ConfigFile: move code to ConfigGlobal.cxx

6 files changed, 346 insertions, 235 deletions

diff --git a/Makefile.am b/Makefile.am
index 63090e29..167b6176 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -436,7 +436,8 @@ endif
 libconf_a_SOURCES = \
 	src/ConfigData.cxx src/ConfigData.hxx \
 	src/ConfigParser.cxx src/ConfigParser.hxx \
-	src/ConfigFile.cxx \
+	src/ConfigGlobal.cxx src/ConfigGlobal.hxx \
+	src/ConfigFile.cxx src/ConfigFile.hxx \
 	src/ConfigTemplates.cxx src/ConfigTemplates.hxx \
 	src/ConfigOption.hxx
 
diff --git a/src/ConfigFile.cxx b/src/ConfigFile.cxx
index d10c9046..254d1841 100644
--- a/src/ConfigFile.cxx
+++ b/src/ConfigFile.cxx
@@ -18,26 +18,24 @@
  */
 
 #include "config.h"
-#include "conf.h"
+#include "ConfigFile.hxx"
+#include "ConfigData.hxx"
 #include "ConfigTemplates.hxx"
-#include "ConfigParser.hxx"
+#include "conf.h"
 
 extern "C" {
-#include "utils.h"
 #include "string_util.h"
 #include "tokenizer.h"
 }
 
 #include "fs/Path.hxx"
 #include "fs/FileSystem.hxx"
-#include "mpd_error.h"
 
 #include <glib.h>
 
 #include <assert.h>
 #include <string.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <errno.h>
 
 #undef G_LOG_DOMAIN
@@ -47,54 +45,6 @@ extern "C" {
 
 #define CONF_COMMENT		'#'
 
-static ConfigData config_data;
-
-static void
-config_param_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data)
-{
-	struct config_param *param = (struct config_param *)data;
-
-	config_param_free(param);
-}
-
-void config_global_finish(void)
-{
-	for (auto i : config_data.params) {
-		g_slist_foreach(i, config_param_free_callback, NULL);
-		g_slist_free(i);
-	}
-}
-
-void config_global_init(void)
-{
-}
-
-static void
-config_param_check(gpointer data, G_GNUC_UNUSED gpointer user_data)
-{
-	struct config_param *param = (struct config_param *)data;
-
-	if (!param->used)
-		/* this whole config_param was not queried at all -
-		   the feature might be disabled at compile time?
-		   Silently ignore it here. */
-		return;
-
-	for (unsigned i = 0; i < param->num_block_params; i++) {
-		struct block_param *bp = &param->block_params[i];
-
-		if (!bp->used)
-			g_warning("option '%s' on line %i was not recognized",
-				  bp->name, bp->line);
-	}
-}
-
-void config_global_check(void)
-{
-	for (auto i : config_data.params)
-		g_slist_foreach(i, config_param_check, NULL);
-}
-
 static bool
 config_read_name_value(struct config_param *param, char *input, unsigned line,
 		       GError **error_r)
@@ -187,7 +137,7 @@ config_read_block(FILE *fp, int *count, char *string, GError **error_r)
 }
 
 bool
-ReadConfigFile(const Path &path, GError **error_r)
+ReadConfigFile(ConfigData &config_data, const Path &path, GError **error_r)
 {
 	assert(!path.IsNull());
 	const std::string path_utf8 = path.ToUTF8();
@@ -318,110 +268,3 @@ ReadConfigFile(const Path &path, GError **error_r)
 
 	return true;
 }
-
-const struct config_param *
-config_get_next_param(ConfigOption option, const struct config_param * last)
-{
-	GSList *node = config_data.params[unsigned(option)];
-
-	if (last) {
-		node = g_slist_find(node, last);
-		if (node == NULL)
-			return NULL;
-
-		node = g_slist_next(node);
-	}
-
-	if (node == NULL)
-		return NULL;
-
-	struct config_param *param = (struct config_param *)node->data;
-	param->used = true;
-	return param;
-}
-
-const char *
-config_get_string(ConfigOption option, const char *default_value)
-{
-	const struct config_param *param = config_get_param(option);
-
-	if (param == NULL)
-		return default_value;
-
-	return param->value;
-}
-
-char *
-config_dup_path(ConfigOption option, GError **error_r)
-{
-	assert(error_r != NULL);
-	assert(*error_r == NULL);
-
-	const struct config_param *param = config_get_param(option);
-	if (param == NULL)
-		return NULL;
-
-	char *path = parsePath(param->value, error_r);
-	if (G_UNLIKELY(path == NULL))
-		g_prefix_error(error_r,
-			       "Invalid path at line %i: ",
-			       param->line);
-
-	return path;
-}
-
-unsigned
-config_get_unsigned(ConfigOption option, unsigned default_value)
-{
-	const struct config_param *param = config_get_param(option);
-	long value;
-	char *endptr;
-
-	if (param == NULL)
-		return default_value;
-
-	value = strtol(param->value, &endptr, 0);
-	if (*endptr != 0 || value < 0)
-		MPD_ERROR("Not a valid non-negative number in line %i",
-			  param->line);
-
-	return (unsigned)value;
-}
-
-unsigned
-config_get_positive(ConfigOption option, unsigned default_value)
-{
-	const struct config_param *param = config_get_param(option);
-	long value;
-	char *endptr;
-
-	if (param == NULL)
-		return default_value;
-
-	value = strtol(param->value, &endptr, 0);
-	if (*endptr != 0)
-		MPD_ERROR("Not a valid number in line %i", param->line);
-
-	if (value <= 0)
-		MPD_ERROR("Not a positive number in line %i", param->line);
-
-	return (unsigned)value;
-}
-
-bool
-config_get_bool(ConfigOption option, bool default_value)
-{
-	const struct config_param *param = config_get_param(option);
-	bool success, value;
-
-	if (param == NULL)
-		return default_value;
-
-	success = get_bool(param->value, &value);
-	if (!success)
-		MPD_ERROR("Expected boolean value (yes, true, 1) or "
-			  "(no, false, 0) on line %i\n",
-			  param->line);
-
-	return value;
-}
diff --git a/src/ConfigFile.hxx b/src/ConfigFile.hxx
new file mode 100644
index 00000000..49c0d31e
--- /dev/null
+++ b/src/ConfigFile.hxx
@@ -0,0 +1,31 @@
+/*
+ * 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_FILE_HXX
+#define MPD_CONFIG_FILE_HXX
+
+#include "gerror.h"
+
+class Path;
+struct ConfigData;
+
+bool
+ReadConfigFile(ConfigData &data, const Path &path, GError **error_r);
+
+#endif
diff --git a/src/ConfigGlobal.cxx b/src/ConfigGlobal.cxx
new file mode 100644
index 00000000..01b8d09c
--- /dev/null
+++ b/src/ConfigGlobal.cxx
@@ -0,0 +1,199 @@
+/*
+ * 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.
+ */
+
+#include "config.h"
+#include "ConfigGlobal.hxx"
+#include "ConfigParser.hxx"
+#include "ConfigData.hxx"
+#include "ConfigFile.hxx"
+
+extern "C" {
+#include "utils.h"
+}
+
+#include "mpd_error.h"
+
+#include <glib.h>
+
+#include <assert.h>
+#include <string.h>
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "config"
+
+static ConfigData config_data;
+
+static void
+config_param_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data)
+{
+	struct config_param *param = (struct config_param *)data;
+
+	config_param_free(param);
+}
+
+void config_global_finish(void)
+{
+	for (auto i : config_data.params) {
+		g_slist_foreach(i, config_param_free_callback, NULL);
+		g_slist_free(i);
+	}
+}
+
+void config_global_init(void)
+{
+}
+
+bool
+ReadConfigFile(const Path &path, GError **error_r)
+{
+	return ReadConfigFile(config_data, path, error_r);
+}
+
+static void
+config_param_check(gpointer data, G_GNUC_UNUSED gpointer user_data)
+{
+	struct config_param *param = (struct config_param *)data;
+
+	if (!param->used)
+		/* this whole config_param was not queried at all -
+		   the feature might be disabled at compile time?
+		   Silently ignore it here. */
+		return;
+
+	for (unsigned i = 0; i < param->num_block_params; i++) {
+		struct block_param *bp = &param->block_params[i];
+
+		if (!bp->used)
+			g_warning("option '%s' on line %i was not recognized",
+				  bp->name, bp->line);
+	}
+}
+
+void config_global_check(void)
+{
+	for (auto i : config_data.params)
+		g_slist_foreach(i, config_param_check, NULL);
+}
+
+const struct config_param *
+config_get_next_param(ConfigOption option, const struct config_param * last)
+{
+	GSList *node = config_data.params[unsigned(option)];
+
+	if (last) {
+		node = g_slist_find(node, last);
+		if (node == NULL)
+			return NULL;
+
+		node = g_slist_next(node);
+	}
+
+	if (node == NULL)
+		return NULL;
+
+	struct config_param *param = (struct config_param *)node->data;
+	param->used = true;
+	return param;
+}
+
+const char *
+config_get_string(ConfigOption option, const char *default_value)
+{
+	const struct config_param *param = config_get_param(option);
+
+	if (param == NULL)
+		return default_value;
+
+	return param->value;
+}
+
+char *
+config_dup_path(ConfigOption option, GError **error_r)
+{
+	assert(error_r != NULL);
+	assert(*error_r == NULL);
+
+	const struct config_param *param = config_get_param(option);
+	if (param == NULL)
+		return NULL;
+
+	char *path = parsePath(param->value, error_r);
+	if (G_UNLIKELY(path == NULL))
+		g_prefix_error(error_r,
+			       "Invalid path at line %i: ",
+			       param->line);
+
+	return path;
+}
+
+unsigned
+config_get_unsigned(ConfigOption option, unsigned default_value)
+{
+	const struct config_param *param = config_get_param(option);
+	long value;
+	char *endptr;
+
+	if (param == NULL)
+		return default_value;
+
+	value = strtol(param->value, &endptr, 0);
+	if (*endptr != 0 || value < 0)
+		MPD_ERROR("Not a valid non-negative number in line %i",
+			  param->line);
+
+	return (unsigned)value;
+}
+
+unsigned
+config_get_positive(ConfigOption option, unsigned default_value)
+{
+	const struct config_param *param = config_get_param(option);
+	long value;
+	char *endptr;
+
+	if (param == NULL)
+		return default_value;
+
+	value = strtol(param->value, &endptr, 0);
+	if (*endptr != 0)
+		MPD_ERROR("Not a valid number in line %i", param->line);
+
+	if (value <= 0)
+		MPD_ERROR("Not a positive number in line %i", param->line);
+
+	return (unsigned)value;
+}
+
+bool
+config_get_bool(ConfigOption option, bool default_value)
+{
+	const struct config_param *param = config_get_param(option);
+	bool success, value;
+
+	if (param == NULL)
+		return default_value;
+
+	success = get_bool(param->value, &value);
+	if (!success)
+		MPD_ERROR("Expected boolean value (yes, true, 1) or "
+			  "(no, false, 0) on line %i\n",
+			  param->line);
+
+	return value;
+}
diff --git a/src/ConfigGlobal.hxx b/src/ConfigGlobal.hxx
new file mode 100644
index 00000000..9abfb2b5
--- /dev/null
+++ b/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
diff --git a/src/conf.h b/src/conf.h
index b81b9ccd..bc17a0c7 100644
--- a/src/conf.h
+++ b/src/conf.h
@@ -20,11 +20,11 @@
 #ifndef MPD_CONF_H
 #define MPD_CONF_H
 
+#include "ConfigGlobal.hxx"
 #include "ConfigOption.hxx"
 #include "ConfigData.hxx"
 #include "gcc.h"
 
-#include <stdbool.h>
 #include <glib.h>
 
 #define DEFAULT_PLAYLIST_MAX_LENGTH (1024*16)
@@ -32,10 +32,6 @@
 
 #define MAX_FILTER_CHAIN_LENGTH 255
 
-#ifdef __cplusplus
-class Path;
-#endif
-
 /**
  * A GQuark for GError instances, resulting from malformed
  * configuration.
@@ -47,72 +43,4 @@ config_quark(void)
 	return g_quark_from_static_string("config");
 }
 
-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
-
-G_BEGIN_DECLS
-
-/* don't free the returned value
-   set _last_ to NULL to get first entry */
-G_GNUC_PURE
-const struct config_param *
-config_get_next_param(enum ConfigOption option,
-		      const struct config_param *last);
-
-G_GNUC_PURE
-static inline const struct config_param *
-config_get_param(enum ConfigOption option)
-{
-	return config_get_next_param(option, NULL);
-}
-
-/* Note on G_GNUC_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.  */
-
-G_GNUC_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().
- */
-G_GNUC_MALLOC
-char *
-config_dup_path(enum ConfigOption option, GError **error_r);
-
-G_GNUC_PURE
-unsigned
-config_get_unsigned(enum ConfigOption option, unsigned default_value);
-
-G_GNUC_PURE
-unsigned
-config_get_positive(enum ConfigOption option, unsigned default_value);
-
-G_GNUC_PURE
-bool config_get_bool(enum ConfigOption option, bool default_value);
-
-G_END_DECLS
-
 #endif