126 lines
3.2 KiB
C#
126 lines
3.2 KiB
C#
using System.Collections.ObjectModel;
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using Npgsql;
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namespace pgLabII.PgUtils.ConnectionStrings;
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public ref struct PqConnectionStringParser
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{
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// Note possible keywords
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// host
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//hostaddr
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//port
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//dbname
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//user
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//password
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//passfile
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//channel_binding
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//connect_timeout
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//client_encoding
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//options
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//application_name
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//fallback_application_name
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//keepalives
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//keepalives_idle
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//keepalives_interval
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//keepalives_count
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//tcp_user_timeout
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//replication
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//gssencmode
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//sslmode
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//requiresll
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//sslcompression
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//sslcert
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//sslkey
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//sslpassword
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//sslrootcert
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//sslcrl
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//sslcrldir
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//sslsni
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//requirepeer
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//ssl_min_protocol_version
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//ssl_max_protocol_version
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//krbsrvname
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//gsslib
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//service
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//target_session_attrs
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public static IDictionary<string, string> Parse(string input)
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{
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return new PqConnectionStringParser(
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new PqConnectionStringTokenizer(input)
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).Parse();
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}
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private readonly IPqConnectionStringTokenizer tokenizer;
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private readonly Dictionary<string, string> result = new();
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public PqConnectionStringParser(IPqConnectionStringTokenizer tokenizer)
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{
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this.tokenizer = tokenizer;
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}
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public IDictionary<string, string> Parse()
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{
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result.Clear();
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while (!tokenizer.Eof)
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ParsePair();
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return result;
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}
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private void ParsePair()
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{
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string kw = tokenizer.GetKeyword();
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tokenizer.ConsumeEquals();
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string v = tokenizer.GetValue();
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result.Add(kw, v);
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//switch (kw)
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//{
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// case "host":
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// case "hostaddr":
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// result.Host = v.ToString();
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// break;
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// case "port":
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// result.Port = int.Parse(v);
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// break;
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// case "dbname":
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// result.Database = v.ToString();
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// break;
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// case "user":
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// result.Username = v.ToString();
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// break;
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// case "password":
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// result.Password = v.ToString();
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// break;
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// case "connect_timeout":
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// result.Timeout = int.Parse(v);
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// break;
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// case "application_name":
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// result.ApplicationName = v.ToString();
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// break;
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// case "options":
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// result.Options = v.ToString();
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// break;
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// case "sslmode":
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// result.SslMode = ToSslMode(v);
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// break;
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// default:
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// // Todo what do we do with values we do not support/recognize?
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// break;
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//}
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}
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private SslMode ToSslMode(ReadOnlySpan<char> v)
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=> v switch
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{
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"disable" => SslMode.Disable,
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"allow" => SslMode.Allow,
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"prefer" => SslMode.Prefer,
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"require" => SslMode.Require,
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"verify-ca" => SslMode.VerifyCA,
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"verify-full" => SslMode.VerifyFull,
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_ => throw new ArgumentException("Not a valid SSL mode"),
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};
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}
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