FUNCTION: int gdbm_setopt ( GDBM_FILE dbf, int option, int* value, int size ) ;
FUNCTION: int gdbm_fdesc ( GDBM_FILE dbf ) ;
-CONSTANT: GDBM_NO_ERROR 0
-CONSTANT: GDBM_MALLOC_ERROR 1
-CONSTANT: GDBM_BLOCK_SIZE_ERROR 2
-CONSTANT: GDBM_FILE_OPEN_ERROR 3
-CONSTANT: GDBM_FILE_WRITE_ERROR 4
-CONSTANT: GDBM_FILE_SEEK_ERROR 5
-CONSTANT: GDBM_FILE_READ_ERROR 6
-CONSTANT: GDBM_BAD_MAGIC_NUMBER 7
-CONSTANT: GDBM_EMPTY_DATABASE 8
-CONSTANT: GDBM_CANT_BE_READER 9
-CONSTANT: GDBM_CANT_BE_WRITER 10
-CONSTANT: GDBM_READER_CANT_DELETE 11
-CONSTANT: GDBM_READER_CANT_STORE 12
-CONSTANT: GDBM_READER_CANT_REORGANIZE 13
-CONSTANT: GDBM_UNKNOWN_UPDATE 14
-CONSTANT: GDBM_ITEM_NOT_FOUND 15
-CONSTANT: GDBM_REORGANIZE_FAILED 16
-CONSTANT: GDBM_CANNOT_REPLACE 17
-CONSTANT: GDBM_ILLEGAL_DATA 18
-CONSTANT: GDBM_OPT_ALREADY_SET 19
-CONSTANT: GDBM_OPT_ILLEGAL 20
-
TYPEDEF: int gdbm_error
C-GLOBAL: gdbm_error gdbm_errno
! Copyright (C) 2010 Dmitry Shubin.
! See http://factorcode.org/license.txt for BSD license.
-USING: accessors alien.c-types alien.data alien.destructors
-classes.struct combinators destructors gdbm.ffi io.backend kernel libc
-literals math namespaces sequences serialize strings ;
+USING: accessors alien.c-types alien.data alien.destructors assocs
+biassocs classes.struct combinators destructors gdbm.ffi io.backend
+kernel libc literals math namespaces sequences serialize strings ;
IN: gdbm
TUPLE: gdbm
{ flags integer initial: $ GDBM_WRCREAT }
{ mode integer initial: OCT: 644 } ;
-ERROR: gdbm-error errno msg ;
+SINGLETONS:
+ gdbm-no-error gdbm-malloc-error
+ gdbm-block-size-error gdbm-file-open-error
+ gdbm-file-write-error gdbm-file-seek-error
+ gdbm-file-read-error gdbm-bad-magic-number
+ gdbm-empty-database gdbm-cant-be-reader
+ gdbm-cant-be-writer gdbm-reader-cant-delete
+ gdbm-reader-cant-store gdbm-reader-cant-reorganize
+ gdbm-unknown-update gdbm-item-not-found
+ gdbm-reorganize-failed gdbm-cannot-replace
+ gdbm-illegal-data gdbm-option-already-set
+ gdbm-illegal-option ;
+
+ERROR: gdbm-unknown-error error ;
<PRIVATE
-: gdbm-throw ( -- * ) gdbm_errno dup gdbm_strerror gdbm-error ;
+: error-table ( -- table )
+ {
+ { 0 gdbm-no-error }
+ { 1 gdbm-malloc-error }
+ { 2 gdbm-block-size-error }
+ { 3 gdbm-file-open-error }
+ { 4 gdbm-file-write-error }
+ { 5 gdbm-file-seek-error }
+ { 6 gdbm-file-read-error }
+ { 7 gdbm-bad-magic-number }
+ { 8 gdbm-empty-database }
+ { 9 gdbm-cant-be-reader }
+ { 10 gdbm-cant-be-writer }
+ { 11 gdbm-reader-cant-delete }
+ { 12 gdbm-reader-cant-store }
+ { 13 gdbm-reader-cant-reorganize }
+ { 14 gdbm-unknown-update }
+ { 15 gdbm-item-not-found }
+ { 16 gdbm-reorganize-failed }
+ { 17 gdbm-cannot-replace }
+ { 18 gdbm-illegal-data }
+ { 19 gdbm-option-already-set }
+ { 20 gdbm-illegal-option }
+ } >biassoc ;
+
+: error>code ( error -- code )
+ dup error-table value-at [ ] [ gdbm-unknown-error ] ?if ;
+
+: code>error ( code -- error ) error-table at ;
+
+: gdbm-throw ( -- * ) gdbm_errno code>error throw ;
: check-error ( ret -- ) 0 = [ gdbm-throw ] unless ;
+
SYMBOL: current-dbf
: dbf ( -- dbf ) current-dbf get ;
PRIVATE>
+: gdbm-error-message ( error -- msg ) error>code gdbm_strerror ;
+
: gdbm-replace ( key content -- ) GDBM_REPLACE gdbm-store ;
: gdbm-insert ( key content -- ) GDBM_INSERT gdbm-store ;