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swig/Source/DOH/Include/doh.h
Dave Beazley e57db77e74 Added Pools 
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@7 626c5289-ae23-0410-ae9c-e8d60b6d4f22
1999-08-05 22:44:02 +00:00

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9.5 KiB
C
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/*******************************************************************************
* DOH (Dynamic Object Hack)
*
* Author : David Beazley
*
* Department of Computer Science
* University of Chicago
* 1100 E 58th Street
* Chicago, IL 60637
* beazley@cs.uchicago.edu
*
* Please read the file LICENSE for the copyright and terms by which SWIG
* can be used and distributed.
*******************************************************************************/
/***********************************************************************
* $Header$
*
* doh.h
***********************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <ctype.h>
#include <stdarg.h>
typedef void DOH;
#define DOH_BEGIN -1
#define DOH_END -2
#define DOH_CUR -3
/* -----------------------------------------------------------------------------
* Object classes
* ----------------------------------------------------------------------------- */
/* Mapping 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 */
} DohMappingMethods;
/* Sequence methods */
typedef struct {
DOH *(*doh_getitem)(DOH *obj, int index);
int (*doh_setitem)(DOH *obj, int index, DOH *value);
int (*doh_delitem)(DOH *obj, int index);
int (*doh_insitem)(DOH *obj, int index, DOH *value);
int (*doh_insertf)(DOH *obj, int index, char *format, va_list ap);
DOH *(*doh_first)(DOH *obj);
DOH *(*doh_next)(DOH *obj);
} DohSequenceMethods;
/* File methods */
typedef struct {
int (*doh_read)(DOH *obj, void *buffer, int nbytes);
int (*doh_write)(DOH *obj, void *buffer, int nbytes);
int (*doh_seek)(DOH *obj, long offset, int whence);
long (*doh_tell)(DOH *obj);
int (*doh_printf)(DOH *obj, char *format, va_list ap);
int (*doh_scanf)(DOH *obj, char *format, va_list ap);
int (*doh_close)(DOH *obj);
} DohFileMethods;
/* -----------------------------------------------------------------------------
* DohObjInfo
*
* Included in all DOH types.
* ----------------------------------------------------------------------------- */
typedef struct DohObjInfo {
char *objname; /* Object name */
int objsize; /* Object size */
/* 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 */
/* Output methods */
DOH *(*doh_str)(DOH *obj); /* Make a full string */
void *(*doh_data)(DOH *obj); /* Return raw data */
/* Length and hash values */
int (*doh_len)(DOH *obj);
int (*doh_hash)(DOH *obj);
/* Compare */
int (*doh_cmp)(DOH *obj1, DOH *obj2);
DohMappingMethods *doh_mapping; /* Mapping methods */
DohSequenceMethods *doh_sequence; /* Sequence methods */
DohFileMethods *doh_file; /* File methods */
void *reserved2; /* Number methods */
void *reserved3;
void *reserved4;
void *reserved5;
void *reserved6;
void *user1;
void *user2;
void *user3;
void *user4;
} DohObjInfo;
/* Memory management */
extern void *DohMalloc(int size);
extern void DohFree(DOH *ptr);
extern int DohCheck(DOH *ptr);
extern int DohFreeCheck(DOH *ptr);
/* Low-level doh methods. Do not call directly (well, unless you want to). */
extern void DohDestroy(DOH *obj);
extern DOH *DohCopy(DOH *obj);
extern void DohClear(DOH *obj);
extern int DohCmp(DOH *obj1, DOH *obj2);
extern DOH *DohStr(DOH *obj);
extern DOH *DohGetattr(DOH *obj, DOH *name);
extern int DohGetattrf(DOH *obj, DOH *name, char *fmt, ...);
extern int DohSetattr(DOH *obj, DOH *name, DOH *value);
extern int DohSetattrf(DOH *obj, DOH *name, char *fmt, ...);
extern void DohDelattr(DOH *obj, DOH *name);
extern int DohHashval(DOH *obj);
extern DOH *DohGetitem(DOH *obj, int index);
extern void DohSetitem(DOH *obj, int index, DOH *value);
extern void DohDelitem(DOH *obj, int index);
extern void DohInsertitem(DOH *obj, int index, DOH *value);
extern void DohInsertf(DOH *obj, int index, char *format, ...);
extern void DohvInsertf(DOH *obj, int index, char *format, va_list ap);
extern void DohAppendf(DOH *obj, char *format, ...);
extern void DohvAppendf(DOH *obj, char *format, va_list ap);
extern int DohLen(DOH *obj);
extern DOH *DohFirst(DOH *obj);
extern DOH *DohNext(DOH *obj);
extern DOH *DohFirstkey(DOH *obj);
extern DOH *DohNextkey(DOH *obj);
extern void *DohData(DOH *obj);
extern int DohGetline(DOH *obj);
extern void DohSetline(DOH *obj, int line);
extern DOH *DohGetfile(DOH *obj);
extern void DohSetfile(DOH *obj, DOH *file);
extern void DohInit(DOH *obj);
/* File methods */
extern int DohWrite(DOH *obj, void *buffer, int length);
extern int DohRead(DOH *obj, void *buffer, int length);
extern int DohSeek(DOH *obj, long offser, int whence);
extern long DohTell(DOH *obj);
extern int DohPrintf(DOH *obj, char *format, ...);
extern int DohvPrintf(DOH *obj, char *format, va_list ap);
extern int DohScanf(DOH *obj, char *format, ...);
extern int DohvScanf(DOH *obj, char *format, va_list ap);
/* Macros to invoke the above functions. Includes the location of
the caller to simplify debugging if something goes wrong */
#define Delete DohDestroy
#define Copy DohCopy
#define Clear DohClear
#define Str DohStr
#define Signature DohSignature
#define Getattr DohGetattr
#define Getattrf DohGetattrf
#define Setattr DohSetattr
#define Setattrf DohSetattrf
#define Delattr DohDelattr
#define Hashval DohHashval
#define Getitem DohGetitem
#define Setitem DohSetitem
#define Delitem DohDelitem
#define Insert DohInsertitem
#define Insertf DohInsertitemf
#define vInsertf DohvInsertitemf
#define Append(s,x) DohInsertitem(s,DOH_END,x)
#define Appendf DohAppendf
#define vAppendf DohvAppendf
#define Push(s,x) DohInsertitem(s,DOH_BEGIN,x)
#define Len DohLen
#define First DohFirst
#define Next DohNext
#define Firstkey DohFirstkey
#define Nextkey DohNextkey
#define Data DohData
#define Char (char *) Data
#define Cmp DohCmp
#define Setline DohSetline
#define Getline DohGetline
#define Setfile DohSetfile
#define Getfile DohGetfile
#define Write DohWrite
#define Read DohRead
#define Seek DohSeek
#define Tell DohTell
#define Printf DohPrintf
#define vPrintf DohvPrintf
#define Scanf DohScanf
#define vScanf DohvScanf
/* -----------------------------------------------------------------------------
* DohBase
*
* DohBase object type. Attributes common to all objects.
* ----------------------------------------------------------------------------- */
#define DOHCOMMON \
DohObjInfo *objinfo; \
int refcount; \
int line; \
DOH *file
typedef struct {
DOHCOMMON;
} 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 Objname(a) ((DohBase *) a)->objinfo->objname
/* -----------------------------------------------------------------------------
* Strings.
* ----------------------------------------------------------------------------- */
extern DOH *NewString(char *c);
extern int String_check(DOH *s);
extern void String_replace(DOH *s, DOH *token, DOH *rep, int flags);
/* String replacement flags */
#define DOH_REPLACE_ANY 0x00
#define DOH_REPLACE_NOQUOTE 0x01
#define DOH_REPLACE_ID 0x02
#define DOH_REPLACE_FIRST 0x04
/* -----------------------------------------------------------------------------
* Files
* ----------------------------------------------------------------------------- */
extern DOH *NewFile(char *file, char *mode);
extern DOH *NewFileFromFile(FILE *f);
/* -----------------------------------------------------------------------------
* List
* ----------------------------------------------------------------------------- */
extern DOH *NewList();
extern int List_check(DOH *);
extern void List_sort(DOH *);
/* -----------------------------------------------------------------------------
* Hash
* ----------------------------------------------------------------------------- */
extern DOH *NewHash();
extern int Hash_check(DOH *h);
extern DOH *Hash_keys(DOH *);
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