DecoderPlugin: move functions into the struct

src/DecoderList.cxx

@@ -148,7 +148,7 @@ decoder_plugin_from_suffix(const char *suffix,
 	     decoder_plugins[i] != nullptr; ++i) {
 		plugin = decoder_plugins[i];
 		if (decoder_plugins_enabled[i] &&
-		    decoder_plugin_supports_suffix(*plugin, suffix))
+		    plugin->SupportsSuffix(suffix))
 			return plugin;
 	}
 
@@ -168,7 +168,7 @@ decoder_plugin_from_mime_type(const char *mimeType, unsigned int next)
 	for (; decoder_plugins[i] != nullptr; ++i) {
 		const struct DecoderPlugin *plugin = decoder_plugins[i];
 		if (decoder_plugins_enabled[i] &&
-		    decoder_plugin_supports_mime_type(*plugin, mimeType)) {
+		    plugin->SupportsMimeType(mimeType)) {
 			++i;
 			return plugin;
 		}
@@ -226,7 +226,7 @@ void decoder_plugin_init_all(void)
 			/* the plugin is disabled in mpd.conf */
 			continue;
 
-		if (decoder_plugin_init(plugin, *param))
+		if (plugin.Init(*param))
 			decoder_plugins_enabled[i] = true;
 	}
 }
@@ -234,5 +234,5 @@ void decoder_plugin_init_all(void)
 void decoder_plugin_deinit_all(void)
 {
 	decoder_plugins_for_each_enabled(plugin)
-		decoder_plugin_finish(*plugin);
+		plugin->Finish();
 }

src/DecoderPlugin.cxx

@@ -24,22 +24,19 @@
 #include <assert.h>
 
 bool
-decoder_plugin_supports_suffix(const DecoderPlugin &plugin,
-			       const char *suffix)
+DecoderPlugin::SupportsSuffix(const char *suffix) const
 {
 	assert(suffix != nullptr);
 
-	return plugin.suffixes != nullptr &&
-		string_array_contains(plugin.suffixes, suffix);
+	return suffixes != nullptr && string_array_contains(suffixes, suffix);
 
 }
 
 bool
-decoder_plugin_supports_mime_type(const DecoderPlugin &plugin,
-				  const char *mime_type)
+DecoderPlugin::SupportsMimeType(const char *mime_type) const
 {
 	assert(mime_type != nullptr);
 
-	return plugin.mime_types != nullptr &&
-		string_array_contains(plugin.mime_types, mime_type);
+	return mime_types != nullptr &&
+		string_array_contains(mime_types, mime_type);
 }

src/DecoderPlugin.hxx

@@ -20,6 +20,8 @@
 #ifndef MPD_DECODER_PLUGIN_HXX
 #define MPD_DECODER_PLUGIN_HXX
 
+#include "Compiler.h"
+
 struct config_param;
 struct input_stream;
 struct Tag;
@@ -100,105 +102,81 @@ struct DecoderPlugin {
 	/* last element in these arrays must always be a nullptr: */
 	const char *const*suffixes;
 	const char *const*mime_types;
+
+	/**
+	 * Initialize a decoder plugin.
+	 *
+	 * @param param a configuration block for this plugin, or nullptr if none
+	 * is configured
+	 * @return true if the plugin was initialized successfully, false if
+	 * the plugin is not available
+	 */
+	bool Init(const config_param &param) const {
+		return init != nullptr
+			? init(param)
+			: true;
+	}
+
+	/**
+	 * Deinitialize a decoder plugin which was initialized successfully.
+	 */
+	void Finish() const {
+		if (finish != nullptr)
+			finish();
+	}
+
+	/**
+	 * Decode a stream.
+	 */
+	void StreamDecode(decoder &decoder, input_stream &is) const {
+		stream_decode(&decoder, &is);
+	}
+
+	/**
+	 * Decode a file.
+	 */
+	void FileDecode(decoder &decoder, const char *path_fs) const {
+		file_decode(&decoder, path_fs);
+	}
+
+	/**
+	 * Read the tag of a file.
+	 */
+	bool ScanFile(const char *path_fs,
+		      const tag_handler &handler, void *handler_ctx) const {
+		return scan_file != nullptr
+			? scan_file(path_fs, &handler, handler_ctx)
+			: false;
+	}
+
+	/**
+	 * Read the tag of a stream.
+	 */
+	bool ScanStream(input_stream &is,
+			const tag_handler &handler, void *handler_ctx) const {
+		return scan_stream != nullptr
+			? scan_stream(&is, &handler, handler_ctx)
+			: false;
+	}
+
+	/**
+	 * return "virtual" tracks in a container
+	 */
+	char *ContainerScan(const char *path, const unsigned int tnum) const {
+		return container_scan(path, tnum);
+	}
+
+	/**
+	 * Does the plugin announce the specified file name suffix?
+	 */
+	gcc_pure gcc_nonnull_all
+	bool SupportsSuffix(const char *suffix) const;
+
+	/**
+	 * Does the plugin announce the specified MIME type?
+	 */
+	gcc_pure gcc_nonnull_all
+	bool SupportsMimeType(const char *mime_type) const;
 };
 
-/**
- * Initialize a decoder plugin.
- *
- * @param param a configuration block for this plugin, or nullptr if none
- * is configured
- * @return true if the plugin was initialized successfully, false if
- * the plugin is not available
- */
-static inline bool
-decoder_plugin_init(const DecoderPlugin &plugin,
-		    const config_param &param)
-{
-	return plugin.init != nullptr
-		? plugin.init(param)
-		: true;
-}
-
-/**
- * Deinitialize a decoder plugin which was initialized successfully.
- */
-static inline void
-decoder_plugin_finish(const DecoderPlugin &plugin)
-{
-	if (plugin.finish != nullptr)
-		plugin.finish();
-}
-
-/**
- * Decode a stream.
- */
-static inline void
-decoder_plugin_stream_decode(const DecoderPlugin &plugin,
-			     struct decoder *decoder, struct input_stream *is)
-{
-	plugin.stream_decode(decoder, is);
-}
-
-/**
- * Decode a file.
- */
-static inline void
-decoder_plugin_file_decode(const DecoderPlugin &plugin,
-			   struct decoder *decoder, const char *path_fs)
-{
-	plugin.file_decode(decoder, path_fs);
-}
-
-/**
- * Read the tag of a file.
- */
-static inline bool
-decoder_plugin_scan_file(const DecoderPlugin &plugin,
-			 const char *path_fs,
-			 const struct tag_handler *handler, void *handler_ctx)
-{
-	return plugin.scan_file != nullptr
-		? plugin.scan_file(path_fs, handler, handler_ctx)
-		: false;
-}
-
-/**
- * Read the tag of a stream.
- */
-static inline bool
-decoder_plugin_scan_stream(const DecoderPlugin &plugin,
-			   struct input_stream *is,
-			   const struct tag_handler *handler,
-			   void *handler_ctx)
-{
-	return plugin.scan_stream != nullptr
-		? plugin.scan_stream(is, handler, handler_ctx)
-		: false;
-}
-
-/**
- * return "virtual" tracks in a container
- */
-static inline char *
-decoder_plugin_container_scan(	const DecoderPlugin &plugin,
-				const char* pathname,
-				const unsigned int tnum)
-{
-	return plugin.container_scan(pathname, tnum);
-}
-
-/**
- * Does the plugin announce the specified file name suffix?
- */
-bool
-decoder_plugin_supports_suffix(const DecoderPlugin &plugin,
-			       const char *suffix);
-
-/**
- * Does the plugin announce the specified MIME type?
- */
-bool
-decoder_plugin_supports_mime_type(const DecoderPlugin &plugin,
-				  const char *mime_type);
-
 #endif

src/DecoderThread.cxx

@@ -133,7 +133,7 @@ decoder_stream_decode(const DecoderPlugin &plugin,
 
 	decoder->dc.Unlock();
 
-	decoder_plugin_stream_decode(plugin, decoder, input_stream);
+	plugin.StreamDecode(*decoder, *input_stream);
 
 	decoder->dc.Lock();
 
@@ -162,7 +162,7 @@ decoder_file_decode(const DecoderPlugin &plugin,
 
 	decoder->dc.Unlock();
 
-	decoder_plugin_file_decode(plugin, decoder, path);
+	plugin.FileDecode(*decoder, path);
 
 	decoder->dc.Lock();
 

src/TagFile.cxx

@@ -53,8 +53,8 @@ tag_file_scan(const char *path_fs,
 
 	do {
 		/* load file tag */
-		if (decoder_plugin_scan_file(*plugin, path_fs,
-					     handler, handler_ctx))
+		if (plugin->ScanFile(path_fs,
+				     *handler, handler_ctx))
 			break;
 
 		/* fall back to stream tag */
@@ -67,9 +67,8 @@ tag_file_scan(const char *path_fs,
 
 			/* now try the stream_tag() method */
 			if (is != nullptr) {
-				if (decoder_plugin_scan_stream(*plugin, is,
-							       handler,
-							       handler_ctx))
+				if (plugin->ScanStream(*is,
+						       *handler, handler_ctx))
 					break;
 
 				is->LockSeek(0, SEEK_SET, IgnoreError());

src/UpdateContainer.cxx

@@ -98,8 +98,8 @@ update_container_file(Directory &directory,
 		const auto child_path_fs =
 			map_directory_child_fs(*contdir, vtrack);
 
-		decoder_plugin_scan_file(plugin, child_path_fs.c_str(),
-					 &add_tag_handler, &tag_builder);
+		plugin.ScanFile(child_path_fs.c_str(),
+				add_tag_handler, &tag_builder);
 
 		if (tag_builder.IsDefined())
 			song->tag = tag_builder.Commit();

test/read_tags.cxx

@@ -181,8 +181,7 @@ int main(int argc, char **argv)
 		return 1;
 	}
 
-	bool success = decoder_plugin_scan_file(*plugin, path,
-						&print_handler, NULL);
+	bool success = plugin->ScanFile(path, print_handler, nullptr);
 	if (!success && plugin->scan_stream != NULL) {
 		Mutex mutex;
 		Cond cond;
@@ -209,8 +208,7 @@ int main(int argc, char **argv)
 
 		mutex.unlock();
 
-		success = decoder_plugin_scan_stream(*plugin, is,
-						     &print_handler, NULL);
+		success = plugin->ScanStream(*is, print_handler, nullptr);
 		is->Close();
 	}
 

test/run_decoder.cxx

@@ -184,8 +184,7 @@ int main(int argc, char **argv)
 	decoder.initialized = false;
 
 	if (decoder.plugin->file_decode != NULL) {
-		decoder_plugin_file_decode(*decoder.plugin, &decoder,
-					   decoder.uri);
+		decoder.plugin->FileDecode(decoder, decoder.uri);
 	} else if (decoder.plugin->stream_decode != NULL) {
 		Mutex mutex;
 		Cond cond;
@@ -201,7 +200,7 @@ int main(int argc, char **argv)
 			return 1;
 		}
 
-		decoder_plugin_stream_decode(*decoder.plugin, &decoder, is);
+		decoder.plugin->StreamDecode(decoder, *is);
 
 		is->Close();
 	} else {