483 lines
11 KiB
C++
483 lines
11 KiB
C++
/*************************************************************************/
|
|
/* string_name.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 "string_name.h"
|
|
|
|
#include "core/os/os.h"
|
|
#include "core/string/print_string.h"
|
|
|
|
StaticCString StaticCString::create(const char *p_ptr) {
|
|
StaticCString scs;
|
|
scs.ptr = p_ptr;
|
|
return scs;
|
|
}
|
|
|
|
StringName::_Data *StringName::_table[STRING_TABLE_LEN];
|
|
|
|
StringName _scs_create(const char *p_chr, bool p_static) {
|
|
return (p_chr[0] ? StringName(StaticCString::create(p_chr), p_static) : StringName());
|
|
}
|
|
|
|
bool StringName::configured = false;
|
|
Mutex StringName::mutex;
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
bool StringName::debug_stringname = false;
|
|
#endif
|
|
|
|
void StringName::setup() {
|
|
ERR_FAIL_COND(configured);
|
|
for (int i = 0; i < STRING_TABLE_LEN; i++) {
|
|
_table[i] = nullptr;
|
|
}
|
|
configured = true;
|
|
}
|
|
|
|
void StringName::cleanup() {
|
|
MutexLock lock(mutex);
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
if (unlikely(debug_stringname)) {
|
|
Vector<_Data *> data;
|
|
for (int i = 0; i < STRING_TABLE_LEN; i++) {
|
|
_Data *d = _table[i];
|
|
while (d) {
|
|
data.push_back(d);
|
|
d = d->next;
|
|
}
|
|
}
|
|
print_line("\nStringName Reference Ranking:\n");
|
|
data.sort_custom<DebugSortReferences>();
|
|
for (int i = 0; i < MIN(100, data.size()); i++) {
|
|
print_line(itos(i + 1) + ": " + data[i]->get_name() + " - " + itos(data[i]->debug_references));
|
|
}
|
|
}
|
|
#endif
|
|
int lost_strings = 0;
|
|
for (int i = 0; i < STRING_TABLE_LEN; i++) {
|
|
while (_table[i]) {
|
|
_Data *d = _table[i];
|
|
if (d->static_count.get() != d->refcount.get()) {
|
|
lost_strings++;
|
|
|
|
if (OS::get_singleton()->is_stdout_verbose()) {
|
|
if (d->cname) {
|
|
print_line("Orphan StringName: " + String(d->cname));
|
|
} else {
|
|
print_line("Orphan StringName: " + String(d->name));
|
|
}
|
|
}
|
|
}
|
|
|
|
_table[i] = _table[i]->next;
|
|
memdelete(d);
|
|
}
|
|
}
|
|
if (lost_strings) {
|
|
print_verbose("StringName: " + itos(lost_strings) + " unclaimed string names at exit.");
|
|
}
|
|
configured = false;
|
|
}
|
|
|
|
void StringName::unref() {
|
|
ERR_FAIL_COND(!configured);
|
|
|
|
if (_data && _data->refcount.unref()) {
|
|
MutexLock lock(mutex);
|
|
|
|
if (_data->static_count.get() > 0) {
|
|
if (_data->cname) {
|
|
ERR_PRINT("BUG: Unreferenced static string to 0: " + String(_data->cname));
|
|
} else {
|
|
ERR_PRINT("BUG: Unreferenced static string to 0: " + String(_data->name));
|
|
}
|
|
}
|
|
if (_data->prev) {
|
|
_data->prev->next = _data->next;
|
|
} else {
|
|
if (_table[_data->idx] != _data) {
|
|
ERR_PRINT("BUG!");
|
|
}
|
|
_table[_data->idx] = _data->next;
|
|
}
|
|
|
|
if (_data->next) {
|
|
_data->next->prev = _data->prev;
|
|
}
|
|
memdelete(_data);
|
|
}
|
|
|
|
_data = nullptr;
|
|
}
|
|
|
|
bool StringName::operator==(const String &p_name) const {
|
|
if (!_data) {
|
|
return (p_name.length() == 0);
|
|
}
|
|
|
|
return (_data->get_name() == p_name);
|
|
}
|
|
|
|
bool StringName::operator==(const char *p_name) const {
|
|
if (!_data) {
|
|
return (p_name[0] == 0);
|
|
}
|
|
|
|
return (_data->get_name() == p_name);
|
|
}
|
|
|
|
bool StringName::operator!=(const String &p_name) const {
|
|
return !(operator==(p_name));
|
|
}
|
|
|
|
bool StringName::operator!=(const StringName &p_name) const {
|
|
// the real magic of all this mess happens here.
|
|
// this is why path comparisons are very fast
|
|
return _data != p_name._data;
|
|
}
|
|
|
|
void StringName::operator=(const StringName &p_name) {
|
|
if (this == &p_name) {
|
|
return;
|
|
}
|
|
|
|
unref();
|
|
|
|
if (p_name._data && p_name._data->refcount.ref()) {
|
|
_data = p_name._data;
|
|
}
|
|
}
|
|
|
|
StringName::StringName(const StringName &p_name) {
|
|
_data = nullptr;
|
|
|
|
ERR_FAIL_COND(!configured);
|
|
|
|
if (p_name._data && p_name._data->refcount.ref()) {
|
|
_data = p_name._data;
|
|
}
|
|
}
|
|
|
|
StringName::StringName(const char *p_name, bool p_static) {
|
|
_data = nullptr;
|
|
|
|
ERR_FAIL_COND(!configured);
|
|
|
|
if (!p_name || p_name[0] == 0) {
|
|
return; //empty, ignore
|
|
}
|
|
|
|
MutexLock lock(mutex);
|
|
|
|
uint32_t hash = String::hash(p_name);
|
|
|
|
uint32_t idx = hash & STRING_TABLE_MASK;
|
|
|
|
_data = _table[idx];
|
|
|
|
while (_data) {
|
|
// compare hash first
|
|
if (_data->hash == hash && _data->get_name() == p_name) {
|
|
break;
|
|
}
|
|
_data = _data->next;
|
|
}
|
|
|
|
if (_data) {
|
|
if (_data->refcount.ref()) {
|
|
// exists
|
|
if (p_static) {
|
|
_data->static_count.increment();
|
|
}
|
|
#ifdef DEBUG_ENABLED
|
|
if (unlikely(debug_stringname)) {
|
|
_data->debug_references++;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
_data = memnew(_Data);
|
|
_data->name = p_name;
|
|
_data->refcount.init();
|
|
_data->static_count.set(p_static ? 1 : 0);
|
|
_data->hash = hash;
|
|
_data->idx = idx;
|
|
_data->cname = nullptr;
|
|
_data->next = _table[idx];
|
|
_data->prev = nullptr;
|
|
#ifdef DEBUG_ENABLED
|
|
if (unlikely(debug_stringname)) {
|
|
// Keep in memory, force static.
|
|
_data->refcount.ref();
|
|
_data->static_count.increment();
|
|
}
|
|
#endif
|
|
if (_table[idx]) {
|
|
_table[idx]->prev = _data;
|
|
}
|
|
_table[idx] = _data;
|
|
}
|
|
|
|
StringName::StringName(const StaticCString &p_static_string, bool p_static) {
|
|
_data = nullptr;
|
|
|
|
ERR_FAIL_COND(!configured);
|
|
|
|
ERR_FAIL_COND(!p_static_string.ptr || !p_static_string.ptr[0]);
|
|
|
|
MutexLock lock(mutex);
|
|
|
|
uint32_t hash = String::hash(p_static_string.ptr);
|
|
|
|
uint32_t idx = hash & STRING_TABLE_MASK;
|
|
|
|
_data = _table[idx];
|
|
|
|
while (_data) {
|
|
// compare hash first
|
|
if (_data->hash == hash && _data->get_name() == p_static_string.ptr) {
|
|
break;
|
|
}
|
|
_data = _data->next;
|
|
}
|
|
|
|
if (_data) {
|
|
if (_data->refcount.ref()) {
|
|
// exists
|
|
if (p_static) {
|
|
_data->static_count.increment();
|
|
}
|
|
#ifdef DEBUG_ENABLED
|
|
if (unlikely(debug_stringname)) {
|
|
_data->debug_references++;
|
|
}
|
|
#endif
|
|
return;
|
|
}
|
|
}
|
|
|
|
_data = memnew(_Data);
|
|
|
|
_data->refcount.init();
|
|
_data->static_count.set(p_static ? 1 : 0);
|
|
_data->hash = hash;
|
|
_data->idx = idx;
|
|
_data->cname = p_static_string.ptr;
|
|
_data->next = _table[idx];
|
|
_data->prev = nullptr;
|
|
#ifdef DEBUG_ENABLED
|
|
if (unlikely(debug_stringname)) {
|
|
// Keep in memory, force static.
|
|
_data->refcount.ref();
|
|
_data->static_count.increment();
|
|
}
|
|
#endif
|
|
if (_table[idx]) {
|
|
_table[idx]->prev = _data;
|
|
}
|
|
_table[idx] = _data;
|
|
}
|
|
|
|
StringName::StringName(const String &p_name, bool p_static) {
|
|
_data = nullptr;
|
|
|
|
ERR_FAIL_COND(!configured);
|
|
|
|
if (p_name.is_empty()) {
|
|
return;
|
|
}
|
|
|
|
MutexLock lock(mutex);
|
|
|
|
uint32_t hash = p_name.hash();
|
|
uint32_t idx = hash & STRING_TABLE_MASK;
|
|
|
|
_data = _table[idx];
|
|
|
|
while (_data) {
|
|
if (_data->hash == hash && _data->get_name() == p_name) {
|
|
break;
|
|
}
|
|
_data = _data->next;
|
|
}
|
|
|
|
if (_data) {
|
|
if (_data->refcount.ref()) {
|
|
// exists
|
|
if (p_static) {
|
|
_data->static_count.increment();
|
|
}
|
|
#ifdef DEBUG_ENABLED
|
|
if (unlikely(debug_stringname)) {
|
|
_data->debug_references++;
|
|
}
|
|
#endif
|
|
return;
|
|
}
|
|
}
|
|
|
|
_data = memnew(_Data);
|
|
_data->name = p_name;
|
|
_data->refcount.init();
|
|
_data->static_count.set(p_static ? 1 : 0);
|
|
_data->hash = hash;
|
|
_data->idx = idx;
|
|
_data->cname = nullptr;
|
|
_data->next = _table[idx];
|
|
_data->prev = nullptr;
|
|
#ifdef DEBUG_ENABLED
|
|
if (unlikely(debug_stringname)) {
|
|
// Keep in memory, force static.
|
|
_data->refcount.ref();
|
|
_data->static_count.increment();
|
|
}
|
|
#endif
|
|
|
|
if (_table[idx]) {
|
|
_table[idx]->prev = _data;
|
|
}
|
|
_table[idx] = _data;
|
|
}
|
|
|
|
StringName StringName::search(const char *p_name) {
|
|
ERR_FAIL_COND_V(!configured, StringName());
|
|
|
|
ERR_FAIL_COND_V(!p_name, StringName());
|
|
if (!p_name[0]) {
|
|
return StringName();
|
|
}
|
|
|
|
MutexLock lock(mutex);
|
|
|
|
uint32_t hash = String::hash(p_name);
|
|
uint32_t idx = hash & STRING_TABLE_MASK;
|
|
|
|
_Data *_data = _table[idx];
|
|
|
|
while (_data) {
|
|
// compare hash first
|
|
if (_data->hash == hash && _data->get_name() == p_name) {
|
|
break;
|
|
}
|
|
_data = _data->next;
|
|
}
|
|
|
|
if (_data && _data->refcount.ref()) {
|
|
#ifdef DEBUG_ENABLED
|
|
if (unlikely(debug_stringname)) {
|
|
_data->debug_references++;
|
|
}
|
|
#endif
|
|
|
|
return StringName(_data);
|
|
}
|
|
|
|
return StringName(); //does not exist
|
|
}
|
|
|
|
StringName StringName::search(const char32_t *p_name) {
|
|
ERR_FAIL_COND_V(!configured, StringName());
|
|
|
|
ERR_FAIL_COND_V(!p_name, StringName());
|
|
if (!p_name[0]) {
|
|
return StringName();
|
|
}
|
|
|
|
MutexLock lock(mutex);
|
|
|
|
uint32_t hash = String::hash(p_name);
|
|
|
|
uint32_t idx = hash & STRING_TABLE_MASK;
|
|
|
|
_Data *_data = _table[idx];
|
|
|
|
while (_data) {
|
|
// compare hash first
|
|
if (_data->hash == hash && _data->get_name() == p_name) {
|
|
break;
|
|
}
|
|
_data = _data->next;
|
|
}
|
|
|
|
if (_data && _data->refcount.ref()) {
|
|
return StringName(_data);
|
|
}
|
|
|
|
return StringName(); //does not exist
|
|
}
|
|
|
|
StringName StringName::search(const String &p_name) {
|
|
ERR_FAIL_COND_V(p_name.is_empty(), StringName());
|
|
|
|
MutexLock lock(mutex);
|
|
|
|
uint32_t hash = p_name.hash();
|
|
|
|
uint32_t idx = hash & STRING_TABLE_MASK;
|
|
|
|
_Data *_data = _table[idx];
|
|
|
|
while (_data) {
|
|
// compare hash first
|
|
if (_data->hash == hash && p_name == _data->get_name()) {
|
|
break;
|
|
}
|
|
_data = _data->next;
|
|
}
|
|
|
|
if (_data && _data->refcount.ref()) {
|
|
#ifdef DEBUG_ENABLED
|
|
if (unlikely(debug_stringname)) {
|
|
_data->debug_references++;
|
|
}
|
|
#endif
|
|
return StringName(_data);
|
|
}
|
|
|
|
return StringName(); //does not exist
|
|
}
|
|
|
|
bool operator==(const String &p_name, const StringName &p_string_name) {
|
|
return p_name == p_string_name.operator String();
|
|
}
|
|
bool operator!=(const String &p_name, const StringName &p_string_name) {
|
|
return p_name != p_string_name.operator String();
|
|
}
|
|
|
|
bool operator==(const char *p_name, const StringName &p_string_name) {
|
|
return p_name == p_string_name.operator String();
|
|
}
|
|
bool operator!=(const char *p_name, const StringName &p_string_name) {
|
|
return p_name != p_string_name.operator String();
|
|
}
|