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| author | Charles <sircharlesaze@gmail.com> | 2020-01-15 07:56:02 +0100 |
|---|---|---|
| committer | Charles <sircharlesaze@gmail.com> | 2020-01-15 08:49:32 +0100 |
| commit | 49ad59b0e773e92e93fb69ede889c781ca53e680 (patch) | |
| tree | 5ad230ddcc2198555e2b56ca84945809c137285d /src/ft_printf/convert.c | |
| parent | 5c6d9b3ba3e4946b2a527d10109f0e82284e64c5 (diff) | |
| download | libft-49ad59b0e773e92e93fb69ede889c781ca53e680.tar.gz libft-49ad59b0e773e92e93fb69ede889c781ca53e680.tar.bz2 libft-49ad59b0e773e92e93fb69ede889c781ca53e680.zip | |
Move *.o -> src/, *.h -> include/ and *.o -> build
Diffstat (limited to 'src/ft_printf/convert.c')
| -rw-r--r-- | src/ft_printf/convert.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/ft_printf/convert.c b/src/ft_printf/convert.c new file mode 100644 index 0000000..398c754 --- /dev/null +++ b/src/ft_printf/convert.c @@ -0,0 +1,122 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* printer.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2019/10/28 23:19:24 by cacharle #+# #+# */ +/* Updated: 2019/11/14 10:22:04 by cacharle ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include <unistd.h> +#include <stdlib.h> +#include <stdarg.h> +#include "libft.h" +#include "ft_vasprintf.h" + +char *convert(t_pformat *pformat, va_list ap) +{ + char *str; + + if (pformat == NULL) + return (NULL); + if (pformat->flags & FLAG_WIDTH_WILDCARD) + { + if (pformat->flags & FLAG_WIDTH_OVERWRITE) + (void)va_arg(ap, int); + else + pformat->width = va_arg(ap, int); + if (pformat->width < 0) + { + pformat->flags |= FLAG_MINUS; + pformat->width *= -1; + } + } + if (pformat->flags & FLAG_PRECISION_WILDCARD) + pformat->precision = va_arg(ap, int); + if ((str = convert_specifier(ap, pformat)) == NULL) + return (NULL); + return (str); +} + +char *convert_specifier(va_list ap, t_pformat *pformat) +{ + if (pformat->specifier == 'c') + return (convert_char(ap, pformat)); + if (pformat->specifier == 's') + return (convert_str(ap, pformat)); + if (pformat->specifier == 'p') + return (convert_ptr(ap, pformat)); + if (pformat->specifier == 'd' || pformat->specifier == 'i') + return (convert_int(ap, pformat)); + if (pformat->specifier == 'u') + return (convert_uint(ap, pformat)); + if (pformat->specifier == 'x') + return (convert_hex(ap, pformat)); + if (pformat->specifier == 'X') + return (convert_hex(ap, pformat)); + if (pformat->specifier == '%') + return (convert_percent(ap, pformat)); + if (pformat->specifier == 'n') + return (convert_written(ap, pformat)); + else + return (convert_none(ap, pformat)); + return (NULL); +} + +char *handle_width(t_pformat *pformat, char *str) +{ + char *tmp; + int len; + int i; + + if ((len = ft_strlen(str)) >= pformat->width) + return (str); + if ((tmp = (char*)malloc(sizeof(char) * (pformat->width + 1))) == NULL) + return (NULL); + if (pformat->flags & FLAG_MINUS) + { + i = len; + ft_strcpy(tmp, str); + while (i < pformat->width) + tmp[i++] = ' '; + tmp[i] = 0; + } + else + { + i = 0; + while (i <= pformat->width - len) + tmp[i++] = pformat->flags & FLAG_ZERO ? '0' : ' '; + ft_strcpy(tmp + i - 1, str); + } + free(str); + return (tmp); +} + +char *handle_precision(t_pformat *pformat, char *str) +{ + int len; + char *tmp; + + if (pformat == NULL || str == NULL) + return (NULL); + if (ft_strchr("diuxX", pformat->specifier) && pformat->precision >= 0) + pformat->flags &= ~FLAG_ZERO; + len = ft_strlen(str); + if (pformat->precision == 0 && str[0] == '0') + { + free(str); + return (ft_strdup("")); + } + if (!ft_strchr("diuxXp", pformat->specifier) || len >= pformat->precision) + return (str); + if ((tmp = (char*)malloc(sizeof(char) * (pformat->precision + 1))) == NULL) + return (NULL); + ft_strcpy(tmp + pformat->precision - len, str); + while (pformat->precision-- > len) + tmp[pformat->precision - len] = '0'; + free(str); + return (tmp); +} |
