1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* tokenizer.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: chuhlig <chuhlig@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/06/28 20:55:50 by chuhlig #+# #+# */
/* Updated: 2024/08/05 13:45:55 by chuhlig ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
#include "token.h"
void print_token(t_token *token)
{
if (DEBUG)
{
if (token->type == STRING_TOKEN)
{
printf("STRING_TOKEN: %s\n", token->content.string);
}
else if (token->type == REDIR_TOKEN)
{
printf("REDIR_TOKEN: %d\n", token->content.redir_type);
}
else if (token->type == PIPE_TOKEN)
{
printf("PIPE_TOKEN\n");
}
else if (token->type == NEWLINE_TOKEN)
{
printf("NEWLINE_TOKEN\n");
}
}
}
void conditional_print(char *string, int start_of_string, int i,
t_token **token_list)
{
char *line;
int len;
len = i - start_of_string + 1;
if (len > 0)
{
line = (char *)malloc(len);
if (!line)
{
exit(EXIT_FAILURE);
}
ft_strncpy(line, string + start_of_string, len);
line[len - 1] = '\0';
while (*line == ' ' || *line == '\t')
line++;
if (*line != '\0')
{
*token_list = new_str_token(line, *token_list, NULL);
print_token(*token_list);
}
}
}
int symbol_checker(char *s, int i, t_token **token_list)
{
if ((s[i] == '<' || s[i] == '>') && s[i + 1] == s[i])
{
if (s[i] == '<')
*token_list = new_redir_token(INPUT_LIMITER, *token_list, NULL);
else
*token_list = new_redir_token(OUTPUT_APPEND, *token_list, NULL);
print_token(*token_list);
i++;
}
else
{
if (s[i] == '<')
*token_list = new_redir_token(INPUT_FILE, *token_list, NULL);
else if (s[i] == '|')
*token_list = new_token(PIPE_TOKEN, *token_list, NULL);
else if (s[i] == '\n')
*token_list = new_token(NEWLINE_TOKEN, *token_list, NULL);
else
*token_list = new_redir_token(OUTPUT_OVERRIDE, *token_list, NULL);
print_token(*token_list);
}
return (i);
}
int check_for_string(char *s, int i, int *start_of_string, t_token **token_list)
{
char quote_check;
int ignore_space;
ignore_space = 0;
quote_check = '\0';
if (ignore_space && s[i] == quote_check)
{
quote_check = '\0';
ignore_space = 0;
}
else if (!ignore_space && ft_strchr("\"\'", s[i]))
{
quote_check = s[i];
ignore_space = 1;
}
if ((!ignore_space && (s[i] == '\0' || s[i] == ' '
|| s[i] == '\t')) || i == ft_strlen(s) - 1)
{
if (s[i + 1] == '\0')
i++;
conditional_print(s, *start_of_string, i - 1, token_list);
*start_of_string = i + 1;
}
return (i);
}
void tokenizer(char *s, t_token **token_list)
{
int start_of_string;
int ignore_space;
int i;
char quote_check;
quote_check = '\0';
start_of_string = 0;
ignore_space = 0;
i = 0;
if (!s || !*s)
return ;
while (s && s[i])
{
if (!ignore_space && (s[i] == '|' || s[i] == '\n'
|| s[i] == '<' || s[i] == '>'))
{
i = symbol_checker(s, i, token_list);
start_of_string = i + 1;
}
else
{
i = check_for_string(s, i, &start_of_string, token_list);
}
i++;
}
}
|