xcdat/tools/xcdat_lookup.cpp
Shunsuke Kanda 822de1093f minor
2021-06-29 12:10:08 +09:00

57 lines
1.4 KiB
C++

#include <xcdat.hpp>
#include "cmd_line_parser/parser.hpp"
#include "mm_file/mm_file.hpp"
#include "tinyformat/tinyformat.h"
cmd_line_parser::parser make_parser(int argc, char** argv) {
cmd_line_parser::parser p(argc, argv);
p.add("input_idx", "Input filepath of trie index");
return p;
}
template <class Trie>
int lookup(const cmd_line_parser::parser& p) {
const auto input_idx = p.get<std::string>("input_idx");
const mm::file_source<char> fin(input_idx.c_str(), mm::advice::sequential);
const auto trie = xcdat::mmap<Trie>(fin.data());
for (std::string str; std::getline(std::cin, str);) {
const auto id = trie.lookup(str);
if (id.has_value()) {
tfm::printfln("%d\t%s", id.value(), str);
} else {
tfm::printfln("-1\t%s", str);
}
}
return 0;
}
int main(int argc, char** argv) {
#ifndef NDEBUG
tfm::warnfln("The code is running in debug mode.");
#endif
std::ios::sync_with_stdio(false);
auto p = make_parser(argc, argv);
if (!p.parse()) {
return 1;
}
const auto input_idx = p.get<std::string>("input_idx");
const auto flag = xcdat::get_flag(input_idx);
switch (flag) {
case 7:
return lookup<xcdat::trie_7_type>(p);
case 8:
return lookup<xcdat::trie_8_type>(p);
default:
break;
}
p.help();
return 1;
}