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<h1>ustring.cpp</h1><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> <a class="code" href="namespaceKJS.html#1932e8973511234bad8c5a1e5a3b024e">NaN</a>;
<a name="l00046"></a>00046 <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="namespaceKJS.html#c796616c2facb5894160ebd5eed49fda">Inf</a>;
<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><a class="code" href="classKJS_1_1CString.html#ccdba20374c2c04b5fe43f559f097390">00051</a> 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><a class="code" href="classKJS_1_1CString.html#399d0f709d534efd5dd266655744b964">00058</a> <a class="code" href="classKJS_1_1CString.html#63e2c50cbfa7946dcb4b762161dcc73f">CString::CString</a>(<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><a class="code" href="classKJS_1_1CString.html#cc8f051a040188c60c245c75b680cb4e">00066</a> <a class="code" href="classKJS_1_1CString.html#63e2c50cbfa7946dcb4b762161dcc73f">CString::CString</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1CString.html">CString</a> &b)
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 length = b.<a class="code" href="classKJS_1_1CString.html#7d45b074ce9ea755e2db0e24905b2b4f">length</a>;
<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.<a class="code" href="classKJS_1_1CString.html#cd1404604c8965857d8ff5c204a9ee7d">data</a>, length + 1);
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072
<a name="l00073"></a><a class="code" href="classKJS_1_1CString.html#6c71f771ccdbdbed1d711788355aeea5">00073</a> <a class="code" href="classKJS_1_1CString.html#6c71f771ccdbdbed1d711788355aeea5">CString::~CString</a>()
<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><a class="code" href="classKJS_1_1CString.html#5b1f75806476972af00031d1d75ae1df">00078</a> <a class="code" href="classKJS_1_1CString.html">CString</a> &<a class="code" href="classKJS_1_1CString.html#5b1f75806476972af00031d1d75ae1df">CString::append</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1CString.html">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.<a class="code" href="classKJS_1_1CString.html#7d45b074ce9ea755e2db0e24905b2b4f">length</a> + 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.<a class="code" href="classKJS_1_1CString.html#7d45b074ce9ea755e2db0e24905b2b4f">length</a>)
<a name="l00084"></a>00084 memcpy(n+length, t.<a class="code" href="classKJS_1_1CString.html#cd1404604c8965857d8ff5c204a9ee7d">data</a>, t.<a class="code" href="classKJS_1_1CString.html#7d45b074ce9ea755e2db0e24905b2b4f">length</a>);
<a name="l00085"></a>00085 length += t.<a class="code" href="classKJS_1_1CString.html#7d45b074ce9ea755e2db0e24905b2b4f">length</a>;
<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><a class="code" href="classKJS_1_1CString.html#6372788afb53342eec4d75536c9b1ebd">00094</a> <a class="code" href="classKJS_1_1CString.html">CString</a> &<a class="code" href="classKJS_1_1CString.html#6372788afb53342eec4d75536c9b1ebd">CString::operator=</a>(<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><a class="code" href="classKJS_1_1CString.html#d79373324d30260c3e2904f22ec41492">00104</a> <a class="code" href="classKJS_1_1CString.html">CString</a> &<a class="code" href="classKJS_1_1CString.html#6372788afb53342eec4d75536c9b1ebd">CString::operator=</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1CString.html">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.<a class="code" href="classKJS_1_1CString.html#7d45b074ce9ea755e2db0e24905b2b4f">length</a>;
<a name="l00111"></a>00111 data = <span class="keyword">new</span> <span class="keywordtype">char</span>[length + 1];
<a name="l00112"></a>00112 memcpy(data, str.<a class="code" href="classKJS_1_1CString.html#cd1404604c8965857d8ff5c204a9ee7d">data</a>, length + 1);
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116
<a name="l00117"></a><a class="code" href="namespaceKJS.html#71cc8777531cf8d7543e9d1324952d37">00117</a> <span class="keywordtype">bool</span> <a class="code" href="namespaceKJS.html#6fce44931632e43aa3e1ab10a884cd7a">KJS::operator==</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1CString.html">KJS::CString</a>& c1, <span class="keyword">const</span> <a class="code" href="classKJS_1_1CString.html">KJS::CString</a>& c2)
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 <span class="keywordtype">int</span> len = c1.<a class="code" href="classKJS_1_1CString.html#0c6abfcc6f057a529a6faed69b7dded4">size</a>();
<a name="l00120"></a>00120 <span class="keywordflow">return</span> len == c2.<a class="code" href="classKJS_1_1CString.html#0c6abfcc6f057a529a6faed69b7dded4">size</a>() && (len == 0 || memcmp(c1.<a class="code" href="classKJS_1_1CString.html#5bf4b71d50c728d3faaf052ac8d83bf8">c_str</a>(), c2.<a class="code" href="classKJS_1_1CString.html#5bf4b71d50c728d3faaf052ac8d83bf8">c_str</a>(), len) == 0);
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <a class="code" href="structKJS_1_1UChar.html">UChar</a> UChar::null((<span class="keywordtype">char</span>)0);
<a name="l00124"></a>00124 UString::Rep UString::Rep::null = { 0, 0, 0, 1, 1 };
<a name="l00125"></a>00125 UString::Rep UString::Rep::empty = { 0, 0, 0, 1, 1 };
<a name="l00126"></a>00126 <a class="code" href="classKJS_1_1UString.html">UString</a> UString::null;
<a name="l00127"></a>00127 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> normalStatBufferSize = 4096;
<a name="l00128"></a>00128 <span class="keyword">static</span> <span class="keywordtype">char</span> *statBuffer = 0;
<a name="l00129"></a>00129 <span class="keyword">static</span> <span class="keywordtype">int</span> statBufferSize = 0;
<a name="l00130"></a>00130
<a name="l00131"></a><a class="code" href="structKJS_1_1UChar.html#2bff21a3a261b92e69f0155a074a7ae2">00131</a> <a class="code" href="structKJS_1_1UChar.html">UChar</a> UChar::toLower()<span class="keyword"> const</span>
<a name="l00132"></a>00132 <span class="keyword"></span>{
<a name="l00133"></a>00133 <span class="comment">// ### properly support unicode tolower</span>
<a name="l00134"></a>00134 <span class="keywordflow">if</span> (<a class="code" href="structKJS_1_1UChar.html#556b71349776daeafab7ad01f3b6b553">uc</a> >= 256)
<a name="l00135"></a>00135 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="comment">// tolower is locale-dependent, don't use it.</span>
<a name="l00138"></a>00138 <span class="keywordflow">return</span> static_cast<unsigned char>( ( ( <a class="code" href="structKJS_1_1UChar.html#556b71349776daeafab7ad01f3b6b553">uc</a> >= <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="l00139"></a>00139 }
<a name="l00140"></a>00140
<a name="l00141"></a><a class="code" href="structKJS_1_1UChar.html#c9b1d14631d6d7c2dc4cb82eb7d4389c">00141</a> <a class="code" href="structKJS_1_1UChar.html">UChar</a> <a class="code" href="structKJS_1_1UChar.html#c9b1d14631d6d7c2dc4cb82eb7d4389c">UChar::toUpper</a>()<span class="keyword"> const</span>
<a name="l00142"></a>00142 <span class="keyword"></span>{
<a name="l00143"></a>00143 <span class="keywordflow">if</span> (<a class="code" href="structKJS_1_1UChar.html#556b71349776daeafab7ad01f3b6b553">uc</a> >= 256)
<a name="l00144"></a>00144 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00145"></a>00145
<a name="l00146"></a>00146 <span class="comment">// toupper is locale-dependent, don't use it.</span>
<a name="l00147"></a>00147 <span class="keywordflow">return</span> static_cast<unsigned char>( ( ( <a class="code" href="structKJS_1_1UChar.html#556b71349776daeafab7ad01f3b6b553">uc</a> >= <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="l00148"></a>00148 }
<a name="l00149"></a>00149
<a name="l00150"></a><a class="code" href="classKJS_1_1UCharReference.html#56eecba3f451dce35c90d54d4aae2e3e">00150</a> <a class="code" href="classKJS_1_1UCharReference.html">UCharReference</a>& <a class="code" href="classKJS_1_1UCharReference.html#56eecba3f451dce35c90d54d4aae2e3e">UCharReference::operator=</a>(<a class="code" href="structKJS_1_1UChar.html">UChar</a> c)
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152 str-><a class="code" href="classKJS_1_1UString.html#46de46edaba5c91f2007835cd048a05d">detach</a>();
<a name="l00153"></a>00153 <span class="keywordflow">if</span> (offset < str->rep->len)
<a name="l00154"></a>00154 *(str-><a class="code" href="classKJS_1_1UString.html#d74d1f086a769a0e484446a5de3d5bfe">rep</a>->dat + offset) = c;
<a name="l00155"></a>00155 <span class="comment">/* TODO: lengthen string ? */</span>
<a name="l00156"></a>00156 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <a class="code" href="structKJS_1_1UChar.html">UChar</a>& UCharReference::ref()<span class="keyword"> const</span>
<a name="l00160"></a>00160 <span class="keyword"></span>{
<a name="l00161"></a>00161 <span class="keywordflow">if</span> (offset < str->rep->len)
<a name="l00162"></a>00162 <span class="keywordflow">return</span> *(str-><a class="code" href="classKJS_1_1UString.html#d74d1f086a769a0e484446a5de3d5bfe">rep</a>->dat + offset);
<a name="l00163"></a>00163 <span class="keywordflow">else</span>
<a name="l00164"></a>00164 <span class="keywordflow">return</span> <a class="code" href="structKJS_1_1UChar.html#4954d69677d944c7699373849f419ba7">UChar::null</a>;
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166
<a name="l00167"></a>00167 <span class="comment">// return an uninitialized UChar array of size s</span>
<a name="l00168"></a>00168 <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a>* allocateChars(<span class="keywordtype">int</span> s)
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170 <span class="comment">// work around default UChar constructor code</span>
<a name="l00171"></a>00171 <span class="keywordflow">return</span> reinterpret_cast<UChar*>(<span class="keyword">new</span> <span class="keywordtype">short</span>[s]);
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a>00174 UString::Rep *UString::Rep::create(<a class="code" href="structKJS_1_1UChar.html">UChar</a> *d, <span class="keywordtype">int</span> l)
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176 Rep *r = <span class="keyword">new</span> Rep;
<a name="l00177"></a>00177 r->dat = d;
<a name="l00178"></a>00178 r->len = l;
<a name="l00179"></a>00179 r->capacity = l;
<a name="l00180"></a>00180 r->rc = 1;
<a name="l00181"></a>00181 r->_hash = 0;
<a name="l00182"></a>00182 <span class="keywordflow">return</span> r;
<a name="l00183"></a>00183 }
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="keywordtype">void</span> UString::Rep::destroy()
<a name="l00186"></a>00186 {
<a name="l00187"></a>00187 <span class="keywordflow">if</span> (capacity == capacityForIdentifier)
<a name="l00188"></a>00188 <a class="code" href="classKJS_1_1Identifier.html#cb6c377fbb2db7f57ebb154eb2865438">Identifier::remove</a>(<span class="keyword">this</span>);
<a name="l00189"></a>00189 <span class="keyword">delete</span> [] dat;
<a name="l00190"></a>00190 <span class="keyword">delete</span> <span class="keyword">this</span>;
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="comment">// Golden ratio - arbitrary start value to avoid mapping all 0's to all 0's</span>
<a name="l00194"></a>00194 <span class="comment">// or anything like that.</span>
<a name="l00195"></a>00195 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> PHI = 0x9e3779b9U;
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="comment">// This hash algorithm comes from:</span>
<a name="l00198"></a>00198 <span class="comment">// http://burtleburtle.net/bob/hash/hashfaq.html</span>
<a name="l00199"></a>00199 <span class="comment">// http://burtleburtle.net/bob/hash/doobs.html</span>
<a name="l00200"></a>00200 <span class="keywordtype">unsigned</span> UString::Rep::computeHash(<span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *s, <span class="keywordtype">int</span> length)
<a name="l00201"></a>00201 {
<a name="l00202"></a>00202 <span class="keywordtype">int</span> prefixLength = length < 8 ? length : 8;
<a name="l00203"></a>00203 <span class="keywordtype">int</span> suffixPosition = length < 16 ? 8 : length - 8;
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="keywordtype">unsigned</span> h = PHI;
<a name="l00206"></a>00206 h += length;
<a name="l00207"></a>00207 h += (h << 10);
<a name="l00208"></a>00208 h ^= (h << 6);
<a name="l00209"></a>00209
<a name="l00210"></a>00210 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < prefixLength; i++) {
<a name="l00211"></a>00211 h += s[i].uc;
<a name="l00212"></a>00212 h += (h << 10);
<a name="l00213"></a>00213 h ^= (h << 6);
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = suffixPosition; i < length; i++){
<a name="l00216"></a>00216 h += s[i].uc;
<a name="l00217"></a>00217 h += (h << 10);
<a name="l00218"></a>00218 h ^= (h << 6);
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220
<a name="l00221"></a>00221 h += (h << 3);
<a name="l00222"></a>00222 h ^= (h >> 11);
<a name="l00223"></a>00223 h += (h << 15);
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <span class="keywordflow">if</span> (h == 0)
<a name="l00226"></a>00226 h = 0x80000000;
<a name="l00227"></a>00227
<a name="l00228"></a>00228 <span class="keywordflow">return</span> h;
<a name="l00229"></a>00229 }
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="comment">// This hash algorithm comes from:</span>
<a name="l00232"></a>00232 <span class="comment">// http://burtleburtle.net/bob/hash/hashfaq.html</span>
<a name="l00233"></a>00233 <span class="comment">// http://burtleburtle.net/bob/hash/doobs.html</span>
<a name="l00234"></a>00234 <span class="keywordtype">unsigned</span> UString::Rep::computeHash(<span class="keyword">const</span> <span class="keywordtype">char</span> *s)
<a name="l00235"></a>00235 {
<a name="l00236"></a>00236 <span class="keywordtype">int</span> length = strlen(s);
<a name="l00237"></a>00237 <span class="keywordtype">int</span> prefixLength = length < 8 ? length : 8;
<a name="l00238"></a>00238 <span class="keywordtype">int</span> suffixPosition = length < 16 ? 8 : length - 8;
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="keywordtype">unsigned</span> h = PHI;
<a name="l00241"></a>00241 h += length;
<a name="l00242"></a>00242 h += (h << 10);
<a name="l00243"></a>00243 h ^= (h << 6);
<a name="l00244"></a>00244
<a name="l00245"></a>00245 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < prefixLength; i++) {
<a name="l00246"></a>00246 h += (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>)s[i];
<a name="l00247"></a>00247 h += (h << 10);
<a name="l00248"></a>00248 h ^= (h << 6);
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = suffixPosition; i < length; i++) {
<a name="l00251"></a>00251 h += (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>)s[i];
<a name="l00252"></a>00252 h += (h << 10);
<a name="l00253"></a>00253 h ^= (h << 6);
<a name="l00254"></a>00254 }
<a name="l00255"></a>00255
<a name="l00256"></a>00256 h += (h << 3);
<a name="l00257"></a>00257 h ^= (h >> 11);
<a name="l00258"></a>00258 h += (h << 15);
<a name="l00259"></a>00259
<a name="l00260"></a>00260 <span class="keywordflow">if</span> (h == 0)
<a name="l00261"></a>00261 h = 0x80000000;
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="keywordflow">return</span> h;
<a name="l00264"></a>00264 }
<a name="l00265"></a>00265
<a name="l00266"></a><a class="code" href="classKJS_1_1UString.html#6bff2ea822acdda7aa6203a31e2de5e9">00266</a> <a class="code" href="classKJS_1_1UString.html#6bff2ea822acdda7aa6203a31e2de5e9">UString::UString</a>()
<a name="l00267"></a>00267 {
<a name="l00268"></a>00268 <a class="code" href="classKJS_1_1UString.html#b593c40f5576c145960dc5e9bbdb80ea">null</a>.<a class="code" href="classKJS_1_1UString.html#d74d1f086a769a0e484446a5de3d5bfe">rep</a> = &Rep::null;
<a name="l00269"></a>00269 attach(&Rep::null);
<a name="l00270"></a>00270 }
<a name="l00271"></a>00271
<a name="l00272"></a><a class="code" href="classKJS_1_1UString.html#3f119ee9f4b878721ca3c75fb15fbdd5">00272</a> <a class="code" href="classKJS_1_1UString.html#6bff2ea822acdda7aa6203a31e2de5e9">UString::UString</a>(<span class="keywordtype">char</span> c)
<a name="l00273"></a>00273 {
<a name="l00274"></a>00274 <a class="code" href="structKJS_1_1UChar.html">UChar</a> *d = allocateChars(1);
<a name="l00275"></a>00275 d[0] = c;
<a name="l00276"></a>00276 rep = Rep::create(d, 1);
<a name="l00277"></a>00277 }
<a name="l00278"></a>00278
<a name="l00279"></a><a class="code" href="classKJS_1_1UString.html#2a7c6a727fa9eb36aabc639644e3c026">00279</a> <a class="code" href="classKJS_1_1UString.html#6bff2ea822acdda7aa6203a31e2de5e9">UString::UString</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *c)
<a name="l00280"></a>00280 {
<a name="l00281"></a>00281 <span class="keywordflow">if</span> (!c) {
<a name="l00282"></a>00282 attach(&Rep::null);
<a name="l00283"></a>00283 <span class="keywordflow">return</span>;
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285 <span class="keywordtype">int</span> length = strlen(c);
<a name="l00286"></a>00286 <span class="keywordflow">if</span> (length == 0) {
<a name="l00287"></a>00287 attach(&Rep::empty);
<a name="l00288"></a>00288 <span class="keywordflow">return</span>;
<a name="l00289"></a>00289 }
<a name="l00290"></a>00290 <a class="code" href="structKJS_1_1UChar.html">UChar</a> *d = <span class="keyword">new</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a>[length];
<a name="l00291"></a>00291 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < length; i++)
<a name="l00292"></a>00292 d[i].uc = (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>)c[i];
<a name="l00293"></a>00293 rep = Rep::create(d, length);
<a name="l00294"></a>00294 }
<a name="l00295"></a>00295
<a name="l00296"></a><a class="code" href="classKJS_1_1UString.html#02853f089c16880f35e4da47bd431ad6">00296</a> <a class="code" href="classKJS_1_1UString.html#6bff2ea822acdda7aa6203a31e2de5e9">UString::UString</a>(<span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *c, <span class="keywordtype">int</span> length)
<a name="l00297"></a>00297 {
<a name="l00298"></a>00298 <span class="keywordflow">if</span> (length == 0) {
<a name="l00299"></a>00299 attach(&Rep::empty);
<a name="l00300"></a>00300 <span class="keywordflow">return</span>;
<a name="l00301"></a>00301 }
<a name="l00302"></a>00302 <a class="code" href="structKJS_1_1UChar.html">UChar</a> *d = allocateChars(length);
<a name="l00303"></a>00303 memcpy(d, c, length * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html">UChar</a>));
<a name="l00304"></a>00304 rep = Rep::create(d, length);
<a name="l00305"></a>00305 }
<a name="l00306"></a>00306
<a name="l00307"></a><a class="code" href="classKJS_1_1UString.html#2a3e7b1572efdee9bde6e10ec9c9b9e8">00307</a> <a class="code" href="classKJS_1_1UString.html#6bff2ea822acdda7aa6203a31e2de5e9">UString::UString</a>(<a class="code" href="structKJS_1_1UChar.html">UChar</a> *c, <span class="keywordtype">int</span> length, <span class="keywordtype">bool</span> copy)
<a name="l00308"></a>00308 {
<a name="l00309"></a>00309 <span class="keywordflow">if</span> (length == 0) {
<a name="l00310"></a>00310 attach(&Rep::empty);
<a name="l00311"></a>00311 <span class="keywordflow">return</span>;
<a name="l00312"></a>00312 }
<a name="l00313"></a>00313 <a class="code" href="structKJS_1_1UChar.html">UChar</a> *d;
<a name="l00314"></a>00314 <span class="keywordflow">if</span> (copy) {
<a name="l00315"></a>00315 d = allocateChars(length);
<a name="l00316"></a>00316 memcpy(d, c, length * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html">UChar</a>));
<a name="l00317"></a>00317 } <span class="keywordflow">else</span>
<a name="l00318"></a>00318 d = c;
<a name="l00319"></a>00319 rep = Rep::create(d, length);
<a name="l00320"></a>00320 }
<a name="l00321"></a>00321
<a name="l00322"></a><a class="code" href="classKJS_1_1UString.html#ba0f033ac9b764df0130087af1a3a6ff">00322</a> <a class="code" href="classKJS_1_1UString.html#6bff2ea822acdda7aa6203a31e2de5e9">UString::UString</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html">UString</a> &a, <span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html">UString</a> &b)
<a name="l00323"></a>00323 {
<a name="l00324"></a>00324 <span class="keywordtype">int</span> aSize = a.<a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00325"></a>00325 <span class="keywordtype">int</span> bSize = b.<a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00326"></a>00326 <span class="keywordtype">int</span> length = aSize + bSize;
<a name="l00327"></a>00327 <span class="keywordflow">if</span> (length == 0) {
<a name="l00328"></a>00328 attach(&Rep::empty);
<a name="l00329"></a>00329 <span class="keywordflow">return</span>;
<a name="l00330"></a>00330 }
<a name="l00331"></a>00331 <a class="code" href="structKJS_1_1UChar.html">UChar</a> *d = allocateChars(length);
<a name="l00332"></a>00332 memcpy(d, a.<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>(), aSize * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html">UChar</a>));
<a name="l00333"></a>00333 memcpy(d + aSize, b.<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>(), bSize * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html">UChar</a>));
<a name="l00334"></a>00334 rep = Rep::create(d, length);
<a name="l00335"></a>00335 }
<a name="l00336"></a>00336
<a name="l00337"></a><a class="code" href="classKJS_1_1UString.html#fa4fb189e0a0a6094b54516833eb0257">00337</a> <a class="code" href="classKJS_1_1UString.html">UString</a> <a class="code" href="classKJS_1_1UString.html#fa4fb189e0a0a6094b54516833eb0257">UString::from</a>(<span class="keywordtype">int</span> i)
<a name="l00338"></a>00338 {
<a name="l00339"></a>00339 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#fa4fb189e0a0a6094b54516833eb0257">from</a>((<span class="keywordtype">long</span>)i);
<a name="l00340"></a>00340 }
<a name="l00341"></a>00341
<a name="l00342"></a><a class="code" href="classKJS_1_1UString.html#37a7ad711ecba8d5877543a3fbd569fe">00342</a> <a class="code" href="classKJS_1_1UString.html">UString</a> <a class="code" href="classKJS_1_1UString.html#fa4fb189e0a0a6094b54516833eb0257">UString::from</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> u)
<a name="l00343"></a>00343 {
<a name="l00344"></a>00344 <a class="code" href="structKJS_1_1UChar.html">UChar</a> buf[20];
<a name="l00345"></a>00345 <a class="code" href="structKJS_1_1UChar.html">UChar</a> *end = buf + 20;
<a name="l00346"></a>00346 <a class="code" href="structKJS_1_1UChar.html">UChar</a> *p = end;
<a name="l00347"></a>00347
<a name="l00348"></a>00348 <span class="keywordflow">if</span> (u == 0) {
<a name="l00349"></a>00349 *--p = <span class="charliteral">'0'</span>;
<a name="l00350"></a>00350 } <span class="keywordflow">else</span> {
<a name="l00351"></a>00351 <span class="keywordflow">while</span> (u) {
<a name="l00352"></a>00352 *--p = (<span class="keywordtype">unsigned</span> short)((u % 10) + <span class="charliteral">'0'</span>);
<a name="l00353"></a>00353 u /= 10;
<a name="l00354"></a>00354 }
<a name="l00355"></a>00355 }
<a name="l00356"></a>00356
<a name="l00357"></a>00357 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#6bff2ea822acdda7aa6203a31e2de5e9">UString</a>(p, end - p);
<a name="l00358"></a>00358 }
<a name="l00359"></a>00359
<a name="l00360"></a><a class="code" href="classKJS_1_1UString.html#35acd4fb09b924dffe70254d500e8fcc">00360</a> <a class="code" href="classKJS_1_1UString.html">UString</a> <a class="code" href="classKJS_1_1UString.html#fa4fb189e0a0a6094b54516833eb0257">UString::from</a>(<span class="keywordtype">long</span> l)
<a name="l00361"></a>00361 {
<a name="l00362"></a>00362 <a class="code" href="structKJS_1_1UChar.html">UChar</a> buf[20];
<a name="l00363"></a>00363 <a class="code" href="structKJS_1_1UChar.html">UChar</a> *end = buf + 20;
<a name="l00364"></a>00364 <a class="code" href="structKJS_1_1UChar.html">UChar</a> *p = end;
<a name="l00365"></a>00365
<a name="l00366"></a>00366 <span class="keywordflow">if</span> (l == 0) {
<a name="l00367"></a>00367 *--p = <span class="charliteral">'0'</span>;
<a name="l00368"></a>00368 } <span class="keywordflow">else</span> {
<a name="l00369"></a>00369 <span class="keywordtype">bool</span> negative = <span class="keyword">false</span>;
<a name="l00370"></a>00370 <span class="keywordflow">if</span> (l < 0) {
<a name="l00371"></a>00371 negative = <span class="keyword">true</span>;
<a name="l00372"></a>00372 l = -l;
<a name="l00373"></a>00373 }
<a name="l00374"></a>00374 <span class="keywordflow">while</span> (l) {
<a name="l00375"></a>00375 *--p = (<span class="keywordtype">unsigned</span> short)((l % 10) + <span class="charliteral">'0'</span>);
<a name="l00376"></a>00376 l /= 10;
<a name="l00377"></a>00377 }
<a name="l00378"></a>00378 <span class="keywordflow">if</span> (negative) {
<a name="l00379"></a>00379 *--p = <span class="charliteral">'-'</span>;
<a name="l00380"></a>00380 }
<a name="l00381"></a>00381 }
<a name="l00382"></a>00382
<a name="l00383"></a>00383 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#6bff2ea822acdda7aa6203a31e2de5e9">UString</a>(p, end - p);
<a name="l00384"></a>00384 }
<a name="l00385"></a>00385
<a name="l00386"></a><a class="code" href="classKJS_1_1UString.html#cd2c0f8da1e7b0b9958e5742150347a6">00386</a> <a class="code" href="classKJS_1_1UString.html">UString</a> <a class="code" href="classKJS_1_1UString.html#fa4fb189e0a0a6094b54516833eb0257">UString::from</a>(<span class="keywordtype">double</span> d)
<a name="l00387"></a>00387 {
<a name="l00388"></a>00388 <span class="keywordtype">char</span> buf[80];
<a name="l00389"></a>00389 <span class="keywordtype">int</span> decimalPoint;
<a name="l00390"></a>00390 <span class="keywordtype">int</span> sign;
<a name="l00391"></a>00391
<a name="l00392"></a>00392 <span class="keywordtype">char</span> *result = kjs_dtoa(d, 0, 0, &decimalPoint, &sign, NULL);
<a name="l00393"></a>00393 <span class="keywordtype">int</span> length = strlen(result);
<a name="l00394"></a>00394
<a name="l00395"></a>00395 <span class="keywordtype">int</span> i = 0;
<a name="l00396"></a>00396 <span class="keywordflow">if</span> (sign) {
<a name="l00397"></a>00397 buf[i++] = <span class="charliteral">'-'</span>;
<a name="l00398"></a>00398 }
<a name="l00399"></a>00399
<a name="l00400"></a>00400 <span class="keywordflow">if</span> (decimalPoint <= 0 && decimalPoint > -6) {
<a name="l00401"></a>00401 buf[i++] = <span class="charliteral">'0'</span>;
<a name="l00402"></a>00402 buf[i++] = <span class="charliteral">'.'</span>;
<a name="l00403"></a>00403 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = decimalPoint; j < 0; j++) {
<a name="l00404"></a>00404 buf[i++] = <span class="charliteral">'0'</span>;
<a name="l00405"></a>00405 }
<a name="l00406"></a>00406 strcpy(buf + i, result);
<a name="l00407"></a>00407 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (decimalPoint <= 21 && decimalPoint > 0) {
<a name="l00408"></a>00408 <span class="keywordflow">if</span> (length <= decimalPoint) {
<a name="l00409"></a>00409 strcpy(buf + i, result);
<a name="l00410"></a>00410 i += length;
<a name="l00411"></a>00411 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < decimalPoint - length; j++) {
<a name="l00412"></a>00412 buf[i++] = <span class="charliteral">'0'</span>;
<a name="l00413"></a>00413 }
<a name="l00414"></a>00414 buf[i] = <span class="charliteral">'\0'</span>;
<a name="l00415"></a>00415 } <span class="keywordflow">else</span> {
<a name="l00416"></a>00416 strncpy(buf + i, result, decimalPoint);
<a name="l00417"></a>00417 i += decimalPoint;
<a name="l00418"></a>00418 buf[i++] = <span class="charliteral">'.'</span>;
<a name="l00419"></a>00419 strcpy(buf + i, result + decimalPoint);
<a name="l00420"></a>00420 }
<a name="l00421"></a>00421 } <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="l00422"></a>00422 strcpy(buf + i, result);
<a name="l00423"></a>00423 } <span class="keywordflow">else</span> {
<a name="l00424"></a>00424 buf[i++] = result[0];
<a name="l00425"></a>00425 <span class="keywordflow">if</span> (length > 1) {
<a name="l00426"></a>00426 buf[i++] = <span class="charliteral">'.'</span>;
<a name="l00427"></a>00427 strcpy(buf + i, result + 1);
<a name="l00428"></a>00428 i += length - 1;
<a name="l00429"></a>00429 }
<a name="l00430"></a>00430
<a name="l00431"></a>00431 buf[i++] = <span class="charliteral">'e'</span>;
<a name="l00432"></a>00432 buf[i++] = (decimalPoint >= 0) ? <span class="charliteral">'+'</span> : <span class="charliteral">'-'</span>;
<a name="l00433"></a>00433 <span class="comment">// decimalPoint can't be more than 3 digits decimal given the</span>
<a name="l00434"></a>00434 <span class="comment">// nature of float representation</span>
<a name="l00435"></a>00435 <span class="keywordtype">int</span> exponential = decimalPoint - 1;
<a name="l00436"></a>00436 <span class="keywordflow">if</span> (exponential < 0) {
<a name="l00437"></a>00437 exponential = exponential * -1;
<a name="l00438"></a>00438 }
<a name="l00439"></a>00439 <span class="keywordflow">if</span> (exponential >= 100) {
<a name="l00440"></a>00440 buf[i++] = <span class="charliteral">'0'</span> + exponential / 100;
<a name="l00441"></a>00441 }
<a name="l00442"></a>00442 <span class="keywordflow">if</span> (exponential >= 10) {
<a name="l00443"></a>00443 buf[i++] = <span class="charliteral">'0'</span> + (exponential % 100) / 10;
<a name="l00444"></a>00444 }
<a name="l00445"></a>00445 buf[i++] = <span class="charliteral">'0'</span> + exponential % 10;
<a name="l00446"></a>00446 buf[i++] = <span class="charliteral">'\0'</span>;
<a name="l00447"></a>00447 }
<a name="l00448"></a>00448
<a name="l00449"></a>00449 kjs_freedtoa(result);
<a name="l00450"></a>00450
<a name="l00451"></a>00451 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#6bff2ea822acdda7aa6203a31e2de5e9">UString</a>(buf);
<a name="l00452"></a>00452 }
<a name="l00453"></a>00453
<a name="l00454"></a><a class="code" href="classKJS_1_1UString.html#f20edaa32eba4f5c3a148098e843742d">00454</a> <a class="code" href="classKJS_1_1UString.html">UString</a> &<a class="code" href="classKJS_1_1UString.html#f20edaa32eba4f5c3a148098e843742d">UString::append</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html">UString</a> &t)
<a name="l00455"></a>00455 {
<a name="l00456"></a>00456 <span class="keywordtype">int</span> l = <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00457"></a>00457 <span class="keywordtype">int</span> tLen = t.<a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00458"></a>00458 <span class="keywordtype">int</span> newLen = l + tLen;
<a name="l00459"></a>00459 <span class="keywordflow">if</span> (rep->rc == 1 && newLen <= rep->capacity) {
<a name="l00460"></a>00460 memcpy(rep->dat+l, t.<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>(), tLen * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html">UChar</a>));
<a name="l00461"></a>00461 rep->len = newLen;
<a name="l00462"></a>00462 rep->_hash = 0;
<a name="l00463"></a>00463 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00464"></a>00464 }
<a name="l00465"></a>00465
<a name="l00466"></a>00466 <span class="keywordtype">int</span> newCapacity = (newLen * 3 + 1) / 2;
<a name="l00467"></a>00467 <a class="code" href="structKJS_1_1UChar.html">UChar</a> *n = allocateChars(newCapacity);
<a name="l00468"></a>00468 memcpy(n, <a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>(), l * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html">UChar</a>));
<a name="l00469"></a>00469 memcpy(n+l, t.<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>(), tLen * <span class="keyword">sizeof</span>(UChar));
<a name="l00470"></a>00470 release();
<a name="l00471"></a>00471 rep = Rep::create(n, newLen);
<a name="l00472"></a>00472 rep->capacity = newCapacity;
<a name="l00473"></a>00473
<a name="l00474"></a>00474 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00475"></a>00475 }
<a name="l00476"></a>00476
<a name="l00477"></a><a class="code" href="classKJS_1_1UString.html#8698c19cee7a6ac284cedcc213a16149">00477</a> <a class="code" href="classKJS_1_1CString.html">CString</a> <a class="code" href="classKJS_1_1UString.html#8698c19cee7a6ac284cedcc213a16149">UString::cstring</a>()<span class="keyword"> const</span>
<a name="l00478"></a>00478 <span class="keyword"></span>{
<a name="l00479"></a>00479 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#2ac3d2b62d65d075f2d99bf7ed2ec366">ascii</a>();
<a name="l00480"></a>00480 }
<a name="l00481"></a>00481
<a name="l00482"></a><a class="code" href="classKJS_1_1UString.html#2ac3d2b62d65d075f2d99bf7ed2ec366">00482</a> <span class="keywordtype">char</span> *<a class="code" href="classKJS_1_1UString.html#2ac3d2b62d65d075f2d99bf7ed2ec366">UString::ascii</a>()<span class="keyword"> const</span>
<a name="l00483"></a>00483 <span class="keyword"></span>{
<a name="l00484"></a>00484 <span class="comment">// Never make the buffer smaller than normalStatBufferSize.</span>
<a name="l00485"></a>00485 <span class="comment">// Thus we almost never need to reallocate.</span>
<a name="l00486"></a>00486 <span class="keywordtype">int</span> length = <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00487"></a>00487 <span class="keywordtype">int</span> neededSize = length + 1;
<a name="l00488"></a>00488 <span class="keywordflow">if</span> (neededSize < normalStatBufferSize) {
<a name="l00489"></a>00489 neededSize = normalStatBufferSize;
<a name="l00490"></a>00490 }
<a name="l00491"></a>00491 <span class="keywordflow">if</span> (neededSize != statBufferSize) {
<a name="l00492"></a>00492 <span class="keyword">delete</span> [] statBuffer;
<a name="l00493"></a>00493 statBuffer = <span class="keyword">new</span> <span class="keywordtype">char</span> [neededSize];
<a name="l00494"></a>00494 statBufferSize = neededSize;
<a name="l00495"></a>00495 }
<a name="l00496"></a>00496
<a name="l00497"></a>00497 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *p = <a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00498"></a>00498 <span class="keywordtype">char</span> *q = statBuffer;
<a name="l00499"></a>00499 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *limit = p + length;
<a name="l00500"></a>00500 <span class="keywordflow">while</span> (p != limit) {
<a name="l00501"></a>00501 *q = p-><a class="code" href="structKJS_1_1UChar.html#556b71349776daeafab7ad01f3b6b553">uc</a>;
<a name="l00502"></a>00502 ++p;
<a name="l00503"></a>00503 ++q;
<a name="l00504"></a>00504 }
<a name="l00505"></a>00505 *q = <span class="charliteral">'\0'</span>;
<a name="l00506"></a>00506
<a name="l00507"></a>00507 <span class="keywordflow">return</span> statBuffer;
<a name="l00508"></a>00508 }
<a name="l00509"></a>00509
<a name="l00510"></a>00510 <span class="preprocessor">#ifdef KJS_DEBUG_MEM</span>
<a name="l00511"></a>00511 <span class="preprocessor"></span><span class="keywordtype">void</span> UString::globalClear()
<a name="l00512"></a>00512 {
<a name="l00513"></a>00513 <span class="keyword">delete</span> [] statBuffer;
<a name="l00514"></a>00514 statBuffer = 0;
<a name="l00515"></a>00515 statBufferSize = 0;
<a name="l00516"></a>00516 }
<a name="l00517"></a>00517 <span class="preprocessor">#endif</span>
<a name="l00518"></a>00518 <span class="preprocessor"></span>
<a name="l00519"></a><a class="code" href="classKJS_1_1UString.html#6c59536babf6a3f14f6cd762b6e3cce1">00519</a> <a class="code" href="classKJS_1_1UString.html">UString</a> &<a class="code" href="classKJS_1_1UString.html#6c59536babf6a3f14f6cd762b6e3cce1">UString::operator=</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *c)
<a name="l00520"></a>00520 {
<a name="l00521"></a>00521 <span class="keywordtype">int</span> l = c ? strlen(c) : 0;
<a name="l00522"></a>00522 <a class="code" href="structKJS_1_1UChar.html">UChar</a> *d;
<a name="l00523"></a>00523 <span class="keywordflow">if</span> (rep->rc == 1 && l <= rep->capacity) {
<a name="l00524"></a>00524 d = rep->dat;
<a name="l00525"></a>00525 rep->_hash = 0;
<a name="l00526"></a>00526 } <span class="keywordflow">else</span> {
<a name="l00527"></a>00527 release();
<a name="l00528"></a>00528 d = allocateChars(l);
<a name="l00529"></a>00529 rep = Rep::create(d, l);
<a name="l00530"></a>00530 }
<a name="l00531"></a>00531 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < l; i++)
<a name="l00532"></a>00532 d[i].uc = (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>)c[i];
<a name="l00533"></a>00533
<a name="l00534"></a>00534 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00535"></a>00535 }
<a name="l00536"></a>00536
<a name="l00537"></a><a class="code" href="classKJS_1_1UString.html#5b53b7e2a89ab36259b44379d4075fdf">00537</a> <a class="code" href="classKJS_1_1UString.html">UString</a> &<a class="code" href="classKJS_1_1UString.html#6c59536babf6a3f14f6cd762b6e3cce1">UString::operator=</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html">UString</a> &str)
<a name="l00538"></a>00538 {
<a name="l00539"></a>00539 str.<a class="code" href="classKJS_1_1UString.html#d74d1f086a769a0e484446a5de3d5bfe">rep</a>->ref();
<a name="l00540"></a>00540 release();
<a name="l00541"></a>00541 rep = str.<a class="code" href="classKJS_1_1UString.html#d74d1f086a769a0e484446a5de3d5bfe">rep</a>;
<a name="l00542"></a>00542
<a name="l00543"></a>00543 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00544"></a>00544 }
<a name="l00545"></a>00545
<a name="l00546"></a><a class="code" href="classKJS_1_1UString.html#510d0787fffb496abd11bdfebc17b8dc">00546</a> <span class="keywordtype">bool</span> <a class="code" href="classKJS_1_1UString.html#510d0787fffb496abd11bdfebc17b8dc">UString::is8Bit</a>()<span class="keyword"> const</span>
<a name="l00547"></a>00547 <span class="keyword"></span>{
<a name="l00548"></a>00548 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *u = <a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00549"></a>00549 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *limit = u + <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00550"></a>00550 <span class="keywordflow">while</span> (u < limit) {
<a name="l00551"></a>00551 <span class="keywordflow">if</span> (u-><a class="code" href="structKJS_1_1UChar.html#556b71349776daeafab7ad01f3b6b553">uc</a> > 0xFF)
<a name="l00552"></a>00552 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00553"></a>00553 ++u;
<a name="l00554"></a>00554 }
<a name="l00555"></a>00555
<a name="l00556"></a>00556 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00557"></a>00557 }
<a name="l00558"></a>00558
<a name="l00559"></a><a class="code" href="classKJS_1_1UString.html#87e53841d25d6707c6058bb0f53547f2">00559</a> <a class="code" href="structKJS_1_1UChar.html">UChar</a> <a class="code" href="classKJS_1_1UString.html#87e53841d25d6707c6058bb0f53547f2">UString::operator[]</a>(<span class="keywordtype">int</span> pos)<span class="keyword"> const</span>
<a name="l00560"></a>00560 <span class="keyword"></span>{
<a name="l00561"></a>00561 <span class="keywordflow">if</span> (pos >= <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>())
<a name="l00562"></a>00562 <span class="keywordflow">return</span> <a class="code" href="structKJS_1_1UChar.html#4954d69677d944c7699373849f419ba7">UChar::null</a>;
<a name="l00563"></a>00563
<a name="l00564"></a>00564 <span class="keywordflow">return</span> ((<a class="code" href="structKJS_1_1UChar.html">UChar</a> *)<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>())[pos];
<a name="l00565"></a>00565 }
<a name="l00566"></a>00566
<a name="l00567"></a><a class="code" href="classKJS_1_1UString.html#3ab183a5bc8eff73f8f374536b54e44c">00567</a> <a class="code" href="classKJS_1_1UCharReference.html">UCharReference</a> <a class="code" href="classKJS_1_1UString.html#87e53841d25d6707c6058bb0f53547f2">UString::operator[]</a>(<span class="keywordtype">int</span> pos)
<a name="l00568"></a>00568 {
<a name="l00569"></a>00569 <span class="comment">/* TODO: boundary check */</span>
<a name="l00570"></a>00570 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#bd8cd4807275b7bad329a361e4f525b2">UCharReference</a>(<span class="keyword">this</span>, pos);
<a name="l00571"></a>00571 }
<a name="l00572"></a>00572
<a name="l00573"></a>00573 <span class="keyword">static</span> <span class="keywordtype">int</span> skipInfString(<span class="keyword">const</span> <span class="keywordtype">char</span> *start)
<a name="l00574"></a>00574 {
<a name="l00575"></a>00575 <span class="keyword">const</span> <span class="keywordtype">char</span> *c = start;
<a name="l00576"></a>00576 <span class="keywordflow">if</span> (*c == <span class="charliteral">'+'</span> || *c == <span class="charliteral">'-'</span>)
<a name="l00577"></a>00577 c++;
<a name="l00578"></a>00578 <span class="keywordflow">if</span> (!strncmp(c,<span class="stringliteral">"Infinity"</span>,8))
<a name="l00579"></a>00579 <span class="keywordflow">return</span> c+8-start;
<a name="l00580"></a>00580
<a name="l00581"></a>00581 <span class="keywordflow">while</span> (*c >= <span class="charliteral">'0'</span> && *c <= <span class="charliteral">'9'</span>)
<a name="l00582"></a>00582 c++;
<a name="l00583"></a>00583 <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> at_dot = c;
<a name="l00584"></a>00584 <span class="keywordflow">if</span> (*c == <span class="charliteral">'.'</span>)
<a name="l00585"></a>00585 c++;
<a name="l00586"></a>00586 <span class="keywordflow">while</span> (*c >= <span class="charliteral">'0'</span> && *c <= <span class="charliteral">'9'</span>)
<a name="l00587"></a>00587 c++;
<a name="l00588"></a>00588
<a name="l00589"></a>00589 <span class="comment">// don't accept a single dot as a number</span>
<a name="l00590"></a>00590 <span class="keywordflow">if</span> (c - at_dot == 1 && *at_dot == <span class="charliteral">'.'</span>)
<a name="l00591"></a>00591 <span class="keywordflow">return</span> at_dot-start;
<a name="l00592"></a>00592
<a name="l00593"></a>00593 <span class="keywordflow">if</span> (*c != <span class="charliteral">'e'</span>)
<a name="l00594"></a>00594 <span class="keywordflow">return</span> c-start;
<a name="l00595"></a>00595
<a name="l00596"></a>00596 c++;
<a name="l00597"></a>00597 <span class="keywordflow">if</span> (*c == <span class="charliteral">'+'</span> || *c == <span class="charliteral">'-'</span>)
<a name="l00598"></a>00598 c++;
<a name="l00599"></a>00599 <span class="keywordflow">while</span> (*c >= <span class="charliteral">'0'</span> && *c <= <span class="charliteral">'9'</span>)
<a name="l00600"></a>00600 c++;
<a name="l00601"></a>00601 <span class="keywordflow">return</span> c-start;
<a name="l00602"></a>00602 }
<a name="l00603"></a>00603
<a name="l00604"></a><a class="code" href="classKJS_1_1UString.html#3f6f047b366a516ad6e9043b4d0d7db9">00604</a> <span class="keywordtype">double</span> <a class="code" href="classKJS_1_1UString.html#f67174def438554e6badfad253dccae0">UString::toDouble</a>(<span class="keywordtype">bool</span> tolerateTrailingJunk, <span class="keywordtype">bool</span> tolerateEmptyString)<span class="keyword"> const</span>
<a name="l00605"></a>00605 <span class="keyword"></span>{
<a name="l00606"></a>00606 <span class="keywordtype">double</span> d;
<a name="l00607"></a>00607 <span class="keywordtype">double</span> sign = 1;
<a name="l00608"></a>00608
<a name="l00609"></a>00609 <span class="comment">// FIXME: If tolerateTrailingJunk is true, then we want to tolerate non-8-bit junk</span>
<a name="l00610"></a>00610 <span class="comment">// after the number, so is8Bit is too strict a check.</span>
<a name="l00611"></a>00611 <span class="keywordflow">if</span> (!<a class="code" href="classKJS_1_1UString.html#510d0787fffb496abd11bdfebc17b8dc">is8Bit</a>())
<a name="l00612"></a>00612 <span class="keywordflow">return</span> <a class="code" href="namespaceKJS.html#1932e8973511234bad8c5a1e5a3b024e">NaN</a>;
<a name="l00613"></a>00613
<a name="l00614"></a>00614 <span class="keyword">const</span> <span class="keywordtype">char</span> *c = <a class="code" href="classKJS_1_1UString.html#2ac3d2b62d65d075f2d99bf7ed2ec366">ascii</a>();
<a name="l00615"></a>00615
<a name="l00616"></a>00616 <span class="comment">// skip leading white space</span>
<a name="l00617"></a>00617 <span class="keywordflow">while</span> (isspace(*c))
<a name="l00618"></a>00618 c++;
<a name="l00619"></a>00619
<a name="l00620"></a>00620 <span class="comment">// empty string ?</span>
<a name="l00621"></a>00621 <span class="keywordflow">if</span> (*c == <span class="charliteral">'\0'</span>)
<a name="l00622"></a>00622 <span class="keywordflow">return</span> tolerateEmptyString ? 0.0 : <a class="code" href="namespaceKJS.html#1932e8973511234bad8c5a1e5a3b024e">NaN</a>;
<a name="l00623"></a>00623
<a name="l00624"></a>00624 <span class="keywordflow">if</span> (*c == <span class="charliteral">'-'</span>) {
<a name="l00625"></a>00625 sign = -1;
<a name="l00626"></a>00626 c++;
<a name="l00627"></a>00627 }
<a name="l00628"></a>00628 <span class="keywordflow">else</span> <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
<a name="l00633"></a>00633 <span class="comment">// hex number ?</span>
<a name="l00634"></a>00634 <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="l00635"></a>00635 c++;
<a name="l00636"></a>00636 d = 0.0;
<a name="l00637"></a>00637 <span class="keywordflow">while</span> (*(++c)) {
<a name="l00638"></a>00638 <span class="keywordflow">if</span> (*c >= <span class="charliteral">'0'</span> && *c <= <span class="charliteral">'9'</span>)
<a name="l00639"></a>00639 d = d * 16.0 + *c - <span class="charliteral">'0'</span>;
<a name="l00640"></a>00640 <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="l00641"></a>00641 d = d * 16.0 + (*c & 0xdf) - <span class="charliteral">'A'</span> + 10.0;
<a name="l00642"></a>00642 <span class="keywordflow">else</span>
<a name="l00643"></a>00643 <span class="keywordflow">break</span>;
<a name="l00644"></a>00644 }
<a name="l00645"></a>00645 } <span class="keywordflow">else</span> {
<a name="l00646"></a>00646 <span class="comment">// regular number ?</span>
<a name="l00647"></a>00647 <span class="keywordtype">char</span> *end;
<a name="l00648"></a>00648 d = kjs_strtod(c, &end);
<a name="l00649"></a>00649 <span class="keywordflow">if</span> ((d != 0.0 || end != c) && d != HUGE_VAL && d != -HUGE_VAL) {
<a name="l00650"></a>00650 c = end;
<a name="l00651"></a>00651 } <span class="keywordflow">else</span> {
<a name="l00652"></a>00652 <span class="comment">// infinity ?</span>
<a name="l00653"></a>00653
<a name="l00654"></a>00654 <span class="keywordtype">int</span> count = skipInfString(c);
<a name="l00655"></a>00655 <span class="keywordflow">if</span> (count == 0)
<a name="l00656"></a>00656 <span class="keywordflow">return</span> <a class="code" href="namespaceKJS.html#1932e8973511234bad8c5a1e5a3b024e">NaN</a>;
<a name="l00657"></a>00657 d = <a class="code" href="namespaceKJS.html#c796616c2facb5894160ebd5eed49fda">Inf</a>;
<a name="l00658"></a>00658 c += count;
<a name="l00659"></a>00659 }
<a name="l00660"></a>00660 }
<a name="l00661"></a>00661
<a name="l00662"></a>00662 <span class="comment">// allow trailing white space</span>
<a name="l00663"></a>00663 <span class="keywordflow">while</span> (isspace(*c))
<a name="l00664"></a>00664 c++;
<a name="l00665"></a>00665 <span class="comment">// don't allow anything after - unless tolerant=true</span>
<a name="l00666"></a>00666 <span class="keywordflow">if</span> (!tolerateTrailingJunk && *c != <span class="charliteral">'\0'</span>)
<a name="l00667"></a>00667 <span class="keywordflow">return</span> <a class="code" href="namespaceKJS.html#1932e8973511234bad8c5a1e5a3b024e">NaN</a>;
<a name="l00668"></a>00668
<a name="l00669"></a>00669 <span class="keywordflow">return</span> d*sign;
<a name="l00670"></a>00670 }
<a name="l00671"></a>00671
<a name="l00672"></a><a class="code" href="classKJS_1_1UString.html#3b17d80435fd69c8dff0960df523ad4d">00672</a> <span class="keywordtype">double</span> <a class="code" href="classKJS_1_1UString.html#f67174def438554e6badfad253dccae0">UString::toDouble</a>(<span class="keywordtype">bool</span> tolerateTrailingJunk)<span class="keyword"> const</span>
<a name="l00673"></a>00673 <span class="keyword"></span>{
<a name="l00674"></a>00674 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#f67174def438554e6badfad253dccae0">toDouble</a>(tolerateTrailingJunk, <span class="keyword">true</span>);
<a name="l00675"></a>00675 }
<a name="l00676"></a>00676
<a name="l00677"></a><a class="code" href="classKJS_1_1UString.html#f67174def438554e6badfad253dccae0">00677</a> <span class="keywordtype">double</span> <a class="code" href="classKJS_1_1UString.html#f67174def438554e6badfad253dccae0">UString::toDouble</a>()<span class="keyword"> const</span>
<a name="l00678"></a>00678 <span class="keyword"></span>{
<a name="l00679"></a>00679 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#f67174def438554e6badfad253dccae0">toDouble</a>(<span class="keyword">false</span>, <span class="keyword">true</span>);
<a name="l00680"></a>00680 }
<a name="l00681"></a>00681
<a name="l00682"></a><a class="code" href="classKJS_1_1UString.html#be9ab18ec02094d99ff8de9f8f30ce62">00682</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="classKJS_1_1UString.html#be9ab18ec02094d99ff8de9f8f30ce62">UString::toULong</a>(<span class="keywordtype">bool</span> *ok, <span class="keywordtype">bool</span> tolerateEmptyString)<span class="keyword"> const</span>
<a name="l00683"></a>00683 <span class="keyword"></span>{
<a name="l00684"></a>00684 <span class="keywordtype">double</span> d = <a class="code" href="classKJS_1_1UString.html#f67174def438554e6badfad253dccae0">toDouble</a>(<span class="keyword">false</span>, tolerateEmptyString);
<a name="l00685"></a>00685 <span class="keywordtype">bool</span> b = <span class="keyword">true</span>;
<a name="l00686"></a>00686
<a name="l00687"></a>00687 <span class="keywordflow">if</span> (<a class="code" href="namespaceKJS.html#ffd5d445b39f94f34d0a4c8604a9968a">isNaN</a>(d) || d != static_cast<unsigned long>(d)) {
<a name="l00688"></a>00688 b = <span class="keyword">false</span>;
<a name="l00689"></a>00689 d = 0;
<a name="l00690"></a>00690 }
<a name="l00691"></a>00691
<a name="l00692"></a>00692 <span class="keywordflow">if</span> (ok)
<a name="l00693"></a>00693 *ok = b;
<a name="l00694"></a>00694
<a name="l00695"></a>00695 <span class="keywordflow">return</span> static_cast<unsigned long>(d);
<a name="l00696"></a>00696 }
<a name="l00697"></a>00697
<a name="l00698"></a><a class="code" href="classKJS_1_1UString.html#7964a16f2e942a29ca1e6f7080c9141f">00698</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="classKJS_1_1UString.html#be9ab18ec02094d99ff8de9f8f30ce62">UString::toULong</a>(<span class="keywordtype">bool</span> *ok)<span class="keyword"> const</span>
<a name="l00699"></a>00699 <span class="keyword"></span>{
<a name="l00700"></a>00700 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#be9ab18ec02094d99ff8de9f8f30ce62">toULong</a>(ok, <span class="keyword">true</span>);
<a name="l00701"></a>00701 }
<a name="l00702"></a>00702
<a name="l00703"></a><a class="code" href="classKJS_1_1UString.html#24df9fa57edddca8d0491d5317ce1a3c">00703</a> <a class="code" href="classKJS_1_1UString.html">UString</a> <a class="code" href="classKJS_1_1UString.html#24df9fa57edddca8d0491d5317ce1a3c">UString::toLower</a>()<span class="keyword"> const</span>
<a name="l00704"></a>00704 <span class="keyword"></span>{
<a name="l00705"></a>00705 <a class="code" href="classKJS_1_1UString.html">UString</a> u = *<span class="keyword">this</span>;
<a name="l00706"></a>00706 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>(); i++)
<a name="l00707"></a>00707 u[i] = u[i].<a class="code" href="classKJS_1_1UString.html#24df9fa57edddca8d0491d5317ce1a3c">toLower</a>();
<a name="l00708"></a>00708 <span class="keywordflow">return</span> u;
<a name="l00709"></a>00709 }
<a name="l00710"></a>00710
<a name="l00711"></a><a class="code" href="classKJS_1_1UString.html#e788ab7e6b98528da8a5f0999af03b5c">00711</a> <a class="code" href="classKJS_1_1UString.html">UString</a> <a class="code" href="classKJS_1_1UString.html#e788ab7e6b98528da8a5f0999af03b5c">UString::toUpper</a>()<span class="keyword"> const</span>
<a name="l00712"></a>00712 <span class="keyword"></span>{
<a name="l00713"></a>00713 <a class="code" href="classKJS_1_1UString.html">UString</a> u = *<span class="keyword">this</span>;
<a name="l00714"></a>00714 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>(); i++)
<a name="l00715"></a>00715 u[i] = u[i].<a class="code" href="classKJS_1_1UString.html#e788ab7e6b98528da8a5f0999af03b5c">toUpper</a>();
<a name="l00716"></a>00716 <span class="keywordflow">return</span> u;
<a name="l00717"></a>00717 }
<a name="l00718"></a>00718
<a name="l00719"></a><a class="code" href="classKJS_1_1UString.html#5c1cfbd72308f5b71d5bcc31474e056d">00719</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classKJS_1_1UString.html#5c1cfbd72308f5b71d5bcc31474e056d">UString::toUInt32</a>(<span class="keywordtype">bool</span> *ok)<span class="keyword"> const</span>
<a name="l00720"></a>00720 <span class="keyword"></span>{
<a name="l00721"></a>00721 <span class="keywordtype">double</span> d = <a class="code" href="classKJS_1_1UString.html#f67174def438554e6badfad253dccae0">toDouble</a>();
<a name="l00722"></a>00722 <span class="keywordtype">bool</span> b = <span class="keyword">true</span>;
<a name="l00723"></a>00723
<a name="l00724"></a>00724 <span class="keywordflow">if</span> (<a class="code" href="namespaceKJS.html#ffd5d445b39f94f34d0a4c8604a9968a">isNaN</a>(d) || d != static_cast<unsigned>(d)) {
<a name="l00725"></a>00725 b = <span class="keyword">false</span>;
<a name="l00726"></a>00726 d = 0;
<a name="l00727"></a>00727 }
<a name="l00728"></a>00728
<a name="l00729"></a>00729 <span class="keywordflow">if</span> (ok)
<a name="l00730"></a>00730 *ok = b;
<a name="l00731"></a>00731
<a name="l00732"></a>00732 <span class="keywordflow">return</span> static_cast<unsigned>(d);
<a name="l00733"></a>00733 }
<a name="l00734"></a>00734
<a name="l00735"></a><a class="code" href="classKJS_1_1UString.html#502a3e59a398bb210794a7d81122cdc7">00735</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classKJS_1_1UString.html#502a3e59a398bb210794a7d81122cdc7">UString::toStrictUInt32</a>(<span class="keywordtype">bool</span> *ok)<span class="keyword"> const</span>
<a name="l00736"></a>00736 <span class="keyword"></span>{
<a name="l00737"></a>00737 <span class="keywordflow">if</span> (ok)
<a name="l00738"></a>00738 *ok = <span class="keyword">false</span>;
<a name="l00739"></a>00739
<a name="l00740"></a>00740 <span class="comment">// Empty string is not OK.</span>
<a name="l00741"></a>00741 <span class="keywordtype">int</span> len = rep->len;
<a name="l00742"></a>00742 <span class="keywordflow">if</span> (len == 0)
<a name="l00743"></a>00743 <span class="keywordflow">return</span> 0;
<a name="l00744"></a>00744 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *p = rep->dat;
<a name="l00745"></a>00745 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> c = p-><a class="code" href="structKJS_1_1UChar.html#27abfa37a66ab6e4dfc2bf59d66bacef">unicode</a>();
<a name="l00746"></a>00746
<a name="l00747"></a>00747 <span class="comment">// If the first digit is 0, only 0 itself is OK.</span>
<a name="l00748"></a>00748 <span class="keywordflow">if</span> (c == <span class="charliteral">'0'</span>) {
<a name="l00749"></a>00749 <span class="keywordflow">if</span> (len == 1 && ok)
<a name="l00750"></a>00750 *ok = <span class="keyword">true</span>;
<a name="l00751"></a>00751 <span class="keywordflow">return</span> 0;
<a name="l00752"></a>00752 }
<a name="l00753"></a>00753
<a name="l00754"></a>00754 <span class="comment">// Convert to UInt32, checking for overflow.</span>
<a name="l00755"></a>00755 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0;
<a name="l00756"></a>00756 <span class="keywordflow">while</span> (1) {
<a name="l00757"></a>00757 <span class="comment">// Process character, turning it into a digit.</span>
<a name="l00758"></a>00758 <span class="keywordflow">if</span> (c < '0' || c > <span class="charliteral">'9'</span>)
<a name="l00759"></a>00759 <span class="keywordflow">return</span> 0;
<a name="l00760"></a>00760 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> d = c - <span class="charliteral">'0'</span>;
<a name="l00761"></a>00761
<a name="l00762"></a>00762 <span class="comment">// Multiply by 10, checking for overflow out of 32 bits.</span>
<a name="l00763"></a>00763 <span class="keywordflow">if</span> (i > 0xFFFFFFFFU / 10)
<a name="l00764"></a>00764 <span class="keywordflow">return</span> 0;
<a name="l00765"></a>00765 i *= 10;
<a name="l00766"></a>00766
<a name="l00767"></a>00767 <span class="comment">// Add in the digit, checking for overflow out of 32 bits.</span>
<a name="l00768"></a>00768 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> max = 0xFFFFFFFFU - d;
<a name="l00769"></a>00769 <span class="keywordflow">if</span> (i > max)
<a name="l00770"></a>00770 <span class="keywordflow">return</span> 0;
<a name="l00771"></a>00771 i += d;
<a name="l00772"></a>00772
<a name="l00773"></a>00773 <span class="comment">// Handle end of string.</span>
<a name="l00774"></a>00774 <span class="keywordflow">if</span> (--len == 0) {
<a name="l00775"></a>00775 <span class="keywordflow">if</span> (ok)
<a name="l00776"></a>00776 *ok = <span class="keyword">true</span>;
<a name="l00777"></a>00777 <span class="keywordflow">return</span> i;
<a name="l00778"></a>00778 }
<a name="l00779"></a>00779
<a name="l00780"></a>00780 <span class="comment">// Get next character.</span>
<a name="l00781"></a>00781 c = (++p)->unicode();
<a name="l00782"></a>00782 }
<a name="l00783"></a>00783 }
<a name="l00784"></a>00784
<a name="l00785"></a>00785 <span class="comment">// Rule from ECMA 15.2 about what an array index is.</span>
<a name="l00786"></a>00786 <span class="comment">// Must exactly match string form of an unsigned integer, and be less than 2^32 - 1.</span>
<a name="l00787"></a><a class="code" href="classKJS_1_1UString.html#2810a2dbfcdb92db9e10f415f21c6008">00787</a> <span class="keywordtype">unsigned</span> <a class="code" href="classKJS_1_1UString.html#2810a2dbfcdb92db9e10f415f21c6008">UString::toArrayIndex</a>(<span class="keywordtype">bool</span> *ok)<span class="keyword"> const</span>
<a name="l00788"></a>00788 <span class="keyword"></span>{
<a name="l00789"></a>00789 <span class="keywordtype">unsigned</span> i = <a class="code" href="classKJS_1_1UString.html#502a3e59a398bb210794a7d81122cdc7">toStrictUInt32</a>(ok);
<a name="l00790"></a>00790 <span class="keywordflow">if</span> (i >= 0xFFFFFFFFU && ok)
<a name="l00791"></a>00791 *ok = <span class="keyword">false</span>;
<a name="l00792"></a>00792 <span class="keywordflow">return</span> i;
<a name="l00793"></a>00793 }
<a name="l00794"></a>00794
<a name="l00795"></a><a class="code" href="classKJS_1_1UString.html#8a7e8222f9166800c8250cb02b0d717a">00795</a> <span class="keywordtype">int</span> <a class="code" href="classKJS_1_1UString.html#8a7e8222f9166800c8250cb02b0d717a">UString::find</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html">UString</a> &f, <span class="keywordtype">int</span> pos)<span class="keyword"> const</span>
<a name="l00796"></a>00796 <span class="keyword"></span>{
<a name="l00797"></a>00797 <span class="keywordtype">int</span> sz = <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00798"></a>00798 <span class="keywordtype">int</span> fsz = f.<a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00799"></a>00799 <span class="keywordflow">if</span> (sz < fsz)
<a name="l00800"></a>00800 <span class="keywordflow">return</span> -1;
<a name="l00801"></a>00801 <span class="keywordflow">if</span> (pos < 0)
<a name="l00802"></a>00802 pos = 0;
<a name="l00803"></a>00803 <span class="keywordflow">if</span> (fsz == 0)
<a name="l00804"></a>00804 <span class="keywordflow">return</span> pos;
<a name="l00805"></a>00805 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *end = <a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>() + sz - fsz;
<a name="l00806"></a>00806 <span class="keywordtype">long</span> fsizeminusone = (fsz - 1) * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html">UChar</a>);
<a name="l00807"></a>00807 <span class="keyword">const</span> UChar *fdata = f.<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00808"></a>00808 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> fchar = fdata-><a class="code" href="structKJS_1_1UChar.html#556b71349776daeafab7ad01f3b6b553">uc</a>;
<a name="l00809"></a>00809 ++fdata;
<a name="l00810"></a>00810 <span class="keywordflow">for</span> (<span class="keyword">const</span> UChar *c = <a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>() + pos; c <= end; c++)
<a name="l00811"></a>00811 <span class="keywordflow">if</span> (c->uc == fchar && !memcmp(c + 1, fdata, fsizeminusone))
<a name="l00812"></a>00812 <span class="keywordflow">return</span> (c-<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>());
<a name="l00813"></a>00813
<a name="l00814"></a>00814 <span class="keywordflow">return</span> -1;
<a name="l00815"></a>00815 }
<a name="l00816"></a>00816
<a name="l00817"></a><a class="code" href="classKJS_1_1UString.html#7cefad97d127bb0f0f866ae8c4adbe38">00817</a> <span class="keywordtype">int</span> <a class="code" href="classKJS_1_1UString.html#8a7e8222f9166800c8250cb02b0d717a">UString::find</a>(<a class="code" href="structKJS_1_1UChar.html">UChar</a> ch, <span class="keywordtype">int</span> pos)<span class="keyword"> const</span>
<a name="l00818"></a>00818 <span class="keyword"></span>{
<a name="l00819"></a>00819 <span class="keywordflow">if</span> (pos < 0)
<a name="l00820"></a>00820 pos = 0;
<a name="l00821"></a>00821 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *end = <a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>() + <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00822"></a>00822 <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *c = <a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>() + pos; c < end; c++)
<a name="l00823"></a>00823 <span class="keywordflow">if</span> (*c == ch)
<a name="l00824"></a>00824 <span class="keywordflow">return</span> (c-<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>());
<a name="l00825"></a>00825
<a name="l00826"></a>00826 <span class="keywordflow">return</span> -1;
<a name="l00827"></a>00827 }
<a name="l00828"></a>00828
<a name="l00829"></a><a class="code" href="classKJS_1_1UString.html#b527e50972f678180a4fe6664a3ef264">00829</a> <span class="keywordtype">int</span> <a class="code" href="classKJS_1_1UString.html#b527e50972f678180a4fe6664a3ef264">UString::rfind</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html">UString</a> &f, <span class="keywordtype">int</span> pos)<span class="keyword"> const</span>
<a name="l00830"></a>00830 <span class="keyword"></span>{
<a name="l00831"></a>00831 <span class="keywordtype">int</span> sz = <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00832"></a>00832 <span class="keywordtype">int</span> fsz = f.<a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00833"></a>00833 <span class="keywordflow">if</span> (sz < fsz)
<a name="l00834"></a>00834 <span class="keywordflow">return</span> -1;
<a name="l00835"></a>00835 <span class="keywordflow">if</span> (pos < 0)
<a name="l00836"></a>00836 pos = 0;
<a name="l00837"></a>00837 <span class="keywordflow">if</span> (pos > sz - fsz)
<a name="l00838"></a>00838 pos = sz - fsz;
<a name="l00839"></a>00839 <span class="keywordflow">if</span> (fsz == 0)
<a name="l00840"></a>00840 <span class="keywordflow">return</span> pos;
<a name="l00841"></a>00841 <span class="keywordtype">long</span> fsizeminusone = (fsz - 1) * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html">UChar</a>);
<a name="l00842"></a>00842 <span class="keyword">const</span> UChar *fdata = f.<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00843"></a>00843 <span class="keywordflow">for</span> (<span class="keyword">const</span> UChar *c = <a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>() + pos; c >= <a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>(); c--) {
<a name="l00844"></a>00844 <span class="keywordflow">if</span> (*c == *fdata && !memcmp(c + 1, fdata + 1, fsizeminusone))
<a name="l00845"></a>00845 <span class="keywordflow">return</span> (c-<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>());
<a name="l00846"></a>00846 }
<a name="l00847"></a>00847
<a name="l00848"></a>00848 <span class="keywordflow">return</span> -1;
<a name="l00849"></a>00849 }
<a name="l00850"></a>00850
<a name="l00851"></a><a class="code" href="classKJS_1_1UString.html#06e844fa42dddd613d2b300cd8b5419b">00851</a> <span class="keywordtype">int</span> <a class="code" href="classKJS_1_1UString.html#b527e50972f678180a4fe6664a3ef264">UString::rfind</a>(<a class="code" href="structKJS_1_1UChar.html">UChar</a> ch, <span class="keywordtype">int</span> pos)<span class="keyword"> const</span>
<a name="l00852"></a>00852 <span class="keyword"></span>{
<a name="l00853"></a>00853 <span class="keywordflow">if</span> (<a class="code" href="classKJS_1_1UString.html#44f8654cc09f4226980b6b85383abb03">isEmpty</a>())
<a name="l00854"></a>00854 <span class="keywordflow">return</span> -1;
<a name="l00855"></a>00855 <span class="keywordflow">if</span> (pos + 1 >= <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>())
<a name="l00856"></a>00856 pos = <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>() - 1;
<a name="l00857"></a>00857 <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *c = <a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>() + pos; c >= <a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>(); c--) {
<a name="l00858"></a>00858 <span class="keywordflow">if</span> (*c == ch)
<a name="l00859"></a>00859 <span class="keywordflow">return</span> (c-<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>());
<a name="l00860"></a>00860 }
<a name="l00861"></a>00861
<a name="l00862"></a>00862 <span class="keywordflow">return</span> -1;
<a name="l00863"></a>00863 }
<a name="l00864"></a>00864
<a name="l00865"></a><a class="code" href="classKJS_1_1UString.html#9803bb317f9ad51ce189c2f688cf1941">00865</a> <a class="code" href="classKJS_1_1UString.html">UString</a> <a class="code" href="classKJS_1_1UString.html#9803bb317f9ad51ce189c2f688cf1941">UString::substr</a>(<span class="keywordtype">int</span> pos, <span class="keywordtype">int</span> len)<span class="keyword"> const</span>
<a name="l00866"></a>00866 <span class="keyword"></span>{
<a name="l00867"></a>00867 <span class="keywordflow">if</span> (pos < 0)
<a name="l00868"></a>00868 pos = 0;
<a name="l00869"></a>00869 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pos >= (<span class="keywordtype">int</span>) <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>())
<a name="l00870"></a>00870 pos = <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00871"></a>00871 <span class="keywordflow">if</span> (len < 0)
<a name="l00872"></a>00872 len = <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00873"></a>00873 <span class="keywordflow">if</span> (pos + len >= (<span class="keywordtype">int</span>) <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>())
<a name="l00874"></a>00874 len = <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>() - pos;
<a name="l00875"></a>00875
<a name="l00876"></a>00876 <a class="code" href="structKJS_1_1UChar.html">UChar</a> *tmp = allocateChars(len);
<a name="l00877"></a>00877 memcpy(tmp, <a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>()+pos, len * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html">UChar</a>));
<a name="l00878"></a>00878 <a class="code" href="classKJS_1_1UString.html">UString</a> result(tmp, len);
<a name="l00879"></a>00879 <span class="keyword">delete</span> [] tmp;
<a name="l00880"></a>00880
<a name="l00881"></a>00881 <span class="keywordflow">return</span> result;
<a name="l00882"></a>00882 }
<a name="l00883"></a>00883
<a name="l00884"></a>00884 <span class="keywordtype">void</span> UString::attach(Rep *r)
<a name="l00885"></a>00885 {
<a name="l00886"></a>00886 rep = r;
<a name="l00887"></a>00887 rep->ref();
<a name="l00888"></a>00888 }
<a name="l00889"></a>00889
<a name="l00890"></a>00890 <span class="keywordtype">void</span> UString::detach()
<a name="l00891"></a>00891 {
<a name="l00892"></a>00892 <span class="keywordflow">if</span> (rep->rc > 1) {
<a name="l00893"></a>00893 <span class="keywordtype">int</span> l = <a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00894"></a>00894 <a class="code" href="structKJS_1_1UChar.html">UChar</a> *n = allocateChars(l);
<a name="l00895"></a>00895 memcpy(n, <a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>(), l * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html">UChar</a>));
<a name="l00896"></a>00896 release();
<a name="l00897"></a>00897 rep = Rep::create(n, l);
<a name="l00898"></a>00898 }
<a name="l00899"></a>00899 }
<a name="l00900"></a>00900
<a name="l00901"></a>00901 <span class="keywordtype">void</span> UString::release()
<a name="l00902"></a>00902 {
<a name="l00903"></a>00903 rep->deref();
<a name="l00904"></a>00904 }
<a name="l00905"></a>00905
<a name="l00906"></a><a class="code" href="namespaceKJS.html#5c544eec1d222179f198865c9e6faf68">00906</a> <span class="keywordtype">bool</span> <a class="code" href="namespaceKJS.html#6fce44931632e43aa3e1ab10a884cd7a">KJS::operator==</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html">UString</a>& s1, <span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html">UString</a>& s2)
<a name="l00907"></a>00907 {
<a name="l00908"></a>00908 <span class="keywordflow">if</span> (s1.<a class="code" href="classKJS_1_1UString.html#d74d1f086a769a0e484446a5de3d5bfe">rep</a>->len != s2.<a class="code" href="classKJS_1_1UString.html#d74d1f086a769a0e484446a5de3d5bfe">rep</a>->len)
<a name="l00909"></a>00909 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00910"></a>00910
<a name="l00911"></a>00911 <span class="preprocessor">#ifndef NDEBUG</span>
<a name="l00912"></a>00912 <span class="preprocessor"></span> <span class="keywordflow">if</span> ((s1.<a class="code" href="classKJS_1_1UString.html#13c9d3fb7c7f081736b28ee2d76471d4">isNull</a>() && s2.<a class="code" href="classKJS_1_1UString.html#44f8654cc09f4226980b6b85383abb03">isEmpty</a>() && !s2.<a class="code" href="classKJS_1_1UString.html#13c9d3fb7c7f081736b28ee2d76471d4">isNull</a>()) ||
<a name="l00913"></a>00913 (s2.<a class="code" href="classKJS_1_1UString.html#13c9d3fb7c7f081736b28ee2d76471d4">isNull</a>() && s1.<a class="code" href="classKJS_1_1UString.html#44f8654cc09f4226980b6b85383abb03">isEmpty</a>() && !s1.<a class="code" href="classKJS_1_1UString.html#13c9d3fb7c7f081736b28ee2d76471d4">isNull</a>()))
<a name="l00914"></a>00914 fprintf(stderr,
<a name="l00915"></a>00915 <span class="stringliteral">"KJS warning: comparison between empty and null string\n"</span>);
<a name="l00916"></a>00916 <span class="preprocessor">#endif</span>
<a name="l00917"></a>00917 <span class="preprocessor"></span>
<a name="l00918"></a>00918 <span class="keywordflow">return</span> (memcmp(s1.<a class="code" href="classKJS_1_1UString.html#d74d1f086a769a0e484446a5de3d5bfe">rep</a>->dat, s2.<a class="code" href="classKJS_1_1UString.html#d74d1f086a769a0e484446a5de3d5bfe">rep</a>->dat,
<a name="l00919"></a>00919 s1.<a class="code" href="classKJS_1_1UString.html#d74d1f086a769a0e484446a5de3d5bfe">rep</a>->len * <span class="keyword">sizeof</span>(<a class="code" href="structKJS_1_1UChar.html">UChar</a>)) == 0);
<a name="l00920"></a>00920 }
<a name="l00921"></a>00921
<a name="l00922"></a><a class="code" href="namespaceKJS.html#fa3cbf9783a80def7ace1a4c1fe92217">00922</a> <span class="keywordtype">bool</span> <a class="code" href="namespaceKJS.html#6fce44931632e43aa3e1ab10a884cd7a">KJS::operator==</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html">UString</a>& s1, <span class="keyword">const</span> <span class="keywordtype">char</span> *s2)
<a name="l00923"></a>00923 {
<a name="l00924"></a>00924 <span class="keywordflow">if</span> (s2 == 0) {
<a name="l00925"></a>00925 <span class="keywordflow">return</span> s1.<a class="code" href="classKJS_1_1UString.html#44f8654cc09f4226980b6b85383abb03">isEmpty</a>();
<a name="l00926"></a>00926 }
<a name="l00927"></a>00927
<a name="l00928"></a>00928 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *u = s1.<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00929"></a>00929 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *uend = u + s1.<a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00930"></a>00930 <span class="keywordflow">while</span> (u != uend && *s2) {
<a name="l00931"></a>00931 <span class="keywordflow">if</span> (u-><a class="code" href="structKJS_1_1UChar.html#556b71349776daeafab7ad01f3b6b553">uc</a> != (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>)*s2)
<a name="l00932"></a>00932 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00933"></a>00933 s2++;
<a name="l00934"></a>00934 u++;
<a name="l00935"></a>00935 }
<a name="l00936"></a>00936
<a name="l00937"></a>00937 <span class="keywordflow">return</span> u == uend && *s2 == 0;
<a name="l00938"></a>00938 }
<a name="l00939"></a>00939
<a name="l00940"></a><a class="code" href="namespaceKJS.html#d3e315b72a7d03ec7681104347f20f00">00940</a> <span class="keywordtype">bool</span> <a class="code" href="namespaceKJS.html#d3e315b72a7d03ec7681104347f20f00">KJS::operator<</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html">UString</a>& s1, <span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html">UString</a>& s2)
<a name="l00941"></a>00941 {
<a name="l00942"></a>00942 <span class="keyword">const</span> <span class="keywordtype">int</span> l1 = s1.<a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00943"></a>00943 <span class="keyword">const</span> <span class="keywordtype">int</span> l2 = s2.<a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00944"></a>00944 <span class="keyword">const</span> <span class="keywordtype">int</span> lmin = l1 < l2 ? l1 : l2;
<a name="l00945"></a>00945 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *c1 = s1.<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00946"></a>00946 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *c2 = s2.<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00947"></a>00947 <span class="keywordtype">int</span> l = 0;
<a name="l00948"></a>00948 <span class="keywordflow">while</span> (l < lmin && *c1 == *c2) {
<a name="l00949"></a>00949 c1++;
<a name="l00950"></a>00950 c2++;
<a name="l00951"></a>00951 l++;
<a name="l00952"></a>00952 }
<a name="l00953"></a>00953 <span class="keywordflow">if</span> (l < lmin)
<a name="l00954"></a>00954 <span class="keywordflow">return</span> (c1-><a class="code" href="structKJS_1_1UChar.html#556b71349776daeafab7ad01f3b6b553">uc</a> < c2-><a class="code" href="structKJS_1_1UChar.html#556b71349776daeafab7ad01f3b6b553">uc</a>);
<a name="l00955"></a>00955
<a name="l00956"></a>00956 <span class="keywordflow">return</span> (l1 < l2);
<a name="l00957"></a>00957 }
<a name="l00958"></a>00958
<a name="l00959"></a><a class="code" href="namespaceKJS.html#626ed9a242a68ddd7437b99934e1d708">00959</a> <span class="keywordtype">int</span> <a class="code" href="namespaceKJS.html#626ed9a242a68ddd7437b99934e1d708">KJS::compare</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html">UString</a>& s1, <span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html">UString</a>& s2)
<a name="l00960"></a>00960 {
<a name="l00961"></a>00961 <span class="keyword">const</span> <span class="keywordtype">int</span> l1 = s1.<a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00962"></a>00962 <span class="keyword">const</span> <span class="keywordtype">int</span> l2 = s2.<a class="code" href="classKJS_1_1UString.html#43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00963"></a>00963 <span class="keyword">const</span> <span class="keywordtype">int</span> lmin = l1 < l2 ? l1 : l2;
<a name="l00964"></a>00964 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *c1 = s1.<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00965"></a>00965 <span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html">UChar</a> *c2 = s2.<a class="code" href="classKJS_1_1UString.html#7dd595aa3385b55938014b32a0e88d0e">data</a>();
<a name="l00966"></a>00966 <span class="keywordtype">int</span> l = 0;
<a name="l00967"></a>00967 <span class="keywordflow">while</span> (l < lmin && *c1 == *c2) {
<a name="l00968"></a>00968 c1++;
<a name="l00969"></a>00969 c2++;
<a name="l00970"></a>00970 l++;
<a name="l00971"></a>00971 }
<a name="l00972"></a>00972 <span class="keywordflow">if</span> (l < lmin)
<a name="l00973"></a>00973 <span class="keywordflow">return</span> (c1-><a class="code" href="structKJS_1_1UChar.html#556b71349776daeafab7ad01f3b6b553">uc</a> > c2-><a class="code" href="structKJS_1_1UChar.html#556b71349776daeafab7ad01f3b6b553">uc</a>) ? 1 : -1;
<a name="l00974"></a>00974
<a name="l00975"></a>00975 <span class="keywordflow">if</span> (l1 == l2) {
<a name="l00976"></a>00976 <span class="keywordflow">return</span> 0;
<a name="l00977"></a>00977 }
<a name="l00978"></a>00978 <span class="keywordflow">return</span> (l1 < l2) ? 1 : -1;
<a name="l00979"></a>00979 }
</pre></div> </div></div>
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value="classKJS_1_1ArrayPrototypeImp.html">kjs::arrayprototypeimp</option>, <option value="classKJS_1_1AssignExprNode.html">kjs::assignexprnode</option>, <option value="classKJS_1_1AssignNode.html">kjs::assignnode</option>, <option value="classKJS_1_1BinaryLogicalNode.html">kjs::binarylogicalnode</option>, <option value="classKJS_1_1BitOperNode.html">kjs::bitopernode</option>, <option value="classKJS_1_1BitwiseNotNode.html">kjs::bitwisenotnode</option>, <option value="classKJS_1_1BlockNode.html">kjs::blocknode</option>, <option value="classKJS_1_1Boolean.html">kjs::boolean</option>, <option value="classKJS_1_1BooleanImp.html">kjs::booleanimp</option>, <option value="classKJS_1_1BooleanInstanceImp.html">kjs::booleaninstanceimp</option>, <option value="classKJS_1_1BooleanNode.html">kjs::booleannode</option>, <option value="classKJS_1_1BooleanObjectImp.html">kjs::booleanobjectimp</option>, <option value="classKJS_1_1BooleanProtoFuncImp.html">kjs::booleanprotofuncimp</option>, <option 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value="classKJS_1_1CString.html">kjs::cstring</option>, <option value="classKJS_1_1DateInstanceImp.html">kjs::dateinstanceimp</option>, <option value="classKJS_1_1DateObjectFuncImp.html">kjs::dateobjectfuncimp</option>, <option value="classKJS_1_1DateObjectImp.html">kjs::dateobjectimp</option>, <option value="classKJS_1_1DateProtoFuncImp.html">kjs::dateprotofuncimp</option>, <option value="classKJS_1_1DatePrototypeImp.html">kjs::dateprototypeimp</option>, <option value="classKJS_1_1Debugger.html">kjs::debugger</option>, <option value="classKJS_1_1DebuggerImp.html">kjs::debuggerimp</option>, <option value="classKJS_1_1DeclaredFunctionImp.html">kjs::declaredfunctionimp</option>, <option value="classKJS_1_1DeleteNode.html">kjs::deletenode</option>, <option value="classKJS_1_1DoWhileNode.html">kjs::dowhilenode</option>, <option value="classKJS_1_1ElementNode.html">kjs::elementnode</option>, <option value="classKJS_1_1EmptyStatementNode.html">kjs::emptystatementnode</option>, <option 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value="classKJS_1_1InterpreterImp.html">kjs::interpreterimp</option>, <option value="classKJS_1_1LabelNode.html">kjs::labelnode</option>, <option value="classKJS_1_1LabelStack.html">kjs::labelstack</option>, <option value="classKJS_1_1Lexer.html">kjs::lexer</option>, <option value="classKJS_1_1List.html">kjs::list</option>, <option value="classKJS_1_1ListIterator.html">kjs::listiterator</option>, <option value="classKJS_1_1LogicalNotNode.html">kjs::logicalnotnode</option>, <option value="classKJS_1_1Lookup.html">kjs::lookup</option>, <option value="classKJS_1_1MathFuncImp.html">kjs::mathfuncimp</option>, <option value="classKJS_1_1MathObjectImp.html">kjs::mathobjectimp</option>, <option value="classKJS_1_1MultNode.html">kjs::multnode</option>, <option value="classKJS_1_1NativeErrorImp.html">kjs::nativeerrorimp</option>, <option value="classKJS_1_1NativeErrorPrototypeImp.html">kjs::nativeerrorprototypeimp</option>, <option value="classKJS_1_1NegateNode.html">kjs::negatenode</option>, 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value="classKJS_1_1ObjectLiteralNode.html">kjs::objectliteralnode</option>, <option value="classKJS_1_1ObjectObjectImp.html">kjs::objectobjectimp</option>, <option value="classKJS_1_1ObjectProtoFuncImp.html">kjs::objectprotofuncimp</option>, <option value="classKJS_1_1ObjectPrototypeImp.html">kjs::objectprototypeimp</option>, <option value="classKJS_1_1ParameterNode.html">kjs::parameternode</option>, <option value="classKJS_1_1Parser.html">kjs::parser</option>, <option value="classKJS_1_1PostfixNode.html">kjs::postfixnode</option>, <option value="classKJS_1_1PrefixNode.html">kjs::prefixnode</option>, <option value="classKJS_1_1PropertyMap.html">kjs::propertymap</option>, <option value="classKJS_1_1PropertyNode.html">kjs::propertynode</option>, <option value="classKJS_1_1PropertyValueNode.html">kjs::propertyvaluenode</option>, <option value="classKJS_1_1Reference.html">kjs::reference</option>, <option value="classKJS_1_1ReferenceList.html">kjs::referencelist</option>, <option 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value="classKJS_1_1StringPrototypeImp.html">kjs::stringprototypeimp</option>, <option value="classKJS_1_1SwitchNode.html">kjs::switchnode</option>, <option value="classKJS_1_1ThisNode.html">kjs::thisnode</option>, <option value="classKJS_1_1ThrowNode.html">kjs::thrownode</option>, <option value="classKJS_1_1TryNode.html">kjs::trynode</option>, <option value="classKJS_1_1TypeOfNode.html">kjs::typeofnode</option>, <option value="classKJS_1_1UCharReference.html">kjs::ucharreference</option>, <option value="classKJS_1_1UnaryPlusNode.html">kjs::unaryplusnode</option>, <option value="classKJS_1_1Undefined.html">kjs::undefined</option>, <option value="classKJS_1_1UndefinedImp.html">kjs::undefinedimp</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>, <option value="classKJS_1_1VarDeclListNode.html">kjs::vardecllistnode</option>, <option 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