start to implement inputPlugin interface

git-svn-id: https://svn.musicpd.org/mpd/trunk@1242 09075e82-0dd4-0310-85a5-a0d7c8717e4f

src/inputPlugin.c

@@ -0,0 +1,67 @@
+#include "input_plugin.h"
+
+#include <stdlib.h>
+
+InputPlugin * newInputPlugin() {
+	InputPlugin * ret = malloc(sizeof(InputPlugin));
+
+	memset(ret->name,0,INPUT_PLUGIN_NAME_LENGTH);
+
+	ret->suffixes = NULL;
+	ret->mimeTypes = NULL;
+	ret->streamTypes = 0;
+
+	ret->streamDecodeFunc = NULL;
+	ret->fileDeocdeFunc = NULL;
+	ret->tagDupFunc = NULL;
+
+	return ret;
+}
+
+static void freeStringArray(char ** ptr) {
+	if(ptr) {
+		char ** tmp = ptr;
+
+		while(*tmp) {
+			if(*tmp) free(*tmp);
+			tmp++;
+		}
+
+		free (ptr);
+	}
+}
+
+void freeInputPlugin(InputPlugin * inPlugin) {
+	char * temp;
+
+	freeStringArray(inPlugin->suffixes);
+	freeStringArray(inPlugin->mimeTypes);
+
+	free(inPlugin);
+}
+
+static char ** AddStringToArray(char ** array, char * string) {
+	int arraySize = 1;
+
+	if(array) {
+		char ** tmp = array;
+		while(*array) {
+			arraySize++;
+			array++;
+		}
+	}
+
+	array = realloc(array, arraySize*sizeof(char *));
+
+	array[arraySize-1] = strdup(string);
+
+	return array;
+}
+
+void addSuffixToInputPlugin(InputPlugin * inPlugin, char * suffix) {
+	inPlugin->suffixes = AddStringToArray(inPlugin->suffixes, suffix);
+}
+
+void addMimeTypeToInputPlugin(InputPlugin * inPlugin, char * mimeType) {
+	inPlugin->mimeTypes = AddStringToArray(inPlugin->mimeTypes, mimeType);
+}