diogo/yap-6.3
Archived
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

improve blob support (but just skeleton).

Browse Source
This commit is contained in:
Vitor Santos Costa
2010-11-29 23:17:06 +00:00
parent c454690a67
commit 7b6f330bd3
11 changed files with 159 additions and 193 deletions
Download Patch File Download Diff File Expand all files Collapse all files

87
include/SWI-Prolog.h
View File

@@ -314,33 +314,6 @@ typedef struct foreign_context *control_t;
/* end from pl-itf.h */
typedef struct PL_blob_t
{ uintptr_t magic; /* PL_BLOB_MAGIC */
uintptr_t flags; /* PL_BLOB_* */
char * name; /* name of the type */
int (*release)(atom_t a);
int (*compare)(atom_t a, atom_t b);
#ifdef SIO_MAGIC
int (*write)(IOSTREAM *s, atom_t a, int flags);
#else
int (*write)(void *s, atom_t a, int flags);
#endif
void (*acquire)(atom_t a);
#ifdef SIO_MAGIC
int (*save)(atom_t a, IOSTREAM *s);
atom_t (*load)(IOSTREAM *s);
#else
int (*save)(atom_t a, void*);
atom_t (*load)(void *s);
#endif
/* private */
void * reserved[10]; /* for future extension */
int registered; /* Already registered? */
int rank; /* Rank for ordering atoms */
struct PL_blob_t * next; /* next in registered type-chain */
atom_t atom_name; /* Name as atom */
} PL_blob_t;
/*******************************
* CALL-BACK *
*******************************/
@@ -524,9 +497,6 @@ extern X_API size_t PL_utf8_strlen(const char *s, size_t len);
extern X_API int PL_unify_list_codes(term_t l, const char *chars);
extern X_API int PL_is_blob(term_t t, PL_blob_t **type);
extern X_API void *PL_blob_data(term_t t, size_t *len, PL_blob_t **type);
#define PL_SIGSYNC 0x00010000 /* call handler synchronously */
#define PL_SIGNOFRAME 0x00020000 /* Do not create a Prolog frame */
@@ -623,6 +593,63 @@ PL_EXPORT(int) PL_write_term(IOSTREAM *s,term_t term,int precedence,int
#endif
/*******************************
* BLOBS *
*******************************/
#define PL_BLOB_MAGIC_B 0x75293a00 /* Magic to validate a blob-type */
#define PL_BLOB_VERSION 1 /* Current version */
#define PL_BLOB_MAGIC (PL_BLOB_MAGIC_B|PL_BLOB_VERSION)
#define PL_BLOB_UNIQUE 0x01 /* Blob content is unique */
#define PL_BLOB_TEXT 0x02 /* blob contains text */
#define PL_BLOB_NOCOPY 0x04 /* do not copy the data */
#define PL_BLOB_WCHAR 0x08 /* wide character string */
typedef struct PL_blob_t
{ uintptr_t magic; /* PL_BLOB_MAGIC */
uintptr_t flags; /* PL_BLOB_* */
char * name; /* name of the type */
int (*release)(atom_t a);
int (*compare)(atom_t a, atom_t b);
#ifdef SIO_MAGIC
int (*write)(IOSTREAM *s, atom_t a, int flags);
#else
int (*write)(void *s, atom_t a, int flags);
#endif
void (*acquire)(atom_t a);
#ifdef SIO_MAGIC
int (*save)(atom_t a, IOSTREAM *s);
atom_t (*load)(IOSTREAM *s);
#else
int (*save)(atom_t a, void*);
atom_t (*load)(void *s);
#endif
/* private */
void * reserved[10]; /* for future extension */
int registered; /* Already registered? */
int rank; /* Rank for ordering atoms */
struct PL_blob_t * next; /* next in registered type-chain */
atom_t atom_name; /* Name as atom */
} PL_blob_t;
PL_EXPORT(int) PL_is_blob(term_t t, PL_blob_t **type);
PL_EXPORT(int) PL_unify_blob(term_t t, void *blob, size_t len,
PL_blob_t *type);
PL_EXPORT(int) PL_put_blob(term_t t, void *blob, size_t len,
PL_blob_t *type);
PL_EXPORT(int) PL_get_blob(term_t t, void **blob, size_t *len,
PL_blob_t **type);
PL_EXPORT(void*) PL_blob_data(atom_t a,
size_t *len,
struct PL_blob_t **type);
PL_EXPORT(void) PL_register_blob_type(PL_blob_t *type);
PL_EXPORT(PL_blob_t*) PL_find_blob_type(const char* name);
PL_EXPORT(int) PL_unregister_blob_type(PL_blob_t *type);
#if USE_GMP
PL_EXPORT(int) PL_get_mpz(term_t t, mpz_t mpz);