diff options
Diffstat (limited to 'src/m_loop.c')
-rw-r--r-- | src/m_loop.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/m_loop.c b/src/m_loop.c new file mode 100644 index 0000000..fe3fbcd --- /dev/null +++ b/src/m_loop.c @@ -0,0 +1,126 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* m_loop.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/02/14 17:19:27 by rbousset #+# #+# */ +/* Updated: 2020/02/14 17:19:29 by rbousset ### ########lyon.fr */ +/* */ +/* ************************************************************************** */ + +#include <libft.h> +#include <stdint.h> +#include <stdlib.h> +#include <unistd.h> + +#include "e_lcom.h" +#include "m_prompt.h" +#include "p_line.h" +#include "s_lcom.h" + + +static char + *strjoin_m(char *s1, + char *s2, + uint8_t mode) +{ + size_t i; + size_t j; + size_t size1; + size_t size2; + char *dst; + + i = -1; + j = -1; + size1 = ft_strlen(s1); + size2 = ft_strlen(s2) + 1; + if (!(dst = (char*)malloc((size1 + size2 + 2) * sizeof(char)))) + return (NULL); + while (++i < size1) + dst[i] = s1[i]; + (mode == 0) ? dst[i++] = '\n' : 0; + while (++j < size2) + dst[i + j] = s2[j]; + dst[i + j] = '\0'; + (mode == 0) ? ft_memdel((void*)&s1) : ft_memdel((void*)&s2); + return (dst); +} + +void + m_loop_cont(t_msh *msh, + char *line, + char *quote, + int8_t gnl) +{ + char *prog; + char *buf; + char *fin; + + if (!(prog = ft_calloc(ft_strlen(line) + 1, sizeof(char))) || + !(buf = ft_strdup(line + (quote - line) + 1))) + return ; + ft_memcpy(prog, line, (quote - line)); + while (gnl > 0 && ((!(quote = ft_strrchr(buf, '\"'))) && + (!(quote = ft_strrchr(buf, '\''))))) + { + m_cont_prompt(); + gnl = get_next_line(STDIN_FILENO, &line); + buf = strjoin_m(buf, line, 0); + ft_memdel((void*)&line); + } + fin = ft_strtrim(buf, "\"'"); + ft_memdel((void*)&buf); + fin = (ft_strrchr(fin, '\'')) ? ft_strsubst(fin, "\'", "") : fin; + fin = strjoin_m(prog, fin, 1); + p_line(fin, msh); + ft_memdel((void*)&prog); + ft_memdel((void*)&fin); + e_lcom(msh); + lcom_clear(&msh->curr); +} + +uint8_t + m_loop(t_msh *msh) +{ + char *line; + char *quote; + int8_t gnl; + int32_t pipefd[2]; + + gnl = 1; + pipefd[0] = STDOUT_FILENO; + pipefd[1] = STDIN_FILENO; + while (gnl > 0) + { + m_prompt(msh); + gnl = get_next_line(STDIN_FILENO, &line); + if (line[0] != '\0') + { + if (!(quote = ft_strchr(line, '\'')) && !(quote = ft_strchr(line, '\"'))) + { + p_line(line, msh); + ft_memdel((void*)&line); + e_lcom(msh); + lcom_clear(&msh->curr); + } + else + { + m_loop_cont(msh, line, quote, 1); + if (line != NULL) + ft_memdel((void*)&line); + } + /* TODO: (null): Bad address on "msh ~> echo a > asd; cat < asd" but not on "msh ~> echo a > asd; cat asd" */ + /* TODO: GNL 25 leak on "msh ~> exit" | gl hf */ + /* TODO: "msh ~> some command \": re GNL into ft_nrealloc */ + /* TODO: the chad pipes | */ + /* TODO: a histfile would be nice */ + } + else + { + ft_memdel((void*)&line); + } + } + return (msh->ret); +} |