1 files changed, 357 insertions, 0 deletions
diff --git a/tinyMEDIA/src/content/tmedia_content.c b/tinyMEDIA/src/content/tmedia_content.c
new file mode 100644
index 0000000..bcdf275
--- /dev/null
+++ b/tinyMEDIA/src/content/tmedia_content.c
@@ -0,0 +1,357 @@
+/*
+* Copyright (C) 2010-2015 Mamadou Diop.
+*
+* This file is part of Open Source Doubango Framework.
+*
+* DOUBANGO 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 3 of the License, or
+* (at your option) any later version.
+*
+* DOUBANGO 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 DOUBANGO.
+*
+*/
+
+/**@file tmedia_content.c
+ * @brief Base content object.
+ */
+#include "tinymedia/content/tmedia_content.h"
+
+#include "tsk_memory.h"
+#include "tsk_string.h"
+#include "tsk_debug.h"
+
+#include <string.h>
+
+/**@defgroup tmedia_content_group Contents
+*/
+
+typedef struct tmedia_content_plugin_entry_s
+{
+	const char* type;
+	const tmedia_content_plugin_def_t* plugin;
+}
+tmedia_content_plugin_entry_t;
+
+/* pointer to all registered contents */
+tmedia_content_plugin_entry_t __tmedia_content_plugin_entries[TMEDIA_CONTENT_MAX_PLUGINS][1] = { tsk_null };
+
+
+int tmedia_content_plugin_register(const char* type, const tmedia_content_plugin_def_t* plugin)
+{
+	tsk_size_t i;
+	//-- int a = sizeof(__tmedia_content_plugin_entries);
+	if (!plugin || !plugin){
+		TSK_DEBUG_ERROR("Invalid parameter");
+		return -1;
+	}
+
+	/* add or replace the plugin */
+	for (i = 0; i < TMEDIA_CONTENT_MAX_PLUGINS; i++){
+		if (!__tmedia_content_plugin_entries[i]->plugin || (__tmedia_content_plugin_entries[i]->plugin == plugin && tsk_striequals(type, __tmedia_content_plugin_entries[i]->type))){
+			__tmedia_content_plugin_entries[i]->type = type;
+			__tmedia_content_plugin_entries[i]->plugin = plugin;
+			return 0;
+		}
+	}
+
+
+	TSK_DEBUG_ERROR("There are already %d plugins.", TMEDIA_CONTENT_MAX_PLUGINS);
+	return -2;
+}
+
+int tmedia_content_plugin_unregister(const char* type, const tmedia_content_plugin_def_t* plugin)
+{
+	tsk_size_t i;
+	tsk_bool_t found = tsk_false;
+	if (!plugin){
+		TSK_DEBUG_ERROR("Invalid Parameter");
+		return -1;
+	}
+
+	/* find the plugin to unregister */
+	for (i = 0; i < TMEDIA_CONTENT_MAX_PLUGINS && __tmedia_content_plugin_entries[i]->plugin; i++){
+		if (__tmedia_content_plugin_entries[i]->plugin == plugin && tsk_striequals(type, __tmedia_content_plugin_entries[i]->type)){
+			__tmedia_content_plugin_entries[i]->type = tsk_null,
+				__tmedia_content_plugin_entries[i]->plugin = tsk_null;
+			found = tsk_true;
+			break;
+		}
+	}
+
+	/* compact */
+	if (found){
+		for (; i < (TMEDIA_CONTENT_MAX_PLUGINS - 1); i++){
+			if (__tmedia_content_plugin_entries[i + 1]->plugin){
+				__tmedia_content_plugin_entries[i]->type = __tmedia_content_plugin_entries[i + 1]->type,
+					__tmedia_content_plugin_entries[i]->plugin = __tmedia_content_plugin_entries[i + 1]->plugin;
+			}
+			else{
+				break;
+			}
+		}
+		__tmedia_content_plugin_entries[i]->type = tsk_null,
+			__tmedia_content_plugin_entries[i]->plugin = tsk_null;
+	}
+	return (found ? 0 : -2);
+}
+
+int tmedia_content_plugin_unregister_all()
+{
+	tsk_size_t i;
+	for (i = 0; i < TMEDIA_CONTENT_MAX_PLUGINS && __tmedia_content_plugin_entries[i]->plugin; i++){
+		__tmedia_content_plugin_entries[i]->type = tsk_null,
+			__tmedia_content_plugin_entries[i]->plugin = tsk_null;
+	}
+	return 0;
+}
+
+tmedia_content_t* tmedia_content_create(const char* type)
+{
+	tmedia_content_t* content = tsk_null;
+	const tmedia_content_plugin_entry_t* entry;
+	tsk_size_t i = 0;
+
+	while (i < TMEDIA_CONTENT_MAX_PLUGINS){
+		entry = __tmedia_content_plugin_entries[i];
+		if (!entry->plugin || !entry->type){
+			break;
+		}
+		if (entry->plugin->objdef && tsk_striequals(entry->type, type)){
+			if ((content = tsk_object_new(entry->plugin->objdef))){
+				content->plugin = entry->plugin;
+				content->type = entry->type;
+				return content;
+			}
+		}
+		++i;
+	}
+
+	TSK_DEBUG_WARN("Failed to find content type (%s) will be added as dummy", type);
+	if (tmedia_content_dummy_plugin_def_t){
+		content = tsk_object_new(tmedia_content_dummy_plugin_def_t->objdef);
+		content->plugin = tmedia_content_dummy_plugin_def_t;
+		content->type = type;
+	}
+
+	return content;
+}
+
+tmedia_content_t* tmedia_content_parse(const void* data, tsk_size_t size, const char* type)
+{
+	tmedia_content_t* content = tmedia_content_create(type);
+	if (content){
+		if (content->plugin->parse){
+			int ret;
+			if ((ret = content->plugin->parse(content, data, size))){
+				TSK_DEBUG_ERROR("Failed to parse the content(%d)", ret);
+				TSK_OBJECT_SAFE_FREE(content);
+				return tsk_null;
+			}
+			return content;
+		}
+		else{
+			TSK_DEBUG_ERROR("No parser function for this content (%s)", type);
+			TSK_OBJECT_SAFE_FREE(content);
+			return tsk_null;
+		}
+	}
+	else{
+		TSK_DEBUG_ERROR("Failed to to find content(%s)", type);
+		return tsk_null;
+	}
+}
+
+int tmedia_content_init(tmedia_content_t* self)
+{
+	if (!self || !self->plugin){
+		TSK_DEBUG_ERROR("Invalid parameter");
+		return -1;
+	}
+
+	return 0;
+}
+
+int tmedia_content_deinit(tmedia_content_t* self)
+{
+	if (!self || !self->plugin){
+		TSK_DEBUG_ERROR("Invalid parameter");
+		return -1;
+	}
+
+	return 0;
+}
+
+tsk_buffer_t* tmedia_content_get_data(tmedia_content_t* self)
+{
+	if (!self || !self->plugin){
+		TSK_DEBUG_ERROR("Invalid parameter");
+		return tsk_null;
+	}
+	return self->plugin->get_data(self);
+}
+
+
+
+
+static int tmedia_content_dummy_parse(tmedia_content_t* self, const void* in_data, tsk_size_t in_size)
+{
+	tmedia_content_dummy_t *dummy = TMEDIA_CONTENT_DUMMY(self);
+	if (!dummy || dummy->data){
+		TSK_DEBUG_ERROR("Invalid parameter");
+		return -1;
+	}
+
+	dummy->data = tsk_buffer_create(in_data, in_size);
+	return 0;
+}
+
+static tsk_buffer_t* tmedia_content_dummy_get_data(tmedia_content_t* self)
+{
+	return tsk_object_ref(TMEDIA_CONTENT_DUMMY(self)->data);
+}
+
+
+
+
+
+
+//=================================================================================================
+//	object/plugin definitions
+//
+/* constructor */
+static tsk_object_t* tmedia_content_dummy_ctor(tsk_object_t * self, va_list * app)
+{
+	tmedia_content_dummy_t *dummy = self;
+	if (dummy){
+		/* init base: called by tmedia_content_create() */
+		/* init self */
+	}
+	return self;
+}
+/* destructor */
+static tsk_object_t* tmedia_content_dummy_dtor(tsk_object_t * self)
+{
+	tmedia_content_dummy_t *dummy = self;
+	if (dummy){
+		/* deinit base */
+		tmedia_content_deinit(TMEDIA_CONTENT(dummy));
+		/* deinit self */
+		TSK_OBJECT_SAFE_FREE(dummy->data);
+	}
+
+	return self;
+}
+/* object definition */
+static const tsk_object_def_t tmedia_content_dummy_def_s =
+{
+	sizeof(tmedia_content_dummy_t),
+	tmedia_content_dummy_ctor,
+	tmedia_content_dummy_dtor,
+	tsk_null,
+};
+/* plugin definition*/
+static const tmedia_content_plugin_def_t tmedia_content_dummy_plugin_def_s =
+{
+	&tmedia_content_dummy_def_s,
+
+	"dummy",
+	tmedia_content_dummy_parse,
+	tmedia_content_dummy_get_data
+};
+const tmedia_content_plugin_def_t *tmedia_content_dummy_plugin_def_t = &tmedia_content_dummy_plugin_def_s;
+
+
+
+//=================================================================================================
+//	media content header
+//
+
+tmedia_content_header_t* tmedia_content_header_create(const char* name, const char* value)
+{
+	tmedia_content_header_t* header = tsk_object_new(tmedia_content_header_def_t);
+	const char* str;
+
+	if (!header){
+		TSK_DEBUG_ERROR("Failed to create new header object");
+		return tsk_null;
+	}
+	header->name = tsk_strdup(name);
+	if (value && (str = strstr(value, ";"))){
+		header->value = tsk_strndup(value, (tsk_size_t)(str - value));
+		header->params = tsk_params_fromstring((str + 1), ";", tsk_true);
+	}
+	else{
+		header->value = tsk_strdup(value);
+	}
+
+	return header;
+}
+
+int tmedia_content_header_deinit(tmedia_content_header_t* self)
+{
+	if (!self){
+		TSK_DEBUG_ERROR("Invalid parameter");
+		return -1;
+	}
+
+	TSK_FREE(self->name);
+	TSK_FREE(self->value);
+	TSK_OBJECT_SAFE_FREE(self->params);
+
+	return 0;
+}
+
+char* tmedia_content_header_tostring(const tmedia_content_header_t* self)
+{
+	char* string = tsk_null;
+
+	if (!self){
+		TSK_DEBUG_ERROR("Invalid parameter");
+		return tsk_null;
+	}
+
+	tsk_sprintf(&string, "%s: %s", self->name, self->value);
+	if (self->params){
+		const tsk_list_item_t* item;
+		tsk_list_foreach(item, self->params){
+			tsk_strcat_2(&string, ";%s=%s", TSK_PARAM(item->data)->name, TSK_PARAM(item->data)->value);
+		}
+	}
+
+	return string;
+}
+
+/* constructor */
+static tsk_object_t* tmedia_content_header_ctor(tsk_object_t * self, va_list * app)
+{
+	tmedia_content_header_t *header = self;
+	if (header){
+	}
+	return self;
+}
+/* destructor */
+static tsk_object_t* tmedia_content_header_dtor(tsk_object_t * self)
+{
+	tmedia_content_header_t *header = self;
+	if (header){
+		tmedia_content_header_deinit(header);
+	}
+
+	return self;
+}
+/* object definition */
+static const tsk_object_def_t tmedia_content_header_def_s =
+{
+	sizeof(tmedia_content_header_t),
+	tmedia_content_header_ctor,
+	tmedia_content_header_dtor,
+	tsk_null,
+};
+const tsk_object_def_t *tmedia_content_header_def_t = &tmedia_content_header_def_s;