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DiscAnalyzer.cpp
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DiscAnalyzer.cpp
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//---------------------------------------------------------------------------
/*
Gdybym nie wiedzial co robic:
RemoveEquPartsOfNamesInChildren
RemoveMultipleChars (w FXProcs)
FldrNameAnalist
FileBodyAnalist
i wiele innych...
*/
#include <vcl.h>
#pragma hdrstop
#include "DiscAnalyzer.h"
#pragma package(smart_init)
//---------------------------------------------------------------------------
__fastcall TDiscAnalyzer::TDiscAnalyzer(TSynchronizer* nSynchronizer)
: TPersistent()
//Konstruktor klasy
{
Terminate=false;
Synchronizer=nSynchronizer;
DynamicStruct=new TDynamicStruct();
InpMpeg=new InputFileMPEG();
if (Synchronizer==NULL) return;
EnableBodyAnalyst=Synchronizer->AnalyzerEnBody->Checked;
}
//---------------------------------------------------------------------------
__fastcall TDiscAnalyzer::~TDiscAnalyzer(void)
//Czysci wszystko i usuwa strukture
{
__try
{
delete DynamicStruct;
delete InpMpeg;
Synchronizer=NULL;
}
__finally
{
};
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::AnalyzeDrive(System::TObject* Sender, AnsiString DriveRoot)
//Glówna funkcja analizuj¹ca
{
if (Synchronizer==NULL) return false;
Synchronizer->UpdateStatusBar("Rozpoczynam analizê dysku...");
RootDir=DriveRoot;
if (AnalyzeRootDir(Sender))
__try
{
if (Terminate) return false;
OptimizeStructure(Sender);
Synchronizer->UpdateStatusBar("Analiza zakoñczona.");
return true;
}
__except(EXCEPTION_EXECUTE_HANDLER) {};
Synchronizer->UpdateStatusBar("Analiza nie powiod³a siê.");
return false;
}
//---------------------------------------------------------------------------
unsigned int __fastcall TDiscAnalyzer::GetFromBufLittleEndianDWord(char *Buf, unsigned int Index)
//Pobiera liczbe DWORD z bufora
{
return (((unsigned char)(Buf[Index+3]))<<24)| (((unsigned char)(Buf[Index+2]))<<16)|((unsigned char)(Buf[Index+1])<<8)|(unsigned char)(Buf[Index]);
}
//---------------------------------------------------------------------------
Word __fastcall TDiscAnalyzer::GetFromBufLittleEndianWord(char *Buf, unsigned Index)
//Pobiera liczbe WORD z bufora
{
return (((unsigned char)(Buf[Index+1])) << 8)+(unsigned char)(Buf[Index]);
}
//---------------------------------------------------------------------------
unsigned int __fastcall TDiscAnalyzer::GetFromBufBigEndianDWord(char *Buf, unsigned int Index)
//Pobiera liczbe DWORD z bufora
{
return (((unsigned char)(Buf[Index]))<<24)| (((unsigned char)(Buf[Index+1]))<<16)|((unsigned char)(Buf[Index+2])<<8)|(unsigned char)(Buf[Index+3]);
}
//---------------------------------------------------------------------------
Word __fastcall TDiscAnalyzer::GetFromBufBigEndianWord(char *Buf, unsigned Index)
//Pobiera liczbe WORD z bufora
{
return (((unsigned char)(Buf[Index])) << 8)+(unsigned char)(Buf[Index+1]);
}
//---------------------------------------------------------------------------
AnsiString __fastcall TDiscAnalyzer::IdentifyACMCodec(Word identWord)
{
switch (identWord)
{
case 0x0001:return "PCM";
case 0x0007:return "CCITT";
case 0x0101:return "IBM mu-Law";
case 0x0102:return "IBM a-Law";
case 0x0103:return "IBM ADPCM";
case 0x0055:return "Layer-3";
case 0x2000:return "AC3";
case 0x0011:return "Ms ADPCM";
case 0x0031:return "GSM";
case 0x0161:return "WMA";
default:return "unknSnd"+IntToHex(identWord,4);
};
}
//---------------------------------------------------------------------------
ReplacePosition __fastcall TDiscAnalyzer::ShouldBeReplaced(PSearchRecList Entry)
// Okreœla, czy dany element powinien zmieniæ po³orzenie
//i gdzie nale¿y go umieœciæ
{
return rpNone;
}
//---------------------------------------------------------------------------
void __fastcall TDiscAnalyzer::MakeReplacementsIn(PSearchRecList Entry)
//Zmienia po³o¿enie objektów w podstrukturze podanej
// parametrem. Co trzeba przenosi do g³ównego drzewa
// lub do okreœlonych kategorii.
{
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::FileBodyAnalist(TSearchRecList *Entry)
{
TFileStream *FileData;
char *FileStartPtr;
String EntryPath;
if ((Entry->F.Size<2)||(!EnableBodyAnalyst))
{
Entry->BodyAnalist.Probability=0;
return true;
};
FileStartPtr=(char *)malloc(FileBodyHeaderSize);
__try
{
EntryPath=Entry->Path;
if (EntryPath=="") EntryPath=RootDir;
FileData=new TFileStream(EntryPath+'\\'+Entry->F.Name,fmOpenRead|fmShareDenyNone);
// odczytujemy pierwsze bajty pliku
FileData->ReadBuffer(FileStartPtr,min(FileBodyHeaderSize,Entry->F.Size));
delete FileData;
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
Entry->BodyAnalist.Probability=0;
return false;
};
// wczytane - pora na rozpoznawanie
__try
{
if (!RecognizedArchiveStart(Entry,FileStartPtr))
if (!RecognizedBitmapStart(Entry,FileStartPtr))
if (!RecognizedTiffStart(Entry,FileStartPtr))
if (!RecognizedRiffStart(Entry,FileStartPtr))
if (!RecognizedVideoStart(Entry,FileStartPtr))
if (!RecognizedMpegStart(Entry,FileStartPtr))
if (!Recognized3DDataStart(Entry,FileStartPtr))
if (!RecognizedVectGraphStart(Entry,FileStartPtr))
if (!RecognizedExeCodeStart(Entry,FileStartPtr))
if (!RecognizedMusicStart(Entry,FileStartPtr))
{
Entry->BodyAnalist.Probability=0;
};
}
__except(EXCEPTION_EXECUTE_HANDLER)
{//Taki b³¹d NIE MO¯E siê zdarzyæ, bo to NA PEWNO mój b³¹d
Entry->BodyAnalist.Probability=999;
Entry->BodyAnalist.DescBefore="WYJ¥TEK PODCZAS REKOGNIZACJI!!!";
};
free(FileStartPtr);
return true;
}
//---------------------------------------------------------------------------
//===========================================
// Na razie nie zajmowac sie przenoszeniem
// Najpierw zrobic nazywanie wpisów
void __fastcall TDiscAnalyzer::MakeReplacements()
//Ogl¹da ca³¹ strukturê i zmienia po³o¿enie
// elementów, które wydaj¹ siê byæ nie na miejscu.
// Kategorie przenosi do g³ównego drzewa, itemy
// z g³ównego drzewa do którejœ kategorii
{
uint HasStdKatStructure;//Prawdopodobieñstwo ¿e CD ma strukturê "Kategoriow¹"
uint HasNotStdKatStructure;//i prawdopodobieñstwo ¿e nie ma
HasStdKatStructure=0;
HasNotStdKatStructure=0;
ShouldBeReplaced(NULL);
MakeReplacementsIn(NULL);
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::OptimizeStructure(TObject *Sender)
//Wykonuje wszelkie opeacje dostosowuj¹ce strukturê
//(Ustawia RealProperties i przebudowuje strukture)
//Uzywany w AnalyzeDrive po wykonaniu listy plików
{
//Najpierw analiza wszystkich plików i okreœlenie czym na prawdê s¹
SetAllEntryTypes();
//Teraz zmiana po³o¿enia objektów w celu podzia³u na kategorie
MakeReplacements();
//No i tyle - teraz latwo wygenerowac wyniki
return true;
}
//---------------------------------------------------------------------------
void __fastcall TDiscAnalyzer::SetAllEntryTypes()
//Przechodzi ca³¹ strukturê i okreœla typy
// wszystkoch wpisów. analizuje przy tym
// zawartoœæ plików.
//Po wykonaniu tej procedury wszystkie RealProperties
// powinny zawieraæ jakieœ informacje.
//U¿ywany w OptimizeStructure.
{
String MostProbableCategory;
//Analizujemy wpisy
SetStructureAnalystProperties(DynamicStruct->RootEntryList);
//Analiza skoñczona - ustawiamy RealProperties
ChooseStructureRealProperties(DynamicStruct->RootEntryList,MostProbableCategory);
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::FldrContentAnalist(TSearchRecList *Entry)
//U¿ywany w SetFldrRealProperties
{
Entry->BodyAnalist.Probability=0;
return true;
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::FldrNameAnalist(TSearchRecList *Entry)
//U¿ywany w SetFldrRealProperties
{
//Folder mo¿e byc kategori¹ lub elementem kategorii
//!! zrobic analize typu
Entry->NameAnalist.Probability=10;
//Mamy prawdopodobienstwa, teraz wystarczy wypelnic reszte pól
Entry->NameAnalist.Name=PrepareNameFromFName(Entry->F);
Entry->NameAnalist.EntryType=setCategory;
Entry->NameAnalist.CategoryName=GetCatNameFromType(Entry->NameAnalist.EntryType);
Entry->NameAnalist.DescBefore="";
Entry->NameAnalist.DescAfter="";
//no i koniec...
return true;
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::IsFolder(TSearchRecList *Entry)
// okreœla, czy element reprezentuje katalog.
//jeœli zwraca fa³sz, to element jest plikiem
{
if (Entry->F.Attr & faDirectory)
return true;
else
return false;
}
//---------------------------------------------------------------------------
AnsiString __fastcall TDiscAnalyzer::PrepareNameFromFName(const TSearchRec &F)
// Dostaje plik lub katalog i okresla jak go nazwac
// zakladaj¹c ¿e typ pliku nie jest rozpoznany
{
AnsiString Result;
__try
{
Result=ExtractFileName(F.Name);
if ((F.Attr && faDirectory) != faDirectory)
Result=RemoveExtensionAdv(Result);
Result=Char2Space('_',Result);
Result=Char2Space(',',Result);
Result=Char2Space(';',Result);
Result=Char2Space('~',Result);
Result=RemoveMultipleChars(32,Result);
Result=RemoveMultipleChars('-',Result);
Result=CheckCase(Result);
return Result;
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
return "?";
};
}
//---------------------------------------------------------------------------
AnsiString __fastcall TDiscAnalyzer::PrepareDescFromFName(const TSearchRec &F)
// Dostaje plik lub katalog i okresla jaki daæ mu opis
// zakladaj¹c ¿e typ pliku nie jest rozpoznany
{
AnsiString Result;
__try
{
Result=ExtractFileName(F.Name);
if ((F.Attr && faDirectory) == faDirectory)
Result="";
else
Result=ExtractExtensionAdv(Result);
Result=RemoveMultipleChars(32,Result);
Result=RemoveMultipleChars('-',Result);
return Result.UpperCase();
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
return "";
};
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::GetGeneratedInfo(System::TObject* Sender, Classes::TStrings* Info)
//Pobiera utworzon¹ wczesniej strukture do listy stringów
//Uzywane w glównej funkcji analizuj¹cej, mo¿e pobierac kilka razy po jednej analizie
{
TSearchRecList *CurEntry; //Przetwarzany wpis tablicy plików
__try
{
CurEntry=DynamicStruct->RootEntryList;
while (CurEntry->Prev!=NULL) CurEntry=CurEntry->Prev;
Info->Clear();
while (CurEntry!=NULL)
{
if (Info->Count>1) Info->Add("");
Info->Add(CurEntry->RealProperties.Name+":");
GetItemList(Sender,CurEntry,Info);
CurEntry=CurEntry->Next;
}
return true;
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
return false;
}
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::ChooseStructureRealProperties(Analyzerdynamics::PSearchRecList VirtDir, AnsiString &MostProbableCategory)
// Okresla czym na prawde s¹ pliki na podstawie wyników
// analiz nazw, zawartosci oraz polozenia.
// U¿ywany w SetAllEntryTypes
{
TSearchRecList *CurEntry;//WskaŸnik na aktualny element
String MostProbCatChild;//Pomocniczy, je¿eli aktualny objekt (którys CurEntry) to katalog
//Przechodzimy po calej strukturze
bool Result=true;
CurEntry=VirtDir;
DynamicStruct->MovetoFirstItem(CurEntry);
while (CurEntry!=NULL)
{
//dla ka¿dego katalogu
if (IsFolder(CurEntry))
{
//robimy analize wnetrza
Result|=ChooseStructureRealProperties(CurEntry->Down,MostProbCatChild);
//Wywalamy z nazw wnetrza zbedne elementy
RemoveEquPartsOfNamesInChildren(CurEntry);
//i ustawiamy RealProperties dla samego katalogu
SetFldrRealProperties(CurEntry);
}
else
//Je¿eli nie trafilismy na katalog
{
SetFileRealProperties(CurEntry);
}
//No i koniec - analizujemy nastepnego
CurEntry=CurEntry->Next;
}
return Result;
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::SetStructureAnalystProperties(Analyzerdynamics::PSearchRecList VirtDir)
// Ustawia wpisy slu¿¹ce do wybrania RealProperties
{
if (Synchronizer==NULL) return false;
__try
{
TSearchRecList *CurEntry;//WskaŸnik na aktualny element
//Przechodzimy po calej strukturze
bool Result=true;
CurEntry=VirtDir;
DynamicStruct->MovetoFirstItem(CurEntry);
while (CurEntry!=NULL)
{
if (Terminate) return false;
//dla ka¿dego katalogu
Synchronizer->UpdateStatusBar("Rozpoznajê "+CurEntry->Path+"\\"+CurEntry->F.Name);
if (IsFolder(CurEntry))
{
//robimy analize wnetrza
Result|=SetStructureAnalystProperties(CurEntry->Down);
//i ustawiamy wpisy analizy dla samego katalogu
FldrNameAnalist(CurEntry);
FldrContentAnalist(CurEntry);
}
else
//Je¿eli nie trafilismy na katalog
{
FileNameAnalist(CurEntry);
FileBodyAnalist(CurEntry);
}
//No i koniec - analizujemy nastepnego
CurEntry=CurEntry->Next;
}
return Result;
}
__except(EXCEPTION_EXECUTE_HANDLER)
{return false;}
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::FileNameAnalist(Analyzerdynamics::PSearchRecList Entry)
{
SearchEntryType ExtensionType;
ExtensionType=GetTypeFromExtension(ExtractFileExt(Entry->F.Name));
if (ExtensionType!=setUnknown)
//Okreslamy prawdopodobienstwo ze ExtensionType jest poprawny
{
Entry->NameAnalist.Probability=500; //Wartosc poczatkowa: 50%
//Kryterium: rozmiar pliku
if ((ExtensionType==setAnimation)&&(Entry->F.Size>(512*1024)))
Entry->NameAnalist.Probability+=((1000-Entry->NameAnalist.Probability)/2);
if ((ExtensionType==setAnimation)&&(Entry->F.Size<(64*1024)))
Entry->NameAnalist.Probability/=2;
if ((ExtensionType==setPicture)&&(Entry->F.Size>(4*1024))&&(Entry->F.Size<(200*1024*1024)))
Entry->NameAnalist.Probability+=((1000-Entry->NameAnalist.Probability)/2);
if ((ExtensionType==setPicture)&&(Entry->F.Size<(1024)))
Entry->NameAnalist.Probability/=2;
if ((ExtensionType==setMusic)&&(Entry->F.Size>(256*1024))&&(Entry->F.Size<(400*1024*1024)))
Entry->NameAnalist.Probability+=((1000-Entry->NameAnalist.Probability)/2);
if ((ExtensionType==setPicture)&&(Entry->F.Size<(5*1024)))
Entry->NameAnalist.Probability/=2;
if ((ExtensionType==setLink)&&(Entry->F.Size>(50*1024))&&(Entry->F.Size<(9*1024)))
Entry->NameAnalist.Probability+=((1000-Entry->NameAnalist.Probability)/2);
else Entry->NameAnalist.Probability/=2;
}
else
Entry->NameAnalist.Probability=10;
//Mamy prawdopodobienstwa, teraz wystarczy wypelnic reszte pól
Entry->NameAnalist.Name=PrepareNameFromFName(Entry->F);
Entry->NameAnalist.EntryType=ExtensionType;
Entry->NameAnalist.CategoryName=GetCatNameFromType(ExtensionType);
Entry->NameAnalist.DescBefore="";
Entry->NameAnalist.DescAfter=PrepareDescFromFName(Entry->F);
//no i koniec...
return true;
}
//---------------------------------------------------------------------------
SearchEntryType __fastcall TDiscAnalyzer::GetTypeFromExtension(AnsiString FileExt)
// Rozpoznaje typ na podstawie rozszerzenia pliku.
// Znane rozszerzenia ladowane s¹ przy starcie,
// s¹ pamietane w klasie Synchronizer
{
if (Synchronizer==NULL) return setUnknown;
FileExt=AnsiUpperCase(FileExt);
if (Synchronizer->ExtOfMusic->IndexOf(FileExt)>0)
{ return setMusic;}
if (Synchronizer->ExtOfPicture->IndexOf(FileExt)>0)
{ return setPicture;}
if (Synchronizer->ExtOfProgram->IndexOf(FileExt)>0)
{ return setProgram;}
if (Synchronizer->ExtOfAnimation->IndexOf(FileExt)>0)
{ return setAnimation;}
if (Synchronizer->ExtOfData->IndexOf(FileExt)>0)
{ return setData;}
if (Synchronizer->ExtOfVarious->IndexOf(FileExt)>0)
{ return setVarious;}
if (Synchronizer->ExtOfArchive->IndexOf(FileExt)>0)
{ return setArchive;}
return setUnknown;
}
//---------------------------------------------------------------------------
AnsiString __fastcall TDiscAnalyzer::GetCatNameFromType(Analyzerdynamics::SearchEntryType CatType)
//Na podstawie typu, pobiera jedn¹ z pasuj¹cych nazw tekstowych kategorii
//Jest to niejednoznaczne - u¿ywac jak najrzadziej
// Najlepiej by bylo pozbyc sie tej funkcji
{
// with (Synchronizer) do
if (Synchronizer==NULL) return "Unknown";
switch (CatType)
{
case setMusic:
if (Synchronizer->ExtOfMusic->Count>0)
return Synchronizer->ExtOfMusic->Strings[0];
case setPicture:
if (Synchronizer->ExtOfPicture->Count>0)
return Synchronizer->ExtOfPicture->Strings[0];
case setProgram:
if (Synchronizer->ExtOfProgram->Count>0)
return Synchronizer->ExtOfProgram->Strings[0];
case setAnimation:
if (Synchronizer->ExtOfAnimation->Count>0)
return Synchronizer->ExtOfAnimation->Strings[0];
case setData:
if (Synchronizer->ExtOfData->Count>0)
return Synchronizer->ExtOfData->Strings[0];
case setVarious:
if (Synchronizer->ExtOfVarious->Count>0)
return Synchronizer->ExtOfVarious->Strings[0];
case setArchive:
if (Synchronizer->ExtOfArchive->Count>0)
return Synchronizer->ExtOfArchive->Strings[0];
default:
return "Various";
}
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::RemoveEquPartsOfNamesInChildren(TSearchRecList *ParentEntry)
// Usuwa z nazw wpisów elementy powtarzaj¹ce sie,
// takie jak nazwa wykonawcy w muzyce albo numery utworów
{
TSearchRecList *CurEntry;//WskaŸnik na aktualny element
TSimilarNamesList *SimList=new TSimilarNamesList();
//Wysy³amy do SimListy wszystkie pliki z katalogu
CurEntry=ParentEntry->Down;
DynamicStruct->MovetoFirstItem(CurEntry);
while (CurEntry!=NULL)
{
//dodajemy do SimListy
SimList->AddNew(CurEntry);
CurEntry=CurEntry->Next;
}
//Dokonujemy redukcji grup podobieñstwa
SimList->ReduceGroups();
//Robimy to, o co chodzi³o
SimList->RenameGroupedFiles();
//i czyœcimy
delete SimList;
return true;
}
//---------------------------------------------------------------------------
void __fastcall TDiscAnalyzer::SetFileRealProperties(TSearchRecList *Entry)
//Ustawia RealProperties na podstawie
//wczesniej przeprowadzonej analizy Name i Body.
//U¿ywany w SetStructureAnalystProperties
//Wszystkie prawdopodob. s¹ w promilach (pewnosc=1000)
{
if (Entry->BodyAnalist.Probability>=Entry->NameAnalist.Probability)
//Jezeli analiza Body jest dominuj¹ca
{
if (Entry->BodyAnalist.EntryType!=setUnknown) Entry->RealProperties.EntryType=Entry->BodyAnalist.EntryType;
else Entry->RealProperties.EntryType=Entry->NameAnalist.EntryType;
if (Entry->BodyAnalist.Name.Length()>0) Entry->RealProperties.Name=Entry->BodyAnalist.Name;
else Entry->RealProperties.Name=Entry->NameAnalist.Name;
if (Entry->BodyAnalist.CategoryName.Length()>0) Entry->RealProperties.CategoryName=Entry->BodyAnalist.CategoryName;
else Entry->RealProperties.CategoryName=Entry->NameAnalist.CategoryName;
if (Entry->BodyAnalist.DescBefore.Length()>0) Entry->RealProperties.DescBefore=Entry->BodyAnalist.DescBefore;
else Entry->RealProperties.DescBefore=Entry->NameAnalist.DescBefore;
if (Entry->BodyAnalist.DescAfter.Length()>0) Entry->RealProperties.DescAfter=Entry->BodyAnalist.DescAfter;
else Entry->RealProperties.DescAfter=Entry->NameAnalist.DescAfter;
}
else
//Jezeli analiza Name jest dominuj¹ca
{
if (Entry->NameAnalist.EntryType!=setUnknown) Entry->RealProperties.EntryType=Entry->NameAnalist.EntryType;
else Entry->RealProperties.EntryType=Entry->BodyAnalist.EntryType;
if (Entry->NameAnalist.Name.Length()>0) Entry->RealProperties.Name=Entry->NameAnalist.Name;
else Entry->RealProperties.Name=Entry->BodyAnalist.Name;
if (Entry->NameAnalist.CategoryName.Length()>0) Entry->RealProperties.CategoryName=Entry->NameAnalist.CategoryName;
else Entry->RealProperties.CategoryName=Entry->BodyAnalist.CategoryName;
if (Entry->NameAnalist.DescBefore.Length()>0) Entry->RealProperties.DescBefore=Entry->NameAnalist.DescBefore;
else Entry->RealProperties.DescBefore=Entry->BodyAnalist.DescBefore;
if (Entry->NameAnalist.DescAfter.Length()>0) Entry->RealProperties.DescAfter=Entry->NameAnalist.DescAfter;
else Entry->RealProperties.DescAfter=Entry->BodyAnalist.DescAfter;
}
}
//---------------------------------------------------------------------------
void __fastcall TDiscAnalyzer::SetFldrRealProperties(TSearchRecList *Entry)
//Ustawia RealProperties na podstawie
//wczesniejszej analizy Name i Content.
//U¿ywany w SetStructureAnalystProperties
//Wszystkie prawdopodob. s¹ w promilach (pewnosc=1000)
{
if (Entry->BodyAnalist.Probability>=Entry->NameAnalist.Probability)
//Jezeli analiza Content jest dominuj¹ca
{
if (Entry->BodyAnalist.EntryType!=setUnknown) Entry->RealProperties.EntryType=Entry->BodyAnalist.EntryType;
else Entry->RealProperties.EntryType=Entry->NameAnalist.EntryType;
if (Entry->BodyAnalist.Name.Length()>0) Entry->RealProperties.Name=Entry->BodyAnalist.Name;
else Entry->RealProperties.Name=Entry->NameAnalist.Name;
if (Entry->BodyAnalist.CategoryName.Length()>0) Entry->RealProperties.CategoryName=Entry->BodyAnalist.CategoryName;
else Entry->RealProperties.CategoryName=Entry->NameAnalist.CategoryName;
if (Entry->BodyAnalist.DescBefore.Length()>0) Entry->RealProperties.DescBefore=Entry->BodyAnalist.DescBefore;
else Entry->RealProperties.DescBefore=Entry->NameAnalist.DescBefore;
if (Entry->BodyAnalist.DescAfter.Length()>0) Entry->RealProperties.DescAfter=Entry->BodyAnalist.DescAfter;
else Entry->RealProperties.DescAfter=Entry->NameAnalist.DescAfter;
}
else
//Jezeli analiza Name jest dominuj¹ca
{
if (Entry->NameAnalist.EntryType!=setUnknown) Entry->RealProperties.EntryType=Entry->NameAnalist.EntryType;
else Entry->RealProperties.EntryType=Entry->BodyAnalist.EntryType;
if (Entry->NameAnalist.Name.Length()>0) Entry->RealProperties.Name=Entry->NameAnalist.Name;
else Entry->RealProperties.Name=Entry->BodyAnalist.Name;
if (Entry->NameAnalist.CategoryName.Length()>0) Entry->RealProperties.CategoryName=Entry->NameAnalist.CategoryName;
else Entry->RealProperties.CategoryName=Entry->BodyAnalist.CategoryName;
if (Entry->NameAnalist.DescBefore.Length()>0) Entry->RealProperties.DescBefore=Entry->NameAnalist.DescBefore;
else Entry->RealProperties.DescBefore=Entry->BodyAnalist.DescBefore;
if (Entry->NameAnalist.DescAfter.Length()>0) Entry->RealProperties.DescAfter=Entry->NameAnalist.DescAfter;
else Entry->RealProperties.DescAfter=Entry->BodyAnalist.DescAfter;
}
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::AnalyzeEntryList(TSearchRecList *UpEntry)
//U¿ywany przez AnalyzeRootDir do tworzenia listy plików
//wszystkich katalogów plyty z wyj¹tkiem glównego
{
if (Synchronizer==NULL) return false;
TSearchRec F;
TSearchRecList *CurEntry; //Najnowszy wpis tablicy plików
int ReadErrorCode;
String Path;
int Level;
//ustaw zmienne lokalne
CurEntry=UpEntry;
Level=0;Path="";
do
{
Level++;
Path="\\"+CurEntry->F.Name+Path;
CurEntry=CurEntry->Up;
F.Name=" ";
if (Level>128) return false;//zabezpieczenie w zasadzie zbedne, ale...
} while (CurEntry!=NULL);
CurEntry=UpEntry;
Synchronizer->UpdateStatusBar("Czytam "+Path);
Path=RootDir+Path;
//utwórz liste plików
ReadErrorCode=FindFirst(Path+"\\*.*",faAnyFile,F);
while ((F.Name[1]=='.')&&(ReadErrorCode==0)) ReadErrorCode=FindNext(F);
bool Result;
if (ReadErrorCode==0)
{
DynamicStruct->NewSRecDown(CurEntry,F);
CurEntry->Path=Path;
while (FindNext(F)==0)
{
DynamicStruct->NewSRecAfter(CurEntry,F);
CurEntry->Path=Path;
}
Result=true;
}
else
{
CurEntry=NULL;
Result=false;
}
FindClose(F);
//przeanalizuj listê katalogów
while (CurEntry!=NULL)
{
if (Terminate) return false;
//wywo³aj analizê dla ka¿dego katalogu
if (IsFolder(CurEntry))
Result=AnalyzeEntryList(CurEntry);
CurEntry=CurEntry->Prev;
}
return Result;
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::AnalyzeRootDir(System::TObject* Sender)
//Tworzy peln¹ liste plików i katalogów, ale bez ustawiania RealProperties
//Wywolywane przez AnalyzeDrive
{
__try
{
TSearchRec F;
TSearchRecList *CurEntry; //Ostatni wpis tablicy plików
int ReadErrorCode;
//utwórz liste plików w glownym katakogu
CurEntry=NULL;ReadErrorCode=0;
if (FindFirst(RootDir+"\\*.*",faAnyFile,F)==0)
{
while ((F.Name[1]=='.')&&(ReadErrorCode==0)) ReadErrorCode=FindNext(F);
if (ReadErrorCode==0)
{
DynamicStruct->NewSRecAfter(CurEntry,F);
while (FindNext(F)==0) DynamicStruct->NewSRecAfter(CurEntry,F);
}
FindClose(F);
}
else
{
FindClose(F);
return false;
}
//przeanalizuj listê katalogów
if (CurEntry!=NULL)
{
do
{
if (Terminate) return false;
//wywolaj analizê dla ka¿dego katalogu
if ((CurEntry->F.Attr & faDirectory)!=0)
AnalyzeEntryList(CurEntry);
CurEntry=CurEntry->Prev;
} while (CurEntry!=NULL);
}
else
return false;
}
__except(EXCEPTION_EXECUTE_HANDLER)
{return false;}
return true;
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::RecognizedArchiveStart(TSearchRecList *Entry,char *FileStart)
//U¿ywany w FileBodyAnalist
//sprawdza czy pliki s¹ archiwami
{
//Do "podru¿y" po strukturze pliku video
String bMagic;
bool fileIdentified;
uint bDataSize;
//Do zapamiêtania wlasnosci strumieni
fileIdentified=false;
uint loadedBlockSize=min(FileBodyHeaderSize,uint(Entry->F.Size));
//Format ZIP
bMagic="xxxx";
StrLCopy((char *)bMagic.data(),FileStart,4);
if ((!fileIdentified)&&(bMagic=="PK\x03\x04")&&(Entry->F.Size>80))
{
fileIdentified=true;
Entry->BodyAnalist.DescAfter="ZIP";
Entry->BodyAnalist.Probability=800;
};
//Format RAR
if ((!fileIdentified)&&(bMagic=="Rar!")&&(Entry->F.Size>80))
{
fileIdentified=true;
Entry->BodyAnalist.DescAfter="RAR";
Entry->BodyAnalist.Probability=800;
};
//Format HYP
bMagic="xxx";
StrLCopy((char *)bMagic.data(),FileStart,3);
bDataSize=GetFromBufLittleEndianDWord(FileStart,4);//Na offsecie 4 jest rozmiar bez kompresji
if ((!fileIdentified)&&((bMagic=="\x1AHP")||(bMagic=="\x1AST"))&&(Entry->F.Size>40)&&(bDataSize+128>(uint)Entry->F.Size)&&(bDataSize<(uint)Entry->F.Size+128))
{
fileIdentified=true;
Entry->BodyAnalist.DescAfter="Hyper Archive";
Entry->BodyAnalist.Probability=800;
};
//Format ARJ
bMagic="xx";
StrLCopy((char *)bMagic.data(),FileStart,2);
if ((!fileIdentified)&&(bMagic=="\xEA\x60")&&(Entry->F.Size>80))
{
fileIdentified=true;
Entry->BodyAnalist.DescAfter="ARJ";
Entry->BodyAnalist.Probability=600;
};
if ((!fileIdentified)&&(bMagic=="!\x8B")&&(Entry->F.Size>40))
{
fileIdentified=true;
Entry->BodyAnalist.DescAfter="GZIP";
Entry->BodyAnalist.Probability=600;
};
//Format JAR (ale nie ten od Javy...)
bMagic="xxxxxx";
StrLCopy((char *)bMagic.data(),FileStart+14,6);
if ((!fileIdentified)&&(bMagic=="\x1AJAR\x1B\x00")&&(Entry->F.Size>40))
{
fileIdentified=true;
Entry->BodyAnalist.DescAfter="JAR";
Entry->BodyAnalist.Probability=600;
};
/* //Format Animatic Film (nie testowane)
bMagic="xxxx";
StrLCopy((char *)bMagic.data(),FileStart+48,4);
if ((!fileIdentified)&&((bMagic=="\x18\x28\x18\x27")))
{
fileIdentified=true;
iWidth=GetFromBufLittleEndianWord(FileStart,40);
iHeight=GetFromBufLittleEndianWord(FileStart,42);
Entry->BodyAnalist.DescAfter="Animatic Film";
Entry->BodyAnalist.Probability=700;
};
*/
if (fileIdentified)
{
Entry->BodyAnalist.Name=PrepareNameFromFName(Entry->F);
Entry->BodyAnalist.DescBefore="";
Entry->BodyAnalist.EntryType=setArchive;
Entry->BodyAnalist.CategoryName=GetCatNameFromType(Entry->BodyAnalist.EntryType);
return true;
}
return false;
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::RecognizedMpegStart(PSearchRecList Entry, char *FileStart)
{
//ilosc bajtow w buforze
uint loadedBlockSize=min(FileBodyHeaderSize,uint(Entry->F.Size));
bool Result=false;
InpMpeg->ReinitParser(FileStart,loadedBlockSize);
InpMpeg->ParseMPEGFile();
if ((InpMpeg->frame_rate>0)&&(InpMpeg->height>1)&&(InpMpeg->width>1))
{
String ChanlsStr="ST";
if (InpMpeg->audChannels==3) ChanlsStr="MO";
Entry->BodyAnalist.Name=PrepareNameFromFName(Entry->F);
Entry->BodyAnalist.DescBefore="";
String AudioStr="";
String VideoStr="";
if (InpMpeg->samprate>0)
AudioStr=IntToStr(InpMpeg->samprate/1000)+"kHz "+ChanlsStr+" Layer-"+IntToStr(4-InpMpeg->layer)+" ";
if ((InpMpeg->width>0)&&(InpMpeg->height>0))
{
if (InpMpeg->frame_rate>1)
VideoStr=IntToStr(InpMpeg->width)+"x"+IntToStr(InpMpeg->height)+" "+FloatToStrF(Extended(InpMpeg->frame_rate)/1000, ffFixed, 18, 2)+"fps ";
else
VideoStr=IntToStr(InpMpeg->width)+"x"+IntToStr(InpMpeg->height)+" ";
}
Entry->BodyAnalist.DescAfter=AudioStr+VideoStr+"MPEG";
Entry->BodyAnalist.EntryType=setAnimation;
Entry->BodyAnalist.Probability=700;
Entry->BodyAnalist.CategoryName=GetCatNameFromType(Entry->BodyAnalist.EntryType);
Result=true;
}
InpMpeg->ReinitParser(NULL,0);
return Result;
}
//---------------------------------------------------------------------------
bool __fastcall TDiscAnalyzer::RecognizedRiffStart(TSearchRecList *Entry,char *FileStart)
//U¿ywany w FileBodyAnalist
//sprawdza czy pliki s¹ typu RIFF
{
//Do "podru¿y" po strukturze RIFF-a
uint loadedBlockSize;
String bMagic;
bool isBigEndian;
bool fileTruncated;
bool fileMultiplied;
uint bDataSize;
// sprawdzamy czy to w ogóle jest RIFF/RIFX/FORM
bMagic="xxxx";
StrLCopy((char *)bMagic.data(),FileStart,4);
if ((bMagic=="RIFF"))
{
isBigEndian=false;
}
else
if ((bMagic=="RIFX"))
{
isBigEndian=true;
}
else
if ((bMagic=="FORM"))
{
isBigEndian=true;
}
else
{
//Jak nie ma odpowiedniego typu - koniec
return false;
};
//Pobieramy rozmiar pliku
if (isBigEndian)
bDataSize=GetFromBufBigEndianDWord(FileStart,4);
else
bDataSize=GetFromBufLittleEndianDWord(FileStart,4);
//i u¿ywamy do okreslenia czy jest to plik pojenynczy
if (((uint)(Entry->F.Size) > bDataSize+(bDataSize/50)+1024))
fileMultiplied=true;
else
fileMultiplied=false;
if ((uint(Entry->F.Size)+1024 < bDataSize))
fileTruncated=true;
else
fileTruncated=false;
//ilosc bajtow w buforze
loadedBlockSize=min(FileBodyHeaderSize,uint(Entry->F.Size));
//Do podró¿y po strukturze
String bMainType;
uint bMacroChunkPos;
String bMacroChunkName;
String bMacroChunkType;
uint bSubChunkPos;
String bSubChunkName;
String bSubChunkType;
String currentStream;
//Do zapamiêtania wlasnosci strumieni
uint iWidth;
uint iHeight;
uint iColorBPP;
String iCodec;
float fFPS;
uint iKBperSec;
uint sSmpRate;
uint sChannels;
String sCodec;
uint sBitsPesSmp;
uint cLength;
uint cTmpVal;
String cTmpStr;
//inicjacja zmiennych
bMainType="xxxx";
bMacroChunkName="xxxx";
bMacroChunkType="xxxx";
bSubChunkName="xxxx";
bSubChunkType="xxxx";
//Okreslamy typ pliku
StrLCopy((char *)bMainType.data(),FileStart+8,4);
iWidth=0;
iHeight=0;
iColorBPP=0;
iCodec="";
fFPS=0.0;
iKBperSec=0;
sSmpRate=0;
sChannels=0;
sCodec="";
sBitsPesSmp=0;
cLength=0;
bMacroChunkPos=12;//Zaczynamy chunki od tej pozycji bo 12b ma naglowek
//Teraz analizujemy kolejne chunksy z pliku
while ((bMacroChunkPos+12<loadedBlockSize))
{
//Pobieramy rozmiar tego chunka
if (isBigEndian)
bDataSize=GetFromBufBigEndianDWord(FileStart,bMacroChunkPos+4);
else
bDataSize=GetFromBufLittleEndianDWord(FileStart,bMacroChunkPos+4);
//pobieramy jego typ
StrLCopy((char *)bMacroChunkName.data(),FileStart+bMacroChunkPos,4);
StrLCopy((char *)bMacroChunkType.data(),FileStart+bMacroChunkPos+8,4);
//i ustawiamy polo¿enie nastepnego
if (bMacroChunkName=="LIST")
bSubChunkPos=bMacroChunkPos+12;
else
bSubChunkPos=bMacroChunkPos;
if (bDataSize>0)
bMacroChunkPos=min(bMacroChunkPos+bDataSize+8,loadedBlockSize);//(bDataSize mod 2)+
else
bMacroChunkPos=loadedBlockSize;
//Je¿eli typ tego chunka jest LIST to sprawdzamy podchunki
if (bMacroChunkName=="LIST")
{
currentStream="xxxx";
while ((bSubChunkPos+12<bMacroChunkPos))
{
//Pobieramy pozycje nastepnego subchunka
if (isBigEndian)
bDataSize=GetFromBufBigEndianDWord(FileStart,bSubChunkPos+4);
else
bDataSize=GetFromBufLittleEndianDWord(FileStart,bSubChunkPos+4);
//Analizujemy aktualnego subchunka
StrLCopy((char *)bSubChunkName.data(),FileStart+bSubChunkPos,4);
// oczywiscie nie wszystkie subchunki maj¹ typ
StrLCopy((char *)bSubChunkType.data(),FileStart+bSubChunkPos+8,4);
if (bSubChunkName=="avih")
{
if (isBigEndian)
{
iWidth=GetFromBufBigEndianDWord(FileStart,bSubChunkPos+40);
iHeight=GetFromBufBigEndianDWord(FileStart,bSubChunkPos+44);
}
else
{
cTmpVal=GetFromBufLittleEndianDWord(FileStart,bSubChunkPos+8);
if (cTmpVal>0)
fFPS=1000000.0 / cTmpVal;
if (cTmpVal>0)
cLength=(Extended(GetFromBufLittleEndianDWord(FileStart,bSubChunkPos+24))*cTmpVal) / 1000000.0;
if (GetFromBufLittleEndianDWord(FileStart,bSubChunkPos+32)<2)
sCodec="noSnd";
iKBperSec=GetFromBufLittleEndianDWord(FileStart,bSubChunkPos+12) / 1024;
iWidth=GetFromBufLittleEndianDWord(FileStart,bSubChunkPos+40);
iHeight=GetFromBufLittleEndianDWord(FileStart,bSubChunkPos+44);
};
}
else
if (bSubChunkName=="strh")
{
StrLCopy((char *)currentStream.data(),FileStart+bSubChunkPos+8,4);
if (currentStream=="vids")
{
iCodec="xxxx";
StrLCopy((char *)iCodec.data(),FileStart+bSubChunkPos+12,4);
};
}
else
if (bSubChunkName=="strf")
{
if (currentStream=="auds")
{
//W³asnoœci strumienia Audio
sCodec=IdentifyACMCodec(GetFromBufLittleEndianWord(FileStart,bSubChunkPos+8));
sSmpRate=GetFromBufLittleEndianDWord(FileStart,bSubChunkPos+12);
sChannels=GetFromBufLittleEndianWord(FileStart,bSubChunkPos+10);
};
}
else
if (bSubChunkName=="strn")
{
}
else
if ((bSubChunkName=="00dc")||(bSubChunkName=="00db"))
{
}
else
if (bSubChunkName=="01wb")