fceux/src/file.h

169 lines
4.3 KiB
C++

#ifndef _FCEU_FILE_H_
#define _FCEU_FILE_H_
#define MAX_MOVIEFILENAME_LEN 80
#include <string>
#include <iostream>
#include "types.h"
#include "emufile.h"
extern bool bindSavestate;
struct FCEUFILE {
//the stream you can use to access the data
//std::iostream *stream;
EMUFILE *stream;
//the name of the file, or the logical name of the file within the archive
std::string filename;
//a weirdly derived value.. maybe a path to a file, or maybe a path to a file which doesnt exist but which is in an archive in the same directory
std::string logicalPath;
//the filename of the archive (maybe "" if it is not in an archive)
std::string archiveFilename;
//a the path to the filename, possibly using | to get into the archive
std::string fullFilename;
//the number of files that were in the archive
int archiveCount;
//the index of the file within the archive
int archiveIndex;
//the size of the file
int size;
//whether the file is contained in an archive
bool isArchive() { return archiveCount > 0; }
FCEUFILE()
: stream(0)
, archiveCount(-1)
{}
~FCEUFILE()
{
if(stream) delete stream;
}
enum {
READ, WRITE, READWRITE
} mode;
//guarantees that the file contains a memorystream, and returns it for your convenience
EMUFILE_MEMORY* EnsureMemorystream() {
EMUFILE_MEMORY* ret = dynamic_cast<EMUFILE_MEMORY*>(stream);
if(ret) return ret;
//nope, we need to create it: copy the contents
ret = new EMUFILE_MEMORY(size);
stream->fread(ret->buf(),size);
delete stream;
stream = ret;
return ret;
}
void SetStream(EMUFILE *newstream) {
if(stream) delete stream;
stream = newstream;
//get the size of the stream
stream->fseek(0,SEEK_SET);
size = stream->size();
}
};
struct FCEUARCHIVEFILEINFO_ITEM {
std::string name;
uint32 size, index;
};
class FCEUARCHIVEFILEINFO : public std::vector<FCEUARCHIVEFILEINFO_ITEM> {
public:
void FilterByExtension(const char** ext);
};
struct FileBaseInfo {
std::string filebase, filebasedirectory, ext;
FileBaseInfo() {}
FileBaseInfo(std::string fbd, std::string fb, std::string ex)
{
filebasedirectory = fbd;
filebase = fb;
ext = ex;
}
};
struct ArchiveScanRecord
{
ArchiveScanRecord()
: type(-1)
, numFilesInArchive(0)
{}
ArchiveScanRecord(int _type, int _numFiles)
{
type = _type;
numFilesInArchive = _numFiles;
}
int type;
//be careful: this is the number of files in the archive.
//the size of the files variable might be different.
int numFilesInArchive;
FCEUARCHIVEFILEINFO files;
bool isArchive() { return type != -1; }
};
FCEUFILE *FCEU_fopen(const char *path, const char *ipsfn, char *mode, char *ext, int index=-1, const char** extensions = 0);
bool FCEU_isFileInArchive(const char *path);
int FCEU_fclose(FCEUFILE*);
uint64 FCEU_fread(void *ptr, size_t size, size_t nmemb, FCEUFILE*);
uint64 FCEU_fwrite(void *ptr, size_t size, size_t nmemb, FCEUFILE*);
int FCEU_fseek(FCEUFILE*, long offset, int whence);
uint64 FCEU_ftell(FCEUFILE*);
int FCEU_read32le(uint32 *Bufo, FCEUFILE*);
int FCEU_read16le(uint16 *Bufo, FCEUFILE*);
int FCEU_fgetc(FCEUFILE*);
uint64 FCEU_fgetsize(FCEUFILE*);
int FCEU_fisarchive(FCEUFILE*);
void GetFileBase(const char *f);
std::string FCEU_GetPath(int type);
std::string FCEU_MakePath(int type, const char* filebase);
std::string FCEU_MakeFName(int type, int id1, const char *cd1);
std::string GetMfn();
void FCEU_SplitArchiveFilename(std::string src, std::string& archive, std::string& file, std::string& fileToOpen);
#define FCEUMKF_STATE 1
#define FCEUMKF_SNAP 2
#define FCEUMKF_SAV 3
#define FCEUMKF_CHEAT 4
#define FCEUMKF_FDSROM 5
#define FCEUMKF_PALETTE 6
#define FCEUMKF_GGROM 7
#define FCEUMKF_IPS 8
#define FCEUMKF_FDS 9
#define FCEUMKF_MOVIE 10
//#define FCEUMKF_NPTEMP 11 //mbg 6/21/08 - who needs this..?
#define FCEUMKF_MOVIEGLOB 12
#define FCEUMKF_STATEGLOB 13
#define FCEUMKF_MOVIEGLOB2 14
#define FCEUMKF_AUTOSTATE 15
#define FCEUMKF_MEMW 16
#define FCEUMKF_BBOT 17
#define FCEUMKF_ROMS 18
#define FCEUMKF_INPUT 19
#define FCEUMKF_LUA 20
#define FCEUMKF_AVI 21
#define FCEUMKF_TASEDITOR 22
#endif