Victor Chang | 7322950 | 2020-09-17 13:39:19 +0100 | [diff] [blame] | 1 | // © 2016 and later: Unicode, Inc. and others. |
| 2 | // License & terms of use: http://www.unicode.org/copyright.html |
| 3 | /* |
| 4 | ********************************************************************** |
| 5 | * Copyright (C) 2005-2016, International Business Machines |
| 6 | * Corporation and others. All Rights Reserved. |
| 7 | ********************************************************************** |
| 8 | */ |
| 9 | |
| 10 | #ifndef __CSDETECT_H |
| 11 | #define __CSDETECT_H |
| 12 | |
| 13 | #include "unicode/uobject.h" |
| 14 | |
| 15 | #if !UCONFIG_NO_CONVERSION |
| 16 | |
| 17 | #include "unicode/uenum.h" |
| 18 | |
| 19 | U_NAMESPACE_BEGIN |
| 20 | |
| 21 | class InputText; |
| 22 | class CharsetRecognizer; |
| 23 | class CharsetMatch; |
| 24 | |
| 25 | class CharsetDetector : public UMemory |
| 26 | { |
| 27 | private: |
| 28 | InputText *textIn; |
| 29 | CharsetMatch **resultArray; |
| 30 | int32_t resultCount; |
| 31 | UBool fStripTags; // If true, setText() will strip tags from input text. |
| 32 | UBool fFreshTextSet; |
| 33 | static void setRecognizers(UErrorCode &status); |
| 34 | |
| 35 | UBool *fEnabledRecognizers; // If not null, active set of charset recognizers had |
| 36 | // been changed from the default. The array index is |
| 37 | // corresponding to fCSRecognizers. See setDetectableCharset(). |
| 38 | |
| 39 | public: |
| 40 | CharsetDetector(UErrorCode &status); |
| 41 | |
| 42 | ~CharsetDetector(); |
| 43 | |
| 44 | void setText(const char *in, int32_t len); |
| 45 | |
| 46 | const CharsetMatch * const *detectAll(int32_t &maxMatchesFound, UErrorCode &status); |
| 47 | |
| 48 | const CharsetMatch *detect(UErrorCode& status); |
| 49 | |
| 50 | void setDeclaredEncoding(const char *encoding, int32_t len) const; |
| 51 | |
| 52 | UBool setStripTagsFlag(UBool flag); |
| 53 | |
| 54 | UBool getStripTagsFlag() const; |
| 55 | |
| 56 | // const char *getCharsetName(int32_t index, UErrorCode& status) const; |
| 57 | |
| 58 | static int32_t getDetectableCount(); |
| 59 | |
| 60 | |
| 61 | static UEnumeration * getAllDetectableCharsets(UErrorCode &status); |
| 62 | UEnumeration * getDetectableCharsets(UErrorCode &status) const; |
| 63 | void setDetectableCharset(const char *encoding, UBool enabled, UErrorCode &status); |
| 64 | }; |
| 65 | |
| 66 | U_NAMESPACE_END |
| 67 | |
| 68 | #endif |
| 69 | #endif /* __CSDETECT_H */ |