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/* This file is part of the KDE project
* Copyright (C) 2001, 2002 Rolf Magnus <ramagnus@kde.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation version 2.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* $Id$
*/
#include "kfile_html.h"
#include "kfile_html.moc"
#include <kgenericfactory.h>
#include <kmimetype.h>
#include <kurl.h>
#include <kprocess.h>
#include <kdebug.h>
#include <qcstring.h>
#include <qfile.h>
#include <qregexp.h>
#include <qtextcodec.h>
typedef KGenericFactory<KHtmlPlugin> HtmlFactory;
K_EXPORT_COMPONENT_FACTORY( kfile_html, HtmlFactory( "kfile_html" ) )
KHtmlPlugin::KHtmlPlugin( QObject *parent, const char *name,
const QStringList &args )
: KFilePlugin( parent, name, args )
{
kdDebug(7034) << "html plugin\n";
KFileMimeTypeInfo* info = addMimeTypeInfo("text/html");
KFileMimeTypeInfo::GroupInfo* group;
KFileMimeTypeInfo::ItemInfo* item;
group = addGroupInfo(info, "General", i18n("General"));
addItemInfo(group, "Doctype", i18n("Document Type"), QVariant::String);
addItemInfo(group, "Javascript", i18n("JavaScript"), QVariant::Bool);
item = addItemInfo(group, "Title", i18n("Title"), QVariant::String);
setHint(item, KFileMimeTypeInfo::Name);
group = addGroupInfo(info, "Metatags", i18n("Meta Tags"));
addVariableInfo(group, QVariant::String, 0);
}
bool KHtmlPlugin::readInfo( KFileMetaInfo& info, uint )
{
if ( info.path().isEmpty() ) // remote file
return false;
QFile f(info.path());
if (!f.open(IO_ReadOnly))
return false;
// we're only interested in the header, so just read until before </head>
// or until <body> if the author forgot it
// In this case, it's better to limit the size of the buffer to something
// sensible. Think a 0-filled 3GB file with an .html extension.
int maxBufSize = QMIN(f.size(), 32768);
QByteArray data(maxBufSize + 1);
f.readBlock(data.data(), maxBufSize);
data[maxBufSize]='\0';
QString s(data);
int start=0, last=0;
QRegExp exp;
exp.setCaseSensitive(false);
exp.setMinimal(true);
KFileMetaInfoGroup group = appendGroup(info, "General");
exp.setPattern("\\s*<\\s*!doctype\\s*([^>]*)\\s*>");
if (exp.search(s, last) != -1)
{
kdDebug(7034) << "DocType: " << exp.capturedTexts().join("-") << endl;
appendItem(group, "Doctype", exp.cap(1));
last += exp.matchedLength();
}
QString title;
exp.setPattern("<\\s*title\\s*>\\s*(.*)\\s*<\\s*/\\s*title\\s*>");
if (exp.search(s, last) != -1)
{
title = exp.cap(1);
last += exp.matchedLength();
}
KFileMetaInfoGroup metatags = appendGroup(info, "Metatags");
QString meta, name, content;
exp.setPattern("<\\s*meta\\s*([^>]*)\\s*>");
QRegExp rxName("(?:name|http-equiv)\\s*=\\s*\"([^\"]+)\"", false);
QRegExp rxContent("content\\s*=\\s*\"([^\"]+)\"", false);
QRegExp rxCharset("charset\\s*=\\s*(.*)", false);
QTextCodec *codec = 0;
// find the meta tags
last = 0;
while (1)
{
if ((start=exp.search(s, last)) == -1)
break;
meta = exp.cap(1);
last = start+exp.matchedLength();
kdDebug(7034) << "Found Meta: " << meta << endl;
if (rxName.search(meta) == -1)
continue;
name = rxName.cap(1);
if (rxContent.search(meta) == -1)
continue;
content = rxContent.cap(1);
appendItem(metatags, name, content.left(50));
// check if it has a charset defined
if ( rxCharset.search(content) != -1 )
{
kdDebug(7034) << "CodecForName : " << rxCharset.cap(1) << endl;
codec = QTextCodec::codecForName(rxCharset.cap(1).ascii());
}
}
if ( ! title.isEmpty() )
{
if ( codec )
{
title = codec->toUnicode(title.ascii());
kdDebug(7034) << "Codec : " << codec->name() << endl;
}
appendItem(group, "Title", title);
}
// find out if it contains javascript
exp.setPattern("<script>");
appendItem(group, "Javascript", QVariant( s.find(exp)!=-1, 42));
return true;
}
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