pjs/modules/rdf/src/rdfht.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): 
 */

/* 
   This file implements high level support for the rdf data model.
   For more information on this file, contact rjc or guha 
   For more information on RDF, look at the RDF section of www.mozilla.org
*/

#include "rdf-int.h"
#include "xpassert.h"
#include "fs2rdf.h"
#include "glue.h"
#include "vocab.h"
#include "vocabint.h"
#include "bmk2mcf.h"
#include "ht.h"
#include "mcf.h"


	/* externs */
extern	char	*profileDirURL;
extern	char	*gBookmarkURL;
extern	RDF	gNCDB ;
extern	char	*gGlobalHistoryURL;

static PRBool sRDFInitedB = PR_FALSE;
char*  gNavCntrUrl;


char * gNavCenterDataSources[15] = 
{"rdf:localStore", "rdf:remoteStore", "rdf:remoteStore", "rdf:history",
 /* "rdf:ldap", */
 "rdf:esftp",
 "rdf:lfs", "rdf:CookieStore",
 "rdf:columns",  "rdf:find",

#ifdef	XP_MAC
	"rdf:appletalk",
#endif
 
 NULL, NULL
};



RDF
newNavCenterDB()
{
	return  RDF_GetDB((char**)gNavCenterDataSources);
}


void
walkThroughAllBookmarks (RDF_Resource u)
{
#ifdef MOZILLA_CLIENT
  RDF_Cursor c = RDF_GetSources(gNCDB, u, gCoreVocab->RDF_parent, RDF_RESOURCE_TYPE, true);
  RDF_Resource next;
  while ((next = RDF_NextValue(c)) != NULL) {
    if (resourceType(next) == RDF_RT) walkThroughAllBookmarks(next);
  }
  RDF_DisposeCursor(c);
#endif
}



PR_PUBLIC_API(RDF_Error)
RDF_Init(RDF_InitParams params)
{
#ifdef MOZILLA_CLIENT
  char* navCenterURL;
#endif
  if ( sRDFInitedB )
    return -1;

#ifdef MOZILLA_CLIENT
  XP_ASSERT(params->profileURL != NULL);
  XP_ASSERT(params->bookmarksURL != NULL);
  XP_ASSERT(params->globalHistoryURL != NULL);

  /*
     copy init params out before doing anything else (such as creating vocabulary)
     to prevent any XP_GetString round-robin problems (ex: FE could be using XP_GetString
     to pass in the init strings, which createVocabs() could affect
  */
  profileDirURL     = copyString(params->profileURL);
  gBookmarkURL      = copyString(params->bookmarksURL);
  gGlobalHistoryURL = copyString(params->globalHistoryURL);
#endif

  resourceHash = PL_NewHashTable(500, PL_HashString, PL_CompareStrings, 
                                 PL_CompareValues,   NULL, NULL);
  dataSourceHash = PL_NewHashTable(100, PL_HashString, PL_CompareStrings, 
                                   PL_CompareValues,  NULL, NULL);
  RDFglueInitialize();
  MakeRemoteStore("rdf:remoteStore");
  createVocabs();
  sRDFInitedB = PR_TRUE;

#ifdef MOZILLA_CLIENT
  PREF_SetDefaultCharPref("browser.NavCenter", "http://rdf.netscape.com/rdf/navcntr.rdf");
  PREF_CopyCharPref("browser.NavCenter", &navCenterURL);
    
  if (!strchr(navCenterURL, ':')) {
    navCenterURL = makeDBURL(navCenterURL);
  }
   gNavCntrUrl = copyString(navCenterURL);
  *(gNavCenterDataSources + 1) = copyString(navCenterURL);
  gNCDB = newNavCenterDB(); 
  freeMem(navCenterURL);

  HT_Startup();

  GuessIEBookmarks();

#endif
  walkThroughAllBookmarks(RDF_GetResource(NULL, "NC:Bookmarks", true));
  return 0;
}



/*need to keep a linked list of all the dbs opened so that they
  can all be closed down on exit */



PR_PUBLIC_API(RDF_Error)
RDF_Shutdown ()
{
#ifdef MOZILLA_CLIENT
  /*  flushBookmarks(); */
  HT_Shutdown();
  RDFglueExit();
  if (profileDirURL != NULL)
  {
  	freeMem(profileDirURL);
  	profileDirURL = NULL;
  }
  if (gBookmarkURL != NULL)
  {
  	freeMem(gBookmarkURL);
  	gBookmarkURL = NULL;
  }
  if (gGlobalHistoryURL != NULL)
  {
  	freeMem(gGlobalHistoryURL);
  	gGlobalHistoryURL = NULL;
  }
  if (gLocalStoreURL != NULL)
  {
  	freeMem(gLocalStoreURL);
  	gLocalStoreURL = NULL;
  }
#endif
  disposeAllDBs();
  sRDFInitedB = PR_FALSE;
  
  return 0;
}