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Merge pull request #17254 from sjakub/attribute_aliases

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Add additional attribute aliases and improve attribute detection
This commit is contained in:
Cody Robibero
2026-07-20 19:45:06 -04:00
committed by GitHub
parent 4f19ed5730 08f6627a24
commit 191be0931e
2 changed files with 120 additions and 28 deletions
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Emby.Server.Implementations/Library/PathExtensions.cs
+58 -27
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@@ -29,17 +29,41 @@ namespace Emby.Server.Implementations.Library
throw new ArgumentException("String can't be empty.", nameof(attribute));
}
var attributeIndex = str.IndexOf(attribute, StringComparison.OrdinalIgnoreCase);
// Must be at least 3 characters after the attribute =, ], any character,
// then we offset it by 1, because we want the index and not length.
var maxIndex = str.Length - attribute.Length - 2;
while (attributeIndex > -1 && attributeIndex < maxIndex)
// Allow tmdb as an alias for tmdbid, tvdb for tvdbid, etc.
// The code below only supports aliases for attributes in the form of "<alias>id".
ReadOnlySpan<char> shortAttr = attribute switch
{
var attributeEnd = attributeIndex + attribute.Length;
_ when attribute.Equals("tmdbid", StringComparison.OrdinalIgnoreCase) => "tmdb",
_ when attribute.Equals("tvdbid", StringComparison.OrdinalIgnoreCase) => "tvdb",
_ when attribute.Equals("imdbid", StringComparison.OrdinalIgnoreCase) => "imdb",
_ => ReadOnlySpan<char>.Empty
};
for (int strIndex = 0, attributeIndex = 0; attributeIndex > -1;)
{
// We may want to use imdbid pattern matching later, so we don't want to modify the original 'str'.
var subStr = str[strIndex..];
int attributeEnd = 0;
if (shortAttr.Length > 0)
{
// If we are using an alias it should be shorter (and a prefix), so let's search for that.
attributeIndex = subStr.IndexOf(shortAttr, StringComparison.OrdinalIgnoreCase);
attributeEnd = attributeIndex + shortAttr.Length;
}
else
{
attributeIndex = subStr.IndexOf(attribute, StringComparison.OrdinalIgnoreCase);
attributeEnd = attributeIndex + attribute.Length;
}
// The next iteration should start at the end of the attribute we just found.
// If attributeIndex < 0, the loop will end and strIndex won't be used again.
strIndex += attributeEnd;
if (attributeIndex > 0)
{
var attributeOpener = str[attributeIndex - 1];
var attributeOpener = subStr[attributeIndex - 1];
var attributeCloser = attributeOpener switch
{
'[' => ']',
@@ -47,20 +71,37 @@ namespace Emby.Server.Implementations.Library
'{' => '}',
_ => '\0'
};
if (attributeCloser != '\0' && (str[attributeEnd] == '=' || str[attributeEnd] == '-'))
{
var closingIndex = str[attributeEnd..].IndexOf(attributeCloser);
// Must be at least 1 character before the closing bracket.
if (closingIndex > 1)
if (attributeCloser != '\0')
{
if (shortAttr.Length > 0
&& attributeEnd + 1 < subStr.Length
&& (subStr[attributeEnd] is 'i' or 'I')
&& (subStr[attributeEnd + 1] is 'd' or 'D'))
{
return str[(attributeEnd + 1)..(attributeEnd + closingIndex)].Trim().ToString();
// We were searching for a shortened attribute, but it's followed by "id" - let's skip it.
attributeEnd += 2;
}
// attributeEnd points at '='.
// We need at least 1 more character and the closing bracket after that.
if (attributeEnd + 2 < subStr.Length && (subStr[attributeEnd] is '=' or '-'))
{
var closingIndex = subStr[attributeEnd..].IndexOf(attributeCloser);
// Must be at least 1 character before the closing bracket.
if (closingIndex > 1)
{
var trimmed = subStr[(attributeEnd + 1)..(attributeEnd + closingIndex)].Trim();
if (trimmed.Length > 0)
{
return trimmed.ToString();
}
}
}
}
}
str = str[attributeEnd..];
attributeIndex = str.IndexOf(attribute, StringComparison.OrdinalIgnoreCase);
}
// for imdbid we also accept pattern matching
@@ -70,16 +111,6 @@ namespace Emby.Server.Implementations.Library
return match ? imdbId.ToString() : null;
}
// Allow tmdb as an alias for tmdbid
if (attribute.Equals("tmdbid", StringComparison.OrdinalIgnoreCase))
{
var tmdbValue = str.GetAttributeValue("tmdb");
if (tmdbValue is not null)
{
return tmdbValue;
}
}
return null;
}