Václav Kubernát | d666296 | 2018-03-22 17:41:33 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 CESNET, https://photonics.cesnet.cz/ |
| 3 | * Copyright (C) 2018 FIT CVUT, https://fit.cvut.cz/ |
| 4 | * |
| 5 | * Written by Václav Kubernát <kubervac@fit.cvut.cz> |
| 6 | * |
| 7 | */ |
Václav Kubernát | b96eef7 | 2018-05-04 19:10:22 +0200 | [diff] [blame] | 8 | #include <iostream> |
Václav Kubernát | 624a887 | 2018-03-02 17:28:47 +0100 | [diff] [blame] | 9 | #include "CParser.hpp" |
| 10 | |
| 11 | TooManyArgumentsException::~TooManyArgumentsException() = default; |
| 12 | |
Václav Kubernát | b96eef7 | 2018-05-04 19:10:22 +0200 | [diff] [blame] | 13 | InvalidCommandException::~InvalidCommandException() = default; |
| 14 | |
Václav Kubernát | 624a887 | 2018-03-02 17:28:47 +0100 | [diff] [blame] | 15 | CParser::CParser(const CTree& tree) |
| 16 | : m_tree(tree) |
| 17 | { |
| 18 | } |
| 19 | |
| 20 | |
Václav Kubernát | d666296 | 2018-03-22 17:41:33 +0100 | [diff] [blame] | 21 | cd_ CParser::parseCommand(const std::string& line) |
Václav Kubernát | 624a887 | 2018-03-02 17:28:47 +0100 | [diff] [blame] | 22 | { |
Václav Kubernát | d666296 | 2018-03-22 17:41:33 +0100 | [diff] [blame] | 23 | cd_ parsedCommand; |
| 24 | ParserContext ctx(m_tree); |
Václav Kubernát | 624a887 | 2018-03-02 17:28:47 +0100 | [diff] [blame] | 25 | auto it = line.begin(); |
Václav Kubernát | d666296 | 2018-03-22 17:41:33 +0100 | [diff] [blame] | 26 | |
Václav Kubernát | b96eef7 | 2018-05-04 19:10:22 +0200 | [diff] [blame] | 27 | boost::spirit::x3::error_handler<std::string::const_iterator> errorHandler(it, line.end(), std::cerr); |
| 28 | auto grammar = |
| 29 | x3::with<parser_context_tag>(ctx)[ |
| 30 | x3::with<x3::error_handler_tag>(std::ref(errorHandler))[cd] |
| 31 | ]; |
| 32 | bool result = x3::phrase_parse(it, line.end(), grammar, space, parsedCommand); |
Václav Kubernát | d666296 | 2018-03-22 17:41:33 +0100 | [diff] [blame] | 33 | |
Václav Kubernát | b96eef7 | 2018-05-04 19:10:22 +0200 | [diff] [blame] | 34 | if (!result || it != line.end()) { |
| 35 | throw InvalidCommandException(std::string(it, line.end()) + " this was left of input"); |
Václav Kubernát | 624a887 | 2018-03-02 17:28:47 +0100 | [diff] [blame] | 36 | } |
| 37 | |
Václav Kubernát | d666296 | 2018-03-22 17:41:33 +0100 | [diff] [blame] | 38 | return parsedCommand; |
Václav Kubernát | 624a887 | 2018-03-02 17:28:47 +0100 | [diff] [blame] | 39 | } |