| // Copyright 2006-2008 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/base_paths.h" |
| |
| #include "base/environment.h" |
| #include "base/files/file_path.h" |
| #include "base/files/file_util.h" |
| #include "base/logging.h" |
| #include "base/path_service.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "build/build_config.h" |
| |
| namespace base { |
| |
| // This provider aims at overriding the initial behaviour for all platforms. It |
| // is meant to be run **before** the platform specific provider so that this one |
| // prevails in case the overriding conditions are met. This provider is also |
| // meant to fallback on the platform specific provider, which means it should |
| // not handle the `BasePathKey` for which we do not have overriding behaviours. |
| bool EnvOverridePathProvider(int key, FilePath* result) { |
| switch (key) { |
| case base::DIR_SRC_TEST_DATA_ROOT: { |
| // Allow passing this in the environment, for more flexibility in build |
| // tree configurations (sub-project builds, gyp --output_dir, etc.) |
| std::unique_ptr<Environment> env(Environment::Create()); |
| std::string cr_source_root; |
| FilePath path; |
| if (env->GetVar("CR_SOURCE_ROOT", &cr_source_root)) { |
| #if BUILDFLAG(IS_WIN) |
| path = FilePath(UTF8ToWide(cr_source_root)); |
| #else |
| path = FilePath(cr_source_root); |
| #endif |
| if (!path.IsAbsolute()) { |
| FilePath root; |
| if (PathService::Get(DIR_EXE, &root)) { |
| path = root.Append(path); |
| } |
| } |
| if (DirectoryExists(path)) { |
| *result = path; |
| return true; |
| } |
| DLOG(WARNING) << "CR_SOURCE_ROOT is set, but it appears to not " |
| << "point to a directory."; |
| } |
| return false; |
| } |
| default: |
| break; |
| } |
| return false; |
| } |
| |
| bool PathProvider(int key, FilePath* result) { |
| // NOTE: DIR_CURRENT is a special case in PathService::Get |
| |
| switch (key) { |
| case DIR_EXE: |
| if (!PathService::Get(FILE_EXE, result)) |
| return false; |
| *result = result->DirName(); |
| return true; |
| #if !BUILDFLAG(IS_FUCHSIA) && !BUILDFLAG(IS_IOS) |
| case DIR_MODULE: |
| if (!PathService::Get(FILE_MODULE, result)) |
| return false; |
| *result = result->DirName(); |
| return true; |
| case DIR_ASSETS: |
| return PathService::Get(DIR_MODULE, result); |
| #endif // !BUILDFLAG(IS_FUCHSIA) && !BUILDFLAG(IS_IOS) |
| case DIR_TEMP: |
| return GetTempDir(result); |
| case DIR_HOME: |
| *result = GetHomeDir(); |
| return true; |
| case base::DIR_SRC_TEST_DATA_ROOT: |
| // This is only used by tests and overridden by each platform. |
| NOTREACHED(); |
| return false; |
| #if !BUILDFLAG(IS_FUCHSIA) && !BUILDFLAG(IS_IOS) |
| case DIR_OUT_TEST_DATA_ROOT: |
| // On most platforms test binaries are run directly from the build-output |
| // directory, so return the directory containing the executable. |
| return PathService::Get(DIR_MODULE, result); |
| #endif // !BUILDFLAG(IS_FUCHSIA) && !BUILDFLAG(IS_IOS) |
| case DIR_GEN_TEST_DATA_ROOT: |
| if (!PathService::Get(DIR_OUT_TEST_DATA_ROOT, result)) { |
| return false; |
| } |
| *result = result->Append(FILE_PATH_LITERAL("gen")); |
| return true; |
| case DIR_TEST_DATA: { |
| FilePath test_data_path; |
| if (!PathService::Get(DIR_SRC_TEST_DATA_ROOT, &test_data_path)) { |
| return false; |
| } |
| test_data_path = test_data_path.Append(FILE_PATH_LITERAL("base")); |
| test_data_path = test_data_path.Append(FILE_PATH_LITERAL("test")); |
| test_data_path = test_data_path.Append(FILE_PATH_LITERAL("data")); |
| if (!PathExists(test_data_path)) // We don't want to create this. |
| return false; |
| *result = test_data_path; |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| } // namespace base |