pjs/modules/rdf/src/nlcstore.h

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C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef _RDF_NLCSTORE_H_
#define _RDF_NLCSTORE_H_
#include "rdf-int.h"
#include "rdf.h"
#include "xp.h"
#include "mcom_ndbm.h"
#include "xpassert.h"
#include "xpgetstr.h"
#if !defined(IS_LITTLE_ENDIAN) && !defined(IS_BIG_ENDIAN)
#error Must have a byte order
#endif
#ifdef IS_LITTLE_ENDIAN
#define COPY_INT16(_a,_b) XP_MEMCPY(_a, _b, sizeof(uint16));
#else
#define COPY_INT16(_a,_b) \
do { \
((char *)(_a))[0] = ((char *)(_b))[1]; \
((char *)(_a))[1] = ((char *)(_b))[0]; \
} while(0)
#endif
#if !defined(XP_MAC) && !defined(COPY_INT16)
#define COPY_INT16(_a,_b) XP_MEMCPY(_a, _b, sizeof(int16));
#endif
/* nlcstore.c data structures and defines */
extern int RDF_PERSONAL_TOOLBAR_NAME;
#ifdef XP_MAC
#pragma options align=packed
#endif
typedef struct _DBMAsStruct {
uint8 size[3];
uint8 tag;
uint8 data[1]; /* me & the compiler man, we're like _this_ */
} DBMAsStruct;
typedef DBMAsStruct* DBMAs;
#ifdef XP_MAC
#pragma options align=reset
#endif
typedef struct _DBMRDFStruct {
DB *propDB;
DB *invPropDB;
DB *nameDB;
DB *childrenDB;
} *DBMRDF;
#define dataOfDBMAs(dbmas) (((char *)dbmas) + 4)
#define dbmasSize(dbmas) ((size_t)(((1 << 16) * dbmas->size[0]) + ((1 << 8) * dbmas->size[1]) + dbmas->size[2]))
#define nthdbmas(data, n) ((DBMAs)(((char *)data) + n))
#define valueTypeOfAs(nas) (RDF_ValueType) ((*(((uint8 *)(nas)) + 3)) & 0x0F)
#define tvOfAs(nas) ((PRBool)(((*((uint8 *)(nas) + 3)) & 0x10) != 0))
#define valueEqual(type, v1, v2) (((type == RDF_RESOURCE_TYPE) && stringEquals((char*)v1, resourceID((RDF_Resource)v2))) || \
((type == RDF_INT_TYPE) && (compareUnalignedUINT32Ptrs(v1,v2))) || \
((type == RDF_STRING_TYPE) && stringEquals((char*)v1, (char*)v2)))
/* nlcstore.c function prototypes */
XP_BEGIN_PROTOS
PRBool compareUnalignedUINT32Ptrs(void *v1, void *v2);
char * makeRDFDBURL(char* directory, char* name);
void readInBookmarksOnInit(RDFFile f);
void DBM_OpenDBMStore (DBMRDF store, char* directory);
RDF_Error DBM_CloseRDFDBMStore (RDFT r);
char * makeUSKey (RDF_Resource u, RDF_Resource s, PRBool inversep, size_t *size);
DB * getUSDB (RDFT r, RDF_Resource u, RDF_Resource s, PRBool inversep);
void freeKey (char* keyData, RDF_Resource u, RDF_Resource s, PRBool inversep);
DBMAs * DBM_GetSlotValue (RDFT rdf, RDF_Resource u, RDF_Resource s, PRBool inversep, size_t *size);
void DBM_PutSlotValue (RDFT rdf, RDF_Resource u, RDF_Resource s, PRBool inversep, void* value, size_t size);
PRBool nlocalStoreHasAssertion (RDFT rdf, RDF_Resource u, RDF_Resource s, void* v, RDF_ValueType type, PRBool tv);
void * nlocalStoreGetSlotValue (RDFT rdf, RDF_Resource u, RDF_Resource s, RDF_ValueType type, PRBool inversep, PRBool tv);
RDF_Cursor nlocalStoreGetSlotValues (RDFT rdf, RDF_Resource u, RDF_Resource s, RDF_ValueType type, PRBool inversep, PRBool tv);
void * nlocalStoreNextValue (RDFT rdf, RDF_Cursor c);
RDF_Error nlocalStoreDisposeCursor (RDFT rdf, RDF_Cursor c);
DBMAs makeAsBlock (void* v, RDF_ValueType type, PRBool tv, size_t *size);
PRBool nlocalStoreAssert (RDFT rdf, RDF_Resource u, RDF_Resource s, void* v, RDF_ValueType type, PRBool tv);
PRBool nlocalStoreAssert1 (RDFFile f, RDFT rdf, RDF_Resource u, RDF_Resource s, void* v, RDF_ValueType type, PRBool tv);
PRBool nlocalStoreUnassert (RDFT rdf, RDF_Resource u, RDF_Resource s, void* v, RDF_ValueType type);
void addSlotsHere (RDFT rdf, RDF_Resource u, RDF_Resource s);
void deleteSlotsHere (RDFT rdf, RDF_Resource u, RDF_Resource s);
void addSlotsIn (RDFT rdf, RDF_Resource u, RDF_Resource s);
void deleteSlotsIn (RDFT rdf, RDF_Resource u, RDF_Resource s);
void nlclStoreKill (RDFT rdf, RDF_Resource u);
PRBool nlocalStoreAddChildAt(RDFT rdf, RDF_Resource parent, RDF_Resource ref, RDF_Resource new, PRBool beforep);
RDF_Cursor nlcStoreArcsIn (RDFT rdf, RDF_Resource u);
RDF_Cursor nlcStoreArcsOut (RDFT rdf, RDF_Resource u);
RDF_Resource nlcStoreArcsInOutNextValue (RDFT rdf, RDF_Cursor c);
RDFT MakeLocalStore (char* url);
RDF_Resource nlcStoreArcsInOutNextValue (RDFT rdf, RDF_Cursor c) ;
XP_END_PROTOS
#endif