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 <span id="projectnumber">58.2</span>
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<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>
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<div class="title">icu::UnicodeStringAppendable Class Reference</div> </div>
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<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>
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Inheritance diagram for icu::UnicodeStringAppendable:</div>
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<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>
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<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:a65514f405edf9920625e2cfd941798de"><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#a65514f405edf9920625e2cfd941798de">appendCodeUnit</a> (<a class="el" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> c)</td></tr>
<tr class="memdesc:a65514f405edf9920625e2cfd941798de"><td class="mdescLeft"> </td><td class="mdescRight">Appends a 16-bit code unit to the string. <a href="#a65514f405edf9920625e2cfd941798de">More...</a><br /></td></tr>
<tr class="separator:a65514f405edf9920625e2cfd941798de"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1239129bd9c1a04664f3a12dc9326543"><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#a1239129bd9c1a04664f3a12dc9326543">appendCodePoint</a> (<a class="el" href="umachine_8h.html#a09fff5c3b5a5b015324dc3ec3cf92809">UChar32</a> c)</td></tr>
<tr class="memdesc:a1239129bd9c1a04664f3a12dc9326543"><td class="mdescLeft"> </td><td class="mdescRight">Appends a code point to the string. <a href="#a1239129bd9c1a04664f3a12dc9326543">More...</a><br /></td></tr>
<tr class="separator:a1239129bd9c1a04664f3a12dc9326543"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab513d96030a182a23defbd705dc06d9d"><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#ab513d96030a182a23defbd705dc06d9d">appendString</a> (const <a class="el" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> *s, int32_t length)</td></tr>
<tr class="memdesc:ab513d96030a182a23defbd705dc06d9d"><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="#ab513d96030a182a23defbd705dc06d9d">More...</a><br /></td></tr>
<tr class="separator:ab513d96030a182a23defbd705dc06d9d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad5ac8185400cf6f9a4e93cd8c58bd18f"><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#ad5ac8185400cf6f9a4e93cd8c58bd18f">reserveAppendCapacity</a> (int32_t appendCapacity)</td></tr>
<tr class="memdesc:ad5ac8185400cf6f9a4e93cd8c58bd18f"><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 UChars. <a href="#ad5ac8185400cf6f9a4e93cd8c58bd18f">More...</a><br /></td></tr>
<tr class="separator:ad5ac8185400cf6f9a4e93cd8c58bd18f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1ed263623eca7d733e5672290e71f920"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1UnicodeStringAppendable.html#a1ed263623eca7d733e5672290e71f920">getAppendBuffer</a> (int32_t minCapacity, int32_t desiredCapacityHint, <a class="el" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> *scratch, int32_t scratchCapacity, int32_t *resultCapacity)</td></tr>
<tr class="memdesc:a1ed263623eca7d733e5672290e71f920"><td class="mdescLeft"> </td><td class="mdescRight">Returns a writable buffer for appending and writes the buffer's capacity to *resultCapacity. <a href="#a1ed263623eca7d733e5672290e71f920">More...</a><br /></td></tr>
<tr class="separator:a1ed263623eca7d733e5672290e71f920"><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="#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="#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:a1aa93096e880907080b503ff1fb0f8bc 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#a1aa93096e880907080b503ff1fb0f8bc">getDynamicClassID</a> () const </td></tr>
<tr class="memdesc:a1aa93096e880907080b503ff1fb0f8bc 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="#a1aa93096e880907080b503ff1fb0f8bc">More...</a><br /></td></tr>
<tr class="separator:a1aa93096e880907080b503ff1fb0f8bc inherit pub_methods_classicu_1_1UObject"><td class="memSeparator" colspan="2"> </td></tr>
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<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>Definition at line <a class="el" href="appendable_8h_source.html#l00153">153</a> of file <a class="el" href="appendable_8h_source.html">appendable.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<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>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">explicit</span></span> </td>
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<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>
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</dd>
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<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000009">Stable:</a></b></dt><dd>ICU 4.8 </dd></dl>
<p>Definition at line <a class="el" href="appendable_8h_source.html#l00160">160</a> of file <a class="el" href="appendable_8h_source.html">appendable.h</a>.</p>
<p>References <a class="el" href="classicu_1_1Appendable.html#ab6ebdf003f35a831577f7a4a297b826e">icu::Appendable::appendCodePoint()</a>, <a class="el" href="classicu_1_1Appendable.html#a5f306d09d7ae12718a86d6a55fcdb20e">icu::Appendable::appendCodeUnit()</a>, <a class="el" href="classicu_1_1Appendable.html#aa53adceb8a3c9549b1d35f06f63c5c92">icu::Appendable::appendString()</a>, <a class="el" href="classicu_1_1Appendable.html#a85c1af8466fa68893689e96dfa583801">icu::Appendable::getAppendBuffer()</a>, <a class="el" href="classicu_1_1Appendable.html#a1950ff25060fe2549160b65cb6a08f95">icu::Appendable::reserveAppendCapacity()</a>, and <a class="el" href="uversion_8h_source.html#l00132">U_NAMESPACE_END</a>.</p>
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<td class="memname">icu::UnicodeStringAppendable::~UnicodeStringAppendable </td>
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<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>
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<h2 class="groupheader">Member Function Documentation</h2>
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<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>
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<p>Appends a code point to the string. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">c</td><td>code point 0..0x10ffff </td></tr>
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</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>
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<td class="memname">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> icu::UnicodeStringAppendable::appendCodeUnit </td>
<td>(</td>
<td class="paramtype"><a class="el" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> </td>
<td class="paramname"><em>c</em></td><td>)</td>
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<p>Appends a 16-bit code unit to the string. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">c</td><td>code unit </td></tr>
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<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#a5f306d09d7ae12718a86d6a55fcdb20e">icu::Appendable</a>.</p>
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<td class="memname">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> icu::UnicodeStringAppendable::appendString </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> * </td>
<td class="paramname"><em>s</em>, </td>
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<td class="paramname"><em>length</em> </td>
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<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 NULL 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#aa53adceb8a3c9549b1d35f06f63c5c92">icu::Appendable</a>.</p>
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<td class="memname">virtual <a class="el" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a>* icu::UnicodeStringAppendable::getAppendBuffer </td>
<td>(</td>
<td class="paramtype">int32_t </td>
<td class="paramname"><em>minCapacity</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int32_t </td>
<td class="paramname"><em>desiredCapacityHint</em>, </td>
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<td class="paramtype"><a class="el" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> * </td>
<td class="paramname"><em>scratch</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int32_t </td>
<td class="paramname"><em>scratchCapacity</em>, </td>
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<td class="paramtype">int32_t * </td>
<td class="paramname"><em>resultCapacity</em> </td>
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<td>)</td>
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<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#a85c1af8466fa68893689e96dfa583801" 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>
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<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#a85c1af8466fa68893689e96dfa583801">icu::Appendable</a>.</p>
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<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>
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<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 UChars. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">appendCapacity</td><td>estimated number of UChars 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>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="appendable_8h_source.html">appendable.h</a></li>
</ul>
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