110 lines
2.6 KiB
C
110 lines
2.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* env_fill.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: cchauvet <cchauvet@student.42angoulem +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/02/16 16:29:08 by cchauvet #+# #+# */
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/* Updated: 2023/02/20 15:39:28 by starnakin ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "./env_private.h"
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#include "env.h"
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static char *ft_getkey(const char *str)
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{
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size_t i;
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char *key;
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if (ft_strncmp(str, "$$", 2) == 0)
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key = ft_strdup("$");
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else if (ft_strncmp(str, "$?", 2) == 0)
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key = ft_strdup("?");
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else if (str[1] == '\0')
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key = ft_strdup("");
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else
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{
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i = 1;
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while (str[i] != '\0' && !ft_is_in("$?\'\"", str[i]))
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i++;
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key = ft_strndup(str + 1, i - 1);
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}
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if (key == NULL)
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ft_eprintf("minishell: malloc failed\n");
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return (key);
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}
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static char *ft_getvalue(t_data *data, char *key)
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{
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char *value;
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if (ft_strcmp(key, "?") == 0)
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value = ft_itoa(data->exit_code);
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else if (ft_strcmp(key, "$") == 0)
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value = ft_strdup("PID");
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else if (key[0] == '\0')
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value = ft_strdup("$");
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else
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{
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value = get_value_by_key(key, data->env);
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if (value == NULL)
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value = ft_strdup("");
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else
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value = ft_strdup(value);
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}
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if (value == NULL)
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ft_eprintf("minishell: malloc failed\n");
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return (value);
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}
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static char *ft_getvalue_by_str(t_data *data, const char *str,
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size_t *key_len)
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{
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char *key;
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char *value;
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key = ft_getkey(str);
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if (key == NULL)
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return (NULL);
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*key_len = ft_strlen(key) + 1;
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value = ft_getvalue(data, key);
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free(key);
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return (value);
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}
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char *ft_env_filler(t_data *data, const char *str)
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{
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char *out;
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char *temp;
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char *value;
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size_t key_len;
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size_t i;
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out = ft_strdup(str);
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if (out == NULL)
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return (NULL);
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i = 0;
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while (out[i] != '\0')
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{
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while (ft_is_in_quote(out, i) == 1)
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i++;
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while (out[i] == '$')
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{
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value = ft_getvalue_by_str(data, out + i, &key_len);
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if (value == NULL)
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return (NULL);
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temp = ft_strreplace(out, value, i, key_len + i);
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i = i + ft_strlen(value);
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free(out);
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free(value);
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if (temp == NULL)
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return (NULL);
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out = temp;
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}
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i++;
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}
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return (out);
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}
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