/* Save a given word in bookmarks database. */
Err AddBookmark(AppContext* appContext, char * word)
{
Err err;
UInt16 pos;
Boolean fWordAlreadyBookmarked;
MemHandle recHandle;
char * wordInRec;
BookmarkSortType currDbOpen;
currDbOpen = appContext->currBookmarkDbType;
// 1. See if we already have the record in bookmarks.
// We assume that if the record wasn't found in sorted-by-name database, it doesn't exist in the other.
// The sorted-by-name database is quicker to scan, because we can use binary search.
err = OpenBookmarksDB(appContext, bkmSortByName);
if (errNone != err)
goto Exit;
pos = DmFindSortPosition(appContext->bookmarksDb, word, NULL, (DmComparF *) BookmarksByNameCompare, 0);
fWordAlreadyBookmarked = false;
// DmFindSortPosition returns the position there the new record should be placed
// so if the record exist its position is (pos - 1)
recHandle = DmQueryRecord(appContext->bookmarksDb, pos>0 ? pos-1 : pos);
// it's ok if we don't get handle - this might be an empty database
if (recHandle)
{
wordInRec = (char*)MemHandleLock(recHandle);
if (0 == StrCompare(word, wordInRec))
fWordAlreadyBookmarked = true;
MemHandleUnlock(recHandle);
}
if (fWordAlreadyBookmarked)
{
err = errNone;
goto Exit;
}
// 2. If we haven't found the record, we add it to databases
WriteWordInRecord(appContext->bookmarksDb, pos, word);
CloseBookmarksDB(appContext);
err = OpenBookmarksDB(appContext, bkmSortByTime);
if (errNone != err)
goto Exit;
// the record must be put chronogically, so we add it at the beginning of the database
WriteWordInRecord(appContext->bookmarksDb, 0, word);
CloseBookmarksDB(appContext);
Exit:
if (bkmInvalid != currDbOpen)
OpenBookmarksDB(appContext, currDbOpen);
return err;
}
/************************************************************
*
* FUNCTION: ApptFindSortPosition
*
* DESCRIPTION: Return where a record is or should be
* Useful to find or find where to insert a record.
*
* PARAMETERS: database record
*
* RETURNS: position where a record should be
*
* CREATED: 1/25/95
*
* BY: Roger Flores
*
*************************************************************/
static UInt16 ApptFindSortPosition(DmOpenRef dbP, ApptPackedDBRecordPtr
newRecord)
{
return (DmFindSortPosition (dbP, newRecord, NULL,
(DmComparF *)ApptComparePackedRecords, 0));
}
static UInt16 HDFindSortPosition(DmOpenRef dbP, PackedHappyDays* newRecord)
{
return DmFindSortPosition(dbP, (void*)newRecord, 0,
(DmComparF *)HDComparePackedRecords, 0);
}
