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<div class="title">printcapreader.cpp</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * This file is part of the KDE libraries</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be></span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00006"></a>00006 <span class="comment"> * modify it under the terms of the GNU Library General Public</span>
<a name="l00007"></a>00007 <span class="comment"> * License version 2 as published by the Free Software Foundation.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00012"></a>00012 <span class="comment"> * Library General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * You should have received a copy of the GNU Library General Public License</span>
<a name="l00015"></a>00015 <span class="comment"> * along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00016"></a>00016 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00017"></a>00017 <span class="comment"> * Boston, MA 02110-1301, USA.</span>
<a name="l00018"></a>00018 <span class="comment"> **/</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#include "printcapreader.h"</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include "printcapentry.h"</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include <qfile.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keywordtype">void</span> PrintcapReader::setPrintcapFile(<a class="codeRef" href="qfile.html">QFile</a> *f)
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028 <span class="keywordflow">if</span> (f->isOpen())
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030 m_stream.setDevice(f);
<a name="l00031"></a>00031 m_buffer = QString::null;
<a name="l00032"></a>00032 }
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="keywordtype">bool</span> PrintcapReader::nextLine(<a class="codeRef" href="qstring.html">QString</a>& line)
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <span class="keywordflow">if</span> (m_stream.atEnd() && m_buffer.isEmpty())
<a name="l00038"></a>00038 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00039"></a>00039 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!m_buffer.isEmpty())
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 line = m_buffer;
<a name="l00042"></a>00042 m_buffer = QString::null;
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044 <span class="keywordflow">else</span>
<a name="l00045"></a>00045 line = m_stream.readLine().<a class="codeRef" href="qstring.html#stripWhiteSpace">stripWhiteSpace</a>();
<a name="l00046"></a>00046 <span class="comment">// strip any '\' at the end</span>
<a name="l00047"></a>00047 <span class="keywordflow">if</span> (line[line.<a class="codeRef" href="qstring.html#length">length</a>()-1] == <span class="charliteral">'\\'</span>)
<a name="l00048"></a>00048 line = line.<a class="codeRef" href="qstring.html#left">left</a>(line.<a class="codeRef" href="qstring.html#length">length</a>()-1).stripWhiteSpace();
<a name="l00049"></a>00049 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00050"></a>00050 }
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keywordtype">void</span> PrintcapReader::unputLine(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& s)
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 m_buffer = s;
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056
<a name="l00057"></a>00057 PrintcapEntry* PrintcapReader::nextEntry()
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 <span class="keywordflow">if</span> (!m_stream.device())
<a name="l00060"></a>00060 <span class="keywordflow">return</span> NULL;
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <a class="codeRef" href="qstring.html">QString</a> line, comment, name, fields, buf;
<a name="l00063"></a>00063 <span class="comment">// skip comments, keep last one</span>
<a name="l00064"></a>00064 <span class="keywordflow">while</span> (1)
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 <span class="keywordflow">if</span> (!nextLine(line))
<a name="l00067"></a>00067 <span class="keywordflow">return</span> NULL;
<a name="l00068"></a>00068 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (line.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00069"></a>00069 <span class="keywordflow">continue</span>;
<a name="l00070"></a>00070 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (line[0] == <span class="charliteral">'#'</span>)
<a name="l00071"></a>00071 comment = line;
<a name="l00072"></a>00072 <span class="keywordflow">else</span>
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 buf = line;
<a name="l00075"></a>00075 <span class="keywordflow">break</span>;
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="comment">// look for the complete entry</span>
<a name="l00080"></a>00080 <span class="keywordflow">while</span> (1)
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 <span class="comment">// we found the entry if we reached the end of file or</span>
<a name="l00083"></a>00083 <span class="comment">// found an empty line</span>
<a name="l00084"></a>00084 <span class="keywordflow">if</span> (!nextLine(line) || line.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00085"></a>00085 <span class="keywordflow">break</span>;
<a name="l00086"></a>00086 <span class="comment">// just skip comments</span>
<a name="l00087"></a>00087 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (line[0] == <span class="charliteral">'#'</span>)
<a name="l00088"></a>00088 <span class="keywordflow">continue</span>;
<a name="l00089"></a>00089 <span class="comment">// lines starting with ':' or '|' are appended</span>
<a name="l00090"></a>00090 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (line[0] == <span class="charliteral">':'</span> || line[0] == <span class="charliteral">'|'</span>)
<a name="l00091"></a>00091 buf += line;
<a name="l00092"></a>00092 <span class="comment">// otherwise it's another entry, put it back in the</span>
<a name="l00093"></a>00093 <span class="comment">// buffer</span>
<a name="l00094"></a>00094 <span class="keywordflow">else</span>
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 unputLine(line);
<a name="l00097"></a>00097 <span class="keywordflow">break</span>;
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="comment">// now parse the entry</span>
<a name="l00102"></a>00102 kdDebug() << <span class="stringliteral">"COMMENT: "</span> << comment << endl;
<a name="l00103"></a>00103 kdDebug() << <span class="stringliteral">"LINE: "</span> << buf << endl;
<a name="l00104"></a>00104 <span class="keywordtype">int</span> p = buf.<a class="codeRef" href="qstring.html#find">find</a>(<span class="charliteral">':'</span>);
<a name="l00105"></a>00105 <span class="keywordflow">if</span> (p == -1)
<a name="l00106"></a>00106 name = buf;
<a name="l00107"></a>00107 <span class="keywordflow">else</span>
<a name="l00108"></a>00108 {
<a name="l00109"></a>00109 name = buf.<a class="codeRef" href="qstring.html#left">left</a>(p);
<a name="l00110"></a>00110 fields = buf.<a class="codeRef" href="qstring.html#right">right</a>(buf.<a class="codeRef" href="qstring.html#length">length</a>()-p-1);
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="comment">// construct the printcap entry</span>
<a name="l00114"></a>00114 <span class="keywordflow">if</span> (!name.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116 PrintcapEntry *entry = <span class="keyword">new</span> PrintcapEntry;
<a name="l00117"></a>00117 <a class="codeRef" href="qstringlist.html">QStringList</a> l = <a class="codeRef" href="qstringlist.html#split">QStringList::split</a>(<span class="charliteral">'|'</span>, name, <span class="keyword">false</span>);
<a name="l00118"></a>00118 entry->name = l[0];
<a name="l00119"></a>00119 entry->comment = comment;
<a name="l00120"></a>00120 <span class="comment">// kdDebug() << "Printer: " << entry->name << endl;</span>
<a name="l00121"></a>00121 <span class="comment">// kdDebug() << "Aliases:" << endl;</span>
<a name="l00122"></a>00122 <span class="keywordflow">for</span> (uint i=1; i<l.count(); i++)
<a name="l00123"></a>00123 {
<a name="l00124"></a>00124 entry->aliases << l[i];
<a name="l00125"></a>00125 <span class="comment">// kdDebug() << " " << l[i] << endl;</span>
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127 <span class="keywordflow">if</span> (!fields.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 <span class="comment">// kdDebug() << "Fields:" << endl;</span>
<a name="l00130"></a>00130 <span class="comment">// kdDebug() << "(" << fields << ")" << endl;</span>
<a name="l00131"></a>00131 l = <a class="codeRef" href="qstringlist.html#split">QStringList::split</a>(<span class="charliteral">':'</span>, fields, <span class="keyword">false</span>);
<a name="l00132"></a>00132 <span class="keywordflow">for</span> (QStringList::ConstIterator it=l.begin(); it!=l.end(); ++it)
<a name="l00133"></a>00133 {
<a name="l00134"></a>00134 Field f;
<a name="l00135"></a>00135 <span class="keywordtype">int</span> p = (*it).find(<span class="charliteral">'='</span>);
<a name="l00136"></a>00136 <span class="keywordflow">if</span> (p == -1)
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 p = (*it).find(<span class="charliteral">'#'</span>);
<a name="l00139"></a>00139 <span class="keywordflow">if</span> (p == -1)
<a name="l00140"></a>00140 {
<a name="l00141"></a>00141 f.type = Field::Boolean;
<a name="l00142"></a>00142 p = (*it).find(<span class="charliteral">'@'</span>);
<a name="l00143"></a>00143 <span class="keywordflow">if</span> (p == -1)
<a name="l00144"></a>00144 {
<a name="l00145"></a>00145 f.<a class="codeRef" href="qfile.html#name">name</a> = (*it);
<a name="l00146"></a>00146 f.value = <span class="stringliteral">"1"</span>;
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 <span class="keywordflow">else</span>
<a name="l00149"></a>00149 {
<a name="l00150"></a>00150 f.name = (*it).left(p);
<a name="l00151"></a>00151 f.value = <span class="stringliteral">"0"</span>;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154 <span class="keywordflow">else</span>
<a name="l00155"></a>00155 {
<a name="l00156"></a>00156 f.type = Field::Integer;
<a name="l00157"></a>00157 f.name = (*it).left(p);
<a name="l00158"></a>00158 f.value = (*it).mid(p+1);
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161 <span class="keywordflow">else</span>
<a name="l00162"></a>00162 {
<a name="l00163"></a>00163 f.type = Field::String;
<a name="l00164"></a>00164 f.name = (*it).left(p);
<a name="l00165"></a>00165 f.value = (*it).mid(p+1);
<a name="l00166"></a>00166 <span class="keywordflow">if</span> (f.value.startsWith(<span class="stringliteral">"\""</span>))
<a name="l00167"></a>00167 f.value = f.value.mid(1, f.value.length()-2);
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169 entry->fields[f.name] = f;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172 <span class="comment">// kdDebug() << endl;</span>
<a name="l00173"></a>00173 <span class="keywordflow">return</span> entry;
<a name="l00174"></a>00174 }
<a name="l00175"></a>00175 <span class="keywordflow">return</span> NULL;
<a name="l00176"></a>00176 }
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