diff options
Diffstat (limited to 'src/io/ft_printf/internals/extract.c')
| -rw-r--r-- | src/io/ft_printf/internals/extract.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/io/ft_printf/internals/extract.c b/src/io/ft_printf/internals/extract.c new file mode 100644 index 0000000..c56a777 --- /dev/null +++ b/src/io/ft_printf/internals/extract.c @@ -0,0 +1,98 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* extract.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2019/10/29 00:10:36 by cacharle #+# #+# */ +/* Updated: 2019/11/10 10:33:33 by cacharle ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "ft_vasprintf.h" + +const char *extract_flags(t_pformat *pformat, const char *fmt) +{ + if (*fmt == '\0') + return (fmt); + while (ft_strchr(FLAGS_STR, *fmt) != NULL) + { + if (*fmt == '0') + pformat->flags |= FLAG_ZERO; + if (*fmt == '-') + pformat->flags |= FLAG_MINUS; + if (*fmt == '+') + pformat->flags |= FLAG_SIGNED; + if (*fmt == ' ') + pformat->flags |= FLAG_SPACE; + if (*fmt == '#') + pformat->flags |= FLAG_ALTERNATE; + if (*fmt == '\'') + ; + fmt++; + } + if (pformat->flags & FLAG_SIGNED) + pformat->flags &= ~FLAG_SPACE; + return (fmt); +} + +const char *extract_width(t_pformat *pformat, const char *fmt) +{ + if (*fmt == '\0') + return (fmt); + if (*fmt == '*') + { + pformat->flags |= FLAG_WIDTH_WILDCARD; + fmt++; + } + if (!ft_isdigit(*fmt)) + return (fmt); + pformat->width = ft_atoi(fmt); + while (*fmt && ft_isdigit(*fmt)) + fmt++; + if (pformat->flags & FLAG_WIDTH_WILDCARD) + pformat->flags |= FLAG_WIDTH_OVERWRITE; + return (fmt); +} + +const char *extract_precision(t_pformat *pformat, const char *fmt) +{ + if (*fmt == '\0' || *fmt != '.') + return (fmt); + fmt++; + if (*fmt == '*') + { + pformat->flags |= FLAG_PRECISION_WILDCARD; + fmt++; + } + pformat->precision = ft_atoi(fmt); + while (*fmt && ft_isdigit(*fmt)) + fmt++; + return (fmt); +} + +const char *extract_length_modifier(t_pformat *pformat, const char *fmt) +{ + if (fmt[0] && fmt[0] == 'l') + { + if (fmt[1] && fmt[1] == 'l') + { + pformat->flags |= FLAG_LONG_LONG; + return (fmt + 2); + } + pformat->flags |= FLAG_LONG; + return (fmt + 1); + } + if (fmt[0] && fmt[0] == 'h') + { + if (fmt[1] && fmt[1] == 'h') + { + pformat->flags |= FLAG_SHORT_SHORT; + return (fmt + 2); + } + pformat->flags |= FLAG_SHORT; + return (fmt + 1); + } + return (fmt); +} |