michael@0: /*
michael@0:  **********************************************************************
michael@0:  *   Copyright (C) 2005-2012, International Business Machines
michael@0:  *   Corporation and others.  All Rights Reserved.
michael@0:  **********************************************************************
michael@0:  */
michael@0: 
michael@0: #ifndef __CSRUCODE_H
michael@0: #define __CSRUCODE_H
michael@0: 
michael@0: #include "unicode/utypes.h"
michael@0: 
michael@0: #if !UCONFIG_NO_CONVERSION
michael@0: 
michael@0: #include "csrecog.h"
michael@0: 
michael@0: U_NAMESPACE_BEGIN
michael@0: 
michael@0: /**
michael@0:  * This class matches UTF-16 and UTF-32, both big- and little-endian. The
michael@0:  * BOM will be used if it is present.
michael@0:  * 
michael@0:  * @internal
michael@0:  */
michael@0: class CharsetRecog_Unicode : public CharsetRecognizer 
michael@0: {
michael@0: 
michael@0: public:
michael@0: 
michael@0:     virtual ~CharsetRecog_Unicode();
michael@0:     /* (non-Javadoc)
michael@0:      * @see com.ibm.icu.text.CharsetRecognizer#getName()
michael@0:      */
michael@0:     const char* getName() const = 0;
michael@0: 
michael@0:     /* (non-Javadoc)
michael@0:      * @see com.ibm.icu.text.CharsetRecognizer#match(com.ibm.icu.text.CharsetDetector)
michael@0:      */
michael@0:     UBool match(InputText* textIn, CharsetMatch *results) const = 0;
michael@0: };
michael@0: 
michael@0: 
michael@0: class CharsetRecog_UTF_16_BE : public CharsetRecog_Unicode
michael@0: {
michael@0: public:
michael@0: 
michael@0:     virtual ~CharsetRecog_UTF_16_BE();
michael@0: 
michael@0:     const char *getName() const;
michael@0: 
michael@0:     UBool match(InputText* textIn, CharsetMatch *results) const;
michael@0: };
michael@0: 
michael@0: class CharsetRecog_UTF_16_LE : public CharsetRecog_Unicode
michael@0: {
michael@0: public:
michael@0: 
michael@0:     virtual ~CharsetRecog_UTF_16_LE();
michael@0: 
michael@0:     const char *getName() const;
michael@0: 
michael@0:     UBool match(InputText* textIn, CharsetMatch *results) const;
michael@0: };
michael@0: 
michael@0: class CharsetRecog_UTF_32 : public CharsetRecog_Unicode
michael@0: {
michael@0: protected:
michael@0:     virtual int32_t getChar(const uint8_t *input, int32_t index) const = 0;
michael@0: public:
michael@0: 
michael@0:     virtual ~CharsetRecog_UTF_32();
michael@0: 
michael@0:     const char* getName() const = 0;
michael@0: 
michael@0:     UBool match(InputText* textIn, CharsetMatch *results) const;
michael@0: };
michael@0: 
michael@0: 
michael@0: class CharsetRecog_UTF_32_BE : public CharsetRecog_UTF_32
michael@0: {
michael@0: protected:
michael@0:     int32_t getChar(const uint8_t *input, int32_t index) const;
michael@0: 
michael@0: public:
michael@0: 
michael@0:     virtual ~CharsetRecog_UTF_32_BE();
michael@0: 
michael@0:     const char *getName() const;
michael@0: };
michael@0: 
michael@0: 
michael@0: class CharsetRecog_UTF_32_LE : public CharsetRecog_UTF_32
michael@0: {
michael@0: protected:
michael@0:     int32_t getChar(const uint8_t *input, int32_t index) const;
michael@0: 
michael@0: public:
michael@0:     virtual ~CharsetRecog_UTF_32_LE();
michael@0: 
michael@0:     const char* getName() const;
michael@0: };
michael@0: 
michael@0: U_NAMESPACE_END
michael@0: 
michael@0: #endif
michael@0: #endif /* __CSRUCODE_H */