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// Copyright (c) 2016 Klemens D. Morgenstern
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_PROCESS_DETAIL_WINDOWS_BASIC_CMD_HPP_
#define BOOST_PROCESS_DETAIL_WINDOWS_BASIC_CMD_HPP_
#include <boost/algorithm/string/trim.hpp>
#include <boost/algorithm/string/replace.hpp>
#include <boost/process/shell.hpp>
#include <boost/process/detail/windows/handler.hpp>
#include <vector>
#include <string>
#include <iterator>
namespace boost
{
namespace process
{
namespace detail
{
namespace windows
{
inline std::string build_args(const std::string & exe, std::vector<std::string> && data)
{
std::string st = exe;
//put in quotes if it has spaces
{
boost::replace_all(st, "\"", "\\\"");
auto it = std::find(st.begin(), st.end(), ' ');
if (it != st.end())//contains spaces.
{
st.insert(st.begin(), '"');
st += '"';
}
}
for (auto & arg : data)
{
boost::replace_all(arg, "\"", "\\\"");
auto it = std::find(arg.begin(), arg.end(), ' ');//contains space?
if (it != arg.end())//ok, contains spaces.
{
//the first one is put directly onto the output,
//because then I don't have to copy the whole string
arg.insert(arg.begin(), '"');
arg += '"'; //thats the post one.
}
if (!st.empty())//first one does not need a preceeding space
st += ' ';
st += arg;
}
return st;
}
inline std::wstring build_args(const std::wstring & exe, std::vector<std::wstring> && data)
{
std::wstring st = exe;
for (auto & arg : data)
{
boost::replace_all(arg, L"\"", L"\\\"");
auto it = std::find(arg.begin(), arg.end(), ' ');//contains space?
if (it != arg.end())//ok, contains spaces.
{
//the first one is put directly onto the output,
//because then I don't have to copy the whole string
arg.insert(arg.begin(), L'"');
arg += L'"'; //thats the post one.
}
if (!st.empty())//first one does not need a preceeding space
st += L' ';
st += arg;
}
return st;
}
template<typename Char>
struct exe_cmd_init : handler_base_ext
{
using value_type = Char;
using string_type = std::basic_string<value_type>;
static const char* c_arg(char) { return "/c";}
static const wchar_t* c_arg(wchar_t) { return L"/c";}
exe_cmd_init(const string_type & exe, bool cmd_only = false)
: exe(exe), args({}), cmd_only(cmd_only) {};
exe_cmd_init(string_type && exe, bool cmd_only = false)
: exe(std::move(exe)), args({}), cmd_only(cmd_only) {};
exe_cmd_init(string_type && exe, std::vector<string_type> && args)
: exe(std::move(exe)), args(build_args(this->exe, std::move(args))), cmd_only(false) {};
template <class Executor>
void on_setup(Executor& exec) const
{
if (cmd_only && args.empty())
exec.cmd_line = exe.c_str();
else
{
exec.exe = exe.c_str();
exec.cmd_line = args.c_str();
}
}
static exe_cmd_init<Char> exe_args(string_type && exe, std::vector<string_type> && args)
{
return exe_cmd_init<Char>(std::move(exe), std::move(args));
}
static exe_cmd_init<Char> cmd(string_type&& cmd)
{
return exe_cmd_init<Char>(std::move(cmd), true);
}
static exe_cmd_init<Char> exe_args_shell(string_type && exe, std::vector<string_type> && args)
{
std::vector<string_type> args_ = {c_arg(Char()), std::move(exe)};
args_.insert(args_.end(), std::make_move_iterator(args.begin()), std::make_move_iterator(args.end()));
string_type sh = get_shell(Char());
return exe_cmd_init<Char>(std::move(sh), std::move(args_));
}
static std:: string get_shell(char) {return shell(). string(codecvt()); }
static std::wstring get_shell(wchar_t) {return shell().wstring(codecvt());}
static exe_cmd_init<Char> cmd_shell(string_type&& cmd)
{
std::vector<string_type> args = {c_arg(Char()), std::move(cmd)};
string_type sh = get_shell(Char());
return exe_cmd_init<Char>(
std::move(sh),
std::move(args));
}
private:
string_type exe;
string_type args;
bool cmd_only;
};
}
}
}
}
#endif /* INCLUDE_BOOST_PROCESS_WINDOWS_ARGS_HPP_ */
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