1 files changed, 78 insertions, 0 deletions
diff --git a/libs/tdlib/td/tdutils/td/utils/misc.cpp b/libs/tdlib/td/tdutils/td/utils/misc.cpp
new file mode 100644
index 0000000000..f3068ca6d3
--- /dev/null
+++ b/libs/tdlib/td/tdutils/td/utils/misc.cpp
@@ -0,0 +1,78 @@
+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#include "td/utils/misc.h"
+
+#include "td/utils/port/thread_local.h"
+
+#include <algorithm>
+#include <cstdlib>
+#include <locale>
+#include <sstream>
+
+namespace td {
+
+char *str_dup(Slice str) {
+  char *res = static_cast<char *>(std::malloc(str.size() + 1));
+  if (res == nullptr) {
+    return nullptr;
+  }
+  std::copy(str.begin(), str.end(), res);
+  res[str.size()] = '\0';
+  return res;
+}
+
+string implode(vector<string> v, char delimiter) {
+  string result;
+  for (auto &str : v) {
+    if (!result.empty()) {
+      result += delimiter;
+    }
+    result += str;
+  }
+  return result;
+}
+
+string oneline(Slice str) {
+  string result;
+  result.reserve(str.size());
+  bool after_new_line = true;
+  for (auto c : str) {
+    if (c != '\n') {
+      if (after_new_line) {
+        if (c == ' ') {
+          continue;
+        }
+        after_new_line = false;
+      }
+      result += c;
+    } else {
+      after_new_line = true;
+      result += ' ';
+    }
+  }
+  while (!result.empty() && result.back() == ' ') {
+    result.pop_back();
+  }
+  return result;
+}
+
+double to_double(Slice str) {
+  static TD_THREAD_LOCAL std::stringstream *ss;
+  if (init_thread_local<std::stringstream>(ss)) {
+    ss->imbue(std::locale::classic());
+  } else {
+    ss->str(std::string());
+    ss->clear();
+  }
+  ss->write(str.begin(), narrow_cast<std::streamsize>(str.size()));
+
+  double result = 0.0;
+  *ss >> result;
+  return result;
+}
+
+}  // namespace td