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Add ability to bind an unbind arguments to Callable.

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reduz
2020-10-09 18:41:53 -03:00
parent 7c4d1e9c65
commit 351a122029
10 changed files with 339 additions and 10 deletions
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193
core/callable_bind.cpp Normal file
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/*************************************************************************/
/* callable_bind.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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 "callable_bind.h"
//////////////////////////////////
uint32_t CallableCustomBind::hash() const {
return callable.hash();
}
String CallableCustomBind::get_as_text() const {
return callable.operator String();
}
bool CallableCustomBind::_equal_func(const CallableCustom *p_a, const CallableCustom *p_b) {
const CallableCustomBind *a = (const CallableCustomBind *)p_a;
const CallableCustomBind *b = (const CallableCustomBind *)p_b;
if (!(a->callable != b->callable)) {
return false;
}
if (a->binds.size() != b->binds.size()) {
return false;
}
return true;
}
bool CallableCustomBind::_less_func(const CallableCustom *p_a, const CallableCustom *p_b) {
const CallableCustomBind *a = (const CallableCustomBind *)p_a;
const CallableCustomBind *b = (const CallableCustomBind *)p_b;
if (a->callable < b->callable) {
return true;
} else if (b->callable < a->callable) {
return false;
}
return a->binds.size() < b->binds.size();
}
CallableCustom::CompareEqualFunc CallableCustomBind::get_compare_equal_func() const {
return _equal_func;
}
CallableCustom::CompareLessFunc CallableCustomBind::get_compare_less_func() const {
return _less_func;
}
ObjectID CallableCustomBind::get_object() const {
return callable.get_object_id();
}
const Callable *CallableCustomBind::get_base_comparator() const {
return &callable;
}
void CallableCustomBind::call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const {
const Variant **args = (const Variant **)alloca(sizeof(const Variant **) * (binds.size() + p_argcount));
for (int i = 0; i < p_argcount; i++) {
args[i] = (const Variant *)p_arguments[i];
}
for (int i = 0; i < binds.size(); i++) {
args[i + p_argcount] = (const Variant *)&binds[i];
}
callable.call(args, p_argcount + binds.size(), r_return_value, r_call_error);
}
CallableCustomBind::CallableCustomBind(const Callable &p_callable, const Vector<Variant> &p_binds) {
callable = p_callable;
binds = p_binds;
}
CallableCustomBind::~CallableCustomBind() {
}
//////////////////////////////////
uint32_t CallableCustomUnbind::hash() const {
return callable.hash();
}
String CallableCustomUnbind::get_as_text() const {
return callable.operator String();
}
bool CallableCustomUnbind::_equal_func(const CallableCustom *p_a, const CallableCustom *p_b) {
const CallableCustomUnbind *a = (const CallableCustomUnbind *)p_a;
const CallableCustomUnbind *b = (const CallableCustomUnbind *)p_b;
if (!(a->callable != b->callable)) {
return false;
}
if (a->argcount != b->argcount) {
return false;
}
return true;
}
bool CallableCustomUnbind::_less_func(const CallableCustom *p_a, const CallableCustom *p_b) {
const CallableCustomUnbind *a = (const CallableCustomUnbind *)p_a;
const CallableCustomUnbind *b = (const CallableCustomUnbind *)p_b;
if (a->callable < b->callable) {
return true;
} else if (b->callable < a->callable) {
return false;
}
return a->argcount < b->argcount;
}
CallableCustom::CompareEqualFunc CallableCustomUnbind::get_compare_equal_func() const {
return _equal_func;
}
CallableCustom::CompareLessFunc CallableCustomUnbind::get_compare_less_func() const {
return _less_func;
}
ObjectID CallableCustomUnbind::get_object() const {
return callable.get_object_id();
}
const Callable *CallableCustomUnbind::get_base_comparator() const {
return &callable;
}
void CallableCustomUnbind::call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const {
if (argcount > p_argcount) {
r_call_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
r_call_error.argument = 0;
r_call_error.expected = argcount;
return;
}
callable.call(p_arguments, p_argcount - argcount, r_return_value, r_call_error);
}
CallableCustomUnbind::CallableCustomUnbind(const Callable &p_callable, int p_argcount) {
callable = p_callable;
argcount = p_argcount;
}
CallableCustomUnbind::~CallableCustomUnbind() {
}
Callable callable_bind(const Callable &p_callable, const Variant &p_arg1) {
return p_callable.bind((const Variant **)&p_arg1, 1);
}
Callable callable_bind(const Callable &p_callable, const Variant &p_arg1, const Variant &p_arg2) {
const Variant *args[2] = { &p_arg1, &p_arg2 };
return p_callable.bind(args, 2);
}
Callable callable_bind(const Callable &p_callable, const Variant &p_arg1, const Variant &p_arg2, const Variant &p_arg3) {
const Variant *args[3] = { &p_arg1, &p_arg2, &p_arg3 };
return p_callable.bind(args, 3);
}
Callable callable_bind(const Callable &p_callable, const Variant &p_arg1, const Variant &p_arg2, const Variant &p_arg3, const Variant &p_arg4) {
const Variant *args[4] = { &p_arg1, &p_arg2, &p_arg3, &p_arg4 };
return p_callable.bind(args, 4);
}
Callable callable_bind(const Callable &p_callable, const Variant &p_arg1, const Variant &p_arg2, const Variant &p_arg3, const Variant &p_arg4, const Variant &p_arg5) {
const Variant *args[5] = { &p_arg1, &p_arg2, &p_arg3, &p_arg4, &p_arg5 };
return p_callable.bind(args, 5);
}