Caps files

8 files changed, 638 insertions, 0 deletions

diff --git a/src/c_init.c b/src/c_init.c
new file mode 100644
index 0000000..77d3023
--- /dev/null
+++ b/src/c_init.c
@@ -0,0 +1,149 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   u_init.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 <unistd.h>
+#include <stdlib.h>
+#include <libft.h>
+#include <signal.h>
+#include <term.h>
+
+#include "c_init.h"
+#include "c_keys.h"
+#include "c_input.h"
+#include "c_utils.h"
+#include "s_struct.h"
+#include "m_prompt.h"
+
+int16_t
+	c_set_term_raw(uint8_t mode)
+{
+	struct termios tios;
+
+	ft_memset(&tios, 0, sizeof(tios));
+	tcgetattr(STDIN_FILENO, &tios);
+	if (mode)
+	{
+		tios.c_lflag &= ~(ECHO | ICANON | ISIG);
+		tios.c_oflag &= ~(OPOST);
+		tios.c_cc[VMIN] = 1;
+		tios.c_cc[VTIME] = 0;
+	}
+	else
+	{
+		tios.c_lflag |= (ECHO | ICANON | ISIG);
+		tios.c_oflag |= (OPOST);
+	}
+	tcsetattr(STDIN_FILENO, TCSAFLUSH, &tios);
+	mode ? tputs(tgetstr("ns", NULL), 1, ft_putchar) : 0;
+	return (1);
+}
+
+static void
+	c_add_char(char **line, char *buf, t_caps *tcaps, t_msh *msh)
+{
+	*line = c_insert_char(*line, buf[0], tcaps);
+	tcaps->cpos++;
+	if ((((tcaps->cpos) + ft_strlen(msh->ps[tcaps->psx])) %
+		tcaps->ws.ws_col) == 0)
+	{
+		write(1, "\n\r", 2);
+		return ;
+	}
+	c_redraw_line(*line, tcaps, msh);
+}
+
+static int16_t
+	c_read_cap(char *buf, char *line, t_caps *tcaps, t_msh *msh)
+{
+	uint32_t plen;
+
+	plen = ft_strlen(msh->ps[tcaps->psx]);
+	if (((*((unsigned int *)buf)) == LEFT_K) ||
+		((*((unsigned int *)buf)) == CTRL_B))
+		return (c_key_left(plen, tcaps));
+	else if (((*((unsigned int *)buf)) == RIGHT_K) ||
+			((*((unsigned int *)buf)) == CTRL_F))
+		return (c_key_right(ft_strlen(line), plen, tcaps));
+	else if (((*((unsigned int *)buf)) == HOME_K) ||
+			((*((unsigned int *)buf)) == CTRL_A))
+		return (c_home_key(plen, tcaps));
+	else if (((*((unsigned int *)buf)) == END_K) ||
+			((*((unsigned int *)buf)) == CTRL_E))
+		return (c_end_key(ft_strlen(line), plen, tcaps));
+	else if ((*((unsigned int *)buf)) == CTRL_L)
+		return (c_ctrl_l(line, tcaps, msh));
+	else if ((*((unsigned int *)buf)) == CTRL_C)
+	{
+		msh->ret = 130;
+		return (1);
+	}
+	else
+		return (0);
+}
+
+static char
+	*c_process_key(char *buf, t_caps *tcaps, t_msh *msh)
+{
+	static char	*line = NULL;
+	int			i;
+
+	i = -1;
+	if (line == NULL)
+		if (!(line = ft_calloc(1, sizeof(char))))
+			return (NULL);
+	if (ft_isprint(buf[0]))
+		c_add_char(&line, buf, tcaps, msh);
+	else if ((*((unsigned int *)buf)) == DEL_K)
+	{
+		c_back_slash(&line, ft_strlen(msh->ps[tcaps->psx]), tcaps);
+		if ((((tcaps->cpos) + ft_strlen(msh->ps[tcaps->psx])) %
+			tcaps->ws.ws_col) == 0)
+		{
+			return (NULL);
+		}
+		c_redraw_line(line, tcaps, msh);
+	}
+	else
+	{
+		c_read_cap(buf, line, tcaps, msh);
+	}
+	return ((buf[0] == '\n') ? c_new_line(line, tcaps) : NULL);
+}
+
+int16_t
+	c_gnl(int32_t fd, char **line, uint8_t psx, t_msh *msh)
+{
+	t_caps	tcaps;
+	char	nread[5];
+
+	c_init_line(psx, &tcaps);
+	tputs(tgetstr("cr", NULL), 1, ft_putchar);
+	m_prompt_psx(psx, msh);
+	ft_bzero(nread, 5);
+	if (!(c_get_win_size(&tcaps.ws)))
+		return (-1);
+	while (!(ft_strchr(nread, '\n')))
+	{
+		if (msh->ret == 130)
+		{
+			*line = ft_strdup("\0");
+			return (1);
+		}
+		ft_bzero(nread, 5);
+		if (!(read(fd, nread, 4)))
+			return (0);
+		else
+			*line = c_process_key(nread, &tcaps, msh);
+		tputs(tgetstr("ve", NULL), 1, ft_putchar);
+	}
+	return (1);
+}
diff --git a/src/c_init.h b/src/c_init.h
new file mode 100644
index 0000000..e723563
--- /dev/null
+++ b/src/c_init.h
@@ -0,0 +1,49 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   c_init.h                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   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   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef C_INIT_H
+# define C_INIT_H
+
+# include <termios.h>
+# include <sys/ioctl.h>
+
+# include "s_struct.h"
+
+# define LEFT_K  0x445b1b
+# define RIGHT_K 0x435b1b
+# define HOME_K 0x485b1b
+# define END_K 0x7e345b1b
+# define DEL_K 0x7f
+# define RET_K 0x0d
+
+# define CTRL_A 0x01
+# define CTRL_B 0x02
+# define CTRL_C 0x03
+# define CTRL_D 0x04
+# define CTRL_E 0x05
+# define CTRL_F 0x06
+# define CTRL_L 0x0c
+
+typedef struct		s_caps
+{
+	struct termios	tios;
+	struct winsize	ws;
+	uint32_t		cpos;
+	uint32_t		lpos;
+	uint32_t		nlines;
+	uint8_t			psx;
+}					t_caps;
+
+int16_t				c_gnl(int32_t fd, char **line, uint8_t psx, t_msh *msh);
+int16_t				c_set_term_raw(uint8_t mode);
+
+#endif
diff --git a/src/c_input.c b/src/c_input.c
new file mode 100644
index 0000000..8fb4b72
--- /dev/null
+++ b/src/c_input.c
@@ -0,0 +1,92 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   c_input.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 <unistd.h>
+#include <stdlib.h>
+#include <libft.h>
+#include <signal.h>
+#include <term.h>
+
+#include "c_init.h"
+#include "c_keys.h"
+#include "c_input.h"
+#include "c_utils.h"
+#include "m_prompt.h"
+#include "m_loop.h"
+
+int16_t
+	c_init_line(uint8_t psx, t_caps *tcaps)
+{
+	char	*term;
+
+	if (tcaps)
+	{
+		term = getenv("TERM");
+		if (!tgetent(NULL, term))
+			return (-1);
+		c_set_term_raw(1);
+		signal(SIGINT, SIG_IGN);
+		tcaps->cpos = 0;
+		tcaps->lpos = 0;
+		tcaps->nlines = 1;
+		tcaps->psx = psx - 1;
+		return (1);
+	}
+	else
+		return (-1);
+}
+
+uint16_t
+	c_get_win_size(struct winsize *ws)
+{
+	if (!(ioctl(STDOUT_FILENO, TIOCGWINSZ, ws)))
+		return (-1);
+	if (!ws->ws_col)
+		ws->ws_col = 80;
+	if (!ws->ws_row)
+		ws->ws_row = 80;
+	return (1);
+}
+
+uint32_t
+	c_get_line_num(char *line, uint32_t cpos, uint32_t plen, t_caps *tcaps)
+{
+	uint32_t it;
+	uint32_t line_num;
+	uint32_t len;
+
+	it = 0;
+	line_num = 0;
+	tcaps->lpos = 1;
+	len = ft_strlen(line);
+	if ((len) < (tcaps->ws.ws_col - plen))
+		return (1);
+	while (it < len)
+	{
+		it += (it == 0) ? (tcaps->ws.ws_col - plen) : tcaps->ws.ws_col;
+		tcaps->lpos += (it < cpos) ? 1 : 0;
+		line_num++;
+	}
+	return (line_num);
+}
+
+int16_t
+	c_back_slash(char **line, uint32_t plen, t_caps *tcaps)
+{
+	if (tcaps->cpos >= 1)
+	{
+		*line = c_delchar(*line, tcaps->cpos);
+		c_key_left(plen, tcaps);
+		tputs(tgetstr("cd", NULL), 1, ft_putchar);
+	}
+	return (1);
+}
diff --git a/src/c_input.h b/src/c_input.h
new file mode 100644
index 0000000..f22166a
--- /dev/null
+++ b/src/c_input.h
@@ -0,0 +1,23 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   c_input.h                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   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   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef C_INPUT_H
+# define C_INPUT_H
+
+int16_t		c_back_slash(char **line, uint32_t plen, t_caps *tcaps);
+int16_t		c_ctrl_c(char *line, t_caps *tcaps, t_msh *msh);
+uint32_t	c_get_line_num(char *line, uint32_t cpos, uint32_t plen,
+			t_caps *tcaps);
+int16_t		c_init_line(uint8_t psx, t_caps *tcaps);
+uint16_t	c_get_win_size(struct winsize *ws);
+
+#endif
diff --git a/src/c_keys.c b/src/c_keys.c
new file mode 100644
index 0000000..e0f734c
--- /dev/null
+++ b/src/c_keys.c
@@ -0,0 +1,125 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   c_keys.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 <term.h>
+#include <libft.h>
+
+#include "c_init.h"
+#include "c_utils.h"
+#include "m_prompt.h"
+
+int16_t
+	c_ctrl_l(char *line, t_caps *tcaps, t_msh *msh)
+{
+	tputs(tgetstr("cl", NULL), 1, ft_putchar);
+	m_prompt_psx(1, msh);
+	c_redraw_line(line, tcaps, msh);
+	return (1);
+}
+
+int16_t
+	c_home_key(uint32_t plen, t_caps *tcaps)
+{
+	uint32_t	i;
+	int16_t		j;
+
+	i = tcaps->cpos;
+	j = tcaps->lpos;
+	if (tcaps->cpos > 0 && j > 0)
+	{
+		i = 0;
+		while (--j > 0)
+			tputs(tgetstr("up", NULL), 1, ft_putchar);
+		tputs(tgetstr("cr", NULL), 1, ft_putchar);
+		while (++i <= plen)
+			tputs(tgetstr("nd", NULL), 1, ft_putchar);
+	}
+	else if (i >= 1)
+	{
+		while (--i >= 0)
+			tputs(tgetstr("le", NULL), 1, ft_putchar);
+	}
+	tcaps->cpos = 0;
+	tcaps->lpos = 1;
+	return (1);
+}
+
+int16_t
+	c_end_key(uint16_t size, uint32_t plen, t_caps *tcaps)
+{
+	uint16_t i;
+	uint16_t j;
+
+	i = tcaps->cpos;
+	j = tcaps->lpos;
+	if ((tcaps->cpos < size) && (j < tcaps->nlines))
+	{
+		i = 0;
+		while (j < tcaps->nlines)
+		{
+			tputs(tgetstr("do", NULL), 1, ft_putchar);
+			i += tcaps->ws.ws_col;
+			j++;
+		}
+		tputs(tgetstr("cr", NULL), 1, ft_putchar);
+		while (i++ < (size + plen))
+			tputs(tgetstr("nd", NULL), 1, ft_putchar);
+	}
+	else
+		while (i++ < size)
+			tputs(tgetstr("nd", NULL), 1, ft_putchar);
+	tcaps->cpos = size;
+	tcaps->lpos = tcaps->nlines;
+	return (1);
+}
+
+int16_t
+	c_key_right(uint32_t len, uint32_t plen, t_caps *tcaps)
+{
+	if ((((tcaps->cpos + plen + 1) % (tcaps->ws.ws_col)) == 0) &&
+		tcaps->cpos < len)
+	{
+		tputs(tgetstr("do", NULL), 1, ft_putchar);
+		tputs(tgetstr("cr", NULL), 1, ft_putchar);
+		tcaps->cpos++;
+		tcaps->lpos++;
+	}
+	else if (tcaps->cpos < len)
+	{
+		tputs(tgetstr("nd", NULL), 1, ft_putchar);
+		tcaps->cpos++;
+	}
+	return (1);
+}
+
+int16_t
+	c_key_left(uint32_t plen, t_caps *tcaps)
+{
+	int32_t pos;
+
+	pos = -1;
+	if (((tcaps->cpos + plen) % tcaps->ws.ws_col) == 0 &&
+		tcaps->cpos >= 1)
+	{
+		tputs(tgetstr("up", NULL), 1, ft_putchar);
+		while (++pos <= tcaps->ws.ws_col)
+			tputs(tgetstr("nd", NULL), 1, ft_putchar);
+		tcaps->cpos--;
+		tcaps->lpos--;
+	}
+	else if (tcaps->cpos >= 1)
+	{
+		tputs(tgetstr("le", NULL), 1, ft_putchar);
+		tcaps->cpos--;
+	}
+	return (1);
+}
diff --git a/src/c_keys.h b/src/c_keys.h
new file mode 100644
index 0000000..12b17ee
--- /dev/null
+++ b/src/c_keys.h
@@ -0,0 +1,22 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   c_keys.h                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   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   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef C_KEYS_H
+# define C_KEYS_H
+
+int16_t c_key_right(uint32_t len, uint32_t plen, t_caps *tcaps);
+int16_t c_key_left(uint32_t plen, t_caps *tcaps);
+int16_t c_home_key(uint32_t plen, t_caps *tcaps);
+int16_t c_end_key(uint16_t size, uint32_t plen, t_caps *tcaps);
+int16_t c_ctrl_l(char *line, t_caps *tcaps, t_msh *msh);
+
+#endif
diff --git a/src/c_utils.c b/src/c_utils.c
new file mode 100644
index 0000000..043bd27
--- /dev/null
+++ b/src/c_utils.c
@@ -0,0 +1,155 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   c_utils.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 <stdlib.h>
+#include <term.h>
+#include <unistd.h>
+
+#include "c_init.h"
+#include "c_input.h"
+#include "m_prompt.h"
+#include "m_loop.h"
+#include "s_struct.h"
+
+char
+	*c_new_line(char *line, t_caps *tcaps)
+{
+	char *ret;
+	size_t i;
+
+	i = tcaps->lpos;
+	ret = NULL;
+	write(1, "\n", 1);
+	tputs(tgetstr("cr", NULL), 1, ft_putchar);
+	c_set_term_raw(0);
+	if (line != NULL)
+	{
+		ret = ft_strdup(line);
+		line[0] = '\0';
+	}
+	tcaps->cpos = 0;
+	tputs(tgetstr("cr", NULL), 1, ft_putchar);
+	if (i < tcaps->nlines && tcaps->nlines != 1)
+		while (i++ < tcaps->nlines)
+		{
+			write(1, "\n", 1);
+		}
+	return (ret);
+}
+
+char
+	*c_insert_char(char *str, char c, t_caps *tcaps)
+{
+	int32_t	i;
+	size_t	j;
+	size_t	len;
+	char	*dst;
+
+	i = -1;
+	j = 0;
+	len = (ft_strlen(str) + 2);
+	if (!(dst = (char*)malloc((len) * sizeof(char))))
+		return (NULL);
+	while (++i < (int32_t)len)
+	{
+		if (i == (int32_t)tcaps->cpos)
+			dst[i] = c;
+		else
+		{
+			dst[i] = str[j];
+			j++;
+		}
+	}
+	ft_memdel((void**)&str);
+	return (dst);
+}
+
+char
+	*c_delchar(char *str, uint16_t cpos)
+{
+	char		*dst;
+	uint16_t	i;
+	uint16_t	j;
+
+	j = 0;
+	i = 0;
+	if (!(dst = malloc((ft_strlen(str)) * sizeof(char))))
+		return (NULL);
+	cpos -= 1;
+	while (j < (ft_strlen(str) - 1))
+	{
+		if (i == cpos)
+			i++;
+		dst[j] = str[i];
+		i++;
+		j++;
+	}
+	ft_memdel((void**)&str);
+	dst[j] = '\0';
+	return (dst);
+}
+
+static int16_t
+	c_redraw_next(size_t plen, uint32_t len, t_caps *tcaps)
+{
+	uint32_t	i;
+	uint32_t	j;
+
+	i = (tcaps->nlines == tcaps->lpos) ? 0 :
+		tcaps->ws.ws_col * (tcaps->lpos - 1);
+	j = tcaps->nlines;
+	if (tcaps->nlines != tcaps->lpos)
+	{
+		while (--j > tcaps->lpos)
+			tputs(tgetstr("up", NULL), 1, ft_putchar);
+		tputs(tgetstr("up", NULL), 1, ft_putchar);
+		tputs(tgetstr("cr", NULL), 1, ft_putchar);
+		while (i < (tcaps->cpos + plen))
+		{
+			tputs(tgetstr("nd", NULL), 1, ft_putchar);
+			i++;
+		}
+	}
+	else
+		while (len > tcaps->cpos)
+		{
+			tputs(tgetstr("le", NULL), 1, ft_putchar);
+			len--;
+		}
+	return (len);
+}
+
+int16_t
+	c_redraw_line(char *line, t_caps *tcaps, t_msh *msh)
+{
+	uint32_t	i;
+	uint32_t	j;
+
+	tcaps->nlines = c_get_line_num(line, tcaps->cpos,
+		ft_strlen(msh->ps[tcaps->psx]), tcaps);
+	i = 0;
+	j = tcaps->lpos;
+	tputs(tgetstr("cr", NULL), 1, ft_putchar);
+	while (--j > 0)
+	{
+		tputs(tgetstr("sf", NULL), 1, ft_putchar);
+		tputs(tgetstr("up", NULL), 1, ft_putchar);
+		tputs(tgetstr("up", NULL), 1, ft_putchar);
+	}
+	while (i++ < ft_strlen(msh->ps[tcaps->psx]))
+		tputs(tgetstr("nd", NULL), 1, ft_putchar);
+	ft_printf("%s", line);
+	return ((tcaps->cpos != ft_strlen(line)) ?
+		c_redraw_next(ft_strlen(msh->ps[tcaps->psx]), ft_strlen(line), tcaps) :
+		ft_strlen(line));
+}
diff --git a/src/c_utils.h b/src/c_utils.h
new file mode 100644
index 0000000..730d29a
--- /dev/null
+++ b/src/c_utils.h
@@ -0,0 +1,23 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   c_utils.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   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef C_UTILS_H
+# define C_UTILS_H
+
+# include "s_struct.h"
+
+char		*c_new_line(char *line, t_caps *tcaps);
+char		*c_insert_char(char *str, char c, t_caps *tcaps);
+char		*c_delchar(char *str, uint16_t cpos);
+int16_t		c_redraw_line(char *line, t_caps *tcaps, t_msh *msh);
+
+#endif