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