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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@461 626c5289-ae23-0410-ae9c-e8d60b6d4f22
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Dave Beazley 2000-06-15 02:18:42 +00:00
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Source/DOH/Include/dohobj.h Normal file
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/* -----------------------------------------------------------------------------
* dohobj.h
*
* This file describes internally managed objects.
*
* Author(s) : David Beazley (beazley@cs.uchicago.edu)
*
* Copyright (C) 1999-2000. The University of Chicago
* See the file LICENSE for information on usage and redistribution.
*
* $Header$
* ----------------------------------------------------------------------------- */
#ifndef _DOHOBJ_H
#define _DOHOBJ_H
#include "doh.h"
/* Hash objects */
typedef struct {
DOH *(*doh_getattr)(DOH *obj, DOH *name); /* Get attribute */
int (*doh_setattr)(DOH *obj, DOH *name, DOH *value); /* Set attribute */
int (*doh_delattr)(DOH *obj, DOH *name); /* Del attribute */
DOH *(*doh_firstkey)(DOH *obj); /* First key */
DOH *(*doh_nextkey)(DOH *obj); /* Next key */
} DohHashMethods;
/* List objects */
typedef struct {
DOH *(*doh_getitem)(DOH *obj, int index); /* Get item */
int (*doh_setitem)(DOH *obj, int index, DOH *value); /* Set item */
int (*doh_delitem)(DOH *obj, int index); /* Delete item */
int (*doh_insitem)(DOH *obj, int index, DOH *value); /* Insert item */
DOH *(*doh_firstitem)(DOH *obj); /* Iterators */
DOH *(*doh_nextitem)(DOH *obj);
void (*doh_sort)(DOH *obj, int opt); /* Sort */
} DohListMethods;
/* File methods */
typedef struct {
int (*doh_read)(DOH *obj, void *buffer, int nbytes); /* Read bytes */
int (*doh_write)(DOH *obj, void *buffer, int nbytes); /* Write bytes */
int (*doh_putc)(DOH *obj, int ch); /* Put character */
int (*doh_getc)(DOH *obj); /* Get character */
int (*doh_ungetc)(DOH *obj, int ch); /* Unget character */
int (*doh_seek)(DOH *obj, long offset, int whence); /* Seek */
long (*doh_tell)(DOH *obj); /* Tell */
int (*doh_close)(DOH *obj); /* Close */
} DohFileMethods;
/* String methods */
typedef struct {
int (*doh_replace)(DOH *obj, DOH *old, DOH *rep, int flags);
void (*doh_chop)(DOH *obj);
} DohStringMethods;
/* -----------------------------------------------------------------------------
* DohObjInfo
* ----------------------------------------------------------------------------- */
typedef struct DohObjInfo {
char *objname; /* Object name */
/* Basic object methods */
void (*doh_del)(DOH *obj); /* Delete object */
DOH *(*doh_copy)(DOH *obj); /* Copy and object */
void (*doh_clear)(DOH *obj); /* Clear an object */
/* I/O methods */
DOH *(*doh_str)(DOH *obj); /* Make a full string */
void *(*doh_data)(DOH *obj); /* Return raw data */
int (*doh_dump)(DOH *obj, DOH *out); /* Serialize on out */
/* Length and hash values */
int (*doh_len)(DOH *obj);
int (*doh_hashval)(DOH *obj);
/* Compare */
int (*doh_cmp)(DOH *obj1, DOH *obj2);
/* Positional */
void (*doh_setfile)(DOH *obj, DOHString_or_char *file);
DOH *(*doh_getfile)(DOH *obj);
void (*doh_setline)(DOH *obj, int line);
int (*doh_getline)(DOH *obj);
DohHashMethods *doh_hash; /* Hash methods */
DohListMethods *doh_list; /* List methods */
DohFileMethods *doh_file; /* File methods */
DohStringMethods *doh_string; /* String methods */
void *doh_reserved; /* Reserved */
void *clientdata; /* User data */
} DohObjInfo;
typedef struct {
void *data; /* Data pointer */
int type : 4; /* Object type (max 16 -- deal with it) */
int flag_intern : 1; /* Interned object */
int flag_marked : 1; /* Mark flag */
int flag_user : 1; /* User flag */
int flag_reserved : 1; /* Reserved flag */
int refcount : 24; /* Reference count (max 16 million) */
} DohBase;
/* Macros for decrefing and increfing (safe for null objects). */
#define Decref(a) if (a) ((DohBase *) a)->refcount--
#define Incref(a) if (a) ((DohBase *) a)->refcount++
#define Refcount(a) ((DohBase *) a)->refcount
/* Macros for manipulating objects in a safe manner */
#define ObjData(a) ((DohBase *)a)->data
#define ObjSetMark(a,x) ((DohBase *)a)->flag_marked = x
#define ObjGetMark(a) ((DohBase *)a)->flag_marked
#define ObjType(a) ((DohBase *)a)->type
extern DOH *DohObjMalloc(int type, void *data); /* Allocate a DOH object */
extern void DohObjFree(DOH *ptr); /* Free a DOH object */
extern void DohRegisterType(int type, DohObjInfo *objinfo);
#define MAX_DOHTYPE 16
#define DOHTYPE_STRING 1
#define DOHTYPE_LIST 2
#define DOHTYPE_HASH 3
#define DOHTYPE_VOID 4
#define DOHTYPE_FILE 5
#endif /* DOHOBJ_H */