--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dmres.h	Fri Sep 28 01:54:23 2012 +0300
@@ -0,0 +1,141 @@
+/*
+ * DMLib
+ * -- Resource management
+ * Programmed and designed by Matti 'ccr' Hamalainen
+ * (C) Copyright 2011-2012 Tecnic Software productions (TNSP)
+ */
+#ifndef DMRES_H
+#define DMRES_H
+
+#include "dmlib.h"
+
+#ifdef DMRES_PACKFS
+#include <zlib.h>
+#include "dmpack.h"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Constants
+ */
+enum
+{
+    DMPRUNE_ATIME   = 0x0001,
+    DMPRUNE_MTIME   = 0x0002,
+};
+
+enum
+{
+    DRF_USE_PACK    = 0x0001,
+};
+
+enum
+{
+    DMF_PRELOAD     = 0x0001, // Preload this resource
+    DMF_PERSIST     = 0x0002, // Persist loaded resource (only freed at shutdown/explicit prune)
+    //DMF_STREAM      = 0x0004, // This resource is streamed
+
+    DMF_LOADED      = 0x1000, // Resource has been loaded
+};
+
+
+/* Typedefs and structures
+ */
+struct DMResourceOps;
+
+typedef struct _DMResource
+{
+    // Timestamps (in seconds from time())
+    int    mtime,              // When resource was loaded
+           atime;              // Last accessed (dmres_ref()/unref)
+    int    refcount;           // Reference count
+
+    int    flags;              // Resource flags (DMF_*)
+    char   *filename;
+
+    size_t dataSize;           // Size of data
+    off_t  dataOffset;         // Current offset in data
+    Uint8 *data;               // Pointer to data
+
+    int    error;              // Error code
+
+    struct DMResourceOps *fops;    // Pointer to file handling functions struct
+    struct _DMResource *next, *prev;
+
+    FILE * fh;
+} DMResource;
+
+
+typedef struct DMResourceOps
+{
+    int     (*ferror)(DMResource *);
+    int     (*fseek)(DMResource *, const off_t, const int);
+    off_t   (*fsize)(DMResource *);
+    off_t   (*ftell)(DMResource *);
+    BOOL    (*feof)(DMResource *);
+    int     (*fgetc)(DMResource *);
+    size_t  (*fread)(void *, const size_t, const size_t, DMResource *);
+
+    int     (*fopen)(DMResource *);
+    void    (*fclose)(DMResource *);
+    int     (*preload)(DMResource *);
+} DMResourceOps;
+
+
+/* Functions
+ */
+int          dmres_init(const char *filename, const char *path, int flags);
+void         dmres_close(void);
+
+void         dmres_prune(int agems, int flags);
+int          dmres_preload();
+
+int          dmres_load_resfile(const char *filename);
+int          dmres_write_resfile(const char *filename);
+
+DMResource * dmres_find(const char *filename);
+int          dmres_ref(DMResource *);
+int          dmres_unref(DMResource *);
+
+
+// Opening and closing resources
+DMResource * dmf_open(const char *);
+DMResource * dmf_open_memio(const char *, Uint8 *buf, size_t len);
+#ifdef DMRES_STDIO
+DMResource * dmf_create_stdio(const char *);
+DMResource * dmf_create_stdio_stream(FILE *);
+#endif
+void         dmf_close(DMResource *);
+
+
+// Basic resource access functions
+int          dmferror(DMResource *);
+int          dmfseek(DMResource *, const off_t, const int);
+off_t        dmfsize(DMResource *);
+off_t        dmftell(DMResource *);
+BOOL         dmfeof(DMResource *);
+int          dmfgetc(DMResource *);
+size_t       dmfread(void *, const size_t, const size_t, DMResource *);
+
+
+// Specialized functions for endianess based reading etc
+int          dmf_read_str(DMResource *, Uint8 *, size_t);
+BOOL         dmf_read_be16(DMResource *, Uint16 *);
+BOOL         dmf_read_be32(DMResource *, Uint32 *);
+BOOL         dmf_read_le16(DMResource *, Uint16 *);
+BOOL         dmf_read_le32(DMResource *, Uint32 *);
+
+#ifdef DM_HAVE_64BIT
+BOOL         dmf_read_be64(DMResource *, Uint64 *);
+BOOL         dmf_read_le64(DMResource *, Uint64 *);
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // DMRES_H