Initial community commit

Src/Plugins/Library/ml_local/guess.cpp

@@ -0,0 +1,122 @@
+#include <string.h>
+#include <memory.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <windows.h>
+
+wchar_t *guessTitles(const wchar_t *filename,
+					 int *tracknum,
+					 wchar_t **artist,
+					 wchar_t **album,
+					 wchar_t **title) // should free the result of this function after using artist/album/title
+{
+	*tracknum=0;
+	*artist=0;
+	*album=0;
+	*title=0;
+
+	if (!filename[0]) return 0;
+
+	wchar_t *_artist=NULL;
+	wchar_t *_album=NULL;
+  
+	const wchar_t *f=filename;
+	while (f && *f) f++;
+	while (f && (f > filename) && *f != L'/' && *f != L'\\') f--;
+
+	if (f == filename) return 0;
+
+	int dirlen = f-filename;
+
+	wchar_t *fullfn = (wchar_t*)_wcsdup(filename);
+	fullfn[dirlen]=0;
+
+	wchar_t *n=fullfn+dirlen;
+	while (n >= fullfn && *n != L'/' && *n != L'\\') n--;
+	n++;
+
+	// try to guess artist and album from the dirname
+	if (!wcsstr(n,L"-")) // assume dir name is album name, artist name unknown
+	{
+		*album=n;
+		_album=n;
+	}
+	else 
+	{
+		*artist=_artist=n;
+		_album=wcsstr(n,L"-")+1;
+		wchar_t *t=_album-2;
+		while (t >= n && *t == L' ') t--;
+		t[1]=0;
+
+		while (_album && *_album == L' ') _album++;
+		*album=_album;
+	}
+
+	// get filename shizit
+	wcsncpy(fullfn+dirlen+1,filename+dirlen+1,wcslen(filename) - (dirlen + 1));
+
+	n=fullfn+dirlen+1;
+	while (n && *n) n++;
+	while (n > fullfn+dirlen+1 && *n != L'.') n--;
+	if (*n == L'.') *n=0;
+	n=fullfn+dirlen+1;
+
+	while (n && *n == L' ') n++;
+
+	// detect XX. filename
+	if (wcsstr(n,L".") && _wtoi(n) && _wtoi(n) < 130)
+	{
+		wchar_t *tmp=n;
+		while (tmp && *tmp >= L'0' && *tmp <= L'9') tmp++;
+		while (tmp && *tmp == L' ') tmp++;
+		if (tmp && *tmp == L'.') 
+		{ 
+			*tracknum=_wtoi(n); 
+			n=tmp+1; 
+			while (n && *n == L'.') n++;
+			while (n && *n == L' ') n++;
+		}
+	}
+
+	// detect XX- filename
+	if (!*tracknum && wcsstr(n,L"-") && _wtoi(n) && _wtoi(n) < 130)
+	{
+		wchar_t *tmp=n;
+		while (tmp && *tmp >= L'0' && *tmp <= L'9') tmp++;
+		while (tmp && *tmp == L' ') tmp++;
+		if (tmp && *tmp == L'-') 
+		{ 
+			*tracknum=_wtoi(n); 
+			n=tmp+1; 
+			while (n && *n == L'-') n++;
+			while (n && *n == L' ') n++;
+		}
+	}
+ 
+	while (wcsstr(n,L"-"))
+	{
+		wchar_t *a=n;
+		n=wcsstr(n,L"-");
+		{
+			wchar_t *t=n-1;
+			while (t >= a && *t == L' ') t--;
+			t[1]=0;
+		}
+		*n=0;
+		n++;
+		while (n && *n == L'-') n++;
+		while (n && *n == L' ') n++;
+
+		// a is the next token.
+		if (!*tracknum && !_wcsnicmp(a,L"Track ",6) && _wtoi(a+6)) *tracknum=_wtoi(a+6);
+		else if (*artist== _artist)
+		{
+			*artist=a;
+		}
+		if (*artist != _artist && *tracknum) break;
+	}
+	*title=n;
+   
+	return fullfn;  
+}