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<h1 class="title">ftpreply.cpp Example File</h1>
<span class="small-subtitle">webkit/webftpclient/ftpreply.cpp</span>
<!-- $$$webkit/webftpclient/ftpreply.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** &quot;Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.&quot;
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include &lt;QTextDocument&gt;</span>
<span class="preprocessor">#include &lt;QtNetwork&gt;</span>
<span class="preprocessor">#include &quot;ftpreply.h&quot;</span>
FtpReply<span class="operator">::</span>FtpReply(<span class="keyword">const</span> <span class="type"><a href="qurl.html">QUrl</a></span> <span class="operator">&amp;</span>url)
: <span class="type"><a href="qnetworkreply.html">QNetworkReply</a></span>()
{
ftp <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qftp.html">QFtp</a></span>(<span class="keyword">this</span>);
connect(ftp<span class="operator">,</span> SIGNAL(listInfo(<span class="type"><a href="qurlinfo.html">QUrlInfo</a></span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(processListInfo(<span class="type"><a href="qurlinfo.html">QUrlInfo</a></span>)));
connect(ftp<span class="operator">,</span> SIGNAL(readyRead())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(processData()));
connect(ftp<span class="operator">,</span> SIGNAL(commandFinished(<span class="type">int</span><span class="operator">,</span> <span class="type">bool</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(processCommand(<span class="type">int</span><span class="operator">,</span> <span class="type">bool</span>)));
offset <span class="operator">=</span> <span class="number">0</span>;
units <span class="operator">=</span> <span class="type"><a href="qstringlist.html">QStringList</a></span>() <span class="operator">&lt;</span><span class="operator">&lt;</span> tr(<span class="string">&quot;bytes&quot;</span>) <span class="operator">&lt;</span><span class="operator">&lt;</span> tr(<span class="string">&quot;K&quot;</span>) <span class="operator">&lt;</span><span class="operator">&lt;</span> tr(<span class="string">&quot;M&quot;</span>) <span class="operator">&lt;</span><span class="operator">&lt;</span> tr(<span class="string">&quot;G&quot;</span>)
<span class="operator">&lt;</span><span class="operator">&lt;</span> tr(<span class="string">&quot;Ti&quot;</span>) <span class="operator">&lt;</span><span class="operator">&lt;</span> tr(<span class="string">&quot;Pi&quot;</span>) <span class="operator">&lt;</span><span class="operator">&lt;</span> tr(<span class="string">&quot;Ei&quot;</span>) <span class="operator">&lt;</span><span class="operator">&lt;</span> tr(<span class="string">&quot;Zi&quot;</span>)
<span class="operator">&lt;</span><span class="operator">&lt;</span> tr(<span class="string">&quot;Yi&quot;</span>);
setUrl(url);
ftp<span class="operator">-</span><span class="operator">&gt;</span>connectToHost(url<span class="operator">.</span>host());
}
<span class="type">void</span> FtpReply<span class="operator">::</span>processCommand(<span class="type">int</span><span class="operator">,</span> <span class="type">bool</span> err)
{
<span class="keyword">if</span> (err) {
setError(ContentNotFoundError<span class="operator">,</span> tr(<span class="string">&quot;Unknown command&quot;</span>));
<span class="keyword">emit</span> error(ContentNotFoundError);
<span class="keyword">return</span>;
}
<span class="keyword">switch</span> (ftp<span class="operator">-</span><span class="operator">&gt;</span>currentCommand()) {
<span class="keyword">case</span> <span class="type"><a href="qftp.html">QFtp</a></span><span class="operator">::</span>ConnectToHost:
ftp<span class="operator">-</span><span class="operator">&gt;</span>login();
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qftp.html">QFtp</a></span><span class="operator">::</span>Login:
ftp<span class="operator">-</span><span class="operator">&gt;</span>list(url()<span class="operator">.</span>path());
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qftp.html">QFtp</a></span><span class="operator">::</span>List:
<span class="keyword">if</span> (items<span class="operator">.</span>size() <span class="operator">=</span><span class="operator">=</span> <span class="number">1</span>)
ftp<span class="operator">-</span><span class="operator">&gt;</span>get(url()<span class="operator">.</span>path());
<span class="keyword">else</span>
setListContent();
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qftp.html">QFtp</a></span><span class="operator">::</span>Get:
setContent();
<span class="keyword">default</span>:
;
}
}
<span class="type">void</span> FtpReply<span class="operator">::</span>processListInfo(<span class="keyword">const</span> <span class="type"><a href="qurlinfo.html">QUrlInfo</a></span> <span class="operator">&amp;</span>urlInfo)
{
items<span class="operator">.</span>append(urlInfo);
}
<span class="type">void</span> FtpReply<span class="operator">::</span>processData()
{
content <span class="operator">+</span><span class="operator">=</span> ftp<span class="operator">-</span><span class="operator">&gt;</span>readAll();
}
<span class="type">void</span> FtpReply<span class="operator">::</span>setContent()
{
open(ReadOnly <span class="operator">|</span> Unbuffered);
setHeader(<span class="type"><a href="qnetworkrequest.html">QNetworkRequest</a></span><span class="operator">::</span>ContentLengthHeader<span class="operator">,</span> <span class="type"><a href="qvariant.html">QVariant</a></span>(content<span class="operator">.</span>size()));
<span class="keyword">emit</span> readyRead();
<span class="keyword">emit</span> finished();
ftp<span class="operator">-</span><span class="operator">&gt;</span>close();
}
<span class="type">void</span> FtpReply<span class="operator">::</span>setListContent()
{
<span class="type"><a href="qurl.html">QUrl</a></span> u <span class="operator">=</span> url();
<span class="keyword">if</span> (<span class="operator">!</span>u<span class="operator">.</span>path()<span class="operator">.</span>endsWith(<span class="string">&quot;/&quot;</span>))
u<span class="operator">.</span>setPath(u<span class="operator">.</span>path() <span class="operator">+</span> <span class="string">&quot;/&quot;</span>);
<span class="type"><a href="qstring.html">QString</a></span> base_url <span class="operator">=</span> url()<span class="operator">.</span>toString();
<span class="type"><a href="qstring.html">QString</a></span> base_path <span class="operator">=</span> u<span class="operator">.</span>path();
open(ReadOnly <span class="operator">|</span> Unbuffered);
<span class="type"><a href="qstring.html">QString</a></span> content(
<span class="string">&quot;&lt;html&gt;\n&quot;</span>
<span class="string">&quot;&lt;head&gt;\n&quot;</span>
<span class="string">&quot; &lt;title&gt;&quot;</span> <span class="operator">+</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>escape(base_url) <span class="operator">+</span> <span class="string">&quot;&lt;/title&gt;\n&quot;</span>
<span class="string">&quot; &lt;style type=\&quot;text/css\&quot;&gt;\n&quot;</span>
<span class="string">&quot; th { background-color: #aaaaaa; color: black }\n&quot;</span>
<span class="string">&quot; table { border: solid 1px #aaaaaa }\n&quot;</span>
<span class="string">&quot; tr.odd { background-color: #dddddd; color: black\n }\n&quot;</span>
<span class="string">&quot; tr.even { background-color: white; color: black\n }\n&quot;</span>
<span class="string">&quot; &lt;/style&gt;\n&quot;</span>
<span class="string">&quot;&lt;/head&gt;\n\n&quot;</span>
<span class="string">&quot;&lt;body&gt;\n&quot;</span>
<span class="string">&quot;&lt;h1&gt;&quot;</span> <span class="operator">+</span> tr(<span class="string">&quot;Listing for %1&quot;</span>)<span class="operator">.</span>arg(base_path) <span class="operator">+</span> <span class="string">&quot;&lt;/h1&gt;\n\n&quot;</span>
<span class="string">&quot;&lt;table align=\&quot;center\&quot; cellspacing=\&quot;0\&quot; width=\&quot;90%\&quot;&gt;\n&quot;</span>
<span class="string">&quot;&lt;tr&gt;&lt;th&gt;Name&lt;/th&gt;&lt;th&gt;Size&lt;/th&gt;&lt;/tr&gt;\n&quot;</span>);
<span class="type"><a href="qurl.html">QUrl</a></span> parent <span class="operator">=</span> u<span class="operator">.</span>resolved(<span class="type"><a href="qurl.html">QUrl</a></span>(<span class="string">&quot;..&quot;</span>));
<span class="keyword">if</span> (parent<span class="operator">.</span>isParentOf(u))
content <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">&quot;&lt;tr&gt;&lt;td&gt;&lt;strong&gt;&lt;a href=\&quot;&quot;</span> <span class="operator">+</span> parent<span class="operator">.</span>toString() <span class="operator">+</span> <span class="string">&quot;\&quot;&gt;&quot;</span>
<span class="operator">+</span> tr(<span class="string">&quot;Parent directory&quot;</span>) <span class="operator">+</span> <span class="string">&quot;&lt;/a&gt;&lt;/strong&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;\n&quot;</span>);
<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>;
foreach (<span class="keyword">const</span> <span class="type"><a href="qurlinfo.html">QUrlInfo</a></span> <span class="operator">&amp;</span>item<span class="operator">,</span> items) {
<span class="type"><a href="qurl.html">QUrl</a></span> child <span class="operator">=</span> u<span class="operator">.</span>resolved(<span class="type"><a href="qurl.html">QUrl</a></span>(item<span class="operator">.</span>name()));
<span class="keyword">if</span> (i <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>)
content <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">&quot;&lt;tr class=\&quot;odd\&quot;&gt;&quot;</span>);
<span class="keyword">else</span>
content <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">&quot;&lt;tr class=\&quot;even\&quot;&gt;&quot;</span>);
content <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">&quot;&lt;td&gt;&lt;a href=\&quot;&quot;</span> <span class="operator">+</span> child<span class="operator">.</span>toString() <span class="operator">+</span> <span class="string">&quot;\&quot;&gt;&quot;</span>
<span class="operator">+</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>escape(item<span class="operator">.</span>name()) <span class="operator">+</span> <span class="string">&quot;&lt;/a&gt;&lt;/td&gt;&quot;</span>);
<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> size <span class="operator">=</span> item<span class="operator">.</span>size();
<span class="type">int</span> unit <span class="operator">=</span> <span class="number">0</span>;
<span class="keyword">while</span> (size) {
<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> new_size <span class="operator">=</span> size<span class="operator">/</span><span class="number">1024</span>;
<span class="keyword">if</span> (new_size <span class="operator">&amp;</span><span class="operator">&amp;</span> unit <span class="operator">&lt;</span> units<span class="operator">.</span>size()) {
size <span class="operator">=</span> new_size;
unit <span class="operator">+</span><span class="operator">=</span> <span class="number">1</span>;
} <span class="keyword">else</span>
<span class="keyword">break</span>;
}
<span class="keyword">if</span> (item<span class="operator">.</span>isFile())
content <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">&quot;&lt;td&gt;&quot;</span> <span class="operator">+</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>number(size) <span class="operator">+</span> <span class="string">&quot; &quot;</span>
<span class="operator">+</span> units<span class="operator">[</span>unit<span class="operator">]</span> <span class="operator">+</span> <span class="string">&quot;&lt;/td&gt;&lt;/tr&gt;\n&quot;</span>);
<span class="keyword">else</span>
content <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">&quot;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;\n&quot;</span>);
i <span class="operator">=</span> <span class="number">1</span> <span class="operator">-</span> i;
}
content <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">&quot;&lt;/table&gt;\n&quot;</span>
<span class="string">&quot;&lt;/body&gt;\n&quot;</span>
<span class="string">&quot;&lt;/html&gt;\n&quot;</span>);
<span class="keyword">this</span><span class="operator">-</span><span class="operator">&gt;</span>content <span class="operator">=</span> content<span class="operator">.</span>toUtf8();
setHeader(<span class="type"><a href="qnetworkrequest.html">QNetworkRequest</a></span><span class="operator">::</span>ContentTypeHeader<span class="operator">,</span> <span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="string">&quot;text/html; charset=UTF-8&quot;</span>));
setHeader(<span class="type"><a href="qnetworkrequest.html">QNetworkRequest</a></span><span class="operator">::</span>ContentLengthHeader<span class="operator">,</span> <span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="keyword">this</span><span class="operator">-</span><span class="operator">&gt;</span>content<span class="operator">.</span>size()));
<span class="keyword">emit</span> readyRead();
<span class="keyword">emit</span> finished();
ftp<span class="operator">-</span><span class="operator">&gt;</span>close();
}
<span class="comment">// QIODevice methods</span>
<span class="type">void</span> FtpReply<span class="operator">::</span>abort()
{
}
<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> FtpReply<span class="operator">::</span>bytesAvailable() <span class="keyword">const</span>
{
<span class="keyword">return</span> content<span class="operator">.</span>size() <span class="operator">-</span> offset <span class="operator">+</span> <span class="type"><a href="qiodevice.html">QIODevice</a></span><span class="operator">::</span>bytesAvailable();
}
<span class="type">bool</span> FtpReply<span class="operator">::</span>isSequential() <span class="keyword">const</span>
{
<span class="keyword">return</span> <span class="keyword">true</span>;
}
<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> FtpReply<span class="operator">::</span>readData(<span class="type">char</span> <span class="operator">*</span>data<span class="operator">,</span> <span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> maxSize)
{
<span class="keyword">if</span> (offset <span class="operator">&lt;</span> content<span class="operator">.</span>size()) {
<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> number <span class="operator">=</span> <a href="qtglobal.html#qMin">qMin</a>(maxSize<span class="operator">,</span> content<span class="operator">.</span>size() <span class="operator">-</span> offset);
memcpy(data<span class="operator">,</span> content<span class="operator">.</span>constData() <span class="operator">+</span> offset<span class="operator">,</span> number);
offset <span class="operator">+</span><span class="operator">=</span> number;
<span class="keyword">return</span> number;
} <span class="keyword">else</span>
<span class="keyword">return</span> <span class="operator">-</span><span class="number">1</span>;
}</pre>
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<!-- @@@webkit/webftpclient/ftpreply.cpp -->
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