X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=ext%2FODBM_File%2FODBM_File.xs;h=3504ff64fdb7a40d580d7fe968153d117d58d3d5;hb=eb5402b2a7d45862a5feaae8ddab00f7e505298a;hp=5127ea52a39679d52685ac6117f6b64c7cd282e7;hpb=3280af22f58e7b37514ed104858e2c2fc55ceeeb;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/ext/ODBM_File/ODBM_File.xs b/ext/ODBM_File/ODBM_File.xs
index 5127ea5..3504ff6 100644
--- a/ext/ODBM_File/ODBM_File.xs
+++ b/ext/ODBM_File/ODBM_File.xs
@@ -2,9 +2,6 @@
 #include "perl.h"
 #include "XSUB.h"
 
-#ifdef NULL
-#undef NULL  /* XXX Why? */
-#endif
 #ifdef I_DBM
 #  include <dbm.h>
 #else
@@ -13,6 +10,20 @@
 #  endif
 #endif
 
+#ifndef HAS_DBMINIT_PROTO
+int	dbminit(char* filename);
+int	dbmclose(void);
+datum	fetch(datum key);
+int	store(datum key, datum dat);
+#  ifdef __cplusplus
+int	odelete(datum key);	/* Cannot be delete() for C++. */
+#  else
+int	delete(datum key); 
+#  endif
+datum	firstkey(void);
+datum	nextkey(datum key);
+#endif
+
 #ifdef DBM_BUG_DUPLICATE_FREE 
 /*
  * DBM on at least Ultrix and HPUX call dbmclose() from dbminit(),
@@ -25,20 +36,44 @@
  * Set DBM_BUG_DUPLICATE_FREE in the extension hint file.
  */
 /* Close the previous dbm, and fail to open a new dbm */
-#define dbmclose()	((void) dbminit("/tmp/x/y/z/z/y"))
+#define dbmclose()	((void) dbminit("/non/exist/ent"))
 #endif
 
 #include <fcntl.h>
 
-typedef void* ODBM_File;
+typedef struct {
+	void * 	dbp ;
+	SV *    filter_fetch_key ;
+	SV *    filter_store_key ;
+	SV *    filter_fetch_value ;
+	SV *    filter_store_value ;
+	int     filtering ;
+	} ODBM_File_type;
+
+typedef ODBM_File_type * ODBM_File ;
+typedef datum datum_key ;
+typedef datum datum_key_copy ;
+typedef datum datum_value ;
 
 #define odbm_FETCH(db,key)			fetch(key)
 #define odbm_STORE(db,key,value,flags)		store(key,value)
-#define odbm_DELETE(db,key)			delete(key)
+#ifdef __cplusplus
+#  define odbm_DELETE(db,key)			odelete(key)
+#else
+#  define odbm_DELETE(db,key)			delete(key)
+#endif
 #define odbm_FIRSTKEY(db)			firstkey()
 #define odbm_NEXTKEY(db,key)			nextkey(key)
 
-static int dbmrefcnt;
+#define MY_CXT_KEY "ODBM_File::_guts" XS_VERSION
+
+typedef struct {
+    int		x_dbmrefcnt;
+} my_cxt_t;
+
+START_MY_CXT
+
+#define dbmrefcnt	(MY_CXT.x_dbmrefcnt)
 
 #ifndef DBM_REPLACE
 #define DBM_REPLACE 0
@@ -46,9 +81,10 @@ static int dbmrefcnt;
 
 MODULE = ODBM_File	PACKAGE = ODBM_File	PREFIX = odbm_
 
-#ifndef NULL
-#  define NULL 0
-#endif
+BOOT:
+{
+    MY_CXT_INIT;
+}
 
 ODBM_File
 odbm_TIEHASH(dbtype, filename, flags, mode)
@@ -59,9 +95,12 @@ odbm_TIEHASH(dbtype, filename, flags, mode)
 	CODE:
 	{
 	    char *tmpbuf;
+	    void * dbp ;
+	    dMY_CXT;
+
 	    if (dbmrefcnt++)
 		croak("Old dbm can only open one database");
-	    New(0, tmpbuf, strlen(filename) + 5, char);
+	    Newx(tmpbuf, strlen(filename) + 5, char);
 	    SAVEFREEPV(tmpbuf);
 	    sprintf(tmpbuf,"%s.dir",filename);
 	    if (stat(tmpbuf, &PL_statbuf) < 0) {
@@ -75,28 +114,34 @@ odbm_TIEHASH(dbtype, filename, flags, mode)
 		else
 		    croak("ODBM_FILE: Can't open %s", filename);
 	    }
-	    RETVAL = (void*)(dbminit(filename) >= 0 ? &dbmrefcnt : 0);
-	    ST(0) = sv_mortalcopy(&sv_undef);
+	    dbp = (void*)(dbminit(filename) >= 0 ? &dbmrefcnt : 0);
+	    RETVAL = (ODBM_File)safemalloc(sizeof(ODBM_File_type)) ;
+    	    Zero(RETVAL, 1, ODBM_File_type) ;
+	    RETVAL->dbp = dbp ;
+	    ST(0) = sv_mortalcopy(&PL_sv_undef);
 	    sv_setptrobj(ST(0), RETVAL, dbtype);
 	}
 
 void
 DESTROY(db)
 	ODBM_File	db
+	PREINIT:
+	dMY_CXT;
 	CODE:
 	dbmrefcnt--;
 	dbmclose();
+	safefree(db);
 
-datum
+datum_value
 odbm_FETCH(db, key)
 	ODBM_File	db
-	datum		key
+	datum_key_copy	key
 
 int
 odbm_STORE(db, key, value, flags = DBM_REPLACE)
 	ODBM_File	db
-	datum		key
-	datum		value
+	datum_key	key
+	datum_value	value
 	int		flags
     CLEANUP:
 	if (RETVAL) {
@@ -109,14 +154,66 @@ odbm_STORE(db, key, value, flags = DBM_REPLACE)
 int
 odbm_DELETE(db, key)
 	ODBM_File	db
-	datum		key
+	datum_key	key
 
-datum
+datum_key
 odbm_FIRSTKEY(db)
 	ODBM_File	db
 
-datum
+datum_key
 odbm_NEXTKEY(db, key)
 	ODBM_File	db
-	datum		key
+	datum_key	key
+
+
+#define setFilter(type)					\
+	{						\
+	    if (db->type)				\
+	        RETVAL = sv_mortalcopy(db->type) ; 	\
+	    ST(0) = RETVAL ;				\
+	    if (db->type && (code == &PL_sv_undef)) {	\
+                SvREFCNT_dec(db->type) ;		\
+	        db->type = Nullsv ;			\
+	    }						\
+	    else if (code) {				\
+	        if (db->type)				\
+	            sv_setsv(db->type, code) ;		\
+	        else					\
+	            db->type = newSVsv(code) ;		\
+	    }	    					\
+	}
+
+
+
+SV *
+filter_fetch_key(db, code)
+	ODBM_File	db
+	SV *		code
+	SV *		RETVAL = &PL_sv_undef ;
+	CODE:
+	    DBM_setFilter(db->filter_fetch_key, code) ;
+
+SV *
+filter_store_key(db, code)
+	ODBM_File	db
+	SV *		code
+	SV *		RETVAL =  &PL_sv_undef ;
+	CODE:
+	    DBM_setFilter(db->filter_store_key, code) ;
+
+SV *
+filter_fetch_value(db, code)
+	ODBM_File	db
+	SV *		code
+	SV *		RETVAL =  &PL_sv_undef ;
+	CODE:
+	    DBM_setFilter(db->filter_fetch_value, code) ;
+
+SV *
+filter_store_value(db, code)
+	ODBM_File	db
+	SV *		code
+	SV *		RETVAL =  &PL_sv_undef ;
+	CODE:
+	    DBM_setFilter(db->filter_store_value, code) ;