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gtcdb.h

Go to the documentation of this file.

   /*
    Sebastien Loisel's Toolchest
    Copyright (C) 1998 Sebastien Loisel

    $Header: /home/gtc/public_html/gtc-cvs/toolchest/include/gtcdb.h,v 1.5 2001/07/03 21:07:10 loisel Exp $
    */


#ifndef Z_GTCDB_H
#define Z_GTCDB_H

#include <gtcspeaker.h>
#include <gtcmesh.h>

#define GTCBITBUFFERSIZE 256
typedef struct _gtcBitBufferList gtcBitBufferList;
struct _gtcBitBufferList
{
  char bits[GTCBITBUFFERSIZE];
  gtcBitBufferList *next;
};
typedef struct
{
  gtcBitBufferList first,*last;
  int offset;
} gtcBitBuffer;

gtcBitBuffer *gtc_new_bitbuffer();
void gtc_destroy_bitbuffer(gtcBitBuffer *bb);
void gtc_bitbuffer_put_bit(gtcBitBuffer *bb, int bit);
gtcPacket *gtc_bitbuffer_to_packet(gtcBitBuffer *bb);
void gtc_bitbuffer_ip(gtcBitBuffer *bb, int i, int prec);
void gtc_bitbuffer_up(gtcBitBuffer *bb, unsigned i, int prec);
void gtc_bitbuffer_iv(gtcBitBuffer *bb, int i);
void gtc_bitbuffer_uv(gtcBitBuffer *bb, unsigned i);
void gtc_bitbuffer_float(gtcBitBuffer *bb, float f,
                         int mantissa, int exponent);
void gtc_bitbuffer_matrix(gtcBitBuffer *bb, float f[3][3],
                          int mantissa, int exponent);
void gtc_bitbuffer_string(gtcBitBuffer *bb, char *s);

void gtc_bitpacket_prepare(gtcPacket *p);
int gtc_bitpacket_get_bit(gtcPacket *p);
int gtc_bitpacket_ip(gtcPacket *p, int prec);
unsigned gtc_bitpacket_up(gtcPacket *p, int prec);
int gtc_bitpacket_iv(gtcPacket *p);
unsigned gtc_bitpacket_uv(gtcPacket *p);
float gtc_bitpacket_float(gtcPacket *p, int mantissa, int exponent);
void gtc_bitpacket_matrix(gtcPacket *p, float f[3][3],
                          int mantissa, int exponent);
char *gtc_bitpacket_string(gtcPacket *p);


enum gtcDBTypes
{
  gtcDBBegin=0,

  gtcDBInt,
  gtcDBUnsigned,
  gtcDBFloat,
  gtcDBMatrix,
  gtcDBChar,
  gtcDBIntVec,
  gtcDBUnsignedVec,
  gtcDBFloatVec,
  gtcDBMatrixVec,
  gtcDBCharVec,

  gtcDBEnd
};

extern const int gtcDBTypeSizes[];

typedef struct _vectype
{
  unsigned size;
} vectype;

typedef struct _gtcDBNode gtcDBNode;
struct _gtcDBNode
{
  int id;
  int hash;
  int type;
  int size;
  void *value;
  gtcDBNode *next[2];
};

gtcDBNode *gtc_new_dbnode(int id, int type, void *value);
gtcDBNode *gtc_new_dbnode_vec(int id, int type, int size, void *values);
void gtc_delete_dbnode(gtcDBNode *node);

#define HASHSIZE 256
typedef struct
{
  int count;
  gtcDBNode *hash[2][HASHSIZE];
  int refcount;
} gtcDB;

int gtc_hash(int size, void *data, int hash);
gtcDB *gtc_db_new(void);
void gtc_db_delete(gtcDB *db);
int gtc_db_insert_int(gtcDB *db, int i);
int gtc_db_insert_unsigned(gtcDB *db, unsigned i);
int gtc_db_insert_float(gtcDB *db, gtcReal f);
int gtc_db_insert_matrix33(gtcDB *db, gtcReal m[3][3]);
int gtc_db_insert_matrix44(gtcDB *db, gtcReal m[4][4]);
int gtc_db_insert_char(gtcDB *db, char x);
int gtc_db_insert_array_int(gtcDB *db, int length, int elems[]);
int gtc_db_insert_array_unsigned(gtcDB *db, int length, unsigned elems[]);
int gtc_db_insert_array_float(gtcDB *db, int length, gtcReal elems[]);
int gtc_db_insert_array_matrix33(gtcDB *db, int length, gtcReal elems[][3][3]);
int gtc_db_insert_array_matrix44(gtcDB *db, int length, gtcReal elems[][4][4]);
int gtc_db_insert_array_char(gtcDB *db, int length, char elems[]);
int gtc_db_insert_string(gtcDB *db, char string[]);

gtcDBNode *gtc_db_get(gtcDB *db, int id);

void gtc_dbnode_print(gtcDBNode *foo);

typedef struct
{
  int float_mantissa, float_exponent;
} gtcBitSettings;
void gtc_bitbuffer_db(gtcBitBuffer *bb, gtcDB *db,
                      gtcBitSettings *set, gtcDB *prev);
gtcDB *gtc_bitpacket_db(gtcPacket *bp, gtcBitSettings *set,
                        gtcDB *prev);

#endif

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