.FormatNonNegativeInt64((long)MaxAge.GetValueOrDefault().TotalSeconds));
}
if (Domain != null)
{
AppendSegment(builder, DomainToken, Domain);
}
if (Path != null)
{
AppendSegment(builder, PathToken, Path);
}
if (Secure)
{
AppendSegment(builder, SecureToken, null);
}
// Allow for Unspecified (-1) to skip SameSite
if (SameSite == SameSiteMode.None && !SuppressSameSiteNone)
{
AppendSegment(builder, SameSiteToken, SameSiteNoneToken);
}
else if (SameSite == SameSiteMode.Lax)
{
AppendSegment(builder, SameSiteToken, SameSiteLaxToken);
}
else if (SameSite == SameSiteMode.Strict)
{
AppendSegment(builder, SameSiteToken, SameSiteStrictToken);
}
if (HttpOnly)
{
AppendSegment(builder, HttpOnlyToken, null);
}
}
// name="value"; expires=Sun, 06 Nov 1994 08:49:37 GMT; max-age=86400; domain=domain1; path=path1; secure; samesite={strict|lax|none}; httponly
public override string ToString()
{
var length = _name.Length + EqualsToken.Length + _value.Length;
string maxAge = null;
string sameSite = null;
if (Expires.HasValue)
{
length += SeparatorToken.Length + ExpiresToken.Length + EqualsToken.Length + ExpiresDateLength;
}
if (MaxAge.HasValue)
{
maxAge = HeaderUtilities.FormatNonNegativeInt64((long)MaxAge.GetValueOrDefault().TotalSeconds);
length += SeparatorToken.Length + MaxAgeToken.Length + EqualsToken.Length + maxAge.Length;
}
if (Domain != null)
{
length += SeparatorToken.Length + DomainToken.Length + EqualsToken.Length + Domain.Length;
}
if (Path != null)
{
length += SeparatorToken.Length + PathToken.Length + EqualsToken.Length + Path.Length;
}
if (Secure)
{
length += SeparatorToken.Length + SecureToken.Length;
}
// Allow for Unspecified (-1) to skip SameSite
if (SameSite == SameSiteMode.None && !SuppressSameSiteNone)
{
sameSite = SameSiteNoneToken;
length += SeparatorToken.Length + SameSiteToken.Length + EqualsToken.Length + sameSite.Length;
}
else if (SameSite == SameSiteMode.Lax)
{
sameSite = SameSiteLaxToken;
length += SeparatorToken.Length + SameSiteToken.Length + EqualsToken.Length + sameSite.Length;
}
else if (SameSite == SameSiteMode.Strict)
{
sameSite = SameSiteStrictToken;
length += SeparatorToken.Length + SameSiteToken.Length + EqualsToken.Length + sameSite.Length;
}
if (HttpOnly)
{
length += SeparatorToken.Length + HttpOnlyToken.Length;
}
return(string.Create(length, (this, maxAge, sameSite), (span, tuple) =>
{
var(headerValue, maxAgeValue, sameSite) = tuple;
Append(ref span, headerValue._name);
Append(ref span, EqualsToken);
Append(ref span, headerValue._value);
if (headerValue.Expires is DateTimeOffset expiresValue)
{
Append(ref span, SeparatorToken);
Append(ref span, ExpiresToken);
Append(ref span, EqualsToken);
var formatted = expiresValue.TryFormat(span, out var charsWritten, ExpiresDateFormat);
span = span.Slice(charsWritten);
Debug.Assert(formatted);
}
if (maxAgeValue != null)
{
AppendSegment(ref span, MaxAgeToken, maxAgeValue);
}
if (headerValue.Domain != null)
{
AppendSegment(ref span, DomainToken, headerValue.Domain);
}
if (headerValue.Path != null)
{
AppendSegment(ref span, PathToken, headerValue.Path);
}
if (headerValue.Secure)
{
AppendSegment(ref span, SecureToken, null);
}
if (sameSite != null)
{
AppendSegment(ref span, SameSiteToken, sameSite);
}
if (headerValue.HttpOnly)
{
AppendSegment(ref span, HttpOnlyToken, null);
}
}));
}