src/python/Store.py

   1 #!/usr/bin/env python
   2 # -*- Mode: python -*-
   3 #======================================================================
   4 # FILE: Store.py
   5 # CREATOR: eric
   6 #
   7 # DESCRIPTION:
   8 #
   9 #
  10 #  $Id: Store.py,v 1.4 2002-07-08 17:56:11 acampi Exp $
  11 #  $Locker:  $
  12 #
  13 # (C) COPYRIGHT 2001, Eric Busboom <eric@softwarestudio.org>
  14 # (C) COPYRIGHT 2001, Patrick Lewis <plewis@inetarena.com>
  15 #
  16 # This program is free software; you can redistribute it and/or modify
  17 # it under the terms of either:
  18 #
  19 #    The LGPL as published by the Free Software Foundation, version
  20 #    2.1, available at: http://www.fsf.org/copyleft/lesser.html
  21 #
  22 #  Or:
  23 #
  24 #    The Mozilla Public License Version 1.0. You may obtain a copy of
  25 #    the License at http://www.mozilla.org/MPL/
  26 #======================================================================
  27
  28 from LibicalWrap import *
  29 from Error import LibicalError
  30 from Component import Component, CloneComponent
  31 from Gauge import Gauge
  32
  33 class Store:
  34     """
  35     Base class for several component storage methods
  36     """
  37
  38     class AddFailedError(LibicalError):
  39         "Failed to add a property to the file store"
  40
  41     class ConstructorFailedError(LibicalError):
  42         "Failed to create a Store "
  43
  44     def __init__(self):
  45         pass
  46
  47     def path(self):
  48         pass
  49
  50     def mark(self):
  51         pass
  52
  53     def commit(self):
  54         pass
  55
  56     def add_component(self, comp):
  57         pass
  58
  59     def remove_component(self, comp):
  60         pass
  61
  62     def count_components(self, kind):
  63         pass
  64
  65     def select(self, gauge):
  66         pass
  67
  68     def clearSelect(self):
  69         pass
  70
  71     def fetch(self, uid):
  72         pass
  73
  74     def fetchMatch(self, comp):
  75         pass
  76
  77     def modify(self, oldc, newc):
  78         pass
  79
  80     def current_component(self):
  81         pass
  82
  83     def first_component(self):
  84         pass
  85
  86     def next_component(self):
  87         pass
  88
  89
  90 class FileStore(Store):
  91
  92     def __init__(self, file):
  93         e1=icalerror_supress("FILE")
  94         self._ref = icalfileset_new(file)
  95         icalerror_restore("FILE",e1)
  96
  97         if self._ref == None or self._ref == 'NULL':
  98             raise  Store.ConstructorFailedError(file)
  99
 100     def __del__(self):
 101         icalfileset_free(self._ref)
 102
 103     def path(self):
 104         return icalfileset_path(self._ref)
 105
 106     def mark(self):
 107         icalfileset_mark(self._ref)
 108
 109     def commit(self):
 110         icalfileset_commit(self._ref)
 111
 112     def add_component(self, comp):
 113         if not isinstance(comp,Component):
 114             raise Store.AddFailedError("Argument is not a component")
 115
 116         error = icalfileset_add_component(self._ref,comp.ref())
 117
 118     def remove_component(self, comp):
 119         if not isinstance(comp,Component):
 120             raise Store.AddFailedError("Argument is not a component")
 121
 122         error = icalfileset_remove_component(self._ref,comp.ref())
 123
 124     def count_components(self, kind):
 125         _kind = icalcomponent_string_to_kind(kind)
 126
 127         return icalfileset_count_components(self._ref, _kind)
 128
 129     def select(self, gauge):
 130         error = icalfileset_select(self._ref, gauge.ref())
 131
 132     def clearSelect(self):
 133         icalfileset_clear(self._ref)
 134
 135     def fetch(self, uid):
 136         comp_ref = icalfileset_fetch(self._ref, uid)
 137
 138         if comp_ref == None:
 139             return None
 140
 141         return CloneComponent(comp_ref)
 142
 143     def fetchMatch(self, comp):
 144         if not isinstance(comp,Component):
 145             raise Store.AddFailedError("Argument is not a component")
 146
 147         comp_ref = icalfileset_fetch_match(self._ref,comp.ref())
 148
 149         if comp_ref == None:
 150             return None
 151
 152         return CloneComponent(comp_ref)
 153
 154     def modify(self, oldc, newc):
 155         pass
 156
 157     def current_component(self):
 158         comp_ref = icalfileset_get_current_component(self._ref)
 159
 160         if comp_ref == None:
 161             return None
 162
 163         return CloneComponent(comp_ref)
 164
 165     def first_component(self):
 166         comp_ref = icalfileset_get_first_component(self._ref)
 167
 168         if comp_ref == None:
 169             return None
 170
 171         return CloneComponent(comp_ref)
 172
 173     def next_component(self):
 174
 175         comp_ref = icalfileset_get_next_component(self._ref)
 176
 177         if comp_ref == None:
 178             return None
 179
 180         return CloneComponent(comp_ref)
 181