command.hh

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/* ========================================================================== *
 *
 * @file flox/core/command.hh
 *
 * @brief Executable command helpers, argument parsers, etc.
 *
 *
 * -------------------------------------------------------------------------- */
 
#pragma once
 
#include <memory>
#include <string>
#include <string_view>
 
#include <argparse/argparse.hpp>
#include <nix/flake/flakeref.hh>
 
#include "flox/core/exceptions.hh"
#include "flox/core/nix-state.hh"
#include "flox/core/types.hh"
#include "flox/core/util.hh"
#include "flox/registry.hh"
 
 
/* -------------------------------------------------------------------------- */
 
namespace flox::command {
 
/* -------------------------------------------------------------------------- */
 
struct VerboseParser : public argparse::ArgumentParser
{
  explicit VerboseParser( const std::string & name,
                          const std::string & version = "0.1.0" );
}; /* End struct `VerboseParser' */
 
 
/* -------------------------------------------------------------------------- */
 
class InlineInputMixin : virtual public NixState
{
 
private:
 
  RegistryInput registryInput;
 
protected:
 
  void
  parseFlakeRef( const std::string & flakeRef )
  {
    this->registryInput.from
      = std::make_shared<nix::FlakeRef>( flox::parseFlakeRef( flakeRef ) );
  }
 
 
public:
 
  argparse::Argument &
  addSubtreeArg( argparse::ArgumentParser & parser );
  argparse::Argument &
  addFlakeRefArg( argparse::ArgumentParser & parser );
 
  [[nodiscard]] const RegistryInput &
  getRegistryInput()
  {
    return this->registryInput;
  }
 
}; /* End struct `InlineInputMixin' */
 
 
/* -------------------------------------------------------------------------- */
 
struct AttrPathMixin
{
 
  flox::AttrPath attrPath;
 
  argparse::Argument &
  addAttrPathArgs( argparse::ArgumentParser & parser );
 
  void
  fixupAttrPath();
 
}; /* End struct `AttrPathMixin' */
 
 
/* -------------------------------------------------------------------------- */
 
FLOX_DEFINE_EXCEPTION( InvalidArgException, EC_INVALID_ARG, "invalid argument" )
/* -------------------------------------------------------------------------- */
 
}  // namespace flox::command
 
 
/* -------------------------------------------------------------------------- *
 *
 *
 *
 * ========================================================================== */