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https://github.com/MaskRay/ccls.git
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72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
/* Copyright 2017-2018 ccls Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include "filesystem.hh"
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using namespace llvm;
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#include "utils.hh"
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#include <set>
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#include <vector>
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void GetFilesInFolder(std::string folder, bool recursive, bool dir_prefix,
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const std::function<void(const std::string &)> &handler) {
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ccls::EnsureEndsInSlash(folder);
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sys::fs::file_status Status;
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if (sys::fs::status(folder, Status, true))
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return;
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sys::fs::UniqueID ID;
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std::vector<std::string> curr{folder};
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std::vector<std::pair<std::string, sys::fs::file_status>> succ;
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std::set<sys::fs::UniqueID> seen{Status.getUniqueID()};
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while (curr.size() || succ.size()) {
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if (curr.empty()) {
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for (auto &it : succ)
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if (!seen.count(it.second.getUniqueID()))
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curr.push_back(std::move(it.first));
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succ.clear();
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} else {
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std::error_code ec;
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std::string folder1 = curr.back();
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curr.pop_back();
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for (sys::fs::directory_iterator I(folder1, ec, false), E; I != E && !ec;
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I.increment(ec)) {
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std::string path = I->path(), filename = sys::path::filename(path);
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if ((filename[0] == '.' && filename != ".ccls") ||
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sys::fs::status(path, Status, false))
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continue;
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if (sys::fs::is_symlink_file(Status)) {
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if (sys::fs::status(path, Status, true))
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continue;
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if (sys::fs::is_directory(Status)) {
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if (recursive)
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succ.emplace_back(path, Status);
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continue;
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}
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}
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if (sys::fs::is_regular_file(Status)) {
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if (!dir_prefix)
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path = path.substr(folder.size());
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handler(sys::path::convert_to_slash(path));
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} else if (recursive && sys::fs::is_directory(Status) &&
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!seen.count(ID = Status.getUniqueID())) {
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curr.push_back(path);
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seen.insert(ID);
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}
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}
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}
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}
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}
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