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, 61 insertions, 0 deletions

diff --git a/apps/plugins/searchengine/token.c b/apps/plugins/searchengine/token.c
new file mode 100644
index 0000000..d2da94a
--- /dev/null
+++ b/apps/plugins/searchengine/token.c
@@ -0,0 +1,61 @@
+#include "token.h"
+#include "dbinterface.h"
+
+#define REQUIRESONGDATA() if(!currententry->loadedsongdata) loadsongdata();
+#define REQUIRERUNDBDATA() if(!currententry->loadedrundbdata) loadrundbdata();
+#define REQUIREALBUMNAME() if(!currententry->loadedalbumname) { REQUIRESONGDATA(); loadalbumname(); }
+#define REQUIREARTISTNAME() if(!currententry->loadedartistname) { REQUIRESONGDATA(); loadartistname(); }
+
+char *getstring(struct token *token) {
+	switch(token->kind) {
+		case TOKEN_STRING:
+			return token->spelling;
+		case TOKEN_STRINGIDENTIFIER:
+			switch(token->intvalue) {
+				case INTVALUE_TITLE:
+					REQUIRESONGDATA();
+					return currententry->title;
+				case INTVALUE_ARTIST:
+					REQUIREARTISTNAME();
+					return currententry->artistname;
+				case INTVALUE_ALBUM:
+					REQUIREALBUMNAME();
+					return currententry->albumname;
+				case INTVALUE_GENRE:
+					REQUIRESONGDATA();
+					return currententry->genre;
+				case INTVALUE_FILENAME:
+					return currententry->filename;
+				default:
+					return 0;
+			}
+			break;
+		default:
+			// report error
+			return 0;
+	}
+}
+
+int getvalue(struct token *token) {
+	switch(token->kind) {
+		case TOKEN_NUM:
+			return token->intvalue;
+		case TOKEN_NUMIDENTIFIER:
+			switch(token->intvalue) {
+				case INTVALUE_YEAR:
+					REQUIRESONGDATA();
+					return currententry->year;
+				case INTVALUE_RATING:
+					REQUIRERUNDBDATA();
+					return currententry->rating;
+				case INTVALUE_PLAYCOUNT:
+					REQUIRERUNDBDATA();
+					return currententry->playcount;
+				default:
+					// report error.
+					return 0;
+			}
+		default:
+			return 0;
+	}
+}