ConfigFile: move code to ConfigGlobal.cxx

src/ConfigGlobal.hxx

@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_CONFIG_GLOBAL_HXX
+#define MPD_CONFIG_GLOBAL_HXX
+
+#include "ConfigOption.hxx"
+#include "gerror.h"
+#include "gcc.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+
+#define DEFAULT_PLAYLIST_MAX_LENGTH (1024*16)
+#define DEFAULT_PLAYLIST_SAVE_ABSOLUTE_PATHS false
+
+#ifdef __cplusplus
+class Path;
+#endif
+
+void config_global_init(void);
+void config_global_finish(void);
+
+/**
+ * Call this function after all configuration has been evaluated.  It
+ * checks for unused parameters, and logs warnings.
+ */
+void config_global_check(void);
+
+#ifdef __cplusplus
+
+bool
+ReadConfigFile(const Path &path, GError **error_r);
+
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* don't free the returned value
+   set _last_ to NULL to get first entry */
+gcc_pure
+const struct config_param *
+config_get_next_param(enum ConfigOption option,
+		      const struct config_param *last);
+
+gcc_pure
+static inline const struct config_param *
+config_get_param(enum ConfigOption option)
+{
+	return config_get_next_param(option, NULL);
+}
+
+/* Note on gcc_pure: Some of the functions declared pure are not
+   really pure in strict sense.  They have side effect such that they
+   validate parameter's value and signal an error if it's invalid.
+   However, if the argument was already validated or we don't care
+   about the argument at all, this may be ignored so in the end, we
+   should be fine with calling those functions pure.  */
+
+gcc_pure
+const char *
+config_get_string(enum ConfigOption option, const char *default_value);
+
+/**
+ * Returns an optional configuration variable which contains an
+ * absolute path.  If there is a tilde prefix, it is expanded.
+ * Returns NULL if the value is not present.  If the path could not be
+ * parsed, returns NULL and sets the error.
+ *
+ * The return value must be freed with g_free().
+ */
+gcc_malloc
+char *
+config_dup_path(enum ConfigOption option, GError **error_r);
+
+gcc_pure
+unsigned
+config_get_unsigned(enum ConfigOption option, unsigned default_value);
+
+gcc_pure
+unsigned
+config_get_positive(enum ConfigOption option, unsigned default_value);
+
+gcc_pure
+bool config_get_bool(enum ConfigOption option, bool default_value);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif