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

Code Editor : appendable.h

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
*   Copyright (C) 2011-2012, International Business Machines
*   Corporation and others.  All Rights Reserved.
*******************************************************************************
*   file name:  appendable.h
*   encoding:   UTF-8
*   tab size:   8 (not used)
*   indentation:4
*
*   created on: 2010dec07
*   created by: Markus W. Scherer
*/

#ifndef __APPENDABLE_H__
#define __APPENDABLE_H__

/**
 * \file
 * \brief C++ API: Appendable class: Sink for Unicode code points and 16-bit code units (char16_ts).
 */

#include "unicode/utypes.h"
#include "unicode/uobject.h"

U_NAMESPACE_BEGIN

class UnicodeString;

/**
 * Base class for objects to which Unicode characters and strings can be appended.
 * Combines elements of Java Appendable and ICU4C ByteSink.
 *
 * This class can be used in APIs where it does not matter whether the actual destination is
 * a UnicodeString, a char16_t[] array, a UnicodeSet, or any other object
 * that receives and processes characters and/or strings.
 *
 * Implementation classes must implement at least appendCodeUnit(char16_t).
 * The base class provides default implementations for the other methods.
 *
 * The methods do not take UErrorCode parameters.
 * If an error occurs (e.g., out-of-memory),
 * in addition to returning FALSE from failing operations,
 * the implementation must prevent unexpected behavior (e.g., crashes)
 * from further calls and should make the error condition available separately
 * (e.g., store a UErrorCode, make/keep a UnicodeString bogus).
 * @stable ICU 4.8
 */
class U_COMMON_API Appendable : public UObject {
public:
    /**
     * Destructor.
     * @stable ICU 4.8
     */
    ~Appendable();

/**
     * Appends a 16-bit code unit.
     * @param c code unit
     * @return TRUE if the operation succeeded
     * @stable ICU 4.8
     */
    virtual UBool appendCodeUnit(char16_t c) = 0;

/**
     * Appends a code point.
     * The default implementation calls appendCodeUnit(char16_t) once or twice.
     * @param c code point 0..0x10ffff
     * @return TRUE if the operation succeeded
     * @stable ICU 4.8
     */
    virtual UBool appendCodePoint(UChar32 c);

/**
     * Appends a string.
     * The default implementation calls appendCodeUnit(char16_t) for each code unit.
     * @param s string, must not be NULL if length!=0
     * @param length string length, or -1 if NUL-terminated
     * @return TRUE if the operation succeeded
     * @stable ICU 4.8
     */
    virtual UBool appendString(const char16_t *s, int32_t length);

/**
     * Tells the object that the caller is going to append roughly
     * appendCapacity char16_ts. A subclass might use this to pre-allocate
     * a larger buffer if necessary.
     * The default implementation does nothing. (It always returns TRUE.)
     * @param appendCapacity estimated number of char16_ts that will be appended
     * @return TRUE if the operation succeeded
     * @stable ICU 4.8
     */
    virtual UBool reserveAppendCapacity(int32_t appendCapacity);

/**
     * Returns a writable buffer for appending and writes the buffer's capacity to
     * *resultCapacity. Guarantees *resultCapacity>=minCapacity.
     * May return a pointer to the caller-owned scratch buffer which must have
     * scratchCapacity>=minCapacity.
     * The returned buffer is only valid until the next operation
     * on this Appendable.
     *
     * After writing at most *resultCapacity char16_ts, call appendString() with the
     * pointer returned from this function and the number of char16_ts written.
     * Many appendString() implementations will avoid copying char16_ts if this function
     * returned an internal buffer.
     *
     * Partial usage example:
     * \code
     *  int32_t capacity;
     *  char16_t* buffer = app.getAppendBuffer(..., &capacity);
     *  ... Write n char16_ts into buffer, with n <= capacity.
     *  app.appendString(buffer, n);
     * \endcode
     * In many implementations, that call to append will avoid copying char16_ts.
     *
     * If the Appendable allocates or reallocates an internal buffer, it should use
     * the desiredCapacityHint if appropriate.
     * If a caller cannot provide a reasonable guess at the desired capacity,
     * it should pass desiredCapacityHint=0.
     *
     * If a non-scratch buffer is returned, the caller may only pass
     * a prefix to it to appendString().
     * That is, it is not correct to pass an interior pointer to appendString().
     *
     * The default implementation always returns the scratch buffer.
     *
     * @param minCapacity required minimum capacity of the returned buffer;
     *                    must be non-negative
     * @param desiredCapacityHint desired capacity of the returned buffer;
     *                            must be non-negative
     * @param scratch default caller-owned buffer
     * @param scratchCapacity capacity of the scratch buffer
     * @param resultCapacity pointer to an integer which will be set to the
     *                       capacity of the returned buffer
     * @return a buffer with *resultCapacity>=minCapacity
     * @stable ICU 4.8
     */
    virtual char16_t *getAppendBuffer(int32_t minCapacity,
                                   int32_t desiredCapacityHint,
                                   char16_t *scratch, int32_t scratchCapacity,
                                   int32_t *resultCapacity);
};

/**
 * An Appendable implementation which writes to a UnicodeString.
 *
 * This class is not intended for public subclassing.
 * @stable ICU 4.8
 */
class U_COMMON_API UnicodeStringAppendable : public Appendable {
public:
    /**
     * Aliases the UnicodeString (keeps its reference) for writing.
     * @param s The UnicodeString to which this Appendable will write.
     * @stable ICU 4.8
     */
    explicit UnicodeStringAppendable(UnicodeString &s) : str(s) {}

/**
     * Destructor.
     * @stable ICU 4.8
     */
    ~UnicodeStringAppendable();

/**
     * Appends a 16-bit code unit to the string.
     * @param c code unit
     * @return TRUE if the operation succeeded
     * @stable ICU 4.8
     */
    virtual UBool appendCodeUnit(char16_t c);

/**
     * Appends a code point to the string.
     * @param c code point 0..0x10ffff
     * @return TRUE if the operation succeeded
     * @stable ICU 4.8
     */
    virtual UBool appendCodePoint(UChar32 c);

/**
     * Appends a string to the UnicodeString.
     * @param s string, must not be NULL if length!=0
     * @param length string length, or -1 if NUL-terminated
     * @return TRUE if the operation succeeded
     * @stable ICU 4.8
     */
    virtual UBool appendString(const char16_t *s, int32_t length);

/**
     * Tells the UnicodeString that the caller is going to append roughly
     * appendCapacity char16_ts.
     * @param appendCapacity estimated number of char16_ts that will be appended
     * @return TRUE if the operation succeeded
     * @stable ICU 4.8
     */
    virtual UBool reserveAppendCapacity(int32_t appendCapacity);

private:
    UnicodeString &str;
};

U_NAMESPACE_END

#endif  // __APPENDABLE_H__

${this.title}

Code Editor : appendable.h