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split off GetCommonTagFromMapList

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This commit is contained in:
Glenn Maynard
2004-11-13 22:23:51 +00:00
parent eeb0ac35fb
commit f7617415e6
2 changed files with 32 additions and 38 deletions
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stepmania/src/NotesLoaderBMS.cpp
+30 -37
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@@ -559,6 +559,30 @@ bool BMSLoader::GetTagFromMap( const NameToData_t &mapNameToData, const CString
return true;
}
/* Finds the longest common match for the given tag in all files. If the given tag
* was found in at least one file, returns true; otherwise returns false. */
bool BMSLoader::GetCommonTagFromMapList( const vector<NameToData_t> &aBMSData, const CString &sName, CString &sCommonTag )
{
bool bFoundOne = false;
for( unsigned i=0; i < aBMSData.size(); i++ )
{
CString sTag;
if( !GetTagFromMap( aBMSData[i], sName, sTag ) )
continue;
LOG->Trace("foo: '%s'", sTag.c_str());
if( !bFoundOne )
{
bFoundOne = true;
sCommonTag = sTag;
}
else
sCommonTag = FindLargestInitialSubstring( sCommonTag, sTag );
}
return bFoundOne;
}
enum
{
BMS_TRACK_TIME_SIG = 2,
@@ -839,47 +863,16 @@ bool BMSLoader::LoadFromDir( CString sDir, Song &out )
ReadBMSFile( out.GetSongDir() + arrayBMSFileNames[i], aBMSData.back() );
}
// Compare titles. find the "real" title, which is then used to find the substring
// specific to the sequence. This doesn't work for all songs, but
// is one hell of a lot more accurate than what we do otherwise, and anyway, this
// covers 90% of examples I've seen.
// The advantage of this is it doesn't butcher titles like "HYPER EUROBEAT (2DX style)"
// and "I Was The One (80's EUROBEAT STYLE)"
CString commonSubstring = "";
CString commonSubstring;
GetCommonTagFromMapList( aBMSData, "#title", commonSubstring );
// Give it a (probably wrong) initial setting, so that it's longer than what the
// real substring is.
// Let's be absolutely sure we get a value!
for( unsigned i=0; i < aBMSData.size(); i++ )
if( commonSubstring == "" )
{
if( GetTagFromMap( aBMSData[i], "#title", commonSubstring ) )
{
// This whole loop usually only runs once,
// but the less we assume, the better.
break;
}
// All bets are off; the titles don't match at all.
// At this rate we're lucky if we even get the title right.
LOG->Warn("BMS files in %s have inconsistent titles", sDir.c_str() );
}
if( aBMSData.size() >= 2 )
{
for( unsigned i=0; i < aBMSData.size(); i++ )
{
CString sTitle;
if( !GetTagFromMap( aBMSData[i], "#title", sTitle ) )
continue;
commonSubstring = FindLargestInitialSubstring( commonSubstring, sTitle );
if( commonSubstring == "" )
{
// All bets are off; the titles don't match at all.
// At this rate we're lucky if we even get the title right.
LOG->Warn("BMS files in %s have inconsistent titles", sDir.c_str() );
break;
}
}
}
// Yay, we have our substring. (something like "LION SUKI")
/* Create a Steps for each. */
vector<Steps*> apSteps;
for( unsigned i=0; i<arrayBMSFileNames.size(); i++ )