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winamp/Src/Plugins/Library/ml_transcode/replaceVars.cpp
2024-09-24 14:54:57 +02:00

317 lines
6.9 KiB
C++

#include <windows.h>
#include <ctype.h>
#include <string.h>
#include "..\..\General\gen_ml/ml.h"
#include <shlwapi.h>
#include <strsafe.h>
static void removebadchars(wchar_t *s, wchar_t *&end, size_t &str_size)
{
const wchar_t *start = s;
while (s && *s)
{
if (*s == L'?' || *s == L'/' || *s == L'\\' || *s == L':' || *s == L'*' || *s == L'\"' || *s == L'<' || *s == L'>' || *s == L'|')
*s = L'_';
s = CharNextW(s);
}
// cut off trailing periods
if (s != start)
{
do
{
s--;
if (*s == '.')
{
*s = '_';
end--;
str_size++;
}
else
break;
}
while (s != start);
}
}
void RecursiveCreateDirectory(wchar_t *str)
{
wchar_t *p = str;
if ((p[0] ==L'\\' || p[0] ==L'/') && (p[1] ==L'\\' || p[1] ==L'/'))
{
p += 2;
while (p &&*p && *p !=L'\\' && *p !=L'/') p++;
if (!p || !*p) return ;
p++;
while (p && *p && *p !=L'\\' && *p !=L'/') p++;
}
else
{
while (p && *p && *p !=L'\\' && *p !=L'/') p++;
}
while (p && *p)
{
while (p && *p && *p !=L'\\' && *p !=L'/') p = CharNextW(p);
if (p && *p)
{
wchar_t lp = *p;
*p = 0;
CreateDirectoryW(str, NULL);
*p++ = lp;
}
}
}
void FixFileLength(wchar_t *str)
{
size_t len = wcslen(str);
if (len >= MAX_PATH) // no good
{
size_t extensionPosition=len;
while (extensionPosition--)
{
if (str[extensionPosition]=='.' || str[extensionPosition] == '/' || str[extensionPosition] == '\\')
break;
}
if (str[extensionPosition]=='.') // found an extension? good, let's relocate it
{
ptrdiff_t diff = len - extensionPosition;
diff++;
while (diff)
{
str[MAX_PATH-diff]=str[len-diff+1];
diff--;
}
}
str[MAX_PATH-1]=0;
}
}
static void ADD_STR(const wchar_t *x, wchar_t *&outp, size_t &str_size)
{
wchar_t *end = outp;
StringCchCopyExW(outp, str_size, (x) ? (x) : L"", &end, &str_size, 0);
removebadchars(outp, end, str_size);
outp = end;
}
static void ADD_STR_U(const wchar_t *x, wchar_t *&outp, size_t &str_size)
{
wchar_t *end = outp;
StringCchCopyExW(outp, str_size, (x) ? (x) : L"", &end, &str_size, 0);
removebadchars(outp, end, str_size);
CharUpperW(outp);
outp = end;
}
static void ADD_STR_L(const wchar_t *x, wchar_t *&outp, size_t &str_size)
{
wchar_t *end = outp;
StringCchCopyExW(outp, str_size, (x)?(x):L"", &end, &str_size,0);
removebadchars(outp, end, str_size);
CharLowerW(outp);
outp=end;
}
// FixReplacementVars: replaces <Artist>, <Title>, <Album>, and #, ##, ##, with appropriate data
wchar_t *FixReplacementVars(wchar_t *str, size_t str_size, itemRecordW * song)
{
wchar_t tmpsrc[4096] = {0};
lstrcpyn(tmpsrc,str,sizeof(tmpsrc)/sizeof(wchar_t)); //lstrcpyn is nice enough to make sure it's null terminated.
wchar_t *inp = tmpsrc;
wchar_t *outp = str;
while (inp && *inp && str_size)
{
if (*inp == L'<')
{
if (!wcsncmp(inp,L"<TITLE>",7))
{
ADD_STR_U(song->title, outp, str_size);
inp+=7;
}
else if (!wcsncmp(inp,L"<title>",7))
{
ADD_STR_L(song->title, outp, str_size);
inp+=7;
}
else if (!_wcsnicmp(inp,L"<Title>",7))
{
ADD_STR(song->title, outp, str_size);
inp+=7;
}
else if (!wcsncmp(inp,L"<ALBUM>",7))
{
ADD_STR_U(song->album, outp, str_size);
inp+=7;
}
else if (!wcsncmp(inp,L"<album>",7))
{
ADD_STR_L(song->album, outp, str_size);
inp+=7;
}
else if (!_wcsnicmp(inp,L"<Album>",7))
{
ADD_STR(song->album, outp, str_size);
inp+=7;
}
else if (!wcsncmp(inp,L"<GENRE>",7))
{
ADD_STR_U(song->genre, outp, str_size);
inp+=7;
}
else if (!wcsncmp(inp,L"<genre>",7))
{
ADD_STR_L(song->genre, outp, str_size);
inp+=7;
}
else if (!_wcsnicmp(inp,L"<Genre>",7))
{
ADD_STR(song->genre, outp, str_size);
inp+=7;
}
else if (!wcsncmp(inp,L"<ARTIST>",8))
{
ADD_STR_U(song->artist, outp, str_size);
inp+=8;
}
else if (!wcsncmp(inp,L"<artist>",8))
{
ADD_STR_L(song->artist, outp, str_size);
inp+=8;
}
else if (!_wcsnicmp(inp,L"<Artist>",8))
{
ADD_STR(song->artist, outp, str_size);
inp+=8;
}
else if (!wcsncmp(inp,L"<ALBUMARTIST>",13))
{
if (song->albumartist && song->albumartist[0])
ADD_STR_U(song->albumartist, outp, str_size);
else
ADD_STR_U(song->artist, outp, str_size);
inp+=13;
}
else if (!wcsncmp(inp,L"<albumartist>",13))
{
if (song->albumartist && song->albumartist[0])
ADD_STR_L(song->albumartist, outp, str_size);
else
ADD_STR_L(song->artist, outp, str_size);
inp+=13;
}
else if (!_wcsnicmp(inp,L"<Albumartist>",13))
{
if (song->albumartist && song->albumartist[0])
ADD_STR(song->albumartist, outp, str_size);
else
ADD_STR(song->artist, outp, str_size);
inp+=13;
}
else if (!_wcsnicmp(inp,L"<year>",6))
{
wchar_t year[64] = {0};
if(song->year==0) year[0]=0;
else StringCchPrintf(year, 64, L"%d", song->year);
ADD_STR(year, outp, str_size);
inp+=6;
}
else if (!_wcsnicmp(inp,L"<disc>",6))
{
wchar_t disc[16] = {0};
if(song->disc==0) disc[0]=0;
else StringCchPrintf(disc, 16, L"%d", song->disc);
ADD_STR(disc, outp, str_size);
inp+=6;
}
else if (!_wcsnicmp(inp,L"<discs>",7))
{
wchar_t discs[32] = {0};
if(song->disc==0) discs[0]=0;
else StringCchPrintf(discs, 32, L"%d", song->discs);
ADD_STR(discs, outp, str_size);
inp+=7;
}
else if(!_wcsnicmp(inp,L"<filename>",10))
{
wchar_t *fn = _wcsdup(PathFindFileName(song->filename));
const wchar_t *insert;
if (NULL != fn &&
FALSE != PathIsFileSpec(fn))
{
PathRemoveExtension(fn);
insert = fn;
}
else
insert = NULL;
if (NULL == insert || L'\0' == *insert)
insert = L"<filename>";
ADD_STR(insert, outp, str_size);
free(fn);
inp+=10;
}
else *outp++=*inp++;
}
else if (*inp == '#')
{
int nd = 0;
wchar_t tmp[64] = {0};
while (inp && *inp =='#') nd++,inp++;
if (!song->track)
{
tmp[0] = 0;
while (inp && *inp == ' ') inp++;
if (inp && (*inp == '-' || *inp == '.' || *inp == '_')) // separator
{
inp++;
while (inp && *inp == ' ') inp++;
}
}
else
{
if (nd > 1)
{
wchar_t tmp2[32] = {0};
if (nd > 5) nd=5;
StringCchPrintf(tmp2, 32, L"%%%02dd",nd);
StringCchPrintf(tmp, 64, tmp2,song->track);
}
else StringCchPrintf(tmp, 64, L"%d", song->track);
}
ADD_STR(tmp, outp, str_size);
}
else *outp++ = *inp++;
}
if (outp) *outp = 0;
inp = str;
outp = str;
wchar_t lastc=0;
while (inp && *inp)
{
wchar_t c=*inp++;
if (c == '\t') c=' ';
if (c == ' ' && (lastc == ' ' || lastc == '\\' || lastc == '/')) continue; // ignore space after slash, or another space
if ((c == '\\' || c == '/') && lastc == ' ') outp--; // if we have a space then slash, back up to write the slash where the space was
*outp++ = c;
lastc = c;
}
if (outp) *outp=0;
#undef ADD_STR
#undef ADD_STR_L
#undef ADD_STR_U
return(str);
}