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rough code to convert dicts. untested

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This commit is contained in:
ehouse 2003-12-11 05:58:24 +00:00
parent d9f71dd341
commit 3e3fca64dc
1 changed files with 91 additions and 1 deletions
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92
xwords4/palm/dictlist.c
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@ -51,6 +51,9 @@ struct PalmDictList {
//////////////////////////////////////////////////////////////////////////////
// Prototypes
//////////////////////////////////////////////////////////////////////////////
static PalmDictList* dictListMakePriv( MPFORMAL XP_U32 creator );
XP_Bool
getNthDict( const PalmDictList* dl, short n, DictListEntry** dle )
{
@ -274,6 +277,12 @@ cleanList( PalmDictList** dl )
PalmDictList*
DictListMake( MPFORMAL_NOCOMMA )
{
return dictListMakePriv( MPPARM(mpool) TYPE_XWRDICT );
}
static PalmDictList*
dictListMakePriv( MPFORMAL XP_U32 creator )
{
Err err;
DmSearchStateType stateType;
@ -287,7 +296,7 @@ DictListMake( MPFORMAL_NOCOMMA )
/* first the DM case */
while ( !found ) {
err = DmGetNextDatabaseByTypeCreator( newSearch, &stateType, TYPE_DAWG,
TYPE_XWRDICT/* APPID */,
creator/* APPID */,
false,// onlyLatestVers,
&cardNo, &dbID );
if ( err != 0 ) {
@ -348,3 +357,84 @@ DictListCount( PalmDictList* dl )
return dl->nDicts;
}
} /* dictListCount */
#ifdef NODE_CAN_4
static void
convertOneDict( UInt16 cardNo, LocalID dbID )
{
Err err;
UInt32 creator;
DmOpenRef ref;
MemHandle h;
dawg_header* header;
dawg_header tmp;
XP_U16 siz;
#ifdef DEBUG
err = DmDatabaseInfo( cardNo, dbID, NULL,
NULL, NULL, NULL,
NULL, NULL,
NULL, NULL,
NULL, NULL,
&creator );
XP_ASSERT( creator == 'Xwr3' );
#endif
creator = 'Xwr4';
err = DmSetDatabaseInfo( cardNo, dbID, NULL,
NULL, NULL, NULL,
NULL, NULL,
NULL, NULL,
NULL, NULL,
&creator );
XP_ASSERT( err == errNone );
/* now modify the flags */
ref = DmOpenDatabase( cardNo, dbID, dmModeReadWrite );
XP_ASSERT( ref != 0 );
h = DmGetRecord( ref, 0 );
siz = MemHandleSize( h );
if ( siz < sizeof(*header) ) {
MemHandleResize( h, sizeof(*header) );
}
tmp.flags = 0x0002;
DmWrite( MemHandleLock(h), OFFSET_OF(dawg_header,flags), &tmp.flags,
sizeof(tmp.flags) );
MemHandleUnlock(h);
DmReleaseRecord( ref, 0, true );
DmCloseDatabase( ref );
} /* convertOneDict */
void
offerConvertOldDicts( PalmAppGlobals* globals )
{
PalmDictList* dl = dictListMakePriv( MPPARM(globals->mpool) 'Xwr3' );
XP_U16 count = DictListCount(dl);
if ( count > 0 ) {
if ( palmask( globals,
"Do you want to convert existing Crosswords "
"dictionaries to the new format? "
"The change is not reversible.",
NULL, -1 ) ) {
XP_U16 i;
for ( i = 0; i < count; ++i ) {
DictListEntry* dle;
if ( getNthDict( dl, i, &dle ) ) {
if ( dle->location == DL_STORAGE ) {
convertOneDict( dle->u.dmData.cardNo, dle->u.dmData.dbID );
}
}
}
}
}
DictListFree( MPPARM(globals->mpool) dl );
} /* offerConvertOldDicts */
#endif