1 // 2016 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 3 /* 4 ********************************************************************** 5 * Copyright (C) 2005-2012, International Business Machines 6 * Corporation and others. All Rights Reserved. 7 ********************************************************************** 8 */ 9 10 #ifndef __CSRECOG_H 11 #define __CSRECOG_H 12 13 #include "unicode/uobject.h" 14 15 #if !UCONFIG_NO_CONVERSION 16 17 #include "inputext.h" 18 19 U_NAMESPACE_BEGIN 20 21 class CharsetMatch; 22 23 class CharsetRecognizer : public UMemory 24 { 25 public: 26 /** 27 * Get the IANA name of this charset. 28 * Note that some recognizers can recognize more than one charset, but that this API 29 * assumes just one name per recognizer. 30 * TODO: need to account for multiple names in public API that enumerates over the 31 * known detectable charsets. 32 * @return the charset name. 33 */ 34 virtual const char *getName() const = 0; 35 36 /** 37 * Get the ISO language code for this charset. 38 * @return the language code, or <code>null</code> if the language cannot be determined. 39 */ 40 virtual const char *getLanguage() const; 41 42 /* 43 * Try the given input text against this Charset, and fill in the results object 44 * with the quality of the match plus other information related to the match. 45 * 46 * Return TRUE if the the input bytes are a potential match, and 47 * FALSE if the input data is not compatible with, or illegal in this charset. 48 */ 49 virtual UBool match(InputText *textIn, CharsetMatch *results) const = 0; 50 51 virtual ~CharsetRecognizer(); 52 }; 53 54 U_NAMESPACE_END 55 56 #endif 57 #endif /* __CSRECOG_H */ 58
