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/*
* 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 <unistd.h>
#ifdef _WIN32
#include <io.h>
#endif
#include "os.h"
using std::string;
using std::vector;
namespace android {
namespace aidl {
ImportResolver::ImportResolver(const IoDelegate& io_delegate,
const vector<string>& import_paths)
: io_delegate_(io_delegate) {
for (string path : import_paths) {
if (path.empty()) {
path = ".";
}
if (path[path.size() - 1] != OS_PATH_SEPARATOR) {
path += OS_PATH_SEPARATOR;
}
import_paths_.push_back(std::move(path));
}
}
string ImportResolver::FindImportFile(const string& canonical_name) const {
// Convert the canonical name to a relative file path.
string relative_path = canonical_name;
for (char& c : relative_path) {
if (c == '.') {
c = OS_PATH_SEPARATOR;
}
}
relative_path += ".aidl";
// Look for that relative path at each of our import roots.
for (string path : import_paths_) {
path = path + relative_path;
if (io_delegate_.FileIsReadable(path)) {
return path;
}
}
return "";
}
} // namespace android
} // namespace aidl
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