Repo created

TMessagesProj/jni/voip/webrtc/base/i18n/icu_string_conversions.h

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+// Copyright (c) 2011 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.
+
+#ifndef BASE_I18N_ICU_STRING_CONVERSIONS_H_
+#define BASE_I18N_ICU_STRING_CONVERSIONS_H_
+
+#include <string>
+
+#include "base/i18n/base_i18n_export.h"
+#include "base/i18n/i18n_constants.h"
+#include "base/strings/string16.h"
+#include "base/strings/string_piece.h"
+
+namespace base {
+
+// Defines the error handling modes of UTF16ToCodepage and CodepageToUTF16.
+class OnStringConversionError {
+ public:
+  enum Type {
+    // The function will return failure. The output buffer will be empty.
+    FAIL,
+
+    // The offending characters are skipped and the conversion will proceed as
+    // if they did not exist.
+    SKIP,
+
+    // When converting to Unicode, the offending byte sequences are substituted
+    // by Unicode replacement character (U+FFFD). When converting from Unicode,
+    // this is the same as SKIP.
+    SUBSTITUTE,
+  };
+
+ private:
+  OnStringConversionError() = delete;
+};
+
+// Converts between UTF-16 strings and the encoding specified.  If the
+// encoding doesn't exist or the encoding fails (when on_error is FAIL),
+// returns false.
+BASE_I18N_EXPORT bool UTF16ToCodepage(base::StringPiece16 utf16,
+                                      const char* codepage_name,
+                                      OnStringConversionError::Type on_error,
+                                      std::string* encoded);
+BASE_I18N_EXPORT bool CodepageToUTF16(base::StringPiece encoded,
+                                      const char* codepage_name,
+                                      OnStringConversionError::Type on_error,
+                                      string16* utf16);
+
+// Converts from any codepage to UTF-8 and ensures the resulting UTF-8 is
+// normalized.
+BASE_I18N_EXPORT bool ConvertToUtf8AndNormalize(base::StringPiece text,
+                                                const std::string& charset,
+                                                std::string* result);
+
+}  // namespace base
+
+#endif  // BASE_I18N_ICU_STRING_CONVERSIONS_H_