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Added MentionUtils.TryParseXXX methods

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This commit is contained in:
RogueException
2016-06-26 01:55:51 -03:00
parent 2c87e496e1
commit d934a5a1eb
1 changed files with 40 additions and 15 deletions
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49
src/Discord.Net/Utilities/MentionUtils.cs
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@@ -19,6 +19,14 @@ namespace Discord
/// <summary> Parses a provided user mention string. </summary> /// <summary> Parses a provided user mention string. </summary>
public static ulong ParseUser(string mentionText) public static ulong ParseUser(string mentionText)
{
ulong id;
if (TryParseUser(mentionText, out id))
return id;
throw new ArgumentException("Invalid mention format", nameof(mentionText));
}
/// <summary> Tries to parse a provided user mention string. </summary>
public static bool TryParseUser(string mentionText, out ulong userId)
{ {
mentionText = mentionText.Trim(); mentionText = mentionText.Trim();
if (mentionText.Length >= 3 && mentionText[0] == '<' && mentionText[1] == '@' && mentionText[mentionText.Length - 1] == '>') if (mentionText.Length >= 3 && mentionText[0] == '<' && mentionText[1] == '@' && mentionText[mentionText.Length - 1] == '>')
@@ -28,39 +36,56 @@ namespace Discord
else else
mentionText = mentionText.Substring(2, mentionText.Length - 3); //<@123> mentionText = mentionText.Substring(2, mentionText.Length - 3); //<@123>
ulong id; if (ulong.TryParse(mentionText, NumberStyles.None, CultureInfo.InvariantCulture, out userId))
if (ulong.TryParse(mentionText, NumberStyles.None, CultureInfo.InvariantCulture, out id)) return true;
return id;
} }
throw new ArgumentException("Invalid mention format", nameof(mentionText)); userId = 0;
return false;
} }
/// <summary> Parses a provided channel mention string. </summary> /// <summary> Parses a provided channel mention string. </summary>
public static ulong ParseChannel(string mentionText) public static ulong ParseChannel(string mentionText)
{
ulong id;
if (TryParseChannel(mentionText, out id))
return id;
throw new ArgumentException("Invalid mention format", nameof(mentionText));
}
/// <summary>Tries to parse a provided channel mention string. </summary>
public static bool TryParseChannel(string mentionText, out ulong channelId)
{ {
mentionText = mentionText.Trim(); mentionText = mentionText.Trim();
if (mentionText.Length >= 3 && mentionText[0] == '<' && mentionText[1] == '#' && mentionText[mentionText.Length - 1] == '>') if (mentionText.Length >= 3 && mentionText[0] == '<' && mentionText[1] == '#' && mentionText[mentionText.Length - 1] == '>')
{ {
mentionText = mentionText.Substring(2, mentionText.Length - 3); //<#123> mentionText = mentionText.Substring(2, mentionText.Length - 3); //<#123>
ulong id; if (ulong.TryParse(mentionText, NumberStyles.None, CultureInfo.InvariantCulture, out channelId))
if (ulong.TryParse(mentionText, NumberStyles.None, CultureInfo.InvariantCulture, out id)) return true;
return id;
} }
throw new ArgumentException("Invalid mention format", nameof(mentionText)); channelId = 0;
return false;
} }
/// <summary> Parses a provided role mention string. </summary> /// <summary> Parses a provided role mention string. </summary>
public static ulong ParseRole(string mentionText) public static ulong ParseRole(string mentionText)
{
ulong id;
if (TryParseRole(mentionText, out id))
return id;
throw new ArgumentException("Invalid mention format", nameof(mentionText));
}
/// <summary>Tries to parse a provided role mention string. </summary>
public static bool TryParseRole(string mentionText, out ulong roleId)
{ {
mentionText = mentionText.Trim(); mentionText = mentionText.Trim();
if (mentionText.Length >= 4 && mentionText[0] == '<' && mentionText[1] == '@' && mentionText[2] == '&' && mentionText[mentionText.Length - 1] == '>') if (mentionText.Length >= 4 && mentionText[0] == '<' && mentionText[1] == '@' && mentionText[2] == '&' && mentionText[mentionText.Length - 1] == '>')
{ {
mentionText = mentionText.Substring(3, mentionText.Length - 4); //<@&123> mentionText = mentionText.Substring(3, mentionText.Length - 4); //<@&123>
ulong id; if (ulong.TryParse(mentionText, NumberStyles.None, CultureInfo.InvariantCulture, out roleId))
if (ulong.TryParse(mentionText, NumberStyles.None, CultureInfo.InvariantCulture, out id)) return true;
return id;
} }
throw new ArgumentException("Invalid mention format", nameof(mentionText)); roleId = 0;
return false;
} }
/// <summary> Gets the ids of all users mentioned in a provided text.</summary> /// <summary> Gets the ids of all users mentioned in a provided text.</summary>