initial commit

lib/uuid-console/src/shell_log.cpp

@@ -0,0 +1,107 @@
+/*
+ * uuid-console - Microcontroller console shell
+ * Copyright 2019  Simon Arlott
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <uuid/console.h>
+
+#include <Arduino.h>
+
+#include <algorithm>
+#include <memory>
+#include <string>
+
+#include <uuid/log.h>
+
+namespace uuid {
+
+namespace console {
+
+static const char       __pstr__logger_name[] __attribute__((__aligned__(sizeof(int)))) PROGMEM = "shell";
+const uuid::log::Logger Shell::logger_{reinterpret_cast<const __FlashStringHelper *>(__pstr__logger_name), uuid::log::Facility::LPR};
+
+Shell::QueuedLogMessage::QueuedLogMessage(unsigned long id, std::shared_ptr<uuid::log::Message> && content)
+    : id_(id)
+    , content_(std::move(content)) {
+}
+
+void Shell::operator<<(std::shared_ptr<uuid::log::Message> message) {
+    if (log_messages_.size() >= maximum_log_messages_) {
+        log_messages_.pop_front();
+    }
+
+    log_messages_.emplace_back(log_message_id_++, std::move(message));
+}
+
+uuid::log::Level Shell::log_level() const {
+    return uuid::log::Logger::get_log_level(this);
+}
+
+void Shell::log_level(uuid::log::Level level) {
+    uuid::log::Logger::register_handler(this, level);
+}
+
+size_t Shell::maximum_log_messages() const {
+    return maximum_log_messages_;
+}
+
+void Shell::maximum_log_messages(size_t count) {
+    maximum_log_messages_ = std::max((size_t)1, count);
+    while (log_messages_.size() > maximum_log_messages_) {
+        log_messages_.pop_front();
+    }
+}
+
+void Shell::output_logs() {
+    if (!log_messages_.empty()) {
+        if (mode_ != Mode::DELAY) {
+            erase_current_line();
+            prompt_displayed_ = false;
+        }
+
+        while (!log_messages_.empty()) {
+            auto message = std::move(log_messages_.front());
+            log_messages_.pop_front();
+
+            print(uuid::log::format_timestamp_ms(message.content_->uptime_ms, 3));
+            printf(F(" %c %lu: [%S] "), uuid::log::format_level_char(message.content_->level), message.id_, message.content_->name);
+
+            if ((message.content_->level == uuid::log::Level::ERR) || (message.content_->level == uuid::log::Level::WARNING)) {
+                print(COLOR_RED);
+                println(message.content_->text);
+                print(COLOR_RESET);
+            } else if (message.content_->level == uuid::log::Level::INFO) {
+                print(COLOR_YELLOW);
+                println(message.content_->text);
+                print(COLOR_RESET);
+            } else if (message.content_->level == uuid::log::Level::DEBUG) {
+                print(COLOR_CYAN);
+                println(message.content_->text);
+                print(COLOR_RESET);
+            } else {
+                println(message.content_->text);
+            }
+
+            ::yield();
+
+            display_prompt();
+        }
+    }
+}
+
+} // namespace console
+
+} // namespace uuid