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88e367a406
This base implementation is still very barebones but it defines the path for how exporting will work (at least when embedding the .NET runtime). Many manual steps are still needed, which should be automatized in the future. For example, in addition to the API assemblies, now you also need to copy the GodotPlugins assembly to each game project.
235 lines
6.8 KiB
C++
235 lines
6.8 KiB
C++
/*************************************************************************/
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/* path_utils.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "path_utils.h"
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#include "core/config/project_settings.h"
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#include "core/io/dir_access.h"
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#include "core/io/file_access.h"
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#include "core/os/os.h"
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#ifdef WINDOWS_ENABLED
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#define ENV_PATH_SEP ";"
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#else
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#include <limits.h>
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#include <unistd.h>
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#define ENV_PATH_SEP ":"
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#endif
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#include <stdlib.h>
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namespace path {
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String find_executable(const String &p_name) {
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#ifdef WINDOWS_ENABLED
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Vector<String> exts = OS::get_singleton()->get_environment("PATHEXT").split(ENV_PATH_SEP, false);
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#endif
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Vector<String> env_path = OS::get_singleton()->get_environment("PATH").split(ENV_PATH_SEP, false);
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if (env_path.is_empty()) {
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return String();
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}
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for (int i = 0; i < env_path.size(); i++) {
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String p = path::join(env_path[i], p_name);
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#ifdef WINDOWS_ENABLED
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for (int j = 0; j < exts.size(); j++) {
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String p2 = p + exts[j].to_lower(); // lowercase to reduce risk of case mismatch warning
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if (FileAccess::exists(p2)) {
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return p2;
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}
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}
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#else
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if (FileAccess::exists(p)) {
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return p;
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}
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#endif
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}
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return String();
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}
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String cwd() {
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#ifdef WINDOWS_ENABLED
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const DWORD expected_size = ::GetCurrentDirectoryW(0, nullptr);
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Char16String buffer;
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buffer.resize((int)expected_size);
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if (::GetCurrentDirectoryW(expected_size, (wchar_t *)buffer.ptrw()) == 0) {
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return ".";
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}
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String result;
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result.parse_utf16(buffer.ptr());
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if (result.is_empty()) {
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return ".";
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}
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return result.simplify_path();
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#else
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char buffer[PATH_MAX];
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if (::getcwd(buffer, sizeof(buffer)) == nullptr) {
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return ".";
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}
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String result;
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if (result.parse_utf8(buffer) != OK) {
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return ".";
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}
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return result.simplify_path();
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#endif
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}
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String abspath(const String &p_path) {
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if (p_path.is_absolute_path()) {
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return p_path.simplify_path();
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} else {
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return path::join(path::cwd(), p_path).simplify_path();
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}
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}
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String realpath(const String &p_path) {
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#ifdef WINDOWS_ENABLED
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// Open file without read/write access
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HANDLE hFile = ::CreateFileW((LPCWSTR)(p_path.utf16().get_data()), 0,
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FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
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nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
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if (hFile == INVALID_HANDLE_VALUE) {
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return p_path;
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}
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const DWORD expected_size = ::GetFinalPathNameByHandleW(hFile, nullptr, 0, FILE_NAME_NORMALIZED);
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if (expected_size == 0) {
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::CloseHandle(hFile);
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return p_path;
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}
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Char16String buffer;
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buffer.resize((int)expected_size);
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::GetFinalPathNameByHandleW(hFile, (wchar_t *)buffer.ptrw(), expected_size, FILE_NAME_NORMALIZED);
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::CloseHandle(hFile);
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String result;
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result.parse_utf16(buffer.ptr());
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if (result.is_empty()) {
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return p_path;
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}
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return result.simplify_path();
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#elif UNIX_ENABLED
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char *resolved_path = ::realpath(p_path.utf8().get_data(), nullptr);
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if (!resolved_path) {
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return p_path;
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}
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String result;
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Error parse_ok = result.parse_utf8(resolved_path);
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::free(resolved_path);
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if (parse_ok != OK) {
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return p_path;
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}
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return result.simplify_path();
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#endif
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}
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String join(const String &p_a, const String &p_b) {
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if (p_a.is_empty()) {
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return p_b;
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}
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const char32_t a_last = p_a[p_a.length() - 1];
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if ((a_last == '/' || a_last == '\\') ||
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(p_b.size() > 0 && (p_b[0] == '/' || p_b[0] == '\\'))) {
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return p_a + p_b;
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}
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return p_a + "/" + p_b;
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}
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String join(const String &p_a, const String &p_b, const String &p_c) {
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return path::join(path::join(p_a, p_b), p_c);
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}
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String join(const String &p_a, const String &p_b, const String &p_c, const String &p_d) {
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return path::join(path::join(path::join(p_a, p_b), p_c), p_d);
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}
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String relative_to_impl(const String &p_path, const String &p_relative_to) {
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// This function assumes arguments are normalized and absolute paths
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if (p_path.begins_with(p_relative_to)) {
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return p_path.substr(p_relative_to.length() + 1);
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} else {
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String base_dir = p_relative_to.get_base_dir();
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if (base_dir.length() <= 2 && (base_dir.is_empty() || base_dir.ends_with(":"))) {
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return p_path;
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}
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return String("..").plus_file(relative_to_impl(p_path, base_dir));
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}
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}
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#ifdef WINDOWS_ENABLED
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String get_drive_letter(const String &p_norm_path) {
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int idx = p_norm_path.find(":/");
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if (idx != -1 && idx < p_norm_path.find("/")) {
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return p_norm_path.substr(0, idx + 1);
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}
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return String();
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}
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#endif
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String relative_to(const String &p_path, const String &p_relative_to) {
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String relative_to_abs_norm = abspath(p_relative_to);
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String path_abs_norm = abspath(p_path);
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#ifdef WINDOWS_ENABLED
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if (get_drive_letter(relative_to_abs_norm) != get_drive_letter(path_abs_norm)) {
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return path_abs_norm;
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}
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#endif
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return relative_to_impl(path_abs_norm, relative_to_abs_norm);
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}
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} // namespace path
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