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103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
/*
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* uuid-console - Microcontroller console shell
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* Copyright 2019 Simon Arlott
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <uuid/console.h>
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#include <Arduino.h>
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#include <stdarg.h>
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#include <string>
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namespace uuid {
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namespace console {
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size_t Shell::print(const std::string & data) {
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if (data.empty()) {
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return 0;
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} else {
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return write(reinterpret_cast<const uint8_t *>(data.c_str()), data.length());
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}
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}
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size_t Shell::println(const std::string & data) {
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size_t len = print(data);
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len += println();
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return len;
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}
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size_t Shell::printf(const char * format, ...) {
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va_list ap;
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va_start(ap, format);
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size_t len = vprintf(format, ap);
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va_end(ap);
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return len;
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}
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size_t Shell::printfln(const char * format, ...) {
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va_list ap;
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va_start(ap, format);
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size_t len = vprintf(format, ap);
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va_end(ap);
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len += println();
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return len;
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}
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size_t Shell::vprintf(const char * format, va_list ap) {
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size_t print_len = 0;
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va_list copy_ap;
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va_copy(copy_ap, ap);
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int format_len = ::vsnprintf(nullptr, 0, format, ap);
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if (format_len > 0) {
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std::string text(static_cast<std::string::size_type>(format_len), '\0');
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::vsnprintf(&text[0], text.capacity() + 1, format, copy_ap);
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print_len = print(text);
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}
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va_end(copy_ap);
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return print_len;
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}
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void Shell::print_all_available_commands() {
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for (auto & available_command : available_commands()) {
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CommandLine command_line{available_command.name(), available_command.arguments()};
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command_line.escape_initial_parameters(available_command.name().size());
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println(command_line.to_string(maximum_command_line_length()));
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}
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}
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void Shell::erase_current_line() {
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print("\033[0G\033[K");
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}
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void Shell::erase_characters(size_t count) {
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print(std::string(count, '\x08'));
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print("\033[K");
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}
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} // namespace console
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} // namespace uuid
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