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comparison: intl/icu/source/common/ustrenum.h
intl/icu/source/common/ustrenum.h
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| 1 /* | |
| 2 ********************************************************************** | |
| 3 * Copyright (c) 2002-2012, International Business Machines | |
| 4 * Corporation and others. All Rights Reserved. | |
| 5 ********************************************************************** | |
| 6 * Author: Alan Liu | |
| 7 * Created: November 11 2002 | |
| 8 * Since: ICU 2.4 | |
| 9 ********************************************************************** | |
| 10 */ | |
| 11 #ifndef _USTRENUM_H_ | |
| 12 #define _USTRENUM_H_ | |
| 13 | |
| 14 #include "unicode/uenum.h" | |
| 15 #include "unicode/strenum.h" | |
| 16 | |
| 17 //---------------------------------------------------------------------- | |
| 18 U_NAMESPACE_BEGIN | |
| 19 | |
| 20 /** | |
| 21 * A wrapper to make a UEnumeration into a StringEnumeration. The | |
| 22 * wrapper adopts the UEnumeration is wraps. | |
| 23 */ | |
| 24 class U_COMMON_API UStringEnumeration : public StringEnumeration { | |
| 25 | |
| 26 public: | |
| 27 /** | |
| 28 * Constructor. This constructor adopts its UEnumeration | |
| 29 * argument. | |
| 30 * @param uenum a UEnumeration object. This object takes | |
| 31 * ownership of 'uenum' and will close it in its destructor. The | |
| 32 * caller must not call uenum_close on 'uenum' after calling this | |
| 33 * constructor. | |
| 34 */ | |
| 35 UStringEnumeration(UEnumeration* uenum); | |
| 36 | |
| 37 /** | |
| 38 * Destructor. This closes the UEnumeration passed in to the | |
| 39 * constructor. | |
| 40 */ | |
| 41 virtual ~UStringEnumeration(); | |
| 42 | |
| 43 /** | |
| 44 * Return the number of elements that the iterator traverses. | |
| 45 * @param status the error code. | |
| 46 * @return number of elements in the iterator. | |
| 47 */ | |
| 48 virtual int32_t count(UErrorCode& status) const; | |
| 49 | |
| 50 virtual const char* next(int32_t *resultLength, UErrorCode& status); | |
| 51 | |
| 52 /** | |
| 53 * Returns the next element a UnicodeString*. If there are no | |
| 54 * more elements, returns NULL. | |
| 55 * @param status the error code. | |
| 56 * @return a pointer to the string, or NULL. | |
| 57 */ | |
| 58 virtual const UnicodeString* snext(UErrorCode& status); | |
| 59 | |
| 60 /** | |
| 61 * Resets the iterator. | |
| 62 * @param status the error code. | |
| 63 */ | |
| 64 virtual void reset(UErrorCode& status); | |
| 65 | |
| 66 /** | |
| 67 * ICU4C "poor man's RTTI", returns a UClassID for the actual ICU class. | |
| 68 */ | |
| 69 virtual UClassID getDynamicClassID() const; | |
| 70 | |
| 71 /** | |
| 72 * ICU4C "poor man's RTTI", returns a UClassID for this ICU class. | |
| 73 */ | |
| 74 static UClassID U_EXPORT2 getStaticClassID(); | |
| 75 | |
| 76 private: | |
| 77 UEnumeration *uenum; // owned | |
| 78 }; | |
| 79 | |
| 80 U_NAMESPACE_END | |
| 81 | |
| 82 #endif | |
| 83 |
