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rockbox/apps/plugins/databox/databox.c

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Björn Stenberg
*
* 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 "databox.h"
PLUGIN_HEADER
/* variable button definitions */
#if (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
(CONFIG_KEYPAD == IRIVER_H300_PAD)
#define DBX_SELECT BUTTON_SELECT
#define DBX_STOP BUTTON_OFF
#elif CONFIG_KEYPAD == RECORDER_PAD
#define DBX_SELECT BUTTON_PLAY
#define DBX_STOP BUTTON_OFF
#elif CONFIG_KEYPAD == ONDIO_PAD
#define DBX_SELECT BUTTON_MENU
#define DBX_STOP BUTTON_OFF
#elif (CONFIG_KEYPAD == IPOD_4G_PAD)
#define DBX_SELECT BUTTON_SELECT
#define DBX_STOP BUTTON_MENU
#elif CONFIG_KEYPAD == PLAYER_PAD
#define DBX_SELECT BUTTON_PLAY
#define DBX_STOP BUTTON_STOP
#elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD
#define DBX_SELECT BUTTON_SELECT
#define DBX_STOP BUTTON_PLAY
#endif
#define MAX_TOKENS 70
/* here is a global api struct pointer. while not strictly necessary,
it's nice not to have to pass the api pointer in all function calls
in the plugin */
struct plugin_api* rb;
struct token tokenbuf[MAX_TOKENS];
struct print printing;
struct editor editor;
struct editing editing;
extern int acceptedmask;
void databox_init(void) {
#ifdef HAVE_LCD_BITMAP
printing.fontfixed = rb->font_get(FONT_SYSFIXED);
rb->lcd_setfont(FONT_SYSFIXED);
printing.font_w = printing.fontfixed->maxwidth;
printing.font_h = printing.fontfixed->height;
#endif
printing.line=0;
printing.position=0;
editor.editingmode = INVALID_MARK;
editor.token = tokenbuf;
}
#ifdef HAVE_LCD_BITMAP
void print(char *word, int invert) {
int strlen=rb->strlen(word), newpos=printing.position+strlen+1;
if(newpos*printing.font_w>LCD_WIDTH) {
printing.line++;
printing.position=0;
newpos=printing.position+strlen+1;
}
/* Fixme: the display code needs to keep the current item visible instead of
* just displaying the first items. */
if (printing.font_h*printing.line >= LCD_HEIGHT)
return;
rb->lcd_putsxy(printing.font_w*printing.position,printing.font_h*printing.line,word);
if(invert) {
rb->lcd_set_drawmode(DRMODE_COMPLEMENT);
rb->lcd_fillrect(printing.font_w*printing.position,printing.font_h*printing.line,printing.font_w*strlen,printing.font_h);
rb->lcd_set_drawmode(DRMODE_SOLID);
}
rb->lcd_update_rect(printing.font_w*printing.position,printing.font_h*printing.line,printing.font_w*strlen,printing.font_h);
printing.position=newpos;
}
#else /* HAVE_LCD_CHARCELLS */
#define MARKER_LEFT 0x81
#define MARKER_RIGHT 0x82
void print(char *word, int invert) {
int strlen = rb->strlen(word);
int newpos = printing.position + strlen + (invert ? 3 : 1);
if (newpos > 11) {
printing.line++;
printing.position = 0;
newpos = printing.position + strlen + (invert ? 3 : 1);
}
/* Fixme: the display code needs to keep the current item visible instead of
* just displaying the first items. */
if (printing.line >= 2)
return;
if (invert) {
rb->lcd_putc(printing.position, printing.line, MARKER_LEFT);
rb->lcd_puts(printing.position + 1, printing.line, word);
rb->lcd_putc(printing.position + strlen + 1, printing.line, MARKER_RIGHT);
}
else
rb->lcd_puts(printing.position, printing.line, word);
printing.position = newpos;
}
#endif
void displaytstream(struct token *token) {
int index=0;
while(token[index].kind!=TOKEN_EOF||index==editor.currentindex) {
if(editing.selecting&&index==editor.currentindex) {
print(tokentypetostring(editing.selection_candidates[editing.currentselection]),1);
}
else
print(tokentostring(&token[index]),index==editor.currentindex ? 1 : 0);
index++;
}
}
void buildchoices(int mask) {
int i;
for(i=0;i<20;i++)
editing.selection_candidates[i]=-1;
i=0;
if(editing.selecting&&
editing.old_token.kind!=TOKEN_EOF &&
editing.old_token.kind!=TOKEN_INVALID) {
editing.selection_candidates[i++]=TOKEN_EDIT;
}
if((mask&ACCEPT_EOF)&&editor.valid)
editing.selection_candidates[i++]=TOKEN_EOF;
if(mask&ACCEPT_NOT)
editing.selection_candidates[i++]=TOKEN_NOT;
if(mask&ACCEPT_BOOLOP) {
editing.selection_candidates[i++]=TOKEN_AND;
editing.selection_candidates[i++]=TOKEN_OR;
}
if(mask&ACCEPT_NUMOP) {
editing.selection_candidates[i++]=TOKEN_GT;
editing.selection_candidates[i++]=TOKEN_GTE;
editing.selection_candidates[i++]=TOKEN_LT;
editing.selection_candidates[i++]=TOKEN_LTE;
editing.selection_candidates[i++]=TOKEN_NE;
editing.selection_candidates[i++]=TOKEN_EQ;
}
if(mask&ACCEPT_STROP) {
editing.selection_candidates[i++]=TOKEN_CONTAINS;
editing.selection_candidates[i++]=TOKEN_EQUALS;
editing.selection_candidates[i++]=TOKEN_STARTSWITH;
editing.selection_candidates[i++]=TOKEN_ENDSWITH;
}
if(mask&ACCEPT_LPAREN) {
editing.selection_candidates[i++]=TOKEN_LPAREN;
}
if(mask&ACCEPT_RPAREN) {
editing.selection_candidates[i++]=TOKEN_RPAREN;
}
if(mask&ACCEPT_NUMARG) {
editing.selection_candidates[i++]=TOKEN_NUM;
editing.selection_candidates[i++]=TOKEN_YEAR;
editing.selection_candidates[i++]=TOKEN_RATING;
editing.selection_candidates[i++]=TOKEN_PLAYCOUNT;
editing.selection_candidates[i++]=TOKEN_AUTORATING;
editing.selection_candidates[i++]=TOKEN_TRACKNUM;
editing.selection_candidates[i++]=TOKEN_PLAYTIME;
editing.selection_candidates[i++]=TOKEN_SAMPLERATE;
editing.selection_candidates[i++]=TOKEN_BITRATE;
}
if(mask&ACCEPT_STRARG) {
editing.selection_candidates[i++]=TOKEN_STRING;
editing.selection_candidates[i++]=TOKEN_TITLE;
editing.selection_candidates[i++]=TOKEN_ARTIST;
editing.selection_candidates[i++]=TOKEN_ALBUM;
editing.selection_candidates[i++]=TOKEN_GENRE;
editing.selection_candidates[i++]=TOKEN_FILENAME;
}
editing.selectionmax=i;
}
/* returns tokencount or 0 if error */
int readtstream(char *filename,struct token *token,int max) {
int tokencount=0;
int filelen,i;
int fd;
rb->memset(token,0,max*sizeof(struct token));
fd=rb->open(filename,O_RDONLY);
if(fd>=0) {
filelen=rb->filesize(fd);
if(filelen>0) {
if(filelen % sizeof(struct token)) {
rb->splash(HZ*2,true,"Filesize not a multiple of sizeof(struct token)");
rb->close(fd);
return 0;
}
tokencount=(filelen/sizeof(struct token))-1;
for(i=0;i<tokencount&&i<max;i++) {
rb->read(fd,&token[i],sizeof(struct token));
token[i].intvalue=BE32(token[i].intvalue);
}
}
rb->close(fd);
}
return tokencount;
}
int writetstream(char *filename,struct token *token) {
int fd,i;
fd=rb->open(filename,O_WRONLY|O_CREAT|O_TRUNC);
if(fd<0)
return 0;
i=0;
while(token[i].kind!=TOKEN_EOF) {
token[i].intvalue=BE32(token[i].intvalue);
rb->write(fd,&token[i++],sizeof(struct token));
}
token[i].intvalue=BE32(token[i].intvalue);
rb->write(fd,&token[i++],sizeof(struct token));
rb->close(fd);
return i;
}
/* this is the plugin entry point */
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
int button,done=0,abort=0;
char filename[100],buf[100];
/* if you don't use the parameter, you can do like
this to avoid the compiler warning about it */
(void)parameter;
/* if you are using a global api pointer, don't forget to copy it!
otherwise you will get lovely "I04: IllInstr" errors... :-) */
rb = api;
/* now go ahead and have fun! */
rb->splash(HZ*2, true, "Databox! Enter filename ^.^");
databox_init();
filename[0] = '\0';
if(rb->kbd_input(filename, sizeof filename)) {
rb->splash(HZ*2, true, "Cancelled...");
return PLUGIN_OK;
}
/* add / in front if omitted */
if(filename[0]!='/') {
rb->strncpy(buf+1,filename,sizeof(filename)-1);
buf[0]='/';
rb->strcpy(filename,buf);
}
/* add extension if omitted */
if(rb->strncasecmp(filename+rb->strlen(filename)-4,".rsp",4)) {
rb->strcat(filename,".rsp");
}
editor.currentindex=editor.tokencount
=readtstream(filename,editor.token,MAX_TOKENS);
editing.currentselection=0;
editing.selecting=0;
if(editor.currentindex==0) {
editor.valid=check_tokenstream(editor.token,editor.editingmode);
check_accepted(editor.token,editor.currentindex);
editing.selecting=1;
buildchoices(acceptedmask);
rb->memset(&editing.old_token,0,sizeof(struct token));
}
do {
#ifdef HAVE_LCD_BITMAP
rb->lcd_setfont(FONT_SYSFIXED);
#endif
rb->lcd_clear_display();
printing.line=0;
printing.position=0;
displaytstream(editor.token);
editor.valid=check_tokenstream(editor.token,editor.editingmode);
check_accepted(editor.token,editor.currentindex);
#ifdef HAVE_LCD_BITMAP
rb->lcd_update();
#endif
button = rb->button_get(true);
switch (button) {
case BUTTON_LEFT:
#ifdef BUTTON_DOWN
case BUTTON_DOWN:
#endif
if (editing.selecting)
editing.currentselection = (editing.currentselection +
editing.selectionmax-1) % editing.selectionmax;
else
editor.currentindex = (editor.currentindex + editor.tokencount)
% (editor.tokencount+1);
break;
case BUTTON_RIGHT:
#ifdef BUTTON_UP
case BUTTON_UP:
#endif
if (editing.selecting)
editing.currentselection = (editing.currentselection+1)
% editing.selectionmax;
else
editor.currentindex = (editor.currentindex+1)
% (editor.tokencount+1);
break;
case DBX_SELECT:
if(editing.selecting) {
buildtoken(editing.selection_candidates[editing.currentselection],
&editor.token[editor.currentindex]);
editing.selecting=0;
if(editor.token[editor.currentindex].kind==TOKEN_EOF)
done=1;
else if(editor.currentindex==editor.tokencount) {
editor.tokencount++;
editor.currentindex++;
editor.valid=check_tokenstream(editor.token,editor.editingmode);
check_accepted(editor.token,editor.currentindex);
editing.selecting=1;
editing.currentselection=0;
buildchoices(acceptedmask);
rb->memcpy(&editing.old_token,&editor.token[editor.currentindex],
sizeof(struct token));
}
}
else {
editing.selecting=1;
editing.currentselection=0;
buildchoices(acceptedmask);
rb->memcpy(&editing.old_token,&editor.token[editor.currentindex],
sizeof(struct token));
}
break;
case DBX_STOP:
if(editing.selecting) {
rb->memcpy(&editor.token[editor.currentindex],&editing.old_token,
sizeof(struct token));
editing.selecting=0;
}
else
abort=1;
break;
default:
if (rb->default_event_handler(button) == SYS_USB_CONNECTED) {
#ifdef HAVE_LCD_BITMAP
rb->lcd_setfont(FONT_UI);
#endif
return PLUGIN_USB_CONNECTED;
}
break;
}
} while (!done&&!abort);
#ifdef HAVE_LCD_BITMAP
rb->lcd_setfont(FONT_UI);
#endif
if(abort)
return PLUGIN_OK;
if(editor.valid&&editor.tokencount>0) {
if(writetstream(filename,editor.token)) {
rb->splash(HZ*2,true,"Wrote file succesfully ^.^");
return PLUGIN_OK;
}
else {
rb->splash(HZ*2,true,"Error while writing file :(");
return PLUGIN_ERROR;
}
}
else {
rb->splash(HZ*2,true,"Search query invalid, not saving.");
return PLUGIN_OK;
}
}
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