icuSources/i18n/csdetect.h

   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 */