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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
22 #if !UCONFIG_NO_COLLATION && !UCONFIG_NO_BREAK_ITERATION
23
24 #include "unicode/tblcoll.h"
25 #include "unicode/coleitr.h"
26 #include "unicode/search.h"
27
28 U_NAMESPACE_BEGIN
29
134 class U_I18N_API StringSearch U_FINAL : public SearchIterator
135 {
136 public:
137
138 // public constructors and destructors --------------------------------
139
161 StringSearch(const UnicodeString &pattern, const UnicodeString &text,
162 const Locale &locale,
163 BreakIterator *breakiter,
164 UErrorCode &status);
165
187 StringSearch(const UnicodeString &pattern,
188 const UnicodeString &text,
189 RuleBasedCollator *coll,
190 BreakIterator *breakiter,
191 UErrorCode &status);
192
218 StringSearch(const UnicodeString &pattern, CharacterIterator &text,
219 const Locale &locale,
220 BreakIterator *breakiter,
221 UErrorCode &status);
222
248 StringSearch(const UnicodeString &pattern, CharacterIterator &text,
249 RuleBasedCollator *coll,
250 BreakIterator *breakiter,
251 UErrorCode &status);
252
259 StringSearch(const StringSearch &that);
260
266 virtual ~StringSearch(void);
267
279 StringSearch *clone() const;
280
281 // operator overloading ---------------------------------------------
282
289 StringSearch & operator=(const StringSearch &that);
290
299 virtual UBool operator==(const SearchIterator &that) const;
300
301 // public get and set methods ----------------------------------------
302
316 virtual void setOffset(int32_t position, UErrorCode &status);
317
326 virtual int32_t getOffset(void) const;
327
339 virtual void setText(const UnicodeString &text, UErrorCode &status);
340
355 virtual void setText(CharacterIterator &text, UErrorCode &status);
356
366 RuleBasedCollator * getCollator() const;
367
376 void setCollator(RuleBasedCollator *coll, UErrorCode &status);
377
386 void setPattern(const UnicodeString &pattern, UErrorCode &status);
387
393 const UnicodeString & getPattern() const;
394
395 // public methods ----------------------------------------------------
396
405 virtual void reset();
406
415 virtual SearchIterator * safeClone(void) const;
416
422 virtual UClassID getDynamicClassID() const;
423
429 static UClassID U_EXPORT2 getStaticClassID();
430
431 protected:
432
433 // protected method -------------------------------------------------
434
457 virtual int32_t handleNext(int32_t position, UErrorCode &status);
458
481 virtual int32_t handlePrev(int32_t position, UErrorCode &status);
482
483 private :
484 StringSearch(); // default constructor not implemented
485
486 // private data members ----------------------------------------------
487
492 UnicodeString m_pattern_;
497 UStringSearch *m_strsrch_;
498
499 };
500
501 U_NAMESPACE_END
502
503 #endif /* #if !UCONFIG_NO_COLLATION */
504
505 #endif
506
icu::SearchIterator::getOffset
virtual int32_t getOffset(void) const =0
Return the current index in the text being searched.
search.h
C++ API: SearchIterator object.
icu::UObject::getDynamicClassID
virtual UClassID getDynamicClassID() const
ICU4C "poor man&#39;s RTTI", returns a UClassID for the actual ICU class.
UClassID
void * UClassID
UClassID is used to identify classes without using the compiler&#39;s RTTI.
Definition: uobject.h:93
icu::SearchIterator::operator==
virtual UBool operator==(const SearchIterator &that) const
Equality operator.
tblcoll.h
C++ API: The RuleBasedCollator class implements the Collator abstract base class. ...
U_I18N_API
#define U_I18N_API
Set to export library symbols from inside the i18n library, and to import them from outside...
Definition: utypes.h:360
icu::SearchIterator::operator=
SearchIterator & operator=(const SearchIterator &that)
Assignment operator.
U_NAMESPACE_BEGIN
#define U_NAMESPACE_BEGIN
This is used to begin a declaration of a public ICU C++ API.
Definition: uversion.h:131
icu::RuleBasedCollator
The RuleBasedCollator class provides the implementation of Collator, using data-driven tables...
Definition: tblcoll.h:113
icu::CharacterIterator
Abstract class that defines an API for iteration on text objects.
Definition: chariter.h:358
icu::SearchIterator::handleNext
virtual int32_t handleNext(int32_t position, UErrorCode &status)=0
Abstract method which subclasses override to provide the mechanism for finding the next match in the ...
icu::SearchIterator::setText
virtual void setText(const UnicodeString &text, UErrorCode &status)
Set the string text to be searched.
icu::SearchIterator::reset
virtual void reset()
Resets the iteration.
icu::BreakIterator
The BreakIterator class implements methods for finding the location of boundaries in text...
Definition: brkiter.h:102
icu::SearchIterator::setOffset
virtual void setOffset(int32_t position, UErrorCode &status)=0
Sets the index to point to the given position, and clears any state that&#39;s affected.
U_NAMESPACE_END
#define U_NAMESPACE_END
This is used to end a declaration of a public ICU C++ API.
Definition: uversion.h:132
icu::SearchIterator::handlePrev
virtual int32_t handlePrev(int32_t position, UErrorCode &status)=0
Abstract method which subclasses override to provide the mechanism for finding the previous match in ...
UErrorCode
UErrorCode
Error code to replace exception handling, so that the code is compatible with all C++ compilers...
Definition: utypes.h:396
icu::StringSearch
StringSearch is a SearchIterator that provides language-sensitive text searching based on the compari...
Definition: stsearch.h:134
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
coleitr.h
C++ API: Collation Element Iterator.
icu::UnicodeString
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:286
icu::SearchIterator
SearchIterator is an abstract base class that provides methods to search for a pattern within a text ...
Definition: search.h:81
UStringSearch
struct UStringSearch UStringSearch
Data structure for searching.
Definition: usearch.h:158
UBool
int8_t UBool
The ICU boolean type.
Definition: umachine.h:236
icu::SearchIterator::safeClone
virtual SearchIterator * safeClone(void) const =0
Returns a copy of SearchIterator with the same behavior, and iterating over the same text...
icu::Locale
A Locale object represents a specific geographical, political, or cultural region.
Definition: locid.h:188