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// 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
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