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comparison: intl/unicharutil/src/nsSaveAsCharset.h
intl/unicharutil/src/nsSaveAsCharset.h
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nsSaveAsCharset_h__ | |
| 7 #define nsSaveAsCharset_h__ | |
| 8 | |
| 9 #include "nsStringFwd.h" | |
| 10 #include "nsTArray.h" | |
| 11 #include "nsISaveAsCharset.h" | |
| 12 | |
| 13 | |
| 14 #define MASK_FALLBACK(a) (nsISaveAsCharset::mask_Fallback & (a)) | |
| 15 #define MASK_ENTITY(a) (nsISaveAsCharset::mask_Entity & (a)) | |
| 16 #define MASK_CHARSET_FALLBACK(a) (nsISaveAsCharset::mask_CharsetFallback & (a)) | |
| 17 #define ATTR_NO_FALLBACK(a) (nsISaveAsCharset::attr_FallbackNone == MASK_FALLBACK(a) && \ | |
| 18 nsISaveAsCharset::attr_EntityAfterCharsetConv != MASK_ENTITY(a)) | |
| 19 | |
| 20 class nsIUnicodeEncoder; | |
| 21 class nsIEntityConverter; | |
| 22 | |
| 23 class nsSaveAsCharset : public nsISaveAsCharset | |
| 24 { | |
| 25 public: | |
| 26 | |
| 27 // | |
| 28 // implementation methods | |
| 29 // | |
| 30 nsSaveAsCharset(); | |
| 31 virtual ~nsSaveAsCharset(); | |
| 32 | |
| 33 // | |
| 34 // nsISupports | |
| 35 // | |
| 36 NS_DECL_ISUPPORTS | |
| 37 | |
| 38 // | |
| 39 // nsIEntityConverter | |
| 40 // | |
| 41 NS_IMETHOD Init(const char *charset, uint32_t attr, uint32_t entityVersion); | |
| 42 | |
| 43 NS_IMETHOD Convert(const char16_t *inString, char **_retval); | |
| 44 | |
| 45 NS_IMETHODIMP GetCharset(char * *aCharset); | |
| 46 | |
| 47 protected: | |
| 48 | |
| 49 NS_IMETHOD DoCharsetConversion(const char16_t *inString, char **outString); | |
| 50 | |
| 51 NS_IMETHOD DoConversionFallBack(uint32_t inUCS4, char *outString, int32_t bufferLength); | |
| 52 | |
| 53 // do the fallback, reallocate the buffer if necessary | |
| 54 // need to pass destination buffer info (size, current position and estimation of rest of the conversion) | |
| 55 NS_IMETHOD HandleFallBack(uint32_t character, char **outString, int32_t *bufferLength, | |
| 56 int32_t *currentPos, int32_t estimatedLength); | |
| 57 | |
| 58 nsresult SetupUnicodeEncoder(const char* charset); | |
| 59 | |
| 60 nsresult SetupCharsetList(const char *charsetList); | |
| 61 | |
| 62 const char * GetNextCharset(); | |
| 63 | |
| 64 uint32_t mAttribute; // conversion attribute | |
| 65 uint32_t mEntityVersion; // see nsIEntityConverter | |
| 66 nsCOMPtr<nsIUnicodeEncoder> mEncoder; // encoder (convert from unicode) | |
| 67 nsCOMPtr<nsIEntityConverter> mEntityConverter; | |
| 68 nsTArray<nsCString> mCharsetList; | |
| 69 int32_t mCharsetListIndex; | |
| 70 }; | |
| 71 | |
| 72 #endif |
