Port MatrixMessageBase to C
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vendored
@ -71,7 +71,6 @@ Makefile.in
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/src/matrix-event-call-hangup.c
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/src/matrix-event-call-hangup.c
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/src/matrix-event-call-base.c
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/src/matrix-event-call-base.c
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/src/matrix-glib-0.0.pc
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/src/matrix-glib-0.0.pc
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/src/matrix-message-base.c
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/src/matrix-message-text.c
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/src/matrix-message-text.c
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/src/matrix-message-emote.c
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/src/matrix-message-emote.c
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/src/matrix-message-notice.c
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/src/matrix-message-notice.c
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@ -38,7 +38,6 @@ libmatrix_glib_0_0_la_VALA_SOURCES = \
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matrix-event-call-candidates.vala \
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matrix-event-call-candidates.vala \
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matrix-event-call-answer.vala \
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matrix-event-call-answer.vala \
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matrix-event-call-hangup.vala \
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matrix-event-call-hangup.vala \
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matrix-message-base.vala \
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matrix-message-text.vala \
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matrix-message-text.vala \
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matrix-message-emote.vala \
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matrix-message-emote.vala \
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matrix-message-notice.vala \
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matrix-message-notice.vala \
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@ -104,6 +103,7 @@ INST_H_SRC_FILES = \
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matrix-types.h \
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matrix-types.h \
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matrix-compacts.h \
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matrix-compacts.h \
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matrix-event-base.h \
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matrix-event-base.h \
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matrix-message-base.h \
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matrix-event-room-base.h \
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matrix-event-room-base.h \
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matrix-event-state-base.h \
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matrix-event-state-base.h \
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matrix-event-tag.h \
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matrix-event-tag.h \
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@ -136,6 +136,7 @@ libmatrix_glib_0_0_la_SOURCES = \
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matrix-types.c \
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matrix-types.c \
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matrix-compacts.c \
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matrix-compacts.c \
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matrix-event-base.c \
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matrix-event-base.c \
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matrix-message-base.c \
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matrix-event-tag.c \
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matrix-event-tag.c \
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matrix-event-presence.c \
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matrix-event-presence.c \
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matrix-event-room-member.c \
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matrix-event-room-member.c \
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683
src/matrix-message-base.c
Normal file
683
src/matrix-message-base.c
Normal file
@ -0,0 +1,683 @@
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/*
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* This file is part of matrix-glib-sdk
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*
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* matrix-glib-sdk is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, either
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* version 3 of the License, or (at your option) any later version.
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*
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* matrix-glib-sdk is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with matrix-glib-sdk. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include "matrix-message-base.h"
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#include "matrix-types.h"
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#include "matrix-enumtypes.h"
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#include "config.h"
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/**
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* SECTION:message-handling
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* @short_description: Message handling
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* @title: Handling message objects
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* @section_id: message_handling
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*
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* To handle message objects, one can use the built-in message classes like #MatrixMessageText,
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* or, for non-standard message types, implement their own by subclassing #MatrixMessageBase.
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*
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* After the class is registered in the GType system, one should call
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* matrix_message_register_type():
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*
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* |[
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* G_DEFINE_TYPE(MyCustomMessage, my_custom_message, MATRIX_MESSAGE_TYPE_BASE);
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*
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* // implement the from_json() and to_json() methods
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*
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* void
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* some_func(JsonNode *custom_message_data)
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* {
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* GError *error = NULL;
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* MatrixMessageBase *message;
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*
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* matrix_message_register_type("my.custom.message", my_custom_message_get_type(), NULL);
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*
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* message = matrix_message_base_new_from_json(json_data, &error);
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*
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* if (error != NULL) {
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* g_error("Could not parse JSON data as a message.");
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*
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* return;
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* }
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*
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* if (!MY_IS_CUSTOM_MESSAGE(message)) {
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* g_error("The message is not of 'my.custom.message'!");
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*
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* return;
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* }
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*
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* // Do something with message
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* }
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* ]|
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*
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* Registered message types are also used by classes implementing the #MatrixClient interface.
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*/
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/**
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* SECTION:matrix-message-base
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* @short_description: Base class for Matrix messages
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* @title: Message handler base class
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*
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* Base class for Matrix message handlers.
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*/
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enum {
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PROP_0,
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PROP_MESSAGE_TYPE,
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PROP_BODY,
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PROP_JSON,
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NUM_PROPS
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};
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static GParamSpec *matrix_message_base_properties[NUM_PROPS];
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typedef struct {
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gchar* _message_type;
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gchar* _body;
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gboolean _inited;
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GError* _construct_error;
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JsonNode* _json;
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} MatrixMessageBasePrivate;
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GHashTable *matrix_message_type_handlers = NULL;
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static void matrix_message_base_g_initable_interface_init(GInitableIface *iface);
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/**
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* MatrixMessageBase:
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*
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* Base class for message handlers.
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*/
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/**
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* MatrixMessageBaseClass:
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* @from_json: function to initialise a #MatrixMessageBase derived object from JSON data. Must be
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* implemented.
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* @to_json: function to serialise a #MatrixMessageBase derived object to JSON. Must be
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* implemented.
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*
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* The class structure for the #MatrixMessageBase type.
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*/
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G_DEFINE_TYPE_EXTENDED(MatrixMessageBase, matrix_message_base, G_TYPE_OBJECT, G_TYPE_FLAG_ABSTRACT, G_ADD_PRIVATE(MatrixMessageBase) G_IMPLEMENT_INTERFACE(G_TYPE_INITABLE, matrix_message_base_g_initable_interface_init));
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static gboolean
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matrix_message_base_real_init(GInitable *g_initable, GCancellable *cancellable, GError **error)
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{
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MatrixMessageBasePrivate *priv = matrix_message_base_get_instance_private(MATRIX_MESSAGE_BASE(g_initable));
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if (cancellable != NULL) {
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g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_UNSUPPORTED,
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"Cancellable initialization not supported");
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return FALSE;
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}
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if (priv->_construct_error != NULL) {
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g_propagate_error(error, priv->_construct_error);
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return FALSE;
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}
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priv->_inited = TRUE;
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return TRUE;
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}
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static void
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matrix_message_base_initialize_from_json(MatrixMessageBase *matrix_message_base, JsonNode *json_data, GError **error)
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{
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JsonGenerator *gen;
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GError *inner_error = NULL;
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if (json_node_get_node_type(json_data) != JSON_TYPE_OBJECT) {
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g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INVALID_FORMAT,
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"The message is not valid");
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return;
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}
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gen = json_generator_new();
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json_generator_set_root(gen, json_data);
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matrix_message_base_from_json(matrix_message_base, json_data, &inner_error);
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g_object_unref(gen);
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if (inner_error != NULL) {
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g_propagate_error(error, inner_error);
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}
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}
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/**
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* matrix_message_base_new_from_json: (constructor)
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* @json_data: a #JsonNode containing a Matrix message
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* @error: a #GError, or NULL to ignore errors
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*
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* Create a new message object from the message contained in @json_data.
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*
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* The exact type of the returned object is based on the message contents (precisely, its
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* `msgtype` field). This function uses matrix_message_get_handler() internally to find the
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* message handler for the message type; if there is none, this function returns NULL, but doesn’t
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* set @error. If there is an error during reading or processing the JSON data, NULL is returned,
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* and @error is set accordingly.
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*
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* See the description of matrix_message_register_type() for more details.
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*
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* Returns: (transfer full): a new #MatrixMessageBase object or NULL in case of an error
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*/
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MatrixMessageBase *
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matrix_message_base_new_from_json(JsonNode *json_data, GError **error)
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{
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JsonObject *root;
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JsonNode *node;
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GType msg_gtype;
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MatrixMessageBase *ret;
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GError *inner_error = NULL;
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g_return_val_if_fail(json_data != NULL, NULL);
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root = json_node_get_object(json_data);
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if ((node = json_object_get_member(root, "msgtype")) == NULL) {
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g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INCOMPLETE,
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"Can not process a message without msgtype");
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return NULL;
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}
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if ((msg_gtype = matrix_message_get_handler(json_node_get_string(node))) == G_TYPE_NONE) {
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return NULL;
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}
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ret = (MatrixMessageBase *)g_object_new(msg_gtype,
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"json", json_data,
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NULL);
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g_initable_init(G_INITABLE(ret), NULL, &inner_error);
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if (inner_error != NULL) {
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g_propagate_error(error, inner_error);
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g_object_unref(ret);
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return NULL;
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}
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return ret;
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}
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static void
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matrix_message_base_real_from_json(MatrixMessageBase *matrix_message_base, JsonNode *json_data, GError **error)
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{
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MatrixMessageBasePrivate *priv;
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JsonObject *root;
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JsonNode *node;
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g_return_if_fail (json_data != NULL);
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priv = matrix_message_base_get_instance_private(matrix_message_base);
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root = json_node_get_object(json_data);
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if ((node = json_object_get_member(root, "msgtype")) != NULL) {
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g_free(priv->_message_type);
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priv->_message_type = g_strdup(json_node_get_string(node));
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} else if (DEBUG) {
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g_warning("msgtype is not present in a message");
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}
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if ((node = json_object_get_member(root, "body")) != NULL) {
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g_free(priv->_body);
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priv->_body = g_strdup(json_node_get_string(node));
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} else if (DEBUG) {
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g_warning("body is not presente in a message");
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}
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}
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/**
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* matrix_message_base_from_json: (virtual from_json)
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* @message: An object derived from the #MatrixMessageBase class
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* @json_data: the #JsonNode to initialise to set object properties from
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* @error: a #GError, or NULL to ignore errors
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*
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* Initializes the message object using the data in @json_data.
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*
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* For #MatrixMessageBase objects, this method reads the `msgtype` and `body` fields, saving them
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* to the corresponding properties. Subclasses should implement this method to initialize
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* themselves from JSON data.
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*/
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void
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matrix_message_base_from_json(MatrixMessageBase *matrix_message_base, JsonNode *json_data, GError **error)
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{
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g_return_if_fail(matrix_message_base != NULL);
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MATRIX_MESSAGE_BASE_GET_CLASS(matrix_message_base)->from_json(matrix_message_base, json_data, error);
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}
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static void
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matrix_message_base_real_to_json(MatrixMessageBase *matrix_message_base, JsonNode *json_data, GError **error)
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{
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MatrixMessageBasePrivate *priv;
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JsonObject *root;
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g_return_if_fail(json_data != NULL);
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priv = matrix_message_base_get_instance_private(matrix_message_base);
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root = json_node_get_object(json_data);
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if (priv->_message_type == NULL) {
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g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INCOMPLETE,
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"Won't generate a message with an empty msgtype");
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return;
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}
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if (priv->_body == NULL) {
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g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INCOMPLETE,
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"Won't generate a message without body");
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return;
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}
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json_object_set_string_member(root, "msgtype", priv->_message_type);
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json_object_set_string_member(root, "body", priv->_body);
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}
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/**
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* matrix_message_base_to_json: (virtual to_json)
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* @message: An object derived from the #MatrixMessageBase class
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* @json_data: A #JsonNode that must be initialised as a #JSON_NODE_OBJECT
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* @error: A #GError, or NULL to ignore errors
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*
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* Serializes the message object into a #JsonNode in @json_data. Subclasses should implement this
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* method to export their data to JSON.
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*/
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void
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matrix_message_base_to_json(MatrixMessageBase *matrix_message_base, JsonNode *json_data, GError **error)
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{
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g_return_if_fail(matrix_message_base != NULL);
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MATRIX_MESSAGE_BASE_GET_CLASS(matrix_message_base)->to_json(matrix_message_base, json_data, error);
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}
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/**
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* matrix_message_base_construct:
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* @object_type: the #GType of the object to be created
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*
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* Returns: (transfer full): a new instance of @object_type
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*/
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MatrixMessageBase *
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matrix_message_base_construct(GType object_type)
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{
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return (MatrixMessageBase *)g_object_new(object_type, NULL);
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}
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/**
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* matrix_message_base_get_message_type:
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* @message: an object derived from the #MatrixMessageBase class
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*
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* Get the message type of @message.
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*
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* Returns: (transfer none): the message type
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*/
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const gchar *
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matrix_message_base_get_message_type(MatrixMessageBase *matrix_message_base)
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{
|
||||||
|
MatrixMessageBasePrivate *priv;
|
||||||
|
|
||||||
|
g_return_val_if_fail(matrix_message_base != NULL, NULL);
|
||||||
|
|
||||||
|
priv = matrix_message_base_get_instance_private(matrix_message_base);
|
||||||
|
|
||||||
|
return priv->_message_type;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* matrix_message_base_set_message_type:
|
||||||
|
* @message: an object derived from the #MatrixMessageBase class
|
||||||
|
* @message_type: (transfer none): the message type to set
|
||||||
|
*
|
||||||
|
* Set the message type of @message.
|
||||||
|
*/
|
||||||
|
void
|
||||||
|
matrix_message_base_set_message_type(MatrixMessageBase *matrix_message_base, const gchar *message_type)
|
||||||
|
{
|
||||||
|
MatrixMessageBasePrivate *priv;
|
||||||
|
|
||||||
|
g_return_if_fail(matrix_message_base != NULL);
|
||||||
|
|
||||||
|
priv = matrix_message_base_get_instance_private(matrix_message_base);
|
||||||
|
|
||||||
|
if (g_strcmp0(message_type, priv->_message_type) != 0) {
|
||||||
|
g_free(priv->_message_type);
|
||||||
|
priv->_message_type = g_strdup(message_type);
|
||||||
|
|
||||||
|
g_object_notify_by_pspec((GObject *)matrix_message_base, matrix_message_base_properties[PROP_MESSAGE_TYPE]);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* matrix_message_base_get_body:
|
||||||
|
* @message: an object derived from the #MatrixMessageBase class
|
||||||
|
*
|
||||||
|
* Get the body of the message. For some message type this can be used as a fallback content.
|
||||||
|
*
|
||||||
|
* Returns: (transfer none): the body of @message
|
||||||
|
*/
|
||||||
|
const gchar *
|
||||||
|
matrix_message_base_get_body(MatrixMessageBase *matrix_message_base)
|
||||||
|
{
|
||||||
|
MatrixMessageBasePrivate *priv;
|
||||||
|
|
||||||
|
g_return_val_if_fail(matrix_message_base != NULL, NULL);
|
||||||
|
|
||||||
|
priv = matrix_message_base_get_instance_private(matrix_message_base);
|
||||||
|
|
||||||
|
return priv->_body;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* matrix_message_base_set_body:
|
||||||
|
* @message: an object derived from the #MatrixMessageBase class
|
||||||
|
* @body: (transfer none): the body to set
|
||||||
|
*
|
||||||
|
* Set the body of the message.
|
||||||
|
*/
|
||||||
|
void
|
||||||
|
matrix_message_base_set_body(MatrixMessageBase *matrix_message_base, const gchar *body)
|
||||||
|
{
|
||||||
|
MatrixMessageBasePrivate *priv;
|
||||||
|
|
||||||
|
g_return_if_fail(matrix_message_base != NULL);
|
||||||
|
|
||||||
|
priv = matrix_message_base_get_instance_private(matrix_message_base);
|
||||||
|
|
||||||
|
if (g_strcmp0(body, priv->_body) != 0) {
|
||||||
|
g_free(priv->_body);
|
||||||
|
priv->_body = g_strdup(body);
|
||||||
|
|
||||||
|
g_object_notify_by_pspec((GObject *)matrix_message_base, matrix_message_base_properties[PROP_BODY]);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* matrix_message_base_get_json:
|
||||||
|
* @message: an object derived from the #MatrixMessageBase class
|
||||||
|
* @error: a #GError, or NULL to ignore errors
|
||||||
|
*
|
||||||
|
* Get the #MatrixMessageBase:json property of @message. If an error happens during
|
||||||
|
* serialization, this function returns NULL, and sets @error accordingly.
|
||||||
|
*
|
||||||
|
* This function calls matrix_message_base_to_json() internally.
|
||||||
|
*/
|
||||||
|
JsonNode *
|
||||||
|
matrix_message_base_get_json(MatrixMessageBase *matrix_message_base, GError **error)
|
||||||
|
{
|
||||||
|
MatrixMessageBasePrivate *priv;
|
||||||
|
GError *inner_error = NULL;
|
||||||
|
|
||||||
|
g_return_val_if_fail(matrix_message_base != NULL, NULL);
|
||||||
|
|
||||||
|
priv = matrix_message_base_get_instance_private(matrix_message_base);
|
||||||
|
priv->_json = json_node_new(JSON_TYPE_OBJECT);
|
||||||
|
json_node_set_object(priv->_json, json_object_new());
|
||||||
|
|
||||||
|
matrix_message_base_to_json(matrix_message_base, priv->_json, &inner_error);
|
||||||
|
|
||||||
|
if (inner_error != NULL) {
|
||||||
|
g_propagate_error(error, inner_error);
|
||||||
|
|
||||||
|
json_node_unref(priv->_json);
|
||||||
|
priv->_json = NULL;
|
||||||
|
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
return priv->_json;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
matrix_message_base_set_json(MatrixMessageBase *matrix_message_base, JsonNode *json_data)
|
||||||
|
{
|
||||||
|
GError *inner_error = NULL;
|
||||||
|
|
||||||
|
g_return_if_fail(matrix_message_base != NULL);
|
||||||
|
|
||||||
|
matrix_message_base_initialize_from_json(matrix_message_base, json_data, &inner_error);
|
||||||
|
|
||||||
|
if (inner_error != NULL) {
|
||||||
|
g_error("Unable to initialise MatrixMessageBase from JSON: %s", inner_error->message);
|
||||||
|
|
||||||
|
g_clear_error(&inner_error);
|
||||||
|
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
g_object_notify_by_pspec((GObject *)matrix_message_base, matrix_message_base_properties[PROP_JSON]);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
matrix_message_base_finalize(GObject *gobject)
|
||||||
|
{
|
||||||
|
MatrixMessageBasePrivate *priv = matrix_message_base_get_instance_private(MATRIX_MESSAGE_BASE(gobject));
|
||||||
|
|
||||||
|
g_free(priv->_message_type);
|
||||||
|
g_free(priv->_body);
|
||||||
|
g_clear_error(&priv->_construct_error);
|
||||||
|
json_node_unref(priv->_json);
|
||||||
|
|
||||||
|
G_OBJECT_CLASS (matrix_message_base_parent_class)->finalize(gobject);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
matrix_message_base_get_property(GObject *gobject, guint property_id, GValue *value, GParamSpec *pspec)
|
||||||
|
{
|
||||||
|
MatrixMessageBase *matrix_message_base = MATRIX_MESSAGE_BASE(gobject);
|
||||||
|
|
||||||
|
switch (property_id) {
|
||||||
|
case PROP_MESSAGE_TYPE:
|
||||||
|
g_value_set_string(value, matrix_message_base_get_message_type(matrix_message_base));
|
||||||
|
|
||||||
|
break;
|
||||||
|
case PROP_BODY:
|
||||||
|
g_value_set_string(value, matrix_message_base_get_body(matrix_message_base));
|
||||||
|
|
||||||
|
break;
|
||||||
|
case PROP_JSON:
|
||||||
|
g_value_set_boxed(value, matrix_message_base_get_json(matrix_message_base, NULL));
|
||||||
|
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, property_id, pspec);
|
||||||
|
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
matrix_message_base_set_property(GObject *gobject, guint property_id, const GValue *value, GParamSpec *pspec)
|
||||||
|
{
|
||||||
|
MatrixMessageBase *matrix_message_base = MATRIX_MESSAGE_BASE(gobject);
|
||||||
|
|
||||||
|
switch (property_id) {
|
||||||
|
case PROP_MESSAGE_TYPE:
|
||||||
|
matrix_message_base_set_message_type(matrix_message_base, g_value_get_string(value));
|
||||||
|
|
||||||
|
break;
|
||||||
|
case PROP_BODY:
|
||||||
|
matrix_message_base_set_body(matrix_message_base, g_value_get_string(value));
|
||||||
|
|
||||||
|
break;
|
||||||
|
case PROP_JSON:
|
||||||
|
matrix_message_base_set_json(matrix_message_base, g_value_get_boxed(value));
|
||||||
|
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, property_id, pspec);
|
||||||
|
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
matrix_message_base_class_init(MatrixMessageBaseClass *klass)
|
||||||
|
{
|
||||||
|
klass->from_json = matrix_message_base_real_from_json;
|
||||||
|
klass->to_json = matrix_message_base_real_to_json;
|
||||||
|
G_OBJECT_CLASS(klass)->get_property = matrix_message_base_get_property;
|
||||||
|
G_OBJECT_CLASS(klass)->set_property = matrix_message_base_set_property;
|
||||||
|
G_OBJECT_CLASS(klass)->finalize = matrix_message_base_finalize;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* MatrixMessageBase:message-type:
|
||||||
|
*
|
||||||
|
* The message type.
|
||||||
|
*/
|
||||||
|
matrix_message_base_properties[PROP_MESSAGE_TYPE] = g_param_spec_string(
|
||||||
|
"message-type", "message-type", "message-type",
|
||||||
|
NULL,
|
||||||
|
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
|
||||||
|
g_object_class_install_property(G_OBJECT_CLASS(klass), PROP_MESSAGE_TYPE, matrix_message_base_properties[PROP_MESSAGE_TYPE]);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* MatrixMessageBase:body:
|
||||||
|
*
|
||||||
|
* The body of the message.
|
||||||
|
*/
|
||||||
|
matrix_message_base_properties[PROP_BODY] = g_param_spec_string(
|
||||||
|
"body", "body", "body",
|
||||||
|
NULL,
|
||||||
|
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
|
||||||
|
g_object_class_install_property(G_OBJECT_CLASS(klass), PROP_BODY, matrix_message_base_properties[PROP_BODY]);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* MatrixMessageBase:json:
|
||||||
|
*
|
||||||
|
* The JSON node corresponding to the message.
|
||||||
|
*/
|
||||||
|
matrix_message_base_properties[PROP_JSON] = g_param_spec_boxed(
|
||||||
|
"json", "json", "json",
|
||||||
|
JSON_TYPE_NODE,
|
||||||
|
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
|
||||||
|
g_object_class_install_property(G_OBJECT_CLASS(klass), PROP_JSON, matrix_message_base_properties[PROP_JSON]);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
matrix_message_base_g_initable_interface_init(GInitableIface *iface)
|
||||||
|
{
|
||||||
|
|
||||||
|
iface->init = matrix_message_base_real_init;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
matrix_message_base_init(MatrixMessageBase *matrix_message_base) {
|
||||||
|
MatrixMessageBasePrivate *priv = matrix_message_base_get_instance_private(matrix_message_base);
|
||||||
|
|
||||||
|
priv->_message_type = NULL;
|
||||||
|
priv->_body = NULL;
|
||||||
|
priv->_inited = FALSE;
|
||||||
|
priv->_construct_error = NULL;
|
||||||
|
priv->_json = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* matrix_message_get_handler:
|
||||||
|
* @message_type: (transfer none): the message type to look up
|
||||||
|
*
|
||||||
|
* Get the #GType of the class that is registered to handle messages with type @message_type.
|
||||||
|
*
|
||||||
|
* Returns: a #GType, or #G_TYPE_NONE if no handler is registered
|
||||||
|
*/
|
||||||
|
GType
|
||||||
|
matrix_message_get_handler(const gchar *message_type)
|
||||||
|
{
|
||||||
|
GTypeClass* klass = NULL;
|
||||||
|
|
||||||
|
g_return_val_if_fail(message_type != NULL, G_TYPE_NONE);
|
||||||
|
|
||||||
|
if (matrix_message_type_handlers != NULL) {
|
||||||
|
if ((klass = (GTypeClass *)g_hash_table_lookup (matrix_message_type_handlers, message_type)) != NULL) {
|
||||||
|
return G_TYPE_FROM_CLASS(klass);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (DEBUG) {
|
||||||
|
g_warning ("matrix-message-base.vala:192: No registered type for message %s", message_type);
|
||||||
|
}
|
||||||
|
|
||||||
|
return G_TYPE_NONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* matrix_message_register_type:
|
||||||
|
* @message_type: (transfer none): the type of the message
|
||||||
|
* @message_gtype: the #GType of the message’s handler
|
||||||
|
* @error: a #GError, or NULL to ignore errors
|
||||||
|
*
|
||||||
|
* Register @message_type to be handled by the type @message_gtype. If the message type is
|
||||||
|
* already registered, @error is set to #MATRIX_ERROR_ALREADY_EXISTS; in such cases, one should
|
||||||
|
* call matrix_message_unregister_type() first.
|
||||||
|
*
|
||||||
|
* If @message_gtype is not a subclass of #MatrixMessageBase, @error is sot to
|
||||||
|
* #MATRIX_ERROR_INVALID_TYPE.
|
||||||
|
*/
|
||||||
|
void
|
||||||
|
matrix_message_register_type(const gchar *message_type, GType message_gtype, GError **error)
|
||||||
|
{
|
||||||
|
gchar *key;
|
||||||
|
GTypeClass *value;
|
||||||
|
|
||||||
|
g_return_if_fail(message_type != NULL);
|
||||||
|
|
||||||
|
if (!g_type_is_a (message_gtype, MATRIX_MESSAGE_TYPE_BASE)) {
|
||||||
|
g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INVALID_TYPE, "Invalid message handler type");
|
||||||
|
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Report an error if the message type is already registered
|
||||||
|
if ((matrix_message_type_handlers != NULL) && g_hash_table_lookup_extended(matrix_message_type_handlers, message_type, NULL, NULL)) {
|
||||||
|
g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_ALREADY_EXISTS, "This message type is already registered.");
|
||||||
|
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (matrix_message_type_handlers == NULL) {
|
||||||
|
matrix_message_type_handlers = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_type_class_unref);
|
||||||
|
}
|
||||||
|
|
||||||
|
key = g_strdup (message_type);
|
||||||
|
value = g_type_class_ref(message_gtype);
|
||||||
|
g_hash_table_insert(matrix_message_type_handlers, key, value);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* matrix_message_unregister_type:
|
||||||
|
* @message_type: (transfer none): the message type to remove
|
||||||
|
*
|
||||||
|
* Unregister @message_type’s message handler. It is safe to call this on a message type that is
|
||||||
|
* not registered yet, as such calls will be safely ignored.
|
||||||
|
*/
|
||||||
|
void
|
||||||
|
matrix_message_unregister_type(const gchar *message_type)
|
||||||
|
{
|
||||||
|
g_return_if_fail(message_type != NULL);
|
||||||
|
|
||||||
|
if (matrix_message_type_handlers != NULL) {
|
||||||
|
g_hash_table_remove (matrix_message_type_handlers, message_type);
|
||||||
|
}
|
||||||
|
}
|
||||||
66
src/matrix-message-base.h
Normal file
66
src/matrix-message-base.h
Normal file
@ -0,0 +1,66 @@
|
|||||||
|
/*
|
||||||
|
* This file is part of matrix-glib-sdk
|
||||||
|
*
|
||||||
|
* matrix-glib-sdk is free software: you can redistribute it and/or
|
||||||
|
* modify it under the terms of the GNU Lesser General Public
|
||||||
|
* License as published by the Free Software Foundation, either
|
||||||
|
* version 3 of the License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* matrix-glib-sdk 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 Lesser General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Lesser General Public
|
||||||
|
* License along with matrix-glib-sdk. If not, see
|
||||||
|
* <http://www.gnu.org/licenses/>.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __MATRIX_GLIB_SDK_MESSAGE_BASE_H__
|
||||||
|
# define __MATRIX_GLIB_SDK_MESSAGE_BASE_H__
|
||||||
|
|
||||||
|
# include <glib-object.h>
|
||||||
|
# include <json-glib/json-glib.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
# define MATRIX_MESSAGE_TYPE_BASE matrix_message_base_get_type()
|
||||||
|
# define MATRIX_MESSAGE_BASE(o) (G_TYPE_CHECK_INSTANCE_CAST((o), MATRIX_MESSAGE_TYPE_BASE, MatrixMessageBase))
|
||||||
|
# define MATRIX_MESSAGE_BASE_CLASS(c) (G_TYPE_CHECK_CLASS_CAST((c), MATRIX_MESSAGE_TYPE_BASE, MatrixMessageBaseClass))
|
||||||
|
# define MATRIX_MESSAGE_IS_BASE(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), MATRIX_MESSAGE_TYPE_BASE))
|
||||||
|
# define MATRIX_MESSAGE_IS_BASE_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE((c), MATRIX_MESSAGE_TYPE_BASE))
|
||||||
|
# define MATRIX_MESSAGE_BASE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), MATRIX_MESSAGE_TYPE_BASE, MatrixMessageBaseClass))
|
||||||
|
|
||||||
|
typedef struct _MatrixMessageBase MatrixMessageBase;
|
||||||
|
typedef struct _MatrixMessageBaseClass MatrixMessageBaseClass;
|
||||||
|
G_DEFINE_AUTOPTR_CLEANUP_FUNC(MatrixMessageBase, g_object_unref)
|
||||||
|
|
||||||
|
struct _MatrixMessageBase {
|
||||||
|
GObject parent_instance;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _MatrixMessageBaseClass {
|
||||||
|
GObjectClass parent_class;
|
||||||
|
|
||||||
|
void (*from_json)(MatrixMessageBase *message, JsonNode *json_data, GError **error);
|
||||||
|
void (*to_json)(MatrixMessageBase *message, JsonNode *json_data, GError **error);
|
||||||
|
};
|
||||||
|
|
||||||
|
GType matrix_message_base_get_type(void) G_GNUC_CONST;
|
||||||
|
MatrixMessageBase* matrix_message_base_new_from_json(JsonNode *json_data, GError **error);
|
||||||
|
void matrix_message_base_from_json(MatrixMessageBase *message, JsonNode* json_data, GError** error);
|
||||||
|
void matrix_message_base_to_json(MatrixMessageBase *message, JsonNode *json_data, GError **error);
|
||||||
|
MatrixMessageBase* matrix_message_base_construct(GType object_type);
|
||||||
|
const gchar* matrix_message_base_get_message_type(MatrixMessageBase *message);
|
||||||
|
void matrix_message_base_set_message_type(MatrixMessageBase *message, const gchar *message_type);
|
||||||
|
const gchar* matrix_message_base_get_body(MatrixMessageBase *message);
|
||||||
|
void matrix_message_base_set_body(MatrixMessageBase *message, const gchar *body);
|
||||||
|
JsonNode* matrix_message_base_get_json(MatrixMessageBase *message, GError **error);
|
||||||
|
|
||||||
|
GType matrix_message_get_handler(const gchar *message_type);
|
||||||
|
void matrix_message_register_type(const gchar *message_type, GType message_gtype, GError **error);
|
||||||
|
void matrix_message_unregister_type(const gchar *message_type);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __MATRIX_GLIB_SDK_MESSAGE_BASE_H__ */
|
||||||
@ -1,234 +0,0 @@
|
|||||||
/*
|
|
||||||
* This file is part of matrix-glib-sdk
|
|
||||||
*
|
|
||||||
* matrix-glib-sdk is free software: you can redistribute it and/or
|
|
||||||
* modify it under the terms of the GNU Lesser General Public
|
|
||||||
* License as published by the Free Software Foundation, either
|
|
||||||
* version 3 of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* matrix-glib-sdk 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 Lesser General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Lesser General Public
|
|
||||||
* License along with matrix-glib-sdk. If not, see
|
|
||||||
* <http://www.gnu.org/licenses/>.
|
|
||||||
*/
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Base class for message handlers.
|
|
||||||
*
|
|
||||||
* Message handler base class.
|
|
||||||
*/
|
|
||||||
public abstract class Matrix.Message.Base : Object, Initable {
|
|
||||||
/**
|
|
||||||
* The message type.
|
|
||||||
*/
|
|
||||||
public string? message_type { get; set; default = null; }
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The body of the message.
|
|
||||||
*/
|
|
||||||
public string? body { get; set; default = null; }
|
|
||||||
|
|
||||||
public Json.Node? json {
|
|
||||||
get {
|
|
||||||
_json = new Json.Node(Json.NodeType.OBJECT);
|
|
||||||
_json.set_object(new Json.Object());
|
|
||||||
|
|
||||||
try {
|
|
||||||
to_json(_json);
|
|
||||||
} catch (Matrix.Error e) {
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
return _json;
|
|
||||||
}
|
|
||||||
|
|
||||||
construct {
|
|
||||||
if (value != null) {
|
|
||||||
try {
|
|
||||||
initialize_from_json(value);
|
|
||||||
} catch (Matrix.Error e) {}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
private bool _inited = false;
|
|
||||||
private Error? _construct_error = null;
|
|
||||||
private Json.Node? _json = null;
|
|
||||||
|
|
||||||
public bool
|
|
||||||
init(Cancellable? cancellable = null)
|
|
||||||
throws GLib.Error
|
|
||||||
{
|
|
||||||
if (cancellable != null) {
|
|
||||||
throw new Matrix.Error.UNSUPPORTED(
|
|
||||||
"Cancellable initialization not supported");
|
|
||||||
}
|
|
||||||
|
|
||||||
if (_construct_error != null) {
|
|
||||||
throw _construct_error;
|
|
||||||
}
|
|
||||||
|
|
||||||
_inited = true;
|
|
||||||
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
private void
|
|
||||||
initialize_from_json(Json.Node json_data)
|
|
||||||
throws Matrix.Error
|
|
||||||
{
|
|
||||||
var gen = new Json.Generator();
|
|
||||||
gen.set_root(json_data);
|
|
||||||
|
|
||||||
if (json_data.get_node_type() != Json.NodeType.OBJECT) {
|
|
||||||
throw new Matrix.Error.INVALID_FORMAT(
|
|
||||||
"The message is not valid");
|
|
||||||
}
|
|
||||||
|
|
||||||
from_json(json_data);
|
|
||||||
}
|
|
||||||
|
|
||||||
public static Matrix.Message.Base?
|
|
||||||
new_from_json(Json.Node json_data)
|
|
||||||
throws Matrix.Error, GLib.Error
|
|
||||||
{
|
|
||||||
var root = json_data.get_object();
|
|
||||||
Json.Node? node;
|
|
||||||
|
|
||||||
if ((node = root.get_member("msgtype")) == null) {
|
|
||||||
throw new Matrix.Error.INCOMPLETE(
|
|
||||||
"Can not process a message without msgtype");
|
|
||||||
}
|
|
||||||
|
|
||||||
Type? msg_gtype;
|
|
||||||
|
|
||||||
if ((msg_gtype = get_handler(node.get_string())) == null) {
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
var ret = (Base)Object.new(msg_gtype,
|
|
||||||
json : json_data);
|
|
||||||
|
|
||||||
ret.init();
|
|
||||||
|
|
||||||
return ret;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Subclasses should override this method to initialize themselves
|
|
||||||
* from JSON data while chaining up to allow parent classes to do
|
|
||||||
* the same.
|
|
||||||
*/
|
|
||||||
public virtual void
|
|
||||||
from_json(Json.Node json_data)
|
|
||||||
throws Matrix.Error
|
|
||||||
{
|
|
||||||
var root = json_data.get_object();
|
|
||||||
Json.Node? node;
|
|
||||||
|
|
||||||
if ((node = root.get_member("msgtype")) != null) {
|
|
||||||
_message_type = node.get_string();
|
|
||||||
} else if (Config.DEBUG) {
|
|
||||||
warning("msgtype is not present in a message");
|
|
||||||
}
|
|
||||||
|
|
||||||
if ((node = root.get_member("body")) != null) {
|
|
||||||
_body = node.get_string();
|
|
||||||
} else if (Config.DEBUG) {
|
|
||||||
warning("body is not presente in a message");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Subclasses should override this method to export their data to
|
|
||||||
* JSON, while chaining up to allow parent classes to do the same.
|
|
||||||
*/
|
|
||||||
public virtual void
|
|
||||||
to_json(Json.Node json_data)
|
|
||||||
throws Matrix.Error
|
|
||||||
{
|
|
||||||
var root = json_data.get_object();
|
|
||||||
|
|
||||||
if (_message_type == null) {
|
|
||||||
throw new Matrix.Error.INCOMPLETE(
|
|
||||||
"Won't generate a message with an empty msgtype");
|
|
||||||
}
|
|
||||||
|
|
||||||
if (_body == null) {
|
|
||||||
throw new Matrix.Error.INCOMPLETE(
|
|
||||||
"Won't generate a message without body");
|
|
||||||
}
|
|
||||||
|
|
||||||
root.set_string_member("msgtype", _message_type);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
namespace Matrix.Message {
|
|
||||||
|
|
||||||
private HashTable<string, TypeClass>? type_handlers = null;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Get the {@link GLib.Type} of the class that is registered to handle
|
|
||||||
* messages with type @param message_type.
|
|
||||||
*
|
|
||||||
* @param message_type the message type to look up
|
|
||||||
* @return a {@link GLib.Type} or `null` if no handler is registered
|
|
||||||
*/
|
|
||||||
public static GLib.Type?
|
|
||||||
get_handler(string message_type)
|
|
||||||
{
|
|
||||||
unowned GLib.TypeClass? klass = null;
|
|
||||||
|
|
||||||
if ((type_handlers != null)
|
|
||||||
&& ((klass = type_handlers.get(message_type)) != null)) {
|
|
||||||
return klass.get_type();
|
|
||||||
}
|
|
||||||
|
|
||||||
if (Config.DEBUG) {
|
|
||||||
warning("No registered type for message %s", message_type);
|
|
||||||
}
|
|
||||||
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Register @param message_type to be handled by the
|
|
||||||
* type @param message_gtype.
|
|
||||||
*
|
|
||||||
* @param message_type the type of the message
|
|
||||||
* @param message_gtype the {@link GLib.Type} of the event's handler
|
|
||||||
*/
|
|
||||||
public static void
|
|
||||||
register_type(string message_type, GLib.Type message_gtype)
|
|
||||||
throws Matrix.Error
|
|
||||||
{
|
|
||||||
if (!message_gtype.is_a(typeof(Matrix.Message.Base))) {
|
|
||||||
throw new Matrix.Error.INVALID_TYPE(
|
|
||||||
"Invalid message handler type");
|
|
||||||
}
|
|
||||||
|
|
||||||
if (type_handlers == null) {
|
|
||||||
type_handlers = new HashTable<string, GLib.TypeClass>(
|
|
||||||
str_hash, str_equal);
|
|
||||||
}
|
|
||||||
|
|
||||||
type_handlers.replace(message_type, message_gtype.class_ref());
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Unregister @param message_type.
|
|
||||||
*
|
|
||||||
* @param message_type the message type to remove
|
|
||||||
*/
|
|
||||||
public void
|
|
||||||
unregister_type(string message_type)
|
|
||||||
{
|
|
||||||
if (type_handlers != null) {
|
|
||||||
type_handlers.remove(message_type);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@ -605,4 +605,41 @@ namespace Matrix {
|
|||||||
throws Matrix.Error;
|
throws Matrix.Error;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
[CCode (gir_namespace = "MatrixMessage", gir_version = "0.0")]
|
||||||
|
namespace Message {
|
||||||
|
[CCode (cname = "matrix_message_get_handler")]
|
||||||
|
public static GLib.Type? get_handler(string message_type);
|
||||||
|
|
||||||
|
[CCode (cname = "matrix_message_register_type")]
|
||||||
|
public static void register_type(string message_type, GLib.Type message_gtype)
|
||||||
|
throws Matrix.Error;
|
||||||
|
|
||||||
|
[CCode (cname = "matrix_message_unregister_type")]
|
||||||
|
public void unregister_type(string message_type);
|
||||||
|
|
||||||
|
[CCode (cheader_filename = "matrix-message-base.h")]
|
||||||
|
public abstract class Base : GLib.Object, GLib.Initable {
|
||||||
|
public string? message_type { get; set; default = null; }
|
||||||
|
public string? body { get; set; default = null; }
|
||||||
|
public Json.Node? json { get; construct; }
|
||||||
|
|
||||||
|
public Base();
|
||||||
|
|
||||||
|
public bool init(GLib.Cancellable? cancellable = null)
|
||||||
|
throws GLib.Error;
|
||||||
|
|
||||||
|
private void initialize_from_json(Json.Node json_data)
|
||||||
|
throws Matrix.Error;
|
||||||
|
|
||||||
|
public static Matrix.Message.Base? new_from_json(Json.Node json_data)
|
||||||
|
throws Matrix.Error, GLib.Error;
|
||||||
|
|
||||||
|
public virtual void from_json(Json.Node json_data)
|
||||||
|
throws Matrix.Error;
|
||||||
|
|
||||||
|
public virtual void to_json(Json.Node json_data)
|
||||||
|
throws Matrix.Error;
|
||||||
|
}
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user