122 lines
2.9 KiB
C
122 lines
2.9 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* parser_words.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: sede-san <sede-san@student.42madrid.com +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2026/02/13 21:29:44 by sede-san #+# #+# */
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/* Updated: 2026/02/14 03:34:38 by sede-san ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "parser.h"
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char **args_to_array(t_list **args, size_t argc);
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void command_clear_argv(t_command *command);
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/**
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* @brief Converts a list of arguments into an array.
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*
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* @param args The list of arguments to convert.
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* @param argc The number of arguments in the list.
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*
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* @return An array of arguments or `NULL` on error.
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*
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* @note The `args` list is cleared after the conversion and set to NULL.
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*/
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char **args_to_array(
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t_list **args,
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size_t argc
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)
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{
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char **argv;
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t_list *arg;
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size_t i;
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argv = (char **)malloc(sizeof(char *) * (argc + 1));
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if (argv == NULL)
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return (NULL);
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i = 0;
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arg = *args;
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while (arg != NULL)
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{
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argv[i] = (char *)arg->content;
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arg = arg->next;
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i++;
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}
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argv[i] = NULL;
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ft_lstclear_nodes(args);
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return (argv);
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}
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/**
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* @brief Adds all consecutive word tokens to a command's argv and updates its
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* argc accordingly.
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*
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* @param command The command to add the word tokens to.
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* @param tokens The list of tokens to add to the command.
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*/
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void words_add(
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t_list **tokens,
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t_command **command
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)
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{
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t_list *args;
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t_list *arg;
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t_token *token;
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args = NULL;
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arg = *tokens;
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token = (t_token *)arg->content;
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while (arg != NULL && token->type == TOKEN_WORD)
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{
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ft_lstadd_back(&args, ft_lstnew(ft_strdup(token->value)));
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(*command)->argc++;
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arg = arg->next;
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if (arg != NULL)
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token = (t_token *)arg->content;
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}
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*tokens = arg;
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(*command)->argv = args_to_array(&args, (*command)->argc);
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ft_lstclear_nodes(&args);
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}
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void command_clear_argv(
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t_command *command
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)
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{
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int i;
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if (command->argv != NULL)
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{
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i = 0;
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while (i < command->argc)
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{
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free(command->argv[i]);
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i++;
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}
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free(command->argv);
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command->argv = NULL;
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}
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}
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/**
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* @brief Clears a command, freeing all associated memory.
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*
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* @param command The command to clear.
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*/
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void command_clear(
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t_command *command
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)
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{
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if (command != NULL)
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{
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command_clear_argv(command);
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ft_lstclear(&command->redirections,
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(void (*)(void *))redirection_clear);
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ft_lstclear(&command->heredocs, (void (*)(void *))redirection_clear);
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free(command);
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}
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}
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