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Refactor/fix: rename a function, add 'CTRL + L' key management
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122 changes: 122 additions & 0 deletions
122
src/prompt_function/prompt_engine/char_stream_formatting.c
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| /** | ||
| * Copyright (C) 2023 hugo | ||
| * | ||
| * This file is part of TekSH. | ||
| * | ||
| * TekSH is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * TekSH is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with TekSH. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| #include "shell.h" | ||
|
|
||
| int32_t | ||
| set_error_message(shell_t *shell, char first_char, char special_char, char *context) | ||
| { | ||
| uint32_t len_context = _strlen(context); | ||
|
|
||
| if (special_char == '|' || first_char == '|') { | ||
| EXIT_W_ECHO_ERROR_("Invalid null command.", 1); | ||
| } | ||
| if (first_char == '&') { | ||
| EXIT_W_ECHO_ERROR_("Invalid null command.", 1); | ||
| } | ||
| if (context[len_context - 1] == '&' && context[len_context - 2] == '&') { | ||
| EXIT_W_ECHO_ERROR_("Invalid null command.", 1); | ||
| } | ||
| if (special_char == '>' || special_char == '<' | ||
| || first_char == '>' || first_char == '<') { | ||
| EXIT_W_ECHO_ERROR_("Missing name for redirect.", 1); | ||
| } | ||
| return 0; | ||
| } | ||
|
|
||
| int32_t | ||
| check_the_validity_of_brackets(char *command, shell_t *shell) | ||
| { | ||
| uint32_t count_open_brackets = DEFAULT(count_open_brackets); | ||
| uint32_t count_closing_brackets = DEFAULT(count_closing_brackets); | ||
|
|
||
| for (uint32_t i = 0; command[i]; i++) { | ||
| if (command[i] == '(') | ||
| ++count_open_brackets; | ||
| if (command[i] == ')') | ||
| ++count_closing_brackets; | ||
| } | ||
| if (count_open_brackets > count_closing_brackets) { | ||
| EXIT_W_ECHO_ERROR_("teksh : syntax error near `('", 1); | ||
| } else if (count_open_brackets < count_closing_brackets) { | ||
| EXIT_W_ECHO_ERROR_("teksh : syntax error near `)'", 1); | ||
| } | ||
| return 0; | ||
| } | ||
|
|
||
| char * | ||
| formatting_brackets(char *command) | ||
| { | ||
| int length = strlen(command); | ||
| int newLength = length; | ||
| char *result = NULL; | ||
| int j = 0; | ||
|
|
||
| for (int i = 0; i < length; i++) { | ||
| if (command[i] == '(' || command[i] == ')') { | ||
| newLength++; // adding 1 for each space after '(' or before ')' | ||
| } | ||
| } | ||
|
|
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| result = (char *)malloc(newLength + 1); // allocating memory for the new string | ||
|
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| for (int i = 0; i < length; i++) { | ||
| if (command[i] == '(') { | ||
| result[j++] = command[i]; | ||
| result[j++] = ' '; | ||
| } else if (command[i] == ')') { | ||
| result[j++] = ' '; | ||
| result[j++] = command[i]; | ||
| } else { | ||
| result[j++] = command[i]; | ||
| } | ||
| } | ||
|
|
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| result[j] = '\0'; | ||
| return result; | ||
|
|
||
| } | ||
|
|
||
| bool | ||
| char_stream_formatting(shell_t *shell, char **command) | ||
| { | ||
| unsigned char first_char = DEFAULT(first_char); | ||
| unsigned char last_char = DEFAULT(last_char); | ||
|
|
||
| remove_backslash_n(*command); | ||
| delete_spaces_tabulations(*command); | ||
| replace_multiple_spaces_tabulations(*command); | ||
| del_space_end_str(*command); | ||
| (*command) = formatting_brackets(*command); | ||
| delete_semicolon_end(*command); | ||
| first_command_is_misplaced(*command, &first_char); | ||
| last_character_not_space_or_tabulation(*command, &last_char); | ||
| if (check_the_validity_of_brackets(*command, shell)) | ||
| return true; | ||
|
|
||
| if (_strcmp(*command, "&&") == 0) | ||
| return true; | ||
| if (set_error_message(shell, first_char, last_char, *command) | ||
| || find_shell_inconsistency(*command, shell) | ||
| || check_the_validity_of_brackets(*command, shell)) | ||
| return true; | ||
| if (*command == NULL || *command[0] == '\0') | ||
| return true; | ||
| return false; | ||
| } |
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