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-rw-r--r--src/m_loop.c126
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);
+}