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ðŸ“„ alphaindex.h(26.42 KB)
ðŸ“„ appendable.h(8.43 KB)
ðŸ“„ basictz.h(8.84 KB)
ðŸ“„ brkiter.h(27.64 KB)
ðŸ“„ bytestream.h(9.54 KB)
ðŸ“„ bytestrie.h(19.26 KB)
ðŸ“„ bytestriebuilder.h(7.02 KB)
ðŸ“„ calendar.h(105.06 KB)
ðŸ“„ caniter.h(7.37 KB)
ðŸ“„ casemap.h(25.26 KB)
ðŸ“„ char16ptr.h(7.16 KB)
ðŸ“„ chariter.h(24 KB)
ðŸ“„ choicfmt.h(23.85 KB)
ðŸ“„ coleitr.h(13.7 KB)
ðŸ“„ coll.h(55.59 KB)
ðŸ“„ compactdecimalformat.h(6.81 KB)
ðŸ“„ curramt.h(3.69 KB)
ðŸ“„ currpinf.h(7.24 KB)
ðŸ“„ currunit.h(3.99 KB)
ðŸ“„ datefmt.h(40.37 KB)
ðŸ“„ dbbi.h(1.11 KB)
ðŸ“„ dcfmtsym.h(20.1 KB)
ðŸ“„ decimfmt.h(87.82 KB)
ðŸ“„ docmain.h(6.96 KB)
ðŸ“„ dtfmtsym.h(37.64 KB)
ðŸ“„ dtintrv.h(3.78 KB)
ðŸ“„ dtitvfmt.h(46.56 KB)
ðŸ“„ dtitvinf.h(18.46 KB)
ðŸ“„ dtptngen.h(25.08 KB)
ðŸ“„ dtrule.h(8.62 KB)
ðŸ“„ edits.h(20.67 KB)
ðŸ“„ enumset.h(2.08 KB)
ðŸ“„ errorcode.h(4.78 KB)
ðŸ“„ fieldpos.h(8.63 KB)
ðŸ“„ filteredbrk.h(5.24 KB)
ðŸ“„ fmtable.h(24.36 KB)
ðŸ“„ format.h(12.44 KB)
ðŸ“„ formattedvalue.h(9.73 KB)
ðŸ“„ fpositer.h(2.98 KB)
ðŸ“„ gender.h(3.27 KB)
ðŸ“„ gregocal.h(31.57 KB)
ðŸ“„ icudataver.h(1.03 KB)
ðŸ“„ icuplug.h(11.88 KB)
ðŸ“„ idna.h(12.63 KB)
ðŸ“„ listformatter.h(9.42 KB)
ðŸ“„ localebuilder.h(10.54 KB)
ðŸ“„ localpointer.h(19.69 KB)
ðŸ“„ locdspnm.h(7.06 KB)
ðŸ“„ locid.h(44.94 KB)
ðŸ“„ measfmt.h(11.44 KB)
ðŸ“„ measunit.h(88.17 KB)
ðŸ“„ measure.h(4.26 KB)
ðŸ“„ messagepattern.h(33.65 KB)
ðŸ“„ msgfmt.h(44.04 KB)
ðŸ“„ normalizer2.h(33.97 KB)
ðŸ“„ normlzr.h(30.74 KB)
ðŸ“„ nounit.h(2.63 KB)
ðŸ“„ numberformatter.h(84.62 KB)
ðŸ“„ numberrangeformatter.h(29.93 KB)
ðŸ“„ numfmt.h(49.35 KB)
ðŸ“„ numsys.h(7.13 KB)
ðŸ“„ parseerr.h(3.08 KB)
ðŸ“„ parsepos.h(5.5 KB)
ðŸ“„ platform.h(27.1 KB)
ðŸ“„ plurfmt.h(25.18 KB)
ðŸ“„ plurrule.h(18.33 KB)
ðŸ“„ ptypes.h(3.49 KB)
ðŸ“„ putil.h(6.33 KB)
ðŸ“„ rbbi.h(26.42 KB)
ðŸ“„ rbnf.h(49.79 KB)
ðŸ“„ rbtz.h(15.47 KB)
ðŸ“„ regex.h(84.3 KB)
ðŸ“„ region.h(9.12 KB)
ðŸ“„ reldatefmt.h(22.37 KB)
ðŸ“„ rep.h(9.5 KB)
ðŸ“„ resbund.h(18.01 KB)
ðŸ“„ schriter.h(6.26 KB)
ðŸ“„ scientificnumberformatter.h(6.32 KB)
ðŸ“„ search.h(22.21 KB)
ðŸ“„ selfmt.h(14.24 KB)
ðŸ“„ simpleformatter.h(12.53 KB)
ðŸ“„ simpletz.h(45.3 KB)
ðŸ“„ smpdtfmt.h(70.9 KB)
ðŸ“„ sortkey.h(11.12 KB)
ðŸ“„ std_string.h(1015 B)
ðŸ“„ strenum.h(10.04 KB)
ðŸ“„ stringoptions.h(5.79 KB)
ðŸ“„ stringpiece.h(6.46 KB)
ðŸ“„ stringtriebuilder.h(15.27 KB)
ðŸ“„ stsearch.h(21.29 KB)
ðŸ“„ symtable.h(4.21 KB)
ðŸ“„ tblcoll.h(36.4 KB)
ðŸ“„ timezone.h(41.2 KB)
ðŸ“„ tmunit.h(3.29 KB)
ðŸ“„ tmutamt.h(4.8 KB)
ðŸ“„ tmutfmt.h(7.79 KB)
ðŸ“„ translit.h(65.76 KB)
ðŸ“„ tzfmt.h(42.82 KB)
ðŸ“„ tznames.h(16.79 KB)
ðŸ“„ tzrule.h(35.32 KB)
ðŸ“„ tztrans.h(6.07 KB)
ðŸ“„ ubidi.h(89.56 KB)
ðŸ“„ ubiditransform.h(12.65 KB)
ðŸ“„ ubrk.h(23.97 KB)
ðŸ“„ ucal.h(55.54 KB)
ðŸ“„ ucasemap.h(15.18 KB)
ðŸ“„ ucat.h(5.36 KB)
ðŸ“„ uchar.h(140.66 KB)
ðŸ“„ ucharstrie.h(21.06 KB)
ðŸ“„ ucharstriebuilder.h(7.14 KB)
ðŸ“„ uchriter.h(13.14 KB)
ðŸ“„ uclean.h(11.21 KB)
ðŸ“„ ucnv.h(83.09 KB)
ðŸ“„ ucnv_cb.h(6.59 KB)
ðŸ“„ ucnv_err.h(20.99 KB)
ðŸ“„ ucnvsel.h(6.14 KB)
ðŸ“„ ucol.h(61.39 KB)
ðŸ“„ ucoleitr.h(9.46 KB)
ðŸ“„ uconfig.h(12.05 KB)
ðŸ“„ ucpmap.h(5.58 KB)
ðŸ“„ ucptrie.h(22.29 KB)
ðŸ“„ ucsdet.h(14.67 KB)
ðŸ“„ ucurr.h(16.15 KB)
ðŸ“„ udat.h(60.81 KB)
ðŸ“„ udata.h(15.53 KB)
ðŸ“„ udateintervalformat.h(10.03 KB)
ðŸ“„ udatpg.h(25.94 KB)
ðŸ“„ udisplaycontext.h(5.89 KB)
ðŸ“„ uenum.h(7.78 KB)
ðŸ“„ ufieldpositer.h(4.36 KB)
ðŸ“„ uformattable.h(10.94 KB)
ðŸ“„ uformattedvalue.h(12.14 KB)
ðŸ“„ ugender.h(2 KB)
ðŸ“„ uidna.h(33.37 KB)
ðŸ“„ uiter.h(22.77 KB)
ðŸ“„ uldnames.h(10.45 KB)
ðŸ“„ ulistformatter.h(8.83 KB)
ðŸ“„ uloc.h(50.75 KB)
ðŸ“„ ulocdata.h(11.26 KB)
ðŸ“„ umachine.h(13.19 KB)
ðŸ“„ umisc.h(1.33 KB)
ðŸ“„ umsg.h(24.23 KB)
ðŸ“„ umutablecptrie.h(8.28 KB)
ðŸ“„ unifilt.h(3.63 KB)
ðŸ“„ unifunct.h(3.98 KB)
ðŸ“„ unimatch.h(6.04 KB)
ðŸ“„ unirepl.h(3.32 KB)
ðŸ“„ uniset.h(64.88 KB)
ðŸ“„ unistr.h(170.39 KB)
ðŸ“„ unorm.h(20.45 KB)
ðŸ“„ unorm2.h(24.66 KB)
ðŸ“„ unum.h(53.55 KB)
ðŸ“„ unumberformatter.h(25.19 KB)
ðŸ“„ unumsys.h(7.21 KB)
ðŸ“„ uobject.h(10.85 KB)
ðŸ“„ upluralrules.h(7.88 KB)
ðŸ“„ uregex.h(72.05 KB)
ðŸ“„ uregion.h(9.84 KB)
ðŸ“„ ureldatefmt.h(17.26 KB)
ðŸ“„ urename.h(131.4 KB)
ðŸ“„ urep.h(5.38 KB)
ðŸ“„ ures.h(36.54 KB)
ðŸ“„ uscript.h(26.87 KB)
ðŸ“„ usearch.h(38.12 KB)
ðŸ“„ uset.h(40 KB)
ðŸ“„ usetiter.h(9.49 KB)
ðŸ“„ ushape.h(18 KB)
ðŸ“„ uspoof.h(66.03 KB)
ðŸ“„ usprep.h(8.14 KB)
ðŸ“„ ustdio.h(38.54 KB)
ðŸ“„ ustream.h(1.8 KB)
ðŸ“„ ustring.h(72.47 KB)
ðŸ“„ ustringtrie.h(3.15 KB)
ðŸ“„ utext.h(58.11 KB)
ðŸ“„ utf.h(7.86 KB)
ðŸ“„ utf16.h(22.33 KB)
ðŸ“„ utf32.h(763 B)
ðŸ“„ utf8.h(29.96 KB)
ðŸ“„ utf_old.h(43.78 KB)
ðŸ“„ utmscale.h(13.78 KB)
ðŸ“„ utrace.h(13.89 KB)
ðŸ“„ utrans.h(25.54 KB)
ðŸ“„ utypes.h(30.38 KB)
ðŸ“„ uvernum.h(6.67 KB)
ðŸ“„ uversion.h(6.7 KB)
ðŸ“„ vtzone.h(20.17 KB)

Editing: char16ptr.h

// © 2017 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html

// char16ptr.h
// created: 2017feb28 Markus W. Scherer

#ifndef __CHAR16PTR_H__
#define __CHAR16PTR_H__

#include <cstddef>
#include "unicode/utypes.h"

/**
 * \file
 * \brief C++ API: char16_t pointer wrappers with
 *        implicit conversion from bit-compatible raw pointer types.
 *        Also conversion functions from char16_t * to UChar * and OldUChar *.
 */

U_NAMESPACE_BEGIN

/**
 * \def U_ALIASING_BARRIER
 * Barrier for pointer anti-aliasing optimizations even across function boundaries.
 * @internal
 */
#ifdef U_ALIASING_BARRIER
    // Use the predefined value.
#elif (defined(__clang__) || defined(__GNUC__)) && U_PLATFORM != U_PF_BROWSER_NATIVE_CLIENT
#   define U_ALIASING_BARRIER(ptr) asm volatile("" : : "rm"(ptr) : "memory")
#elif defined(U_IN_DOXYGEN)
#   define U_ALIASING_BARRIER(ptr)
#endif

/**
 * char16_t * wrapper with implicit conversion from distinct but bit-compatible pointer types.
 * @stable ICU 59
 */
class U_COMMON_API Char16Ptr U_FINAL {
public:
    /**
     * Copies the pointer.
     * @param p pointer
     * @stable ICU 59
     */
    inline Char16Ptr(char16_t *p);
#if !U_CHAR16_IS_TYPEDEF
    /**
     * Converts the pointer to char16_t *.
     * @param p pointer to be converted
     * @stable ICU 59
     */
    inline Char16Ptr(uint16_t *p);
#endif
#if U_SIZEOF_WCHAR_T==2 || defined(U_IN_DOXYGEN)
    /**
     * Converts the pointer to char16_t *.
     * (Only defined if U_SIZEOF_WCHAR_T==2.)
     * @param p pointer to be converted
     * @stable ICU 59
     */
    inline Char16Ptr(wchar_t *p);
#endif
    /**
     * nullptr constructor.
     * @param p nullptr
     * @stable ICU 59
     */
    inline Char16Ptr(std::nullptr_t p);
    /**
     * Destructor.
     * @stable ICU 59
     */
    inline ~Char16Ptr();

/**
     * Pointer access.
     * @return the wrapped pointer
     * @stable ICU 59
     */
    inline char16_t *get() const;
    /**
     * char16_t pointer access via type conversion (e.g., static_cast).
     * @return the wrapped pointer
     * @stable ICU 59
     */
    inline operator char16_t *() const { return get(); }

private:
    Char16Ptr() = delete;

#ifdef U_ALIASING_BARRIER
    template<typename T> static char16_t *cast(T *t) {
        U_ALIASING_BARRIER(t);
        return reinterpret_cast<char16_t *>(t);
    }

char16_t *p_;
#else
    union {
        char16_t *cp;
        uint16_t *up;
        wchar_t *wp;
    } u_;
#endif
};

/// \cond
#ifdef U_ALIASING_BARRIER

Char16Ptr::Char16Ptr(char16_t *p) : p_(p) {}
#if !U_CHAR16_IS_TYPEDEF
Char16Ptr::Char16Ptr(uint16_t *p) : p_(cast(p)) {}
#endif
#if U_SIZEOF_WCHAR_T==2
Char16Ptr::Char16Ptr(wchar_t *p) : p_(cast(p)) {}
#endif
Char16Ptr::Char16Ptr(std::nullptr_t p) : p_(p) {}
Char16Ptr::~Char16Ptr() {
    U_ALIASING_BARRIER(p_);
}

char16_t *Char16Ptr::get() const { return p_; }

#else

Char16Ptr::Char16Ptr(char16_t *p) { u_.cp = p; }
#if !U_CHAR16_IS_TYPEDEF
Char16Ptr::Char16Ptr(uint16_t *p) { u_.up = p; }
#endif
#if U_SIZEOF_WCHAR_T==2
Char16Ptr::Char16Ptr(wchar_t *p) { u_.wp = p; }
#endif
Char16Ptr::Char16Ptr(std::nullptr_t p) { u_.cp = p; }
Char16Ptr::~Char16Ptr() {}

char16_t *Char16Ptr::get() const { return u_.cp; }

#endif
/// \endcond

/**
 * const char16_t * wrapper with implicit conversion from distinct but bit-compatible pointer types.
 * @stable ICU 59
 */
class U_COMMON_API ConstChar16Ptr U_FINAL {
public:
    /**
     * Copies the pointer.
     * @param p pointer
     * @stable ICU 59
     */
    inline ConstChar16Ptr(const char16_t *p);
#if !U_CHAR16_IS_TYPEDEF
    /**
     * Converts the pointer to char16_t *.
     * @param p pointer to be converted
     * @stable ICU 59
     */
    inline ConstChar16Ptr(const uint16_t *p);
#endif
#if U_SIZEOF_WCHAR_T==2 || defined(U_IN_DOXYGEN)
    /**
     * Converts the pointer to char16_t *.
     * (Only defined if U_SIZEOF_WCHAR_T==2.)
     * @param p pointer to be converted
     * @stable ICU 59
     */
    inline ConstChar16Ptr(const wchar_t *p);
#endif
    /**
     * nullptr constructor.
     * @param p nullptr
     * @stable ICU 59
     */
    inline ConstChar16Ptr(const std::nullptr_t p);

/**
     * Destructor.
     * @stable ICU 59
     */
    inline ~ConstChar16Ptr();

/**
     * Pointer access.
     * @return the wrapped pointer
     * @stable ICU 59
     */
    inline const char16_t *get() const;
    /**
     * char16_t pointer access via type conversion (e.g., static_cast).
     * @return the wrapped pointer
     * @stable ICU 59
     */
    inline operator const char16_t *() const { return get(); }

private:
    ConstChar16Ptr() = delete;

#ifdef U_ALIASING_BARRIER
    template<typename T> static const char16_t *cast(const T *t) {
        U_ALIASING_BARRIER(t);
        return reinterpret_cast<const char16_t *>(t);
    }

const char16_t *p_;
#else
    union {
        const char16_t *cp;
        const uint16_t *up;
        const wchar_t *wp;
    } u_;
#endif
};

/// \cond
#ifdef U_ALIASING_BARRIER

ConstChar16Ptr::ConstChar16Ptr(const char16_t *p) : p_(p) {}
#if !U_CHAR16_IS_TYPEDEF
ConstChar16Ptr::ConstChar16Ptr(const uint16_t *p) : p_(cast(p)) {}
#endif
#if U_SIZEOF_WCHAR_T==2
ConstChar16Ptr::ConstChar16Ptr(const wchar_t *p) : p_(cast(p)) {}
#endif
ConstChar16Ptr::ConstChar16Ptr(const std::nullptr_t p) : p_(p) {}
ConstChar16Ptr::~ConstChar16Ptr() {
    U_ALIASING_BARRIER(p_);
}

const char16_t *ConstChar16Ptr::get() const { return p_; }

#else

ConstChar16Ptr::ConstChar16Ptr(const char16_t *p) { u_.cp = p; }
#if !U_CHAR16_IS_TYPEDEF
ConstChar16Ptr::ConstChar16Ptr(const uint16_t *p) { u_.up = p; }
#endif
#if U_SIZEOF_WCHAR_T==2
ConstChar16Ptr::ConstChar16Ptr(const wchar_t *p) { u_.wp = p; }
#endif
ConstChar16Ptr::ConstChar16Ptr(const std::nullptr_t p) { u_.cp = p; }
ConstChar16Ptr::~ConstChar16Ptr() {}

const char16_t *ConstChar16Ptr::get() const { return u_.cp; }

#endif
/// \endcond

/**
 * Converts from const char16_t * to const UChar *.
 * Includes an aliasing barrier if available.
 * @param p pointer
 * @return p as const UChar *
 * @stable ICU 59
 */
inline const UChar *toUCharPtr(const char16_t *p) {
#ifdef U_ALIASING_BARRIER
    U_ALIASING_BARRIER(p);
#endif
    return reinterpret_cast<const UChar *>(p);
}

/**
 * Converts from char16_t * to UChar *.
 * Includes an aliasing barrier if available.
 * @param p pointer
 * @return p as UChar *
 * @stable ICU 59
 */
inline UChar *toUCharPtr(char16_t *p) {
#ifdef U_ALIASING_BARRIER
    U_ALIASING_BARRIER(p);
#endif
    return reinterpret_cast<UChar *>(p);
}

/**
 * Converts from const char16_t * to const OldUChar *.
 * Includes an aliasing barrier if available.
 * @param p pointer
 * @return p as const OldUChar *
 * @stable ICU 59
 */
inline const OldUChar *toOldUCharPtr(const char16_t *p) {
#ifdef U_ALIASING_BARRIER
    U_ALIASING_BARRIER(p);
#endif
    return reinterpret_cast<const OldUChar *>(p);
}

/**
 * Converts from char16_t * to OldUChar *.
 * Includes an aliasing barrier if available.
 * @param p pointer
 * @return p as OldUChar *
 * @stable ICU 59
 */
inline OldUChar *toOldUCharPtr(char16_t *p) {
#ifdef U_ALIASING_BARRIER
    U_ALIASING_BARRIER(p);
#endif
    return reinterpret_cast<OldUChar *>(p);
}

U_NAMESPACE_END

#endif  // __CHAR16PTR_H__

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