]> git.saurik.com Git - apple/icu.git/blame - icuSources/common/ustrenum.h
ICU-491.11.3.tar.gz
[apple/icu.git] / icuSources / common / ustrenum.h
CommitLineData
b75a7d8f
A
1/*
2**********************************************************************
729e4ab9 3* Copyright (c) 2002-2009, International Business Machines
b75a7d8f
A
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
374ca955
A
17/**
18 * Given an array of const char* strings (invariant chars only),
19 * return a UEnumeration. Must have strings[i] != 0 for i in
20 * 0..count-1.
21 */
22U_CAPI UEnumeration* U_EXPORT2
46f4442e 23uenum_openCharStringsEnumeration(const char* const* strings, int32_t count,
374ca955
A
24 UErrorCode* ec);
25
26//----------------------------------------------------------------------
27U_NAMESPACE_BEGIN
28
29/**
30 * A wrapper to make a UEnumeration into a StringEnumeration. The
31 * wrapper adopts the UEnumeration is wraps.
32 */
33class U_COMMON_API UStringEnumeration : public StringEnumeration {
34
35public:
36 /**
37 * Constructor. This constructor adopts its UEnumeration
38 * argument.
39 * @param uenum a UEnumeration object. This object takes
40 * ownership of 'uenum' and will close it in its destructor. The
41 * caller must not call uenum_close on 'uenum' after calling this
42 * constructor.
43 */
44 UStringEnumeration(UEnumeration* uenum);
45
46 /**
47 * Destructor. This closes the UEnumeration passed in to the
48 * constructor.
49 */
50 virtual ~UStringEnumeration();
51
52 /**
53 * Return the number of elements that the iterator traverses.
54 * @param status the error code.
55 * @return number of elements in the iterator.
56 */
57 virtual int32_t count(UErrorCode& status) const;
58
59 /**
60 * Returns the next element a UnicodeString*. If there are no
61 * more elements, returns NULL.
62 * @param status the error code.
63 * @return a pointer to the string, or NULL.
64 */
65 virtual const UnicodeString* snext(UErrorCode& status);
66
67 /**
68 * Resets the iterator.
69 * @param status the error code.
70 */
71 virtual void reset(UErrorCode& status);
72
73 /**
74 * ICU4C "poor man's RTTI", returns a UClassID for the actual ICU class.
75 */
76 virtual UClassID getDynamicClassID() const;
77
78 /**
79 * ICU4C "poor man's RTTI", returns a UClassID for this ICU class.
80 */
81 static UClassID U_EXPORT2 getStaticClassID();
82
83private:
84 UEnumeration *uenum; // owned
85};
86
87U_NAMESPACE_END
88
b75a7d8f 89#endif
374ca955 90