PNG  IHDRxsBIT|d pHYs+tEXtSoftwarewww.inkscape.org<,tEXtComment File Manager

File Manager

Path: /opt/alt/alt-nodejs24/root/usr/include/unicode/

Viewing File: sortkey.h

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
 *****************************************************************************
 * Copyright (C) 1996-2014, International Business Machines Corporation and others.
 * All Rights Reserved.
 *****************************************************************************
 *
 * File sortkey.h
 *
 * Created by: Helena Shih
 *
 * Modification History:
 *
 *  Date         Name          Description
 *
 *  6/20/97     helena      Java class name change.
 *  8/18/97     helena      Added internal API documentation.
 *  6/26/98     erm         Changed to use byte arrays and memcmp.
 *****************************************************************************
 */

#ifndef SORTKEY_H
#define SORTKEY_H

#include "unicode/utypes.h"

#if U_SHOW_CPLUSPLUS_API

/**
 * \file 
 * \brief C++ API: Keys for comparing strings multiple times. 
 */
 
#if !UCONFIG_NO_COLLATION

#include "unicode/uobject.h"
#include "unicode/unistr.h"
#include "unicode/coll.h"

U_NAMESPACE_BEGIN

/* forward declaration */
class RuleBasedCollator;
class CollationKeyByteSink;

/**
 *
 * Collation keys are generated by the Collator class.  Use the CollationKey objects
 * instead of Collator to compare strings multiple times.  A CollationKey
 * preprocesses the comparison information from the Collator object to
 * make the comparison faster.  If you are not going to comparing strings
 * multiple times, then using the Collator object is generally faster,
 * since it only processes as much of the string as needed to make a
 * comparison.
 * <p> For example (with strength == tertiary)
 * <p>When comparing "Abernathy" to "Baggins-Smythworthy", Collator
 * only needs to process a couple of characters, while a comparison
 * with CollationKeys will process all of the characters.  On the other hand,
 * if you are doing a sort of a number of fields, it is much faster to use
 * CollationKeys, since you will be comparing strings multiple times.
 * <p>Typical use of CollationKeys are in databases, where you store a CollationKey
 * in a hidden field, and use it for sorting or indexing.
 *
 * <p>Example of use:
 * <pre>
 * \code
 *     UErrorCode success = U_ZERO_ERROR;
 *     Collator* myCollator = Collator::createInstance(success);
 *     CollationKey* keys = new CollationKey [3];
 *     myCollator->getCollationKey("Tom", keys[0], success );
 *     myCollator->getCollationKey("Dick", keys[1], success );
 *     myCollator->getCollationKey("Harry", keys[2], success );
 *
 *     // Inside body of sort routine, compare keys this way:
 *     CollationKey tmp;
 *     if(keys[0].compareTo( keys[1] ) > 0 ) {
 *         tmp = keys[0]; keys[0] = keys[1]; keys[1] = tmp;
 *     }
 *     //...
 * \endcode
 * </pre>
 * <p>Because Collator::compare()'s algorithm is complex, it is faster to sort
 * long lists of words by retrieving collation keys with Collator::getCollationKey().
 * You can then cache the collation keys and compare them using CollationKey::compareTo().
 * <p>
 * <strong>Note:</strong> <code>Collator</code>s with different Locale,
 * CollationStrength and DecompositionMode settings will return different
 * CollationKeys for the same set of strings. Locales have specific
 * collation rules, and the way in which secondary and tertiary differences
 * are taken into account, for example, will result in different CollationKeys
 * for same strings.
 * <p>

 * @see          Collator
 * @see          RuleBasedCollator
 * @version      1.3 12/18/96
 * @author       Helena Shih
 * @stable ICU 2.0
 */
class U_I18N_API CollationKey : public UObject {
public:
    /**
    * This creates an empty collation key based on the null string.  An empty
    * collation key contains no sorting information.  When comparing two empty
    * collation keys, the result is Collator::EQUAL.  Comparing empty collation key
    * with non-empty collation key is always Collator::LESS.
    * @stable ICU 2.0
    */
    CollationKey();


    /**
    * Creates a collation key based on the collation key values.
    * @param values the collation key values
    * @param count number of collation key values, including trailing nulls.
    * @stable ICU 2.0
    */
    CollationKey(const  uint8_t*    values,
                int32_t     count);

    /**
    * Copy constructor.
    * @param other    the object to be copied.
    * @stable ICU 2.0
    */
    CollationKey(const CollationKey& other);

    /**
    * Sort key destructor.
    * @stable ICU 2.0
    */
    virtual ~CollationKey();

    /**
    * Assignment operator
    * @param other    the object to be copied.
    * @stable ICU 2.0
    */
    const   CollationKey&   operator=(const CollationKey& other);

    /**
    * Compare if two collation keys are the same.
    * @param source the collation key to compare to.
    * @return Returns true if two collation keys are equal, false otherwise.
    * @stable ICU 2.0
    */
    bool                    operator==(const CollationKey& source) const;

    /**
    * Compare if two collation keys are not the same.
    * @param source the collation key to compare to.
    * @return Returns true if two collation keys are different, false otherwise.
    * @stable ICU 2.0
    */
    bool                    operator!=(const CollationKey& source) const;


    /**
    * Test to see if the key is in an invalid state. The key will be in an
    * invalid state if it couldn't allocate memory for some operation.
    * @return Returns true if the key is in an invalid, false otherwise.
    * @stable ICU 2.0
    */
    UBool isBogus() const;

    /**
    * Returns a pointer to the collation key values. The storage is owned
    * by the collation key and the pointer will become invalid if the key
    * is deleted.
    * @param count the output parameter of number of collation key values,
    * including any trailing nulls.
    * @return a pointer to the collation key values.
    * @stable ICU 2.0
    */
    const    uint8_t*       getByteArray(int32_t& count) const;

#ifdef U_USE_COLLATION_KEY_DEPRECATES
    /**
    * Extracts the collation key values into a new array. The caller owns
    * this storage and should free it.
    * @param count the output parameter of number of collation key values,
    * including any trailing nulls.
    * @obsolete ICU 2.6. Use getByteArray instead since this API will be removed in that release.
    */
    uint8_t*                toByteArray(int32_t& count) const;
#endif

#ifndef U_HIDE_DEPRECATED_API 
    /**
    * Convenience method which does a string(bit-wise) comparison of the
    * two collation keys.
    * @param target target collation key to be compared with
    * @return Returns Collator::LESS if sourceKey &lt; targetKey,
    * Collator::GREATER if sourceKey > targetKey and Collator::EQUAL
    * otherwise.
    * @deprecated ICU 2.6 use the overload with error code
    */
    Collator::EComparisonResult compareTo(const CollationKey& target) const;
#endif  /* U_HIDE_DEPRECATED_API */

    /**
    * Convenience method which does a string(bit-wise) comparison of the
    * two collation keys.
    * @param target target collation key to be compared with
    * @param status error code
    * @return Returns UCOL_LESS if sourceKey &lt; targetKey,
    * UCOL_GREATER if sourceKey > targetKey and UCOL_EQUAL
    * otherwise.
    * @stable ICU 2.6
    */
    UCollationResult compareTo(const CollationKey& target, UErrorCode &status) const;

    /**
    * Creates an integer that is unique to the collation key.  NOTE: this
    * is not the same as String.hashCode.
    * <p>Example of use:
    * <pre>
    * .    UErrorCode status = U_ZERO_ERROR;
    * .    Collator *myCollation = Collator::createInstance(Locale::US, status);
    * .    if (U_FAILURE(status)) return;
    * .    CollationKey key1, key2;
    * .    UErrorCode status1 = U_ZERO_ERROR, status2 = U_ZERO_ERROR;
    * .    myCollation->getCollationKey("abc", key1, status1);
    * .    if (U_FAILURE(status1)) { delete myCollation; return; }
    * .    myCollation->getCollationKey("ABC", key2, status2);
    * .    if (U_FAILURE(status2)) { delete myCollation; return; }
    * .    // key1.hashCode() != key2.hashCode()
    * </pre>
    * @return the hash value based on the string's collation order.
    * @see UnicodeString#hashCode
    * @stable ICU 2.0
    */
    int32_t hashCode() const;

    /**
     * ICU "poor man's RTTI", returns a UClassID for the actual class.
     * @stable ICU 2.2
     */
    virtual UClassID getDynamicClassID() const override;

    /**
     * ICU "poor man's RTTI", returns a UClassID for this class.
     * @stable ICU 2.2
     */
    static UClassID U_EXPORT2 getStaticClassID();

private:
    /**
     * Replaces the current bytes buffer with a new one of newCapacity
     * and copies length bytes from the old buffer to the new one.
     * @return the new buffer, or nullptr if the allocation failed
     */
    uint8_t *reallocate(int32_t newCapacity, int32_t length);
    /**
     * Set a new length for a new sort key in the existing fBytes.
     */
    void setLength(int32_t newLength);

    uint8_t *getBytes() {
        return (fFlagAndLength >= 0) ? fUnion.fStackBuffer : fUnion.fFields.fBytes;
    }
    const uint8_t *getBytes() const {
        return (fFlagAndLength >= 0) ? fUnion.fStackBuffer : fUnion.fFields.fBytes;
    }
    int32_t getCapacity() const {
        return fFlagAndLength >= 0 ? static_cast<int32_t>(sizeof(fUnion)) : fUnion.fFields.fCapacity;
    }
    int32_t getLength() const { return fFlagAndLength & 0x7fffffff; }

    /**
    * Set the CollationKey to a "bogus" or invalid state
    * @return this CollationKey
    */
    CollationKey& setToBogus();
    /**
    * Resets this CollationKey to an empty state
    * @return this CollationKey
    */
    CollationKey& reset();

    /**
    * Allow private access to RuleBasedCollator
    */
    friend  class           RuleBasedCollator;
    friend  class           CollationKeyByteSink;

    // Class fields. sizeof(CollationKey) is intended to be 48 bytes
    // on a machine with 64-bit pointers.
    // We use a union to maximize the size of the internal buffer,
    // similar to UnicodeString but not as tight and complex.

    // (implicit) *vtable;
    /**
     * Sort key length and flag.
     * Bit 31 is set if the buffer is heap-allocated.
     * Bits 30..0 contain the sort key length.
     */
    int32_t fFlagAndLength;
    /**
    * Unique hash value of this CollationKey.
    * Special value 2 if the key is bogus.
    */
    mutable int32_t fHashCode;
    /**
     * fUnion provides 32 bytes for the internal buffer or for
     * pointer+capacity.
     */
    union StackBufferOrFields {
        /** fStackBuffer is used iff fFlagAndLength>=0, else fFields is used */
        uint8_t fStackBuffer[32];
        struct {
            uint8_t *fBytes;
            int32_t fCapacity;
        } fFields;
    } fUnion;
};

inline bool
CollationKey::operator!=(const CollationKey& other) const
{
    return !(*this == other);
}

inline UBool
CollationKey::isBogus() const
{
    return fHashCode == 2;  // kBogusHashCode
}

inline const uint8_t*
CollationKey::getByteArray(int32_t &count) const
{
    count = getLength();
    return getBytes();
}

U_NAMESPACE_END

#endif /* #if !UCONFIG_NO_COLLATION */

#endif /* U_SHOW_CPLUSPLUS_API */

#endif
b IDATxytVսϓ22 A@IR :hCiZ[v*E:WũZA ^dQeQ @ !jZ'>gsV仿$|?g)&x-EIENT ;@xT.i%-X}SvS5.r/UHz^_$-W"w)Ɗ/@Z &IoX P$K}JzX:;` &, ŋui,e6mX ԵrKb1ԗ)DADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADA݀!I*]R;I2$eZ#ORZSrr6mteffu*((Pu'v{DIߔ4^pIm'77WEEE;vƎ4-$]'RI{\I&G :IHJ DWBB=\WR޽m o$K(V9ABB.}jѢv`^?IOȅ} ڶmG}T#FJ`56$-ھ}FI&v;0(h;Б38CӧOWf!;A i:F_m9s&|q%=#wZprrrla A &P\\СC[A#! {olF} `E2}MK/vV)i{4BffV\|ۭX`b@kɶ@%i$K z5zhmX[IXZ` 'b%$r5M4º/l ԃߖxhʔ)[@=} K6IM}^5k㏷݆z ΗÿO:gdGBmyT/@+Vɶ纽z񕏵l.y޴it뭷zV0[Y^>Wsqs}\/@$(T7f.InݺiR$푔n.~?H))\ZRW'Mo~v Ov6oԃxz! S,&xm/yɞԟ?'uaSѽb,8GלKboi&3t7Y,)JJ c[nzӳdE&KsZLӄ I?@&%ӟ۶mSMMњ0iؐSZ,|J+N ~,0A0!5%Q-YQQa3}$_vVrf9f?S8`zDADADADADADADADADAdqP,تmMmg1V?rSI꒟]u|l RCyEf٢9 jURbztѰ!m5~tGj2DhG*{H9)꒟ר3:(+3\?/;TUݭʴ~S6lڧUJ*i$d(#=Yݺd{,p|3B))q:vN0Y.jkק6;SɶVzHJJЀ-utѹսk>QUU\޲~]fFnK?&ߡ5b=z9)^|u_k-[y%ZNU6 7Mi:]ۦtk[n X(e6Bb."8cۭ|~teuuw|ήI-5"~Uk;ZicEmN/:]M> cQ^uiƞ??Ңpc#TUU3UakNwA`:Y_V-8.KKfRitv޲* 9S6ֿj,ՃNOMߤ]z^fOh|<>@Å5 _/Iu?{SY4hK/2]4%it5q]GGe2%iR| W&f*^]??vq[LgE_3f}Fxu~}qd-ږFxu~I N>\;͗O֊:̗WJ@BhW=y|GgwܷH_NY?)Tdi'?խwhlmQi !SUUsw4kӺe4rfxu-[nHtMFj}H_u~w>)oV}(T'ebʒv3_[+vn@Ȭ\S}ot}w=kHFnxg S 0eޢm~l}uqZfFoZuuEg `zt~? b;t%>WTkķh[2eG8LIWx,^\thrl^Ϊ{=dž<}qV@ ⠨Wy^LF_>0UkDuʫuCs$)Iv:IK;6ֲ4{^6եm+l3>݆uM 9u?>Zc }g~qhKwڭeFMM~pМuqǿz6Tb@8@Y|jx](^]gf}M"tG -w.@vOqh~/HII`S[l.6nØXL9vUcOoB\xoǤ'T&IǍQw_wpv[kmO{w~>#=P1Pɞa-we:iǏlHo׈꒟f9SzH?+shk%Fs:qVhqY`jvO'ρ?PyX3lх]˾uV{ݞ]1,MzYNW~̈́ joYn}ȚF߾׮mS]F z+EDxm/d{F{-W-4wY듏:??_gPf ^3ecg ҵs8R2מz@TANGj)}CNi/R~}c:5{!ZHӋӾ6}T]G]7W6^n 9*,YqOZj:P?Q DFL|?-^.Ɵ7}fFh׶xe2Pscz1&5\cn[=Vn[ĶE鎀uˌd3GII k;lNmشOuuRVfBE]ۣeӶu :X-[(er4~LHi6:Ѻ@ԅrST0trk%$Č0ez" *z"T/X9|8.C5Feg}CQ%͞ˣJvL/?j^h&9xF`њZ(&yF&Iݻfg#W;3^{Wo^4'vV[[K';+mӍִ]AC@W?1^{එyh +^]fm~iԵ]AB@WTk̏t uR?l.OIHiYyԶ]Aˀ7c:q}ힽaf6Z~қm(+sK4{^6}T*UUu]n.:kx{:2 _m=sAߤU@?Z-Vކеz왍Nэ{|5 pڶn b p-@sPg]0G7fy-M{GCF'%{4`=$-Ge\ eU:m+Zt'WjO!OAF@ik&t݆ϥ_ e}=]"Wz_.͜E3leWFih|t-wZۍ-uw=6YN{6|} |*={Ѽn.S.z1zjۻTH]흾 DuDvmvK.`V]yY~sI@t?/ϓ. m&["+P?MzovVЫG3-GRR[(!!\_,^%?v@ҵő m`Y)tem8GMx.))A]Y i`ViW`?^~!S#^+ѽGZj?Vģ0.))A꨷lzL*]OXrY`DBBLOj{-MH'ii-ϰ ok7^ )쭡b]UXSְmռY|5*cֽk0B7镹%ڽP#8nȎq}mJr23_>lE5$iwui+ H~F`IjƵ@q \ @#qG0".0" l`„.0! ,AQHN6qzkKJ#o;`Xv2>,tێJJ7Z/*A .@fفjMzkg @TvZH3Zxu6Ra'%O?/dQ5xYkU]Rֽkق@DaS^RSּ5|BeHNN͘p HvcYcC5:y #`οb;z2.!kr}gUWkyZn=f Pvsn3p~;4p˚=ē~NmI] ¾ 0lH[_L hsh_ғߤc_њec)g7VIZ5yrgk̞W#IjӪv>՞y睝M8[|]\շ8M6%|@PZڨI-m>=k='aiRo-x?>Q.}`Ȏ:Wsmu u > .@,&;+!!˱tﭧDQwRW\vF\~Q7>spYw$%A~;~}6¾ g&if_=j,v+UL1(tWake:@Ș>j$Gq2t7S?vL|]u/ .(0E6Mk6hiۺzښOrifޱxm/Gx> Lal%%~{lBsR4*}{0Z/tNIɚpV^#Lf:u@k#RSu =S^ZyuR/.@n&΃z~B=0eg뺆#,Þ[B/?H uUf7y Wy}Bwegל`Wh(||`l`.;Ws?V@"c:iɍL֯PGv6zctM̠':wuW;d=;EveD}9J@B(0iհ bvP1{\P&G7D޴Iy_$-Qjm~Yrr&]CDv%bh|Yzni_ˆR;kg}nJOIIwyuL}{ЌNj}:+3Y?:WJ/N+Rzd=hb;dj͒suݔ@NKMԄ jqzC5@y°hL m;*5ezᕏ=ep XL n?מ:r`۵tŤZ|1v`V뽧_csج'ߤ%oTuumk%%%h)uy]Nk[n 'b2 l.=͜E%gf$[c;s:V-͞WߤWh-j7]4=F-X]>ZLSi[Y*We;Zan(ӇW|e(HNNP5[= r4tP &0<pc#`vTNV GFqvTi*Tyam$ߏWyE*VJKMTfFw>'$-ؽ.Ho.8c"@DADADADADADADADADA~j*֘,N;Pi3599h=goضLgiJ5փy~}&Zd9p֚ e:|hL``b/d9p? fgg+%%hMgXosج, ΩOl0Zh=xdjLmhݻoO[g_l,8a]٭+ӧ0$I]c]:粹:Teꢢ"5a^Kgh,&= =՟^߶“ߢE ܹS J}I%:8 IDAT~,9/ʃPW'Mo}zNƍ쨓zPbNZ~^z=4mswg;5 Y~SVMRXUյڱRf?s:w ;6H:ºi5-maM&O3;1IKeamZh͛7+##v+c ~u~ca]GnF'ټL~PPPbn voC4R,ӟgg %hq}@#M4IÇ Oy^xMZx ) yOw@HkN˖-Sǎmb]X@n+i͖!++K3gd\$mt$^YfJ\8PRF)77Wא!Cl$i:@@_oG I{$# 8磌ŋ91A (Im7֭>}ߴJq7ޗt^ -[ԩSj*}%]&' -ɓ'ꫯVzzvB#;a 7@GxI{j޼ƌ.LÇWBB7`O"I$/@R @eee@۷>}0,ɒ2$53Xs|cS~rpTYYY} kHc %&k.], @ADADADADADADADADA@lT<%''*Lo^={رc5h %$+CnܸQ3fҥK}vUVVs9G R,_{xˇ3o߾;TTTd}馛]uuuG~iԩ@4bnvmvfϞ /Peeeq}}za I~,誫{UWW뮻}_~YƍSMMMYχ֝waw\ďcxꩧtEƍկ_?۷5@u?1kNׯWzz/wy>}zj3 k(ٺuq_Zvf̘:~ ABQ&r|!%KҥKgԞ={<_X-z !CyFUUz~ ABQIIIjݺW$UXXDٳZ~ ABQƍecW$<(~<RSSvZujjjԧOZQu@4 8m&&&jԩg$ď1h ͟?_{768@g =@`)))5o6m3)ѣƌJ;wҿUTT /KZR{~a=@0o<*狔iFɶ[ˎ;T]]OX@?K.ۈxN pppppppppppppppppPfl߾] ,{ァk۶mڿo5BTӦMӴiӴ|r DB2e|An!Dy'tkΝ[A $***t5' "!駟oaDnΝ:t֭[gDШQ06qD;@ x M6v(PiizmZ4ew"@̴ixf [~-Fٱc&IZ2|n!?$@{[HTɏ#@hȎI# _m(F /6Z3z'\r,r!;w2Z3j=~GY7"I$iI.p_"?pN`y DD?: _  Gÿab7J !Bx@0 Bo cG@`1C[@0G @`0C_u V1 aCX>W ` | `!<S `"<. `#c`?cAC4 ?c p#~@0?:08&_MQ1J h#?/`7;I  q 7a wQ A 1 Hp !#<8/#@1Ul7=S=K.4Z?E_$i@!1!E4?`P_  @Bă10#: "aU,xbFY1 [n|n #'vEH:`xb #vD4Y hi.i&EΖv#O H4IŶ}:Ikh @tZRF#(tXҙzZ ?I3l7q@õ|ۍ1,GpuY Ꮿ@hJv#xxk$ v#9 5 }_$c S#=+"K{F*m7`#%H:NRSp6I?sIՖ{Ap$I$I:QRv2$Z @UJ*$]<FO4IENDB`