1 files changed, 128 insertions, 0 deletions
diff --git a/klinkstatus/src/engine/linkchecker.h b/klinkstatus/src/engine/linkchecker.h
new file mode 100644
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+++ b/klinkstatus/src/engine/linkchecker.h
@@ -0,0 +1,128 @@
+/***************************************************************************
+ *   Copyright (C) 2004 by Paulo Moura Guedes                                     *
+ *   moura@kdewebdev.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; 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