<?xml version="1.0" encoding="UTF-8"?>
<!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" lang="en_US" xml:lang="en_US">
<head>
<title>kjs: ustring.cpp Source File (kjs)</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="Content-Style-Type" content="text/css" />
<meta http-equiv="pics-label" content='(pics-1.1 "http://www.icra.org/ratingsv02.html" comment "ICRAonline DE v2.0" l gen true for "http://www.kde.org" r (nz 1 vz 1 lz 1 oz 1 cb 1) "http://www.rsac.org/ratingsv01.html" l gen true for "http://www.kde.org" r (n 0 s 0 v 0 l 0))' />
<meta name="trademark" content="KDE e.V." />
<meta name="description" content="K Desktop Environment Homepage, KDE.org" />
<meta name="MSSmartTagsPreventParsing" content="true" />
<meta name="robots" content="all" />
<link rel="shortcut icon" href="../../favicon.ico" />
<link rel="stylesheet" media="screen" type="text/css" title="APIDOX" href="doxygen.css" />
</head>
<body>
<div id="nav_header_top" align="right">
<a href="#content" class="doNotDisplay" accesskey="2">Skip to main content ::</a>
<a href="../.."><img id="nav_header_logo" alt="Home" align="left" src="../../kde_gear_64.png" border="0" /></a>
<span class="doNotDisplay">::</span>
<div id="nav_header_title" align="left">KDE API Reference</div>
</div>
<div id="nav_header_bottom" align="right">
<span class="doNotDisplay">:: <a href="#navigation" accesskey="5">Skip to Link Menu</a><br/></span>
<div id="nav_header_bottom_right" style="text-align: left;">
/ <a href="../..">API Reference</a>
/ <a href=".">kjs</a>
</div>
</div>
<table id="main" border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td valign="top" class="menuheader" height="0"></td>
<td id="contentcolumn" valign="top" rowspan="2" >
<div id="content" style="padding-top: 0px;"><div style="width:100%; margin: 0px; padding: 0px;">
<a name="content"></a>
<!-- Generated by Doxygen 1.7.4 -->
<div class="header">
<div class="headertitle">
<div class="title">ustring.cpp</div> </div>
</div>
<div class="contents">
<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- c-basic-offset: 2 -*-</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * This file is part of the KDE libraries</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (C) 2003 Apple Computer, Inc.</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00008"></a>00008 <span class="comment"> * modify it under the terms of the GNU Library General Public</span>
<a name="l00009"></a>00009 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00010"></a>00010 <span class="comment"> * version 2 of the License, or (at your option) any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00015"></a>00015 <span class="comment"> * Library General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU Library General Public License</span>
<a name="l00018"></a>00018 <span class="comment"> * along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00019"></a>00019 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00020"></a>00020 <span class="comment"> * Boston, MA 02110-1301, USA.</span>
<a name="l00021"></a>00021 <span class="comment"> *</span>
<a name="l00022"></a>00022 <span class="comment"> */</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#include <config.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#endif</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <stdio.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <ctype.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#ifdef HAVE_STRING_H</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#include <string.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#endif</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_STRINGS_H</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#include <strings.h></span>
<a name="l00036"></a>00036 <span class="preprocessor">#endif</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "ustring.h"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "operations.h"</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include "identifier.h"</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include <math.h></span>
<a name="l00042"></a>00042 <span class="preprocessor">#include "dtoa.h"</span>
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keyword">namespace </span>KJS {
<a name="l00045"></a>00045 <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keywordtype">double</span> NaN;
<a name="l00046"></a>00046 <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keywordtype">double</span> Inf;
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keyword">using namespace </span>KJS;
<a name="l00050"></a>00050
<a name="l00051"></a>00051 CString::CString(<span class="keyword">const</span> <span class="keywordtype">char</span> *c)
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 length = strlen(c);
<a name="l00054"></a>00054 data = <span class="keyword">new</span> <span class="keywordtype">char</span>[length+1];
<a name="l00055"></a>00055 memcpy(data, c, length + 1);
<a name="l00056"></a>00056 }
<a name="l00057"></a>00057
<a name="l00058"></a>00058 CString::CString(<span class="keyword">const</span> <span class="keywordtype">char</span> *c, <span class="keywordtype">int</span> len)
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060 length = len;
<a name="l00061"></a>00061 data = <span class="keyword">new</span> <span class="keywordtype">char</span>[len+1];
<a name="l00062"></a>00062 memcpy(data, c, len);
<a name="l00063"></a>00063 data[len] = 0;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a>00066 CString::CString(<span class="keyword">const</span> <a class="code" href="classKJS_1_1CString.html" title="8 bit char based string class">CString</a> &b)
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 length = b.length;
<a name="l00069"></a>00069 data = <span class="keyword">new</span> <span class="keywordtype">char</span>[length+1];
<a name="l00070"></a>00070 memcpy(data, b.data, length + 1);
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072
<a name="l00073"></a>00073 CString::~CString()
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 <span class="keyword">delete</span> [] data;
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <a class="code" href="classKJS_1_1CString.html" title="8 bit char based string class">CString</a> &CString::append(<span class="keyword">const</span> <a class="code" href="classKJS_1_1CString.html" title="8 bit char based string class">CString</a> &t)
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 <span class="keywordtype">char</span> *n = <span class="keyword">new</span> <span class="keywordtype">char</span>[length + t.length + 1];
<a name="l00081"></a>00081 <span class="keywordflow">if</span> (length)
<a name="l00082"></a>00082 memcpy(n, data, length);
<a name="l00083"></a>00083 <span class="keywordflow">if</span> (t.length)
<a name="l00084"></a>00084 memcpy(n+length, t.data, t.length);
<a name="l00085"></a>00085 length += t.length;
<a name="l00086"></a>00086 n[length] = 0;
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keyword">delete</span> [] data;
<a name="l00089"></a>00089 data = n;
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <a class="code" href="classKJS_1_1CString.html" title="8 bit char based string class">CString</a> &CString::operator=(<span class="keyword">const</span> <span class="keywordtype">char</span> *c)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 <span class="keyword">delete</span> [] data;
<a name="l00097"></a>00097 length = strlen(c);
<a name="l00098"></a>00098 data = <span class="keyword">new</span> <span class="keywordtype">char</span>[length+1];
<a name="l00099"></a>00099 memcpy(data, c, length + 1);
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <a class="code" href="classKJS_1_1CString.html" title="8 bit char based string class">CString</a> &CString::operator=(<span class="keyword">const</span> <a class="code" href="classKJS_1_1CString.html" title="8 bit char based string class">CString</a> &str)
<a name="l00105"></a>00105 {
<a name="l00106"></a>00106 <span class="keywordflow">if</span> (<span class="keyword">this</span> == &str)
<a name="l00107"></a>00107 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="keyword">delete</span> [] data;
<a name="l00110"></a>00110 length = str.length;
<a name="l00111"></a>00111 <span class="keywordflow">if</span> (str.data) {
<a name="l00112"></a>00112 data = <span class="keyword">new</span> <span class="keywordtype">char</span>[length + 1];
<a name="l00113"></a>00113 memcpy(data, str.data, length + 1);
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115 <span class="keywordflow">else</span>
<a name="l00116"></a>00116 data = 0;
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keywordtype">bool</span> KJS::operator==(<span class="keyword">const</span> <a class="code" href="classKJS_1_1CString.html" title="8 bit char based string class">KJS::CString</a>& c1, <span class="keyword">const</span> <a class="code" href="classKJS_1_1CString.html" title="8 bit char based string class">KJS::CString</a>& c2)
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 <span class="keywordtype">int</span> len = c1.size();
<a name="l00124"></a>00124 <span class="keywordflow">return</span> len == c2.size() && (len == 0 || memcmp(c1.c_str(), c2.c_str(), len) == 0);
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> <a class="code" href="structKJS_1_1UChar.html#a4954d69677d944c7699373849f419ba7" title="A static instance of UChar(0).">UChar::null</a>((<span class="keywordtype">char</span>)0);
<a name="l00128"></a>00128 UString::Rep UString::Rep::null = { 0, 0, 0, 1, 1 };
<a name="l00129"></a>00129 UString::Rep UString::Rep::empty = { 0, 0, 0, 1, 1 };
<a name="l00130"></a>00130 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> <a class="code" href="classKJS_1_1UString.html#ab593c40f5576c145960dc5e9bbdb80ea" title="Static instance of a null string.">UString::null</a>;
<a name="l00131"></a>00131 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> normalStatBufferSize = 4096;
<a name="l00132"></a>00132 <span class="keyword">static</span> <span class="keywordtype">char</span> *statBuffer = 0;
<a name="l00133"></a>00133 <span class="keyword">static</span> <span class="keywordtype">int</span> statBufferSize = 0;
<a name="l00134"></a>00134
<a name="l00135"></a><a class="code" href="structKJS_1_1UChar.html#a2bff21a3a261b92e69f0155a074a7ae2">00135</a> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> <a class="code" href="structKJS_1_1UChar.html#a2bff21a3a261b92e69f0155a074a7ae2">UChar::toLower</a>()<span class="keyword"> const</span>
<a name="l00136"></a>00136 <span class="keyword"></span>{
<a name="l00137"></a>00137 <span class="comment">// ### properly support unicode tolower</span>
<a name="l00138"></a>00138 <span class="keywordflow">if</span> (uc >= 256)
<a name="l00139"></a>00139 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="comment">// tolower is locale-dependent, don't use it.</span>
<a name="l00142"></a>00142 <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>( ( ( uc >= <span class="charliteral">'A'</span> ) && ( uc <= <span class="charliteral">'Z'</span> ) ) ? ( (<span class="keywordtype">int</span>)uc + <span class="charliteral">'a'</span> - <span class="charliteral">'A'</span> ) : uc );
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144
<a name="l00145"></a><a class="code" href="structKJS_1_1UChar.html#ac9b1d14631d6d7c2dc4cb82eb7d4389c">00145</a> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> <a class="code" href="structKJS_1_1UChar.html#ac9b1d14631d6d7c2dc4cb82eb7d4389c">UChar::toUpper</a>()<span class="keyword"> const</span>
<a name="l00146"></a>00146 <span class="keyword"></span>{
<a name="l00147"></a>00147 <span class="keywordflow">if</span> (uc >= 256)
<a name="l00148"></a>00148 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="comment">// toupper is locale-dependent, don't use it.</span>
<a name="l00151"></a>00151 <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>( ( ( uc >= <span class="charliteral">'a'</span> ) && ( uc <= <span class="charliteral">'z'</span> ) ) ? ( (<span class="keywordtype">int</span>)uc + <span class="charliteral">'A'</span> - <span class="charliteral">'a'</span> ) : uc );
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153
<a name="l00154"></a><a class="code" href="classKJS_1_1UCharReference.html#a56eecba3f451dce35c90d54d4aae2e3e">00154</a> <a class="code" href="classKJS_1_1UCharReference.html" title="Dynamic reference to a string character.">UCharReference</a>& <a class="code" href="classKJS_1_1UCharReference.html#a56eecba3f451dce35c90d54d4aae2e3e" title="Set the referenced character to c.">UCharReference::operator=</a>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> c)
<a name="l00155"></a>00155 {
<a name="l00156"></a>00156 str->detach();
<a name="l00157"></a>00157 <span class="keywordflow">if</span> (offset < str->rep->len)
<a name="l00158"></a>00158 *(str->rep->dat + offset) = c;
<a name="l00159"></a>00159 <span class="comment">/* TODO: lengthen string ? */</span>
<a name="l00160"></a>00160 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>& UCharReference::ref()<span class="keyword"> const</span>
<a name="l00164"></a>00164 <span class="keyword"></span>{
<a name="l00165"></a>00165 <span class="keywordflow">if</span> (offset < str->rep->len)
<a name="l00166"></a>00166 <span class="keywordflow">return</span> *(str->rep->dat + offset);
<a name="l00167"></a>00167 <span class="keywordflow">else</span>
<a name="l00168"></a>00168 <span class="keywordflow">return</span> <a class="code" href="structKJS_1_1UChar.html#a4954d69677d944c7699373849f419ba7" title="A static instance of UChar(0).">UChar::null</a>;
<a name="l00169"></a>00169 }
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <span class="comment">// return an uninitialized UChar array of size s</span>
<a name="l00172"></a>00172 <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>* allocateChars(<span class="keywordtype">int</span> s)
<a name="l00173"></a>00173 {
<a name="l00174"></a>00174 <span class="comment">// work around default UChar constructor code</span>
<a name="l00175"></a>00175 <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>*<span class="keyword">></span>(<span class="keyword">new</span> <span class="keywordtype">short</span>[s]);
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177
<a name="l00178"></a>00178 UString::Rep *UString::Rep::create(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *d, <span class="keywordtype">int</span> l)
<a name="l00179"></a>00179 {
<a name="l00180"></a>00180 Rep *r = <span class="keyword">new</span> Rep;
<a name="l00181"></a>00181 r->dat = d;
<a name="l00182"></a>00182 r->len = l;
<a name="l00183"></a>00183 r->capacity = l;
<a name="l00184"></a>00184 r->rc = 1;
<a name="l00185"></a>00185 r->_hash = 0;
<a name="l00186"></a>00186 <span class="keywordflow">return</span> r;
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="keywordtype">void</span> UString::Rep::destroy()
<a name="l00190"></a>00190 {
<a name="l00191"></a>00191 <span class="keywordflow">if</span> (capacity == capacityForIdentifier)
<a name="l00192"></a>00192 Identifier::remove(<span class="keyword">this</span>);
<a name="l00193"></a>00193 <span class="keyword">delete</span> [] dat;
<a name="l00194"></a>00194 <span class="keyword">delete</span> <span class="keyword">this</span>;
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="comment">// Golden ratio - arbitrary start value to avoid mapping all 0's to all 0's</span>
<a name="l00198"></a>00198 <span class="comment">// or anything like that.</span>
<a name="l00199"></a>00199 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> PHI = 0x9e3779b9U;
<a name="l00200"></a>00200
<a name="l00201"></a>00201 <span class="comment">// This hash algorithm comes from:</span>
<a name="l00202"></a>00202 <span class="comment">// http://burtleburtle.net/bob/hash/hashfaq.html</span>
<a name="l00203"></a>00203 <span class="comment">// http://burtleburtle.net/bob/hash/doobs.html</span>
<a name="l00204"></a>00204 <span class="keywordtype">unsigned</span> UString::Rep::computeHash(<span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *s, <span class="keywordtype">int</span> length)
<a name="l00205"></a>00205 {
<a name="l00206"></a>00206 <span class="keywordtype">int</span> prefixLength = length < 8 ? length : 8;
<a name="l00207"></a>00207 <span class="keywordtype">int</span> suffixPosition = length < 16 ? 8 : length - 8;
<a name="l00208"></a>00208
<a name="l00209"></a>00209 <span class="keywordtype">unsigned</span> h = PHI;
<a name="l00210"></a>00210 h += length;
<a name="l00211"></a>00211 h += (h << 10);
<a name="l00212"></a>00212 h ^= (h << 6);
<a name="l00213"></a>00213
<a name="l00214"></a>00214 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < prefixLength; i++) {
<a name="l00215"></a>00215 h += s[i].uc;
<a name="l00216"></a>00216 h += (h << 10);
<a name="l00217"></a>00217 h ^= (h << 6);
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = suffixPosition; i < length; i++){
<a name="l00220"></a>00220 h += s[i].uc;
<a name="l00221"></a>00221 h += (h << 10);
<a name="l00222"></a>00222 h ^= (h << 6);
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224
<a name="l00225"></a>00225 h += (h << 3);
<a name="l00226"></a>00226 h ^= (h >> 11);
<a name="l00227"></a>00227 h += (h << 15);
<a name="l00228"></a>00228
<a name="l00229"></a>00229 <span class="keywordflow">if</span> (h == 0)
<a name="l00230"></a>00230 h = 0x80000000;
<a name="l00231"></a>00231
<a name="l00232"></a>00232 <span class="keywordflow">return</span> h;
<a name="l00233"></a>00233 }
<a name="l00234"></a>00234
<a name="l00235"></a>00235 <span class="comment">// This hash algorithm comes from:</span>
<a name="l00236"></a>00236 <span class="comment">// http://burtleburtle.net/bob/hash/hashfaq.html</span>
<a name="l00237"></a>00237 <span class="comment">// http://burtleburtle.net/bob/hash/doobs.html</span>
<a name="l00238"></a>00238 <span class="keywordtype">unsigned</span> UString::Rep::computeHash(<span class="keyword">const</span> <span class="keywordtype">char</span> *s)
<a name="l00239"></a>00239 {
<a name="l00240"></a>00240 <span class="keywordtype">int</span> length = strlen(s);
<a name="l00241"></a>00241 <span class="keywordtype">int</span> prefixLength = length < 8 ? length : 8;
<a name="l00242"></a>00242 <span class="keywordtype">int</span> suffixPosition = length < 16 ? 8 : length - 8;
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="keywordtype">unsigned</span> h = PHI;
<a name="l00245"></a>00245 h += length;
<a name="l00246"></a>00246 h += (h << 10);
<a name="l00247"></a>00247 h ^= (h << 6);
<a name="l00248"></a>00248
<a name="l00249"></a>00249 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < prefixLength; i++) {
<a name="l00250"></a>00250 h += (<span class="keywordtype">unsigned</span> char)s[i];
<a name="l00251"></a>00251 h += (h << 10);
<a name="l00252"></a>00252 h ^= (h << 6);
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = suffixPosition; i < length; i++) {
<a name="l00255"></a>00255 h += (<span class="keywordtype">unsigned</span> char)s[i];
<a name="l00256"></a>00256 h += (h << 10);
<a name="l00257"></a>00257 h ^= (h << 6);
<a name="l00258"></a>00258 }
<a name="l00259"></a>00259
<a name="l00260"></a>00260 h += (h << 3);
<a name="l00261"></a>00261 h ^= (h >> 11);
<a name="l00262"></a>00262 h += (h << 15);
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <span class="keywordflow">if</span> (h == 0)
<a name="l00265"></a>00265 h = 0x80000000;
<a name="l00266"></a>00266
<a name="l00267"></a>00267 <span class="keywordflow">return</span> h;
<a name="l00268"></a>00268 }
<a name="l00269"></a>00269
<a name="l00270"></a><a class="code" href="classKJS_1_1UString.html#a6bff2ea822acdda7aa6203a31e2de5e9">00270</a> <a class="code" href="classKJS_1_1UString.html#a6bff2ea822acdda7aa6203a31e2de5e9" title="Constructs a null string.">UString::UString</a>()
<a name="l00271"></a>00271 {
<a name="l00272"></a>00272 <a class="code" href="classKJS_1_1UString.html#ab593c40f5576c145960dc5e9bbdb80ea" title="Static instance of a null string.">null</a>.rep = &<a class="code" href="classKJS_1_1UString.html#ab593c40f5576c145960dc5e9bbdb80ea" title="Static instance of a null string.">Rep::null</a>;
<a name="l00273"></a>00273 attach(&Rep::null);
<a name="l00274"></a>00274 }
<a name="l00275"></a>00275
<a name="l00276"></a><a class="code" href="classKJS_1_1UString.html#a3f119ee9f4b878721ca3c75fb15fbdd5">00276</a> <a class="code" href="classKJS_1_1UString.html#a6bff2ea822acdda7aa6203a31e2de5e9" title="Constructs a null string.">UString::UString</a>(<span class="keywordtype">char</span> c)
<a name="l00277"></a>00277 {
<a name="l00278"></a>00278 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *d = allocateChars(1);
<a name="l00279"></a>00279 d[0] = c;
<a name="l00280"></a>00280 rep = Rep::create(d, 1);
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282
<a name="l00283"></a><a class="code" href="classKJS_1_1UString.html#a2a7c6a727fa9eb36aabc639644e3c026">00283</a> <a class="code" href="classKJS_1_1UString.html#a6bff2ea822acdda7aa6203a31e2de5e9" title="Constructs a null string.">UString::UString</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *c)
<a name="l00284"></a>00284 {
<a name="l00285"></a>00285 <span class="keywordflow">if</span> (!c) {
<a name="l00286"></a>00286 attach(&Rep::null);
<a name="l00287"></a>00287 <span class="keywordflow">return</span>;
<a name="l00288"></a>00288 }
<a name="l00289"></a>00289 <span class="keywordtype">int</span> length = strlen(c);
<a name="l00290"></a>00290 <span class="keywordflow">if</span> (length == 0) {
<a name="l00291"></a>00291 attach(&Rep::empty);
<a name="l00292"></a>00292 <span class="keywordflow">return</span>;
<a name="l00293"></a>00293 }
<a name="l00294"></a>00294 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *d = <span class="keyword">new</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>[length];
<a name="l00295"></a>00295 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < length; i++)
<a name="l00296"></a>00296 d[i].uc = (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>)c[i];
<a name="l00297"></a>00297 rep = Rep::create(d, length);
<a name="l00298"></a>00298 }
<a name="l00299"></a>00299
<a name="l00300"></a><a class="code" href="classKJS_1_1UString.html#a02853f089c16880f35e4da47bd431ad6">00300</a> <a class="code" href="classKJS_1_1UString.html#a6bff2ea822acdda7aa6203a31e2de5e9" title="Constructs a null string.">UString::UString</a>(<span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *c, <span class="keywordtype">int</span> length)
<a name="l00301"></a>00301 {
<a name="l00302"></a>00302 <span class="keywordflow">if</span> (length == 0) {
<a name="l00303"></a>00303 attach(&Rep::empty);
<a name="l00304"></a>00304 <span class="keywordflow">return</span>;
<a name="l00305"></a>00305 }
<a name="l00306"></a>00306 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *d = allocateChars(length);
<a name="l00307"></a>00307 memcpy(d, c, length * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>));
<a name="l00308"></a>00308 rep = Rep::create(d, length);
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310
<a name="l00311"></a><a class="code" href="classKJS_1_1UString.html#a2a3e7b1572efdee9bde6e10ec9c9b9e8">00311</a> <a class="code" href="classKJS_1_1UString.html#a6bff2ea822acdda7aa6203a31e2de5e9" title="Constructs a null string.">UString::UString</a>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *c, <span class="keywordtype">int</span> length, <span class="keywordtype">bool</span> copy)
<a name="l00312"></a>00312 {
<a name="l00313"></a>00313 <span class="keywordflow">if</span> (length == 0) {
<a name="l00314"></a>00314 attach(&Rep::empty);
<a name="l00315"></a>00315 <span class="keywordflow">return</span>;
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *d;
<a name="l00318"></a>00318 <span class="keywordflow">if</span> (copy) {
<a name="l00319"></a>00319 d = allocateChars(length);
<a name="l00320"></a>00320 memcpy(d, c, length * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>));
<a name="l00321"></a>00321 } <span class="keywordflow">else</span>
<a name="l00322"></a>00322 d = c;
<a name="l00323"></a>00323 rep = Rep::create(d, length);
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325
<a name="l00326"></a><a class="code" href="classKJS_1_1UString.html#aba0f033ac9b764df0130087af1a3a6ff">00326</a> <a class="code" href="classKJS_1_1UString.html#a6bff2ea822acdda7aa6203a31e2de5e9" title="Constructs a null string.">UString::UString</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &a, <span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &b)
<a name="l00327"></a>00327 {
<a name="l00328"></a>00328 <span class="keywordtype">int</span> aSize = a.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00329"></a>00329 <span class="keywordtype">int</span> bSize = b.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00330"></a>00330 <span class="keywordtype">int</span> length = aSize + bSize;
<a name="l00331"></a>00331 <span class="keywordflow">if</span> (length == 0) {
<a name="l00332"></a>00332 attach(&Rep::empty);
<a name="l00333"></a>00333 <span class="keywordflow">return</span>;
<a name="l00334"></a>00334 }
<a name="l00335"></a>00335 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *d = allocateChars(length);
<a name="l00336"></a>00336 memcpy(d, a.<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>(), aSize * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>));
<a name="l00337"></a>00337 memcpy(d + aSize, b.<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>(), bSize * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>));
<a name="l00338"></a>00338 rep = Rep::create(d, length);
<a name="l00339"></a>00339 }
<a name="l00340"></a>00340
<a name="l00341"></a><a class="code" href="classKJS_1_1UString.html#afa4fb189e0a0a6094b54516833eb0257">00341</a> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> <a class="code" href="classKJS_1_1UString.html#afa4fb189e0a0a6094b54516833eb0257" title="Constructs a string from an int.">UString::from</a>(<span class="keywordtype">int</span> i)
<a name="l00342"></a>00342 {
<a name="l00343"></a>00343 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#afa4fb189e0a0a6094b54516833eb0257" title="Constructs a string from an int.">from</a>((<span class="keywordtype">long</span>)i);
<a name="l00344"></a>00344 }
<a name="l00345"></a>00345
<a name="l00346"></a><a class="code" href="classKJS_1_1UString.html#a37a7ad711ecba8d5877543a3fbd569fe">00346</a> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> <a class="code" href="classKJS_1_1UString.html#afa4fb189e0a0a6094b54516833eb0257" title="Constructs a string from an int.">UString::from</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> u)
<a name="l00347"></a>00347 {
<a name="l00348"></a>00348 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> buf[20];
<a name="l00349"></a>00349 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *end = buf + 20;
<a name="l00350"></a>00350 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *p = end;
<a name="l00351"></a>00351
<a name="l00352"></a>00352 <span class="keywordflow">if</span> (u == 0) {
<a name="l00353"></a>00353 *--p = <span class="charliteral">'0'</span>;
<a name="l00354"></a>00354 } <span class="keywordflow">else</span> {
<a name="l00355"></a>00355 <span class="keywordflow">while</span> (u) {
<a name="l00356"></a>00356 *--p = (<span class="keywordtype">unsigned</span> short)((u % 10) + <span class="charliteral">'0'</span>);
<a name="l00357"></a>00357 u /= 10;
<a name="l00358"></a>00358 }
<a name="l00359"></a>00359 }
<a name="l00360"></a>00360
<a name="l00361"></a>00361 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#a6bff2ea822acdda7aa6203a31e2de5e9" title="Constructs a null string.">UString</a>(p, end - p);
<a name="l00362"></a>00362 }
<a name="l00363"></a>00363
<a name="l00364"></a><a class="code" href="classKJS_1_1UString.html#a35acd4fb09b924dffe70254d500e8fcc">00364</a> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> <a class="code" href="classKJS_1_1UString.html#afa4fb189e0a0a6094b54516833eb0257" title="Constructs a string from an int.">UString::from</a>(<span class="keywordtype">long</span> l)
<a name="l00365"></a>00365 {
<a name="l00366"></a>00366 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> buf[20];
<a name="l00367"></a>00367 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *end = buf + 20;
<a name="l00368"></a>00368 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *p = end;
<a name="l00369"></a>00369
<a name="l00370"></a>00370 <span class="keywordflow">if</span> (l == 0) {
<a name="l00371"></a>00371 *--p = <span class="charliteral">'0'</span>;
<a name="l00372"></a>00372 } <span class="keywordflow">else</span> {
<a name="l00373"></a>00373 <span class="keywordtype">bool</span> negative = <span class="keyword">false</span>;
<a name="l00374"></a>00374 <span class="keywordflow">if</span> (l < 0) {
<a name="l00375"></a>00375 negative = <span class="keyword">true</span>;
<a name="l00376"></a>00376 l = -l;
<a name="l00377"></a>00377 }
<a name="l00378"></a>00378 <span class="keywordflow">while</span> (l) {
<a name="l00379"></a>00379 *--p = (<span class="keywordtype">unsigned</span> short)((l % 10) + <span class="charliteral">'0'</span>);
<a name="l00380"></a>00380 l /= 10;
<a name="l00381"></a>00381 }
<a name="l00382"></a>00382 <span class="keywordflow">if</span> (negative) {
<a name="l00383"></a>00383 *--p = <span class="charliteral">'-'</span>;
<a name="l00384"></a>00384 }
<a name="l00385"></a>00385 }
<a name="l00386"></a>00386
<a name="l00387"></a>00387 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#a6bff2ea822acdda7aa6203a31e2de5e9" title="Constructs a null string.">UString</a>(p, end - p);
<a name="l00388"></a>00388 }
<a name="l00389"></a>00389
<a name="l00390"></a><a class="code" href="classKJS_1_1UString.html#acd2c0f8da1e7b0b9958e5742150347a6">00390</a> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> <a class="code" href="classKJS_1_1UString.html#afa4fb189e0a0a6094b54516833eb0257" title="Constructs a string from an int.">UString::from</a>(<span class="keywordtype">double</span> d)
<a name="l00391"></a>00391 {
<a name="l00392"></a>00392 <span class="keywordtype">char</span> buf[80];
<a name="l00393"></a>00393 <span class="keywordtype">int</span> decimalPoint;
<a name="l00394"></a>00394 <span class="keywordtype">int</span> sign;
<a name="l00395"></a>00395
<a name="l00396"></a>00396 <span class="keywordtype">char</span> *result = kjs_dtoa(d, 0, 0, &decimalPoint, &sign, NULL);
<a name="l00397"></a>00397 <span class="keywordtype">int</span> length = strlen(result);
<a name="l00398"></a>00398
<a name="l00399"></a>00399 <span class="keywordtype">int</span> i = 0;
<a name="l00400"></a>00400 <span class="keywordflow">if</span> (sign) {
<a name="l00401"></a>00401 buf[i++] = <span class="charliteral">'-'</span>;
<a name="l00402"></a>00402 }
<a name="l00403"></a>00403
<a name="l00404"></a>00404 <span class="keywordflow">if</span> (decimalPoint <= 0 && decimalPoint > -6) {
<a name="l00405"></a>00405 buf[i++] = <span class="charliteral">'0'</span>;
<a name="l00406"></a>00406 buf[i++] = <span class="charliteral">'.'</span>;
<a name="l00407"></a>00407 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = decimalPoint; j < 0; j++) {
<a name="l00408"></a>00408 buf[i++] = <span class="charliteral">'0'</span>;
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410 strcpy(buf + i, result);
<a name="l00411"></a>00411 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (decimalPoint <= 21 && decimalPoint > 0) {
<a name="l00412"></a>00412 <span class="keywordflow">if</span> (length <= decimalPoint) {
<a name="l00413"></a>00413 strcpy(buf + i, result);
<a name="l00414"></a>00414 i += length;
<a name="l00415"></a>00415 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < decimalPoint - length; j++) {
<a name="l00416"></a>00416 buf[i++] = <span class="charliteral">'0'</span>;
<a name="l00417"></a>00417 }
<a name="l00418"></a>00418 buf[i] = <span class="charliteral">'\0'</span>;
<a name="l00419"></a>00419 } <span class="keywordflow">else</span> {
<a name="l00420"></a>00420 strncpy(buf + i, result, decimalPoint);
<a name="l00421"></a>00421 i += decimalPoint;
<a name="l00422"></a>00422 buf[i++] = <span class="charliteral">'.'</span>;
<a name="l00423"></a>00423 strcpy(buf + i, result + decimalPoint);
<a name="l00424"></a>00424 }
<a name="l00425"></a>00425 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (result[0] < <span class="charliteral">'0'</span> || result[0] > <span class="charliteral">'9'</span>) {
<a name="l00426"></a>00426 strcpy(buf + i, result);
<a name="l00427"></a>00427 } <span class="keywordflow">else</span> {
<a name="l00428"></a>00428 buf[i++] = result[0];
<a name="l00429"></a>00429 <span class="keywordflow">if</span> (length > 1) {
<a name="l00430"></a>00430 buf[i++] = <span class="charliteral">'.'</span>;
<a name="l00431"></a>00431 strcpy(buf + i, result + 1);
<a name="l00432"></a>00432 i += length - 1;
<a name="l00433"></a>00433 }
<a name="l00434"></a>00434
<a name="l00435"></a>00435 buf[i++] = <span class="charliteral">'e'</span>;
<a name="l00436"></a>00436 buf[i++] = (decimalPoint >= 0) ? <span class="charliteral">'+'</span> : <span class="charliteral">'-'</span>;
<a name="l00437"></a>00437 <span class="comment">// decimalPoint can't be more than 3 digits decimal given the</span>
<a name="l00438"></a>00438 <span class="comment">// nature of float representation</span>
<a name="l00439"></a>00439 <span class="keywordtype">int</span> exponential = decimalPoint - 1;
<a name="l00440"></a>00440 <span class="keywordflow">if</span> (exponential < 0) {
<a name="l00441"></a>00441 exponential = exponential * -1;
<a name="l00442"></a>00442 }
<a name="l00443"></a>00443 <span class="keywordflow">if</span> (exponential >= 100) {
<a name="l00444"></a>00444 buf[i++] = <span class="charliteral">'0'</span> + exponential / 100;
<a name="l00445"></a>00445 }
<a name="l00446"></a>00446 <span class="keywordflow">if</span> (exponential >= 10) {
<a name="l00447"></a>00447 buf[i++] = <span class="charliteral">'0'</span> + (exponential % 100) / 10;
<a name="l00448"></a>00448 }
<a name="l00449"></a>00449 buf[i++] = <span class="charliteral">'0'</span> + exponential % 10;
<a name="l00450"></a>00450 buf[i++] = <span class="charliteral">'\0'</span>;
<a name="l00451"></a>00451 }
<a name="l00452"></a>00452
<a name="l00453"></a>00453 kjs_freedtoa(result);
<a name="l00454"></a>00454
<a name="l00455"></a>00455 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#a6bff2ea822acdda7aa6203a31e2de5e9" title="Constructs a null string.">UString</a>(buf);
<a name="l00456"></a>00456 }
<a name="l00457"></a>00457
<a name="l00458"></a><a class="code" href="classKJS_1_1UString.html#af20edaa32eba4f5c3a148098e843742d">00458</a> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &<a class="code" href="classKJS_1_1UString.html#af20edaa32eba4f5c3a148098e843742d" title="Append another string.">UString::append</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &t)
<a name="l00459"></a>00459 {
<a name="l00460"></a>00460 <span class="keywordtype">int</span> l = <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00461"></a>00461 <span class="keywordtype">int</span> tLen = t.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00462"></a>00462 <span class="keywordtype">int</span> newLen = l + tLen;
<a name="l00463"></a>00463 <span class="keywordflow">if</span> (rep->rc == 1 && newLen <= rep->capacity) {
<a name="l00464"></a>00464 memcpy(rep->dat+l, t.<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>(), tLen * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>));
<a name="l00465"></a>00465 rep->len = newLen;
<a name="l00466"></a>00466 rep->_hash = 0;
<a name="l00467"></a>00467 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00468"></a>00468 }
<a name="l00469"></a>00469
<a name="l00470"></a>00470 <span class="keywordtype">int</span> newCapacity = (newLen * 3 + 1) / 2;
<a name="l00471"></a>00471 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *n = allocateChars(newCapacity);
<a name="l00472"></a>00472 memcpy(n, <a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>(), l * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>));
<a name="l00473"></a>00473 memcpy(n+l, t.<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>(), tLen * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>));
<a name="l00474"></a>00474 release();
<a name="l00475"></a>00475 rep = Rep::create(n, newLen);
<a name="l00476"></a>00476 rep->capacity = newCapacity;
<a name="l00477"></a>00477
<a name="l00478"></a>00478 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00479"></a>00479 }
<a name="l00480"></a>00480
<a name="l00481"></a><a class="code" href="classKJS_1_1UString.html#a8698c19cee7a6ac284cedcc213a16149">00481</a> <a class="code" href="classKJS_1_1CString.html" title="8 bit char based string class">CString</a> <a class="code" href="classKJS_1_1UString.html#a8698c19cee7a6ac284cedcc213a16149">UString::cstring</a>()<span class="keyword"> const</span>
<a name="l00482"></a>00482 <span class="keyword"></span>{
<a name="l00483"></a>00483 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#a2ac3d2b62d65d075f2d99bf7ed2ec366" title="Convert the Unicode string to plain ASCII chars chopping of any higher bytes.">ascii</a>();
<a name="l00484"></a>00484 }
<a name="l00485"></a>00485
<a name="l00486"></a><a class="code" href="classKJS_1_1UString.html#a2ac3d2b62d65d075f2d99bf7ed2ec366">00486</a> <span class="keywordtype">char</span> *<a class="code" href="classKJS_1_1UString.html#a2ac3d2b62d65d075f2d99bf7ed2ec366" title="Convert the Unicode string to plain ASCII chars chopping of any higher bytes.">UString::ascii</a>()<span class="keyword"> const</span>
<a name="l00487"></a>00487 <span class="keyword"></span>{
<a name="l00488"></a>00488 <span class="comment">// Never make the buffer smaller than normalStatBufferSize.</span>
<a name="l00489"></a>00489 <span class="comment">// Thus we almost never need to reallocate.</span>
<a name="l00490"></a>00490 <span class="keywordtype">int</span> length = <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00491"></a>00491 <span class="keywordtype">int</span> neededSize = length + 1;
<a name="l00492"></a>00492 <span class="keywordflow">if</span> (neededSize < normalStatBufferSize) {
<a name="l00493"></a>00493 neededSize = normalStatBufferSize;
<a name="l00494"></a>00494 }
<a name="l00495"></a>00495 <span class="keywordflow">if</span> (neededSize != statBufferSize) {
<a name="l00496"></a>00496 <span class="keyword">delete</span> [] statBuffer;
<a name="l00497"></a>00497 statBuffer = <span class="keyword">new</span> <span class="keywordtype">char</span> [neededSize];
<a name="l00498"></a>00498 statBufferSize = neededSize;
<a name="l00499"></a>00499 }
<a name="l00500"></a>00500
<a name="l00501"></a>00501 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *p = <a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00502"></a>00502 <span class="keywordtype">char</span> *q = statBuffer;
<a name="l00503"></a>00503 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *limit = p + length;
<a name="l00504"></a>00504 <span class="keywordflow">while</span> (p != limit) {
<a name="l00505"></a>00505 *q = p->uc;
<a name="l00506"></a>00506 ++p;
<a name="l00507"></a>00507 ++q;
<a name="l00508"></a>00508 }
<a name="l00509"></a>00509 *q = <span class="charliteral">'\0'</span>;
<a name="l00510"></a>00510
<a name="l00511"></a>00511 <span class="keywordflow">return</span> statBuffer;
<a name="l00512"></a>00512 }
<a name="l00513"></a>00513
<a name="l00514"></a>00514 <span class="preprocessor">#ifdef KJS_DEBUG_MEM</span>
<a name="l00515"></a>00515 <span class="preprocessor"></span><span class="keywordtype">void</span> UString::globalClear()
<a name="l00516"></a>00516 {
<a name="l00517"></a>00517 <span class="keyword">delete</span> [] statBuffer;
<a name="l00518"></a>00518 statBuffer = 0;
<a name="l00519"></a>00519 statBufferSize = 0;
<a name="l00520"></a>00520 }
<a name="l00521"></a>00521 <span class="preprocessor">#endif</span>
<a name="l00522"></a>00522 <span class="preprocessor"></span>
<a name="l00523"></a><a class="code" href="classKJS_1_1UString.html#a6c59536babf6a3f14f6cd762b6e3cce1">00523</a> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &<a class="code" href="classKJS_1_1UString.html#a6c59536babf6a3f14f6cd762b6e3cce1" title="Assignment operator.">UString::operator=</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *c)
<a name="l00524"></a>00524 {
<a name="l00525"></a>00525 <span class="keywordtype">int</span> l = c ? strlen(c) : 0;
<a name="l00526"></a>00526 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *d;
<a name="l00527"></a>00527 <span class="keywordflow">if</span> (rep->rc == 1 && l <= rep->capacity) {
<a name="l00528"></a>00528 d = rep->dat;
<a name="l00529"></a>00529 rep->_hash = 0;
<a name="l00530"></a>00530 } <span class="keywordflow">else</span> {
<a name="l00531"></a>00531 release();
<a name="l00532"></a>00532 d = allocateChars(l);
<a name="l00533"></a>00533 rep = Rep::create(d, l);
<a name="l00534"></a>00534 }
<a name="l00535"></a>00535 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < l; i++)
<a name="l00536"></a>00536 d[i].uc = (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>)c[i];
<a name="l00537"></a>00537
<a name="l00538"></a>00538 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00539"></a>00539 }
<a name="l00540"></a>00540
<a name="l00541"></a>00541 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &<a class="code" href="classKJS_1_1UString.html#a6c59536babf6a3f14f6cd762b6e3cce1" title="Assignment operator.">UString::operator=</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &str)
<a name="l00542"></a>00542 {
<a name="l00543"></a>00543 str.rep->ref();
<a name="l00544"></a>00544 release();
<a name="l00545"></a>00545 rep = str.rep;
<a name="l00546"></a>00546
<a name="l00547"></a>00547 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00548"></a>00548 }
<a name="l00549"></a>00549
<a name="l00550"></a><a class="code" href="classKJS_1_1UString.html#a510d0787fffb496abd11bdfebc17b8dc">00550</a> <span class="keywordtype">bool</span> <a class="code" href="classKJS_1_1UString.html#a510d0787fffb496abd11bdfebc17b8dc" title="Use this if you want to make sure that this string is a plain ASCII string.">UString::is8Bit</a>()<span class="keyword"> const</span>
<a name="l00551"></a>00551 <span class="keyword"></span>{
<a name="l00552"></a>00552 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *u = <a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00553"></a>00553 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *limit = u + <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00554"></a>00554 <span class="keywordflow">while</span> (u < limit) {
<a name="l00555"></a>00555 <span class="keywordflow">if</span> (u->uc > 0xFF)
<a name="l00556"></a>00556 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00557"></a>00557 ++u;
<a name="l00558"></a>00558 }
<a name="l00559"></a>00559
<a name="l00560"></a>00560 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00561"></a>00561 }
<a name="l00562"></a>00562
<a name="l00563"></a><a class="code" href="classKJS_1_1UString.html#a87e53841d25d6707c6058bb0f53547f2">00563</a> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> <a class="code" href="classKJS_1_1UString.html#a87e53841d25d6707c6058bb0f53547f2" title="Const character at specified position.">UString::operator[]</a>(<span class="keywordtype">int</span> pos)<span class="keyword"> const</span>
<a name="l00564"></a>00564 <span class="keyword"></span>{
<a name="l00565"></a>00565 <span class="keywordflow">if</span> (pos >= <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>())
<a name="l00566"></a>00566 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#ab593c40f5576c145960dc5e9bbdb80ea" title="Static instance of a null string.">UChar::null</a>;
<a name="l00567"></a>00567
<a name="l00568"></a>00568 <span class="keywordflow">return</span> ((<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *)<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>())[pos];
<a name="l00569"></a>00569 }
<a name="l00570"></a>00570
<a name="l00571"></a><a class="code" href="classKJS_1_1UString.html#a3ab183a5bc8eff73f8f374536b54e44c">00571</a> <a class="code" href="classKJS_1_1UCharReference.html" title="Dynamic reference to a string character.">UCharReference</a> <a class="code" href="classKJS_1_1UString.html#a87e53841d25d6707c6058bb0f53547f2" title="Const character at specified position.">UString::operator[]</a>(<span class="keywordtype">int</span> pos)
<a name="l00572"></a>00572 {
<a name="l00573"></a>00573 <span class="comment">/* TODO: boundary check */</span>
<a name="l00574"></a>00574 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UCharReference.html" title="Dynamic reference to a string character.">UCharReference</a>(<span class="keyword">this</span>, pos);
<a name="l00575"></a>00575 }
<a name="l00576"></a>00576
<a name="l00577"></a>00577 <span class="keyword">static</span> <span class="keywordtype">int</span> skipInfString(<span class="keyword">const</span> <span class="keywordtype">char</span> *start)
<a name="l00578"></a>00578 {
<a name="l00579"></a>00579 <span class="keyword">const</span> <span class="keywordtype">char</span> *c = start;
<a name="l00580"></a>00580 <span class="keywordflow">if</span> (*c == <span class="charliteral">'+'</span> || *c == <span class="charliteral">'-'</span>)
<a name="l00581"></a>00581 c++;
<a name="l00582"></a>00582 <span class="keywordflow">if</span> (!strncmp(c,<span class="stringliteral">"Infinity"</span>,8))
<a name="l00583"></a>00583 <span class="keywordflow">return</span> c+8-start;
<a name="l00584"></a>00584
<a name="l00585"></a>00585 <span class="keywordflow">while</span> (*c >= <span class="charliteral">'0'</span> && *c <= <span class="charliteral">'9'</span>)
<a name="l00586"></a>00586 c++;
<a name="l00587"></a>00587 <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> at_dot = c;
<a name="l00588"></a>00588 <span class="keywordflow">if</span> (*c == <span class="charliteral">'.'</span>)
<a name="l00589"></a>00589 c++;
<a name="l00590"></a>00590 <span class="keywordflow">while</span> (*c >= <span class="charliteral">'0'</span> && *c <= <span class="charliteral">'9'</span>)
<a name="l00591"></a>00591 c++;
<a name="l00592"></a>00592
<a name="l00593"></a>00593 <span class="comment">// don't accept a single dot as a number</span>
<a name="l00594"></a>00594 <span class="keywordflow">if</span> (c - at_dot == 1 && *at_dot == <span class="charliteral">'.'</span>)
<a name="l00595"></a>00595 <span class="keywordflow">return</span> at_dot-start;
<a name="l00596"></a>00596
<a name="l00597"></a>00597 <span class="keywordflow">if</span> (*c != <span class="charliteral">'e'</span>)
<a name="l00598"></a>00598 <span class="keywordflow">return</span> c-start;
<a name="l00599"></a>00599
<a name="l00600"></a>00600 c++;
<a name="l00601"></a>00601 <span class="keywordflow">if</span> (*c == <span class="charliteral">'+'</span> || *c == <span class="charliteral">'-'</span>)
<a name="l00602"></a>00602 c++;
<a name="l00603"></a>00603 <span class="keywordflow">while</span> (*c >= <span class="charliteral">'0'</span> && *c <= <span class="charliteral">'9'</span>)
<a name="l00604"></a>00604 c++;
<a name="l00605"></a>00605 <span class="keywordflow">return</span> c-start;
<a name="l00606"></a>00606 }
<a name="l00607"></a>00607
<a name="l00608"></a><a class="code" href="classKJS_1_1UString.html#a3f6f047b366a516ad6e9043b4d0d7db9">00608</a> <span class="keywordtype">double</span> UString::toDouble(<span class="keywordtype">bool</span> tolerateTrailingJunk, <span class="keywordtype">bool</span> tolerateEmptyString)<span class="keyword"> const</span>
<a name="l00609"></a>00609 <span class="keyword"></span>{
<a name="l00610"></a>00610 <span class="keywordtype">double</span> d;
<a name="l00611"></a>00611 <span class="keywordtype">double</span> sign = 1;
<a name="l00612"></a>00612
<a name="l00613"></a>00613 <span class="comment">// FIXME: If tolerateTrailingJunk is true, then we want to tolerate non-8-bit junk</span>
<a name="l00614"></a>00614 <span class="comment">// after the number, so is8Bit is too strict a check.</span>
<a name="l00615"></a>00615 <span class="keywordflow">if</span> (!<a class="code" href="classKJS_1_1UString.html#a510d0787fffb496abd11bdfebc17b8dc" title="Use this if you want to make sure that this string is a plain ASCII string.">is8Bit</a>())
<a name="l00616"></a>00616 <span class="keywordflow">return</span> NaN;
<a name="l00617"></a>00617
<a name="l00618"></a>00618 <span class="keyword">const</span> <span class="keywordtype">char</span> *c = <a class="code" href="classKJS_1_1UString.html#a2ac3d2b62d65d075f2d99bf7ed2ec366" title="Convert the Unicode string to plain ASCII chars chopping of any higher bytes.">ascii</a>();
<a name="l00619"></a>00619
<a name="l00620"></a>00620 <span class="comment">// skip leading white space</span>
<a name="l00621"></a>00621 <span class="keywordflow">while</span> (isspace(*c))
<a name="l00622"></a>00622 c++;
<a name="l00623"></a>00623
<a name="l00624"></a>00624 <span class="comment">// empty string ?</span>
<a name="l00625"></a>00625 <span class="keywordflow">if</span> (*c == <span class="charliteral">'\0'</span>)
<a name="l00626"></a>00626 <span class="keywordflow">return</span> tolerateEmptyString ? 0.0 : NaN;
<a name="l00627"></a>00627
<a name="l00628"></a>00628 <span class="keywordflow">if</span> (*c == <span class="charliteral">'-'</span>) {
<a name="l00629"></a>00629 sign = -1;
<a name="l00630"></a>00630 c++;
<a name="l00631"></a>00631 }
<a name="l00632"></a>00632 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*c == <span class="charliteral">'+'</span>) {
<a name="l00633"></a>00633 sign = 1;
<a name="l00634"></a>00634 c++;
<a name="l00635"></a>00635 }
<a name="l00636"></a>00636
<a name="l00637"></a>00637 <span class="comment">// hex number ?</span>
<a name="l00638"></a>00638 <span class="keywordflow">if</span> (*c == <span class="charliteral">'0'</span> && (*(c+1) == <span class="charliteral">'x'</span> || *(c+1) == <span class="charliteral">'X'</span>)) {
<a name="l00639"></a>00639 c++;
<a name="l00640"></a>00640 d = 0.0;
<a name="l00641"></a>00641 <span class="keywordflow">while</span> (*(++c)) {
<a name="l00642"></a>00642 <span class="keywordflow">if</span> (*c >= <span class="charliteral">'0'</span> && *c <= <span class="charliteral">'9'</span>)
<a name="l00643"></a>00643 d = d * 16.0 + *c - <span class="charliteral">'0'</span>;
<a name="l00644"></a>00644 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((*c >= <span class="charliteral">'A'</span> && *c <= <span class="charliteral">'F'</span>) || (*c >= <span class="charliteral">'a'</span> && *c <= <span class="charliteral">'f'</span>))
<a name="l00645"></a>00645 d = d * 16.0 + (*c & 0xdf) - <span class="charliteral">'A'</span> + 10.0;
<a name="l00646"></a>00646 <span class="keywordflow">else</span>
<a name="l00647"></a>00647 <span class="keywordflow">break</span>;
<a name="l00648"></a>00648 }
<a name="l00649"></a>00649 } <span class="keywordflow">else</span> {
<a name="l00650"></a>00650 <span class="comment">// regular number ?</span>
<a name="l00651"></a>00651 <span class="keywordtype">char</span> *end;
<a name="l00652"></a>00652 d = kjs_strtod(c, &end);
<a name="l00653"></a>00653 <span class="keywordflow">if</span> ((d != 0.0 || end != c) && d != HUGE_VAL && d != -HUGE_VAL) {
<a name="l00654"></a>00654 c = end;
<a name="l00655"></a>00655 } <span class="keywordflow">else</span> {
<a name="l00656"></a>00656 <span class="comment">// infinity ?</span>
<a name="l00657"></a>00657
<a name="l00658"></a>00658 <span class="keywordtype">int</span> count = skipInfString(c);
<a name="l00659"></a>00659 <span class="keywordflow">if</span> (count == 0)
<a name="l00660"></a>00660 <span class="keywordflow">return</span> NaN;
<a name="l00661"></a>00661 d = Inf;
<a name="l00662"></a>00662 c += count;
<a name="l00663"></a>00663 }
<a name="l00664"></a>00664 }
<a name="l00665"></a>00665
<a name="l00666"></a>00666 <span class="comment">// allow trailing white space</span>
<a name="l00667"></a>00667 <span class="keywordflow">while</span> (isspace(*c))
<a name="l00668"></a>00668 c++;
<a name="l00669"></a>00669 <span class="comment">// don't allow anything after - unless tolerant=true</span>
<a name="l00670"></a>00670 <span class="keywordflow">if</span> (!tolerateTrailingJunk && *c != <span class="charliteral">'\0'</span>)
<a name="l00671"></a>00671 <span class="keywordflow">return</span> NaN;
<a name="l00672"></a>00672
<a name="l00673"></a>00673 <span class="keywordflow">return</span> d*sign;
<a name="l00674"></a>00674 }
<a name="l00675"></a>00675
<a name="l00676"></a>00676 <span class="keywordtype">double</span> UString::toDouble(<span class="keywordtype">bool</span> tolerateTrailingJunk)<span class="keyword"> const</span>
<a name="l00677"></a>00677 <span class="keyword"></span>{
<a name="l00678"></a>00678 <span class="keywordflow">return</span> toDouble(tolerateTrailingJunk, <span class="keyword">true</span>);
<a name="l00679"></a>00679 }
<a name="l00680"></a>00680
<a name="l00681"></a>00681 <span class="keywordtype">double</span> UString::toDouble()<span class="keyword"> const</span>
<a name="l00682"></a>00682 <span class="keyword"></span>{
<a name="l00683"></a>00683 <span class="keywordflow">return</span> toDouble(<span class="keyword">false</span>, <span class="keyword">true</span>);
<a name="l00684"></a>00684 }
<a name="l00685"></a>00685
<a name="l00686"></a><a class="code" href="classKJS_1_1UString.html#abe9ab18ec02094d99ff8de9f8f30ce62">00686</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="classKJS_1_1UString.html#abe9ab18ec02094d99ff8de9f8f30ce62" title="Attempts an conversion to an unsigned long integer.">UString::toULong</a>(<span class="keywordtype">bool</span> *ok, <span class="keywordtype">bool</span> tolerateEmptyString)<span class="keyword"> const</span>
<a name="l00687"></a>00687 <span class="keyword"></span>{
<a name="l00688"></a>00688 <span class="keywordtype">double</span> d = <a class="code" href="classKJS_1_1UString.html#a3f6f047b366a516ad6e9043b4d0d7db9" title="Attempts an conversion to a number.">toDouble</a>(<span class="keyword">false</span>, tolerateEmptyString);
<a name="l00689"></a>00689 <span class="keywordtype">bool</span> b = <span class="keyword">true</span>;
<a name="l00690"></a>00690
<a name="l00691"></a>00691 <span class="keywordflow">if</span> (isNaN(d) || d != static_cast<unsigned long>(d)) {
<a name="l00692"></a>00692 b = <span class="keyword">false</span>;
<a name="l00693"></a>00693 d = 0;
<a name="l00694"></a>00694 }
<a name="l00695"></a>00695
<a name="l00696"></a>00696 <span class="keywordflow">if</span> (ok)
<a name="l00697"></a>00697 *ok = b;
<a name="l00698"></a>00698
<a name="l00699"></a>00699 <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">long</span><span class="keyword">></span>(d);
<a name="l00700"></a>00700 }
<a name="l00701"></a>00701
<a name="l00702"></a>00702 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="classKJS_1_1UString.html#abe9ab18ec02094d99ff8de9f8f30ce62" title="Attempts an conversion to an unsigned long integer.">UString::toULong</a>(<span class="keywordtype">bool</span> *ok)<span class="keyword"> const</span>
<a name="l00703"></a>00703 <span class="keyword"></span>{
<a name="l00704"></a>00704 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#abe9ab18ec02094d99ff8de9f8f30ce62" title="Attempts an conversion to an unsigned long integer.">toULong</a>(ok, <span class="keyword">true</span>);
<a name="l00705"></a>00705 }
<a name="l00706"></a>00706
<a name="l00707"></a><a class="code" href="classKJS_1_1UString.html#a24df9fa57edddca8d0491d5317ce1a3c">00707</a> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> <a class="code" href="classKJS_1_1UString.html#a24df9fa57edddca8d0491d5317ce1a3c" title="Returns this string converted to lower case characters.">UString::toLower</a>()<span class="keyword"> const</span>
<a name="l00708"></a>00708 <span class="keyword"></span>{
<a name="l00709"></a>00709 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> u = *<span class="keyword">this</span>;
<a name="l00710"></a>00710 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>(); i++)
<a name="l00711"></a>00711 u[i] = u[i].<a class="code" href="classKJS_1_1UString.html#a24df9fa57edddca8d0491d5317ce1a3c" title="Returns this string converted to lower case characters.">toLower</a>();
<a name="l00712"></a>00712 <span class="keywordflow">return</span> u;
<a name="l00713"></a>00713 }
<a name="l00714"></a>00714
<a name="l00715"></a><a class="code" href="classKJS_1_1UString.html#ae788ab7e6b98528da8a5f0999af03b5c">00715</a> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> <a class="code" href="classKJS_1_1UString.html#ae788ab7e6b98528da8a5f0999af03b5c" title="Returns this string converted to upper case characters.">UString::toUpper</a>()<span class="keyword"> const</span>
<a name="l00716"></a>00716 <span class="keyword"></span>{
<a name="l00717"></a>00717 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> u = *<span class="keyword">this</span>;
<a name="l00718"></a>00718 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>(); i++)
<a name="l00719"></a>00719 u[i] = u[i].<a class="code" href="classKJS_1_1UString.html#ae788ab7e6b98528da8a5f0999af03b5c" title="Returns this string converted to upper case characters.">toUpper</a>();
<a name="l00720"></a>00720 <span class="keywordflow">return</span> u;
<a name="l00721"></a>00721 }
<a name="l00722"></a>00722
<a name="l00723"></a>00723 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> UString::toUInt32(<span class="keywordtype">bool</span> *ok)<span class="keyword"> const</span>
<a name="l00724"></a>00724 <span class="keyword"></span>{
<a name="l00725"></a>00725 <span class="keywordtype">double</span> d = toDouble();
<a name="l00726"></a>00726 <span class="keywordtype">bool</span> b = <span class="keyword">true</span>;
<a name="l00727"></a>00727
<a name="l00728"></a>00728 <span class="keywordflow">if</span> (isNaN(d) || d != static_cast<unsigned>(d)) {
<a name="l00729"></a>00729 b = <span class="keyword">false</span>;
<a name="l00730"></a>00730 d = 0;
<a name="l00731"></a>00731 }
<a name="l00732"></a>00732
<a name="l00733"></a>00733 <span class="keywordflow">if</span> (ok)
<a name="l00734"></a>00734 *ok = b;
<a name="l00735"></a>00735
<a name="l00736"></a>00736 <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span><span class="keyword">></span>(d);
<a name="l00737"></a>00737 }
<a name="l00738"></a>00738
<a name="l00739"></a>00739 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> UString::toStrictUInt32(<span class="keywordtype">bool</span> *ok)<span class="keyword"> const</span>
<a name="l00740"></a>00740 <span class="keyword"></span>{
<a name="l00741"></a>00741 <span class="keywordflow">if</span> (ok)
<a name="l00742"></a>00742 *ok = <span class="keyword">false</span>;
<a name="l00743"></a>00743
<a name="l00744"></a>00744 <span class="comment">// Empty string is not OK.</span>
<a name="l00745"></a>00745 <span class="keywordtype">int</span> len = rep->len;
<a name="l00746"></a>00746 <span class="keywordflow">if</span> (len == 0)
<a name="l00747"></a>00747 <span class="keywordflow">return</span> 0;
<a name="l00748"></a>00748 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *p = rep->dat;
<a name="l00749"></a>00749 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> c = p-><a class="code" href="structKJS_1_1UChar.html#a27abfa37a66ab6e4dfc2bf59d66bacef">unicode</a>();
<a name="l00750"></a>00750
<a name="l00751"></a>00751 <span class="comment">// If the first digit is 0, only 0 itself is OK.</span>
<a name="l00752"></a>00752 <span class="keywordflow">if</span> (c == <span class="charliteral">'0'</span>) {
<a name="l00753"></a>00753 <span class="keywordflow">if</span> (len == 1 && ok)
<a name="l00754"></a>00754 *ok = <span class="keyword">true</span>;
<a name="l00755"></a>00755 <span class="keywordflow">return</span> 0;
<a name="l00756"></a>00756 }
<a name="l00757"></a>00757
<a name="l00758"></a>00758 <span class="comment">// Convert to UInt32, checking for overflow.</span>
<a name="l00759"></a>00759 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0;
<a name="l00760"></a>00760 <span class="keywordflow">while</span> (1) {
<a name="l00761"></a>00761 <span class="comment">// Process character, turning it into a digit.</span>
<a name="l00762"></a>00762 <span class="keywordflow">if</span> (c < '0' || c > <span class="charliteral">'9'</span>)
<a name="l00763"></a>00763 <span class="keywordflow">return</span> 0;
<a name="l00764"></a>00764 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> d = c - <span class="charliteral">'0'</span>;
<a name="l00765"></a>00765
<a name="l00766"></a>00766 <span class="comment">// Multiply by 10, checking for overflow out of 32 bits.</span>
<a name="l00767"></a>00767 <span class="keywordflow">if</span> (i > 0xFFFFFFFFU / 10)
<a name="l00768"></a>00768 <span class="keywordflow">return</span> 0;
<a name="l00769"></a>00769 i *= 10;
<a name="l00770"></a>00770
<a name="l00771"></a>00771 <span class="comment">// Add in the digit, checking for overflow out of 32 bits.</span>
<a name="l00772"></a>00772 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> max = 0xFFFFFFFFU - d;
<a name="l00773"></a>00773 <span class="keywordflow">if</span> (i > max)
<a name="l00774"></a>00774 <span class="keywordflow">return</span> 0;
<a name="l00775"></a>00775 i += d;
<a name="l00776"></a>00776
<a name="l00777"></a>00777 <span class="comment">// Handle end of string.</span>
<a name="l00778"></a>00778 <span class="keywordflow">if</span> (--len == 0) {
<a name="l00779"></a>00779 <span class="keywordflow">if</span> (ok)
<a name="l00780"></a>00780 *ok = <span class="keyword">true</span>;
<a name="l00781"></a>00781 <span class="keywordflow">return</span> i;
<a name="l00782"></a>00782 }
<a name="l00783"></a>00783
<a name="l00784"></a>00784 <span class="comment">// Get next character.</span>
<a name="l00785"></a>00785 c = (++p)->unicode();
<a name="l00786"></a>00786 }
<a name="l00787"></a>00787 }
<a name="l00788"></a>00788
<a name="l00789"></a>00789 <span class="comment">// Rule from ECMA 15.2 about what an array index is.</span>
<a name="l00790"></a>00790 <span class="comment">// Must exactly match string form of an unsigned integer, and be less than 2^32 - 1.</span>
<a name="l00791"></a><a class="code" href="classKJS_1_1UString.html#a2810a2dbfcdb92db9e10f415f21c6008">00791</a> <span class="keywordtype">unsigned</span> <a class="code" href="classKJS_1_1UString.html#a2810a2dbfcdb92db9e10f415f21c6008" title="Attempts an conversion to an array index.">UString::toArrayIndex</a>(<span class="keywordtype">bool</span> *ok)<span class="keyword"> const</span>
<a name="l00792"></a>00792 <span class="keyword"></span>{
<a name="l00793"></a>00793 <span class="keywordtype">unsigned</span> i = toStrictUInt32(ok);
<a name="l00794"></a>00794 <span class="keywordflow">if</span> (i >= 0xFFFFFFFFU && ok)
<a name="l00795"></a>00795 *ok = <span class="keyword">false</span>;
<a name="l00796"></a>00796 <span class="keywordflow">return</span> i;
<a name="l00797"></a>00797 }
<a name="l00798"></a>00798
<a name="l00799"></a><a class="code" href="classKJS_1_1UString.html#a8a7e8222f9166800c8250cb02b0d717a">00799</a> <span class="keywordtype">int</span> <a class="code" href="classKJS_1_1UString.html#a8a7e8222f9166800c8250cb02b0d717a">UString::find</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &f, <span class="keywordtype">int</span> pos)<span class="keyword"> const</span>
<a name="l00800"></a>00800 <span class="keyword"></span>{
<a name="l00801"></a>00801 <span class="keywordtype">int</span> sz = <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00802"></a>00802 <span class="keywordtype">int</span> fsz = f.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00803"></a>00803 <span class="keywordflow">if</span> (sz < fsz)
<a name="l00804"></a>00804 <span class="keywordflow">return</span> -1;
<a name="l00805"></a>00805 <span class="keywordflow">if</span> (pos < 0)
<a name="l00806"></a>00806 pos = 0;
<a name="l00807"></a>00807 <span class="keywordflow">if</span> (fsz == 0)
<a name="l00808"></a>00808 <span class="keywordflow">return</span> pos;
<a name="l00809"></a>00809 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *end = <a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>() + sz - fsz;
<a name="l00810"></a>00810 <span class="keywordtype">long</span> fsizeminusone = (fsz - 1) * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>);
<a name="l00811"></a>00811 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *fdata = f.<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00812"></a>00812 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> fchar = fdata->uc;
<a name="l00813"></a>00813 ++fdata;
<a name="l00814"></a>00814 <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *c = <a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>() + pos; c <= end; c++)
<a name="l00815"></a>00815 <span class="keywordflow">if</span> (c->uc == fchar && !memcmp(c + 1, fdata, fsizeminusone))
<a name="l00816"></a>00816 <span class="keywordflow">return</span> (c-<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>());
<a name="l00817"></a>00817
<a name="l00818"></a>00818 <span class="keywordflow">return</span> -1;
<a name="l00819"></a>00819 }
<a name="l00820"></a>00820
<a name="l00821"></a>00821 <span class="keywordtype">int</span> <a class="code" href="classKJS_1_1UString.html#a8a7e8222f9166800c8250cb02b0d717a">UString::find</a>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> ch, <span class="keywordtype">int</span> pos)<span class="keyword"> const</span>
<a name="l00822"></a>00822 <span class="keyword"></span>{
<a name="l00823"></a>00823 <span class="keywordflow">if</span> (pos < 0)
<a name="l00824"></a>00824 pos = 0;
<a name="l00825"></a>00825 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *end = <a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>() + <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00826"></a>00826 <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *c = <a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>() + pos; c < end; c++)
<a name="l00827"></a>00827 <span class="keywordflow">if</span> (*c == ch)
<a name="l00828"></a>00828 <span class="keywordflow">return</span> (c-<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>());
<a name="l00829"></a>00829
<a name="l00830"></a>00830 <span class="keywordflow">return</span> -1;
<a name="l00831"></a>00831 }
<a name="l00832"></a>00832
<a name="l00833"></a><a class="code" href="classKJS_1_1UString.html#ab527e50972f678180a4fe6664a3ef264">00833</a> <span class="keywordtype">int</span> <a class="code" href="classKJS_1_1UString.html#ab527e50972f678180a4fe6664a3ef264">UString::rfind</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &f, <span class="keywordtype">int</span> pos)<span class="keyword"> const</span>
<a name="l00834"></a>00834 <span class="keyword"></span>{
<a name="l00835"></a>00835 <span class="keywordtype">int</span> sz = <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00836"></a>00836 <span class="keywordtype">int</span> fsz = f.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00837"></a>00837 <span class="keywordflow">if</span> (sz < fsz)
<a name="l00838"></a>00838 <span class="keywordflow">return</span> -1;
<a name="l00839"></a>00839 <span class="keywordflow">if</span> (pos < 0)
<a name="l00840"></a>00840 pos = 0;
<a name="l00841"></a>00841 <span class="keywordflow">if</span> (pos > sz - fsz)
<a name="l00842"></a>00842 pos = sz - fsz;
<a name="l00843"></a>00843 <span class="keywordflow">if</span> (fsz == 0)
<a name="l00844"></a>00844 <span class="keywordflow">return</span> pos;
<a name="l00845"></a>00845 <span class="keywordtype">long</span> fsizeminusone = (fsz - 1) * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>);
<a name="l00846"></a>00846 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *fdata = f.<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00847"></a>00847 <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *c = <a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>() + pos; c >= <a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>(); c--) {
<a name="l00848"></a>00848 <span class="keywordflow">if</span> (*c == *fdata && !memcmp(c + 1, fdata + 1, fsizeminusone))
<a name="l00849"></a>00849 <span class="keywordflow">return</span> (c-<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>());
<a name="l00850"></a>00850 }
<a name="l00851"></a>00851
<a name="l00852"></a>00852 <span class="keywordflow">return</span> -1;
<a name="l00853"></a>00853 }
<a name="l00854"></a>00854
<a name="l00855"></a>00855 <span class="keywordtype">int</span> <a class="code" href="classKJS_1_1UString.html#ab527e50972f678180a4fe6664a3ef264">UString::rfind</a>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> ch, <span class="keywordtype">int</span> pos)<span class="keyword"> const</span>
<a name="l00856"></a>00856 <span class="keyword"></span>{
<a name="l00857"></a>00857 <span class="keywordflow">if</span> (<a class="code" href="classKJS_1_1UString.html#a44f8654cc09f4226980b6b85383abb03">isEmpty</a>())
<a name="l00858"></a>00858 <span class="keywordflow">return</span> -1;
<a name="l00859"></a>00859 <span class="keywordflow">if</span> (pos + 1 >= <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>())
<a name="l00860"></a>00860 pos = <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>() - 1;
<a name="l00861"></a>00861 <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *c = <a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>() + pos; c >= <a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>(); c--) {
<a name="l00862"></a>00862 <span class="keywordflow">if</span> (*c == ch)
<a name="l00863"></a>00863 <span class="keywordflow">return</span> (c-<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>());
<a name="l00864"></a>00864 }
<a name="l00865"></a>00865
<a name="l00866"></a>00866 <span class="keywordflow">return</span> -1;
<a name="l00867"></a>00867 }
<a name="l00868"></a>00868
<a name="l00869"></a><a class="code" href="classKJS_1_1UString.html#a9803bb317f9ad51ce189c2f688cf1941">00869</a> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> <a class="code" href="classKJS_1_1UString.html#a9803bb317f9ad51ce189c2f688cf1941">UString::substr</a>(<span class="keywordtype">int</span> pos, <span class="keywordtype">int</span> len)<span class="keyword"> const</span>
<a name="l00870"></a>00870 <span class="keyword"></span>{
<a name="l00871"></a>00871 <span class="keywordflow">if</span> (pos < 0)
<a name="l00872"></a>00872 pos = 0;
<a name="l00873"></a>00873 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pos >= (<span class="keywordtype">int</span>) <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>())
<a name="l00874"></a>00874 pos = <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00875"></a>00875 <span class="keywordflow">if</span> (len < 0)
<a name="l00876"></a>00876 len = <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00877"></a>00877 <span class="keywordflow">if</span> (pos + len >= (<span class="keywordtype">int</span>) <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>())
<a name="l00878"></a>00878 len = <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>() - pos;
<a name="l00879"></a>00879
<a name="l00880"></a>00880 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *tmp = allocateChars(len);
<a name="l00881"></a>00881 memcpy(tmp, <a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>()+pos, len * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>));
<a name="l00882"></a>00882 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> result(tmp, len);
<a name="l00883"></a>00883 <span class="keyword">delete</span> [] tmp;
<a name="l00884"></a>00884
<a name="l00885"></a>00885 <span class="keywordflow">return</span> result;
<a name="l00886"></a>00886 }
<a name="l00887"></a>00887
<a name="l00888"></a>00888 <span class="keywordtype">void</span> UString::attach(Rep *r)
<a name="l00889"></a>00889 {
<a name="l00890"></a>00890 rep = r;
<a name="l00891"></a>00891 rep->ref();
<a name="l00892"></a>00892 }
<a name="l00893"></a>00893
<a name="l00894"></a>00894 <span class="keywordtype">void</span> UString::detach()
<a name="l00895"></a>00895 {
<a name="l00896"></a>00896 <span class="keywordflow">if</span> (rep->rc > 1) {
<a name="l00897"></a>00897 <span class="keywordtype">int</span> l = <a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00898"></a>00898 <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *n = allocateChars(l);
<a name="l00899"></a>00899 memcpy(n, <a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>(), l * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>));
<a name="l00900"></a>00900 release();
<a name="l00901"></a>00901 rep = Rep::create(n, l);
<a name="l00902"></a>00902 }
<a name="l00903"></a>00903 }
<a name="l00904"></a>00904
<a name="l00905"></a>00905 <span class="keywordtype">void</span> UString::release()
<a name="l00906"></a>00906 {
<a name="l00907"></a>00907 rep->deref();
<a name="l00908"></a>00908 }
<a name="l00909"></a>00909
<a name="l00910"></a>00910 <span class="keywordtype">bool</span> KJS::operator==(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a>& s1, <span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a>& s2)
<a name="l00911"></a>00911 {
<a name="l00912"></a>00912 <span class="keywordflow">if</span> (s1.rep->len != s2.rep->len)
<a name="l00913"></a>00913 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00914"></a>00914
<a name="l00915"></a>00915 <span class="preprocessor">#ifndef NDEBUG</span>
<a name="l00916"></a>00916 <span class="preprocessor"></span> <span class="keywordflow">if</span> ((s1.<a class="code" href="classKJS_1_1UString.html#a13c9d3fb7c7f081736b28ee2d76471d4">isNull</a>() && s2.<a class="code" href="classKJS_1_1UString.html#a44f8654cc09f4226980b6b85383abb03">isEmpty</a>() && !s2.<a class="code" href="classKJS_1_1UString.html#a13c9d3fb7c7f081736b28ee2d76471d4">isNull</a>()) ||
<a name="l00917"></a>00917 (s2.<a class="code" href="classKJS_1_1UString.html#a13c9d3fb7c7f081736b28ee2d76471d4">isNull</a>() && s1.<a class="code" href="classKJS_1_1UString.html#a44f8654cc09f4226980b6b85383abb03">isEmpty</a>() && !s1.<a class="code" href="classKJS_1_1UString.html#a13c9d3fb7c7f081736b28ee2d76471d4">isNull</a>()))
<a name="l00918"></a>00918 fprintf(stderr,
<a name="l00919"></a>00919 <span class="stringliteral">"KJS warning: comparison between empty and null string\n"</span>);
<a name="l00920"></a>00920 <span class="preprocessor">#endif</span>
<a name="l00921"></a>00921 <span class="preprocessor"></span>
<a name="l00922"></a>00922 <span class="keywordflow">return</span> (memcmp(s1.rep->dat, s2.rep->dat,
<a name="l00923"></a>00923 s1.rep->len * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a>)) == 0);
<a name="l00924"></a>00924 }
<a name="l00925"></a>00925
<a name="l00926"></a>00926 <span class="keywordtype">bool</span> KJS::operator==(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a>& s1, <span class="keyword">const</span> <span class="keywordtype">char</span> *s2)
<a name="l00927"></a>00927 {
<a name="l00928"></a>00928 <span class="keywordflow">if</span> (s2 == 0) {
<a name="l00929"></a>00929 <span class="keywordflow">return</span> s1.<a class="code" href="classKJS_1_1UString.html#a44f8654cc09f4226980b6b85383abb03">isEmpty</a>();
<a name="l00930"></a>00930 }
<a name="l00931"></a>00931
<a name="l00932"></a>00932 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *u = s1.<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00933"></a>00933 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *uend = u + s1.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00934"></a>00934 <span class="keywordflow">while</span> (u != uend && *s2) {
<a name="l00935"></a>00935 <span class="keywordflow">if</span> (u->uc != (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>)*s2)
<a name="l00936"></a>00936 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00937"></a>00937 s2++;
<a name="l00938"></a>00938 u++;
<a name="l00939"></a>00939 }
<a name="l00940"></a>00940
<a name="l00941"></a>00941 <span class="keywordflow">return</span> u == uend && *s2 == 0;
<a name="l00942"></a>00942 }
<a name="l00943"></a>00943
<a name="l00944"></a>00944 <span class="keywordtype">bool</span> KJS::operator<(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a>& s1, <span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a>& s2)
<a name="l00945"></a>00945 {
<a name="l00946"></a>00946 <span class="keyword">const</span> <span class="keywordtype">int</span> l1 = s1.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00947"></a>00947 <span class="keyword">const</span> <span class="keywordtype">int</span> l2 = s2.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00948"></a>00948 <span class="keyword">const</span> <span class="keywordtype">int</span> lmin = l1 < l2 ? l1 : l2;
<a name="l00949"></a>00949 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *c1 = s1.<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00950"></a>00950 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *c2 = s2.<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00951"></a>00951 <span class="keywordtype">int</span> l = 0;
<a name="l00952"></a>00952 <span class="keywordflow">while</span> (l < lmin && *c1 == *c2) {
<a name="l00953"></a>00953 c1++;
<a name="l00954"></a>00954 c2++;
<a name="l00955"></a>00955 l++;
<a name="l00956"></a>00956 }
<a name="l00957"></a>00957 <span class="keywordflow">if</span> (l < lmin)
<a name="l00958"></a>00958 <span class="keywordflow">return</span> (c1->uc < c2->uc);
<a name="l00959"></a>00959
<a name="l00960"></a>00960 <span class="keywordflow">return</span> (l1 < l2);
<a name="l00961"></a>00961 }
<a name="l00962"></a>00962
<a name="l00963"></a>00963 <span class="keywordtype">int</span> KJS::compare(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a>& s1, <span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a>& s2)
<a name="l00964"></a>00964 {
<a name="l00965"></a>00965 <span class="keyword">const</span> <span class="keywordtype">int</span> l1 = s1.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00966"></a>00966 <span class="keyword">const</span> <span class="keywordtype">int</span> l2 = s2.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00967"></a>00967 <span class="keyword">const</span> <span class="keywordtype">int</span> lmin = l1 < l2 ? l1 : l2;
<a name="l00968"></a>00968 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *c1 = s1.<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00969"></a>00969 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *c2 = s2.<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00970"></a>00970 <span class="keywordtype">int</span> l = 0;
<a name="l00971"></a>00971 <span class="keywordflow">while</span> (l < lmin && *c1 == *c2) {
<a name="l00972"></a>00972 c1++;
<a name="l00973"></a>00973 c2++;
<a name="l00974"></a>00974 l++;
<a name="l00975"></a>00975 }
<a name="l00976"></a>00976 <span class="keywordflow">if</span> (l < lmin)
<a name="l00977"></a>00977 <span class="keywordflow">return</span> (c1->uc > c2->uc) ? 1 : -1;
<a name="l00978"></a>00978
<a name="l00979"></a>00979 <span class="keywordflow">if</span> (l1 == l2) {
<a name="l00980"></a>00980 <span class="keywordflow">return</span> 0;
<a name="l00981"></a>00981 }
<a name="l00982"></a>00982 <span class="keywordflow">return</span> (l1 < l2) ? 1 : -1;
<a name="l00983"></a>00983 }
</pre></div></div>
</div>
</div></div>
</td>
</tr>
<tr>
<td valign="top" id="leftmenu" width="25%">
<a name="navigation"></a>
<div class="menu_box"><h2>kjs</h2>
<div class="nav_list">
<ul><li><a href="index.html">Main Page</a></li><li><a href="hierarchy.html">Class Hierarchy</a></li><li><a href="classes.html">Alphabetical List</a></li><li><a href="annotated.html">Class List</a></li><li><a href="files.html">File List</a></li><li><a href="functions.html">Class Members</a></li><li><a href="pages.html">Related Pages</a></li></ul>
<!--
<h2>Class Picker</h2>
<div style="text-align: center;">
<form name="guideform">
<select name="guidelinks" style="width:100%;" onChange="window.location=document.guideform.guidelinks.options[document.guideform.guidelinks.selectedIndex].value">
<option value="annotated.html">-- Choose --</option>
<option value="classKJS_1_1BinaryLogicalNode.html">kjs::binarylogicalnode</option>, <option value="classKJS_1_1Boolean.html">kjs::boolean</option>, <option value="classKJS_1_1Collector.html">kjs::collector</option>, <option value="classKJS_1_1Completion.html">kjs::completion</option>, <option value="classKJS_1_1ConditionalNode.html">kjs::conditionalnode</option>, <option value="classKJS_1_1Context.html">kjs::context</option>, <option value="classKJS_1_1ContextImp.html">kjs::contextimp</option>, <option value="classKJS_1_1CString.html">kjs::cstring</option>, <option value="classKJS_1_1Error.html">kjs::error</option>, <option value="classKJS_1_1ExecState.html">kjs::execstate</option>, <option value="classKJS_1_1FunctionImp.html">kjs::functionimp</option>, <option value="classKJS_1_1FunctionPrototypeImp.html">kjs::functionprototypeimp</option>, <option value="classKJS_1_1Identifier.html">kjs::identifier</option>, <option value="classKJS_1_1InternalFunctionImp.html">kjs::internalfunctionimp</option>, <option value="classKJS_1_1Interpreter.html">kjs::interpreter</option>, <option value="classKJS_1_1LabelStack.html">kjs::labelstack</option>, <option value="classKJS_1_1List.html">kjs::list</option>, <option value="classKJS_1_1ListIterator.html">kjs::listiterator</option>, <option value="classKJS_1_1Lookup.html">kjs::lookup</option>, <option value="classKJS_1_1Null.html">kjs::null</option>, <option value="classKJS_1_1Number.html">kjs::number</option>, <option value="classKJS_1_1Object.html">kjs::object</option>, <option value="classKJS_1_1PropertyMap.html">kjs::propertymap</option>, <option value="classKJS_1_1Reference.html">kjs::reference</option>, <option value="classKJS_1_1ReferenceList.html">kjs::referencelist</option>, <option value="classKJS_1_1ReferenceListIterator.html">kjs::referencelistiterator</option>, <option value="classKJS_1_1SavedProperties.html">kjs::savedproperties</option>, <option value="classKJS_1_1ScopeChain.html">kjs::scopechain</option>, <option value="classKJS_1_1ScopeChainNode.html">kjs::scopechainnode</option>, <option value="classKJS_1_1String.html">kjs::string</option>, <option value="classKJS_1_1UCharReference.html">kjs::ucharreference</option>, <option value="classKJS_1_1Undefined.html">kjs::undefined</option>, <option value="classKJS_1_1UString.html">kjs::ustring</option>, <option value="classKJS_1_1Value.html">kjs::value</option>, <option value="classKJS_1_1ValueImp.html">kjs::valueimp</option>,
</select>
</form>
</div>
-->
</div></div>
<div class="menu_box"><h2>API Dox</h2>
<div class="nav_list">
<ul>
<li><a href="../../arts/html/index.html">arts</a></li><li><a href="../../dcop/html/index.html">dcop</a></li><li><a href="../../dnssd/html/index.html">dnssd</a></li><li><a href="../../interfaces/html/index.html">interfaces</a></li><li> <a href="../../interfaces/kimproxy/interface/html/index.html">interface</a></li><li> <a href="../../interfaces/kimproxy/library/html/index.html">library</a></li><li> <a href="../../interfaces/kspeech/html/index.html">kspeech</a></li><li> <a href="../../interfaces/ktexteditor/html/index.html">ktexteditor</a></li><li><a href="../../kabc/html/index.html">kabc</a></li><li><a href="../../kate/html/index.html">kate</a></li><li><a href="../../kcmshell/html/index.html">kcmshell</a></li><li><a href="../../kdecore/html/index.html">kdecore</a></li><li><a href="../../kded/html/index.html">kded</a></li><li><a href="../../kdefx/html/index.html">kdefx</a></li><li><a href="../../kdeprint/html/index.html">kdeprint</a></li><li><a href="../../kdesu/html/index.html">kdesu</a></li><li><a href="../../kdeui/html/index.html">kdeui</a></li><li><a href="../../kdoctools/html/index.html">kdoctools</a></li><li><a href="../../khtml/html/index.html">khtml</a></li><li><a href="../../kimgio/html/index.html">kimgio</a></li><li><a href="../../kinit/html/index.html">kinit</a></li><li><a href="../../kio/html/index.html">kio</a></li><li> <a href="../../kio/bookmarks/html/index.html">bookmarks</a></li><li> <a href="../../kio/httpfilter/html/index.html">httpfilter</a></li><li> <a href="../../kio/kfile/html/index.html">kfile</a></li><li> <a href="../../kio/kio/html/index.html">kio</a></li><li> <a href="../../kio/kioexec/html/index.html">kioexec</a></li><li> <a href="../../kio/kpasswdserver/html/index.html">kpasswdserver</a></li><li> <a href="../../kio/kssl/html/index.html">kssl</a></li><li><a href="../../kioslave/html/index.html">kioslave</a></li><li> <a href="../../kioslave/http/html/index.html">http</a></li><li><a href="../../kjs/html/index.html">kjs</a></li><li><a href="../../kmdi/html/index.html">kmdi</a></li><li> <a href="../../kmdi/kmdi/html/index.html">kmdi</a></li><li><a href="../../knewstuff/html/index.html">knewstuff</a></li><li><a href="../../kparts/html/index.html">kparts</a></li><li><a href="../../kresources/html/index.html">kresources</a></li><li><a href="../../kspell2/html/index.html">kspell2</a></li><li><a href="../../kunittest/html/index.html">kunittest</a></li><li><a href="../../kutils/html/index.html">kutils</a></li><li><a href="../../kwallet/html/index.html">kwallet</a></li><li><a href="../../libkmid/html/index.html">libkmid</a></li><li><a href="../../libkscreensaver/html/index.html">libkscreensaver</a></li>
</ul></div></div>
</td>
</tr>
</table>
<span class="doNotDisplay">
<a href="http://www.kde.org/" accesskey="8">KDE Home</a> |
<a href="http://accessibility.kde.org/" accesskey="9">KDE Accessibility Home</a> |
<a href="http://www.kde.org/media/accesskeys.php" accesskey="0">Description of Access Keys</a>
</span>
<div style="height: 8px"></div>
<div id="footer">
<div id="footer_left">
Maintained by <a href="mailto:groot@kde.org">Adriaan de Groot</a>
and
<a href="mailto:winter@kde.org">Allen Winter</a>.
<br/>
KDE and K Desktop Environment are trademarks of <a href="http://www.kde.org/areas/kde-ev/" title="Homepage of the KDE non-profit Organization">KDE e.V.</a> |
<a href="http://www.kde.org/contact/impressum.php">Legal</a>
</div>
<div id="footer_right"><img src="/media/images/footer_right.png" style="margin: 0px" alt="" /></div>
</div>
<!--
WARNING: DO NOT SEND MAIL TO THE FOLLOWING EMAIL ADDRESS! YOU WILL
BE BLOCKED INSTANTLY AND PERMANENTLY!
<a href="mailto:aaaatrap-425acc3b5374943f@kde.org">Block me</a>
WARNING END
-->
</body>
</html>
