playlist: Create the initial playlist class

Right now it just knows the value of its flags variable.  More to come
soon!

Signed-off-by: Anna Schumaker <schumaker.anna@gmail.com>

config

@@ -40,6 +40,7 @@ class Config:
 		self.GROUP    = False
 		self.IDLE     = False
 		self.LIBRARY  = False
+		self.PLAYLIST = False
 		self.TEST     = TEST
 		self.reconfigure()
 

include/playlist.h

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2013 (c) Anna Schumaker.
+ */
+#ifndef OCARINA_PLAYLIST_H
+#define OCARINA_PLAYLIST_H
+
+enum playlist_flags {
+	PL_ENABLED	= (1 << 0),
+	PL_RANDOM	= (1 << 1),
+	PL_LOCKED	= (1 << 2),
+};
+
+class Playlist {
+private:
+	unsigned int flags;
+
+public:
+	Playlist(playlist_flags);
+	~Playlist();
+
+	void set_flag(playlist_flags);
+	void unset_flag(playlist_flags);
+	const unsigned int get_flags();
+};
+
+#endif /* OCARINA_PLAYLIST_H */

lib/Sconscript

@@ -21,6 +21,7 @@ modules = {
 	"GROUP"    : Module("group.cpp", depends = [ "DATABASE" ]),
 	"IDLE"     : Module("idle.cpp"),
 	"LIBRARY"  : Module("library.cpp", package = "taglib", depends = [ "DATABASE", "IDLE" ]),
+	"PLAYLIST" : Module("playlist.cpp", depends = [ "FILE" ]),
 
 ###########################
 ###########################

lib/playlist.cpp

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2013 (c) Anna Schumaker.
+ */
+
+#include <playlist.h>
+
+Playlist :: Playlist(playlist_flags f)
+	 : flags(f)
+{
+}
+
+Playlist :: ~Playlist()
+{
+}
+
+void Playlist :: set_flag(playlist_flags f)
+{
+	flags |= f;
+}
+
+void Playlist :: unset_flag(playlist_flags f)
+{
+	flags &= ~f;
+}
+
+const unsigned int Playlist :: get_flags()
+{
+	return flags;
+}

tests/Sconscript

@@ -57,7 +57,8 @@ rm_test_dir(xdg.BaseDirectory.xdg_data_home);
 #
 # Read SConscript files
 #
-scripts = [ "database", "file", "filter", "group", "idle", "index", "library", "print" ]
+scripts = [ "database", "file", "filter", "group", "idle", "index", "library",
+            "playlist", "print" ]
 for s in scripts:
 	CONFIG.reset(TEST = True)
 	SConscript("%s/Sconscript" % s)

tests/playlist/Sconscript

@@ -0,0 +1,6 @@
+#!/usr/bin/python
+Import("Test", "CONFIG")
+
+CONFIG.PLAYLIST = True
+
+Test("playlist", "playlist.cpp")

tests/playlist/playlist.cpp

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2013 (c) Anna Schumaker.
+ */
+#include <playlist.h>
+#include <print.h>
+
+#include <string>
+
+void test_flags(const std :: string &test, Playlist &plist, unsigned int expected)
+{
+	print("%s: ", test.c_str());
+	if (plist.get_flags() == expected)
+		print("SUCCESS\n");
+	else
+		print("FAILED\n");
+}
+
+/* Test flag setting / unsetting / getting */
+void test_0()
+{
+	Playlist plist(PL_ENABLED);
+
+	test_flags("0a", plist, PL_ENABLED);
+	plist.set_flag(PL_RANDOM);
+	test_flags("0b", plist, PL_ENABLED | PL_RANDOM);
+	plist.set_flag(PL_ENABLED);
+	test_flags("0c", plist, PL_ENABLED | PL_RANDOM);
+	plist.unset_flag(PL_ENABLED);
+	test_flags("0d", plist, PL_RANDOM);
+	plist.unset_flag(PL_RANDOM);
+	test_flags("0f", plist, 0);
+	print("\n");
+}
+
+int main(int argc, char **argv)
+{
+	test_0();
+	return 0;
+}

tests/playlist/playlist.good

@@ -0,0 +1,6 @@
+0a: SUCCESS
+0b: SUCCESS
+0c: SUCCESS
+0d: SUCCESS
+0f: SUCCESS
+