71 lines
2.7 KiB
C++
71 lines
2.7 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_I18N_ICU_STRING_CONVERSIONS_H_
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#define BASE_I18N_ICU_STRING_CONVERSIONS_H_
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#include <string>
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#include "base/i18n/base_i18n_export.h"
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#include "base/i18n/i18n_constants.h"
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#include "base/strings/string16.h"
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namespace base {
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// Defines the error handling modes of UTF16ToCodepage, CodepageToUTF16,
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// WideToCodepage and CodepageToWide.
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class OnStringConversionError {
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public:
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enum Type {
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// The function will return failure. The output buffer will be empty.
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FAIL,
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// The offending characters are skipped and the conversion will proceed as
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// if they did not exist.
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SKIP,
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// When converting to Unicode, the offending byte sequences are substituted
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// by Unicode replacement character (U+FFFD). When converting from Unicode,
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// this is the same as SKIP.
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SUBSTITUTE,
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};
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private:
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OnStringConversionError();
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};
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// Converts between UTF-16 strings and the encoding specified. If the
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// encoding doesn't exist or the encoding fails (when on_error is FAIL),
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// returns false.
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BASE_I18N_EXPORT bool UTF16ToCodepage(const string16& utf16,
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const char* codepage_name,
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OnStringConversionError::Type on_error,
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std::string* encoded);
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BASE_I18N_EXPORT bool CodepageToUTF16(const std::string& encoded,
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const char* codepage_name,
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OnStringConversionError::Type on_error,
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string16* utf16);
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// Converts between wide strings and the encoding specified. If the
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// encoding doesn't exist or the encoding fails (when on_error is FAIL),
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// returns false.
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BASE_I18N_EXPORT bool WideToCodepage(const std::wstring& wide,
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const char* codepage_name,
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OnStringConversionError::Type on_error,
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std::string* encoded);
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BASE_I18N_EXPORT bool CodepageToWide(const std::string& encoded,
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const char* codepage_name,
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OnStringConversionError::Type on_error,
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std::wstring* wide);
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// Converts from any codepage to UTF-8 and ensures the resulting UTF-8 is
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// normalized.
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BASE_I18N_EXPORT bool ConvertToUtf8AndNormalize(const std::string& text,
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const std::string& charset,
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std::string* result);
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} // namespace base
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#endif // BASE_I18N_ICU_STRING_CONVERSIONS_H_
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