mirror of https://github.com/axmolengine/axmol.git
148 lines
4.4 KiB
C++
148 lines
4.4 KiB
C++
/****************************************************************************
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Copyright (c) 2011 Laschweinski
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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Copyright (c) 2019-present Axmol Engine contributors (see AUTHORS.md).
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https://axmolengine.github.io/
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "platform/linux/FileUtils-linux.h"
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#include "platform/linux/Application-linux.h"
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#include "platform/Common.h"
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#include "base/Macros.h"
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#include "base/UTF8.h"
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#include <unistd.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <errno.h>
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using namespace std;
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#define DECLARE_GUARD (void)0 // std::lock_guard<std::recursive_mutex> mutexGuard(_mutex)
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NS_AX_BEGIN
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static std::string _checkPath(const char* path) {
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std::string ret;
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ret.resize(PATH_MAX - 1);
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int n = readlink(path, &ret.front(), PATH_MAX);
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if (n > 0) {
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ret.resize(n);
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return ret;
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}
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return std::string{};
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}
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std::string FileUtilsLinux::s_exeName;
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FileUtils* FileUtils::getInstance()
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{
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if (s_sharedFileUtils == nullptr)
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{
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s_sharedFileUtils = new FileUtilsLinux();
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if (!s_sharedFileUtils->init())
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{
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delete s_sharedFileUtils;
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s_sharedFileUtils = nullptr;
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AXLOG("ERROR: Could not init CCFileUtilsLinux");
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}
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}
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return s_sharedFileUtils;
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}
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FileUtilsLinux::FileUtilsLinux() {}
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bool FileUtilsLinux::init()
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{
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DECLARE_GUARD;
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// application path
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if (s_exeDir.empty()) {
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s_exeDir = _checkPath("/proc/self/exe");
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auto slash = s_exeDir.find_last_of('/');
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assert(slash != std::string::npos);
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s_exeName = s_exeDir.substr(slash + 1);
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s_exeDir.resize(slash + 1);
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}
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std::string workingDir = _checkPath("/proc/self/cwd");
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workingDir += '/';
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bool startedFromSelfLocation = workingDir == s_exeDir;
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if (!startedFromSelfLocation || !isDirectoryExistInternal(AX_CONTENT_DIR))
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_defaultResRootPath = workingDir;
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else
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{
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_defaultResRootPath.reserve(s_exeDir.size() + AX_CONTENT_DIR_LEN);
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_defaultResRootPath.append(s_exeDir).append(AX_CONTENT_DIR, AX_CONTENT_DIR_LEN);
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}
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// Set writable path to $XDG_CONFIG_HOME or ~/.config/<app name>/ if $XDG_CONFIG_HOME not exists.
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const char* xdg_config_path = getenv("XDG_CONFIG_HOME");
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std::string xdgConfigPath;
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if (xdg_config_path == NULL)
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{
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xdgConfigPath = getenv("HOME");
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xdgConfigPath += "/.config";
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}
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else
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{
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xdgConfigPath = xdg_config_path;
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}
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_writablePath = xdgConfigPath;
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_writablePath += "/";
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_writablePath += s_exeName;
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_writablePath += "/";
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bool ret = FileUtils::init();
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// make sure any path relative to exe dir can be found when app working directory location not exe path
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if (!startedFromSelfLocation)
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addSearchPath(s_exeDir);
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return ret;
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}
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string FileUtilsLinux::getWritablePath() const
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{
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DECLARE_GUARD;
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return getNativeWritableAbsolutePath();
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}
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std::string FileUtilsLinux::getNativeWritableAbsolutePath() const
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{
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struct stat st;
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stat(_writablePath.c_str(), &st);
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if (!S_ISDIR(st.st_mode))
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{
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mkdir(_writablePath.c_str(), 0744);
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}
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return _writablePath;
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}
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bool FileUtilsLinux::isFileExistInternal(std::string_view path) const
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{
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struct stat sts;
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return (stat(path.data(), &sts) == 0) && S_ISREG(sts.st_mode);
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}
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NS_AX_END
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