mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-18 20:05:52 +01:00
400 lines
9.0 KiB
C++
400 lines
9.0 KiB
C++
#include "mldbApi.h"
|
|
#include "main.h"
|
|
#include <strsafe.h>
|
|
|
|
itemRecordW *MLDBAPI::GetFile(const wchar_t *filename)
|
|
{
|
|
itemRecordW *result = 0;
|
|
if (filename)
|
|
{
|
|
openDb(); // just in case it's not opened yet (this function will return immediately if it's already open)
|
|
if (g_table)
|
|
{
|
|
EnterCriticalSection(&g_db_cs);
|
|
nde_scanner_t s = NDE_Table_CreateScanner(g_table);
|
|
|
|
if (s)
|
|
{
|
|
if (NDE_Scanner_LocateFilename(s, MAINTABLE_ID_FILENAME, FIRST_RECORD, filename))
|
|
{
|
|
nde_field_t f = NDE_Scanner_GetFieldByID(s, MAINTABLE_ID_FILENAME);
|
|
if (f)
|
|
{
|
|
result = (itemRecordW *)_aligned_malloc(sizeof(itemRecordW), 16);
|
|
if (result)
|
|
{
|
|
result->filename = NDE_StringField_GetString(f);
|
|
ndestring_retain(result->filename);
|
|
ScannerRefToObjCacheNFNW(s, result, true);
|
|
}
|
|
}
|
|
}
|
|
NDE_Table_DestroyScanner(g_table, s);
|
|
}
|
|
LeaveCriticalSection(&g_db_cs);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
itemRecordW *MLDBAPI::GetFileIf(const wchar_t *filename, const wchar_t *query)
|
|
{
|
|
itemRecordW *result = 0;
|
|
if (filename)
|
|
{
|
|
openDb(); // just in case it's not opened yet (this function will return immediately if it's already open)
|
|
if (g_table)
|
|
{
|
|
EnterCriticalSection(&g_db_cs);
|
|
nde_scanner_t s = NDE_Table_CreateScanner(g_table);
|
|
|
|
if (s)
|
|
{
|
|
NDE_Scanner_Query(s, query);
|
|
if (NDE_Scanner_LocateFilename(s, MAINTABLE_ID_FILENAME, FIRST_RECORD, filename))
|
|
{
|
|
nde_field_t f = NDE_Scanner_GetFieldByID(s, MAINTABLE_ID_FILENAME);
|
|
if (f)
|
|
{
|
|
result = (itemRecordW *)_aligned_malloc(sizeof(itemRecordW), 16);
|
|
if (result)
|
|
{
|
|
result->filename = NDE_StringField_GetString(f);
|
|
ndestring_retain(result->filename);
|
|
ScannerRefToObjCacheNFNW(s, result, true);
|
|
}
|
|
}
|
|
}
|
|
NDE_Table_DestroyScanner(g_table, s);
|
|
}
|
|
LeaveCriticalSection(&g_db_cs);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
itemRecordListW *MLDBAPI::GetAlbum(const wchar_t *albumname, const wchar_t *albumartist)
|
|
{
|
|
wchar_t query[4096] = {0}; // hope it's big enough
|
|
if (albumartist && albumname)
|
|
{
|
|
StringCchPrintfW(query, 4096, L"((albumartist isempty and artist=\"%s\") or albumartist=\"%s\") and album=\"%s\"", albumartist, albumartist, albumname);
|
|
return Query(query);
|
|
}
|
|
else if (albumname)
|
|
{
|
|
StringCchPrintfW(query, 4096, L"album=\"%s\"", albumname);
|
|
return Query(query);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
itemRecordListW *MLDBAPI::Query(const wchar_t *query)
|
|
{
|
|
itemRecordListW *result = 0;
|
|
|
|
if (query)
|
|
{
|
|
openDb(); // just in case it's not opened yet (this function will return immediately if it's already open)
|
|
if (g_table)
|
|
{
|
|
EnterCriticalSection(&g_db_cs);
|
|
nde_scanner_t s = NDE_Table_CreateScanner(g_table);
|
|
if (s)
|
|
{
|
|
NDE_Scanner_Query(s, query);
|
|
NDE_Scanner_First(s);
|
|
|
|
do
|
|
{
|
|
nde_field_t f = NDE_Scanner_GetFieldByID(s, MAINTABLE_ID_FILENAME);
|
|
if (!f) break;
|
|
|
|
if (!result)
|
|
result = (itemRecordListW *)calloc(1, sizeof(itemRecordListW));
|
|
|
|
if (!result)
|
|
break;
|
|
|
|
allocRecordList(result, result->Size + 1);
|
|
if (!result->Alloc) break;
|
|
|
|
result->Items[result->Size].filename = NDE_StringField_GetString(f);
|
|
ndestring_retain(result->Items[result->Size].filename);
|
|
ScannerRefToObjCacheNFNW(s, result, true);
|
|
}
|
|
while (NDE_Scanner_Next(s));
|
|
|
|
NDE_Table_DestroyScanner(g_table, s);
|
|
}
|
|
LeaveCriticalSection(&g_db_cs);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
itemRecordListW *MLDBAPI::QueryLimit(const wchar_t *query, unsigned int limit)
|
|
{
|
|
itemRecordListW *result = 0;
|
|
if (limit == 0)
|
|
return 0;
|
|
if (query)
|
|
{
|
|
openDb(); // just in case it's not opened yet (this function will return immediately if it's already open)
|
|
if (g_table)
|
|
{
|
|
EnterCriticalSection(&g_db_cs);
|
|
nde_scanner_t s = NDE_Table_CreateScanner(g_table);
|
|
if (s)
|
|
{
|
|
NDE_Scanner_Query(s, query);
|
|
NDE_Scanner_First(s);
|
|
|
|
do
|
|
{
|
|
nde_field_t f = NDE_Scanner_GetFieldByID(s, MAINTABLE_ID_FILENAME);
|
|
if (!f) break;
|
|
|
|
if (!result)
|
|
{
|
|
result = (itemRecordListW *)calloc(1, sizeof(itemRecordListW));
|
|
if (!result)
|
|
break;
|
|
|
|
allocRecordList(result, limit);
|
|
if (!result->Alloc)
|
|
break;
|
|
}
|
|
|
|
result->Items[result->Size].filename = NDE_StringField_GetString(f);
|
|
ndestring_retain(result->Items[result->Size].filename);
|
|
ScannerRefToObjCacheNFNW(s, result, true);
|
|
}
|
|
while (result->Size < (int)limit && NDE_Scanner_Next(s));
|
|
|
|
NDE_Table_DestroyScanner(g_table, s);
|
|
}
|
|
LeaveCriticalSection(&g_db_cs);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void MLDBAPI::FreeRecord(itemRecordW *record)
|
|
{
|
|
freeRecord(record);
|
|
}
|
|
|
|
void MLDBAPI::FreeRecordList(itemRecordListW *recordList)
|
|
{
|
|
freeRecordList(recordList);
|
|
}
|
|
|
|
bool FindFileInDB(nde_scanner_t s, const wchar_t *filename);
|
|
void MLDBAPI::SetField(const wchar_t *filename, const char *field, const wchar_t *value)
|
|
{
|
|
openDb();
|
|
if (g_table)
|
|
{
|
|
EnterCriticalSection(&g_db_cs);
|
|
nde_scanner_t s = NDE_Table_CreateScanner(g_table);
|
|
if (s)
|
|
{
|
|
if (FindFileInDB(s, filename))
|
|
{
|
|
if (value && value[0])
|
|
{
|
|
NDE_Scanner_Edit(s);
|
|
nde_field_t f = NDE_Scanner_GetFieldByName(s, field);
|
|
if (!f)
|
|
f=NDE_Scanner_NewFieldByName(s, field);
|
|
|
|
if (f)
|
|
NDE_StringField_SetString(f, value);
|
|
}
|
|
else
|
|
{
|
|
nde_field_t f = NDE_Scanner_GetFieldByName(s, field);
|
|
if (f)
|
|
NDE_Scanner_DeleteField(s, f);
|
|
}
|
|
NDE_Scanner_Post(s);
|
|
g_table_dirty++;
|
|
}
|
|
NDE_Table_DestroyScanner(g_table, s);
|
|
}
|
|
LeaveCriticalSection(&g_db_cs);
|
|
}
|
|
}
|
|
|
|
void MLDBAPI::SetFieldInteger(const wchar_t *filename, const char *field, int value)
|
|
{
|
|
openDb();
|
|
if (g_table)
|
|
{
|
|
EnterCriticalSection(&g_db_cs);
|
|
nde_scanner_t s = NDE_Table_CreateScanner(g_table);
|
|
if (s)
|
|
{
|
|
if (FindFileInDB(s, filename))
|
|
{
|
|
NDE_Scanner_Edit(s);
|
|
nde_field_t f = NDE_Scanner_GetFieldByName(s, field);
|
|
if (!f)
|
|
f=NDE_Scanner_NewFieldByName(s, field);
|
|
|
|
if (f)
|
|
NDE_IntegerField_SetValue(f, value);
|
|
|
|
NDE_Scanner_Post(s);
|
|
g_table_dirty++;
|
|
}
|
|
NDE_Table_DestroyScanner(g_table, s);
|
|
}
|
|
LeaveCriticalSection(&g_db_cs);
|
|
}
|
|
}
|
|
|
|
void MLDBAPI::SetFieldInt128(const wchar_t *filename, const char *field, uint8_t value[16])
|
|
{
|
|
openDb();
|
|
if (g_table)
|
|
{
|
|
EnterCriticalSection(&g_db_cs);
|
|
nde_scanner_t s = NDE_Table_CreateScanner(g_table);
|
|
if (s)
|
|
{
|
|
if (FindFileInDB(s, filename))
|
|
{
|
|
if (value)
|
|
{
|
|
NDE_Scanner_Edit(s);
|
|
nde_field_t f = NDE_Scanner_GetFieldByName(s, field);
|
|
if (!f)
|
|
f=NDE_Scanner_NewFieldByName(s, field);
|
|
|
|
if (f)
|
|
NDE_Int128Field_SetValue(f, value);
|
|
}
|
|
else
|
|
{
|
|
nde_field_t f = NDE_Scanner_GetFieldByName(s, field);
|
|
if (f)
|
|
NDE_Scanner_DeleteField(s, f);
|
|
}
|
|
NDE_Scanner_Post(s);
|
|
g_table_dirty++;
|
|
}
|
|
NDE_Table_DestroyScanner(g_table, s);
|
|
}
|
|
LeaveCriticalSection(&g_db_cs);
|
|
}
|
|
}
|
|
|
|
void MLDBAPI::Sync()
|
|
{
|
|
openDb();
|
|
if (g_table)
|
|
{
|
|
EnterCriticalSection(&g_db_cs);
|
|
NDE_Table_Sync(g_table);
|
|
g_table_dirty=0;
|
|
LeaveCriticalSection(&g_db_cs);
|
|
}
|
|
}
|
|
|
|
int MLDBAPI::AddFile(const wchar_t *filename)
|
|
{
|
|
int guess = g_config->ReadInt(L"guessmode", 0);
|
|
int meta = g_config->ReadInt(L"usemetadata", 1);
|
|
return addFileToDb(filename, 0, meta, guess);
|
|
}
|
|
|
|
int MLDBAPI::RemoveFile(const wchar_t *filename)
|
|
{
|
|
return RemoveFileFromDB(filename);
|
|
}
|
|
|
|
void MLDBAPI::RetainString(wchar_t *str)
|
|
{
|
|
ndestring_retain(str);
|
|
}
|
|
|
|
void MLDBAPI::ReleaseString(wchar_t *str)
|
|
{
|
|
ndestring_release(str);
|
|
}
|
|
|
|
wchar_t *MLDBAPI::DuplicateString(const wchar_t *str)
|
|
{
|
|
return ndestring_wcsdup(str);
|
|
}
|
|
|
|
int MLDBAPI::GetMaxInteger(const char *field, int *max)
|
|
{
|
|
openDb();
|
|
if (!g_table)
|
|
return 1;
|
|
|
|
EnterCriticalSection(&g_db_cs);
|
|
nde_field_t f = NDE_Table_GetColumnByName(g_table, field);
|
|
if (!f)
|
|
{
|
|
LeaveCriticalSection(&g_db_cs);
|
|
return 1;
|
|
}
|
|
|
|
unsigned char field_id = NDE_ColumnField_GetFieldID(f);
|
|
nde_scanner_t s = NDE_Table_CreateScanner(g_table);
|
|
if (s)
|
|
{
|
|
int maximum_so_far=0;
|
|
NDE_Scanner_Query(s, L"");
|
|
NDE_Scanner_First(s);
|
|
do
|
|
{
|
|
nde_field_t f = NDE_Scanner_GetFieldByID(s, field_id);
|
|
if (f)
|
|
{
|
|
int this_value = NDE_IntegerField_GetValue(f);
|
|
if (this_value > maximum_so_far)
|
|
maximum_so_far = this_value;
|
|
}
|
|
|
|
} while (NDE_Scanner_Next(s) && !NDE_Scanner_EOF(s));
|
|
|
|
NDE_Table_DestroyScanner(g_table, s);
|
|
*max=maximum_so_far;
|
|
LeaveCriticalSection(&g_db_cs);
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
LeaveCriticalSection(&g_db_cs);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
#define CBCLASS MLDBAPI
|
|
START_DISPATCH;
|
|
CB(API_MLDB_GETFILE, GetFile)
|
|
CB(API_MLDB_GETFILEIF, GetFileIf)
|
|
CB(API_MLDB_GETALBUM, GetAlbum)
|
|
CB(API_MLDB_QUERY, Query)
|
|
CB(API_MLDB_QUERYLIMIT, QueryLimit)
|
|
VCB(API_MLDB_FREERECORD, FreeRecord)
|
|
VCB(API_MLDB_FREERECORDLIST, FreeRecordList)
|
|
VCB(API_MLDB_SETFIELD, SetField)
|
|
VCB(API_MLDB_SETFIELDINT, SetFieldInteger)
|
|
VCB(API_MLDB_SETFIELDINT128, SetFieldInt128)
|
|
VCB(API_MLDB_SYNC, Sync)
|
|
CB(API_MLDB_ADDFILE, AddFile)
|
|
CB(API_MLDB_REMOVEFILE, RemoveFile)
|
|
VCB(API_MLDB_RETAINSTRING, RetainString)
|
|
VCB(API_MLDB_RELEASESTRING, ReleaseString)
|
|
CB(API_MLDB_DUPLICATESTRING, DuplicateString)
|
|
CB(API_MLDB_GETMAXINTEGER, GetMaxInteger)
|
|
END_DISPATCH;
|
|
#undef CBCLASS
|
|
|