| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | ** EPITECH PROJECT, 2024 | ||
| 3 | ** 42sh | ||
| 4 | ** File description: | ||
| 5 | ** The file containing the foreach builtin | ||
| 6 | */ | ||
| 7 | /** | ||
| 8 | * @file foreach.c | ||
| 9 | * @brief The file containing the foreach builtin | ||
| 10 | */ | ||
| 11 | |||
| 12 | #include "../../include/myshell.h" | ||
| 13 | |||
| 14 | /** | ||
| 15 | * @brief Get the content of the variable | ||
| 16 | * @param mysh The shell structure | ||
| 17 | * @return <b>char **</b> The content of the variable | ||
| 18 | */ | ||
| 19 | ✗ | char **get_variable_content(mysh_t *mysh) | |
| 20 | { | ||
| 21 | ✗ | char *variables = NULL; | |
| 22 | ✗ | char **variable_content = NULL; | |
| 23 | ✗ | int size = 0; | |
| 24 | |||
| 25 | ✗ | for (int index = 2; mysh->args[index] != NULL; index++) | |
| 26 | ✗ | size += my_strlen(mysh->args[index]); | |
| 27 | ✗ | variables = calloc(size, sizeof(char)); | |
| 28 | ✗ | my_strcpy(variables, mysh->args[2] + 1); | |
| 29 | ✗ | for (int index = 3; mysh->args[index] != NULL; index++) { | |
| 30 | ✗ | my_strcat(variables, mysh->args[index]); | |
| 31 | ✗ | if (mysh->args[index + 1] != NULL) | |
| 32 | ✗ | my_strcat(variables, " "); | |
| 33 | } | ||
| 34 | ✗ | variables[my_strlen(variables) - 1] = '\0'; | |
| 35 | ✗ | variable_content = STR2ARRAY_SEP(variables, " \t\n"); | |
| 36 | ✗ | free(variables); | |
| 37 | ✗ | return variable_content; | |
| 38 | } | ||
| 39 | |||
| 40 | /** | ||
| 41 | * @brief Check if the foreach command is valid | ||
| 42 | * @param mysh The shell structure | ||
| 43 | * @return <b>int</b> <u>0</u> if the variable is valid, <u>1</u> otherwise | ||
| 44 | */ | ||
| 45 | 3 | static int error_handling(mysh_t *mysh) | |
| 46 | { | ||
| 47 |
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3 | if (mysh->args[1] == NULL || mysh->args[2] == NULL) { |
| 48 | 3 | my_putstr_error("foreach: Too few arguments.\n"); | |
| 49 | 3 | return 1; | |
| 50 | } | ||
| 51 | ✗ | if (is_valid_variable(mysh->args[1], "foreach") == 0) | |
| 52 | ✗ | return 1; | |
| 53 | ✗ | for (int index = 2; mysh->args[index] != NULL; index++) { | |
| 54 | ✗ | if (my_str_contains(mysh->args[index], "(") == 0 | |
| 55 | ✗ | || my_str_contains(mysh->args[index], ")") == 0) { | |
| 56 | ✗ | my_putstr_error("foreach: Words not parenthesized.\n"); | |
| 57 | ✗ | return 1; | |
| 58 | } | ||
| 59 | } | ||
| 60 | ✗ | return 0; | |
| 61 | } | ||
| 62 | |||
| 63 | /** | ||
| 64 | * @brief Read the content of the foreach | ||
| 65 | * @param mysh The shell structure | ||
| 66 | * @param command_list The list of commands | ||
| 67 | * @return <b>int</b> <u>0</u> if the command succeed, <u>1</u> otherwise | ||
| 68 | */ | ||
| 69 | ✗ | static int read_input(mysh_t *mysh, node_t **command_list) | |
| 70 | { | ||
| 71 | ✗ | int size = 0; | |
| 72 | ✗ | char *line = NULL; | |
| 73 | ✗ | char **content = NULL; | |
| 74 | |||
| 75 | ✗ | while (size != EOF && (content == NULL || my_strcmp(content[0], "end"))) { | |
| 76 | ✗ | IS_ATTY_PRINT("foreach? "); | |
| 77 | ✗ | free_str_and_tab(line, NULL); | |
| 78 | ✗ | size = my_getline(&line, stdin); | |
| 79 | ✗ | set_command_in_history(mysh, line); | |
| 80 | ✗ | free_str_and_tab(NULL, content); | |
| 81 | ✗ | content = str_to_array_inhibitors(line); | |
| 82 | ✗ | if (line != NULL) | |
| 83 | ✗ | my_push_back(command_list, my_strdup(line), STRING); | |
| 84 | } | ||
| 85 | ✗ | if (size == EOF || (content != NULL && my_strcmp(content[0], "end"))) { | |
| 86 | ✗ | free_str_and_tab(line, content); | |
| 87 | ✗ | return 1; | |
| 88 | } | ||
| 89 | ✗ | free_str_and_tab(line, content); | |
| 90 | ✗ | return 0; | |
| 91 | } | ||
| 92 | |||
| 93 | /** | ||
| 94 | * @brief Execute the command | ||
| 95 | * @param mysh The shell structure | ||
| 96 | * @param command The command to execute | ||
| 97 | * @return <b>void</b> | ||
| 98 | */ | ||
| 99 | ✗ | void execute_command(mysh_t *mysh, char *command) | |
| 100 | { | ||
| 101 | ✗ | pid_t pid = fork(); | |
| 102 | |||
| 103 | ✗ | if (pid == 0) { | |
| 104 | ✗ | analyse_backticks(mysh, command); | |
| 105 | ✗ | my_exit(mysh, mysh->exit_status, NULL); | |
| 106 | } else | ||
| 107 | ✗ | waitpid(pid, &mysh->exit_status, 0); | |
| 108 | ✗ | } | |
| 109 | |||
| 110 | /** | ||
| 111 | * @brief The foreach builtin | ||
| 112 | * @param mysh The shell structure | ||
| 113 | * @return <b>int</b> <u>0</u> if the command succeed, <u>1</u> otherwise | ||
| 114 | */ | ||
| 115 | 3 | int exec_foreach(mysh_t *mysh) | |
| 116 | { | ||
| 117 | 3 | char **variable_content = NULL; | |
| 118 | 3 | node_t *command_list = NULL; | |
| 119 | |||
| 120 |
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3 | if (error_handling(mysh)) |
| 121 | 3 | return 1; | |
| 122 | ✗ | variable_content = get_variable_content(mysh); | |
| 123 | ✗ | if (read_input(mysh, &command_list)) { | |
| 124 | ✗ | my_putstr_error("foreach: end not found.\n"); | |
| 125 | ✗ | FREE_WORD_ARRAY(variable_content); | |
| 126 | ✗ | my_delete_list(&command_list); | |
| 127 | ✗ | return 1; | |
| 128 | } | ||
| 129 | ✗ | for (int index = 0; variable_content[index] != NULL; index++) { | |
| 130 | ✗ | add_variable(mysh, mysh->args[1], variable_content[index]); | |
| 131 | ✗ | for (node_t *tmp = command_list; tmp && tmp->next; tmp = tmp->next) | |
| 132 | ✗ | execute_command(mysh, (char *)tmp->data); | |
| 133 | } | ||
| 134 | ✗ | FREE_WORD_ARRAY(variable_content); | |
| 135 | ✗ | my_delete_list(&command_list); | |
| 136 | ✗ | return 0; | |
| 137 | } | ||
| 138 |