Logo Search packages:      
Sourcecode: scummvm version File versions

ds-fs.h

/* ScummVMDS - Scumm Interpreter DS Port
 * Copyright (C) 2002-2004 The ScummVM project and Neil Millstone
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */
 
#ifndef _DS_FS_H
#define _DS_FS_H


#include "stdafx.h"
#include "common/array.h"
#include "common/str.h"

//#include <NDS/ARM9/console.h>
#include "fs.h"
#include "zipreader.h"
#include "ramsave.h"
#include "scummconsole.h"
#include "gba_nds_fat.h"
#include "backends/fs/abstract-fs.h"
//#include "backends/fs/fs.h"

// Fix name clash with FOTAQ engine, cutaway.h
#undef MAX_FILENAME_LENGTH
// This class is used when a Flash cart is in use

namespace DS {

class DSFileSystemNode : public AbstractFilesystemNode {
protected:
      static ZipFile* _zipFile;

      typedef class Common::String String;

      String _displayName;
      bool _isDirectory;
      bool _isValid;
      String _path;
      int _refCountVal;
      
public:
      DSFileSystemNode();
      DSFileSystemNode(const String &path);
      DSFileSystemNode(const DSFileSystemNode *node);
      DSFileSystemNode(const String& path, bool isDir);
      
      virtual String displayName() const {  return _displayName; }
      virtual String name() const {  return _displayName; }
      virtual bool isValid() const { return _isValid; }
      virtual bool isDirectory() const { return _isDirectory; }
      virtual String path() const { return _path; }
      
      virtual bool listDir(AbstractFSList &list, ListMode mode = FilesystemNode::kListDirectoriesOnly) const;
      virtual AbstractFilesystemNode *parent() const;
      virtual AbstractFilesystemNode *clone() const { return new DSFileSystemNode(this); }
      virtual AbstractFilesystemNode *child(const Common::String& name) const;
      static ZipFile* getZip() { return _zipFile; }
};


// This class is used when the GBAMP (GBA Movie Player) is used with a CompactFlash card

class GBAMPFileSystemNode : public AbstractFilesystemNode {
protected:
      typedef class Common::String String;

      String _displayName;
      bool _isDirectory;
      bool _isValid;
      String _path;
      
      int _refCountVal;
      
public:
      GBAMPFileSystemNode();
      GBAMPFileSystemNode(const String &path);
      GBAMPFileSystemNode(const String &path, bool isDirectory);
      GBAMPFileSystemNode(const GBAMPFileSystemNode *node);

      virtual String displayName() const {  return _displayName; }
      virtual String name() const {  return _displayName; }
      
      virtual bool isValid() const { return _isValid; }
      virtual bool isDirectory() const { return _isDirectory; }
      virtual String path() const { return _path; }
      virtual bool listDir(AbstractFSList &list, ListMode mode = FilesystemNode::kListDirectoriesOnly) const;
      virtual AbstractFilesystemNode *parent() const;
      virtual AbstractFilesystemNode *clone() const { return new GBAMPFileSystemNode(this); }
      virtual AbstractFilesystemNode *child(const Common::String& name) const;
      
};


// File reading


struct fileHandle {
      int pos;
      bool used;
      char* data;
      int size;
      
      DSSaveFile* sramFile;
};

// These functions replease the standard library functions of the same name.
// As this header is included after the standard one, I have the chance to #define
// all of these to my own code.
//
// A #define is the only way, as redefinig the functions would cause linker errors.

// These functions need to be #undef'ed, as their original definition 
// in devkitarm is done with #includes (ugh!)
#undef feof
#undef stderr
#undef stdout
#undef stdin
#undef clearerr
#undef getc
#undef ferror

#define stdout ((DS::fileHandle*) -1)
#define stderr ((DS::fileHandle*) -2)
#define stdin ((DS::fileHandle*) -3)

#define FILE DS::fileHandle
//#define size_t int

//#define FAT_chdir FAT_CWD

FILE*       std_fopen(const char* name, const char* mode);
void  std_fclose(FILE* handle);
size_t      std_fread(const void* ptr, size_t size, size_t numItems, FILE* handle);
size_t      std_fwrite(const void* ptr, size_t size, size_t numItems, FILE* handle);
void  std_fprintf(FILE* handle, const char* fmt, ...);
bool  std_feof(FILE* handle);
void  std_fflush(FILE* handle);
char*       std_fgets(char* str, int size, FILE* file);
long int std_ftell(FILE* handle);
int   std_fseek(FILE* handle, long int offset, int whence);
void  std_clearerr(FILE* handle);
int   std_getc(FILE* handle);
char*       std_getcwd(char* dir, int dunno);
void  std_cwd(char* dir);
int   std_ferror(FILE* handle);

// Only functions used in the ScummVM source have been defined here!
#define fopen(name, mode)                             DS::std_fopen(name, mode)
#define fclose(handle)                                DS::std_fclose(handle)
#define fread(ptr, size, items, file)           DS::std_fread(ptr, size, items, file)
#define fwrite(ptr, size, items, file)          DS::std_fwrite(ptr, size, items, file)
#define feof(handle)                                  DS::std_feof(handle)
//#define fprintf(file, fmt, ...)                     DS::fprintf(file, fmt, ##__VA_ARGS__)
#define fprintf(file, fmt, ...)                       { char str[128]; sprintf(str, fmt, ##__VA_ARGS__); DS::std_fwrite(str, strlen(str), 1, file); }
#define printf(fmt, ...)                              consolePrintf(fmt, ##__VA_ARGS__)
#define fflush(file)                                  DS::std_fflush(file)
#define fgets(str, size, file)                        DS::std_fgets(str, size, file)
#define ftell(handle)                                 DS::std_ftell(handle)
#define fseek(handle, offset, whence)           DS::std_fseek(handle, offset, whence)
#define clearerr(handle)                              DS::std_clearerr(handle)
#define getc(handle)                                  DS::std_getc(handle)
#define getcwd(dir, dunno)                            DS::std_getcwd(dir, dunno)
#define ferror(handle)                                DS::std_ferror(handle)


}

#endif

Generated by  Doxygen 1.6.0   Back to index