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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.14"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>ICU 78.3: icu::UnicodeStringAppendable Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">ICU 78.3  <span id="projectnumber">78.3</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.14 --> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 / var searchBox = new SearchBox("searchBox", "search",false,'Search'); / @license-end / </script> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> / @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 / $(function() { initMenu('',true,false,'search.php','Search'); $(document).ready(function() { init_search(); }); }); / @license-end /</script> <div id="main-nav"></div> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="namespaceicu.html">icu</a></li><li class="navelem"><a class="el" href="classicu_1_1UnicodeStringAppendable.html">UnicodeStringAppendable</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> </div> <div class="headertitle"> <div class="title">icu::UnicodeStringAppendable Class Reference</div> </div> </div><!--header--> <div class="contents"> <p>An <a class="el" href="classicu_1_1Appendable.html" title="Base class for objects to which Unicode characters and strings can be appended. ">Appendable</a> implementation which writes to a <a class="el" href="classicu_1_1UnicodeString.html" title="UnicodeString is a string class that stores Unicode characters directly and provides similar function...">UnicodeString</a>. <a href="classicu_1_1UnicodeStringAppendable.html#details">More...</a></p> <p><code>#include <<a class="el" href="appendable_8h_source.html">appendable.h</a>></code></p> <div class="dynheader"> Inheritance diagram for icu::UnicodeStringAppendable:</div> <div class="dyncontent"> <div class="center"> <img src="classicu_1_1UnicodeStringAppendable.png" usemap="#icu::UnicodeStringAppendable_map" alt=""/> <map id="icu::UnicodeStringAppendable_map" name="icu::UnicodeStringAppendable_map"> <area href="classicu_1_1Appendable.html" title="Base class for objects to which Unicode characters and strings can be appended. " alt="icu::Appendable" shape="rect" coords="0,112,182,136"/> <area href="classicu_1_1UObject.html" title="UObject is the common ICU "boilerplate" class. " alt="icu::UObject" shape="rect" coords="0,56,182,80"/> <area href="classicu_1_1UMemory.html" title="UMemory is the common ICU base class. " alt="icu::UMemory" shape="rect" coords="0,0,182,24"/> </map> </div></div> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr class="memitem:a6ae00c011250894ca83354b1e53c5cfd"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1UnicodeStringAppendable.html#a6ae00c011250894ca83354b1e53c5cfd">UnicodeStringAppendable</a> (<a class="el" href="classicu_1_1UnicodeString.html">UnicodeString</a> &s)</td></tr> <tr class="memdesc:a6ae00c011250894ca83354b1e53c5cfd"><td class="mdescLeft"> </td><td class="mdescRight">Aliases the <a class="el" href="classicu_1_1UnicodeString.html" title="UnicodeString is a string class that stores Unicode characters directly and provides similar function...">UnicodeString</a> (keeps its reference) for writing. <a href="#a6ae00c011250894ca83354b1e53c5cfd">More...</a><br /></td></tr> <tr class="separator:a6ae00c011250894ca83354b1e53c5cfd"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aea64890dc23d50d86418150e976e2c6d"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1UnicodeStringAppendable.html#aea64890dc23d50d86418150e976e2c6d">~UnicodeStringAppendable</a> ()</td></tr> <tr class="memdesc:aea64890dc23d50d86418150e976e2c6d"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#aea64890dc23d50d86418150e976e2c6d">More...</a><br /></td></tr> <tr class="separator:aea64890dc23d50d86418150e976e2c6d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae51c517e4a93f9623933d98cd7f22d79"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1UnicodeStringAppendable.html#ae51c517e4a93f9623933d98cd7f22d79">appendCodeUnit</a> (char16_t c) override</td></tr> <tr class="memdesc:ae51c517e4a93f9623933d98cd7f22d79"><td class="mdescLeft"> </td><td class="mdescRight">Appends a 16-bit code unit to the string. <a href="#ae51c517e4a93f9623933d98cd7f22d79">More...</a><br /></td></tr> <tr class="separator:ae51c517e4a93f9623933d98cd7f22d79"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a5eda9b6627105a19d46afd16d8b8e2df"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1UnicodeStringAppendable.html#a5eda9b6627105a19d46afd16d8b8e2df">appendCodePoint</a> (<a class="el" href="umachine_8h.html#a09fff5c3b5a5b015324dc3ec3cf92809">UChar32</a> c) override</td></tr> <tr class="memdesc:a5eda9b6627105a19d46afd16d8b8e2df"><td class="mdescLeft"> </td><td class="mdescRight">Appends a code point to the string. <a href="#a5eda9b6627105a19d46afd16d8b8e2df">More...</a><br /></td></tr> <tr class="separator:a5eda9b6627105a19d46afd16d8b8e2df"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a7eb0cd79d53149a137b1d9007207b4d4"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1UnicodeStringAppendable.html#a7eb0cd79d53149a137b1d9007207b4d4">appendString</a> (const char16_t s, int32_t length) override</td></tr> <tr class="memdesc:a7eb0cd79d53149a137b1d9007207b4d4"><td class="mdescLeft"> </td><td class="mdescRight">Appends a string to the <a class="el" href="classicu_1_1UnicodeString.html" title="UnicodeString is a string class that stores Unicode characters directly and provides similar function...">UnicodeString</a>. <a href="#a7eb0cd79d53149a137b1d9007207b4d4">More...</a><br /></td></tr> <tr class="separator:a7eb0cd79d53149a137b1d9007207b4d4"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a36d75b8416413f6fa94f09c5bea3f06a"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1UnicodeStringAppendable.html#a36d75b8416413f6fa94f09c5bea3f06a">reserveAppendCapacity</a> (int32_t appendCapacity) override</td></tr> <tr class="memdesc:a36d75b8416413f6fa94f09c5bea3f06a"><td class="mdescLeft"> </td><td class="mdescRight">Tells the <a class="el" href="classicu_1_1UnicodeString.html" title="UnicodeString is a string class that stores Unicode characters directly and provides similar function...">UnicodeString</a> that the caller is going to append roughly appendCapacity char16_ts. <a href="#a36d75b8416413f6fa94f09c5bea3f06a">More...</a><br /></td></tr> <tr class="separator:a36d75b8416413f6fa94f09c5bea3f06a"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a6d03ca67ad2af7b99e5d9d2a71265520"><td class="memItemLeft" align="right" valign="top">virtual char16_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1UnicodeStringAppendable.html#a6d03ca67ad2af7b99e5d9d2a71265520">getAppendBuffer</a> (int32_t minCapacity, int32_t desiredCapacityHint, char16_t scratch, int32_t scratchCapacity, int32_t resultCapacity) override</td></tr> <tr class="memdesc:a6d03ca67ad2af7b99e5d9d2a71265520"><td class="mdescLeft"> </td><td class="mdescRight">Returns a writable buffer for appending and writes the buffer's capacity to resultCapacity. <a href="#a6d03ca67ad2af7b99e5d9d2a71265520">More...</a><br /></td></tr> <tr class="separator:a6d03ca67ad2af7b99e5d9d2a71265520"><td class="memSeparator" colspan="2"> </td></tr> <tr class="inherit_header pub_methods_classicu_1_1Appendable"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classicu_1_1Appendable')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classicu_1_1Appendable.html">icu::Appendable</a></td></tr> <tr class="memitem:aefa9d25b0e9f45239a7e9b1dc7135002 inherit pub_methods_classicu_1_1Appendable"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1Appendable.html#aefa9d25b0e9f45239a7e9b1dc7135002">~Appendable</a> ()</td></tr> <tr class="memdesc:aefa9d25b0e9f45239a7e9b1dc7135002 inherit pub_methods_classicu_1_1Appendable"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="classicu_1_1Appendable.html#aefa9d25b0e9f45239a7e9b1dc7135002">More...</a><br /></td></tr> <tr class="separator:aefa9d25b0e9f45239a7e9b1dc7135002 inherit pub_methods_classicu_1_1Appendable"><td class="memSeparator" colspan="2"> </td></tr> <tr class="inherit_header pub_methods_classicu_1_1UObject"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classicu_1_1UObject')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classicu_1_1UObject.html">icu::UObject</a></td></tr> <tr class="memitem:af10026497704f510d3d1f2eff50acb18 inherit pub_methods_classicu_1_1UObject"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1UObject.html#af10026497704f510d3d1f2eff50acb18">~UObject</a> ()</td></tr> <tr class="memdesc:af10026497704f510d3d1f2eff50acb18 inherit pub_methods_classicu_1_1UObject"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="classicu_1_1UObject.html#af10026497704f510d3d1f2eff50acb18">More...</a><br /></td></tr> <tr class="separator:af10026497704f510d3d1f2eff50acb18 inherit pub_methods_classicu_1_1UObject"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aca1169c4978c52ce2b76eda104e9a214 inherit pub_methods_classicu_1_1UObject"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="uobject_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1UObject.html#aca1169c4978c52ce2b76eda104e9a214">getDynamicClassID</a> () const</td></tr> <tr class="memdesc:aca1169c4978c52ce2b76eda104e9a214 inherit pub_methods_classicu_1_1UObject"><td class="mdescLeft"> </td><td class="mdescRight">ICU4C "poor man's RTTI", returns a UClassID for the actual ICU class. <a href="classicu_1_1UObject.html#aca1169c4978c52ce2b76eda104e9a214">More...</a><br /></td></tr> <tr class="separator:aca1169c4978c52ce2b76eda104e9a214 inherit pub_methods_classicu_1_1UObject"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>An <a class="el" href="classicu_1_1Appendable.html" title="Base class for objects to which Unicode characters and strings can be appended. ">Appendable</a> implementation which writes to a <a class="el" href="classicu_1_1UnicodeString.html" title="UnicodeString is a string class that stores Unicode characters directly and provides similar function...">UnicodeString</a>. </p> <p>This class is not intended for public subclassing. </p><dl class="stable"><dt><b><a class="el" href="stable.html#_stable000002">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl> <p class="definition">Definition at line <a class="el" href="appendable_8h_source.html#l00156">156</a> of file <a class="el" href="appendable_8h_source.html">appendable.h</a>.</p> </div><h2 class="groupheader">Constructor & Destructor Documentation</h2> <a id="a6ae00c011250894ca83354b1e53c5cfd"></a> <h2 class="memtitle"><span class="permalink"><a href="#a6ae00c011250894ca83354b1e53c5cfd">◆ </a></span>UnicodeStringAppendable()</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">icu::UnicodeStringAppendable::UnicodeStringAppendable </td> <td>(</td> <td class="paramtype"><a class="el" href="classicu_1_1UnicodeString.html">UnicodeString</a> & </td> <td class="paramname"><em>s</em></td><td>)</td> <td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">explicit</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Aliases the <a class="el" href="classicu_1_1UnicodeString.html" title="UnicodeString is a string class that stores Unicode characters directly and provides similar function...">UnicodeString</a> (keeps its reference) for writing. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">s</td><td>The <a class="el" href="classicu_1_1UnicodeString.html" title="UnicodeString is a string class that stores Unicode characters directly and provides similar function...">UnicodeString</a> to which this <a class="el" href="classicu_1_1Appendable.html" title="Base class for objects to which Unicode characters and strings can be appended. ">Appendable</a> will write. </td></tr> </table> </dd> </dl> <dl class="stable"><dt><b><a class="el" href="stable.html#_stable000009">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl> <p class="definition">Definition at line <a class="el" href="appendable_8h_source.html#l00163">163</a> of file <a class="el" href="appendable_8h_source.html">appendable.h</a>.</p> </div> </div> <a id="aea64890dc23d50d86418150e976e2c6d"></a> <h2 class="memtitle"><span class="permalink"><a href="#aea64890dc23d50d86418150e976e2c6d">◆ </a></span>~UnicodeStringAppendable()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">icu::UnicodeStringAppendable::~UnicodeStringAppendable </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Destructor. </p> <dl class="stable"><dt><b><a class="el" href="stable.html#_stable000010">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl> </div> </div> <h2 class="groupheader">Member Function Documentation</h2> <a id="a5eda9b6627105a19d46afd16d8b8e2df"></a> <h2 class="memtitle"><span class="permalink"><a href="#a5eda9b6627105a19d46afd16d8b8e2df">◆ </a></span>appendCodePoint()</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> icu::UnicodeStringAppendable::appendCodePoint </td> <td>(</td> <td class="paramtype"><a class="el" href="umachine_8h.html#a09fff5c3b5a5b015324dc3ec3cf92809">UChar32</a> </td> <td class="paramname"><em>c</em></td><td>)</td> <td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Appends a code point to the string. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">c</td><td>code point 0..0x10ffff </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>true if the operation succeeded </dd></dl> <dl class="stable"><dt><b><a class="el" href="stable.html#_stable000012">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl> <p>Reimplemented from <a class="el" href="classicu_1_1Appendable.html#ab6ebdf003f35a831577f7a4a297b826e">icu::Appendable</a>.</p> </div> </div> <a id="ae51c517e4a93f9623933d98cd7f22d79"></a> <h2 class="memtitle"><span class="permalink"><a href="#ae51c517e4a93f9623933d98cd7f22d79">◆ </a></span>appendCodeUnit()</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> icu::UnicodeStringAppendable::appendCodeUnit </td> <td>(</td> <td class="paramtype">char16_t </td> <td class="paramname"><em>c</em></td><td>)</td> <td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Appends a 16-bit code unit to the string. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">c</td><td>code unit </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>true if the operation succeeded </dd></dl> <dl class="stable"><dt><b><a class="el" href="stable.html#_stable000011">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl> <p>Implements <a class="el" href="classicu_1_1Appendable.html#a1d890cd611df282081bee62280a353d9">icu::Appendable</a>.</p> </div> </div> <a id="a7eb0cd79d53149a137b1d9007207b4d4"></a> <h2 class="memtitle"><span class="permalink"><a href="#a7eb0cd79d53149a137b1d9007207b4d4">◆ </a></span>appendString()</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> icu::UnicodeStringAppendable::appendString </td> <td>(</td> <td class="paramtype">const char16_t  </td> <td class="paramname"><em>s</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int32_t </td> <td class="paramname"><em>length</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Appends a string to the <a class="el" href="classicu_1_1UnicodeString.html" title="UnicodeString is a string class that stores Unicode characters directly and provides similar function...">UnicodeString</a>. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">s</td><td>string, must not be nullptr if length!=0 </td></tr> <tr><td class="paramname">length</td><td>string length, or -1 if NUL-terminated </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>true if the operation succeeded </dd></dl> <dl class="stable"><dt><b><a class="el" href="stable.html#_stable000013">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl> <p>Reimplemented from <a class="el" href="classicu_1_1Appendable.html#a37b2658c6ed3a31e09d10d0cf088bfba">icu::Appendable</a>.</p> </div> </div> <a id="a6d03ca67ad2af7b99e5d9d2a71265520"></a> <h2 class="memtitle"><span class="permalink"><a href="#a6d03ca67ad2af7b99e5d9d2a71265520">◆ </a></span>getAppendBuffer()</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">virtual char16_t* icu::UnicodeStringAppendable::getAppendBuffer </td> <td>(</td> <td class="paramtype">int32_t </td> <td class="paramname"><em>minCapacity</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int32_t </td> <td class="paramname"><em>desiredCapacityHint</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">char16_t * </td> <td class="paramname"><em>scratch</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int32_t </td> <td class="paramname"><em>scratchCapacity</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int32_t * </td> <td class="paramname"><em>resultCapacity</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Returns a writable buffer for appending and writes the buffer's capacity to resultCapacity. </p> <p>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 write operation on the <a class="el" href="classicu_1_1UnicodeString.html" title="UnicodeString is a string class that stores Unicode characters directly and provides similar function...">UnicodeString</a>.</p> <p>For details see <a class="el" href="classicu_1_1Appendable.html#abc3d483ac1df5387721b2c2aa768a580" title="Returns a writable buffer for appending and writes the buffer's capacity to resultCapacity. ">Appendable::getAppendBuffer()</a>.</p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">minCapacity</td><td>required minimum capacity of the returned buffer; must be non-negative </td></tr> <tr><td class="paramname">desiredCapacityHint</td><td>desired capacity of the returned buffer; must be non-negative </td></tr> <tr><td class="paramname">scratch</td><td>default caller-owned buffer </td></tr> <tr><td class="paramname">scratchCapacity</td><td>capacity of the scratch buffer </td></tr> <tr><td class="paramname">resultCapacity</td><td>pointer to an integer which will be set to the capacity of the returned buffer </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>a buffer with resultCapacity>=minCapacity </dd></dl> <dl class="stable"><dt><b><a class="el" href="stable.html#_stable000015">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl> <p>Reimplemented from <a class="el" href="classicu_1_1Appendable.html#abc3d483ac1df5387721b2c2aa768a580">icu::Appendable</a>.</p> </div> </div> <a id="a36d75b8416413f6fa94f09c5bea3f06a"></a> <h2 class="memtitle"><span class="permalink"><a href="#a36d75b8416413f6fa94f09c5bea3f06a">◆ </a></span>reserveAppendCapacity()</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> icu::UnicodeStringAppendable::reserveAppendCapacity </td> <td>(</td> <td class="paramtype">int32_t </td> <td class="paramname"><em>appendCapacity</em></td><td>)</td> <td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Tells the <a class="el" href="classicu_1_1UnicodeString.html" title="UnicodeString is a string class that stores Unicode characters directly and provides similar function...">UnicodeString</a> that the caller is going to append roughly appendCapacity char16_ts. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">appendCapacity</td><td>estimated number of char16_ts that will be appended </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>true if the operation succeeded </dd></dl> <dl class="stable"><dt><b><a class="el" href="stable.html#_stable000014">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl> <p>Reimplemented from <a class="el" href="classicu_1_1Appendable.html#a1950ff25060fe2549160b65cb6a08f95">icu::Appendable</a>.</p> </div> </div> <hr/>The documentation for this class was generated from the following file:<ul> <li>common/unicode/<a class="el" href="appendable_8h_source.html">appendable.h</a></li> </ul> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.14 </small></address> </body> </html>

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