Search engine core for database v2, has an hardcoded "songs for year >= 1980 and year < 1990" at the moment.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6367 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 101 insertions, 0 deletions

diff --git a/apps/plugins/searchengine/searchengine.c b/apps/plugins/searchengine/searchengine.c
new file mode 100644
index 0000000000..4b14836ddc
--- /dev/null
+++ b/apps/plugins/searchengine/searchengine.c
@@ -0,0 +1,101 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   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 "parser.h"
+#include "token.h"
+#include "dbinterface.h"
+
+void *audio_bufferbase;
+void *audio_bufferpointer;
+unsigned int audio_buffer_free;
+struct plugin_api* rb;
+int w, h, y;
+
+void *my_malloc(size_t size)
+{
+    void *alloc;
+
+    if (!audio_bufferbase)
+    {
+        audio_bufferbase = audio_bufferpointer
+            = rb->plugin_get_audio_buffer(&audio_buffer_free);
+    }
+    if (size + 4 > audio_buffer_free)
+        return 0;
+    alloc = audio_bufferpointer;
+    audio_bufferpointer += size + 4;
+    audio_buffer_free -= size + 4;
+    return alloc;
+}
+
+void setmallocpos(void *pointer) 
+{
+    audio_bufferpointer = pointer;
+    audio_buffer_free = audio_bufferpointer - audio_bufferbase;
+}
+
+struct token tokenstream[10];
+
+/* this is the plugin entry point */
+enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
+{
+    unsigned char *result,buf[500];
+    /* this macro should be called as the first thing you do in the plugin.
+       it test that the api version and model the plugin was compiled for
+       matches the machine it is running on */
+    TEST_PLUGIN_API(api);
+
+    (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;
+    
+    audio_bufferbase=audio_bufferpointer=0;
+    audio_buffer_free=0;
+
+    /* now go ahead and have fun! */
+    rb->splash(HZ*2, true, "SearchEngine v0.1"); 
+    tokenstream[0].kind=TOKEN_NUMIDENTIFIER;
+    tokenstream[0].intvalue=INTVALUE_YEAR;
+    tokenstream[1].kind=TOKEN_GTE;
+    tokenstream[2].kind=TOKEN_NUM;
+    tokenstream[2].intvalue=1980;
+    tokenstream[3].kind=TOKEN_AND;
+    tokenstream[4].kind=TOKEN_NUMIDENTIFIER;
+    tokenstream[4].intvalue=INTVALUE_YEAR;
+    tokenstream[5].kind=TOKEN_LT;
+    tokenstream[6].kind=TOKEN_NUM;
+    tokenstream[6].intvalue=1990;
+    tokenstream[7].kind=TOKEN_EOF;
+    result=parse(tokenstream);
+    rb->snprintf(buf,250,"Retval: 0x%x",result);
+    PUTS(buf);
+    if(result!=0) {
+        int fd=rb->open("/search.m3u", O_WRONLY|O_CREAT|O_TRUNC);
+        int i;
+        for(i=0;i<rb->tagdbheader->filecount;i++)
+          if(result[i])
+            rb->fdprintf(fd,"%s\n",getfilename(i));
+/*      rb->write(fd,result,rb->tagdbheader->filecount);*/
+        rb->close(fd);
+    }
+    rb->sleep(HZ*10);
+    return PLUGIN_OK;
+}