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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commite9ae80694875f869892f13f4fcaf1170a00dea41 (patch)
treeaa2f8d8a217e2d376224c8d46b7397b68d35de2d /klinkstatus/src/engine/linkchecker.h
downloadtdewebdev-e9ae80694875f869892f13f4fcaf1170a00dea41.tar.gz
tdewebdev-e9ae80694875f869892f13f4fcaf1170a00dea41.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdewebdev@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/***************************************************************************
+ * Copyright (C) 2004 by Paulo Moura Guedes *
+ * *
+ * 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; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * 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; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
+ ***************************************************************************/
+#ifndef LINKCHECKER_H
+#define LINKCHECKER_H
+
+#include <qobject.h>
+#include <qthread.h>
+#include <qstring.h>
+
+#include <kio/jobclasses.h>
+class KHTMLPart;
+
+#include "../parser/http.h"
+#include "linkstatus.h"
+class SearchManager;
+
+#include <iostream>
+using namespace std;
+
+/**
+@author Paulo Moura Guedes
+*/
+class LinkChecker : public QObject
+{
+ Q_OBJECT
+public:
+ LinkChecker(LinkStatus* linkstatus, int time_out = 50,
+ QObject *parent = 0, const char *name = 0);
+ ~LinkChecker();
+
+ //virtual void run();
+ void check();
+ void setSearchManager(SearchManager* search_manager);
+
+ LinkStatus const* linkStatus() const;
+
+ static bool hasAnchor(KHTMLPart* html_part, QString const& anchor);
+
+signals:
+
+ void transactionFinished(const LinkStatus * linkstatus,
+ LinkChecker * checker);
+ void jobFinnished(LinkChecker * checker);
+
+protected slots:
+
+ void slotData(KIO::Job *, const QByteArray &data);
+ void slotRedirection (KIO::Job *, const KURL &url);
+ void slotMimetype(KIO::Job *, const QString &type);
+ void slotResult(KIO::Job* job);
+ void slotTimeOut();
+
+protected:
+
+ void finnish();
+ HttpResponseHeader getHttpHeader(KIO::Job* job, bool remember_check = true);
+ void checkRef(); // #...
+
+private:
+
+ LinkStatus::Status getHttpStatus() const;
+ void checkRef(LinkStatus const* linkstatus_parent);
+ void checkRef(KURL const& url);
+ void killJob();
+ /**
+ * @param url
+ * @return false if the redirection was already checked by the search manager
+ */
+ bool processRedirection(KURL const& url);
+
+ void findDocumentCharset(QString const& data);
+
+private:
+
+ SearchManager* search_manager_;
+ LinkStatus* const linkstatus_;
+ KIO::TransferJob* t_job_;
+ int time_out_;
+ LinkChecker* checker_;
+ QString document_charset_;
+/* A redirection has appened, with the current URL. Several redirections
+ can happen until the final URL is reached.*/
+ bool redirection_;
+ KURL redirection_url_;
+ QString doc_html_;
+ bool header_checked_;
+ bool finnished_;
+ bool parsing_;
+
+ /**
+ * Whether the charset of the document is already checked.
+ * (e.g. <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>)
+ */
+ bool is_charset_checked_;
+ /**
+ * Wheter the page define the enconding (latin1, utf8, etc).
+ * According to the spec (http://www.w3.org/TR/html4/charset.html),
+ * it first check the server response and then the info in the html meta element.
+ */
+ bool has_defined_charset_;
+
+ static int count_; // debug attribute that counts how many links were checked
+};
+
+inline LinkStatus const* LinkChecker::linkStatus() const
+{
+ return linkstatus_;
+}
+
+
+#endif