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Add more unit tests for buffer mode

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This commit is contained in:
ado
2024-02-18 18:58:51 +01:00
parent 63a618957b
commit baf4317ffa
3 changed files with 67 additions and 57 deletions
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50
test/test_parser1.hpp
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@@ -105,54 +105,4 @@ static void make_and_write(const std::string& file_name,
}
}
std::string make_buffer(const std::string& file_name) {
std::ifstream in{file_name, std::ios::binary};
std::string tmp;
std::string out;
auto copy_if_whitespaces = [&] {
std::string matches = "\n\r\t ";
while (std::any_of(matches.begin(), matches.end(),
[&](auto c) { return in.peek() == c; })) {
if (in.peek() == '\r') {
out += "\r\n";
in.ignore(2);
} else {
out += std::string{static_cast<char>(in.peek())};
in.ignore(1);
}
}
};
out.reserve(sizeof(out) + 1);
copy_if_whitespaces();
while (in >> tmp) {
out += tmp;
copy_if_whitespaces();
}
return out;
}
template <bool buffer_mode, typename... Ts>
std::tuple<ss::parser<Ts...>, std::string> make_parser(
const std::string& file_name, const std::string& delim = "") {
if (buffer_mode) {
auto buffer = make_buffer(file_name);
if (delim.empty()) {
return {ss::parser<Ts...>{buffer.data(), buffer.size()},
std::move(buffer)};
} else {
return {ss::parser<Ts...>{buffer.data(), buffer.size(), delim},
std::move(buffer)};
}
} else {
if (delim.empty()) {
return {ss::parser<Ts...>{file_name}, std::string{}};
} else {
return {ss::parser<Ts...>{file_name, delim}, std::string{}};
}
}
}
} /* namespace */