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<h1>kfind.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> Copyright (C) 2001, S.R.Haque <srhaque@iee.org>.</span>
<a name="l00003"></a>00003 <span class="comment"> Copyright (C) 2002, David Faure <david@mandrakesoft.com></span>
<a name="l00004"></a>00004 <span class="comment"> Copyright (C) 2004, Arend van Beelen jr. <arend@auton.nl></span>
<a name="l00005"></a>00005 <span class="comment"> This file is part of the KDE project</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 version 2, as published by the Free Software Foundation.</span>
<a name="l00010"></a>00010 <span class="comment"></span>
<a name="l00011"></a>00011 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00014"></a>00014 <span class="comment"> Library General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> You should have received a copy of the GNU Library General Public License</span>
<a name="l00017"></a>00017 <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00018"></a>00018 <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00019"></a>00019 <span class="comment"> Boston, MA 02110-1301, USA.</span>
<a name="l00020"></a>00020 <span class="comment">*/</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include "kfind.h"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "kfinddialog.h"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <kapplication.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <<a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/klocale_8h.html">klocale.h</a>></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <kmessagebox.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <qlabel.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <qregexp.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <qstylesheet.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <qguardedptr.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <qptrvector.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="comment">//#define DEBUG_FIND</span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="preprocessor">#define INDEX_NOMATCH -1</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span>
<a name="l00038"></a>00038 <span class="keyword">class </span>KFindNextDialog : <span class="keyword">public</span> <a class="codeRef" doxygen="kdeui.tag:../../kdeui/html/" href="../../kdeui/html/classKDialogBase.html">KDialogBase</a>
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 <span class="keyword">public</span>:
<a name="l00041"></a>00041 KFindNextDialog(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &pattern, <a class="codeRef" doxygen="qt.tag:" href="qwidget.html">QWidget</a> *parent);
<a name="l00042"></a>00042 };
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="comment">// Create the dialog.</span>
<a name="l00045"></a>00045 KFindNextDialog::KFindNextDialog(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &pattern, <a class="codeRef" doxygen="qt.tag:" href="qwidget.html">QWidget</a> *parent) :
<a name="l00046"></a>00046 <a class="codeRef" doxygen="kdeui.tag:../../kdeui/html/" href="../../kdeui/html/classKDialogBase.html">KDialogBase</a>(parent, 0, false, <span class="comment">// non-modal!</span>
<a name="l00047"></a>00047 i18n(<span class="stringliteral">"Find Next"</span>),
<a name="l00048"></a>00048 User1 | Close,
<a name="l00049"></a>00049 User1,
<a name="l00050"></a>00050 false,
<a name="l00051"></a>00051 <a class="codeRef" doxygen="kdeui.tag:../../kdeui/html/" href="../../kdeui/html/classKStdGuiItem.html">KStdGuiItem</a>::<a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/namespaceKStdAccel.html#a76">find</a>())
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 <a class="codeRef" doxygen="kdeui.tag:../../kdeui/html/" href="../../kdeui/html/classKDialogBase.html#a32">setMainWidget</a>( <span class="keyword">new</span> <a class="codeRef" doxygen="qt.tag:" href="qlabel.html">QLabel</a>( i18n(<span class="stringliteral">"<qt>Find next occurrence of '<b>%1</b>'?</qt>"</span>).arg(pattern), <span class="keyword">this</span> ) );
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="keyword">struct </span>KFind::Private
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060 Private() :
<a name="l00061"></a>00061 findDialog(0),
<a name="l00062"></a>00062 patternChanged(false),
<a name="l00063"></a>00063 matchedPattern(<span class="stringliteral">""</span>),
<a name="l00064"></a>00064 incrementalPath(29, true),
<a name="l00065"></a>00065 emptyMatch(0),
<a name="l00066"></a>00066 currentId(0),
<a name="l00067"></a>00067 customIds(false)
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 incrementalPath.setAutoDelete(<span class="keyword">true</span>);
<a name="l00070"></a>00070 data.setAutoDelete(<span class="keyword">true</span>);
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072
<a name="l00073"></a>00073 ~Private()
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 <span class="keyword">delete</span> emptyMatch;
<a name="l00076"></a>00076 emptyMatch = 0;
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keyword">struct </span><a class="code" href="classKFind.html#w2w1">Match</a>
<a name="l00080"></a>00080 {
<a name="l00081"></a>00081 <a class="code" href="classKFind.html#w2w1">Match</a>(<span class="keywordtype">int</span> dataId, <span class="keywordtype">int</span> <a class="code" href="classKFind.html#a18">index</a>, <span class="keywordtype">int</span> matchedLength) :
<a name="l00082"></a>00082 dataId(dataId),
<a name="l00083"></a>00083 index(index),
<a name="l00084"></a>00084 matchedLength(matchedLength)
<a name="l00085"></a>00085 { }
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="keywordtype">int</span> dataId;
<a name="l00088"></a>00088 <span class="keywordtype">int</span> <a class="code" href="classKFind.html#a18">index</a>;
<a name="l00089"></a>00089 <span class="keywordtype">int</span> matchedLength;
<a name="l00090"></a>00090 };
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keyword">struct </span>Data
<a name="l00093"></a>00093 {
<a name="l00094"></a>00094 Data() : id(-1), dirty(false) { }
<a name="l00095"></a>00095 Data(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &text, <span class="keywordtype">bool</span> dirty = <span class="keyword">false</span>) :
<a name="l00096"></a>00096 id(id),
<a name="l00097"></a>00097 text(text),
<a name="l00098"></a>00098 dirty(dirty)
<a name="l00099"></a>00099 { }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keywordtype">int</span> id;
<a name="l00102"></a>00102 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> text;
<a name="l00103"></a>00103 <span class="keywordtype">bool</span> dirty;
<a name="l00104"></a>00104 };
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <a class="codeRef" doxygen="qt.tag:" href="qguardedptr.html">QGuardedPtr<QWidget></a> findDialog;
<a name="l00107"></a>00107 <span class="keywordtype">bool</span> patternChanged;
<a name="l00108"></a>00108 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> matchedPattern;
<a name="l00109"></a>00109 <a class="codeRef" doxygen="qt.tag:" href="qdict.html">QDict<Match></a> incrementalPath;
<a name="l00110"></a>00110 <a class="code" href="classKFind.html#w2w1">Match</a> * emptyMatch;
<a name="l00111"></a>00111 <a class="codeRef" doxygen="qt.tag:" href="qptrvector.html">QPtrVector<Data></a> data;
<a name="l00112"></a>00112 <span class="keywordtype">int</span> currentId;
<a name="l00113"></a>00113 <span class="keywordtype">bool</span> customIds;
<a name="l00114"></a>00114 };
<a name="l00115"></a>00115
<a name="l00117"></a>00117
<a name="l00118"></a><a class="code" href="classKFind.html#a0">00118</a> <a class="code" href="classKFind.html#a0">KFind::KFind</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &pattern, <span class="keywordtype">long</span> <a class="code" href="classKFind.html#a7">options</a>, <a class="codeRef" doxygen="qt.tag:" href="qwidget.html">QWidget</a> *parent )
<a name="l00119"></a>00119 : <a class="codeRef" doxygen="qt.tag:" href="qobject.html">QObject</a>( parent )
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121 d = <span class="keyword">new</span> KFind::Private;
<a name="l00122"></a>00122 m_options = options;
<a name="l00123"></a>00123 init( pattern );
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125
<a name="l00126"></a><a class="code" href="classKFind.html#a1">00126</a> <a class="code" href="classKFind.html#a0">KFind::KFind</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &pattern, <span class="keywordtype">long</span> options, <a class="codeRef" doxygen="qt.tag:" href="qwidget.html">QWidget</a> *parent, <a class="codeRef" doxygen="qt.tag:" href="qwidget.html">QWidget</a> *findDialog )
<a name="l00127"></a>00127 : <a class="codeRef" doxygen="qt.tag:" href="qobject.html">QObject</a>( parent )
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 d = <span class="keyword">new</span> KFind::Private;
<a name="l00130"></a>00130 d->findDialog = findDialog;
<a name="l00131"></a>00131 m_options = options;
<a name="l00132"></a>00132 init( pattern );
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keywordtype">void</span> KFind::init( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& pattern )
<a name="l00136"></a>00136 {
<a name="l00137"></a>00137 m_matches = 0;
<a name="l00138"></a>00138 m_pattern = pattern;
<a name="l00139"></a>00139 m_dialog = 0;
<a name="l00140"></a>00140 m_dialogClosed = <span class="keyword">false</span>;
<a name="l00141"></a>00141 m_index = INDEX_NOMATCH;
<a name="l00142"></a>00142 m_lastResult = <a class="code" href="classKFind.html#w2w0">NoMatch</a>;
<a name="l00143"></a>00143 <span class="keywordflow">if</span> (m_options & <a class="code" href="classKFindDialog.html#w8w5">KFindDialog::RegularExpression</a>)
<a name="l00144"></a>00144 m_regExp = <span class="keyword">new</span> <a class="codeRef" doxygen="qt.tag:" href="qregexp.html">QRegExp</a>(pattern, m_options & <a class="code" href="classKFindDialog.html#w8w3">KFindDialog::CaseSensitive</a>);
<a name="l00145"></a>00145 <span class="keywordflow">else</span> {
<a name="l00146"></a>00146 m_regExp = 0;
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149
<a name="l00150"></a><a class="code" href="classKFind.html#a2">00150</a> <a class="code" href="classKFind.html#a2">KFind::~KFind</a>()
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152 <span class="keyword">delete</span> m_dialog;
<a name="l00153"></a>00153 <span class="keyword">delete</span> d;
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155
<a name="l00156"></a><a class="code" href="classKFind.html#a3">00156</a> <span class="keywordtype">bool</span> <a class="code" href="classKFind.html#a3">KFind::needData</a>()<span class="keyword"> const</span>
<a name="l00157"></a>00157 <span class="keyword"></span>{
<a name="l00158"></a>00158 <span class="comment">// always true when m_text is empty.</span>
<a name="l00159"></a>00159 <span class="keywordflow">if</span> (m_options & <a class="code" href="classKFindDialog.html#w8w4">KFindDialog::FindBackwards</a>)
<a name="l00160"></a>00160 <span class="comment">// m_index==-1 and m_lastResult==Match means we haven't answered nomatch yet</span>
<a name="l00161"></a>00161 <span class="comment">// This is important in the "replace with a prompt" case.</span>
<a name="l00162"></a>00162 <span class="keywordflow">return</span> ( m_index < 0 && m_lastResult != <a class="code" href="classKFind.html#w2w1">Match</a> );
<a name="l00163"></a>00163 <span class="keywordflow">else</span>
<a name="l00164"></a>00164 <span class="comment">// "index over length" test removed: we want to get a nomatch before we set data again</span>
<a name="l00165"></a>00165 <span class="comment">// This is important in the "replace with a prompt" case.</span>
<a name="l00166"></a>00166 <span class="keywordflow">return</span> m_index == INDEX_NOMATCH;
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168
<a name="l00169"></a><a class="code" href="classKFind.html#a4">00169</a> <span class="keywordtype">void</span> <a class="code" href="classKFind.html#a4">KFind::setData</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& data, <span class="keywordtype">int</span> startPos )
<a name="l00170"></a>00170 {
<a name="l00171"></a>00171 <a class="code" href="classKFind.html#a4">setData</a>( -1, data, startPos );
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a><a class="code" href="classKFind.html#a5">00174</a> <span class="keywordtype">void</span> <a class="code" href="classKFind.html#a4">KFind::setData</a>( <span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& data, <span class="keywordtype">int</span> startPos )
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176 <span class="comment">// cache the data for incremental find</span>
<a name="l00177"></a>00177 <span class="keywordflow">if</span> ( m_options & <a class="code" href="classKFindDialog.html#w8w6">KFindDialog::FindIncremental</a> )
<a name="l00178"></a>00178 {
<a name="l00179"></a>00179 <span class="keywordflow">if</span> ( <span class="keywordtype">id</span> != -1 )
<a name="l00180"></a>00180 d->customIds = <span class="keyword">true</span>;
<a name="l00181"></a>00181 <span class="keywordflow">else</span>
<a name="l00182"></a>00182 <span class="keywordtype">id</span> = d->currentId + 1;
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="keywordflow">if</span> ( <span class="keywordtype">id</span> >= (<span class="keywordtype">int</span>) d->data.size() )
<a name="l00185"></a>00185 d->data.resize( <span class="keywordtype">id</span> + 100 );
<a name="l00186"></a>00186
<a name="l00187"></a>00187 d->data.insert( <span class="keywordtype">id</span>, <span class="keyword">new</span> Private::Data(<span class="keywordtype">id</span>, data, <span class="keyword">true</span>) );
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="keywordflow">if</span> ( !(m_options & KFindDialog::FindIncremental) || <a class="code" href="classKFind.html#a3">needData</a>() )
<a name="l00191"></a>00191 {
<a name="l00192"></a>00192 m_text = data;
<a name="l00193"></a>00193
<a name="l00194"></a>00194 <span class="keywordflow">if</span> ( startPos != -1 )
<a name="l00195"></a>00195 m_index = startPos;
<a name="l00196"></a>00196 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (m_options & <a class="code" href="classKFindDialog.html#w8w4">KFindDialog::FindBackwards</a>)
<a name="l00197"></a>00197 m_index = m_text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>();
<a name="l00198"></a>00198 <span class="keywordflow">else</span>
<a name="l00199"></a>00199 m_index = 0;
<a name="l00200"></a>00200 <span class="preprocessor">#ifdef DEBUG_FIND</span>
<a name="l00201"></a>00201 <span class="preprocessor"></span> <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga6">kdDebug</a>() << <span class="stringliteral">"setData: '"</span> << m_text << <span class="stringliteral">"' m_index="</span> << m_index << <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga3">endl</a>;
<a name="l00202"></a>00202 <span class="preprocessor">#endif</span>
<a name="l00203"></a>00203 <span class="preprocessor"></span> Q_ASSERT( m_index != INDEX_NOMATCH );
<a name="l00204"></a>00204 m_lastResult = <a class="code" href="classKFind.html#w2w0">NoMatch</a>;
<a name="l00205"></a>00205
<a name="l00206"></a>00206 d->currentId = id;
<a name="l00207"></a>00207 }
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209
<a name="l00210"></a><a class="code" href="classKFind.html#a16">00210</a> <a class="codeRef" doxygen="kdeui.tag:../../kdeui/html/" href="../../kdeui/html/classKDialogBase.html">KDialogBase</a>* <a class="code" href="classKFind.html#a16">KFind::findNextDialog</a>( <span class="keywordtype">bool</span> create )
<a name="l00211"></a>00211 {
<a name="l00212"></a>00212 <span class="keywordflow">if</span> ( !m_dialog && create )
<a name="l00213"></a>00213 {
<a name="l00214"></a>00214 m_dialog = <span class="keyword">new</span> KFindNextDialog( m_pattern, <a class="code" href="classKFind.html#b0">parentWidget</a>() );
<a name="l00215"></a>00215 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#connect">connect</a>( m_dialog, SIGNAL( user1Clicked() ), <span class="keyword">this</span>, SLOT( <a class="code" href="classKFind.html#j0">slotFindNext</a>() ) );
<a name="l00216"></a>00216 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#connect">connect</a>( m_dialog, SIGNAL( finished() ), <span class="keyword">this</span>, SLOT( <a class="code" href="classKFind.html#j1">slotDialogClosed</a>() ) );
<a name="l00217"></a>00217 }
<a name="l00218"></a>00218 <span class="keywordflow">return</span> m_dialog;
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220
<a name="l00221"></a><a class="code" href="classKFind.html#a6">00221</a> <a class="code" href="classKFind.html#w2">KFind::Result</a> <a class="code" href="classKFind.html#a6">KFind::find</a>()
<a name="l00222"></a>00222 {
<a name="l00223"></a>00223 Q_ASSERT( m_index != INDEX_NOMATCH || d->patternChanged );
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <span class="keywordflow">if</span> ( m_lastResult == <a class="code" href="classKFind.html#w2w1">Match</a> && !d->patternChanged )
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227 <span class="comment">// Move on before looking for the next match, _if_ we just found a match</span>
<a name="l00228"></a>00228 <span class="keywordflow">if</span> (m_options & <a class="code" href="classKFindDialog.html#w8w4">KFindDialog::FindBackwards</a>) {
<a name="l00229"></a>00229 m_index--;
<a name="l00230"></a>00230 <span class="keywordflow">if</span> ( m_index == -1 ) <span class="comment">// don't call KFind::find with -1, it has a special meaning</span>
<a name="l00231"></a>00231 {
<a name="l00232"></a>00232 m_lastResult = <a class="code" href="classKFind.html#w2w0">NoMatch</a>;
<a name="l00233"></a>00233 <span class="keywordflow">return</span> <a class="code" href="classKFind.html#w2w0">NoMatch</a>;
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235 } <span class="keywordflow">else</span>
<a name="l00236"></a>00236 m_index++;
<a name="l00237"></a>00237 }
<a name="l00238"></a>00238 d->patternChanged = <span class="keyword">false</span>;
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="keywordflow">if</span> ( m_options & <a class="code" href="classKFindDialog.html#w8w6">KFindDialog::FindIncremental</a> )
<a name="l00241"></a>00241 {
<a name="l00242"></a>00242 <span class="comment">// if the current pattern is shorter than the matchedPattern we can</span>
<a name="l00243"></a>00243 <span class="comment">// probably look up the match in the incrementalPath</span>
<a name="l00244"></a>00244 <span class="keywordflow">if</span> ( m_pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>() < d->matchedPattern.length() )
<a name="l00245"></a>00245 {
<a name="l00246"></a>00246 Private::Match *match = m_pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isEmpty">isEmpty</a>() ? d->emptyMatch : d->incrementalPath[m_pattern];
<a name="l00247"></a>00247 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> previousPattern = d->matchedPattern;
<a name="l00248"></a>00248 d->matchedPattern = m_pattern;
<a name="l00249"></a>00249 <span class="keywordflow">if</span> ( match != 0 )
<a name="l00250"></a>00250 {
<a name="l00251"></a>00251 <span class="keywordtype">bool</span> clean = <span class="keyword">true</span>;
<a name="l00252"></a>00252
<a name="l00253"></a>00253 <span class="comment">// find the first result backwards on the path that isn't dirty</span>
<a name="l00254"></a>00254 <span class="keywordflow">while</span> ( d->data[match->dataId]->dirty == <span class="keyword">true</span> &&
<a name="l00255"></a>00255 !m_pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isEmpty">isEmpty</a>() )
<a name="l00256"></a>00256 {
<a name="l00257"></a>00257 m_pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#truncate">truncate</a>( m_pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>() - 1 );
<a name="l00258"></a>00258
<a name="l00259"></a>00259 match = d->incrementalPath[m_pattern];
<a name="l00260"></a>00260
<a name="l00261"></a>00261 clean = <span class="keyword">false</span>;
<a name="l00262"></a>00262 }
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <span class="comment">// remove all matches that lie after the current match</span>
<a name="l00265"></a>00265 <span class="keywordflow">while</span> ( m_pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>() < previousPattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>() )
<a name="l00266"></a>00266 {
<a name="l00267"></a>00267 d->incrementalPath.remove(previousPattern);
<a name="l00268"></a>00268 previousPattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#truncate">truncate</a>(previousPattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>() - 1);
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="comment">// set the current text, index, etc. to the found match</span>
<a name="l00272"></a>00272 m_text = d->data[match->dataId]->text;
<a name="l00273"></a>00273 m_index = match->index;
<a name="l00274"></a>00274 m_matchedLength = match->matchedLength;
<a name="l00275"></a>00275 d->currentId = match->dataId;
<a name="l00276"></a>00276
<a name="l00277"></a>00277 <span class="comment">// if the result is clean we can return it now</span>
<a name="l00278"></a>00278 <span class="keywordflow">if</span> ( clean )
<a name="l00279"></a>00279 {
<a name="l00280"></a>00280 <span class="keywordflow">if</span> ( d->customIds )
<a name="l00281"></a>00281 emit <a class="code" href="classKFind.html#l0">highlight</a>(d->currentId, m_index, m_matchedLength);
<a name="l00282"></a>00282 <span class="keywordflow">else</span>
<a name="l00283"></a>00283 emit <a class="code" href="classKFind.html#l0">highlight</a>(m_text, m_index, m_matchedLength);
<a name="l00284"></a>00284
<a name="l00285"></a>00285 m_lastResult = <a class="code" href="classKFind.html#w2w1">Match</a>;
<a name="l00286"></a>00286 d->matchedPattern = m_pattern;
<a name="l00287"></a>00287 <span class="keywordflow">return</span> <a class="code" href="classKFind.html#w2w1">Match</a>;
<a name="l00288"></a>00288 }
<a name="l00289"></a>00289 }
<a name="l00290"></a>00290 <span class="comment">// if we couldn't look up the match, the new pattern isn't a</span>
<a name="l00291"></a>00291 <span class="comment">// substring of the matchedPattern, so we start a new search</span>
<a name="l00292"></a>00292 <span class="keywordflow">else</span>
<a name="l00293"></a>00293 {
<a name="l00294"></a>00294 startNewIncrementalSearch();
<a name="l00295"></a>00295 }
<a name="l00296"></a>00296 }
<a name="l00297"></a>00297 <span class="comment">// if the new pattern is longer than the matchedPattern we might be</span>
<a name="l00298"></a>00298 <span class="comment">// able to proceed from the last search</span>
<a name="l00299"></a>00299 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( m_pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>() > d->matchedPattern.length() )
<a name="l00300"></a>00300 {
<a name="l00301"></a>00301 <span class="comment">// continue from the previous pattern</span>
<a name="l00302"></a>00302 <span class="keywordflow">if</span> ( m_pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#startsWith">startsWith</a>(d->matchedPattern) )
<a name="l00303"></a>00303 {
<a name="l00304"></a>00304 <span class="comment">// we can't proceed from the previous position if the previous</span>
<a name="l00305"></a>00305 <span class="comment">// position already failed</span>
<a name="l00306"></a>00306 <span class="keywordflow">if</span> ( m_index == INDEX_NOMATCH )
<a name="l00307"></a>00307 <span class="keywordflow">return</span> <a class="code" href="classKFind.html#w2w0">NoMatch</a>;
<a name="l00308"></a>00308
<a name="l00309"></a>00309 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> temp = m_pattern;
<a name="l00310"></a>00310 m_pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#truncate">truncate</a>(d->matchedPattern.length() + 1);
<a name="l00311"></a>00311 d->matchedPattern = temp;
<a name="l00312"></a>00312 }
<a name="l00313"></a>00313 <span class="comment">// start a new search</span>
<a name="l00314"></a>00314 <span class="keywordflow">else</span>
<a name="l00315"></a>00315 {
<a name="l00316"></a>00316 startNewIncrementalSearch();
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318 }
<a name="l00319"></a>00319 <span class="comment">// if the new pattern is as long as the matchedPattern, we reset if</span>
<a name="l00320"></a>00320 <span class="comment">// they are not equal</span>
<a name="l00321"></a>00321 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( m_pattern != d->matchedPattern )
<a name="l00322"></a>00322 {
<a name="l00323"></a>00323 startNewIncrementalSearch();
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325 }
<a name="l00326"></a>00326
<a name="l00327"></a>00327 <span class="preprocessor">#ifdef DEBUG_FIND</span>
<a name="l00328"></a>00328 <span class="preprocessor"></span> <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga6">kdDebug</a>() << <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga14">k_funcinfo</a> << <span class="stringliteral">"m_index="</span> << m_index << <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga3">endl</a>;
<a name="l00329"></a>00329 <span class="preprocessor">#endif</span>
<a name="l00330"></a>00330 <span class="preprocessor"></span> <span class="keywordflow">do</span>
<a name="l00331"></a>00331 {
<a name="l00332"></a>00332 <span class="comment">// if we have multiple data blocks in our cache, walk through these</span>
<a name="l00333"></a>00333 <span class="comment">// blocks till we either searched all blocks or we find a match</span>
<a name="l00334"></a>00334 <span class="keywordflow">do</span>
<a name="l00335"></a>00335 {
<a name="l00336"></a>00336 <span class="comment">// Find the next candidate match.</span>
<a name="l00337"></a>00337 <span class="keywordflow">if</span> ( m_options & <a class="code" href="classKFindDialog.html#w8w5">KFindDialog::RegularExpression</a> )
<a name="l00338"></a>00338 m_index = <a class="code" href="classKFind.html#a6">KFind::find</a>(m_text, *m_regExp, m_index, m_options, &m_matchedLength);
<a name="l00339"></a>00339 <span class="keywordflow">else</span>
<a name="l00340"></a>00340 m_index = <a class="code" href="classKFind.html#a6">KFind::find</a>(m_text, m_pattern, m_index, m_options, &m_matchedLength);
<a name="l00341"></a>00341
<a name="l00342"></a>00342 <span class="keywordflow">if</span> ( m_options & KFindDialog::FindIncremental )
<a name="l00343"></a>00343 d->data[d->currentId]->dirty = <span class="keyword">false</span>;
<a name="l00344"></a>00344
<a name="l00345"></a>00345 <span class="keywordflow">if</span> ( m_index == -1 && d->currentId < (<span class="keywordtype">int</span>) d->data.count() - 1 )
<a name="l00346"></a>00346 {
<a name="l00347"></a>00347 m_text = d->data[++d->currentId]->text;
<a name="l00348"></a>00348
<a name="l00349"></a>00349 <span class="keywordflow">if</span> ( m_options & <a class="code" href="classKFindDialog.html#w8w4">KFindDialog::FindBackwards</a> )
<a name="l00350"></a>00350 m_index = m_text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>();
<a name="l00351"></a>00351 <span class="keywordflow">else</span>
<a name="l00352"></a>00352 m_index = 0;
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354 <span class="keywordflow">else</span>
<a name="l00355"></a>00355 <span class="keywordflow">break</span>;
<a name="l00356"></a>00356 } <span class="keywordflow">while</span> ( !(m_options & <a class="code" href="classKFindDialog.html#w8w5">KFindDialog::RegularExpression</a>) );
<a name="l00357"></a>00357
<a name="l00358"></a>00358 <span class="keywordflow">if</span> ( m_index != -1 )
<a name="l00359"></a>00359 {
<a name="l00360"></a>00360 <span class="comment">// Flexibility: the app can add more rules to validate a possible match</span>
<a name="l00361"></a>00361 <span class="keywordflow">if</span> ( <a class="code" href="classKFind.html#a13">validateMatch</a>( m_text, m_index, m_matchedLength ) )
<a name="l00362"></a>00362 {
<a name="l00363"></a>00363 <span class="keywordtype">bool</span> done = <span class="keyword">true</span>;
<a name="l00364"></a>00364
<a name="l00365"></a>00365 <span class="keywordflow">if</span> ( m_options & KFindDialog::FindIncremental )
<a name="l00366"></a>00366 {
<a name="l00367"></a>00367 <span class="keywordflow">if</span> ( m_pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isEmpty">isEmpty</a>() ) {
<a name="l00368"></a>00368 <span class="keyword">delete</span> d->emptyMatch;
<a name="l00369"></a>00369 d->emptyMatch = <span class="keyword">new</span> Private::Match( d->currentId, m_index, m_matchedLength );
<a name="l00370"></a>00370 } <span class="keywordflow">else</span>
<a name="l00371"></a>00371 d->incrementalPath.replace(m_pattern, <span class="keyword">new</span> Private::Match(d->currentId, m_index, m_matchedLength));
<a name="l00372"></a>00372
<a name="l00373"></a>00373 <span class="keywordflow">if</span> ( m_pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>() < d->matchedPattern.length() )
<a name="l00374"></a>00374 {
<a name="l00375"></a>00375 m_pattern += d->matchedPattern.mid(m_pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>(), 1);
<a name="l00376"></a>00376 done = <span class="keyword">false</span>;
<a name="l00377"></a>00377 }
<a name="l00378"></a>00378 }
<a name="l00379"></a>00379
<a name="l00380"></a>00380 <span class="keywordflow">if</span> ( done )
<a name="l00381"></a>00381 {
<a name="l00382"></a>00382 m_matches++;
<a name="l00383"></a>00383 <span class="comment">// Tell the world about the match we found, in case someone wants to</span>
<a name="l00384"></a>00384 <span class="comment">// highlight it.</span>
<a name="l00385"></a>00385 <span class="keywordflow">if</span> ( d->customIds )
<a name="l00386"></a>00386 emit <a class="code" href="classKFind.html#l0">highlight</a>(d->currentId, m_index, m_matchedLength);
<a name="l00387"></a>00387 <span class="keywordflow">else</span>
<a name="l00388"></a>00388 emit <a class="code" href="classKFind.html#l0">highlight</a>(m_text, m_index, m_matchedLength);
<a name="l00389"></a>00389
<a name="l00390"></a>00390 <span class="keywordflow">if</span> ( !m_dialogClosed )
<a name="l00391"></a>00391 <a class="code" href="classKFind.html#a16">findNextDialog</a>(<span class="keyword">true</span>)-><a class="codeRef" doxygen="qt.tag:" href="qdialog.html#show">show</a>();
<a name="l00392"></a>00392
<a name="l00393"></a>00393 <span class="preprocessor">#ifdef DEBUG_FIND</span>
<a name="l00394"></a>00394 <span class="preprocessor"></span> <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga6">kdDebug</a>() << <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga14">k_funcinfo</a> << <span class="stringliteral">"Match. Next m_index="</span> << m_index << endl;
<a name="l00395"></a>00395 <span class="preprocessor">#endif</span>
<a name="l00396"></a>00396 <span class="preprocessor"></span> m_lastResult = <a class="code" href="classKFind.html#w2w1">Match</a>;
<a name="l00397"></a>00397 <span class="keywordflow">return</span> <a class="code" href="classKFind.html#w2w1">Match</a>;
<a name="l00398"></a>00398 }
<a name="l00399"></a>00399 }
<a name="l00400"></a>00400 <span class="keywordflow">else</span> <span class="comment">// Skip match</span>
<a name="l00401"></a>00401 {
<a name="l00402"></a>00402 <span class="keywordflow">if</span> (m_options & <a class="code" href="classKFindDialog.html#w8w4">KFindDialog::FindBackwards</a>)
<a name="l00403"></a>00403 m_index--;
<a name="l00404"></a>00404 <span class="keywordflow">else</span>
<a name="l00405"></a>00405 m_index++;
<a name="l00406"></a>00406 }
<a name="l00407"></a>00407 }
<a name="l00408"></a>00408 <span class="keywordflow">else</span>
<a name="l00409"></a>00409 {
<a name="l00410"></a>00410 <span class="keywordflow">if</span> ( m_options & KFindDialog::FindIncremental )
<a name="l00411"></a>00411 {
<a name="l00412"></a>00412 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> temp = m_pattern;
<a name="l00413"></a>00413 temp.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#truncate">truncate</a>(temp.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>() - 1);
<a name="l00414"></a>00414 m_pattern = d->matchedPattern;
<a name="l00415"></a>00415 d->matchedPattern = temp;
<a name="l00416"></a>00416 }
<a name="l00417"></a>00417
<a name="l00418"></a>00418 m_index = INDEX_NOMATCH;
<a name="l00419"></a>00419 }
<a name="l00420"></a>00420 }
<a name="l00421"></a>00421 <span class="keywordflow">while</span> (m_index != INDEX_NOMATCH);
<a name="l00422"></a>00422
<a name="l00423"></a>00423 <span class="preprocessor">#ifdef DEBUG_FIND</span>
<a name="l00424"></a>00424 <span class="preprocessor"></span> <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga6">kdDebug</a>() << <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gga14">k_funcinfo</a> << <span class="stringliteral">"NoMatch. m_index="</span> << m_index << endl;
<a name="l00425"></a>00425 <span class="preprocessor">#endif</span>
<a name="l00426"></a>00426 <span class="preprocessor"></span> m_lastResult = <a class="code" href="classKFind.html#w2w0">NoMatch</a>;
<a name="l00427"></a>00427 <span class="keywordflow">return</span> <a class="code" href="classKFind.html#w2w0">NoMatch</a>;
<a name="l00428"></a>00428 }
<a name="l00429"></a>00429
<a name="l00430"></a>00430 <span class="keywordtype">void</span> KFind::startNewIncrementalSearch()
<a name="l00431"></a>00431 {
<a name="l00432"></a>00432 Private::Match *match = d->emptyMatch;
<a name="l00433"></a>00433 <span class="keywordflow">if</span>(match == 0)
<a name="l00434"></a>00434 {
<a name="l00435"></a>00435 m_text = QString::null;
<a name="l00436"></a>00436 m_index = 0;
<a name="l00437"></a>00437 d->currentId = 0;
<a name="l00438"></a>00438 }
<a name="l00439"></a>00439 <span class="keywordflow">else</span>
<a name="l00440"></a>00440 {
<a name="l00441"></a>00441 m_text = d->data[match->dataId]->text;
<a name="l00442"></a>00442 m_index = match->index;
<a name="l00443"></a>00443 d->currentId = match->dataId;
<a name="l00444"></a>00444 }
<a name="l00445"></a>00445 m_matchedLength = 0;
<a name="l00446"></a>00446 d->incrementalPath.clear();
<a name="l00447"></a>00447 <span class="keyword">delete</span> d->emptyMatch;
<a name="l00448"></a>00448 d->emptyMatch = 0;
<a name="l00449"></a>00449 d->matchedPattern = m_pattern;
<a name="l00450"></a>00450 m_pattern = QString::null;
<a name="l00451"></a>00451 }
<a name="l00452"></a>00452
<a name="l00453"></a>00453 <span class="comment">// static</span>
<a name="l00454"></a><a class="code" href="classKFind.html#e0">00454</a> <span class="keywordtype">int</span> <a class="code" href="classKFind.html#a6">KFind::find</a>(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &text, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &pattern, <span class="keywordtype">int</span> index, <span class="keywordtype">long</span> options, <span class="keywordtype">int</span> *matchedLength)
<a name="l00455"></a>00455 {
<a name="l00456"></a>00456 <span class="comment">// Handle regular expressions in the appropriate way.</span>
<a name="l00457"></a>00457 <span class="keywordflow">if</span> (options & <a class="code" href="classKFindDialog.html#w8w5">KFindDialog::RegularExpression</a>)
<a name="l00458"></a>00458 {
<a name="l00459"></a>00459 <a class="codeRef" doxygen="qt.tag:" href="qregexp.html">QRegExp</a> regExp(pattern, options & <a class="code" href="classKFindDialog.html#w8w3">KFindDialog::CaseSensitive</a>);
<a name="l00460"></a>00460
<a name="l00461"></a>00461 <span class="keywordflow">return</span> <a class="code" href="classKFind.html#a6">find</a>(text, regExp, index, options, matchedLength);
<a name="l00462"></a>00462 }
<a name="l00463"></a>00463
<a name="l00464"></a>00464 <span class="keywordtype">bool</span> caseSensitive = (options & <a class="code" href="classKFindDialog.html#w8w3">KFindDialog::CaseSensitive</a>);
<a name="l00465"></a>00465
<a name="l00466"></a>00466 <span class="keywordflow">if</span> (options & <a class="code" href="classKFindDialog.html#w8w0">KFindDialog::WholeWordsOnly</a>)
<a name="l00467"></a>00467 {
<a name="l00468"></a>00468 <span class="keywordflow">if</span> (options & <a class="code" href="classKFindDialog.html#w8w4">KFindDialog::FindBackwards</a>)
<a name="l00469"></a>00469 {
<a name="l00470"></a>00470 <span class="comment">// Backward search, until the beginning of the line...</span>
<a name="l00471"></a>00471 <span class="keywordflow">while</span> (index >= 0)
<a name="l00472"></a>00472 {
<a name="l00473"></a>00473 <span class="comment">// ...find the next match.</span>
<a name="l00474"></a>00474 index = text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#findRev">findRev</a>(pattern, index, caseSensitive);
<a name="l00475"></a>00475 <span class="keywordflow">if</span> (index == -1)
<a name="l00476"></a>00476 <span class="keywordflow">break</span>;
<a name="l00477"></a>00477
<a name="l00478"></a>00478 <span class="comment">// Is the match delimited correctly?</span>
<a name="l00479"></a>00479 *matchedLength = pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>();
<a name="l00480"></a>00480 <span class="keywordflow">if</span> (isWholeWords(text, index, *matchedLength))
<a name="l00481"></a>00481 <span class="keywordflow">break</span>;
<a name="l00482"></a>00482 index--;
<a name="l00483"></a>00483 }
<a name="l00484"></a>00484 }
<a name="l00485"></a>00485 <span class="keywordflow">else</span>
<a name="l00486"></a>00486 {
<a name="l00487"></a>00487 <span class="comment">// Forward search, until the end of the line...</span>
<a name="l00488"></a>00488 <span class="keywordflow">while</span> (index < (<span class="keywordtype">int</span>)text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>())
<a name="l00489"></a>00489 {
<a name="l00490"></a>00490 <span class="comment">// ...find the next match.</span>
<a name="l00491"></a>00491 index = text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#find">find</a>(pattern, index, caseSensitive);
<a name="l00492"></a>00492 <span class="keywordflow">if</span> (index == -1)
<a name="l00493"></a>00493 <span class="keywordflow">break</span>;
<a name="l00494"></a>00494
<a name="l00495"></a>00495 <span class="comment">// Is the match delimited correctly?</span>
<a name="l00496"></a>00496 *matchedLength = pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>();
<a name="l00497"></a>00497 <span class="keywordflow">if</span> (isWholeWords(text, index, *matchedLength))
<a name="l00498"></a>00498 <span class="keywordflow">break</span>;
<a name="l00499"></a>00499 index++;
<a name="l00500"></a>00500 }
<a name="l00501"></a>00501 <span class="keywordflow">if</span> (index >= (<span class="keywordtype">int</span>)text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>()) <span class="comment">// end of line</span>
<a name="l00502"></a>00502 index = -1; <span class="comment">// not found</span>
<a name="l00503"></a>00503 }
<a name="l00504"></a>00504 }
<a name="l00505"></a>00505 <span class="keywordflow">else</span>
<a name="l00506"></a>00506 {
<a name="l00507"></a>00507 <span class="comment">// Non-whole-word search.</span>
<a name="l00508"></a>00508 <span class="keywordflow">if</span> (options & <a class="code" href="classKFindDialog.html#w8w4">KFindDialog::FindBackwards</a>)
<a name="l00509"></a>00509 {
<a name="l00510"></a>00510 index = text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#findRev">findRev</a>(pattern, index, caseSensitive);
<a name="l00511"></a>00511 }
<a name="l00512"></a>00512 <span class="keywordflow">else</span>
<a name="l00513"></a>00513 {
<a name="l00514"></a>00514 index = text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#find">find</a>(pattern, index, caseSensitive);
<a name="l00515"></a>00515 }
<a name="l00516"></a>00516 <span class="keywordflow">if</span> (index != -1)
<a name="l00517"></a>00517 {
<a name="l00518"></a>00518 *matchedLength = pattern.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>();
<a name="l00519"></a>00519 }
<a name="l00520"></a>00520 }
<a name="l00521"></a>00521 <span class="keywordflow">return</span> index;
<a name="l00522"></a>00522 }
<a name="l00523"></a>00523
<a name="l00524"></a>00524 <span class="comment">// static</span>
<a name="l00525"></a><a class="code" href="classKFind.html#e1">00525</a> <span class="keywordtype">int</span> <a class="code" href="classKFind.html#a6">KFind::find</a>(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &text, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qregexp.html">QRegExp</a> &pattern, <span class="keywordtype">int</span> index, <span class="keywordtype">long</span> options, <span class="keywordtype">int</span> *matchedLength)
<a name="l00526"></a>00526 {
<a name="l00527"></a>00527 <span class="keywordflow">if</span> (options & <a class="code" href="classKFindDialog.html#w8w0">KFindDialog::WholeWordsOnly</a>)
<a name="l00528"></a>00528 {
<a name="l00529"></a>00529 <span class="keywordflow">if</span> (options & <a class="code" href="classKFindDialog.html#w8w4">KFindDialog::FindBackwards</a>)
<a name="l00530"></a>00530 {
<a name="l00531"></a>00531 <span class="comment">// Backward search, until the beginning of the line...</span>
<a name="l00532"></a>00532 <span class="keywordflow">while</span> (index >= 0)
<a name="l00533"></a>00533 {
<a name="l00534"></a>00534 <span class="comment">// ...find the next match.</span>
<a name="l00535"></a>00535 index = text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#findRev">findRev</a>(pattern, index);
<a name="l00536"></a>00536 <span class="keywordflow">if</span> (index == -1)
<a name="l00537"></a>00537 <span class="keywordflow">break</span>;
<a name="l00538"></a>00538
<a name="l00539"></a>00539 <span class="comment">// Is the match delimited correctly?</span>
<a name="l00540"></a>00540 <span class="comment">//pattern.match(text, index, matchedLength, false);</span>
<a name="l00541"></a>00541 <span class="comment">/*int pos =*/</span> pattern.<a class="codeRef" doxygen="qt.tag:" href="qregexp.html#search">search</a>( text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#mid">mid</a>(index) );
<a name="l00542"></a>00542 *matchedLength = pattern.<a class="codeRef" doxygen="qt.tag:" href="qregexp.html#matchedLength">matchedLength</a>();
<a name="l00543"></a>00543 <span class="keywordflow">if</span> (isWholeWords(text, index, *matchedLength))
<a name="l00544"></a>00544 <span class="keywordflow">break</span>;
<a name="l00545"></a>00545 index--;
<a name="l00546"></a>00546 }
<a name="l00547"></a>00547 }
<a name="l00548"></a>00548 <span class="keywordflow">else</span>
<a name="l00549"></a>00549 {
<a name="l00550"></a>00550 <span class="comment">// Forward search, until the end of the line...</span>
<a name="l00551"></a>00551 <span class="keywordflow">while</span> (index < (<span class="keywordtype">int</span>)text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>())
<a name="l00552"></a>00552 {
<a name="l00553"></a>00553 <span class="comment">// ...find the next match.</span>
<a name="l00554"></a>00554 index = text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#find">find</a>(pattern, index);
<a name="l00555"></a>00555 <span class="keywordflow">if</span> (index == -1)
<a name="l00556"></a>00556 <span class="keywordflow">break</span>;
<a name="l00557"></a>00557
<a name="l00558"></a>00558 <span class="comment">// Is the match delimited correctly?</span>
<a name="l00559"></a>00559 <span class="comment">//pattern.match(text, index, matchedLength, false);</span>
<a name="l00560"></a>00560 <span class="comment">/*int pos =*/</span> pattern.<a class="codeRef" doxygen="qt.tag:" href="qregexp.html#search">search</a>( text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#mid">mid</a>(index) );
<a name="l00561"></a>00561 *matchedLength = pattern.<a class="codeRef" doxygen="qt.tag:" href="qregexp.html#matchedLength">matchedLength</a>();
<a name="l00562"></a>00562 <span class="keywordflow">if</span> (isWholeWords(text, index, *matchedLength))
<a name="l00563"></a>00563 <span class="keywordflow">break</span>;
<a name="l00564"></a>00564 index++;
<a name="l00565"></a>00565 }
<a name="l00566"></a>00566 <span class="keywordflow">if</span> (index >= (<span class="keywordtype">int</span>)text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>()) <span class="comment">// end of line</span>
<a name="l00567"></a>00567 index = -1; <span class="comment">// not found</span>
<a name="l00568"></a>00568 }
<a name="l00569"></a>00569 }
<a name="l00570"></a>00570 <span class="keywordflow">else</span>
<a name="l00571"></a>00571 {
<a name="l00572"></a>00572 <span class="comment">// Non-whole-word search.</span>
<a name="l00573"></a>00573 <span class="keywordflow">if</span> (options & <a class="code" href="classKFindDialog.html#w8w4">KFindDialog::FindBackwards</a>)
<a name="l00574"></a>00574 {
<a name="l00575"></a>00575 index = text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#findRev">findRev</a>(pattern, index);
<a name="l00576"></a>00576 }
<a name="l00577"></a>00577 <span class="keywordflow">else</span>
<a name="l00578"></a>00578 {
<a name="l00579"></a>00579 index = text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#find">find</a>(pattern, index);
<a name="l00580"></a>00580 }
<a name="l00581"></a>00581 <span class="keywordflow">if</span> (index != -1)
<a name="l00582"></a>00582 {
<a name="l00583"></a>00583 <span class="comment">//pattern.match(text, index, matchedLength, false);</span>
<a name="l00584"></a>00584 <span class="comment">/*int pos =*/</span> pattern.<a class="codeRef" doxygen="qt.tag:" href="qregexp.html#search">search</a>( text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#mid">mid</a>(index) );
<a name="l00585"></a>00585 *matchedLength = pattern.<a class="codeRef" doxygen="qt.tag:" href="qregexp.html#matchedLength">matchedLength</a>();
<a name="l00586"></a>00586 }
<a name="l00587"></a>00587 }
<a name="l00588"></a>00588 <span class="keywordflow">return</span> index;
<a name="l00589"></a>00589 }
<a name="l00590"></a>00590
<a name="l00591"></a>00591 <span class="keywordtype">bool</span> KFind::isInWord(<a class="codeRef" doxygen="qt.tag:" href="qchar.html">QChar</a> ch)
<a name="l00592"></a>00592 {
<a name="l00593"></a>00593 <span class="keywordflow">return</span> ch.<a class="codeRef" doxygen="qt.tag:" href="qchar.html#isLetter">isLetter</a>() || ch.<a class="codeRef" doxygen="qt.tag:" href="qchar.html#isDigit">isDigit</a>() || ch == <span class="charliteral">'_'</span>;
<a name="l00594"></a>00594 }
<a name="l00595"></a>00595
<a name="l00596"></a>00596 <span class="keywordtype">bool</span> KFind::isWholeWords(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &text, <span class="keywordtype">int</span> starts, <span class="keywordtype">int</span> matchedLength)
<a name="l00597"></a>00597 {
<a name="l00598"></a>00598 <span class="keywordflow">if</span> ((starts == 0) || (!isInWord(text[starts - 1])))
<a name="l00599"></a>00599 {
<a name="l00600"></a>00600 <span class="keywordtype">int</span> ends = starts + matchedLength;
<a name="l00601"></a>00601
<a name="l00602"></a>00602 <span class="keywordflow">if</span> ((ends == (<span class="keywordtype">int</span>)text.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>()) || (!isInWord(text[ends])))
<a name="l00603"></a>00603 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00604"></a>00604 }
<a name="l00605"></a>00605 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00606"></a>00606 }
<a name="l00607"></a>00607
<a name="l00608"></a><a class="code" href="classKFind.html#j0">00608</a> <span class="keywordtype">void</span> <a class="code" href="classKFind.html#j0">KFind::slotFindNext</a>()
<a name="l00609"></a>00609 {
<a name="l00610"></a>00610 emit findNext();
<a name="l00611"></a>00611 }
<a name="l00612"></a>00612
<a name="l00613"></a><a class="code" href="classKFind.html#j1">00613</a> <span class="keywordtype">void</span> <a class="code" href="classKFind.html#j1">KFind::slotDialogClosed</a>()
<a name="l00614"></a>00614 {
<a name="l00615"></a>00615 emit <a class="code" href="classKFind.html#l4">dialogClosed</a>();
<a name="l00616"></a>00616 m_dialogClosed = <span class="keyword">true</span>;
<a name="l00617"></a>00617 }
<a name="l00618"></a>00618
<a name="l00619"></a><a class="code" href="classKFind.html#a15">00619</a> <span class="keywordtype">void</span> <a class="code" href="classKFind.html#a15">KFind::displayFinalDialog</a>()<span class="keyword"> const</span>
<a name="l00620"></a>00620 <span class="keyword"></span>{
<a name="l00621"></a>00621 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> message;
<a name="l00622"></a>00622 <span class="keywordflow">if</span> ( <a class="code" href="classKFind.html#a11">numMatches</a>() )
<a name="l00623"></a>00623 message = i18n( <span class="stringliteral">"1 match found."</span>, <span class="stringliteral">"%n matches found."</span>, <a class="code" href="classKFind.html#a11">numMatches</a>() );
<a name="l00624"></a>00624 <span class="keywordflow">else</span>
<a name="l00625"></a>00625 message = i18n(<span class="stringliteral">"<qt>No matches found for '<b>%1</b>'.</qt>"</span>).<a class="codeRef" doxygen="qt.tag:" href="qstring.html#arg">arg</a>(<a class="codeRef" doxygen="qt.tag:" href="qstylesheet.html#escape">QStyleSheet::escape</a>(m_pattern));
<a name="l00626"></a>00626 <a class="codeRef" doxygen="kdeui.tag:../../kdeui/html/" href="../../kdeui/html/classKMessageBox.html#e30">KMessageBox::information</a>(<a class="code" href="classKFind.html#b1">dialogsParent</a>(), message);
<a name="l00627"></a>00627 }
<a name="l00628"></a>00628
<a name="l00629"></a><a class="code" href="classKFind.html#a14">00629</a> <span class="keywordtype">bool</span> <a class="code" href="classKFind.html#a14">KFind::shouldRestart</a>( <span class="keywordtype">bool</span> forceAsking, <span class="keywordtype">bool</span> showNumMatches )<span class="keyword"> const</span>
<a name="l00630"></a>00630 <span class="keyword"></span>{
<a name="l00631"></a>00631 <span class="comment">// Only ask if we did a "find from cursor", otherwise it's pointless.</span>
<a name="l00632"></a>00632 <span class="comment">// Well, unless the user can modify the document during a search operation,</span>
<a name="l00633"></a>00633 <span class="comment">// hence the force boolean.</span>
<a name="l00634"></a>00634 <span class="keywordflow">if</span> ( !forceAsking && (m_options & <a class="code" href="classKFindDialog.html#w8w1">KFindDialog::FromCursor</a>) == 0 )
<a name="l00635"></a>00635 {
<a name="l00636"></a>00636 <a class="code" href="classKFind.html#a15">displayFinalDialog</a>();
<a name="l00637"></a>00637 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00638"></a>00638 }
<a name="l00639"></a>00639 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> message;
<a name="l00640"></a>00640 <span class="keywordflow">if</span> ( showNumMatches )
<a name="l00641"></a>00641 {
<a name="l00642"></a>00642 <span class="keywordflow">if</span> ( <a class="code" href="classKFind.html#a11">numMatches</a>() )
<a name="l00643"></a>00643 message = i18n( <span class="stringliteral">"1 match found."</span>, <span class="stringliteral">"%n matches found."</span>, <a class="code" href="classKFind.html#a11">numMatches</a>() );
<a name="l00644"></a>00644 <span class="keywordflow">else</span>
<a name="l00645"></a>00645 message = i18n(<span class="stringliteral">"No matches found for '<b>%1</b>'."</span>).<a class="codeRef" doxygen="qt.tag:" href="qstring.html#arg">arg</a>(<a class="codeRef" doxygen="qt.tag:" href="qstylesheet.html#escape">QStyleSheet::escape</a>(m_pattern));
<a name="l00646"></a>00646 }
<a name="l00647"></a>00647 <span class="keywordflow">else</span>
<a name="l00648"></a>00648 {
<a name="l00649"></a>00649 <span class="keywordflow">if</span> ( m_options & <a class="code" href="classKFindDialog.html#w8w4">KFindDialog::FindBackwards</a> )
<a name="l00650"></a>00650 message = i18n( <span class="stringliteral">"Beginning of document reached."</span> );
<a name="l00651"></a>00651 <span class="keywordflow">else</span>
<a name="l00652"></a>00652 message = i18n( <span class="stringliteral">"End of document reached."</span> );
<a name="l00653"></a>00653 }
<a name="l00654"></a>00654
<a name="l00655"></a>00655 message += <span class="stringliteral">"<br><br>"</span>; <span class="comment">// can't be in the i18n() of the first if() because of the plural form.</span>
<a name="l00656"></a>00656 <span class="comment">// Hope this word puzzle is ok, it's a different sentence</span>
<a name="l00657"></a>00657 message +=
<a name="l00658"></a>00658 ( m_options & <a class="code" href="classKFindDialog.html#w8w4">KFindDialog::FindBackwards</a> ) ?
<a name="l00659"></a>00659 i18n(<span class="stringliteral">"Continue from the end?"</span>)
<a name="l00660"></a>00660 : i18n(<span class="stringliteral">"Continue from the beginning?"</span>);
<a name="l00661"></a>00661
<a name="l00662"></a>00662 <span class="keywordtype">int</span> ret = <a class="codeRef" doxygen="kdeui.tag:../../kdeui/html/" href="../../kdeui/html/classKMessageBox.html#e0">KMessageBox::questionYesNo</a>( <a class="code" href="classKFind.html#b1">dialogsParent</a>(), <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>(<span class="stringliteral">"<qt>"</span>)+message+<a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>(<span class="stringliteral">"</qt>"</span>),
<a name="l00663"></a>00663 QString::null, <a class="codeRef" doxygen="kdeui.tag:../../kdeui/html/" href="../../kdeui/html/classKStdGuiItem.html#e21">KStdGuiItem::cont</a>(), <a class="codeRef" doxygen="kdeui.tag:../../kdeui/html/" href="../../kdeui/html/classKStdGuiItem.html#e30">KStdGuiItem::stop</a>() );
<a name="l00664"></a>00664 <span class="keywordtype">bool</span> yes = ( ret == KMessageBox::Yes );
<a name="l00665"></a>00665 <span class="keywordflow">if</span> ( yes )
<a name="l00666"></a>00666 const_cast<KFind*>(<span class="keyword">this</span>)->m_options &= ~<a class="code" href="classKFindDialog.html">KFindDialog</a>::FromCursor; <span class="comment">// clear FromCursor option</span>
<a name="l00667"></a>00667 <span class="keywordflow">return</span> yes;
<a name="l00668"></a>00668 }
<a name="l00669"></a>00669
<a name="l00670"></a><a class="code" href="classKFind.html#a8">00670</a> <span class="keywordtype">void</span> <a class="code" href="classKFind.html#a8">KFind::setOptions</a>( <span class="keywordtype">long</span> options )
<a name="l00671"></a>00671 {
<a name="l00672"></a>00672 m_options = options;
<a name="l00673"></a>00673
<a name="l00674"></a>00674 <span class="keyword">delete</span> m_regExp;
<a name="l00675"></a>00675 <span class="keywordflow">if</span> (m_options & <a class="code" href="classKFindDialog.html#w8w5">KFindDialog::RegularExpression</a>)
<a name="l00676"></a>00676 m_regExp = <span class="keyword">new</span> <a class="codeRef" doxygen="qt.tag:" href="qregexp.html">QRegExp</a>(m_pattern, m_options & <a class="code" href="classKFindDialog.html#w8w3">KFindDialog::CaseSensitive</a>);
<a name="l00677"></a>00677 <span class="keywordflow">else</span>
<a name="l00678"></a>00678 m_regExp = 0;
<a name="l00679"></a>00679 }
<a name="l00680"></a>00680
<a name="l00681"></a><a class="code" href="classKFind.html#a17">00681</a> <span class="keywordtype">void</span> <a class="code" href="classKFind.html#a17">KFind::closeFindNextDialog</a>()
<a name="l00682"></a>00682 {
<a name="l00683"></a>00683 <span class="keyword">delete</span> m_dialog;
<a name="l00684"></a>00684 m_dialog = 0L;
<a name="l00685"></a>00685 m_dialogClosed = <span class="keyword">true</span>;
<a name="l00686"></a>00686 }
<a name="l00687"></a>00687
<a name="l00688"></a><a class="code" href="classKFind.html#a18">00688</a> <span class="keywordtype">int</span> <a class="code" href="classKFind.html#a18">KFind::index</a>()<span class="keyword"> const</span>
<a name="l00689"></a>00689 <span class="keyword"></span>{
<a name="l00690"></a>00690 <span class="keywordflow">return</span> m_index;
<a name="l00691"></a>00691 }
<a name="l00692"></a>00692
<a name="l00693"></a><a class="code" href="classKFind.html#a10">00693</a> <span class="keywordtype">void</span> <a class="code" href="classKFind.html#a10">KFind::setPattern</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& pattern )
<a name="l00694"></a>00694 {
<a name="l00695"></a>00695 <span class="keywordflow">if</span> ( m_options & <a class="code" href="classKFindDialog.html#w8w6">KFindDialog::FindIncremental</a> && m_pattern != pattern )
<a name="l00696"></a>00696 d->patternChanged = <span class="keyword">true</span>;
<a name="l00697"></a>00697
<a name="l00698"></a>00698 m_pattern = pattern;
<a name="l00699"></a>00699 <a class="code" href="classKFind.html#a8">setOptions</a>( <a class="code" href="classKFind.html#a7">options</a>() ); <span class="comment">// rebuild m_regExp if necessary</span>
<a name="l00700"></a>00700 }
<a name="l00701"></a>00701
<a name="l00702"></a><a class="code" href="classKFind.html#b1">00702</a> <a class="codeRef" doxygen="qt.tag:" href="qwidget.html">QWidget</a>* <a class="code" href="classKFind.html#b1">KFind::dialogsParent</a>()<span class="keyword"> const</span>
<a name="l00703"></a>00703 <span class="keyword"></span>{
<a name="l00704"></a>00704 <span class="comment">// If the find dialog is still up, it should get the focus when closing a message box</span>
<a name="l00705"></a>00705 <span class="comment">// Otherwise, maybe the "find next?" dialog is up</span>
<a name="l00706"></a>00706 <span class="comment">// Otherwise, the "view" is the parent.</span>
<a name="l00707"></a>00707 <span class="keywordflow">return</span> d->findDialog ? (<a class="codeRef" doxygen="qt.tag:" href="qwidget.html">QWidget</a>*)d->findDialog : ( m_dialog ? m_dialog : <a class="code" href="classKFind.html#b0">parentWidget</a>() );
<a name="l00708"></a>00708 }
<a name="l00709"></a>00709
<a name="l00710"></a>00710 <span class="preprocessor">#include "kfind.moc"</span>
</pre></div> </div></div>
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