summaryrefslogtreecommitdiffstats
path: root/libkcal/icalformat.h
blob: c35da5eb101f79ce61aeb65094fc8ebb48231554 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
/*
    This file is part of libkcal.

    Copyright (c) 2001-2003 Cornelius Schumacher <schumacher@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/
#ifndef KCAL_ICALFORMAT_H
#define KCAL_ICALFORMAT_H

#include <tqstring.h>

#include "scheduler.h"

#include "calformat.h"
#include <kdepimmacros.h>

namespace KCal {

class ICalFormatImpl;
class FreeBusy;

/**
  This class implements the iCalendar format. It provides methods for
  loading/saving/converting iCalendar format data into the internal KOrganizer
  representation as Calendar and Events.

  @short iCalendar format implementation
*/
class LIBKCAL_EXPORT ICalFormat : public CalFormat
{
  public:
    ICalFormat();
    virtual ~ICalFormat();

    /**
      Loads a calendar on disk in iCalendar format into calendar.
      Returns true if successful, else returns false. Provides more error
      information by exception().

      @param calendar Calendar object to be filled.
      @param fileName The name of the calendar file on disk.
    */
    bool load( Calendar * calendar, const TQString &fileName );
    /**
      Writes out the calendar to disk in iCalendar format. Returns true if
      successful and false on error.
     
      @param calendar The Calendar object to be written.
      @param fileName The name of the calendar file on disk.
    */
    bool save( Calendar * calendar, const TQString &fileName );

    /**
      Parse string and populate calendar with that information.
    */
    bool fromString( Calendar * calendar, const TQString & );

    /**
      Parse string and return first ical component.
    */
    Incidence *fromString( const TQString & );

    /**
      Return calendar information as string.
    */
    TQString toString( Calendar * );
    /**
      Return incidence as full iCalendar formatted text.
    */
    TQString toICalString( Incidence * );
    /**
      Return incidence as iCalendar formatted text.
    */
    TQString toString( Incidence * );
    /**
      Return recurrence rule as iCalendar formatted text.
    */
    TQString toString( RecurrenceRule * );
    /**
      Parse string and fill recurrence object with
      that information
    */
    bool fromString ( RecurrenceRule *, const TQString& );
  
    /**
      Create a scheduling message for event @p e using method @p m.
    */
    TQString createScheduleMessage(IncidenceBase *e,Scheduler::Method m);
    /**
      Parse scheduling message provided as string @p s.
    */
    ScheduleMessage *parseScheduleMessage( Calendar *, const TQString &s);

    /**
      Parse FREEBUSY object.
    */
    FreeBusy *parseFreeBusy( const TQString & );

    /**
      Set id of used time zone and whether this time zone is UTC or not.
    */
    void setTimeZone( const TQString &id, bool utc );
    /**
      Return id string of timezone used.
    */
    TQString timeZoneId() const;
    /**
      Return true if timezone used is UTC, otherwise return false.
    */
    bool utc() const;

  protected:
    /**
      Parse string and return first ical component of a raw byte array of 
      a utf8 encoded string. This is an overload used for efficiency reading
      to avoid utf8 conversions, which are expensive, when reading from disk.
    */
    bool fromRawString( Calendar * calendar, const TQCString & );
    void setImplementation( ICalFormatImpl *impl );

  private:
    ICalFormatImpl *mImpl;

    TQString mTimeZoneId;
    bool mUtc;

    class Private;
    Private *d;
};

}

#endif