71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_strdup_quotes.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2021/11/13 04:35:06 by lperrey #+# #+# */
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/* Updated: 2021/11/14 06:01:45 by lperrey ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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enum e_in_quote_state
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{
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NOT_IN = 0,
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IN_QUOTES = '\'',
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IN_DQUOTES = '\"'
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};
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static int quote_state_change(int *quote_state, const char *s);
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/* Duplicate a string minus the quoting characters ['] and ["]*/
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char *ft_strdup_quotes(const char *s)
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{
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unsigned int i;
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unsigned int i_dup;
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char *dup;
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int quote_state;
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dup = ft_calloc(ft_strlen(s) + 1, 1);
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if (!dup)
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return (NULL);
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i = 0;
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i_dup = 0;
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quote_state = 0;
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while (s[i])
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{
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while (quote_state_change("e_state, &s[i]))
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i++;
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if (s[i])
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dup[i_dup++] = s[i++];
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}
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return (dup);
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}
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static int quote_state_change(int *quote_state, const char *s)
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{
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if (s[0] == '\'' && *quote_state != IN_DQUOTES)
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{
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if (*quote_state == IN_QUOTES)
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*quote_state = 0;
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else if (ft_strchr(&s[1], '\'')) // if closed quotes
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*quote_state = IN_QUOTES;
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else
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return (0);
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return (1);
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}
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else if (s[0] == '\"' && *quote_state != IN_QUOTES)
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{
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if (*quote_state == IN_DQUOTES)
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*quote_state = 0;
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else if (ft_strchr(&s[1], '\"')) // if closed quotes
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*quote_state = IN_DQUOTES;
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else
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return (0);
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return (1);
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}
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return (0);
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}
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