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lib/uuid-common/src/printable_to_string.cpp

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+/*
+ * uuid-common - Microcontroller common utilities
+ * 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/common.h>
+
+#include <Arduino.h>
+
+#include <string>
+
+namespace uuid {
+
+class PrintableString : public ::Print {
+  public:
+    explicit PrintableString(std::string & output)
+        : output_(output) {
+    }
+    ~PrintableString() = default;
+
+    size_t write(uint8_t data) final override {
+        output_.append(1, reinterpret_cast<unsigned char>(data));
+        return 1;
+    }
+
+    size_t write(const uint8_t * buffer, size_t size) final override {
+        output_.append(reinterpret_cast<const char *>(buffer), size);
+        return size;
+    }
+
+  private:
+    std::string & output_;
+};
+
+size_t print_to_string(const Printable & printable, std::string & output) {
+    PrintableString pstr{output};
+
+    return printable.printTo(pstr);
+}
+
+std::string printable_to_string(const Printable & printable) {
+    std::string str;
+
+    print_to_string(printable, str);
+
+    return str;
+}
+
+} // namespace uuid