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) 2005-2012, International Business Machines |
| 6 | * Corporation and others. All Rights Reserved. |
| 7 | ********************************************************************** |
| 8 | */ |
| 9 | |
| 10 | #ifndef __CSRUCODE_H |
| 11 | #define __CSRUCODE_H |
| 12 | |
| 13 | #include "unicode/utypes.h" |
| 14 | |
| 15 | #if !UCONFIG_NO_CONVERSION |
| 16 | |
| 17 | #include "csrecog.h" |
| 18 | |
| 19 | U_NAMESPACE_BEGIN |
| 20 | |
| 21 | /** |
| 22 | * This class matches UTF-16 and UTF-32, both big- and little-endian. The |
| 23 | * BOM will be used if it is present. |
| 24 | * |
| 25 | * @internal |
| 26 | */ |
| 27 | class CharsetRecog_Unicode : public CharsetRecognizer |
| 28 | { |
| 29 | |
| 30 | public: |
| 31 | |
| 32 | virtual ~CharsetRecog_Unicode(); |
| 33 | /* (non-Javadoc) |
| 34 | * @see com.ibm.icu.text.CharsetRecognizer#getName() |
| 35 | */ |
| 36 | const char* getName() const = 0; |
| 37 | |
| 38 | /* (non-Javadoc) |
| 39 | * @see com.ibm.icu.text.CharsetRecognizer#match(com.ibm.icu.text.CharsetDetector) |
| 40 | */ |
| 41 | UBool match(InputText* textIn, CharsetMatch *results) const = 0; |
| 42 | }; |
| 43 | |
| 44 | |
| 45 | class CharsetRecog_UTF_16_BE : public CharsetRecog_Unicode |
| 46 | { |
| 47 | public: |
| 48 | |
| 49 | virtual ~CharsetRecog_UTF_16_BE(); |
| 50 | |
| 51 | const char *getName() const; |
| 52 | |
| 53 | UBool match(InputText* textIn, CharsetMatch *results) const; |
| 54 | }; |
| 55 | |
| 56 | class CharsetRecog_UTF_16_LE : public CharsetRecog_Unicode |
| 57 | { |
| 58 | public: |
| 59 | |
| 60 | virtual ~CharsetRecog_UTF_16_LE(); |
| 61 | |
| 62 | const char *getName() const; |
| 63 | |
| 64 | UBool match(InputText* textIn, CharsetMatch *results) const; |
| 65 | }; |
| 66 | |
| 67 | class CharsetRecog_UTF_32 : public CharsetRecog_Unicode |
| 68 | { |
| 69 | protected: |
| 70 | virtual int32_t getChar(const uint8_t *input, int32_t index) const = 0; |
| 71 | public: |
| 72 | |
| 73 | virtual ~CharsetRecog_UTF_32(); |
| 74 | |
| 75 | const char* getName() const = 0; |
| 76 | |
| 77 | UBool match(InputText* textIn, CharsetMatch *results) const; |
| 78 | }; |
| 79 | |
| 80 | |
| 81 | class CharsetRecog_UTF_32_BE : public CharsetRecog_UTF_32 |
| 82 | { |
| 83 | protected: |
| 84 | int32_t getChar(const uint8_t *input, int32_t index) const; |
| 85 | |
| 86 | public: |
| 87 | |
| 88 | virtual ~CharsetRecog_UTF_32_BE(); |
| 89 | |
| 90 | const char *getName() const; |
| 91 | }; |
| 92 | |
| 93 | |
| 94 | class CharsetRecog_UTF_32_LE : public CharsetRecog_UTF_32 |
| 95 | { |
| 96 | protected: |
| 97 | int32_t getChar(const uint8_t *input, int32_t index) const; |
| 98 | |
| 99 | public: |
| 100 | virtual ~CharsetRecog_UTF_32_LE(); |
| 101 | |
| 102 | const char* getName() const; |
| 103 | }; |
| 104 | |
| 105 | U_NAMESPACE_END |
| 106 | |
| 107 | #endif |
| 108 | #endif /* __CSRUCODE_H */ |