90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* tools_wstr.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: klebon <klebon@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2018/05/23 19:48:06 by klebon #+# #+# */
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/* Updated: 2019/03/07 22:25:19 by tmaze ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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void handler_2oct_wstr(wint_t c, char *output, int *i)
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{
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output[(*i)++] = (c >> 6) + 0xC0;
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output[(*i)++] = (c & 0x3F) + 0x80;
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}
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void handler_3oct_wstr(wint_t c, char *output, int *i)
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{
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output[(*i)++] = (c >> 12) + 0xE0;
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output[(*i)++] = ((c >> 6) & 0x3F) + 0x80;
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output[(*i)++] = (c & 0x3F) + 0x80;
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}
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void handler_4oct_wstr(wint_t c, char *output, int *i)
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{
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output[(*i)++] = (c >> 18) + 0xF0;
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output[(*i)++] = ((c >> 12) & 0x3F) + 0x80;
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output[(*i)++] = ((c >> 6) & 0x3F) + 0x80;
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output[(*i)++] = (c & 0x3F) + 0x80;
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}
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void convert_wstr_to_str(const wint_t *str, char *output, t_conv *field)
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{
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int i;
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int j;
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int tmp;
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i = 0;
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j = 0;
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while (str[i] && j <= field->fl_prec)
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{
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tmp = j;
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if (j + 1 <= field->fl_prec
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&& (str[i] <= 0x7F || (MB_CUR_MAX == 1 && str[i] <= 0xFF)))
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output[j++] = (char)str[i];
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else if (j + 2 <= field->fl_prec && str[i] <= 0x7FF)
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handler_2oct_wstr(str[i], output, &j);
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else if (j + 3 <= field->fl_prec && str[i] <= 0xFFFF)
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handler_3oct_wstr(str[i], output, &j);
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else if (j + 4 <= field->fl_prec)
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handler_4oct_wstr(str[i], output, &j);
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++i;
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if (tmp == j)
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break ;
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}
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}
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char *handle_output_wstr(t_conv *field, va_list ap)
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{
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char *output;
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const wint_t *str;
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str = (wint_t *)va_arg(ap, const wint_t *);
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if (str == NULL)
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str = L"(null)";
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if (field->fl_prec != -1)
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{
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if (set_prec_size_wstr(str, field) == 0)
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return (NULL);
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}
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else
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{
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if ((field->str_size = ft_wstrlen(str)) == -1)
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return (NULL);
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}
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if (field->fl_prec == -1)
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field->fl_prec = field->str_size;
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if (field->fl_witdth > field->str_size)
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field->str_size += (field->fl_witdth - field->str_size);
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if (!(output = ft_strnew(field->str_size)))
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return (NULL);
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convert_wstr_to_str(str, output, field);
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ft_align_wstr(output, field);
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return (output);
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}
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