451 lines
10 KiB
C++
451 lines
10 KiB
C++
/*************************************************************************/
|
|
/* node_path.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2019 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 "node_path.h"
|
|
|
|
#include "core/print_string.h"
|
|
|
|
void NodePath::_update_hash_cache() const {
|
|
|
|
uint32_t h = data->absolute ? 1 : 0;
|
|
int pc = data->path.size();
|
|
const StringName *sn = data->path.ptr();
|
|
for (int i = 0; i < pc; i++) {
|
|
h = h ^ sn[i].hash();
|
|
}
|
|
int spc = data->subpath.size();
|
|
const StringName *ssn = data->subpath.ptr();
|
|
for (int i = 0; i < spc; i++) {
|
|
h = h ^ ssn[i].hash();
|
|
}
|
|
|
|
data->hash_cache_valid = true;
|
|
data->hash_cache = h;
|
|
}
|
|
|
|
void NodePath::prepend_period() {
|
|
|
|
if (data->path.size() && data->path[0].operator String() != ".") {
|
|
data->path.insert(0, ".");
|
|
data->hash_cache_valid = false;
|
|
}
|
|
}
|
|
|
|
bool NodePath::is_absolute() const {
|
|
|
|
if (!data)
|
|
return false;
|
|
|
|
return data->absolute;
|
|
}
|
|
int NodePath::get_name_count() const {
|
|
|
|
if (!data)
|
|
return 0;
|
|
|
|
return data->path.size();
|
|
}
|
|
StringName NodePath::get_name(int p_idx) const {
|
|
|
|
ERR_FAIL_COND_V(!data, StringName());
|
|
ERR_FAIL_INDEX_V(p_idx, data->path.size(), StringName());
|
|
return data->path[p_idx];
|
|
}
|
|
|
|
int NodePath::get_subname_count() const {
|
|
|
|
if (!data)
|
|
return 0;
|
|
|
|
return data->subpath.size();
|
|
}
|
|
StringName NodePath::get_subname(int p_idx) const {
|
|
|
|
ERR_FAIL_COND_V(!data, StringName());
|
|
ERR_FAIL_INDEX_V(p_idx, data->subpath.size(), StringName());
|
|
return data->subpath[p_idx];
|
|
}
|
|
|
|
void NodePath::unref() {
|
|
|
|
if (data && data->refcount.unref()) {
|
|
|
|
memdelete(data);
|
|
}
|
|
data = NULL;
|
|
}
|
|
|
|
bool NodePath::operator==(const NodePath &p_path) const {
|
|
|
|
if (data == p_path.data)
|
|
return true;
|
|
|
|
if (!data || !p_path.data)
|
|
return false;
|
|
|
|
if (data->absolute != p_path.data->absolute)
|
|
return false;
|
|
|
|
int path_size = data->path.size();
|
|
|
|
if (path_size != p_path.data->path.size()) {
|
|
return false;
|
|
}
|
|
|
|
int subpath_size = data->subpath.size();
|
|
|
|
if (subpath_size != p_path.data->subpath.size()) {
|
|
return false;
|
|
}
|
|
|
|
const StringName *l_path_ptr = data->path.ptr();
|
|
const StringName *r_path_ptr = p_path.data->path.ptr();
|
|
|
|
for (int i = 0; i < path_size; i++) {
|
|
|
|
if (l_path_ptr[i] != r_path_ptr[i])
|
|
return false;
|
|
}
|
|
|
|
const StringName *l_subpath_ptr = data->subpath.ptr();
|
|
const StringName *r_subpath_ptr = p_path.data->subpath.ptr();
|
|
|
|
for (int i = 0; i < subpath_size; i++) {
|
|
|
|
if (l_subpath_ptr[i] != r_subpath_ptr[i])
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
bool NodePath::operator!=(const NodePath &p_path) const {
|
|
|
|
return (!(*this == p_path));
|
|
}
|
|
|
|
void NodePath::operator=(const NodePath &p_path) {
|
|
|
|
if (this == &p_path)
|
|
return;
|
|
|
|
unref();
|
|
|
|
if (p_path.data && p_path.data->refcount.ref()) {
|
|
|
|
data = p_path.data;
|
|
}
|
|
}
|
|
|
|
NodePath::operator String() const {
|
|
|
|
if (!data)
|
|
return String();
|
|
|
|
String ret;
|
|
if (data->absolute)
|
|
ret = "/";
|
|
|
|
for (int i = 0; i < data->path.size(); i++) {
|
|
|
|
if (i > 0)
|
|
ret += "/";
|
|
ret += data->path[i].operator String();
|
|
}
|
|
|
|
for (int i = 0; i < data->subpath.size(); i++) {
|
|
|
|
ret += ":" + data->subpath[i].operator String();
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
NodePath::NodePath(const NodePath &p_path) {
|
|
|
|
data = NULL;
|
|
|
|
if (p_path.data && p_path.data->refcount.ref()) {
|
|
|
|
data = p_path.data;
|
|
}
|
|
}
|
|
|
|
Vector<StringName> NodePath::get_names() const {
|
|
|
|
if (data)
|
|
return data->path;
|
|
return Vector<StringName>();
|
|
}
|
|
|
|
Vector<StringName> NodePath::get_subnames() const {
|
|
|
|
if (data)
|
|
return data->subpath;
|
|
return Vector<StringName>();
|
|
}
|
|
|
|
StringName NodePath::get_concatenated_subnames() const {
|
|
ERR_FAIL_COND_V(!data, StringName());
|
|
|
|
if (!data->concatenated_subpath) {
|
|
int spc = data->subpath.size();
|
|
String concatenated;
|
|
const StringName *ssn = data->subpath.ptr();
|
|
for (int i = 0; i < spc; i++) {
|
|
concatenated += i == 0 ? ssn[i].operator String() : ":" + ssn[i];
|
|
}
|
|
data->concatenated_subpath = concatenated;
|
|
}
|
|
return data->concatenated_subpath;
|
|
}
|
|
|
|
NodePath NodePath::rel_path_to(const NodePath &p_np) const {
|
|
|
|
ERR_FAIL_COND_V(!is_absolute(), NodePath());
|
|
ERR_FAIL_COND_V(!p_np.is_absolute(), NodePath());
|
|
|
|
Vector<StringName> src_dirs = get_names();
|
|
Vector<StringName> dst_dirs = p_np.get_names();
|
|
|
|
//find common parent
|
|
int common_parent = 0;
|
|
|
|
while (true) {
|
|
if (src_dirs.size() == common_parent)
|
|
break;
|
|
if (dst_dirs.size() == common_parent)
|
|
break;
|
|
if (src_dirs[common_parent] != dst_dirs[common_parent])
|
|
break;
|
|
common_parent++;
|
|
}
|
|
|
|
common_parent--;
|
|
|
|
Vector<StringName> relpath;
|
|
|
|
for (int i = src_dirs.size() - 1; i > common_parent; i--) {
|
|
|
|
relpath.push_back("..");
|
|
}
|
|
|
|
for (int i = common_parent + 1; i < dst_dirs.size(); i++) {
|
|
|
|
relpath.push_back(dst_dirs[i]);
|
|
}
|
|
|
|
if (relpath.size() == 0)
|
|
relpath.push_back(".");
|
|
|
|
return NodePath(relpath, p_np.get_subnames(), false);
|
|
}
|
|
|
|
NodePath NodePath::get_as_property_path() const {
|
|
|
|
if (!data || !data->path.size()) {
|
|
return *this;
|
|
} else {
|
|
Vector<StringName> new_path = data->subpath;
|
|
|
|
String initial_subname = data->path[0];
|
|
|
|
for (int i = 1; i < data->path.size(); i++) {
|
|
initial_subname += "/" + data->path[i];
|
|
}
|
|
new_path.insert(0, initial_subname);
|
|
|
|
return NodePath(Vector<StringName>(), new_path, false);
|
|
}
|
|
}
|
|
|
|
NodePath::NodePath(const Vector<StringName> &p_path, bool p_absolute) {
|
|
|
|
data = NULL;
|
|
|
|
if (p_path.size() == 0)
|
|
return;
|
|
|
|
data = memnew(Data);
|
|
data->refcount.init();
|
|
data->absolute = p_absolute;
|
|
data->path = p_path;
|
|
data->has_slashes = true;
|
|
data->hash_cache_valid = false;
|
|
}
|
|
|
|
NodePath::NodePath(const Vector<StringName> &p_path, const Vector<StringName> &p_subpath, bool p_absolute) {
|
|
|
|
data = NULL;
|
|
|
|
if (p_path.size() == 0 && p_subpath.size() == 0)
|
|
return;
|
|
|
|
data = memnew(Data);
|
|
data->refcount.init();
|
|
data->absolute = p_absolute;
|
|
data->path = p_path;
|
|
data->subpath = p_subpath;
|
|
data->has_slashes = true;
|
|
data->hash_cache_valid = false;
|
|
}
|
|
|
|
void NodePath::simplify() {
|
|
|
|
if (!data)
|
|
return;
|
|
for (int i = 0; i < data->path.size(); i++) {
|
|
if (data->path.size() == 1)
|
|
break;
|
|
if (data->path[i].operator String() == ".") {
|
|
data->path.remove(i);
|
|
i--;
|
|
} else if (data->path[i].operator String() == ".." && i > 0 && data->path[i - 1].operator String() != "." && data->path[i - 1].operator String() != "..") {
|
|
//remove both
|
|
data->path.remove(i - 1);
|
|
data->path.remove(i - 1);
|
|
i -= 2;
|
|
if (data->path.size() == 0) {
|
|
data->path.push_back(".");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
data->hash_cache_valid = false;
|
|
}
|
|
|
|
NodePath NodePath::simplified() const {
|
|
|
|
NodePath np = *this;
|
|
np.simplify();
|
|
return np;
|
|
}
|
|
|
|
NodePath::NodePath(const String &p_path) {
|
|
|
|
data = NULL;
|
|
|
|
if (p_path.length() == 0)
|
|
return;
|
|
|
|
String path = p_path;
|
|
Vector<StringName> subpath;
|
|
|
|
bool absolute = (path[0] == '/');
|
|
bool last_is_slash = true;
|
|
bool has_slashes = false;
|
|
int slices = 0;
|
|
int subpath_pos = path.find(":");
|
|
|
|
if (subpath_pos != -1) {
|
|
|
|
int from = subpath_pos + 1;
|
|
|
|
for (int i = from; i <= path.length(); i++) {
|
|
|
|
if (path[i] == ':' || path[i] == 0) {
|
|
|
|
String str = path.substr(from, i - from);
|
|
if (str == "") {
|
|
if (path[i] == 0) continue; // Allow end-of-path :
|
|
|
|
ERR_FAIL_MSG("Invalid NodePath '" + p_path + "'.");
|
|
}
|
|
subpath.push_back(str);
|
|
|
|
from = i + 1;
|
|
}
|
|
}
|
|
|
|
path = path.substr(0, subpath_pos);
|
|
}
|
|
|
|
for (int i = (int)absolute; i < path.length(); i++) {
|
|
|
|
if (path[i] == '/') {
|
|
|
|
last_is_slash = true;
|
|
has_slashes = true;
|
|
} else {
|
|
|
|
if (last_is_slash)
|
|
slices++;
|
|
|
|
last_is_slash = false;
|
|
}
|
|
}
|
|
|
|
if (slices == 0 && !absolute && !subpath.size())
|
|
return;
|
|
|
|
data = memnew(Data);
|
|
data->refcount.init();
|
|
data->absolute = absolute;
|
|
data->has_slashes = has_slashes;
|
|
data->subpath = subpath;
|
|
data->hash_cache_valid = false;
|
|
|
|
if (slices == 0)
|
|
return;
|
|
data->path.resize(slices);
|
|
last_is_slash = true;
|
|
int from = (int)absolute;
|
|
int slice = 0;
|
|
|
|
for (int i = (int)absolute; i < path.length() + 1; i++) {
|
|
|
|
if (path[i] == '/' || path[i] == 0) {
|
|
|
|
if (!last_is_slash) {
|
|
|
|
String name = path.substr(from, i - from);
|
|
ERR_FAIL_INDEX(slice, data->path.size());
|
|
data->path.write[slice++] = name;
|
|
}
|
|
from = i + 1;
|
|
last_is_slash = true;
|
|
} else {
|
|
last_is_slash = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool NodePath::is_empty() const {
|
|
|
|
return !data;
|
|
}
|
|
NodePath::NodePath() {
|
|
|
|
data = NULL;
|
|
}
|
|
|
|
NodePath::~NodePath() {
|
|
|
|
unref();
|
|
}
|