62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2021 microDev
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/mphal.h"
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#include "shared/readline/readline.h"
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#include "shared-module/getpass/__init__.h"
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mp_obj_t shared_module_getpass_getpass(const char *prompt, mp_print_t *print) {
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vstr_t vstr;
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vstr_init(&vstr, 16);
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if (print == NULL) {
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mp_hal_stdout_tx_str(prompt);
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} else {
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mp_printf(print, prompt);
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}
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for (;;) {
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int c = mp_hal_stdin_rx_chr();
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if (c == CHAR_CTRL_C) {
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mp_raise_type(&mp_type_KeyboardInterrupt);
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} else if (c == CHAR_CTRL_D && vstr.len == 0) {
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mp_raise_type(&mp_type_EOFError);
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} else if (c == 8 || c == 127) {
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// backspace
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vstr_cut_tail_bytes(&vstr, 1);
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} else if (c >= 32) {
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// printable character
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vstr_ins_char(&vstr, vstr.len, c);
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} else if (c == '\r') {
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// newline
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mp_hal_stdout_tx_str("\r\n");
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break;
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}
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}
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return mp_obj_new_str_from_vstr(&vstr);
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}
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