mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 02:11:36 -04:00
Pegasus
43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
#pragma once
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#include <filesystem>
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#include <system_error>
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namespace PSXRecompV4 {
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// Some MinGW libstdc++ builds treat a readable UNC path as drive-relative:
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// absolute("\\\\server\\share\\file") becomes "D:\\server\\share\\file".
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// Windows already considers UNC and device namespace paths fully qualified.
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// Preserve their spelling before asking std::filesystem to anchor a path.
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inline bool host_path_is_absolute(const std::filesystem::path& path) {
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#ifdef _WIN32
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const auto& s = path.native();
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const auto separator = [](wchar_t c) { return c == L'\\' || c == L'/'; };
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if (s.size() > 2 && separator(s[0]) && separator(s[1]) && !separator(s[2]))
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return true;
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#endif
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return path.is_absolute();
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}
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inline std::filesystem::path host_absolute(const std::filesystem::path& path,
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std::error_code& ec) {
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if (host_path_is_absolute(path)) {
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ec.clear();
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return path;
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}
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return std::filesystem::absolute(path, ec);
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}
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inline std::filesystem::path host_absolute(const std::filesystem::path& path) {
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if (host_path_is_absolute(path)) return path;
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return std::filesystem::absolute(path);
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}
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// A fully qualified config value must not be prefixed with its config root.
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inline std::filesystem::path host_resolve(const std::filesystem::path& root,
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const std::filesystem::path& path) {
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return host_absolute(host_path_is_absolute(path) ? path : root / path);
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}
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} // namespace PSXRecompV4
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