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Don't assume PARAM.SFO fields exist

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Deterous
2023-12-22 23:53:39 +13:00
parent ec6caca3e9
commit c1fa640e0b
1 changed files with 57 additions and 11 deletions
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LibIRD/IRD.cs
+57 -11
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@@ -644,16 +644,16 @@ namespace LibIRD
// Parse PS3_DISC.SFB file
PS3_DiscSFB ps3_DiscSFB = new(s);
bool title_id_found = ps3_DiscSFB.Field.TryGetValue("TITLE_ID", out string title_id);
bool titleIDFound = ps3_DiscSFB.Field.TryGetValue("TITLE_ID", out string titleID);
// If a valid TITLE_ID field is present, remove the hyphen to fit into standard IRD file
if (title_id_found && title_id.Length == 10 && title_id[4] == '-')
TitleID = string.Concat(title_id.AsSpan(0, 4), title_id.AsSpan(5, 5));
if (titleIDFound && titleID.Length == 10 && titleID[4] == '-')
TitleID = string.Concat(titleID.AsSpan(0, 4), titleID.AsSpan(5, 5));
// If the version field is present, this is a multi-game disc
// Redump-style IRDs use the VERSION field from PS3_DISC.SFB instead of VERSION from PARAM.SFO
bool version_found = ps3_DiscSFB.Field.TryGetValue("VERSION", out string disc_version);
if (version_found)
DiscVersion = disc_version;
bool discVersionFound = ps3_DiscSFB.Field.TryGetValue("VERSION", out string discVersion);
if (discVersionFound)
DiscVersion = discVersion;
}
// Read PS3 Metadata from PARAM.SFO
@@ -661,12 +661,58 @@ namespace LibIRD
{
// Parse PARAM.SFO file
ParamSFO paramSFO = new(s);
// If PS3_DISC.SFB did not set TitleID, use PARAM.SFO TITLE_ID
TitleID ??= paramSFO.Field["TITLE_ID"];
Title = paramSFO.Field["TITLE"];
// If PS3_DISC.SFB did not set DiscVersion, use PARAM.SFO VERSION
DiscVersion ??= paramSFO.Field["VERSION"];
AppVersion = paramSFO.Field["APP_VER"];
if (TitleID != null)
{
bool titleIDFound = paramSFO.Field.TryGetValue("TITLE_ID", out string titleID);
if (titleIDFound)
{
if (titleID.Length == 9)
TitleID = titleID;
else
TitleID = titleID.PadRight(9, '\0')[..9];
}
else
{
TitleID = "\0\0\0\0\0\0\0\0\0";
}
}
// Try use Title from PARAM.SFO
bool titleFound = paramSFO.Field.TryGetValue("TITLE", out string title);
Title = titleFound ? title : String.Empty;
// If PS3_DISC.SFB did not set DiscVersion, try use PARAM.SFO VERSION
if (DiscVersion != null)
{
bool discVersionFound = paramSFO.Field.TryGetValue("VERSION", out string discVersion);
if (discVersionFound)
{
if (discVersion.Length == 5)
DiscVersion = discVersion;
else
DiscVersion = discVersion.PadRight(5, '\0')[..5];
}
else
{
DiscVersion = "\0\0\0\0\0";
}
}
// Try use App Version from PARAM.SFO
bool appVersionFound = paramSFO.Field.TryGetValue("APP_VER", out string appVersion);
if (appVersionFound)
{
if (appVersion.Length == 5)
AppVersion = appVersion;
else
AppVersion = appVersion.PadRight(5, '\0')[..5];
}
else
{
AppVersion = "\0\0\0\0\0";
}
}
// Determine system update version