/**
* Copyright (C) 2010 Johannes Weißl
* License: MIT License
* URL: https://github.com/weisslj/cpp-optparse
*/
#include "OptionParser.h"
#include
#include
#include
#include
#if defined(ENABLE_NLS) && ENABLE_NLS
# include
# define _(s) gettext(s)
#else
# define _(s) ((const char *) (s))
#endif
using namespace std;
namespace optparse {
////////// auxiliary (string) functions { //////////
class str_wrap {
public:
str_wrap(const string& l, const string& r) : lwrap(l), rwrap(r) {}
str_wrap(const string& w) : lwrap(w), rwrap(w) {}
string operator() (const string& s) { return lwrap + s + rwrap; }
const string lwrap, rwrap;
};
template
static string str_join_trans(const string& sep, InputIterator begin, InputIterator end, UnaryOperator op) {
string buf;
for (InputIterator it = begin; it != end; ++it) {
if (it != begin)
buf += sep;
buf += op(*it);
}
return buf;
}
template
static string str_join(const string& sep, InputIterator begin, InputIterator end) {
return str_join_trans(sep, begin, end, str_wrap(""));
}
static string& str_replace(string& s, const string& patt, const string& repl) {
size_t pos = 0, n = patt.length();
while (true) {
pos = s.find(patt, pos);
if (pos == string::npos)
break;
s.replace(pos, n, repl);
pos += repl.size();
}
return s;
}
static string str_replace(const string& s, const string& patt, const string& repl) {
string tmp = s;
str_replace(tmp, patt, repl);
return tmp;
}
static string str_format(const string& str, size_t pre, size_t len, bool running_text = true, bool indent_first = true) {
string s = str;
stringstream ss;
string p;
len -= 2; // Python seems to not use full length
if (running_text)
replace(s.begin(), s.end(), '\n', ' ');
if (indent_first)
p = string(pre, ' ');
size_t pos = 0, linestart = 0;
size_t line = 0;
while (true) {
bool wrap = false;
size_t new_pos = s.find_first_of(" \n\t", pos);
if (new_pos == string::npos)
break;
if (s[new_pos] == '\n') {
pos = new_pos + 1;
wrap = true;
}
if (line == 1)
p = string(pre, ' ');
if (wrap || new_pos + pre > linestart + len) {
ss << p << s.substr(linestart, pos - linestart - 1) << endl;
linestart = pos;
line++;
}
pos = new_pos + 1;
}
ss << p << s.substr(linestart) << endl;
return ss.str();
}
static string str_inc(const string& s) {
stringstream ss;
string v = (s != "") ? s : "0";
long i;
istringstream(v) >> i;
ss << i+1;
return ss.str();
}
static unsigned int cols() {
unsigned int n = 80;
#ifndef _WIN32
const char *s = getenv("COLUMNS");
if (s)
istringstream(s) >> n;
#endif
return n;
}
static string basename(const string& s) {
string b = s;
size_t i = b.find_last_not_of('/');
if (i == string::npos) {
if (b[0] == '/')
b.erase(1);
return b;
}
b.erase(i+1, b.length()-i-1);
i = b.find_last_of("/");
if (i != string::npos)
b.erase(0, i+1);
return b;
}
////////// } auxiliary (string) functions //////////
////////// class OptionContainer { //////////
Option& OptionContainer::add_option(const string& opt) {
const string tmp[1] = { opt };
return add_option(vector(&tmp[0], &tmp[1]));
}
Option& OptionContainer::add_option(const string& opt1, const string& opt2) {
const string tmp[2] = { opt1, opt2 };
return add_option(vector(&tmp[0], &tmp[2]));
}
Option& OptionContainer::add_option(const string& opt1, const string& opt2, const string& opt3) {
const string tmp[3] = { opt1, opt2, opt3 };
return add_option(vector(&tmp[0], &tmp[3]));
}
Option& OptionContainer::add_option(const vector& v) {
_opts.resize(_opts.size()+1, Option(get_parser()));
Option& option = _opts.back();
string dest_fallback;
for (vector::const_iterator it = v.begin(); it != v.end(); ++it) {
if (it->substr(0,2) == "--") {
const string s = it->substr(2);
if (option.dest() == "")
option.dest(str_replace(s, "-", "_"));
option._long_opts.insert(s);
_optmap_l[s] = &option;
} else {
const string s = it->substr(1,1);
if (dest_fallback == "")
dest_fallback = s;
option._short_opts.insert(s);
_optmap_s[s] = &option;
}
}
if (option.dest() == "")
option.dest(dest_fallback);
return option;
}
string OptionContainer::format_option_help(unsigned int indent /* = 2 */) const {
stringstream ss;
if (_opts.empty())
return ss.str();
for (list