118 lines
3.9 KiB
Plaintext
118 lines
3.9 KiB
Plaintext
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Defines base::PathProviderMac which replaces base::PathProviderPosix for Mac
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// in base/path_service.cc.
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#include <dlfcn.h>
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#import <Foundation/Foundation.h>
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#include <mach-o/dyld.h>
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#include "base/base_paths.h"
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#include "base/compiler_specific.h"
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#include "base/file_util.h"
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#include "base/files/file_path.h"
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#include "base/logging.h"
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#include "base/mac/foundation_util.h"
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#include "base/path_service.h"
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#include "base/strings/string_util.h"
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#include "build/build_config.h"
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namespace {
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void GetNSExecutablePath(base::FilePath* path) {
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DCHECK(path);
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// Executable path can have relative references ("..") depending on
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// how the app was launched.
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uint32_t executable_length = 0;
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_NSGetExecutablePath(NULL, &executable_length);
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DCHECK_GT(executable_length, 1u);
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std::string executable_path;
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int rv = _NSGetExecutablePath(WriteInto(&executable_path, executable_length),
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&executable_length);
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DCHECK_EQ(rv, 0);
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// _NSGetExecutablePath may return paths containing ./ or ../ which makes
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// FilePath::DirName() work incorrectly, convert it to absolute path so that
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// paths such as DIR_SOURCE_ROOT can work, since we expect absolute paths to
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// be returned here.
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*path = base::MakeAbsoluteFilePath(base::FilePath(executable_path));
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}
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// Returns true if the module for |address| is found. |path| will contain
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// the path to the module. Note that |path| may not be absolute.
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bool GetModulePathForAddress(base::FilePath* path,
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const void* address) WARN_UNUSED_RESULT;
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bool GetModulePathForAddress(base::FilePath* path, const void* address) {
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Dl_info info;
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if (dladdr(address, &info) == 0)
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return false;
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*path = base::FilePath(info.dli_fname);
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return true;
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}
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} // namespace
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namespace base {
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bool PathProviderMac(int key, base::FilePath* result) {
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switch (key) {
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case base::FILE_EXE:
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GetNSExecutablePath(result);
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return true;
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case base::FILE_MODULE:
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return GetModulePathForAddress(result,
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reinterpret_cast<const void*>(&base::PathProviderMac));
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case base::DIR_APP_DATA: {
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bool success = base::mac::GetUserDirectory(NSApplicationSupportDirectory,
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result);
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#if defined(OS_IOS)
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// On IOS, this directory does not exist unless it is created explicitly.
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if (success && !base::PathExists(*result))
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success = file_util::CreateDirectory(*result);
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#endif // defined(OS_IOS)
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return success;
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}
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case base::DIR_SOURCE_ROOT:
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// Go through PathService to catch overrides.
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if (!PathService::Get(base::FILE_EXE, result))
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return false;
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// Start with the executable's directory.
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*result = result->DirName();
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#if !defined(OS_IOS)
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if (base::mac::AmIBundled()) {
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// The bundled app executables (Chromium, TestShell, etc) live five
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// levels down, eg:
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// src/xcodebuild/{Debug|Release}/Chromium.app/Contents/MacOS/Chromium
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*result = result->DirName().DirName().DirName().DirName().DirName();
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} else {
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// Unit tests execute two levels deep from the source root, eg:
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// src/xcodebuild/{Debug|Release}/base_unittests
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*result = result->DirName().DirName();
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}
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#endif
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return true;
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case base::DIR_USER_DESKTOP:
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#if defined(OS_IOS)
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// iOS does not have desktop directories.
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NOTIMPLEMENTED();
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return false;
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#else
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return base::mac::GetUserDirectory(NSDesktopDirectory, result);
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#endif
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case base::DIR_CACHE:
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return base::mac::GetUserDirectory(NSCachesDirectory, result);
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case base::DIR_HOME:
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*result = base::mac::NSStringToFilePath(NSHomeDirectory());
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return true;
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default:
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return false;
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}
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}
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} // namespace base
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