resource_manager.h

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#ifndef _RESOURCE_MANAGER_H
#define _RESOURCE_MANAGER_H
 
//Dependencies
#include "compiler_port.h"
#include "error.h"
 
//C++ guard
#ifdef __cplusplus
extern "C" {
#endif
 
 
typedef enum
{
   RES_TYPE_DIR  = 1,
   RES_TYPE_FILE = 2
} ResType;
 
 
//CodeWarrior or Win32 compiler?
#if defined(__CWCC__) || defined(_WIN32)
   #pragma pack(push, 1)
#endif
 
 
typedef __packed_struct
{
   char_t type;
   uint32_t dataStart;
   uint32_t dataLength;
   uint8_t nameLength;
   char_t name[];
} ResEntry;
 
 
typedef __packed_struct
{
   char_t type;
   uint32_t dataStart;
   uint32_t dataLength;
   uint8_t nameLength;
} ResRootEntry;
 
 
typedef __packed_struct
{
   uint32_t totalSize;
   ResRootEntry rootEntry;
} ResHeader;
 
 
//CodeWarrior or Win32 compiler?
#if defined(__CWCC__) || defined(_WIN32)
   #pragma pack(pop)
#endif
 
 
typedef struct
{
   uint_t type;
   uint_t volume;
   uint32_t dataStart;
   uint32_t dataLength;
   uint8_t nameLength;
   char_t name[];
} DirEntry;
 
 
//Resource management
error_t resGetData(const char_t *path, const uint8_t **data, size_t *length);
 
error_t resSearchFile(const char_t *path, DirEntry *dirEntry);
 
//error_t resOpenDirectory(Directory *directory, const DirEntry *entry);
//error_t resReadDirectory(Directory *directory, DirEntry *entry);
 
#if 0
typedef struct
{
   uint_t mode;
   uint32_t start;
   uint32_t size;
   uint32_t offset;
} FsFile;
 
error_t resOpenFile(FsFile *file, const DirEntry *dirEntry, uint_t mode);
error_t resSeekFile(FsFile *file, uint32_t *position);
uint_t resReadFile(FsFile *file, void *data, size_t length);
#endif
 
//C++ guard
#ifdef __cplusplus
}
#endif
 
#endif