ICU 57.1  57.1
stsearch.h
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1 /*
2 **********************************************************************
3 * Copyright (C) 2001-2014 IBM and others. All rights reserved.
4 **********************************************************************
5 * Date Name Description
6 * 03/22/2000 helena Creation.
7 **********************************************************************
8 */
9 
10 #ifndef STSEARCH_H
11 #define STSEARCH_H
12 
13 #include "unicode/utypes.h"
14 
20 #if !UCONFIG_NO_COLLATION && !UCONFIG_NO_BREAK_ITERATION
21 
22 #include "unicode/tblcoll.h"
23 #include "unicode/coleitr.h"
24 #include "unicode/search.h"
25 
27 
132 class U_I18N_API StringSearch U_FINAL : public SearchIterator
133 {
134 public:
135 
136  // public constructors and destructors --------------------------------
137 
159  StringSearch(const UnicodeString &pattern, const UnicodeString &text,
160  const Locale &locale,
161  BreakIterator *breakiter,
162  UErrorCode &status);
163 
185  StringSearch(const UnicodeString &pattern,
186  const UnicodeString &text,
187  RuleBasedCollator *coll,
188  BreakIterator *breakiter,
189  UErrorCode &status);
190 
216  StringSearch(const UnicodeString &pattern, CharacterIterator &text,
217  const Locale &locale,
218  BreakIterator *breakiter,
219  UErrorCode &status);
220 
246  StringSearch(const UnicodeString &pattern, CharacterIterator &text,
247  RuleBasedCollator *coll,
248  BreakIterator *breakiter,
249  UErrorCode &status);
250 
257  StringSearch(const StringSearch &that);
258 
264  virtual ~StringSearch(void);
265 
277  StringSearch *clone() const;
278 
279  // operator overloading ---------------------------------------------
280 
287  StringSearch & operator=(const StringSearch &that);
288 
297  virtual UBool operator==(const SearchIterator &that) const;
298 
299  // public get and set methods ----------------------------------------
300 
314  virtual void setOffset(int32_t position, UErrorCode &status);
315 
324  virtual int32_t getOffset(void) const;
325 
337  virtual void setText(const UnicodeString &text, UErrorCode &status);
338 
353  virtual void setText(CharacterIterator &text, UErrorCode &status);
354 
364  RuleBasedCollator * getCollator() const;
365 
374  void setCollator(RuleBasedCollator *coll, UErrorCode &status);
375 
384  void setPattern(const UnicodeString &pattern, UErrorCode &status);
385 
391  const UnicodeString & getPattern() const;
392 
393  // public methods ----------------------------------------------------
394 
403  virtual void reset();
404 
413  virtual SearchIterator * safeClone(void) const;
414 
420  virtual UClassID getDynamicClassID() const;
421 
427  static UClassID U_EXPORT2 getStaticClassID();
428 
429 protected:
430 
431  // protected method -------------------------------------------------
432 
455  virtual int32_t handleNext(int32_t position, UErrorCode &status);
456 
479  virtual int32_t handlePrev(int32_t position, UErrorCode &status);
480 
481 private :
482  StringSearch(); // default constructor not implemented
483 
484  // private data members ----------------------------------------------
485 
490  UnicodeString m_pattern_;
495  UStringSearch *m_strsrch_;
496 
497 };
498 
500 
501 #endif /* #if !UCONFIG_NO_COLLATION */
502 
503 #endif
504 
icu::BreakIterator
The BreakIterator class implements methods for finding the location of boundaries in text.
Definition: brkiter.h:100
icu::SearchIterator
SearchIterator is an abstract base class that provides methods to search for a pattern within a text ...
Definition: search.h:79
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
U_I18N_API
#define U_I18N_API
Definition: utypes.h:358
UBool
int8_t UBool
The ICU boolean type.
Definition: umachine.h:234
coleitr.h
C++ API: Collation Element Iterator.
icu::SearchIterator::reset
virtual void reset()
Resets the iteration.
icu::SearchIterator::setText
virtual void setText(const UnicodeString &text, UErrorCode &status)
Set the string text to be searched.
tblcoll.h
C++ API: The RuleBasedCollator class implements the Collator abstract base class.
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's affected.
icu::StringSearch
StringSearch is a SearchIterator that provides language-sensitive text searching based on the compari...
Definition: stsearch.h:132
icu::UnicodeString
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:293
icu::SearchIterator::operator==
virtual UBool operator==(const SearchIterator &that) const
Equality operator.
UClassID
void * UClassID
UClassID is used to identify classes without using the compiler's RTTI.
Definition: uobject.h:91
UErrorCode
UErrorCode
Error code to replace exception handling, so that the code is compatible with all C++ compilers,...
Definition: utypes.h:476
icu::UObject::getDynamicClassID
virtual UClassID getDynamicClassID() const
ICU4C "poor man's RTTI", returns a UClassID for the actual ICU class.
icu::RuleBasedCollator
The RuleBasedCollator class provides the implementation of Collator, using data-driven tables.
Definition: tblcoll.h:111
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::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 ...
icu::CharacterIterator
Abstract class that defines an API for iteration on text objects.
Definition: chariter.h:356
icu::SearchIterator::getOffset
virtual int32_t getOffset(void) const =0
Return the current index in the text being searched.
UStringSearch
struct UStringSearch UStringSearch
Data structure for searching.
Definition: usearch.h:156
icu::SearchIterator::safeClone
virtual SearchIterator * safeClone(void) const =0
Returns a copy of SearchIterator with the same behavior, and iterating over the same text,...
U_NAMESPACE_END
#define U_NAMESPACE_END
Definition: uversion.h:130
U_NAMESPACE_BEGIN
#define U_NAMESPACE_BEGIN
Definition: uversion.h:129
search.h
C++ API: SearchIterator object.
icu::Locale
A Locale object represents a specific geographical, political, or cultural region.
Definition: locid.h:185
icu::SearchIterator::operator=
SearchIterator & operator=(const SearchIterator &that)
Assignment operator.