More linebuffers to shell

This commit is contained in:
MichaelDvP
2021-04-21 07:43:03 +02:00
parent 462a91b122
commit cf641476bf
2 changed files with 28 additions and 9 deletions

View File

@@ -65,8 +65,10 @@ void Shell::start() {
#endif
line_buffer_.reserve(maximum_command_line_length_);
line_old_.reserve(maximum_command_line_length_);
line_old_.clear();
for (uint8_t i = 0; i < MAX_LINES; i++) {
line_old_[i].reserve(maximum_command_line_length_);
line_old_[i].clear();
}
display_banner();
display_prompt();
shells_.insert(shared_from_this());
@@ -214,10 +216,20 @@ void Shell::loop_normal() {
default:
if (esc_) {
if (c == 'A') { // cursor up
line_buffer_ = line_old_;
line_buffer_ = line_old_[line_no_];
if (line_no_ < MAX_LINES - 1) {
line_no_++;
}
cursor_ = 0;
} else if (c == 'B') { // cursor down
line_buffer_.clear();
if (line_no_) {
line_no_--;
}
if (line_no_) {
line_buffer_ = line_old_[line_no_ - 1];
} else {
line_buffer_.clear();
}
cursor_ = 0;
} else if (c == 'C') { // cursor right
if (cursor_) {
@@ -498,7 +510,12 @@ void Shell::process_command() {
println();
return;
}
line_old_ = line_buffer_;
uint8_t no = line_no_ ? line_no_ : MAX_LINES;
while (--no) {
line_old_[no] = line_old_[no - 1];
}
line_no_ = 0;
line_old_[0] = line_buffer_;
while (!line_buffer_.empty()) {
size_t pos = line_buffer_.find(';');
std::string line1;

View File

@@ -61,8 +61,9 @@ class Commands;
*/
class Shell : public std::enable_shared_from_this<Shell>, public uuid::log::Handler, public ::Stream {
public:
static constexpr size_t MAX_COMMAND_LINE_LENGTH = 80; /*!< Maximum length of a command line. @since 0.1.0 */
static constexpr size_t MAX_LOG_MESSAGES = 20; /*!< Maximum number of log messages to buffer before they are output. @since 0.1.0 */
static constexpr size_t MAX_COMMAND_LINE_LENGTH = 80; /*!< Maximum length of a command line. @since 0.1.0 */
static constexpr size_t MAX_LOG_MESSAGES = 20; /*!< Maximum number of log messages to buffer before they are output. @since 0.1.0 */
static constexpr uint8_t MAX_LINES = 5; /*!< Maximum lines in buffer */
/**
* Function to handle the response to a password entry prompt.
@@ -903,8 +904,9 @@ class Shell : public std::enable_shared_from_this<Shell>, public uuid::log::Hand
unsigned long log_message_id_ = 0; /*!< The next identifier to use for queued log messages. @since 0.1.0 */
std::list<QueuedLogMessage> log_messages_; /*!< Queued log messages, in the order they were received. @since 0.1.0 */
size_t maximum_log_messages_ = MAX_LOG_MESSAGES; /*!< Maximum command line length in bytes. @since 0.6.0 */
std::string line_buffer_; /*!< Command line buffer. Limited to maximum_command_line_length() bytes. @since 0.1.0 */
std::string line_old_; /*!< old Command line buffer.*/
std::string line_buffer_; /*!< Command line buffer. Limited to maximum_command_line_length() bytes. @since 0.1.0 */
std::string line_old_[MAX_LINES]; /*!< old Command line buffer.*/
uint8_t line_no_ = 0;
size_t maximum_command_line_length_ = MAX_COMMAND_LINE_LENGTH; /*!< Maximum command line length in bytes. @since 0.6.0 */
unsigned char previous_ = 0; /*!< Previous character that was entered on the command line. Used to detect CRLF line endings. @since 0.1.0 */
uint8_t cursor_ = 0; /*!< cursor position from end of line */