mirror of https://github.com/Icinga/icinga2.git
123 lines
4.0 KiB
C++
123 lines
4.0 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "cli/replcommand.hpp"
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#include "config/configcompiler.hpp"
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#include "config/configcompilercontext.hpp"
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#include "base/json.hpp"
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#include "base/console.hpp"
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#include <iostream>
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using namespace icinga;
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namespace po = boost::program_options;
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REGISTER_CLICOMMAND("repl", ReplCommand);
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String ReplCommand::GetDescription(void) const
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{
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return "Interprets Icinga script expressions.";
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}
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String ReplCommand::GetShortDescription(void) const
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{
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return "Icinga REPL console";
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}
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bool ReplCommand::IsHidden(void) const
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{
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return true;
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}
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ImpersonationLevel ReplCommand::GetImpersonationLevel(void) const
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{
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return ImpersonateNone;
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}
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void ReplCommand::InitParameters(boost::program_options::options_description& visibleDesc,
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boost::program_options::options_description& hiddenDesc) const
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{
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}
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/**
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* The entry point for the "repl" CLI command.
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*
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* @returns An exit status.
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*/
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int ReplCommand::Run(const po::variables_map& vm, const std::vector<std::string>& ap) const
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{
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ScriptFrame frame;
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std::map<String, String> lines;
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int next_line = 1;
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while (std::cin.good()) {
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String fileName = "<" + Convert::ToString(next_line) + ">";
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next_line++;
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std::cout << ConsoleColorTag(Console_ForegroundCyan)
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<< fileName << ConsoleColorTag(Console_ForegroundRed) << " => "
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<< ConsoleColorTag(Console_Normal);
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std::string line;
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std::getline(std::cin, line);
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Expression *expr;
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try {
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ConfigCompilerContext::GetInstance()->Reset();
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lines[fileName] = line;
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expr = ConfigCompiler::CompileText(fileName, line);
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bool has_errors = false;
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BOOST_FOREACH(const ConfigCompilerMessage& message, ConfigCompilerContext::GetInstance()->GetMessages()) {
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if (message.Error)
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has_errors = true;
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std::cout << (message.Error ? "Error" : "Warning") << ": " << message.Text << "\n";
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}
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if (expr && !has_errors) {
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Value result = expr->Evaluate(frame);
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std::cout << ConsoleColorTag(Console_ForegroundCyan);
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if (!result.IsObject() || result.IsObjectType<Array>() || result.IsObjectType<Dictionary>())
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std::cout << JsonEncode(result);
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else
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std::cout << result;
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std::cout << ConsoleColorTag(Console_Normal) << "\n";
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}
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} catch (const ScriptError& ex) {
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DebugInfo di = ex.GetDebugInfo();
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std::cout << di.Path << ": " << lines[di.Path] << "\n";
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std::cout << String(di.Path.GetLength() + 2, ' ');
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std::cout << String(di.FirstColumn, ' ') << String(di.LastColumn - di.FirstColumn + 1, '^') << "\n";
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std::cout << ex.what() << "\n";
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} catch (const std::exception& ex) {
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std::cout << "Error: " << DiagnosticInformation(ex) << "\n";
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}
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delete expr;
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}
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return 0;
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}
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