115 lines
4.0 KiB
C++
115 lines
4.0 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) 2007-2019 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2019 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/os/dir_access.h"
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#include "core/os/file_access.h"
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#include "core/os/os.h"
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#include "core/project_settings.h"
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#ifdef WINDOWS_ENABLED
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#define ENV_PATH_SEP ";"
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#else
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#define ENV_PATH_SEP ":"
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#include <limits.h>
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#endif
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#include <stdlib.h>
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String path_which(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.empty())
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return String();
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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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#else
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if (FileAccess::exists(p))
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return p;
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#endif
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}
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return String();
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}
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void fix_path(const String &p_path, String &r_out) {
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r_out = p_path.replace("\\", "/");
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while (true) { // in case of using 2 or more slash
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String compare = r_out.replace("//", "/");
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if (r_out == compare)
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break;
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else
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r_out = compare;
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}
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}
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bool rel_path_to_abs(const String &p_existing_path, String &r_abs_path) {
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#ifdef WINDOWS_ENABLED
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CharType ret[_MAX_PATH];
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if (::_wfullpath(ret, p_existing_path.c_str(), _MAX_PATH)) {
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String abspath = String(ret).replace("\\", "/");
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int pos = abspath.find(":/");
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if (pos != -1) {
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r_abs_path = abspath.substr(pos - 1, abspath.length());
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} else {
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r_abs_path = abspath;
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}
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return true;
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}
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#else
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char *resolved_path = ::realpath(p_existing_path.utf8().get_data(), NULL);
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if (resolved_path) {
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String retstr;
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bool success = !retstr.parse_utf8(resolved_path);
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::free(resolved_path);
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if (success) {
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r_abs_path = retstr;
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return true;
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}
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}
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#endif
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return false;
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}
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