mirror of
https://github.com/KingDuckZ/dindexer.git
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107 lines
3.2 KiB
C++
107 lines
3.2 KiB
C++
/* Copyright 2015, 2016, Michele Santullo
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* This file is part of "dindexer".
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*
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* "dindexer" is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* "dindexer" is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with "dindexer". If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "dindexer-machinery/scantask/dirtree.hpp"
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#include "dindexer-machinery/recorddata.hpp"
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#include "dindexer-machinery/set_listing.hpp"
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#include "helpers/compatibility.h"
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#include "filesearcher.hpp"
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#include "pathname.hpp"
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#include <utility>
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#include <cassert>
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#include <ciso646>
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#include <functional>
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#include <algorithm>
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namespace mchlib {
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namespace {
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std::size_t calc_rel_path_offs ( const PathName& parRoot, boost::string_ref parPath ) a_pure;
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std::size_t calc_rel_path_offs (const PathName& parRoot, boost::string_ref parPath) {
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PathName path(parPath);
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PathName rel_path = make_relative_path(parRoot, path);
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const auto rel_path_len = rel_path.str_path_size();
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const auto path_len = path.str_path_size();
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assert(rel_path_len <= path_len);
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return path_len - rel_path_len;
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}
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bool add_path (scantask::DirTree::PathList& parOut, const PathName& parRoot, const char* parPath, const fastf::FileStats& parStats) {
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using boost::string_ref;
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auto it_before = SetListing::lower_bound(
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parOut,
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parPath,
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parStats.level,
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parStats.is_dir
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);
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//std::string curr_path(parPath);
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//const std::size_t offset = parBase.str_path_size() + 1;
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//for (FileRecordData& itm : parItems) {
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// const auto curr_offset = std::min(parRelPathOffs, curr_path.size());
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// itm.path = boost::string_ref(itm.abs_path).substr(curr_offset);
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// assert(itm.path.data());
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//}
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parOut.insert(
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it_before,
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FileRecordData(
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parPath,
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calc_rel_path_offs(parRoot, string_ref(parPath)),
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parStats.atime,
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parStats.mtime,
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static_cast<uint16_t>(parStats.level),
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static_cast<bool>(parStats.is_dir),
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static_cast<bool>(parStats.is_symlink)
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)
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);
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return true;
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}
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}
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namespace scantask {
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DirTree::DirTree (std::string parRoot) :
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m_root(std::move(parRoot))
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{
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assert(not m_root.empty());
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}
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void DirTree::on_data_destroy (PathList& parData) {
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parData.clear();
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}
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void DirTree::on_data_create (PathList& parData) {
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using std::placeholders::_1;
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using std::placeholders::_2;
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using boost::string_ref;
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assert(parData.empty());
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fastf::FileSearcher searcher(m_root);
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fastf::FileSearcher::ConstCharVecType ext, ignore;
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searcher.SetFollowSymlinks(true);
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searcher.SetCallback(
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fastf::FileSearcher::CallbackType(
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std::bind(&add_path, std::ref(parData), PathName(string_ref(m_root)), _1, _2)
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)
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);
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searcher.Search(ext, ignore);
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}
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} //namespace scantask
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} //namespace mchlib
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