Base: Switch base_i18n to be a separate dll (component build)

base/i18n/icu_string_conversions.h

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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_
 #pragma once
 
 #include <string>
 
+#include "base/i18n/base_i18n_export.h"
 #include "base/string16.h"
 
 namespace base {
 
 // Defines the error handling modes of UTF16ToCodepage, CodepageToUTF16,
 // WideToCodepage and CodepageToWide.
 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();
 };
 
 // Names of codepages (charsets) understood by icu.
-extern const char kCodepageLatin1[];  // a.k.a. ISO 8859-1
-extern const char kCodepageUTF8[];
-extern const char kCodepageUTF16BE[];
-extern const char kCodepageUTF16LE[];
+BASE_I18N_EXPORT extern const char kCodepageLatin1[];  // a.k.a. ISO 8859-1
+BASE_I18N_EXPORT extern const char kCodepageUTF8[];
+BASE_I18N_EXPORT extern const char kCodepageUTF16BE[];
+BASE_I18N_EXPORT extern const char kCodepageUTF16LE[];
 
 // 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.
-bool UTF16ToCodepage(const string16& utf16,
-                     const char* codepage_name,
-                     OnStringConversionError::Type on_error,
-                     std::string* encoded);
-bool CodepageToUTF16(const std::string& encoded,
-                     const char* codepage_name,
-                     OnStringConversionError::Type on_error,
-                     string16* utf16);
+BASE_I18N_EXPORT bool UTF16ToCodepage(const string16& utf16,
+                                      const char* codepage_name,
+                                      OnStringConversionError::Type on_error,
+                                      std::string* encoded);
+BASE_I18N_EXPORT bool CodepageToUTF16(const std::string& encoded,
+                                      const char* codepage_name,
+                                      OnStringConversionError::Type on_error,
+                                      string16* utf16);
 
 // Converts between wide strings and the encoding specified.  If the
 // encoding doesn't exist or the encoding fails (when on_error is FAIL),
 // returns false.
-bool WideToCodepage(const std::wstring& wide,
-                    const char* codepage_name,
-                    OnStringConversionError::Type on_error,
-                    std::string* encoded);
-bool CodepageToWide(const std::string& encoded,
-                    const char* codepage_name,
-                    OnStringConversionError::Type on_error,
-                    std::wstring* wide);
+BASE_I18N_EXPORT bool WideToCodepage(const std::wstring& wide,
+                                     const char* codepage_name,
+                                     OnStringConversionError::Type on_error,
+                                     std::string* encoded);
+BASE_I18N_EXPORT bool CodepageToWide(const std::string& encoded,
+                                     const char* codepage_name,
+                                     OnStringConversionError::Type on_error,
+                                     std::wstring* wide);
 
 // Converts from any codepage to UTF-8 and ensures the resulting UTF-8 is
 // normalized.
-bool ConvertToUtf8AndNormalize(const std::string& text,
-                               const std::string& charset,
-                               std::string* result);
+BASE_I18N_EXPORT bool ConvertToUtf8AndNormalize(const std::string& text,
+                                                const std::string& charset,
+                                                std::string* result);
 
 }  // namespace base
 
 #endif  // BASE_I18N_ICU_STRING_CONVERSIONS_H_