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133 lines
3.4 KiB
133 lines
3.4 KiB
/*
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* This is a simple tdeioslave to handle mbox-files.
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* Copyright (C) 2004 Mart Kelder (mart.kde@hccnet.nl)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef READMBOX_H
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#define READMBOX_H
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#include "mboxfile.h"
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class UrlInfo;
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class MBox;
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class TQFile;
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class TQString;
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class TQTextStream;
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struct utimbuf;
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/**
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* This class handels reading from a mbox-file.
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*/
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class ReadMBox : public MBoxFile
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{
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public:
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/**
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* Constructor
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*
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* @param info The information of the file to read
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* @param parent The instance of the parent MBoxProtocol.
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* @param onlynew Only read new messages from the MBox file.
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* @param savetime If true, the atime of the mbox-file is preserved (note that this touch the ctime).
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*/
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ReadMBox( const UrlInfo* info, MBoxProtocol* parent, bool onlynew = false, bool savetime = false );
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/**
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* Destructor
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*/
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~ReadMBox();
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/**
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* This functions return the current line
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* @return The line last read, or TQString() if there wasn't such last line
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*/
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TQString currentLine() const;
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/**
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* This function returns the current id. The id is the first line of an email,
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* and is used in filenaming. The id normally starts with "From ".
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* @return The current ID, or TQString() if no id was found yet.
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*/
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TQString currentID() const;
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/**
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* This function reads the next line. The next line can be read by the currentLine()
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* function call.
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*
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* @return true if succesfull, otherwise false.
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*/
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bool nextLine();
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/**
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* This function search the file for a certain id.
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* If not found, the position is EOF.
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* @param id The id of the message to be found.
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* @return true if the message was found, false otherwise.
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*/
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bool searchMessage( const TQString& id );
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/**
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* Skips all lines which belongs to the current message. The cursor is on the first line
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* of a new message message at the end of this function, or at EOF if the cursor was already
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* on the last message.
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* @return The number of bytes read while skipping the message.
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*/
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unsigned int skipMessage();
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/**
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* Sets the cursor back to the beginning of the file
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*/
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void rewind();
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/**
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* Returns true if the cursor is at EOF.
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* @return true if and only if the cursor is at EOF.
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*/
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bool atEnd() const;
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/**
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* Return true if the message is a new message, or all messages are listed
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* @return true if it must be listed
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*/
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bool inListing() const;
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private:
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/**
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* Opens a file
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* @return true Returns true if opening was succesful.
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*/
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bool open( bool savetime );
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/**
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* Closes a file.
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*/
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void close();
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private:
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TQFile* m_file;
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TQTextStream* m_stream;
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TQString* m_current_line;
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TQString* m_current_id;
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bool m_atend;
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struct utimbuf* m_prev_time;
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bool m_only_new, m_savetime;
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bool m_status, m_prev_status, m_header;
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};
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#endif
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