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/*
* SPDX-License-Identifier: Apache-2.0
*/
// Copyright (c) ONNX Project Contributors.
#include "onnx/common/path.h"
namespace ONNX_NAMESPACE {
#ifdef _WIN32
#else
std::string path_join(const std::string& origin, const std::string& append) {
if (origin.find_last_of(k_preferred_path_separator) != origin.length() - 1) {
return origin + k_preferred_path_separator + append;
}
return origin + append;
}
std::string clean_relative_path(const std::string& path) {
if (path.empty()) {
return ".";
}
std::string out;
size_t n = path.size();
size_t r = 0;
size_t dotdot = 0;
while (r < n) {
if (path[r] == k_preferred_path_separator) {
r++;
continue;
}
if (path[r] == '.' && (r + 1 == n || path[r + 1] == k_preferred_path_separator)) {
r++;
continue;
}
if (path[r] == '.' && path[r + 1] == '.' && (r + 2 == n || path[r + 2] == k_preferred_path_separator)) {
r += 2;
if (out.size() > dotdot) {
while (out.size() > dotdot && out.back() != k_preferred_path_separator) {
out.pop_back();
}
if (!out.empty())
out.pop_back();
} else {
if (!out.empty()) {
out.push_back(k_preferred_path_separator);
}
out.push_back('.');
out.push_back('.');
dotdot = out.size();
}
continue;
}
if (!out.empty() && out.back() != k_preferred_path_separator) {
out.push_back(k_preferred_path_separator);
}
for (; r < n && path[r] != k_preferred_path_separator; r++) {
out.push_back(path[r]);
}
}
if (out.empty()) {
out.push_back('.');
}
return out;
}
#endif
} // namespace ONNX_NAMESPACE
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