<?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>kio/kio: kfilterdev.cpp Source File (kio/kio)</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="../../html/index.html">kio</a> / <a href=".">kio</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 1.5.5 --> <h1>kfilterdev.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* This file is part of the KDE libraries</span> <a name="l00002"></a>00002 <span class="comment"> Copyright (C) 2000 David Faure <faure@kde.org></span> <a name="l00003"></a>00003 <span class="comment"></span> <a name="l00004"></a>00004 <span class="comment"> This library is free software; you can redistribute it and/or</span> <a name="l00005"></a>00005 <span class="comment"> modify it under the terms of the GNU Library General Public</span> <a name="l00006"></a>00006 <span class="comment"> License version 2 as published by the Free Software Foundation.</span> <a name="l00007"></a>00007 <span class="comment"></span> <a name="l00008"></a>00008 <span class="comment"> This library is distributed in the hope that it will be useful,</span> <a name="l00009"></a>00009 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span> <a name="l00010"></a>00010 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span> <a name="l00011"></a>00011 <span class="comment"> Library General Public License for more details.</span> <a name="l00012"></a>00012 <span class="comment"></span> <a name="l00013"></a>00013 <span class="comment"> You should have received a copy of the GNU Library General Public License</span> <a name="l00014"></a>00014 <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span> <a name="l00015"></a>00015 <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span> <a name="l00016"></a>00016 <span class="comment"> Boston, MA 02110-1301, USA.</span> <a name="l00017"></a>00017 <span class="comment">*/</span> <a name="l00018"></a>00018 <a name="l00019"></a>00019 <span class="preprocessor">#include "kfilterdev.h"</span> <a name="l00020"></a>00020 <span class="preprocessor">#include "kfilterbase.h"</span> <a name="l00021"></a>00021 <span class="preprocessor">#include <kdebug.h></span> <a name="l00022"></a>00022 <span class="preprocessor">#include <stdio.h></span> <span class="comment">// for EOF</span> <a name="l00023"></a>00023 <span class="preprocessor">#include <stdlib.h></span> <a name="l00024"></a>00024 <span class="preprocessor">#include <assert.h></span> <a name="l00025"></a>00025 <span class="preprocessor">#include <qfile.h></span> <a name="l00026"></a>00026 <a name="l00027"></a>00027 <span class="preprocessor">#define BUFFER_SIZE 8*1024</span> <a name="l00028"></a>00028 <span class="preprocessor"></span> <a name="l00029"></a>00029 <span class="keyword">class </span>KFilterDev::KFilterDevPrivate <a name="l00030"></a>00030 { <a name="l00031"></a>00031 <span class="keyword">public</span>: <a name="l00032"></a>00032 KFilterDevPrivate() : bNeedHeader(true), bSkipHeaders(false), <a name="l00033"></a>00033 autoDeleteFilterBase(false), bOpenedUnderlyingDevice(false), <a name="l00034"></a>00034 bIgnoreData(false){} <a name="l00035"></a>00035 <span class="keywordtype">bool</span> bNeedHeader; <a name="l00036"></a>00036 <span class="keywordtype">bool</span> bSkipHeaders; <a name="l00037"></a>00037 <span class="keywordtype">bool</span> autoDeleteFilterBase; <a name="l00038"></a>00038 <span class="keywordtype">bool</span> bOpenedUnderlyingDevice; <a name="l00039"></a>00039 <span class="keywordtype">bool</span> bIgnoreData; <a name="l00040"></a>00040 <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qbytearray.html">QByteArray</a> buffer; <span class="comment">// Used as 'input buffer' when reading, as 'output buffer' when writing</span> <a name="l00041"></a>00041 <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qcstring.html">QCString</a> ungetchBuffer; <a name="l00042"></a>00042 <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qcstring.html">QCString</a> origFileName; <a name="l00043"></a>00043 KFilterBase::Result result; <a name="l00044"></a>00044 }; <a name="l00045"></a>00045 <a name="l00046"></a><a class="code" href="classKFilterDev.html#ab24827abc4d813c222af3a4fc46fe91">00046</a> <a class="code" href="classKFilterDev.html#ab24827abc4d813c222af3a4fc46fe91" title="Constructs a KFilterDev for a given filter (e.g.">KFilterDev::KFilterDev</a>( <a class="code" href="classKFilterBase.html" title="This is the base class for compression filters such as gzip and bzip2.">KFilterBase</a> * _filter, <span class="keywordtype">bool</span> autoDeleteFilterBase ) <a name="l00047"></a>00047 : filter(_filter) <a name="l00048"></a>00048 { <a name="l00049"></a>00049 assert(filter); <a name="l00050"></a>00050 d = <span class="keyword">new</span> KFilterDevPrivate; <a name="l00051"></a>00051 d->autoDeleteFilterBase = autoDeleteFilterBase; <a name="l00052"></a>00052 } <a name="l00053"></a>00053 <a name="l00054"></a><a class="code" href="classKFilterDev.html#dae6c39a80f3aad6b8387a8c3c2bedd5">00054</a> <a class="code" href="classKFilterDev.html#dae6c39a80f3aad6b8387a8c3c2bedd5" title="Destructs the KFilterDev.">KFilterDev::~KFilterDev</a>() <a name="l00055"></a>00055 { <a name="l00056"></a>00056 <span class="keywordflow">if</span> ( <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#isOpen">isOpen</a>() ) <a name="l00057"></a>00057 <a class="code" href="classKFilterDev.html#a1400ff3a0888e986cd677f5f4f8f59a" title="Close after reading or writing.">close</a>(); <a name="l00058"></a>00058 <span class="keywordflow">if</span> ( d->autoDeleteFilterBase ) <a name="l00059"></a>00059 <span class="keyword">delete</span> filter; <a name="l00060"></a>00060 <span class="keyword">delete</span> d; <a name="l00061"></a>00061 } <a name="l00062"></a>00062 <a name="l00063"></a>00063 <span class="preprocessor">#ifndef KDE_NO_COMPAT</span> <a name="l00064"></a>00064 <span class="preprocessor"></span><span class="comment">//this one is static</span> <a name="l00065"></a>00065 <span class="comment">// Cumbersome API. To be removed in KDE 3.0.</span> <a name="l00066"></a><a class="code" href="classKFilterDev.html#47815748f45b3b46c0ced7cc53bfae2e">00066</a> <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html">QIODevice</a>* <a class="code" href="classKFilterDev.html#47815748f45b3b46c0ced7cc53bfae2e" title="Call this to create the appropriate filter device for base working on file .">KFilterDev::createFilterDevice</a>(<a class="code" href="classKFilterBase.html" title="This is the base class for compression filters such as gzip and bzip2.">KFilterBase</a>* base, <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qfile.html">QFile</a>* file) <a name="l00067"></a>00067 { <a name="l00068"></a>00068 <span class="keywordflow">if</span> (file==0) <a name="l00069"></a>00069 <span class="keywordflow">return</span> 0; <a name="l00070"></a>00070 <a name="l00071"></a>00071 <span class="comment">//we don't need a filter</span> <a name="l00072"></a>00072 <span class="keywordflow">if</span> (base==0) <a name="l00073"></a>00073 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qfile.html">QFile</a>(file-><a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qfile.html#name">name</a>()); <span class="comment">// A bit strange IMHO. We ask for a QFile but we create another one !?! (DF)</span> <a name="l00074"></a>00074 <a name="l00075"></a>00075 base-><a class="code" href="classKFilterBase.html#e0b5719aa1ebe3b43507f45828acfb31" title="Sets the device on which the filter will work.">setDevice</a>(file); <a name="l00076"></a>00076 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classKFilterDev.html#ab24827abc4d813c222af3a4fc46fe91" title="Constructs a KFilterDev for a given filter (e.g.">KFilterDev</a>(base); <a name="l00077"></a>00077 } <a name="l00078"></a>00078 <span class="preprocessor">#endif</span> <a name="l00079"></a>00079 <span class="preprocessor"></span> <a name="l00080"></a>00080 <span class="comment">//static</span> <a name="l00081"></a><a class="code" href="classKFilterDev.html#afd470e4fde55cd53995b7167506fc09">00081</a> <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html">QIODevice</a> * <a class="code" href="classKFilterDev.html#afd470e4fde55cd53995b7167506fc09" title="Creates an i/o device that is able to read from fileName, whether it&#39;s compressed...">KFilterDev::deviceForFile</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qstring.html">QString</a> & fileName, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qstring.html">QString</a> & mimetype, <a name="l00082"></a>00082 <span class="keywordtype">bool</span> forceFilter ) <a name="l00083"></a>00083 { <a name="l00084"></a>00084 <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qfile.html">QFile</a> * f = <span class="keyword">new</span> <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qfile.html">QFile</a>( fileName ); <a name="l00085"></a>00085 <a class="code" href="classKFilterBase.html" title="This is the base class for compression filters such as gzip and bzip2.">KFilterBase</a> * base = mimetype.<a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qstring.html#isEmpty">isEmpty</a>() ? <a class="code" href="classKFilterBase.html#8fca04b12ed998aa9dc76204b55db25a" title="Call this to create the appropriate filter for the file named fileName.">KFilterBase::findFilterByFileName</a>( fileName ) <a name="l00086"></a>00086 : <a class="code" href="classKFilterBase.html#6f6597b919c0c87339a0312657a64a88" title="Call this to create the appropriate filter for the mimetype mimeType.">KFilterBase::findFilterByMimeType</a>( mimetype ); <a name="l00087"></a>00087 <span class="keywordflow">if</span> ( base ) <a name="l00088"></a>00088 { <a name="l00089"></a>00089 base-><a class="code" href="classKFilterBase.html#e0b5719aa1ebe3b43507f45828acfb31" title="Sets the device on which the filter will work.">setDevice</a>(f, <span class="keyword">true</span>); <a name="l00090"></a>00090 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classKFilterDev.html#ab24827abc4d813c222af3a4fc46fe91" title="Constructs a KFilterDev for a given filter (e.g.">KFilterDev</a>(base, <span class="keyword">true</span>); <a name="l00091"></a>00091 } <a name="l00092"></a>00092 <span class="keywordflow">if</span>(!forceFilter) <a name="l00093"></a>00093 <span class="keywordflow">return</span> f; <a name="l00094"></a>00094 <span class="keywordflow">else</span> <a name="l00095"></a>00095 { <a name="l00096"></a>00096 <span class="keyword">delete</span> f; <a name="l00097"></a>00097 <span class="keywordflow">return</span> 0L; <a name="l00098"></a>00098 } <a name="l00099"></a>00099 } <a name="l00100"></a>00100 <a name="l00101"></a><a class="code" href="classKFilterDev.html#68d6bab5c60b94f2b08dabfbd7c17cf8">00101</a> <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html">QIODevice</a> * <a class="code" href="classKFilterDev.html#68d6bab5c60b94f2b08dabfbd7c17cf8" title="Creates an i/o device that is able to read from the QIODevice inDevice, whether the...">KFilterDev::device</a>( <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html">QIODevice</a>* inDevice, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qstring.html">QString</a> & mimetype) <a name="l00102"></a>00102 { <a name="l00103"></a>00103 <span class="keywordflow">return</span> <a class="code" href="classKFilterDev.html#68d6bab5c60b94f2b08dabfbd7c17cf8" title="Creates an i/o device that is able to read from the QIODevice inDevice, whether the...">device</a>( inDevice, mimetype, <span class="keyword">true</span> ); <a name="l00104"></a>00104 } <a name="l00105"></a>00105 <a name="l00106"></a><a class="code" href="classKFilterDev.html#a295958f50deb549674b80104722458e">00106</a> <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html">QIODevice</a> * <a class="code" href="classKFilterDev.html#68d6bab5c60b94f2b08dabfbd7c17cf8" title="Creates an i/o device that is able to read from the QIODevice inDevice, whether the...">KFilterDev::device</a>( <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html">QIODevice</a>* inDevice, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qstring.html">QString</a> & mimetype, <span class="keywordtype">bool</span> autoDeleteInDevice ) <a name="l00107"></a>00107 { <a name="l00108"></a>00108 <span class="keywordflow">if</span> (inDevice==0) <a name="l00109"></a>00109 <span class="keywordflow">return</span> 0; <a name="l00110"></a>00110 <a class="code" href="classKFilterBase.html" title="This is the base class for compression filters such as gzip and bzip2.">KFilterBase</a> * base = <a class="code" href="classKFilterBase.html#6f6597b919c0c87339a0312657a64a88" title="Call this to create the appropriate filter for the mimetype mimeType.">KFilterBase::findFilterByMimeType</a>(mimetype); <a name="l00111"></a>00111 <span class="keywordflow">if</span> ( base ) <a name="l00112"></a>00112 { <a name="l00113"></a>00113 base-><a class="code" href="classKFilterBase.html#e0b5719aa1ebe3b43507f45828acfb31" title="Sets the device on which the filter will work.">setDevice</a>(inDevice, autoDeleteInDevice); <a name="l00114"></a>00114 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classKFilterDev.html#ab24827abc4d813c222af3a4fc46fe91" title="Constructs a KFilterDev for a given filter (e.g.">KFilterDev</a>(base, <span class="keyword">true</span> <span class="comment">/* auto-delete "base" */</span>); <a name="l00115"></a>00115 } <a name="l00116"></a>00116 <span class="keywordflow">return</span> 0; <a name="l00117"></a>00117 } <a name="l00118"></a>00118 <a name="l00119"></a><a class="code" href="classKFilterDev.html#76477d8188e2c503596085563592b268">00119</a> <span class="keywordtype">bool</span> <a class="code" href="classKFilterDev.html#76477d8188e2c503596085563592b268" title="Open for reading or writing.">KFilterDev::open</a>( <span class="keywordtype">int</span> <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#mode">mode</a> ) <a name="l00120"></a>00120 { <a name="l00121"></a>00121 <span class="comment">//kdDebug(7005) << "KFilterDev::open " << mode << endl;</span> <a name="l00122"></a>00122 <span class="keywordflow">if</span> ( mode == IO_ReadOnly ) <a name="l00123"></a>00123 { <a name="l00124"></a>00124 d->buffer.resize(0); <a name="l00125"></a>00125 d->ungetchBuffer.resize(0); <a name="l00126"></a>00126 } <a name="l00127"></a>00127 <span class="keywordflow">else</span> <a name="l00128"></a>00128 { <a name="l00129"></a>00129 d->buffer.resize( BUFFER_SIZE ); <a name="l00130"></a>00130 filter-><a class="code" href="classKFilterBase.html#5e284cc9076c690c5e0969e09ac0df1d">setOutBuffer</a>( d->buffer.data(), d->buffer.size() ); <a name="l00131"></a>00131 } <a name="l00132"></a>00132 d->bNeedHeader = !d->bSkipHeaders; <a name="l00133"></a>00133 filter-><a class="code" href="classKFilterBase.html#624908c9baca94e72ff761eb63c2d45e">init</a>( mode ); <a name="l00134"></a>00134 d->bOpenedUnderlyingDevice = !filter-><a class="code" href="classKFilterBase.html#f1fd3c777945555ec77ec6a74eb1d418" title="Returns the device on which the filter will work.">device</a>()-><a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#isOpen">isOpen</a>(); <a name="l00135"></a>00135 <span class="keywordtype">bool</span> ret = d->bOpenedUnderlyingDevice ? filter-><a class="code" href="classKFilterBase.html#f1fd3c777945555ec77ec6a74eb1d418" title="Returns the device on which the filter will work.">device</a>()-><a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#open">open</a>( mode ) : <span class="keyword">true</span>; <a name="l00136"></a>00136 d->result = KFilterBase::OK; <a name="l00137"></a>00137 <a name="l00138"></a>00138 <span class="keywordflow">if</span> ( !ret ) <a name="l00139"></a>00139 kdWarning(7005) << <span class="stringliteral">"KFilterDev::open: Couldn't open underlying device"</span> << endl; <a name="l00140"></a>00140 <span class="keywordflow">else</span> <a name="l00141"></a>00141 { <a name="l00142"></a>00142 <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#setState">setState</a>( IO_Open ); <a name="l00143"></a>00143 <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#setMode">setMode</a>( mode ); <a name="l00144"></a>00144 } <a name="l00145"></a>00145 ioIndex = 0; <a name="l00146"></a>00146 <span class="keywordflow">return</span> ret; <a name="l00147"></a>00147 } <a name="l00148"></a>00148 <a name="l00149"></a><a class="code" href="classKFilterDev.html#a1400ff3a0888e986cd677f5f4f8f59a">00149</a> <span class="keywordtype">void</span> <a class="code" href="classKFilterDev.html#a1400ff3a0888e986cd677f5f4f8f59a" title="Close after reading or writing.">KFilterDev::close</a>() <a name="l00150"></a>00150 { <a name="l00151"></a>00151 <span class="keywordflow">if</span> ( !<a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#isOpen">isOpen</a>() ) <a name="l00152"></a>00152 <span class="keywordflow">return</span>; <a name="l00153"></a>00153 <span class="comment">//kdDebug(7005) << "KFilterDev::close" << endl;</span> <a name="l00154"></a>00154 <span class="keywordflow">if</span> ( filter-><a class="code" href="classKFilterBase.html#ea4a8777dfad1fb83e7785194b12b680">mode</a>() == IO_WriteOnly ) <a name="l00155"></a>00155 writeBlock( 0L, 0 ); <span class="comment">// finish writing</span> <a name="l00156"></a>00156 <span class="comment">//kdDebug(7005) << "KFilterDev::close. Calling terminate()." << endl;</span> <a name="l00157"></a>00157 <a name="l00158"></a>00158 filter-><a class="code" href="classKFilterBase.html#4697e74e70fdbe7044ed0473f03d9040">terminate</a>(); <a name="l00159"></a>00159 <span class="keywordflow">if</span> ( d->bOpenedUnderlyingDevice ) <a name="l00160"></a>00160 filter-><a class="code" href="classKFilterBase.html#f1fd3c777945555ec77ec6a74eb1d418" title="Returns the device on which the filter will work.">device</a>()-><a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#close">close</a>(); <a name="l00161"></a>00161 <a name="l00162"></a>00162 <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#setState">setState</a>( 0 ); <span class="comment">// not IO_Open</span> <a name="l00163"></a>00163 } <a name="l00164"></a>00164 <a name="l00165"></a>00165 <span class="keywordtype">void</span> KFilterDev::flush() <a name="l00166"></a>00166 { <a name="l00167"></a>00167 <span class="comment">//kdDebug(7005) << "KFilterDev::flush" << endl;</span> <a name="l00168"></a>00168 filter-><a class="code" href="classKFilterBase.html#f1fd3c777945555ec77ec6a74eb1d418" title="Returns the device on which the filter will work.">device</a>()-><a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#flush">flush</a>(); <a name="l00169"></a>00169 <span class="comment">// Hmm, might not be enough...</span> <a name="l00170"></a>00170 } <a name="l00171"></a>00171 <a name="l00172"></a>00172 <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#Offset">QIODevice::Offset</a> KFilterDev::size()<span class="keyword"> const</span> <a name="l00173"></a>00173 <span class="keyword"></span>{ <a name="l00174"></a>00174 <span class="comment">// Well, hmm, Houston, we have a problem.</span> <a name="l00175"></a>00175 <span class="comment">// We can't know the size of the uncompressed data</span> <a name="l00176"></a>00176 <span class="comment">// before uncompressing it.......</span> <a name="l00177"></a>00177 <a name="l00178"></a>00178 <span class="comment">// But readAll, which is not virtual, needs the size.........</span> <a name="l00179"></a>00179 <a name="l00180"></a>00180 kdWarning(7005) << <span class="stringliteral">"KFilterDev::size - can't be implemented !!!!!!!! Returning -1 "</span> << endl; <a name="l00181"></a>00181 <span class="comment">//abort();</span> <a name="l00182"></a>00182 <span class="keywordflow">return</span> (uint)-1; <a name="l00183"></a>00183 } <a name="l00184"></a>00184 <a name="l00185"></a>00185 <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#Offset">QIODevice::Offset</a> KFilterDev::at()<span class="keyword"> const</span> <a name="l00186"></a>00186 <span class="keyword"></span>{ <a name="l00187"></a>00187 <span class="keywordflow">return</span> ioIndex; <a name="l00188"></a>00188 } <a name="l00189"></a>00189 <a name="l00190"></a><a class="code" href="classKFilterDev.html#c89bb389d5cdd11cab148e041b4ebcd8">00190</a> <span class="keywordtype">bool</span> KFilterDev::at( <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#Offset">QIODevice::Offset</a> pos ) <a name="l00191"></a>00191 { <a name="l00192"></a>00192 <span class="comment">//kdDebug(7005) << "KFilterDev::at " << pos << " currently at " << ioIndex << endl;</span> <a name="l00193"></a>00193 <a name="l00194"></a>00194 <span class="keywordflow">if</span> ( ioIndex == pos ) <a name="l00195"></a>00195 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00196"></a>00196 <a name="l00197"></a>00197 Q_ASSERT ( filter-><a class="code" href="classKFilterBase.html#ea4a8777dfad1fb83e7785194b12b680">mode</a>() == IO_ReadOnly ); <a name="l00198"></a>00198 <a name="l00199"></a>00199 <span class="keywordflow">if</span> ( pos == 0 ) <a name="l00200"></a>00200 { <a name="l00201"></a>00201 ioIndex = 0; <a name="l00202"></a>00202 <span class="comment">// We can forget about the cached data</span> <a name="l00203"></a>00203 d->ungetchBuffer.resize(0); <a name="l00204"></a>00204 d->bNeedHeader = !d->bSkipHeaders; <a name="l00205"></a>00205 d->result = KFilterBase::OK; <a name="l00206"></a>00206 filter-><a class="code" href="classKFilterBase.html#332c5aba58f0c01f588de41bb337e15c">setInBuffer</a>(0L,0); <a name="l00207"></a>00207 filter-><a class="code" href="classKFilterBase.html#72c70657fafeca5b310cfb1eb7b40e8c">reset</a>(); <a name="l00208"></a>00208 <span class="keywordflow">return</span> filter-><a class="code" href="classKFilterBase.html#f1fd3c777945555ec77ec6a74eb1d418" title="Returns the device on which the filter will work.">device</a>()-><a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#reset">reset</a>(); <a name="l00209"></a>00209 } <a name="l00210"></a>00210 <a name="l00211"></a>00211 <span class="keywordflow">if</span> ( ioIndex < pos ) <span class="comment">// we can start from here</span> <a name="l00212"></a>00212 pos = pos - ioIndex; <a name="l00213"></a>00213 <span class="keywordflow">else</span> <a name="l00214"></a>00214 { <a name="l00215"></a>00215 <span class="comment">// we have to start from 0 ! Ugly and slow, but better than the previous</span> <a name="l00216"></a>00216 <span class="comment">// solution (KTarGz was allocating everything into memory)</span> <a name="l00217"></a>00217 <span class="keywordflow">if</span> (!at(0)) <span class="comment">// sets ioIndex to 0</span> <a name="l00218"></a>00218 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00219"></a>00219 } <a name="l00220"></a>00220 <a name="l00221"></a>00221 <span class="comment">//kdDebug(7005) << "KFilterDev::at : reading " << pos << " dummy bytes" << endl;</span> <a name="l00222"></a>00222 <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qbytearray.html">QByteArray</a> dummy( QMIN( pos, 3*BUFFER_SIZE ) ); <a name="l00223"></a>00223 d->bIgnoreData = <span class="keyword">true</span>; <a name="l00224"></a>00224 <span class="keywordtype">bool</span> result = ( (<a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#Offset">QIODevice::Offset</a>)readBlock( dummy.data(), pos ) == pos ); <a name="l00225"></a>00225 d->bIgnoreData = <span class="keyword">false</span>; <a name="l00226"></a>00226 <span class="keywordflow">return</span> result; <a name="l00227"></a>00227 } <a name="l00228"></a>00228 <a name="l00229"></a>00229 <span class="keywordtype">bool</span> KFilterDev::atEnd()<span class="keyword"> const</span> <a name="l00230"></a>00230 <span class="keyword"></span>{ <a name="l00231"></a>00231 <span class="keywordflow">return</span> filter-><a class="code" href="classKFilterBase.html#f1fd3c777945555ec77ec6a74eb1d418" title="Returns the device on which the filter will work.">device</a>()-><a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#atEnd">atEnd</a>() && (d->result == KFilterBase::END) <a name="l00232"></a>00232 && d->ungetchBuffer.isEmpty(); <a name="l00233"></a>00233 } <a name="l00234"></a>00234 <a name="l00235"></a>00235 Q_LONG KFilterDev::readBlock( <span class="keywordtype">char</span> *data, Q_ULONG maxlen ) <a name="l00236"></a>00236 { <a name="l00237"></a>00237 Q_ASSERT ( filter-><a class="code" href="classKFilterBase.html#ea4a8777dfad1fb83e7785194b12b680">mode</a>() == IO_ReadOnly ); <a name="l00238"></a>00238 <span class="comment">//kdDebug(7005) << "KFilterDev::readBlock maxlen=" << maxlen << endl;</span> <a name="l00239"></a>00239 <a name="l00240"></a>00240 uint dataReceived = 0; <a name="l00241"></a>00241 <span class="keywordflow">if</span> ( !d->ungetchBuffer.isEmpty() ) <a name="l00242"></a>00242 { <a name="l00243"></a>00243 uint len = d->ungetchBuffer.length(); <a name="l00244"></a>00244 <span class="keywordflow">if</span> ( !d->bIgnoreData ) <a name="l00245"></a>00245 { <a name="l00246"></a>00246 <span class="keywordflow">while</span> ( ( dataReceived < len ) && ( dataReceived < maxlen ) ) <a name="l00247"></a>00247 { <a name="l00248"></a>00248 *data = d->ungetchBuffer[ len - dataReceived - 1 ]; <a name="l00249"></a>00249 data++; <a name="l00250"></a>00250 dataReceived++; <a name="l00251"></a>00251 } <a name="l00252"></a>00252 } <a name="l00253"></a>00253 <span class="keywordflow">else</span> <a name="l00254"></a>00254 { <a name="l00255"></a>00255 dataReceived = QMIN( len, maxlen ); <a name="l00256"></a>00256 } <a name="l00257"></a>00257 d->ungetchBuffer.truncate( len - dataReceived ); <a name="l00258"></a>00258 ioIndex += dataReceived; <a name="l00259"></a>00259 } <a name="l00260"></a>00260 <a name="l00261"></a>00261 <span class="comment">// If we came to the end of the stream</span> <a name="l00262"></a>00262 <span class="comment">// return what we got from the ungetchBuffer.</span> <a name="l00263"></a>00263 <span class="keywordflow">if</span> ( d->result == KFilterBase::END ) <a name="l00264"></a>00264 <span class="keywordflow">return</span> dataReceived; <a name="l00265"></a>00265 <a name="l00266"></a>00266 <span class="comment">// If we had an error, return -1.</span> <a name="l00267"></a>00267 <span class="keywordflow">if</span> ( d->result != KFilterBase::OK ) <a name="l00268"></a>00268 <span class="keywordflow">return</span> -1; <a name="l00269"></a>00269 <a name="l00270"></a>00270 <a name="l00271"></a>00271 Q_ULONG outBufferSize; <a name="l00272"></a>00272 <span class="keywordflow">if</span> ( d->bIgnoreData ) <a name="l00273"></a>00273 { <a name="l00274"></a>00274 outBufferSize = QMIN( maxlen, 3*BUFFER_SIZE ); <a name="l00275"></a>00275 } <a name="l00276"></a>00276 <span class="keywordflow">else</span> <a name="l00277"></a>00277 { <a name="l00278"></a>00278 outBufferSize = maxlen; <a name="l00279"></a>00279 } <a name="l00280"></a>00280 outBufferSize -= dataReceived; <a name="l00281"></a>00281 Q_ULONG availOut = outBufferSize; <a name="l00282"></a>00282 filter-><a class="code" href="classKFilterBase.html#5e284cc9076c690c5e0969e09ac0df1d">setOutBuffer</a>( data, outBufferSize ); <a name="l00283"></a>00283 <a name="l00284"></a>00284 <span class="keywordtype">bool</span> decompressedAll = <span class="keyword">false</span>; <a name="l00285"></a>00285 <span class="keywordflow">while</span> ( dataReceived < maxlen ) <a name="l00286"></a>00286 { <a name="l00287"></a>00287 <span class="keywordflow">if</span> (filter-><a class="code" href="classKFilterBase.html#a12c60c52a055cdb208178c61903de7e">inBufferEmpty</a>()) <a name="l00288"></a>00288 { <a name="l00289"></a>00289 <span class="comment">// Not sure about the best size to set there.</span> <a name="l00290"></a>00290 <span class="comment">// For sure, it should be bigger than the header size (see comment in readHeader)</span> <a name="l00291"></a>00291 d->buffer.resize( BUFFER_SIZE ); <a name="l00292"></a>00292 <span class="comment">// Request data from underlying device</span> <a name="l00293"></a>00293 <span class="keywordtype">int</span> size = filter-><a class="code" href="classKFilterBase.html#f1fd3c777945555ec77ec6a74eb1d418" title="Returns the device on which the filter will work.">device</a>()-><a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#readBlock">readBlock</a>( d->buffer.data(), <a name="l00294"></a>00294 d->buffer.size() ); <a name="l00295"></a>00295 filter-><a class="code" href="classKFilterBase.html#332c5aba58f0c01f588de41bb337e15c">setInBuffer</a>( d->buffer.data(), size ); <a name="l00296"></a>00296 <span class="comment">//kdDebug(7005) << "KFilterDev::readBlock got " << size << " bytes from device" << endl;</span> <a name="l00297"></a>00297 } <a name="l00298"></a>00298 <span class="keywordflow">if</span> (d->bNeedHeader) <a name="l00299"></a>00299 { <a name="l00300"></a>00300 (void) filter-><a class="code" href="classKFilterBase.html#d7b7580531a444442caf0daaaa27a283">readHeader</a>(); <a name="l00301"></a>00301 d->bNeedHeader = <span class="keyword">false</span>; <a name="l00302"></a>00302 } <a name="l00303"></a>00303 <a name="l00304"></a>00304 d->result = filter-><a class="code" href="classKFilterBase.html#6f29466c181fbf910a75b4775488b62e">uncompress</a>(); <a name="l00305"></a>00305 <a name="l00306"></a>00306 <span class="keywordflow">if</span> (d->result == KFilterBase::ERROR) <a name="l00307"></a>00307 { <a name="l00308"></a>00308 kdWarning(7005) << <span class="stringliteral">"KFilterDev: Error when uncompressing data"</span> << endl; <a name="l00309"></a>00309 <span class="keywordflow">break</span>; <a name="l00310"></a>00310 } <a name="l00311"></a>00311 <a name="l00312"></a>00312 <span class="comment">// We got that much data since the last time we went here</span> <a name="l00313"></a>00313 uint outReceived = availOut - filter-><a class="code" href="classKFilterBase.html#0a0bfb0a10281beeec6e2a2a65d32c22">outBufferAvailable</a>(); <a name="l00314"></a>00314 <span class="comment">//kdDebug(7005) << "avail_out = " << filter->outBufferAvailable() << " result=" << d->result << " outReceived=" << outReceived << endl;</span> <a name="l00315"></a>00315 <span class="keywordflow">if</span>( availOut < (uint)filter-><a class="code" href="classKFilterBase.html#0a0bfb0a10281beeec6e2a2a65d32c22">outBufferAvailable</a>() ) <a name="l00316"></a>00316 kdWarning(7005) << <span class="stringliteral">" last availOut "</span> << availOut << <span class="stringliteral">" smaller than new avail_out="</span> << filter-><a class="code" href="classKFilterBase.html#0a0bfb0a10281beeec6e2a2a65d32c22">outBufferAvailable</a>() << <span class="stringliteral">" !"</span> << endl; <a name="l00317"></a>00317 <a name="l00318"></a>00318 dataReceived += outReceived; <a name="l00319"></a>00319 <span class="keywordflow">if</span> ( !d->bIgnoreData ) <span class="comment">// Move on in the output buffer</span> <a name="l00320"></a>00320 { <a name="l00321"></a>00321 data += outReceived; <a name="l00322"></a>00322 availOut = maxlen - dataReceived; <a name="l00323"></a>00323 } <a name="l00324"></a>00324 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( maxlen - dataReceived < outBufferSize ) <a name="l00325"></a>00325 { <a name="l00326"></a>00326 availOut = maxlen - dataReceived; <a name="l00327"></a>00327 } <a name="l00328"></a>00328 ioIndex += outReceived; <a name="l00329"></a>00329 <span class="keywordflow">if</span> (d->result == KFilterBase::END) <a name="l00330"></a>00330 { <a name="l00331"></a>00331 <span class="comment">//kdDebug(7005) << "KFilterDev::readBlock got END. dataReceived=" << dataReceived << endl;</span> <a name="l00332"></a>00332 <span class="keywordflow">break</span>; <span class="comment">// Finished.</span> <a name="l00333"></a>00333 } <a name="l00334"></a>00334 <span class="keywordflow">if</span> (filter-><a class="code" href="classKFilterBase.html#a12c60c52a055cdb208178c61903de7e">inBufferEmpty</a>() && filter-><a class="code" href="classKFilterBase.html#0a0bfb0a10281beeec6e2a2a65d32c22">outBufferAvailable</a>() != 0 ) <a name="l00335"></a>00335 { <a name="l00336"></a>00336 <span class="keywordflow">if</span> (decompressedAll) <a name="l00337"></a>00337 { <a name="l00338"></a>00338 <span class="comment">// We decoded everything there was to decode. So -> done.</span> <a name="l00339"></a>00339 <span class="comment">//kdDebug(7005) << "Seems we're done. dataReceived=" << dataReceived << endl;</span> <a name="l00340"></a>00340 d->result = KFilterBase::END; <a name="l00341"></a>00341 <span class="comment">//break; // Breaks opening of tar.bz2 archives se #37194</span> <a name="l00342"></a>00342 } <a name="l00343"></a>00343 decompressedAll = <span class="keyword">true</span>; <a name="l00344"></a>00344 } <a name="l00345"></a>00345 filter-><a class="code" href="classKFilterBase.html#5e284cc9076c690c5e0969e09ac0df1d">setOutBuffer</a>( data, availOut ); <a name="l00346"></a>00346 } <a name="l00347"></a>00347 <a name="l00348"></a>00348 <span class="keywordflow">return</span> dataReceived; <a name="l00349"></a>00349 } <a name="l00350"></a>00350 <a name="l00351"></a>00351 Q_LONG KFilterDev::writeBlock( <span class="keyword">const</span> <span class="keywordtype">char</span> *data <span class="comment">/*0 to finish*/</span>, Q_ULONG len ) <a name="l00352"></a>00352 { <a name="l00353"></a>00353 Q_ASSERT ( filter-><a class="code" href="classKFilterBase.html#ea4a8777dfad1fb83e7785194b12b680">mode</a>() == IO_WriteOnly ); <a name="l00354"></a>00354 <span class="comment">// If we had an error, return 0.</span> <a name="l00355"></a>00355 <span class="keywordflow">if</span> ( d->result != KFilterBase::OK ) <a name="l00356"></a>00356 <span class="keywordflow">return</span> 0; <a name="l00357"></a>00357 <a name="l00358"></a>00358 <span class="keywordtype">bool</span> finish = (data == 0L); <a name="l00359"></a>00359 <span class="keywordflow">if</span> (!finish) <a name="l00360"></a>00360 { <a name="l00361"></a>00361 filter-><a class="code" href="classKFilterBase.html#332c5aba58f0c01f588de41bb337e15c">setInBuffer</a>( data, len ); <a name="l00362"></a>00362 <span class="keywordflow">if</span> (d->bNeedHeader) <a name="l00363"></a>00363 { <a name="l00364"></a>00364 (void)filter-><a class="code" href="classKFilterBase.html#ce5d6a0f735698d2a39d37deac54442c">writeHeader</a>( d->origFileName ); <a name="l00365"></a>00365 d->bNeedHeader = <span class="keyword">false</span>; <a name="l00366"></a>00366 } <a name="l00367"></a>00367 } <a name="l00368"></a>00368 <a name="l00369"></a>00369 uint dataWritten = 0; <a name="l00370"></a>00370 uint availIn = len; <a name="l00371"></a>00371 <span class="keywordflow">while</span> ( dataWritten < len || finish ) <a name="l00372"></a>00372 { <a name="l00373"></a>00373 <a name="l00374"></a>00374 d->result = filter-><a class="code" href="classKFilterBase.html#9640e78ba2da5e4aa34e928b426e16b8">compress</a>( finish ); <a name="l00375"></a>00375 <a name="l00376"></a>00376 <span class="keywordflow">if</span> (d->result == KFilterBase::ERROR) <a name="l00377"></a>00377 { <a name="l00378"></a>00378 kdWarning(7005) << <span class="stringliteral">"KFilterDev: Error when compressing data"</span> << endl; <a name="l00379"></a>00379 <span class="comment">// What to do ?</span> <a name="l00380"></a>00380 <span class="keywordflow">break</span>; <a name="l00381"></a>00381 } <a name="l00382"></a>00382 <a name="l00383"></a>00383 <span class="comment">// Wrote everything ?</span> <a name="l00384"></a>00384 <span class="keywordflow">if</span> (filter-><a class="code" href="classKFilterBase.html#a12c60c52a055cdb208178c61903de7e">inBufferEmpty</a>() || (d->result == KFilterBase::END)) <a name="l00385"></a>00385 { <a name="l00386"></a>00386 <span class="comment">// We got that much data since the last time we went here</span> <a name="l00387"></a>00387 uint wrote = availIn - filter-><a class="code" href="classKFilterBase.html#cef9fa1b419198bde5f9d8a433d7cd8e">inBufferAvailable</a>(); <a name="l00388"></a>00388 <a name="l00389"></a>00389 <span class="comment">//kdDebug(7005) << " Wrote everything for now. avail_in = " << filter->inBufferAvailable() << " result=" << d->result << " wrote=" << wrote << endl;</span> <a name="l00390"></a>00390 <a name="l00391"></a>00391 <span class="comment">// Move on in the input buffer</span> <a name="l00392"></a>00392 data += wrote; <a name="l00393"></a>00393 dataWritten += wrote; <a name="l00394"></a>00394 ioIndex += wrote; <a name="l00395"></a>00395 <a name="l00396"></a>00396 availIn = len - dataWritten; <a name="l00397"></a>00397 <span class="comment">//kdDebug(7005) << " KFilterDev::writeBlock availIn=" << availIn << " dataWritten=" << dataWritten << " ioIndex=" << ioIndex << endl;</span> <a name="l00398"></a>00398 <span class="keywordflow">if</span> ( availIn > 0 ) <span class="comment">// Not sure this will ever happen</span> <a name="l00399"></a>00399 filter-><a class="code" href="classKFilterBase.html#332c5aba58f0c01f588de41bb337e15c">setInBuffer</a>( data, availIn ); <a name="l00400"></a>00400 } <a name="l00401"></a>00401 <a name="l00402"></a>00402 <span class="keywordflow">if</span> (filter-><a class="code" href="classKFilterBase.html#3306151cd384bced7b3cc0b311c3c89d">outBufferFull</a>() || (d->result == KFilterBase::END)) <a name="l00403"></a>00403 { <a name="l00404"></a>00404 <span class="comment">//kdDebug(7005) << " KFilterDev::writeBlock writing to underlying. avail_out=" << filter->outBufferAvailable() << endl;</span> <a name="l00405"></a>00405 <span class="keywordtype">int</span> towrite = d->buffer.size() - filter-><a class="code" href="classKFilterBase.html#0a0bfb0a10281beeec6e2a2a65d32c22">outBufferAvailable</a>(); <a name="l00406"></a>00406 <span class="keywordflow">if</span> ( towrite > 0 ) <a name="l00407"></a>00407 { <a name="l00408"></a>00408 <span class="comment">// Write compressed data to underlying device</span> <a name="l00409"></a>00409 <span class="keywordtype">int</span> size = filter-><a class="code" href="classKFilterBase.html#f1fd3c777945555ec77ec6a74eb1d418" title="Returns the device on which the filter will work.">device</a>()-><a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qiodevice.html#writeBlock">writeBlock</a>( d->buffer.data(), towrite ); <a name="l00410"></a>00410 <span class="keywordflow">if</span> ( size != towrite ) { <a name="l00411"></a>00411 kdWarning(7005) << <span class="stringliteral">"KFilterDev::writeBlock. Could only write "</span> << size << <span class="stringliteral">" out of "</span> << towrite << <span class="stringliteral">" bytes"</span> << endl; <a name="l00412"></a>00412 <span class="keywordflow">return</span> 0; <span class="comment">// indicate an error (happens on disk full)</span> <a name="l00413"></a>00413 } <a name="l00414"></a>00414 <span class="comment">//else</span> <a name="l00415"></a>00415 <span class="comment">//kdDebug(7005) << " KFilterDev::writeBlock wrote " << size << " bytes" << endl;</span> <a name="l00416"></a>00416 } <a name="l00417"></a>00417 d->buffer.resize( 8*1024 ); <a name="l00418"></a>00418 filter-><a class="code" href="classKFilterBase.html#5e284cc9076c690c5e0969e09ac0df1d">setOutBuffer</a>( d->buffer.data(), d->buffer.size() ); <a name="l00419"></a>00419 <span class="keywordflow">if</span> (d->result == KFilterBase::END) <a name="l00420"></a>00420 { <a name="l00421"></a>00421 <span class="comment">//kdDebug(7005) << " KFilterDev::writeBlock END" << endl;</span> <a name="l00422"></a>00422 Q_ASSERT(finish); <span class="comment">// hopefully we don't get end before finishing</span> <a name="l00423"></a>00423 <span class="keywordflow">break</span>; <a name="l00424"></a>00424 } <a name="l00425"></a>00425 } <a name="l00426"></a>00426 } <a name="l00427"></a>00427 <a name="l00428"></a>00428 <span class="keywordflow">return</span> dataWritten; <a name="l00429"></a>00429 } <a name="l00430"></a>00430 <a name="l00431"></a>00431 <span class="keywordtype">int</span> KFilterDev::getch() <a name="l00432"></a>00432 { <a name="l00433"></a>00433 Q_ASSERT ( filter-><a class="code" href="classKFilterBase.html#ea4a8777dfad1fb83e7785194b12b680">mode</a>() == IO_ReadOnly ); <a name="l00434"></a>00434 <span class="comment">//kdDebug(7005) << "KFilterDev::getch" << endl;</span> <a name="l00435"></a>00435 <span class="keywordflow">if</span> ( !d->ungetchBuffer.isEmpty() ) { <a name="l00436"></a>00436 <span class="keywordtype">int</span> len = d->ungetchBuffer.length(); <a name="l00437"></a>00437 <span class="keywordtype">int</span> ch = d->ungetchBuffer[ len-1 ]; <a name="l00438"></a>00438 d->ungetchBuffer.truncate( len - 1 ); <a name="l00439"></a>00439 ioIndex++; <a name="l00440"></a>00440 <span class="comment">//kdDebug(7005) << "KFilterDev::getch from ungetch: " << QString(QChar(ch)) << endl;</span> <a name="l00441"></a>00441 <span class="keywordflow">return</span> ch; <a name="l00442"></a>00442 } <a name="l00443"></a>00443 <span class="keywordtype">char</span> buf[1]; <a name="l00444"></a>00444 <span class="keywordtype">int</span> ret = readBlock( buf, 1 ) == 1 ? buf[0] : EOF; <a name="l00445"></a>00445 <span class="comment">//kdDebug(7005) << "KFilterDev::getch ret=" << QString(QChar(ret)) << endl;</span> <a name="l00446"></a>00446 <span class="keywordflow">return</span> ret; <a name="l00447"></a>00447 } <a name="l00448"></a>00448 <a name="l00449"></a>00449 <span class="keywordtype">int</span> KFilterDev::putch( <span class="keywordtype">int</span> c ) <a name="l00450"></a>00450 { <a name="l00451"></a>00451 <span class="comment">//kdDebug(7005) << "KFilterDev::putch" << endl;</span> <a name="l00452"></a>00452 <span class="keywordtype">char</span> buf[1]; <a name="l00453"></a>00453 buf[0] = c; <a name="l00454"></a>00454 <span class="keywordflow">return</span> writeBlock( buf, 1 ) == 1 ? c : -1; <a name="l00455"></a>00455 } <a name="l00456"></a>00456 <a name="l00457"></a>00457 <span class="keywordtype">int</span> KFilterDev::ungetch( <span class="keywordtype">int</span> ch ) <a name="l00458"></a>00458 { <a name="l00459"></a>00459 <span class="comment">//kdDebug(7005) << "KFilterDev::ungetch " << QString(QChar(ch)) << endl;</span> <a name="l00460"></a>00460 <span class="keywordflow">if</span> ( ch == EOF ) <span class="comment">// cannot unget EOF</span> <a name="l00461"></a>00461 <span class="keywordflow">return</span> ch; <a name="l00462"></a>00462 <a name="l00463"></a>00463 <span class="comment">// pipe or similar => we cannot ungetch, so do it manually</span> <a name="l00464"></a>00464 d->ungetchBuffer +=ch; <a name="l00465"></a>00465 ioIndex--; <a name="l00466"></a>00466 <span class="keywordflow">return</span> ch; <a name="l00467"></a>00467 } <a name="l00468"></a>00468 <a name="l00469"></a><a class="code" href="classKFilterDev.html#c48b10dd86024843e29b1ae263d4a457">00469</a> <span class="keywordtype">void</span> <a class="code" href="classKFilterDev.html#c48b10dd86024843e29b1ae263d4a457" title="For writing gzip compressed files only: set the name of the original file, to be...">KFilterDev::setOrigFileName</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:/usr/lib/qt3/doc/html/" href="/usr/lib/qt3/doc/html/qcstring.html">QCString</a> & fileName ) <a name="l00470"></a>00470 { <a name="l00471"></a>00471 d->origFileName = fileName; <a name="l00472"></a>00472 } <a name="l00473"></a>00473 <a name="l00474"></a><a class="code" href="classKFilterDev.html#d4d43dc1c8ceae1159723b624cc4f4f3">00474</a> <span class="keywordtype">void</span> <a class="code" href="classKFilterDev.html#d4d43dc1c8ceae1159723b624cc4f4f3" title="Call this let this device skip the gzip headers when reading/writing.">KFilterDev::setSkipHeaders</a>() <a name="l00475"></a>00475 { <a name="l00476"></a>00476 d->bSkipHeaders = <span class="keyword">true</span>; <a name="l00477"></a>00477 } </pre></div></div> </div></div> </td> </tr> <tr> <td valign="top" id="leftmenu" width="25%"> <a name="navigation"></a> <div class="menu_box"><h2>kio/kio</h2> <div class="nav_list"> <ul><li><a href="index.html">Main Page</a></li><li><a href="modules.html">Modules</a></li><li><a href="namespaces.html">Namespace List</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 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