1 files changed, 89 insertions, 0 deletions
diff --git a/src/tinyb/BluetoothUUID.cpp b/src/tinyb/BluetoothUUID.cpp
new file mode 100644
index 00000000..ce8124a5
--- /dev/null
+++ b/src/tinyb/BluetoothUUID.cpp
@@ -0,0 +1,89 @@
+#include "BluetoothUUID.hpp"
+#include <cstring>
+#include <iostream>
+
+using namespace tinyb;
+
+BluetoothUUID::BluetoothUUID(const BluetoothUUID &other) {
+    uuid[0] = other.uuid[0];
+    uuid[1] = other.uuid[1];
+}
+
+BluetoothUUID::BluetoothUUID(const char str[]) {
+    int len = strlen(str);
+    const char *err_msg = "UUID does not have a valid format";
+
+    if (len == 4 || len == 8) {
+    /* 16bit or 32bit UUID: number + base UUID */
+       uuid[0] = strtoul(str, NULL, 16) << 32 | 0x00001000ULL;
+       uuid[1] = 0x800000805f9b34fbULL;
+    } else if (len == 36) {
+    /* 128bit UUID */
+       char u[37];
+       strcpy(u, str);
+
+       if (u[8] == '-') {
+            u[8] = ' ';
+            uuid[0] = strtoul(u + 0, NULL, 16) << 32;
+       } else {
+            throw std::invalid_argument(err_msg);
+       }
+       if (u[13] == '-') {
+            u[13] = ' ';
+            uuid[0] = uuid[0] | strtoul(u + 9, NULL, 16) << 16;
+       } else throw std::invalid_argument(err_msg);
+       if (u[18] == '-') {
+            u[18] = ' ';
+            uuid[0] = uuid[0] | strtoul(u + 14, NULL, 16);
+       } else throw std::invalid_argument(err_msg);
+
+       if (u[23] == '-') {
+            u[23] = ' ';
+            uuid[1] = strtoul(u + 19, NULL, 16) << 48;
+       } else throw std::invalid_argument(err_msg);
+
+       uuid[1] = uuid[1] | strtoul(u + 24, NULL, 16);
+    } else throw std::invalid_argument(err_msg);
+}
+
+BluetoothUUID::BluetoothUUID(const std::string &str) : BluetoothUUID(str.c_str()) {}
+
+std::string BluetoothUUID::get_string()
+{
+    char u[37];
+    snprintf(u, 37, "%08lx-%04llx-%04llx-%04lx-%012llx",
+        (uuid[0] >> 32),
+        ((uuid[0] >> 16) & 0xFFFFULL),
+        (uuid[0] & 0xFFFFULL),
+        (uuid[1] >> 48),
+        (uuid[1] & ~(0xFFFFULL << 48)));
+    return std::string(u);
+}
+
+std::string BluetoothUUID::get_short_string()
+{
+    char u[9];
+    if (is_short()) {
+        uint32_t suuid = get_short();
+        if (suuid & 0xFFFF == suuid)
+            snprintf(u, 9, "%04dx", suuid);
+        else
+            snprintf(u, 9, "%08dx", suuid);
+        return std::string(u);
+    } else {
+        return get_string();
+    }
+}
+
+uint32_t BluetoothUUID::get_short() {
+    if (is_short())
+        return uuid[0] >> 32;
+    return 0;
+}
+
+bool BluetoothUUID::is_short()
+{
+    if (uuid[1] == 0x800000805f9b34fbULL && uuid[0] & 0xffffffffULL == 0x00001000ULL)
+        return true;
+    return false;
+}