90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
/*
|
|
* Copyright (C) 2015, The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "import_resolver.h"
|
|
#include "aidl_language.h"
|
|
#include "logging.h"
|
|
|
|
#include <algorithm>
|
|
|
|
#include <android-base/file.h>
|
|
#include <android-base/strings.h>
|
|
#include <unistd.h>
|
|
|
|
#ifdef _WIN32
|
|
#include <io.h>
|
|
#endif
|
|
|
|
#include "os.h"
|
|
|
|
using std::set;
|
|
using std::string;
|
|
using std::vector;
|
|
|
|
namespace android {
|
|
namespace aidl {
|
|
|
|
ImportResolver::ImportResolver(const IoDelegate& io_delegate, const string& input_file_name,
|
|
const set<string>& import_paths)
|
|
: io_delegate_(io_delegate), input_file_name_(input_file_name) {
|
|
for (string path : import_paths) {
|
|
if (path.empty()) {
|
|
path = ".";
|
|
}
|
|
if (path[path.size() - 1] != OS_PATH_SEPARATOR) {
|
|
path += OS_PATH_SEPARATOR;
|
|
}
|
|
import_paths_.emplace(std::move(path));
|
|
}
|
|
}
|
|
|
|
string ImportResolver::FindImportFile(const string& canonical_name) const {
|
|
auto parts = base::Split(canonical_name, ".");
|
|
while (!parts.empty()) {
|
|
string relative_path = base::Join(parts, OS_PATH_SEPARATOR) + ".aidl";
|
|
auto candidates = ScanImportPaths(relative_path);
|
|
if (candidates.size() == 0) {
|
|
// remove the last part & keep searching
|
|
parts.pop_back();
|
|
continue;
|
|
}
|
|
if (candidates.size() == 1) {
|
|
// found!
|
|
return *candidates.begin();
|
|
}
|
|
if (candidates.size() > 1) {
|
|
AIDL_ERROR(input_file_name_) << "Duplicate files found for " << canonical_name << " from:\n"
|
|
<< base::Join(candidates, "\n");
|
|
break;
|
|
}
|
|
}
|
|
return "";
|
|
}
|
|
|
|
set<string> ImportResolver::ScanImportPaths(const string& relative_path) const {
|
|
// Look for that relative path at each of our import roots.
|
|
set<string> found;
|
|
for (const auto& path : import_paths_) {
|
|
if (io_delegate_.FileIsReadable(path + relative_path)) {
|
|
found.emplace(path + relative_path);
|
|
}
|
|
}
|
|
return found;
|
|
}
|
|
|
|
} // namespace aidl
|
|
} // namespace android
|