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src/parser/lexer.c

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+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   lexer.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: sede-san <sede-san@student.42madrid.com    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/02/09 18:56:41 by sede-san          #+#    #+#             */
+/*   Updated: 2026/02/09 20:42:50 by sede-san         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "core.h"
+#include "parser.h"
+
+static t_token *tokenize(const char *line, size_t *start);
+static t_token_type get_token_type(const char *str);
+
+t_list  *lex(
+	const char *line
+) {
+	t_list  *tokens;
+	t_token *token;
+	size_t  i;
+
+	tokens = NULL;
+	i = 0;
+	while (line[i] != '\0')
+	{
+		// ignore spaces
+		while (ft_isspace(line[i]))
+			i++;
+		// create token
+		token = tokenize(line, &i);
+		// add token to list
+		if (token != NULL)
+			ft_lstadd_back(&tokens, ft_lstnew(token));
+	}
+	return (tokens);
+}
+
+static t_token *tokenize(const char *line, size_t *start) {
+	t_token         *token;
+	t_token_type    type;
+	
+	token = NULL;
+	if (line == NULL || line[*start] == '\0')
+		return (NULL);
+	type = get_token_type(line + *start);
+	(void)type;
+	// if (type != TOKEN_WORD)
+	// 	token = token_new(type, NULL);
+	// else
+	// 	token = read_word(line, start);
+	// if (token == NULL)
+	// 	(*start) += ft_strlen(token->value);
+	return (token);
+}
+
+static t_token_type	get_token_type(const char *str)
+{
+	size_t						i;
+	static const t_map_entry	tokens[TOKENS_COUNT] = {
+	{PIPE_STR, (void *)TOKEN_PIPE},
+	{REDIRECT_IN_STR, (void *)TOKEN_REDIRECT_IN},
+	{REDIRECT_OUT_STR, (void *)TOKEN_REDIRECT_OUT},
+	{APPEND_STR, (void *)TOKEN_APPEND},
+	{HEREDOC_STR, (void *)TOKEN_HEREDOC}
+	};
+
+	i = 0;
+	while (i < TOKENS_COUNT)
+	{
+		if (ft_strcmp(str, tokens[i].key) == 0)
+			return ((t_token_type)tokens[i].value);
+		i++;
+	}
+	return (TOKEN_WORD);
+}