Options.cc File Reference

#include <cstdlib>
#include <iostream>
#include <iomanip>
#include <regex>
#include <system_error>
#include <filesystem>
#include <string>
#include <numeric>
#include <boost/algorithm/string.hpp>
#include <boost/version.hpp>
#include <boost/program_options.hpp>
#include <boost/exception/all.hpp>
#include <boost/property_tree/info_parser.hpp>
#include <boost/property_tree/json_parser.hpp>
#include <boost/property_tree/xml_parser.hpp>
#include "colours.h"
#include "Options.h"
#include "version.h"

Include dependency graph for Options.cc:

Functions
void	set_mute (bool flag)
string	wrap_paragraph (const string &text)

Function Documentation

set_mute()

void set_mute

(

bool

flag

)

Function used by Boost::PO to disable standard error.

{
    if (flag) cout.setstate(ios_base::failbit); 
}

wrap_paragraph()

string wrap_paragraph

(

const string &

text

)

Wraps a given paragraph to fit within the same number of characters as the standard helper message from Boost Program Options.

{
    if (text.size() == 0) return text;
 
    vector<string> paragraphs;
    al::split(paragraphs, text, al::is_any_of("\n"));
 
    string wrapped;
    for (auto const& paragraph: paragraphs) {
        vector<string> words;
        al::split(words, paragraph, al::is_any_of(" \t"), al::token_compress_on);
 
        string line;
        for (auto const& word: words) {
            size_t s = line.size() + word.size();
            static const size_t sMax = po::options_description::m_default_line_length;
 
            if (s > sMax) {
                line.pop_back();
                wrapped += line;
                wrapped += '\n';
                line.clear();
            }
 
            line += word;
            line += ' ';
        }
        line.pop_back();
        wrapped += line + '\n';
    }
 
    return wrapped;
}