MushMachine/framework/filesystem/src/mm/path_utils.hpp

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#pragma once
// TODO: test
#include <mm/string_view_split.hpp>
// TODO: make proper namespace
namespace MM {
// removes './'s and resolves '../'
// returns false if too many ..
inline bool path_shorten(std::string& path) {
auto splits = std_utils::split(path, "/");
std::vector<std::string_view> new_splits;
for (size_t i = 0; i < splits.size(); i++) {
if (splits[i] == "..") {
if (new_splits.empty())
return false;
new_splits.pop_back();
} else if (splits[i] == ".") {
// skip
} else {
new_splits.emplace_back(splits[i]);
}
}
std::string new_path;
for (auto& s : new_splits) {
new_path += "/";
new_path += s;
}
path = new_path;
return true;
}
// remove the file name from the path
inline std::string base_path(std::string_view path) {
auto pos = path.find_last_of("/");
if (pos == path.npos)
return std::string(path); // TODO: make sure there is a '/'
return std::string(path.substr(0, pos+1));
}
} // MM