#include "swift/extractor/infra/file/Path.h"

#include <iostream>

#include <unistd.h>

#include "swift/extractor/infra/file/FsLogger.h"

using namespace std::string_view_literals;

namespace codeql {

using namespace fs_logger;

static bool shouldCanonicalize() {

for (auto var : {"CODEQL_PRESERVE_SYMLINKS", "SEMMLE_PRESERVE_SYMLINKS"}) {

if (auto preserve = getenv(var); preserve && preserve == "true"sv) {

return false;

}

}

return true;

}

std::filesystem::path resolvePath(const std::filesystem::path& path) {

std::error_code ec;

std::filesystem::path ret = {};

static const auto canonicalize = shouldCanonicalize();

if (canonicalize) {

ret = std::filesystem::weakly_canonical(path, ec);

} else {

ret = std::filesystem::absolute(path, ec);

}

if (ec) {

if (ec.value() == ENOENT) {

// this is pretty normal, nothing to spam about

LOG_DEBUG("resolving non-existing {}", path);

} else {

LOG_WARNING("cannot get {} path for {} ({})", canonicalize ? "canonical" : "absolute", path,

ec);

}

return path;

}

return ret;

}

} // namespace codeql