Repo created

TMessagesProj/jni/voip/webrtc/base/i18n/encoding_detection.cc

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+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/i18n/encoding_detection.h"
+
+#include "build/build_config.h"
+#include "third_party/ced/src/compact_enc_det/compact_enc_det.h"
+
+// third_party/ced/src/util/encodings/encodings.h, which is included
+// by the include above, undefs UNICODE because that is a macro used
+// internally in ced. If we later in the same translation unit do
+// anything related to Windows or Windows headers those will then use
+// the ASCII versions which we do not want. To avoid that happening in
+// jumbo builds, we redefine UNICODE again here.
+#if defined(OS_WIN)
+#define UNICODE 1
+#endif  // OS_WIN
+
+namespace base {
+
+bool DetectEncoding(const std::string& text, std::string* encoding) {
+  int consumed_bytes;
+  bool is_reliable;
+  Encoding enc = CompactEncDet::DetectEncoding(
+      text.c_str(), text.length(), nullptr, nullptr, nullptr,
+      UNKNOWN_ENCODING,
+      UNKNOWN_LANGUAGE,
+      CompactEncDet::QUERY_CORPUS,  // plain text
+      false,  // Include 7-bit encodings
+      &consumed_bytes,
+      &is_reliable);
+
+  if (enc == UNKNOWN_ENCODING)
+    return false;
+
+  *encoding = MimeEncodingName(enc);
+  return true;
+}
+}  // namespace base