minishell/src/parser/remove_quotes/cmdgroup_remove_quotes.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   cmdgroup_remove_quotes.c                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/03/20 17:36:20 by khais             #+#    #+#             */
/*   Updated: 2025/03/21 18:33:43 by khais            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "remove_quotes.h"
#include "../cmdlist/cmdlist_item.h"

/*
** do quote removal on all words of this simple cmd
*/
static t_simple_cmd	*simple_cmd_remove_quotes(t_simple_cmd *cmd)
{
	t_wordlist	*new;
	t_worddesc	*result;
	t_worddesc	*current;

	if (cmd == NULL)
		return (NULL);
	new = NULL;
	current = wordlist_pop(&cmd->words);
	while (current != NULL)
	{
		result = remove_quotes(current);
		worddesc_destroy(current);
		if (result == NULL)
			return (NULL);
		new = wordlist_push(new, result);
		current = wordlist_pop(&cmd->words);
	}
	cmd->words = new;
	return (cmd);
}

/*
** do quote removal on all simple_cmds within this pipeline
*/
static t_pipeline	*pipeline_remove_quotes(t_pipeline *pipeline)
{
	int	i;

	if (pipeline == NULL)
		return (NULL);
	i = 0;
	while (i < pipeline->num_cmd)
	{
		if (simple_cmd_remove_quotes(pipeline->cmds[i]) == NULL)
			return (NULL);
		i++;
	}
	return (pipeline);
}

/*
** do quote removal on the contained pipeline or cmdgroup
*/
static t_cmdlist_item	*cmdlist_item_remove_quotes(t_cmdlist_item *item)
{
	if (item == NULL)
		return (NULL);
	if (item->type == TYPE_PIPELINE)
	{
		if (pipeline_remove_quotes(item->inner.pipeline) == NULL)
			return (NULL);
	}
	if (item->type == TYPE_CMDGROUP)
	{
		if (cmdgroup_remove_quotes(item->inner.cmdgroup) == NULL)
			return (NULL);
	}
	return (item);
}

/*
** iterate over all cmdlist_items within this cmdlist, and do quote removal on
** them
*/
static t_cmdlist	*cmdlist_remove_quotes(t_cmdlist *cmd)
{
	int	i;

	if (cmd == NULL)
		return (NULL);
	i = 0;
	while (i < cmd->num_cmd)
	{
		if (cmdlist_item_remove_quotes(cmd->cmds[i]) == NULL)
			return (NULL);
		i++;
	}
	return (cmd);
}

/*
** Iterate over all simple_cmd contained within this cmdgroup, and do quote
** removal on them.
*/
t_cmdgroup	*cmdgroup_remove_quotes(t_cmdgroup *cmd)
{
	if (cmd == NULL)
		return (NULL);
	if (cmdlist_remove_quotes(cmd->item) == NULL)
		return (NULL);
	return (cmd);
}