89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* stream.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: mcolonna <mcolonna@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/10/02 14:08:10 by mcolonna #+# #+# */
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/* Updated: 2024/10/02 17:31:34 by mcolonna ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "stream.h"
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#include <stdlib.h>
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void read_expected_string(const char *str, t_stream *stream, bool *err)
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{
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int i;
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if (*err)
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return ;
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i = 0;
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while (str[i])
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{
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if (str[i] != stream->str[stream->i])
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{
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*err = true;
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return ;
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}
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i++;
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stream->i++;
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}
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return ;
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}
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/// @brief Check if a character is a digit.
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/// @param c Character to check.
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/// @return true if the character is a digit, false if not.
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/// false if the character is '\0'.
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static bool is_digit(char c)
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{
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return (c >= '0' && c <= '9');
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}
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void read_unsigned(unsigned int *dest, t_stream *stream, bool *err)
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{
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int r;
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if (*err)
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return ;
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if (!is_digit(stream->str[stream->i]))
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{
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*err = true;
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return ;
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}
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r = 0;
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while (is_digit(stream->str[stream->i]))
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{
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r = r * 10 + stream->str[stream->i] - '0';
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stream->i++;
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}
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*dest = r;
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}
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void read_until(char c, char **dest, t_stream *stream, bool *err)
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{
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int len;
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int i;
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if (*err)
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return ;
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len = 0;
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while (stream->str[stream->i + len] && stream->str[stream->i + len] != c)
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len++;
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*dest = malloc((len + 1) * sizeof(char));
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if (!*dest)
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{
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*err = true;
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return ;
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}
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i = 0;
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while (stream->str[stream->i] && stream->str[stream->i] != c)
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{
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(*dest)[i] = stream->str[stream->i];
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i++;
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stream->i++;
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}
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(*dest)[i] = '\0';
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}
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