lexer_category_utils.c

Bu dosyanın dokümantasyonuna git.

#include "../../include/minishell.h"
#include <stdlib.h> // free
 
t_quote_type    assess_quote_type(char c)
{
    t_quote_type    q_type;
 
    if (c == '\'')
        q_type = QUOTE_SINGLE;
    else if (c == '"')
        q_type = QUOTE_DOUBLE;
    else
        q_type = QUOTE_NONE;
    return (q_type);
}
 
int handle_quote(t_shell *shell, int i)
{
    char            q;
    t_quote_type    q_type;
    int             start;
    int             len;
    char            *content;
 
    q = shell->cmd_line[i];
    q_type = assess_quote_type(shell->cmd_line[i]);
    start = i + 1;
    len = 0;
    while (shell->cmd_line[start + len] && shell->cmd_line[start + len] != q)
        len++;
    if (!shell->cmd_line[start + len])
    {
        // TODO: Hata mesajı bastır
        return (-1);
    }
    content = ft_substr(shell->cmd_line, start, len);
    if (!content)
        return (-1);
    if (!append_token(shell, TOKEN_WORD, content, q_type))
    {
        free(content);
        return (-1);
    }
    free(content);
    return (len + 2);
}
 
int handle_word(t_shell *shell, int i)
{
    char    *content;
    int     len;
 
    len = 0;
    while (!is_delimiter(shell->cmd_line[i + len]))
        len++;
    content = ft_substr(shell->cmd_line, i, len);
    if (!content)
    {
        // TODO: Hata mesajı yazdır.
        return (-1);
    }
    if (!append_token(shell, TOKEN_WORD, content, QUOTE_NONE))
    {
        free(content);
        return (-1);
    }
    free(content);
    return (len);
}
 
t_char_category assess_char_category(char c)
{
    if (c == '\'' || c == '"')
        return (CHAR_CATEGORY_QUOTE);
    else if (ft_strchr("|<>(&)", c))
        return (CHAR_CATEGORY_OPERATOR);
    else
        return (CHAR_CATEGORY_WORD);
}
 
int category_dispatcher(t_shell *shell, t_char_category category, int i)
{
    if (category == CHAR_CATEGORY_OPERATOR)
        return (handle_operator(shell, i));
    else if (category == CHAR_CATEGORY_QUOTE)
        return (handle_quote(shell, i));
    else if (category == CHAR_CATEGORY_WORD)
        return (handle_word(shell, i));
    return (-1);
}