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74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsSaveAsCharset_h__
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#define nsSaveAsCharset_h__
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#include "nsStringFwd.h"
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#include "nsTArray.h"
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#include "nsISaveAsCharset.h"
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#include "nsCOMPtr.h"
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#define MASK_FALLBACK(a) (nsISaveAsCharset::mask_Fallback & (a))
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#define MASK_ENTITY(a) (nsISaveAsCharset::mask_Entity & (a))
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#define MASK_CHARSET_FALLBACK(a) (nsISaveAsCharset::mask_CharsetFallback & (a))
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#define ATTR_NO_FALLBACK(a) (nsISaveAsCharset::attr_FallbackNone == MASK_FALLBACK(a) && \
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nsISaveAsCharset::attr_EntityAfterCharsetConv != MASK_ENTITY(a))
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class nsIUnicodeEncoder;
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class nsIEntityConverter;
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class nsSaveAsCharset : public nsISaveAsCharset
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{
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public:
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//
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// implementation methods
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//
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nsSaveAsCharset();
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//
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// nsISupports
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//
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NS_DECL_ISUPPORTS
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//
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// nsIEntityConverter
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//
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NS_IMETHOD Init(const char *charset, uint32_t attr, uint32_t entityVersion) MOZ_OVERRIDE;
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NS_IMETHOD Convert(const char16_t *inString, char **_retval) MOZ_OVERRIDE;
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NS_IMETHODIMP GetCharset(char * *aCharset) MOZ_OVERRIDE;
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protected:
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virtual ~nsSaveAsCharset();
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NS_IMETHOD DoCharsetConversion(const char16_t *inString, char **outString);
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NS_IMETHOD DoConversionFallBack(uint32_t inUCS4, char *outString, int32_t bufferLength);
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// do the fallback, reallocate the buffer if necessary
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// need to pass destination buffer info (size, current position and estimation of rest of the conversion)
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NS_IMETHOD HandleFallBack(uint32_t character, char **outString, int32_t *bufferLength,
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int32_t *currentPos, int32_t estimatedLength);
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nsresult SetupUnicodeEncoder(const char* charset);
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nsresult SetupCharsetList(const char *charsetList);
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const char * GetNextCharset();
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uint32_t mAttribute; // conversion attribute
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uint32_t mEntityVersion; // see nsIEntityConverter
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nsCOMPtr<nsIUnicodeEncoder> mEncoder; // encoder (convert from unicode)
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nsCOMPtr<nsIEntityConverter> mEntityConverter;
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nsTArray<nsCString> mCharsetList;
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int32_t mCharsetListIndex;
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};
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#endif
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