/// <summary>
/// Gets an IBrowser instance from the user agent string passed in.
/// </summary>
/// <param name="userAgentString">The user agent string.</param>
/// <returns>An instance of IBrowser.</returns>
internal static IBrowser GetBrowser(ReadOnlySpan <char> userAgentString)
{
// Order is important, Go from most specific to generic
// For example, The string "Chrome" is present in both Chrome and Edge,
// So we will first check if it is Edge because Edge has something more specific we can check.
if (Firefox.TryParse(userAgentString, out var firefox))
{
return(firefox);
}
if (EdgeChromium.TryParse(userAgentString, out var edgeChromium))
{
return(edgeChromium);
}
if (InternetExplorer.TryParse(userAgentString, out var ie))
{
return(ie);
}
if (Opera.TryParse(userAgentString, out var opera))
{
return(opera);
}
if (Edge.TryParse(userAgentString, out var edge))
{
return(edge);
}
if (Chrome.TryParse(userAgentString, out var chrome))
{
return(chrome);
}
if (Safari.TryParse(userAgentString, out var safari))
{
return(safari);
}
if (Instagram.TryParse(userAgentString, out var instagram))
{
return(instagram);
}
return(default);
/// <summary>
/// Populates a Instagram browser object from the userAgent value passed in. A return value indicates the parsing and populating the browser instance succeeded.
/// </summary>
/// <param name="userAgent">User agent value.</param>
/// <param name="result">When this method returns True, the result will contain a Instagram object populated.</param>
/// <returns>True if parsing succeeded, else False.</returns>
public static bool TryParse(ReadOnlySpan <char> userAgent, out Instagram result)
{
var instagramIndex = userAgent.IndexOf("Instagram ".AsSpan());
// Instagram should have "Instagram" words in it.
if (instagramIndex > -1)
{
var instagramVersion = GetVersionIfKeyPresent(userAgent, "Instagram ");
if (instagramVersion != null)
{
result = new Instagram(userAgent, instagramVersion);
return(true);
}
}
result = null;
return(false);
}