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C++17 std::filesystem::path support added (#447)

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This commit is contained in:
Nigel Stewart
2025-01-14 16:56:41 +10:00
committed by GitHub
parent f029892dab
commit 7795b6a47b
2 changed files with 90 additions and 0 deletions
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15
include/cxxopts.hpp
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@@ -73,6 +73,12 @@ THE SOFTWARE.
# define CXXOPTS_HAS_OPTIONAL
# endif
# endif
# if __has_include(<filesystem>)
# include <filesystem>
# ifdef __cpp_lib_filesystem
# define CXXOPTS_HAS_FILESYSTEM
# endif
# endif
#endif
#define CXXOPTS_FALLTHROUGH
@@ -1074,6 +1080,15 @@ parse_value(const std::string& text, std::optional<T>& value)
}
#endif
#ifdef CXXOPTS_HAS_FILESYSTEM
inline
void
parse_value(const std::string& text, std::filesystem::path& value)
{
value.assign(text);
}
#endif
inline
void parse_value(const std::string& text, char& c)
{

75
test/options.cpp
View File

@@ -732,6 +732,27 @@ TEST_CASE("std::optional", "[optional]") {
}
#endif
#ifdef CXXOPTS_HAS_FILESYSTEM
TEST_CASE("std::filesystem::path", "[path]") {
std::filesystem::path path;
cxxopts::Options options("path", " - tests path");
options.add_options()
("path", "a path", cxxopts::value<std::filesystem::path>(path));
Argv av({"path", "--path", "Hello World.txt"});
auto** argv = av.argv();
auto argc = av.argc();
REQUIRE(path.empty());
options.parse(argc, argv);
REQUIRE(!path.empty());
CHECK(path == "Hello World.txt");
}
#endif
TEST_CASE("Unrecognised options", "[options]") {
cxxopts::Options options("unknown_options", " - test unknown options");
@@ -877,6 +898,60 @@ TEST_CASE("Optional value", "[optional]")
}
#endif
#ifdef CXXOPTS_HAS_OPTIONAL
TEST_CASE("std::filesystem::path value", "[path]")
{
cxxopts::Options options("options", "query as std::fileystem::path");
options.add_options()
("a", "Path", cxxopts::value<std::filesystem::path>())
("b", "Path", cxxopts::value<std::filesystem::path>())
("c", "Path", cxxopts::value<std::filesystem::path>())
("d", "Path", cxxopts::value<std::filesystem::path>())
("e", "Path", cxxopts::value<std::filesystem::path>())
;
SECTION("Available") {
Argv av({
"available",
"-a", "hello.txt",
"-b", "C:\\Users\\JoeCitizen\\hello world.txt",
"-c", "/home/joecitzen/hello world.txt",
"-d", "../world.txt"
});
auto** argv = av.argv();
auto argc = av.argc();
auto result = options.parse(argc, argv);
CHECK(result.as_optional<std::filesystem::path>("a"));
CHECK(result.as_optional<std::filesystem::path>("b"));
CHECK(result.as_optional<std::filesystem::path>("c"));
CHECK(result.as_optional<std::filesystem::path>("d"));
CHECK(!result.as_optional<std::filesystem::path>("e"));
CHECK(result.as_optional<std::filesystem::path>("a") == "hello.txt");
CHECK(result.as_optional<std::filesystem::path>("b") == "C:\\Users\\JoeCitizen\\hello world.txt");
CHECK(result.as_optional<std::filesystem::path>("c") == "/home/joecitzen/hello world.txt");
CHECK(result.as_optional<std::filesystem::path>("d") == "../world.txt");
}
SECTION("Unavailable") {
Argv av({
"unavailable"
});
auto** argv = av.argv();
auto argc = av.argc();
auto result = options.parse(argc, argv);
CHECK(!result.as_optional<std::filesystem::path>("a"));
}
}
#endif
TEST_CASE("Initializer list with group", "[options]") {
cxxopts::Options options("Initializer list group", " - test initializer list with group");