stsearch.h

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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
*   Copyright (C) 2001-2014 IBM and others. All rights reserved.
**********************************************************************
*   Date        Name        Description
*  03/22/2000   helena      Creation.
**********************************************************************
*/

#ifndef STSEARCH_H
#define STSEARCH_H

#include "unicode/utypes.h"

#if U_SHOW_CPLUSPLUS_API

#if !UCONFIG_NO_COLLATION && !UCONFIG_NO_BREAK_ITERATION

#include "unicode/tblcoll.h"
#include "unicode/coleitr.h"
#include "unicode/search.h"

U_NAMESPACE_BEGIN

class U_I18N_API StringSearch final : public SearchIterator
{
public:

    // public constructors and destructors --------------------------------

    StringSearch(const UnicodeString &pattern, const UnicodeString &text,
                 const Locale        &locale,       
                       BreakIterator *breakiter,
                       UErrorCode    &status);

    StringSearch(const UnicodeString     &pattern, 
                 const UnicodeString     &text,
                       RuleBasedCollator *coll,       
                       BreakIterator     *breakiter,
                       UErrorCode        &status);

    StringSearch(const UnicodeString &pattern, CharacterIterator &text,
                 const Locale        &locale, 
                       BreakIterator *breakiter,
                       UErrorCode    &status);

    StringSearch(const UnicodeString     &pattern, CharacterIterator &text,
                       RuleBasedCollator *coll, 
                       BreakIterator     *breakiter,
                       UErrorCode        &status);

    StringSearch(const StringSearch &that);

    virtual ~StringSearch(void);

    StringSearch *clone() const;

    // operator overloading ---------------------------------------------

    StringSearch & operator=(const StringSearch &that);

    virtual bool operator==(const SearchIterator &that) const override;

    // public get and set methods ----------------------------------------

    virtual void setOffset(int32_t position, UErrorCode &status) override;

    virtual int32_t getOffset(void) const override;

    virtual void setText(const UnicodeString &text, UErrorCode &status) override;
    
    virtual void setText(CharacterIterator &text, UErrorCode &status) override;

    RuleBasedCollator * getCollator() const;
    
    void setCollator(RuleBasedCollator *coll, UErrorCode &status);
    
    void setPattern(const UnicodeString &pattern, UErrorCode &status);
    
    const UnicodeString & getPattern() const;

    // public methods ----------------------------------------------------

    virtual void reset() override;

    virtual StringSearch * safeClone() const override;
    
    virtual UClassID getDynamicClassID() const override;

    static UClassID U_EXPORT2 getStaticClassID();

protected:

    // protected method -------------------------------------------------

    virtual int32_t handleNext(int32_t position, UErrorCode &status) override;

    virtual int32_t handlePrev(int32_t position, UErrorCode &status) override;
    
private :
    StringSearch() = delete; // default constructor not implemented

    // private data members ----------------------------------------------

    UnicodeString      m_pattern_;
    UStringSearch     *m_strsrch_;

};

U_NAMESPACE_END

#endif /* #if !UCONFIG_NO_COLLATION */

#endif /* U_SHOW_CPLUSPLUS_API */

#endif