GetKnownContentType()

static string System.Net.Http.Headers.HeaderDescriptor.GetKnownContentType ( ReadOnlySpan< byte > contentTypeValue )

inlinestaticpackage

Definition at line 151 of file HeaderDescriptor.cs.

    {
        string text = null;
        switch (contentTypeValue.Length)
        {
        case 8:
            switch (contentTypeValue[7] | 0x20)
            {
            case 108:
                text = "text/xml";
                break;
            case 115:
                text = "text/css";
                break;
            case 118:
                text = "text/csv";
                break;
            }
            break;
        case 9:
            switch (contentTypeValue[6] | 0x20)
            {
            case 103:
                text = "image/gif";
                break;
            case 112:
                text = "image/png";
                break;
            case 116:
                text = "text/html";
                break;
            }
            break;
        case 10:
            switch (contentTypeValue[0] | 0x20)
            {
            case 116:
                text = "text/plain";
                break;
            case 105:
                text = "image/jpeg";
                break;
            }
            break;
        case 15:
            switch (contentTypeValue[12] | 0x20)
            {
            case 112:
                text = "application/pdf";
                break;
            case 120:
                text = "application/xml";
                break;
            case 122:
                text = "application/zip";
                break;
            }
            break;
        case 16:
            switch (contentTypeValue[12] | 0x20)
            {
            case 103:
                text = "application/grpc";
                break;
            case 106:
                text = "application/json";
                break;
            }
            break;
        case 19:
            text = "multipart/form-data";
            break;
        case 22:
            text = "application/javascript";
            break;
        case 24:
            switch (contentTypeValue[0] | 0x20)
            {
            case 97:
                text = "application/octet-stream";
                break;
            case 116:
                text = "text/html; charset=utf-8";
                break;
            }
            break;
        case 25:
            text = "text/plain; charset=utf-8";
            break;
        case 31:
            text = "application/json; charset=utf-8";
            break;
        case 33:
            text = "application/x-www-form-urlencoded";
            break;
        }
        if (text == null || !ByteArrayHelpers.EqualsOrdinalAsciiIgnoreCase(text, contentTypeValue))
        {
            return null;
        }
        return text;
    }

References System.ByteArrayHelpers.EqualsOrdinalAsciiIgnoreCase(), System.ReadOnlySpan< T >.Length, and System.text.

Referenced by System.Net.Http.Headers.HeaderDescriptor.GetHeaderValue().