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      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/file_path.h"
     11 #include "base/file_util.h"
     12 #include "base/logging.h"
     13 #include "base/mac_util.h"
     14 #include "base/path_service.h"
     15 #include "base/string_util.h"
     16 
     17 namespace base {
     18 
     19 bool PathProviderMac(int key, FilePath* result) {
     20   std::string cur;
     21   switch (key) {
     22     case base::FILE_EXE:
     23     case base::FILE_MODULE: {
     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_GT(executable_length, 1u);
     29       char* executable = WriteInto(&cur, executable_length);
     30       int rv = _NSGetExecutablePath(executable, &executable_length);
     31       DCHECK_EQ(rv, 0);
     32       DCHECK(!cur.empty());
     33       break;
     34     }
     35     case base::DIR_USER_CACHE:
     36       return mac_util::GetUserDirectory(NSCachesDirectory, result);
     37     case base::DIR_APP_DATA:
     38       return mac_util::GetUserDirectory(NSApplicationSupportDirectory, result);
     39     case base::DIR_SOURCE_ROOT: {
     40       PathService::Get(base::DIR_EXE, result);
     41       if (mac_util::AmIBundled()) {
     42         // The bundled app executables (Chromium, TestShell, etc) live five
     43         // levels down, eg:
     44         // src/xcodebuild/{Debug|Release}/Chromium.app/Contents/MacOS/Chromium.
     45         *result = result->DirName().DirName().DirName().DirName().DirName();
     46       } else {
     47         // Unit tests execute two levels deep from the source root, eg:
     48         // src/xcodebuild/{Debug|Release}/base_unittests
     49         *result = result->DirName().DirName();
     50       }
     51       return true;
     52     }
     53     default:
     54       return false;
     55   }
     56 
     57   *result = FilePath(cur);
     58   return true;
     59 }
     60 
     61 }  // namespace base
     62