expander_utils.c

Go to the documentation of this file.

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   expander_utils.c                                   :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: baelgadi <baelgadi@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/12/06 17:35:44 by zotaj-di          #+#    #+#             */
/*   Updated: 2026/03/09 07:26:26 by baelgadi         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "token.h"
#include "libft.h"
 
int is_dollar_quote(t_token *token)
{
    if (!token->connected || !token->next)
        return (0);
    if (ft_strncmp(token->value, "$", 2) != 0)
        return (0);
    return (token->next->quote_type != QUOTE_NONE);
}
 
int is_var_char(char c)
{
    return (ft_isalnum(c) || c == '_');
}
 
char    *extract_var_name(char *str, int *len)
{
    int i;
 
    i = 0;
    if (str[0] && ft_isdigit(str[0]))
    {
        *len = 1;
        return (ft_substr(str, 0, 1));
    }
    while (str[i] && is_var_char(str[i]))
        i++;
    *len = i;
    return (ft_substr(str, 0, i));
}
 
char    *append_char(char *str, char c)
{
    char    *new_str;
    int     len;
    int     i;
 
    len = ft_strlen(str);
    new_str = ft_calloc(sizeof(char), len + 2);
    if (!new_str)
    {
        free(str);
        return (NULL);
    }
    i = 0;
    while (i < len)
    {
        new_str[i] = str[i];
        i++;
    }
    new_str[len] = c;
    new_str[len + 1] = '\0';
    free(str);
    return (new_str);
}
 
char    *append_str(char *s1, char *s2)
{
    char    *result;
 
    if (!s2)
        return (s1);
    result = ft_strjoin(s1, s2);
    free(s1);
    return (result);
}