ICU 75.1 75.1
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stsearch.h
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1// © 2016 and later: Unicode, Inc. and others.
2// License & terms of use: http://www.unicode.org/copyright.html
3/*
4**********************************************************************
5* Copyright (C) 2001-2014 IBM and others. All rights reserved.
6**********************************************************************
7* Date Name Description
8* 03/22/2000 helena Creation.
9**********************************************************************
10*/
11
12#ifndef STSEARCH_H
13#define STSEARCH_H
14
15#include "unicode/utypes.h"
16
17#if U_SHOW_CPLUSPLUS_API
18
24#if !UCONFIG_NO_COLLATION && !UCONFIG_NO_BREAK_ITERATION
25
26#include "unicode/tblcoll.h"
27#include "unicode/coleitr.h"
28#include "unicode/search.h"
29
30U_NAMESPACE_BEGIN
31
136{
137public:
138
139 // public constructors and destructors --------------------------------
140
162 StringSearch(const UnicodeString &pattern, const UnicodeString &text,
163 const Locale &locale,
166
189 const UnicodeString &text,
193
220 const Locale &locale,
223
253
261
267 virtual ~StringSearch();
268
281
282 // operator overloading ---------------------------------------------
283
291
300 virtual bool operator==(const SearchIterator &that) const override;
301
302 // public get and set methods ----------------------------------------
303
317 virtual void setOffset(int32_t position, UErrorCode &status) override;
318
327 virtual int32_t getOffset() const override;
328
340 virtual void setText(const UnicodeString &text, UErrorCode &status) override;
341
356 virtual void setText(CharacterIterator &text, UErrorCode &status) override;
357
368
378
388
394 const UnicodeString & getPattern() const;
395
396 // public methods ----------------------------------------------------
397
406 virtual void reset() override;
407
416 virtual StringSearch * safeClone() const override;
417
423 virtual UClassID getDynamicClassID() const override;
424
431
432protected:
433
434 // protected method -------------------------------------------------
435
459
483
484private :
485 StringSearch() = delete; // default constructor not implemented
486
487 // private data members ----------------------------------------------
488
493 UnicodeString m_pattern_;
498 UStringSearch *m_strsrch_;
499
500};
501
503
504#endif /* #if !UCONFIG_NO_COLLATION */
505
506#endif /* U_SHOW_CPLUSPLUS_API */
507
508#endif
509
The BreakIterator class implements methods for finding the location of boundaries in text.
Definition brkiter.h:106
Abstract class that defines an API for iteration on text objects.
Definition chariter.h:361
"Smart pointer" base class; do not use directly: use LocalPointer etc.
A Locale object represents a specific geographical, political, or cultural region.
Definition locid.h:195
The RuleBasedCollator class provides the implementation of Collator, using data-driven tables.
Definition tblcoll.h:115
SearchIterator is an abstract base class that provides methods to search for a pattern within a text ...
Definition search.h:82
StringSearch is a SearchIterator that provides language-sensitive text searching based on the compari...
Definition stsearch.h:136
virtual bool operator==(const SearchIterator &that) const override
Equality operator.
virtual ~StringSearch()
Destructor.
virtual UClassID getDynamicClassID() const override
ICU "poor man's RTTI", returns a UClassID for the actual class.
virtual void reset() override
Reset the iteration.
StringSearch * clone() const
Clone this object.
virtual int32_t handlePrev(int32_t position, UErrorCode &status) override
Search backward for matching text, starting at a given location.
StringSearch(const StringSearch &that)
Copy constructor that creates a StringSearch instance with the same behavior, and iterating over the ...
StringSearch(const UnicodeString &pattern, const UnicodeString &text, const Locale &locale, BreakIterator *breakiter, UErrorCode &status)
Creating a StringSearch instance using the argument locale language rule set.
StringSearch(const UnicodeString &pattern, CharacterIterator &text, const Locale &locale, BreakIterator *breakiter, UErrorCode &status)
Creating a StringSearch instance using the argument locale language rule set.
const UnicodeString & getPattern() const
Gets the search pattern.
virtual void setText(CharacterIterator &text, UErrorCode &status) override
Set the target text to be searched.
virtual int32_t handleNext(int32_t position, UErrorCode &status) override
Search forward for matching text, starting at a given location.
virtual void setText(const UnicodeString &text, UErrorCode &status) override
Set the target text to be searched.
StringSearch(const UnicodeString &pattern, const UnicodeString &text, RuleBasedCollator *coll, BreakIterator *breakiter, UErrorCode &status)
Creating a StringSearch instance using the argument collator language rule set.
RuleBasedCollator * getCollator() const
Gets the collator used for the language rules.
static UClassID getStaticClassID()
ICU "poor man's RTTI", returns a UClassID for this class.
void setCollator(RuleBasedCollator *coll, UErrorCode &status)
Sets the collator used for the language rules.
virtual int32_t getOffset() const override
Return the current index in the text being searched.
void setPattern(const UnicodeString &pattern, UErrorCode &status)
Sets the pattern used for matching.
virtual void setOffset(int32_t position, UErrorCode &status) override
Sets the index to point to the given position, and clears any state that's affected.
virtual StringSearch * safeClone() const override
Returns a copy of StringSearch with the same behavior, and iterating over the same text,...
StringSearch(const UnicodeString &pattern, CharacterIterator &text, RuleBasedCollator *coll, BreakIterator *breakiter, UErrorCode &status)
Creating a StringSearch instance using the argument collator language rule set.
StringSearch & operator=(const StringSearch &that)
Assignment operator.
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition unistr.h:296
C++ API: Collation Element Iterator.
C++ API: SearchIterator object.
C++ API: The RuleBasedCollator class implements the Collator abstract base class.
void * UClassID
UClassID is used to identify classes without using the compiler's RTTI.
Definition uobject.h:96
struct UStringSearch UStringSearch
Data structure for searching.
Definition usearch.h:162
Basic definitions for ICU, for both C and C++ APIs.
UErrorCode
Standard ICU4C error code type, a substitute for exceptions.
Definition utypes.h:415
#define U_I18N_API
Set to export library symbols from inside the i18n library, and to import them from outside.
Definition utypes.h:301