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Diffstat (limited to 'platform/javascript/javascript_singleton.cpp')
| -rw-r--r-- | platform/javascript/javascript_singleton.cpp | 366 |
1 files changed, 0 insertions, 366 deletions
diff --git a/platform/javascript/javascript_singleton.cpp b/platform/javascript/javascript_singleton.cpp deleted file mode 100644 index 204e92b82b..0000000000 --- a/platform/javascript/javascript_singleton.cpp +++ /dev/null @@ -1,366 +0,0 @@ -/*************************************************************************/ -/* javascript_singleton.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ - -#include "api/javascript_singleton.h" - -#include "emscripten.h" -#include "os_javascript.h" - -extern "C" { -extern void godot_js_os_download_buffer(const uint8_t *p_buf, int p_buf_size, const char *p_name, const char *p_mime); -} - -#ifdef JAVASCRIPT_EVAL_ENABLED - -extern "C" { -typedef union { - int64_t i; - double r; - void *p; -} godot_js_wrapper_ex; - -typedef int (*GodotJSWrapperVariant2JSCallback)(const void **p_args, int p_pos, godot_js_wrapper_ex *r_val, void **p_lock); -typedef void (*GodotJSWrapperFreeLockCallback)(void **p_lock, int p_type); -extern int godot_js_wrapper_interface_get(const char *p_name); -extern int godot_js_wrapper_object_call(int p_id, const char *p_method, void **p_args, int p_argc, GodotJSWrapperVariant2JSCallback p_variant2js_callback, godot_js_wrapper_ex *p_cb_rval, void **p_lock, GodotJSWrapperFreeLockCallback p_lock_callback); -extern int godot_js_wrapper_object_get(int p_id, godot_js_wrapper_ex *p_val, const char *p_prop); -extern int godot_js_wrapper_object_getvar(int p_id, int p_type, godot_js_wrapper_ex *p_val); -extern int godot_js_wrapper_object_setvar(int p_id, int p_key_type, godot_js_wrapper_ex *p_key_ex, int p_val_type, godot_js_wrapper_ex *p_val_ex); -extern void godot_js_wrapper_object_set(int p_id, const char *p_name, int p_type, godot_js_wrapper_ex *p_val); -extern void godot_js_wrapper_object_unref(int p_id); -extern int godot_js_wrapper_create_cb(void *p_ref, void (*p_callback)(void *p_ref, int p_arg_id, int p_argc)); -extern void godot_js_wrapper_object_set_cb_ret(int p_type, godot_js_wrapper_ex *p_val); -extern int godot_js_wrapper_create_object(const char *p_method, void **p_args, int p_argc, GodotJSWrapperVariant2JSCallback p_variant2js_callback, godot_js_wrapper_ex *p_cb_rval, void **p_lock, GodotJSWrapperFreeLockCallback p_lock_callback); -}; - -class JavaScriptObjectImpl : public JavaScriptObject { -private: - friend class JavaScript; - - int _js_id = 0; - Callable _callable; - - static int _variant2js(const void **p_args, int p_pos, godot_js_wrapper_ex *r_val, void **p_lock); - static void _free_lock(void **p_lock, int p_type); - static Variant _js2variant(int p_type, godot_js_wrapper_ex *p_val); - static void *_alloc_variants(int p_size); - static void _callback(void *p_ref, int p_arg_id, int p_argc); - -protected: - bool _set(const StringName &p_name, const Variant &p_value) override; - bool _get(const StringName &p_name, Variant &r_ret) const override; - void _get_property_list(List<PropertyInfo> *p_list) const override; - -public: - Variant getvar(const Variant &p_key, bool *r_valid = nullptr) const override; - void setvar(const Variant &p_key, const Variant &p_value, bool *r_valid = nullptr) override; - Variant callp(const StringName &p_method, const Variant **p_args, int p_argc, Callable::CallError &r_error) override; - JavaScriptObjectImpl() {} - JavaScriptObjectImpl(int p_id) { _js_id = p_id; } - ~JavaScriptObjectImpl() { - if (_js_id) { - godot_js_wrapper_object_unref(_js_id); - } - } -}; - -bool JavaScriptObjectImpl::_set(const StringName &p_name, const Variant &p_value) { - ERR_FAIL_COND_V_MSG(!_js_id, false, "Invalid JS instance"); - const String name = p_name; - godot_js_wrapper_ex exchange; - void *lock = nullptr; - const Variant *v = &p_value; - int type = _variant2js((const void **)&v, 0, &exchange, &lock); - godot_js_wrapper_object_set(_js_id, name.utf8().get_data(), type, &exchange); - if (lock) { - _free_lock(&lock, type); - } - return true; -} - -bool JavaScriptObjectImpl::_get(const StringName &p_name, Variant &r_ret) const { - ERR_FAIL_COND_V_MSG(!_js_id, false, "Invalid JS instance"); - const String name = p_name; - godot_js_wrapper_ex exchange; - int type = godot_js_wrapper_object_get(_js_id, &exchange, name.utf8().get_data()); - r_ret = _js2variant(type, &exchange); - return true; -} - -Variant JavaScriptObjectImpl::getvar(const Variant &p_key, bool *r_valid) const { - if (r_valid) { - *r_valid = false; - } - godot_js_wrapper_ex exchange; - void *lock = nullptr; - const Variant *v = &p_key; - int prop_type = _variant2js((const void **)&v, 0, &exchange, &lock); - int type = godot_js_wrapper_object_getvar(_js_id, prop_type, &exchange); - if (lock) { - _free_lock(&lock, prop_type); - } - if (type < 0) { - return Variant(); - } - if (r_valid) { - *r_valid = true; - } - return _js2variant(type, &exchange); -} - -void JavaScriptObjectImpl::setvar(const Variant &p_key, const Variant &p_value, bool *r_valid) { - if (r_valid) { - *r_valid = false; - } - godot_js_wrapper_ex kex, vex; - void *klock = nullptr; - void *vlock = nullptr; - const Variant *kv = &p_key; - const Variant *vv = &p_value; - int ktype = _variant2js((const void **)&kv, 0, &kex, &klock); - int vtype = _variant2js((const void **)&vv, 0, &vex, &vlock); - int ret = godot_js_wrapper_object_setvar(_js_id, ktype, &kex, vtype, &vex); - if (klock) { - _free_lock(&klock, ktype); - } - if (vlock) { - _free_lock(&vlock, vtype); - } - if (ret == 0 && r_valid) { - *r_valid = true; - } -} - -void JavaScriptObjectImpl::_get_property_list(List<PropertyInfo> *p_list) const { -} - -void JavaScriptObjectImpl::_free_lock(void **p_lock, int p_type) { - ERR_FAIL_COND_MSG(*p_lock == nullptr, "No lock to free!"); - const Variant::Type type = (Variant::Type)p_type; - switch (type) { - case Variant::STRING: { - CharString *cs = (CharString *)(*p_lock); - memdelete(cs); - *p_lock = nullptr; - } break; - default: - ERR_FAIL_MSG("Unknown lock type to free. Likely a bug."); - } -} - -Variant JavaScriptObjectImpl::_js2variant(int p_type, godot_js_wrapper_ex *p_val) { - Variant::Type type = (Variant::Type)p_type; - switch (type) { - case Variant::BOOL: - return Variant((bool)p_val->i); - case Variant::INT: - return p_val->i; - case Variant::FLOAT: - return p_val->r; - case Variant::STRING: { - String out = String::utf8((const char *)p_val->p); - free(p_val->p); - return out; - } - case Variant::OBJECT: { - return memnew(JavaScriptObjectImpl(p_val->i)); - } - default: - return Variant(); - } -} - -int JavaScriptObjectImpl::_variant2js(const void **p_args, int p_pos, godot_js_wrapper_ex *r_val, void **p_lock) { - const Variant **args = (const Variant **)p_args; - const Variant *v = args[p_pos]; - Variant::Type type = v->get_type(); - switch (type) { - case Variant::BOOL: - r_val->i = v->operator bool() ? 1 : 0; - break; - case Variant::INT: { - const int64_t tmp = v->operator int64_t(); - if (tmp >= 1LL << 31) { - r_val->r = (double)tmp; - return Variant::FLOAT; - } - r_val->i = v->operator int64_t(); - } break; - case Variant::FLOAT: - r_val->r = v->operator real_t(); - break; - case Variant::STRING: { - CharString *cs = memnew(CharString(v->operator String().utf8())); - r_val->p = (void *)cs->get_data(); - *p_lock = (void *)cs; - } break; - case Variant::OBJECT: { - JavaScriptObject *js_obj = Object::cast_to<JavaScriptObject>(v->operator Object *()); - r_val->i = js_obj != nullptr ? ((JavaScriptObjectImpl *)js_obj)->_js_id : 0; - } break; - default: - break; - } - return type; -} - -Variant JavaScriptObjectImpl::callp(const StringName &p_method, const Variant **p_args, int p_argc, Callable::CallError &r_error) { - godot_js_wrapper_ex exchange; - const String method = p_method; - void *lock = nullptr; - const int type = godot_js_wrapper_object_call(_js_id, method.utf8().get_data(), (void **)p_args, p_argc, &_variant2js, &exchange, &lock, &_free_lock); - r_error.error = Callable::CallError::CALL_OK; - if (type < 0) { - r_error.error = Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL; - return Variant(); - } - return _js2variant(type, &exchange); -} - -void JavaScriptObjectImpl::_callback(void *p_ref, int p_args_id, int p_argc) { - const JavaScriptObjectImpl *obj = (JavaScriptObjectImpl *)p_ref; - ERR_FAIL_COND_MSG(obj->_callable.is_null(), "JavaScript callback failed."); - Vector<const Variant *> argp; - Array arg_arr; - for (int i = 0; i < p_argc; i++) { - godot_js_wrapper_ex exchange; - exchange.i = i; - int type = godot_js_wrapper_object_getvar(p_args_id, Variant::INT, &exchange); - arg_arr.push_back(_js2variant(type, &exchange)); - } - Variant arg = arg_arr; - const Variant *argv[1] = { &arg }; - Callable::CallError err; - Variant ret; - obj->_callable.callp(argv, 1, ret, err); - - // Set return value - godot_js_wrapper_ex exchange; - void *lock = nullptr; - const Variant *v = &ret; - int type = _variant2js((const void **)&v, 0, &exchange, &lock); - godot_js_wrapper_object_set_cb_ret(type, &exchange); - if (lock) { - _free_lock(&lock, type); - } -} - -Ref<JavaScriptObject> JavaScript::create_callback(const Callable &p_callable) { - Ref<JavaScriptObjectImpl> out = memnew(JavaScriptObjectImpl); - out->_callable = p_callable; - out->_js_id = godot_js_wrapper_create_cb(out.ptr(), JavaScriptObjectImpl::_callback); - return out; -} - -Ref<JavaScriptObject> JavaScript::get_interface(const String &p_interface) { - int js_id = godot_js_wrapper_interface_get(p_interface.utf8().get_data()); - ERR_FAIL_COND_V_MSG(!js_id, Ref<JavaScriptObject>(), "No interface '" + p_interface + "' registered."); - return Ref<JavaScriptObject>(memnew(JavaScriptObjectImpl(js_id))); -} - -Variant JavaScript::_create_object_bind(const Variant **p_args, int p_argcount, Callable::CallError &r_error) { - if (p_argcount < 1) { - r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; - r_error.argument = 0; - return Ref<JavaScriptObject>(); - } - if (p_args[0]->get_type() != Variant::STRING) { - r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT; - r_error.argument = 0; - r_error.expected = Variant::STRING; - return Ref<JavaScriptObject>(); - } - godot_js_wrapper_ex exchange; - const String object = *p_args[0]; - void *lock = nullptr; - const Variant **args = p_argcount > 1 ? &p_args[1] : nullptr; - const int type = godot_js_wrapper_create_object(object.utf8().get_data(), (void **)args, p_argcount - 1, &JavaScriptObjectImpl::_variant2js, &exchange, &lock, &JavaScriptObjectImpl::_free_lock); - r_error.error = Callable::CallError::CALL_OK; - if (type < 0) { - r_error.error = Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL; - return Ref<JavaScriptObject>(); - } - return JavaScriptObjectImpl::_js2variant(type, &exchange); -} - -extern "C" { -union js_eval_ret { - uint32_t b; - double d; - char *s; -}; - -extern int godot_js_eval(const char *p_js, int p_use_global_ctx, union js_eval_ret *p_union_ptr, void *p_byte_arr, void *p_byte_arr_write, void *(*p_callback)(void *p_ptr, void *p_ptr2, int p_len)); -} - -void *resize_PackedByteArray_and_open_write(void *p_arr, void *r_write, int p_len) { - PackedByteArray *arr = (PackedByteArray *)p_arr; - VectorWriteProxy<uint8_t> *write = (VectorWriteProxy<uint8_t> *)r_write; - arr->resize(p_len); - *write = arr->write; - return arr->ptrw(); -} - -Variant JavaScript::eval(const String &p_code, bool p_use_global_exec_context) { - union js_eval_ret js_data; - PackedByteArray arr; - VectorWriteProxy<uint8_t> arr_write; - - Variant::Type return_type = static_cast<Variant::Type>(godot_js_eval(p_code.utf8().get_data(), p_use_global_exec_context, &js_data, &arr, &arr_write, resize_PackedByteArray_and_open_write)); - - switch (return_type) { - case Variant::BOOL: - return js_data.b; - case Variant::FLOAT: - return js_data.d; - case Variant::STRING: { - String str = String::utf8(js_data.s); - free(js_data.s); // Must free the string allocated in JS. - return str; - } - case Variant::PACKED_BYTE_ARRAY: - arr_write = VectorWriteProxy<uint8_t>(); - return arr; - default: - return Variant(); - } -} -#endif // JAVASCRIPT_EVAL_ENABLED - -void JavaScript::download_buffer(Vector<uint8_t> p_arr, const String &p_name, const String &p_mime) { - godot_js_os_download_buffer(p_arr.ptr(), p_arr.size(), p_name.utf8().get_data(), p_mime.utf8().get_data()); -} - -bool JavaScript::pwa_needs_update() const { - return OS_JavaScript::get_singleton()->pwa_needs_update(); -} -Error JavaScript::pwa_update() { - return OS_JavaScript::get_singleton()->pwa_update(); -} |