/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   fill_token.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/10/19 08:38:55 by lperrey           #+#    #+#             */
/*   Updated: 2021/10/30 22:35:01 by lperrey          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

int	check_operators(t_token *t, char *input, int *i, int *t_i);

enum	e_in_quote_state
{
	NOT_IN = 0,
	IN_QUOTES = '\'',
	IN_DQUOTES = '\"'
};

int	fill_token(t_token *t, char *input, int *i, int *t_i)
{
	static int	in_quotes = 0;

	// operators
	if (!in_quotes)
	{
		if (check_operators(t, input, i, t_i) == DELIMITE_TOKEN)
			return (DELIMITE_TOKEN);
	}
	// quoting
	if (input[*i] == '\'' && in_quotes != IN_DQUOTES)
	{
		t->content[(*t_i)++] = input[(*i)++];
		if (in_quotes == IN_QUOTES)
			in_quotes = 0;
		else if (ft_strchr(&input[*i], '\'')) // if closed quotes
			in_quotes = IN_QUOTES;
		return (CONTINUE_TOKEN);
	}
	else if (input[*i] == '\"' && in_quotes != IN_QUOTES)
	{
		t->content[(*t_i)++] = input[(*i)++];
		if (in_quotes == IN_DQUOTES)
			in_quotes = 0;
		else if (ft_strchr(&input[*i], '\"')) // if closed dquotes
			in_quotes = IN_DQUOTES;
		return (CONTINUE_TOKEN);
	}
	// blanks
	if (!in_quotes && (input[*i] == ' ' || input[*i] == '\t'))
	{
		while (input[*i] == ' ' || input[*i] == '\t')
			(*i)++;
		return (DELIMITE_TOKEN);
	}
	else
		t->content[(*t_i)++] = input[(*i)++];
	return (CONTINUE_TOKEN);
}

/* 
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_03
1 - OK
2 - OK
3 - OK
4 - OK
5 - OK / SEMI-OSEF
6 - OK
7 - OK
8 - OK
9 - OSEF
10 - OK

*/