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/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; -*- */
// SPDX-License-Identifier: MIT OR LGPL-2.0-or-later
// SPDX-FileCopyrightText: 2008-2010 litl, LLC
#include <config.h>
#include <string>
#include <tuple> // for tie
#include <unordered_map>
#include <utility> // for pair
#include <glib.h>
#include <js/RootingAPI.h>
#include <js/TypeDecls.h>
#include "gjs/jsapi-util.h"
#include "gjs/native.h"
#include "util/log.h"
void Gjs::NativeModuleRegistry::add(const char* module_id,
GjsDefineModuleFunc func) {
bool inserted;
std::tie(std::ignore, inserted) = m_modules.insert({module_id, func});
if (!inserted) {
g_warning("A second native module tried to register the same id '%s'",
module_id);
return;
}
gjs_debug(GJS_DEBUG_NATIVE,
"Registered native JS module '%s'",
module_id);
}
/**
* is_registered:
* @name: name of the module
*
* Checks if a native module corresponding to @name has already
* been registered. This is used to check to see if a name is a
* builtin module without starting to try and load it.
*/
bool Gjs::NativeModuleRegistry::is_registered(const char* name) const {
return m_modules.count(name) > 0;
}
/**
* gjs_load:
* @context: the #JSContext
* @parse_name: Name under which the module was registered with
* add(), should be in the format as returned by
* g_file_get_parse_name()
* @module_out: Return location for a #JSObject
*
* Loads a builtin native-code module called @name into @module_out.
*
* Returns: true on success, false if an exception was thrown.
*/
bool Gjs::NativeModuleRegistry::load(JSContext* context, const char* parse_name,
JS::MutableHandleObject module_out) {
gjs_debug(GJS_DEBUG_NATIVE, "Defining native module '%s'", parse_name);
const auto& iter = m_modules.find(parse_name);
if (iter == m_modules.end()) {
gjs_throw(context,
"No native module '%s' has registered itself",
parse_name);
return false;
}
return iter->second(context, module_out);
}
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