base_paths_mac.mm revision 3345a6884c488ff3a535c2c9acdd33d74b37e311 
1// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "base/base_paths_mac.h"
6
7#import <Cocoa/Cocoa.h>
8#include <mach-o/dyld.h>
9
10#include "base/compiler_specific.h"
11#include "base/file_path.h"
12#include "base/file_util.h"
13#include "base/logging.h"
14#include "base/mac_util.h"
15#include "base/path_service.h"
16#include "base/string_util.h"
17
18namespace {
19
20bool GetNSExecutablePath(FilePath* path) WARN_UNUSED_RESULT;
21
22bool GetNSExecutablePath(FilePath* path) {
23  DCHECK(path);
24  // Executable path can have relative references ("..") depending on
25  // how the app was launched.
26  uint32_t executable_length = 0;
27  _NSGetExecutablePath(NULL, &executable_length);
28  DCHECK_GE(executable_length, 1u);
29  std::string executable_path;
30  char* executable_path_c = WriteInto(&executable_path, executable_length);
31  int rv = _NSGetExecutablePath(executable_path_c, &executable_length);
32  DCHECK_EQ(rv, 0);
33  DCHECK(!executable_path.empty());
34  if ((rv != 0) || (executable_path.empty()))
35    return false;
36  *path = FilePath(executable_path);
37  return true;
38}
39
40}  // namespace
41
42namespace base {
43
44bool PathProviderMac(int key, FilePath* result) {
45  switch (key) {
46    case base::FILE_EXE:
47    case base::FILE_MODULE: {
48      return GetNSExecutablePath(result);
49    }
50    case base::DIR_USER_CACHE:
51      return mac_util::GetUserDirectory(NSCachesDirectory, result);
52    case base::DIR_APP_DATA:
53      return mac_util::GetUserDirectory(NSApplicationSupportDirectory, result);
54    case base::DIR_SOURCE_ROOT: {
55      if (GetNSExecutablePath(result)) {
56        // Start with the executable's directory.
57        *result = result->DirName();
58        if (mac_util::AmIBundled()) {
59          // The bundled app executables (Chromium, TestShell, etc) live five
60          // levels down, eg:
61          // src/xcodebuild/{Debug|Release}/Chromium.app/Contents/MacOS/Chromium
62          *result = result->DirName().DirName().DirName().DirName().DirName();
63        } else {
64          // Unit tests execute two levels deep from the source root, eg:
65          // src/xcodebuild/{Debug|Release}/base_unittests
66          *result = result->DirName().DirName();
67        }
68      }
69      return true;
70    }
71    default:
72      return false;
73  }
74}
75
76}  // namespace base
77