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https://github.com/dolphin-emu/dolphin.git
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a14c88ba67
Yellow squiggly lines begone! Done automatically on .cpp files through `run-clang-tidy`, with manual corrections to the mistakes. If an import is directly used, but is technically unnecessary since it's recursively imported by something else, it is *not* removed. The tool doesn't touch .h files, so I did some of them by hand while fixing errors due to old recursive imports. Not everything is removed, but the cleanup should be substantial enough. Because this done on Linux, code that isn't used on it is mostly untouched. (Hopefully no open PR is depending on these imports...)
110 lines
3.7 KiB
C++
110 lines
3.7 KiB
C++
// Copyright 2008 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "Common/FileSearch.h"
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#include <algorithm>
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#include <filesystem>
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#include <system_error>
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#include "Common/CommonPaths.h"
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#include "Common/Logging/Log.h"
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#include "Common/StringUtil.h"
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#ifdef _MSC_VER
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#include <Windows.h>
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#elifdef ANDROID
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#include "jni/AndroidCommon/AndroidCommon.h"
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#endif
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namespace fs = std::filesystem;
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namespace Common
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{
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std::vector<std::string> DoFileSearch(std::span<const std::string_view> directories,
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std::span<const std::string_view> exts, bool recursive)
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{
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const bool accept_all = exts.empty();
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std::vector<fs::path> native_exts;
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for (const auto& ext : exts)
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native_exts.push_back(StringToPath(ext));
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// N.B. This avoids doing any copies
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auto ext_matches = [&native_exts](const fs::path& path) {
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const std::basic_string_view<fs::path::value_type> native_path = path.native();
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return std::ranges::any_of(native_exts, [&native_path](const auto& ext) {
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const auto compare_len = ext.native().length();
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if (native_path.length() < compare_len)
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return false;
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const auto substr_to_compare = native_path.substr(native_path.length() - compare_len);
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#ifdef _WIN32
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return CompareStringOrdinal(substr_to_compare.data(), static_cast<int>(compare_len),
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ext.c_str(), static_cast<int>(compare_len), TRUE) == CSTR_EQUAL;
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#else
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return strncasecmp(substr_to_compare.data(), ext.c_str(), compare_len) == 0;
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#endif
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});
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};
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std::vector<std::string> result;
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auto add_filtered = [&](const fs::directory_entry& entry) {
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auto& path = entry.path();
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if (accept_all || (!entry.is_directory() && ext_matches(path)))
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result.emplace_back(PathToString(path));
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};
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for (const auto& directory : directories)
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{
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#ifdef ANDROID
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if (IsPathAndroidContent(directory))
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{
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const std::vector<std::string> partial_result =
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DoFileSearchAndroidContent(directory, exts, recursive);
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result.insert(result.end(), std::make_move_iterator(partial_result.begin()),
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std::make_move_iterator(partial_result.end()));
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}
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else
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#endif
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{
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fs::path directory_path = StringToPath(directory);
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std::error_code error;
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if (recursive)
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{
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for (auto it = fs::recursive_directory_iterator(std::move(directory_path), error);
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it != fs::recursive_directory_iterator(); it.increment(error))
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add_filtered(*it);
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}
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else
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{
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for (auto it = fs::directory_iterator(std::move(directory_path), error);
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it != fs::directory_iterator(); it.increment(error))
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add_filtered(*it);
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}
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if (error)
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ERROR_LOG_FMT(COMMON, "{} error on {}: {}", __func__, directory, error.message());
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}
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}
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// Remove duplicates (occurring because caller gave e.g. duplicate or overlapping directories -
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// not because std::filesystem returns duplicates). Also note that this pathname-based uniqueness
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// isn't as thorough as std::filesystem::equivalent.
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std::ranges::sort(result);
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const auto unique_result = std::ranges::unique(result);
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result.erase(unique_result.begin(), unique_result.end());
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// Dolphin expects to be able to use "/" (DIR_SEP) everywhere.
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// std::filesystem uses the OS separator.
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constexpr fs::path::value_type os_separator = fs::path::preferred_separator;
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static_assert(os_separator == DIR_SEP_CHR || os_separator == '\\', "Unsupported path separator");
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if constexpr (os_separator != DIR_SEP_CHR)
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{
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for (auto& path : result)
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std::ranges::replace(path, '\\', DIR_SEP_CHR);
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}
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return result;
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}
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} // namespace Common
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