| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| /* vim: set ts=2 et sw=2 tw=80: */ |
| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| #include "config.h" |
| |
| #include <cstdlib> |
| #include <queue> |
| #include <string> |
| |
| bool ConfigEntryBase::ParseInternal(std::queue<const char *> &args, |
| std::vector<int> &out) { |
| if (args.empty()) return false; |
| |
| char *endptr; |
| out.push_back(strtol(args.front(), &endptr, 10)); |
| args.pop(); |
| |
| return !*endptr; |
| } |
| |
| bool ConfigEntryBase::ParseInternal(std::queue<const char *> &args, |
| std::string &out) { |
| if (args.empty()) return false; |
| out = args.front(); |
| args.pop(); |
| return true; |
| } |
| |
| bool ConfigEntryBase::ParseInternal(std::queue<const char *> &args, int &out) { |
| if (args.empty()) return false; |
| |
| char *endptr; |
| out = strtol(args.front(), &endptr, 10); |
| args.pop(); |
| |
| return !*endptr; |
| } |
| |
| bool ConfigEntryBase::ParseInternal(std::queue<const char *> &args, bool &out) { |
| out = true; |
| return true; |
| } |
| |
| std::string Config::XformFlag(const std::string &arg) { |
| if (arg.empty()) return ""; |
| |
| if (arg[0] != '-') return ""; |
| |
| return arg.substr(1); |
| } |
| |
| Config::Status Config::ParseArgs(int argc, char **argv) { |
| std::queue<const char *> args; |
| for (int i = 1; i < argc; ++i) { |
| args.push(argv[i]); |
| } |
| while (!args.empty()) { |
| auto e = entries_.find(XformFlag(args.front())); |
| args.pop(); |
| if (e == entries_.end()) { |
| return kUnknownFlag; |
| } |
| if (!e->second->Parse(args)) return kMalformedArgument; |
| } |
| |
| return kOK; |
| } |