From 57867bbbdc24b734d85f8d3569c7ad27dcd9504d Mon Sep 17 00:00:00 2001
From: Charles <sircharlesaze@gmail.com>
Date: Thu, 30 Jan 2020 15:52:16 +0100
Subject: files restructuration

---
 src/parse/parse.c | 142 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 src/parse/parse.c

(limited to 'src/parse/parse.c')

diff --git a/src/parse/parse.c b/src/parse/parse.c
new file mode 100644
index 0000000..f4b5b66
--- /dev/null
+++ b/src/parse/parse.c
@@ -0,0 +1,142 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   parse.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/11/15 09:29:21 by cacharle          #+#    #+#             */
+/*   Updated: 2020/01/30 12:03:54 by cacharle         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "cub3d.h"
+
+t_state	*parse(char *filename)
+{
+	int		i;
+	char	**lines;
+	t_state	*state;
+
+	if ((state = state_new_empty()) == NULL)
+		return (error_put_return("create empty state"));
+	if ((lines = get_file_lines(filename)) == NULL)
+		return (error_put_return_state_destroy("read .cub file", state));
+	i = -1;
+	while (lines[++i] != NULL)
+	{
+		if (*lines[i] == '1')
+			break ;
+		if (!parse_line(state, lines[i]))
+			return (error_put_return_lines_state_destroy(
+						"parse configuration", state, lines));
+	}
+	if ((state = parse_map(state, lines + i)) == NULL)
+		return (error_put_return_lines_state_destroy(
+					"parse map", state, lines));
+	helper_free_splited(lines);
+	return (state);
+}
+
+char	**get_file_lines(char *filename)
+{
+	int		fd;
+	int		ret;
+	char	buf[CUB3D_BUFFER_SIZE + 1];
+	char	*file;
+
+	if ((fd = open(filename, O_RDONLY)) < 0)
+		return (NULL);
+	if ((file = ft_strdup("")) == NULL)
+		return (NULL);
+	while ((ret = read(fd, buf, CUB3D_BUFFER_SIZE)) > 0)
+	{
+		buf[ret] = '\0';
+		if ((file = ft_strjoin(file, buf)) == NULL)
+			return (NULL);
+	}
+	if (ret == -1)
+		return (NULL);
+	close(fd);
+	return (ft_split(file, '\n'));
+}
+
+static t_option_parser	g_option_parsers[] =
+{
+	{"R", parse_resolution},
+	{"NO", parse_north_texture},
+	{"SO", parse_south_texture},
+	{"WE", parse_west_texture},
+	{"EA", parse_east_texture},
+	{"S", parse_sprite_texture},
+	{"F", parse_floor_color},
+	{"C", parse_ceilling_color}
+};
+
+#define OPTIONS_PARSERS_SIZE (sizeof(g_option_parsers) / sizeof(t_option_parser))
+
+t_bool	parse_line(t_state *state, char *line)
+{
+	int i;
+
+	if (!*line)
+		return (TRUE);
+	i = -1;
+	while (++i < (int)OPTIONS_PARSERS_SIZE)
+		if (ft_strncmp(g_option_parsers[i].id, line,
+				ft_strlen(g_option_parsers[i].id)) == 0)
+			return (g_option_parsers[i].func(
+					state, line + ft_strlen(g_option_parsers[i].id) + 1));
+	return (FALSE);
+}
+
+t_state	*parse_map(t_state *state, char **lines)
+{
+	int		i;
+
+	i = -1;
+	while (lines[++i] != NULL)
+		if (*lines[i] != '1')
+			return (NULL);
+	state->map_height = i;
+	if ((state->map = (t_map)malloc(sizeof(t_cell*) * i)) == NULL)
+		return (NULL);
+	state->map_width = ft_strcount(*lines, '1');
+	i = -1;
+	while (lines[++i] != NULL)
+		if ((state->map[i] = create_map_row(lines[i])) == NULL)
+			return (NULL);
+	return (state);
+}
+
+t_cell	*create_map_row(char *line)
+{
+	int		i;
+	t_cell	*row;
+
+	if ((row = (t_cell*)malloc(sizeof(t_cell) * ft_strlen(line))) == NULL)
+		return (NULL);
+	i = 0;
+	while (*line)
+	{
+		if (*line == '0' || *line == '1' || *line == '2')
+			row[i++] = *line - '0';
+		else if (*line == 'N')
+			row[i++] = CELL_LOOK_NORTH;
+		else if (*line == 'S')
+			row[i++] = CELL_LOOK_SOUTH;
+		else if (*line == 'W')
+			row[i++] = CELL_LOOK_WEST;
+		else if (*line == 'E')
+			row[i++] = CELL_LOOK_EAST;
+		else
+		{
+			free(row);
+			return (NULL);
+		}
+		line++;
+		while (*line == ' ')
+			line++;
+	}
+	return (row);
+}
-- 
cgit