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