// Copyright (c) 2012 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Defines base::PathProviderMac which replaces base::PathProviderPosix for Mac // in base/path_service.cc. #include #import #include #include #include "base/base_paths.h" #include "base/check_op.h" #include "base/files/file_path.h" #include "base/files/file_util.h" #include "base/mac/bundle_locations.h" #include "base/mac/foundation_util.h" #include "base/notreached.h" #include "base/path_service.h" #include "base/strings/string_util.h" #include "base/threading/thread_restrictions.h" #include "build/build_config.h" namespace { void GetNSExecutablePath(base::FilePath* path) { DCHECK(path); // Executable path can have relative references ("..") depending on // how the app was launched. uint32_t executable_length = 0; _NSGetExecutablePath(NULL, &executable_length); DCHECK_GT(executable_length, 1u); std::string executable_path; int rv = _NSGetExecutablePath( base::WriteInto(&executable_path, executable_length), &executable_length); DCHECK_EQ(rv, 0); // _NSGetExecutablePath may return paths containing ./ or ../ which makes // FilePath::DirName() work incorrectly, convert it to absolute path so that // paths such as DIR_SRC_TEST_DATA_ROOT can work, since we expect absolute // paths to be returned here. // TODO(bauerb): http://crbug.com/259796, http://crbug.com/373477 base::ThreadRestrictions::ScopedAllowIO allow_io; *path = base::MakeAbsoluteFilePath(base::FilePath(executable_path)); } // Returns true if the module for |address| is found. |path| will contain // the path to the module. Note that |path| may not be absolute. [[nodiscard]] bool GetModulePathForAddress(base::FilePath* path, const void* address); bool GetModulePathForAddress(base::FilePath* path, const void* address) { Dl_info info; if (dladdr(address, &info) == 0) return false; *path = base::FilePath(info.dli_fname); return true; } } // namespace namespace base { bool PathProviderMac(int key, base::FilePath* result) { switch (key) { case base::FILE_EXE: GetNSExecutablePath(result); return true; case base::FILE_MODULE: return GetModulePathForAddress(result, reinterpret_cast(&base::PathProviderMac)); case base::DIR_APP_DATA: { bool success = base::mac::GetUserDirectory(NSApplicationSupportDirectory, result); #if BUILDFLAG(IS_IOS) // On IOS, this directory does not exist unless it is created explicitly. if (success && !base::PathExists(*result)) success = base::CreateDirectory(*result); #endif // BUILDFLAG(IS_IOS) return success; } case base::DIR_SRC_TEST_DATA_ROOT: #if BUILDFLAG(IS_IOS) // On iOS, there is no access to source root, however, the necessary // resources are packaged into the test as assets. return PathService::Get(base::DIR_ASSETS, result); #else // Go through PathService to catch overrides. if (!PathService::Get(base::FILE_EXE, result)) return false; // Start with the executable's directory. *result = result->DirName(); if (base::mac::AmIBundled()) { // The bundled app executables (Chromium, TestShell, etc) live five // levels down, eg: // src/xcodebuild/{Debug|Release}/Chromium.app/Contents/MacOS/Chromium *result = result->DirName().DirName().DirName().DirName().DirName(); } else { // Unit tests execute two levels deep from the source root, eg: // src/xcodebuild/{Debug|Release}/base_unittests *result = result->DirName().DirName(); } return true; #endif // BUILDFLAG(IS_IOS) case base::DIR_USER_DESKTOP: #if BUILDFLAG(IS_IOS) // iOS does not have desktop directories. NOTIMPLEMENTED(); return false; #else return base::mac::GetUserDirectory(NSDesktopDirectory, result); #endif case base::DIR_ASSETS: #if BUILDFLAG(IS_IOS) && !BUILDFLAG(IS_IOS_MACCATALYST) // On iOS, the assets are located next to the module binary. return PathService::Get(base::DIR_MODULE, result); #else if (!base::mac::AmIBundled()) { return PathService::Get(base::DIR_MODULE, result); } #if BUILDFLAG(IS_IOS_MACCATALYST) *result = base::mac::MainBundlePath() .Append(FILE_PATH_LITERAL("Contents")) .Append(FILE_PATH_LITERAL("Resources")); #else *result = base::mac::FrameworkBundlePath().Append( FILE_PATH_LITERAL("Resources")); #endif // BUILDFLAG(IS_IOS_MACCATALYST) return true; #endif // BUILDFLAG(IS_IOS) && !BUILDFLAG(IS_IOS_MACCATALYST) case base::DIR_CACHE: return base::mac::GetUserDirectory(NSCachesDirectory, result); default: return false; } } } // namespace base