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authorMax Kellermann <max@duempel.org>2015-01-21 21:14:25 +0100
committerMax Kellermann <max@duempel.org>2015-01-21 21:23:02 +0100
commitfe85fa3bea023df887811d4dc28dc51b7894525a (patch)
treef279de257c0b447c78fa5f11c152639dfb7182e1 /src/config/Param.hxx
parent76b7882f3324bb892a9ccc874e1bdacfd72e7b98 (diff)
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ConfigData: move struct config_param to Param.hxx
Diffstat (limited to 'src/config/Param.hxx')
-rw-r--r--src/config/Param.hxx104
1 files changed, 104 insertions, 0 deletions
diff --git a/src/config/Param.hxx b/src/config/Param.hxx
new file mode 100644
index 000000000..66700044c
--- /dev/null
+++ b/src/config/Param.hxx
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2003-2015 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_PARAM_HXX
+#define MPD_CONFIG_PARAM_HXX
+
+#include "Block.hxx"
+#include "Compiler.h"
+
+#include <string>
+#include <vector>
+
+class AllocatedPath;
+class Error;
+
+struct config_param {
+ /**
+ * The next config_param with the same name. The destructor
+ * deletes the whole chain.
+ */
+ struct config_param *next;
+
+ std::string value;
+
+ unsigned int line;
+
+ std::vector<BlockParam> block_params;
+
+ /**
+ * This flag is false when nobody has queried the value of
+ * this option yet.
+ */
+ bool used;
+
+ config_param(int _line=-1)
+ :next(nullptr), line(_line), used(false) {}
+
+ gcc_nonnull_all
+ config_param(const char *_value, int _line=-1);
+
+ config_param(const config_param &) = delete;
+
+ ~config_param();
+
+ config_param &operator=(const config_param &) = delete;
+
+ /**
+ * Determine if this is a "null" instance, i.e. an empty
+ * object that was synthesized and not loaded from a
+ * configuration file.
+ */
+ bool IsNull() const {
+ return line == unsigned(-1);
+ }
+
+ gcc_nonnull_all
+ void AddBlockParam(const char *_name, const char *_value,
+ int _line=-1) {
+ block_params.emplace_back(_name, _value, _line);
+ }
+
+ gcc_nonnull_all gcc_pure
+ const BlockParam *GetBlockParam(const char *_name) const;
+
+ gcc_pure
+ const char *GetBlockValue(const char *name,
+ const char *default_value=nullptr) const;
+
+ /**
+ * Same as config_get_path(), but looks up the setting in the
+ * specified block.
+ */
+ AllocatedPath GetBlockPath(const char *name, const char *default_value,
+ Error &error) const;
+
+ AllocatedPath GetBlockPath(const char *name, Error &error) const;
+
+ gcc_pure
+ int GetBlockValue(const char *name, int default_value) const;
+
+ gcc_pure
+ unsigned GetBlockValue(const char *name, unsigned default_value) const;
+
+ gcc_pure
+ bool GetBlockValue(const char *name, bool default_value) const;
+};
+
+#endif