mirror of
https://github.com/kevinbentley/Descent3.git
synced 2026-04-05 23:00:03 -04:00
d3a2161ceb
Add access to private fields and simplify HOG creation. HogFileEntry now contains path to real file that allows change its attributes internally.
101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
/*
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* Descent 3
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* Copyright (C) 2024 Descent Developers
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*
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* This program 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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* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <algorithm>
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#include <fstream>
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#include <iterator>
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#include "HogFormat.h"
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#include "IOOps.h"
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namespace D3 {
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// TODO: To our descendants from the future: remove it when code will support C++20
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template <typename TP> std::time_t to_time_t(TP tp) {
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auto sctp = std::chrono::duration_cast<std::chrono::system_clock::duration>(tp - TP::clock::now()) +
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std::chrono::system_clock::now();
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return std::chrono::system_clock::to_time_t(sctp);
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}
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HogFileEntry::HogFileEntry(const std::filesystem::path &input) {
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m_real_path = input;
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m_flags = 0;
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m_len = (uint32_t)file_size(input);
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m_timestamp = (uint32_t)to_time_t(last_write_time(input));
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auto name = input.filename().u8string();
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std::copy(name.begin(), name.end(), m_name.begin());
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}
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HogFileEntry::HogFileEntry(std::string name, uint32_t flags, uint32_t len, uint32_t timestamp) {
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std::copy(name.begin(), name.end(), m_name.begin());
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m_flags = flags;
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m_len = len;
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m_timestamp = timestamp;
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}
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void HogFileEntry::SetRealPath(const std::filesystem::path &input) {
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m_real_path = input;
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m_flags = 0;
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m_len = (uint32_t)file_size(input);
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m_timestamp = (uint32_t)to_time_t(last_write_time(input));
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auto name = input.filename().u8string();
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std::copy(name.begin(), name.end(), m_name.begin());
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}
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std::array<char, 36> char_tolower(std::array<char, 36> s) {
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std::transform(s.begin(), s.end(), s.begin(), [](unsigned char c) { return std::tolower(c); });
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return s;
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}
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std::ostream &operator<<(std::ostream &output, const HogHeader &header) {
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std::copy(header.tag.begin(), header.tag.end(), std::ostream_iterator<char>(output));
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bin_write(output, header.nfiles);
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bin_write(output, header.file_data_offset);
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std::copy(header.reserved.begin(), header.reserved.end(), std::ostream_iterator<char>(output));
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return output;
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}
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std::ostream &operator<<(std::ostream &output, const HogFileEntry &entry) {
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std::copy(entry.m_name.begin(), entry.m_name.end(), std::ostream_iterator<char>(output));
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bin_write(output, entry.m_flags);
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bin_write(output, entry.m_len);
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bin_write(output, entry.m_timestamp);
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return output;
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}
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std::ostream &operator<<(std::ostream &output, const HogFormat &format) {
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output << format.m_header;
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for (const HogFileEntry &entry : format.m_file_entries) {
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output << entry;
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}
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return output;
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}
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void HogFormat::SortEntries() {
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auto customLess = [](const HogFileEntry &a, const HogFileEntry &b) {
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return (char_tolower(a.m_name) < char_tolower(b.m_name));
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};
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std::sort(m_file_entries.begin(), m_file_entries.end(), customLess);
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}
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} // namespace D3
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