rockbox/apps/plugins/searchengine/token.c
Michiel Van Der Kolk f34e4ff6a4 Autorating should work now. at least. it would. but there is no runtime data to work with (yet)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6455 a1c6a512-1295-4272-9138-f99709370657
2005-05-11 00:12:33 +00:00

104 lines
4.1 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Michiel van der Kolk
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "searchengine.h"
#include "token.h"
#include "dbinterface.h"
char *getstring(struct token *token) {
char buf[200];
switch(token->kind) {
case TOKEN_STRING:
return token->spelling;
case TOKEN_STRINGIDENTIFIER:
switch(token->intvalue) {
case INTVALUE_TITLE:
loadsongdata();
return currententry->title;
case INTVALUE_ARTIST:
loadartistname();
return currententry->artistname;
case INTVALUE_ALBUM:
loadalbumname();
return currententry->albumname;
case INTVALUE_GENRE:
loadsongdata();
return currententry->genre;
case INTVALUE_FILENAME:
return currententry->filename;
default:
rb->snprintf(buf,199,"unknown stringid intvalue %d",token->intvalue);
rb->splash(HZ*2,true,buf);
return "";
}
break;
default:
// report error
rb->snprintf(buf,199,"unknown token %d in getstring..",token->kind);
rb->splash(HZ*2,true,buf);
return "";
}
}
int getvalue(struct token *token) {
char buf[200];
int index,i;
switch(token->kind) {
case TOKEN_NUM:
return token->intvalue;
case TOKEN_NUMIDENTIFIER:
switch(token->intvalue) {
case INTVALUE_YEAR:
loadsongdata();
return currententry->year;
case INTVALUE_RATING:
loadrundbdata();
return currententry->rating;
case INTVALUE_PLAYCOUNT:
loadrundbdata();
return currententry->playcount;
case INTVALUE_AUTORATING:
if(!dbglobal.gotplaycountlimits) {
index=dbglobal.currententryindex;
dbglobal.playcountmax=0;
dbglobal.playcountmin=0xFFFFFFFF;
for(i=0;i<rb->tagdbheader->filecount;i++) {
loadentry(i);
loadrundbdata();
if(currententry->playcount>dbglobal.playcountmax)
dbglobal.playcountmax=currententry->playcount;
if(currententry->playcount<dbglobal.playcountmin)
dbglobal.playcountmin=currententry->playcount;
}
dbglobal.gotplaycountlimits=1;
loadentry(index);
}
loadrundbdata();
return (currententry->playcount-dbglobal.playcountmin)*10/(dbglobal.playcountmax-dbglobal.playcountmin);
default:
rb->snprintf(buf,199,"unknown numid intvalue %d",token->intvalue);
rb->splash(HZ*2,true,buf);
// report error.
return 0;
}
default:
rb->snprintf(buf,199,"unknown token %d in getvalue..",token->kind);
rb->splash(HZ*2,true,buf);
return 0;
}
}