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/* foundry-dap-protocol.c
*
* Copyright 2025 Christian Hergert <chergert@redhat.com>
*
* This library 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 2.1 of the
* License, or (at your option) any later version.
*
* This library 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 General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#include "foundry-dap-protocol.h"
#include "foundry-json-node.h"
/**
* FoundryDapProtocol:
*
* Provides utility functions for working with the Debug Adapter Protocol.
*
* FoundryDapProtocol provides helper functions for parsing and validating
* DAP protocol messages. It includes error handling, message validation,
* and provides a unified interface for working with DAP protocol
* communication and message processing.
*/
gboolean
foundry_dap_protocol_has_error (JsonNode *node)
{
gint64 request_seq = 0;
gboolean success = FALSE;
g_return_val_if_fail (node != NULL, FALSE);
if (!FOUNDRY_JSON_OBJECT_PARSE (node, "type", "response"))
return TRUE;
if (!FOUNDRY_JSON_OBJECT_PARSE (node, "request_seq", FOUNDRY_JSON_NODE_GET_INT (&request_seq)))
return TRUE;
if (!FOUNDRY_JSON_OBJECT_PARSE (node, "success", FOUNDRY_JSON_NODE_GET_BOOLEAN (&success)) || !success)
return TRUE;
return FALSE;
}
GError *
foundry_dap_protocol_extract_error (JsonNode *node)
{
const char *id = NULL;
const char *format = NULL;
g_return_val_if_fail (node != NULL, NULL);
if (!FOUNDRY_JSON_OBJECT_PARSE (node, "error", "{",
"id", FOUNDRY_JSON_NODE_GET_STRING (&id),
"format", FOUNDRY_JSON_NODE_GET_STRING (&format),
"}"))
return g_error_new_literal (G_IO_ERROR,
G_IO_ERROR_FAILED,
"Failed");
/* TODO: expand format string */
return g_error_new (G_IO_ERROR,
G_IO_ERROR_FAILED,
"%s: %s", id, format);
}
/**
* foundry_dap_protocol_unwrap_error:
*
* Returns: (transfer full):
*/
DexFuture *
foundry_dap_protocol_unwrap_error (DexFuture *completed,
gpointer user_data)
{
g_autoptr(JsonNode) reply = NULL;
g_autoptr(GError) error = NULL;
if ((reply = dex_await_boxed (dex_ref (completed), &error)))
{
if (foundry_dap_protocol_has_error (reply))
return dex_future_new_for_error (foundry_dap_protocol_extract_error (reply));
}
return dex_ref (completed);
}
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