/**
* diargs.cpp
* Copyright (c) 2022 Jon Santmyer <jon@jonsantmyer.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "diargs.hpp"
#include <string_view>
#include <list>
namespace diargs
{
ArgumentParser::ArgumentParser(
void (*failfunc)(int),
ArgumentList &arguments,
ArgsPair argcv)
{
/*Raw c strings passed to string_view for safety*/
std::vector<std::string_view> argv(argcv.argc);
for(int arg = 0; arg < argcv.argc; arg++) {
argv[arg] = std::string_view(argcv.argv[arg]);
}
/*Skip the first argument because it will always be the path to the program*/
for(auto it = argv.begin() + 1; it != argv.end(); it++) {
if(it->at(0) == '-') { /*Argument could be shortform*/
if(it->at(1) == '-') { /*Argument is longform*/
std::string_view parsing = std::string_view(it->data() + 2);
if(parsing.size() == 0) continue;
for(auto &argdef : arguments.arguments) {
if(argdef->longform != parsing) continue;
auto newit = argdef->parse(argv, it);
if(newit == std::nullopt) {
failfunc(-1);
return;
}
it = newit.value_or(argv.end());
break;
}
continue;
}
std::string_view parsing = (*it);
for(char c : parsing) {
for(auto &argdef : arguments.arguments) {
if(argdef->shortform != c) continue;
auto newit = argdef->parse(argv, it);
if(newit == std::nullopt) {
failfunc(-1);
return;
}
it = newit.value_or(argv.end());
}
}
continue;
} /*When argument is unmarked, it's an ordered type*/
for(auto argit = arguments.arguments.begin();
argit != arguments.arguments.end();
argit++) {
if((*argit)->shortform != 0 || !(*argit)->longform.empty()) continue;
it = (*argit)->parse(argv, it).value_or(argv.end());
arguments.arguments.erase(argit);
break;
}
}
}
}
