<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en_US" xml:lang="en_US"> <head> <title>kdeprint: kdeprintcheck.cpp Source File (kdeprint)</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="pics-label" content='(pics-1.1 "http://www.icra.org/ratingsv02.html" comment "ICRAonline DE v2.0" l gen true for "http://www.kde.org" r (nz 1 vz 1 lz 1 oz 1 cb 1) "http://www.rsac.org/ratingsv01.html" l gen true for "http://www.kde.org" r (n 0 s 0 v 0 l 0))' /> <meta name="trademark" content="KDE e.V." /> <meta name="description" content="K Desktop Environment Homepage, KDE.org" /> <meta name="MSSmartTagsPreventParsing" content="true" /> <meta name="robots" content="all" /> <link rel="shortcut icon" href="../../favicon.ico" /> <link rel="stylesheet" media="screen" type="text/css" title="APIDOX" href="doxygen.css" /> </head> <body> <div id="nav_header_top" align="right"> <a href="#content" class="doNotDisplay" accesskey="2">Skip to main content ::</a> <a href="../.."><img id="nav_header_logo" alt="Home" align="left" src="../../kde_gear_64.png" border="0" /></a> <span class="doNotDisplay">::</span> <div id="nav_header_title" align="left">KDE API Reference</div> </div> <div id="nav_header_bottom" align="right"> <span class="doNotDisplay">:: <a href="#navigation" accesskey="5">Skip to Link Menu</a><br/></span> <div id="nav_header_bottom_right" style="text-align: left;"> / <a href="../..">API Reference</a> / <a href=".">kdeprint</a> </div> </div> <table id="main" border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td valign="top" class="menuheader" height="0"></td> <td id="contentcolumn" valign="top" rowspan="2" > <div id="content" style="padding-top: 0px;"><div style="width:100%; margin: 0px; padding: 0px;"> <a name="content"></a> <!-- Generated by Doxygen 1.7.4 --> <div class="header"> <div class="headertitle"> <div class="title">kdeprintcheck.cpp</div> </div> </div> <div class="contents"> <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="comment">/*</span> <a name="l00021"></a>00021 <span class="comment"> * Implementation of simple checking mechanism. Rules are defined in</span> <a name="l00022"></a>00022 <span class="comment"> * the form of an URI. Available syntax is:</span> <a name="l00023"></a>00023 <span class="comment"> * - exec:/<execname> -> check for an executable in</span> <a name="l00024"></a>00024 <span class="comment"> * $PATH variable.</span> <a name="l00025"></a>00025 <span class="comment"> * - config:/path/to/file -> check for the existence of a file</span> <a name="l00026"></a>00026 <span class="comment"> * or directory in KDE or standard</span> <a name="l00027"></a>00027 <span class="comment"> * UNIX config locations</span> <a name="l00028"></a>00028 <span class="comment"> * - file:/path/to/file</span> <a name="l00029"></a>00029 <span class="comment"> * - dir:/path/to/dir -> simply check the existence of the</span> <a name="l00030"></a>00030 <span class="comment"> * a file or directory</span> <a name="l00031"></a>00031 <span class="comment"> * - service:/serv -> try to connect to a port on the</span> <a name="l00032"></a>00032 <span class="comment"> * specified host (usually localhost)</span> <a name="l00033"></a>00033 <span class="comment"> * "serv" can be a port value or service name</span> <a name="l00034"></a>00034 <span class="comment"> *</span> <a name="l00035"></a>00035 <span class="comment"> * TO BE IMPLEMENTED:</span> <a name="l00036"></a>00036 <span class="comment"> * - run:/<execname> -> check for a running executable</span> <a name="l00037"></a>00037 <span class="comment"> */</span> <a name="l00038"></a>00038 <a name="l00039"></a>00039 <span class="preprocessor">#include "kdeprintcheck.h"</span> <a name="l00040"></a>00040 <a name="l00041"></a>00041 <span class="preprocessor">#include <kstandarddirs.h></span> <a name="l00042"></a>00042 <span class="preprocessor">#include <kdebug.h></span> <a name="l00043"></a>00043 <span class="preprocessor">#include <kextsock.h></span> <a name="l00044"></a>00044 <span class="preprocessor">#include <qfile.h></span> <a name="l00045"></a>00045 <span class="preprocessor">#include <unistd.h></span> <a name="l00046"></a>00046 <a name="l00047"></a>00047 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> config_stddirs[] = { <a name="l00048"></a>00048 <span class="stringliteral">"/etc/"</span>, <a name="l00049"></a>00049 <span class="stringliteral">"/usr/etc/"</span>, <a name="l00050"></a>00050 <span class="stringliteral">"/usr/local/etc/"</span>, <a name="l00051"></a>00051 <span class="stringliteral">"/opt/etc/"</span>, <a name="l00052"></a>00052 <span class="stringliteral">"/opt/local/etc/"</span>, <a name="l00053"></a>00053 0 <a name="l00054"></a>00054 }; <a name="l00055"></a>00055 <a name="l00056"></a>00056 <span class="keywordtype">bool</span> KdeprintChecker::check(KConfig *conf, <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& group) <a name="l00057"></a>00057 { <a name="l00058"></a>00058 <span class="keywordflow">if</span> (!group.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>()) <a name="l00059"></a>00059 conf->setGroup(group); <a name="l00060"></a>00060 <a class="codeRef" href="qstringlist.html">QStringList</a> uris = conf->readListEntry(<span class="stringliteral">"Require"</span>); <a name="l00061"></a>00061 <span class="keywordflow">return</span> check(uris); <a name="l00062"></a>00062 } <a name="l00063"></a>00063 <a name="l00064"></a>00064 <span class="keywordtype">bool</span> KdeprintChecker::check(<span class="keyword">const</span> <a class="codeRef" href="qstringlist.html">QStringList</a>& uris) <a name="l00065"></a>00065 { <a name="l00066"></a>00066 <span class="keywordtype">bool</span> state(<span class="keyword">true</span>); <a name="l00067"></a>00067 <span class="keywordflow">for</span> (QStringList::ConstIterator it=uris.begin(); it!=uris.end() && state; ++it) <a name="l00068"></a>00068 { <a name="l00069"></a>00069 state = (state && checkURL(KURL(*it))); <a name="l00070"></a>00070 <span class="comment">// kdDebug( 500 ) << "auto-detection uri=" << *it << ", state=" << state << endl;</span> <a name="l00071"></a>00071 } <a name="l00072"></a>00072 <span class="keywordflow">return</span> state; <a name="l00073"></a>00073 } <a name="l00074"></a>00074 <a name="l00075"></a>00075 <span class="keywordtype">bool</span> KdeprintChecker::checkURL(<span class="keyword">const</span> KURL& url) <a name="l00076"></a>00076 { <a name="l00077"></a>00077 <a class="codeRef" href="qstring.html">QString</a> prot(url.protocol()); <a name="l00078"></a>00078 <span class="keywordflow">if</span> (prot == <span class="stringliteral">"config"</span>) <a name="l00079"></a>00079 <span class="keywordflow">return</span> checkConfig(url); <a name="l00080"></a>00080 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (prot == <span class="stringliteral">"exec"</span>) <a name="l00081"></a>00081 <span class="keywordflow">return</span> checkExec(url); <a name="l00082"></a>00082 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (prot == <span class="stringliteral">"file"</span> || prot == <span class="stringliteral">"dir"</span>) <a name="l00083"></a>00083 <span class="keywordflow">return</span> KStandardDirs::exists(url.url()); <a name="l00084"></a>00084 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (prot == <span class="stringliteral">"service"</span>) <a name="l00085"></a>00085 <span class="keywordflow">return</span> checkService(url); <a name="l00086"></a>00086 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00087"></a>00087 } <a name="l00088"></a>00088 <a name="l00089"></a>00089 <span class="keywordtype">bool</span> KdeprintChecker::checkConfig(<span class="keyword">const</span> KURL& url) <a name="l00090"></a>00090 { <a name="l00091"></a>00091 <span class="comment">// get the config filename (may contain a path)</span> <a name="l00092"></a>00092 <a class="codeRef" href="qstring.html">QString</a> f(url.path().mid(1)); <a name="l00093"></a>00093 <span class="keywordtype">bool</span> state(<span class="keyword">false</span>); <a name="l00094"></a>00094 <a name="l00095"></a>00095 <span class="comment">// first check for standard KDE config file</span> <a name="l00096"></a>00096 <span class="keywordflow">if</span> (!locate(<span class="stringliteral">"config"</span>,f).isEmpty()) <a name="l00097"></a>00097 state = <span class="keyword">true</span>; <a name="l00098"></a>00098 <span class="keywordflow">else</span> <a name="l00099"></a>00099 <span class="comment">// otherwise check in standard UNIX config directories</span> <a name="l00100"></a>00100 { <a name="l00101"></a>00101 <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> *p = config_stddirs; <a name="l00102"></a>00102 <span class="keywordflow">while</span> (*p) <a name="l00103"></a>00103 { <a name="l00104"></a>00104 <span class="comment">// kdDebug( 500 ) << "checkConfig() with " << QString::fromLatin1( *p ) + f << endl;</span> <a name="l00105"></a>00105 <span class="keywordflow">if</span> ( <a class="codeRef" href="qfile.html#exists-2">QFile::exists</a>( <a class="codeRef" href="qstring.html#fromLatin1">QString::fromLatin1</a>( *p ) + f ) ) <a name="l00106"></a>00106 { <a name="l00107"></a>00107 state = <span class="keyword">true</span>; <a name="l00108"></a>00108 <span class="keywordflow">break</span>; <a name="l00109"></a>00109 } <a name="l00110"></a>00110 <span class="keywordflow">else</span> <a name="l00111"></a>00111 p++; <a name="l00112"></a>00112 } <a name="l00113"></a>00113 } <a name="l00114"></a>00114 <span class="keywordflow">return</span> state; <a name="l00115"></a>00115 } <a name="l00116"></a>00116 <a name="l00117"></a>00117 <span class="keywordtype">bool</span> KdeprintChecker::checkExec(<span class="keyword">const</span> KURL& url) <a name="l00118"></a>00118 { <a name="l00119"></a>00119 <a class="codeRef" href="qstring.html">QString</a> execname(url.path().mid(1)); <a name="l00120"></a>00120 <span class="keywordflow">return</span> !(KStandardDirs::findExe(execname).isEmpty()); <a name="l00121"></a>00121 } <a name="l00122"></a>00122 <a name="l00123"></a>00123 <span class="keywordtype">bool</span> KdeprintChecker::checkService(<span class="keyword">const</span> KURL& url) <a name="l00124"></a>00124 { <a name="l00125"></a>00125 <a class="codeRef" href="qstring.html">QString</a> serv(url.path().mid(1)); <a name="l00126"></a>00126 KExtendedSocket sock; <a name="l00127"></a>00127 <a name="l00128"></a>00128 <span class="keywordtype">bool</span> ok; <a name="l00129"></a>00129 <span class="keywordtype">int</span> port = serv.<a class="codeRef" href="qstring.html#toInt">toInt</a>(&ok); <a name="l00130"></a>00130 <a name="l00131"></a>00131 <span class="keywordflow">if</span> (ok) sock.setAddress(<span class="stringliteral">"localhost"</span>, port); <a name="l00132"></a>00132 <span class="keywordflow">else</span> sock.setAddress(<span class="stringliteral">"localhost"</span>, serv); <a name="l00133"></a>00133 <span class="keywordflow">return</span> (sock.connect() == 0); <a name="l00134"></a>00134 } </pre></div></div> </div> </div></div> </td> </tr> <tr> <td valign="top" id="leftmenu" width="25%"> <a name="navigation"></a> <div class="menu_box"><h2>kdeprint</h2> <div class="nav_list"> <ul><li><a href="index.html">Main Page</a></li><li><a href="hierarchy.html">Class Hierarchy</a></li><li><a href="classes.html">Alphabetical List</a></li><li><a href="annotated.html">Class List</a></li><li><a href="files.html">File List</a></li><li><a href="functions.html">Class Members</a></li><li><a href="pages.html">Related Pages</a></li></ul> <!-- <h2>Class Picker</h2> <div style="text-align: center;"> <form name="guideform"> <select name="guidelinks" style="width:100%;" 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