finish implementing inputPlugin interface

git-svn-id: https://svn.musicpd.org/mpd/trunk@1244 09075e82-0dd4-0310-85a5-a0d7c8717e4f

src/Makefile.am

@@ -6,14 +6,16 @@ mpd_headers = buffer2array.h interface.h command.h playlist.h ls.h \
 	audio.h playerData.h stats.h myfprintf.h sig_handlers.h decode.h log.h \
 	audiofile_decode.h charConv.h permission.h mpd_types.h pcm_utils.h \
 	mp4_decode.h aac_decode.h signal_check.h utf8.h inputStream.h \
-	outputBuffer.h replayGain.h inputStream_file.h inputStream_http.h
+	outputBuffer.h replayGain.h inputStream_file.h inputStream_http.h \
+	inputPlugin.h
 mpd_SOURCES = main.c buffer2array.c interface.c command.c playlist.c ls.c \
 	song.c list.c directory.c tables.c utils.c path.c mp3_decode.c \
 	tag.c player.c listen.c conf.c ogg_decode.c volume.c flac_decode.c \
 	audio.c playerData.c stats.c myfprintf.c sig_handlers.c decode.c log.c \
 	audiofile_decode.c charConv.c permission.c pcm_utils.c mp4_decode.c \
 	aac_decode.c signal_check.c utf8.c inputStream.c outputBuffer.c \
-	replayGain.c inputStream_file.c inputStream_http.c $(mpd_headers)
+	replayGain.c inputStream_file.c inputStream_http.c inputPlugin.c \
+	$(mpd_headers)
 
 mpd_CFLAGS = $(MPD_CFLAGS)
 mpd_LDADD = $(MPD_LIBS) $(ID3_LIB) $(MAD_LIB) $(MP4FF_LIB)

src/inputPlugin.c

@@ -1,19 +1,29 @@
-#include "input_plugin.h"
+#include "inputPlugin.h"
+
+#include "list.h"
 
 #include <stdlib.h>
+#include <string.h>
 
-InputPlugin * newInputPlugin() {
+static List * inputPlugin_list = NULL;
+
+InputPlugin * newInputPlugin(char * name, InputPlugin_streamDecodeFunc 
+		streamDecodeFunc, InputPlugin_fileDecodeFunc fileDecodeFunc,
+		InputPlugin_tagDupFunc tagDupFunc, unsigned char streamTypes)
+{
 	InputPlugin * ret = malloc(sizeof(InputPlugin));
 
 	memset(ret->name,0,INPUT_PLUGIN_NAME_LENGTH);
+	strncpy(ret->name, name, INPUT_PLUGIN_NAME_LENGTH-1);
 
 	ret->suffixes = NULL;
 	ret->mimeTypes = NULL;
-	ret->streamTypes = 0;
 
-	ret->streamDecodeFunc = NULL;
-	ret->fileDeocdeFunc = NULL;
-	ret->tagDupFunc = NULL;
+	ret->streamTypes = streamTypes;
+
+	ret->streamDecodeFunc = streamDecodeFunc;
+	ret->fileDecodeFunc = fileDecodeFunc;
+	ret->tagDupFunc = tagDupFunc;
 
 	return ret;
 }
@@ -32,8 +42,6 @@ static void freeStringArray(char ** ptr) {
 }
 
 void freeInputPlugin(InputPlugin * inPlugin) {
-	char * temp;
-
 	freeStringArray(inPlugin->suffixes);
 	freeStringArray(inPlugin->mimeTypes);
 
@@ -45,15 +53,16 @@ static char ** AddStringToArray(char ** array, char * string) {
 
 	if(array) {
 		char ** tmp = array;
-		while(*array) {
+		while(*tmp) {
 			arraySize++;
-			array++;
+			tmp++;
 		}
 	}
 
-	array = realloc(array, arraySize*sizeof(char *));
+	array = realloc(array, (arraySize+1)*sizeof(char *));
 
 	array[arraySize-1] = strdup(string);
+	array[arraySize] = NULL;
 
 	return array;
 }
@@ -65,3 +74,66 @@ void addSuffixToInputPlugin(InputPlugin * inPlugin, char * suffix) {
 void addMimeTypeToInputPlugin(InputPlugin * inPlugin, char * mimeType) {
 	inPlugin->mimeTypes = AddStringToArray(inPlugin->mimeTypes, mimeType);
 }
+
+void loadInputPlugin(InputPlugin * inputPlugin) {
+	insertInList(inputPlugin_list, inputPlugin->name, (void *)inputPlugin);
+}
+
+void unloadInputPlugin(InputPlugin * inputPlugin) {
+	deleteFromList(inputPlugin_list, inputPlugin->name);
+}
+
+static int stringFoundInStringArray(char ** array, char * suffix) {
+	while(array && *array) {
+		if(strcmp(*array, suffix) == 0) return 1;
+		array++;
+	}
+	
+	return 0;
+}
+
+InputPlugin * getInputPluginFromSuffix(char * suffix) {
+	ListNode * node = inputPlugin_list->firstNode;
+	InputPlugin * plugin = NULL;
+
+	while(node != NULL) {
+		plugin = node->data;
+		if(stringFoundInStringArray(plugin->suffixes, suffix)) {
+			return plugin;
+		}
+	}
+
+	return NULL;
+}
+
+InputPlugin * getInputPluginFromMimeType(char * mimeType) {
+	ListNode * node = inputPlugin_list->firstNode;
+	InputPlugin * plugin = NULL;
+
+	while(node != NULL) {
+		plugin = node->data;
+		if(stringFoundInStringArray(plugin->mimeTypes, mimeType)) {
+			return plugin;
+		}
+	}
+
+	return NULL;
+}
+
+InputPlugin * getInputPluginFromName(char * name) {
+	void * plugin = NULL;
+
+	findInList(inputPlugin_list, name, &plugin);
+
+	return (InputPlugin *)plugin;
+}
+
+void initInputPlugins() {
+	inputPlugin_list = makeList((ListFreeDataFunc *)freeInputPlugin);
+
+	/* load plugins here */
+}
+
+void finishInputPlugins() {
+	freeList(inputPlugin_list);
+}

src/inputPlugin.h

@@ -28,16 +28,20 @@ typedef struct _InputPlugin {
 	char ** mimeTypes;
 } InputPlugin;
 
-/* interface for adding and removing plugins */
-
-InputPlugin * newInputPlugin();
+/* interface for constructing a  plugin */
 
+InputPlugin * newInputPlugin(char * name, InputPlugin_streamDecodeFunc 
+		streamDecodeFunc, InputPlugin_fileDecodeFunc fileDecodeFunc,
+		InputPlugin_tagDupFunc tagDupFunc, unsigned char streamTypes);
 void addSuffixToInputPlugin(InputPlugin * inPlugin, char * suffix);
-
 void addMimeTypeToInputPlugin(InputPlugin * inPlugin, char * suffix);
-
 void freeInputPlugin(InputPlugin * inputPlugin);
 
+/* individual functions to load/unload plugins */
+void loadInputPlugin(InputPlugin * inputPlugin);
+/* this free's inputPlugin as well! */
+void unloadInputPlugin(InputPlugin * inputPlugin);
+
 /* interface for using plugins */
 
 InputPlugin * getInputPluginFromSuffix(char * suffix);
@@ -56,6 +60,4 @@ void initInputPlugins();
 /* this is where we "unload" all the "plugins" */
 void finishInputPlugins();
 
-void unloadInputPlugin(InputPlugin * inputPlugin);
-
 #endif