This file is indexed.

/usr/share/idl/firefox/nsIRDFDataSource.idl is in firefox-dev 11.0+build1-0ubuntu4.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Jan Varga <varga@ku.sk>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"
#include "nsISupportsArray.idl"
#include "nsIRDFResource.idl"
#include "nsIRDFNode.idl"
#include "nsISimpleEnumerator.idl"
#include "nsIRDFObserver.idl"

%{C++
#include "nsISupportsArray.h"
%}

[scriptable, uuid(0F78DA58-8321-11d2-8EAC-00805F29F370)]
interface nsIRDFDataSource : nsISupports
{
    /** The "URI" of the data source. This used by the RDF service's
     * |GetDataSource()| method to cache datasources.
     */
    readonly attribute string URI;

    /** Find an RDF resource that points to a given node over the
     * specified arc & truth value
     *
     * @return NS_RDF_NO_VALUE if there is no source that leads
     * to the target with the specified property.
     */
    nsIRDFResource GetSource(in nsIRDFResource aProperty,
                             in nsIRDFNode     aTarget,
                             in boolean        aTruthValue);

    /**
     * Find all RDF resources that point to a given node over the
     * specified arc & truth value
     *
     * @return NS_OK unless a catastrophic error occurs. If the
     * method returns NS_OK, you may assume that nsISimpleEnumerator points
     * to a valid (but possibly empty) cursor.
     */
    nsISimpleEnumerator GetSources(in nsIRDFResource aProperty,
                                   in nsIRDFNode     aTarget,
                                   in boolean        aTruthValue);

    /**
     * Find a child of that is related to the source by the given arc
     * arc and truth value
     *
     * @return NS_RDF_NO_VALUE if there is no target accessible from the
     * source via the specified property.
     */
    nsIRDFNode GetTarget(in nsIRDFResource aSource,
                         in nsIRDFResource aProperty,
                         in boolean        aTruthValue);

    /**
     * Find all children of that are related to the source by the given arc
     * arc and truth value.
     *
     * @return NS_OK unless a catastrophic error occurs. If the
     * method returns NS_OK, you may assume that nsISimpleEnumerator points
     * to a valid (but possibly empty) cursor.
     */
    nsISimpleEnumerator GetTargets(in nsIRDFResource aSource,
                                   in nsIRDFResource aProperty,
                                   in boolean aTruthValue);

    /**
     * Add an assertion to the graph.
     */
    void Assert(in nsIRDFResource aSource, 
                in nsIRDFResource aProperty, 
                in nsIRDFNode     aTarget,
                in boolean        aTruthValue);

    /**
     * Remove an assertion from the graph.
     */
    void Unassert(in nsIRDFResource aSource,
                  in nsIRDFResource aProperty,
                  in nsIRDFNode     aTarget);

    /**
     * Change an assertion from
     *
     *   [aSource]--[aProperty]-->[aOldTarget]
     *
     * to
     * 
     *   [aSource]--[aProperty]-->[aNewTarget]
     */
    void Change(in nsIRDFResource aSource,
                in nsIRDFResource aProperty,
                in nsIRDFNode     aOldTarget,
                in nsIRDFNode     aNewTarget);

    /**
     * 'Move' an assertion from
     *
     *   [aOldSource]--[aProperty]-->[aTarget]
     *
     * to
     * 
     *   [aNewSource]--[aProperty]-->[aTarget]
     */
    void Move(in nsIRDFResource aOldSource,
              in nsIRDFResource aNewSource,
              in nsIRDFResource aProperty,
              in nsIRDFNode     aTarget);

    /**
     * Query whether an assertion exists in this graph.
     */
    boolean HasAssertion(in nsIRDFResource aSource,
                         in nsIRDFResource aProperty,
                         in nsIRDFNode     aTarget,
                         in boolean        aTruthValue);

    /**
     * Add an observer to this data source. If the datasource
     * supports observers, the datasource source should hold a strong
     * reference to the observer.
     */
    void AddObserver(in nsIRDFObserver aObserver);

    /**
     * Remove an observer from this data source.
     */
    void RemoveObserver(in nsIRDFObserver aObserver);

    /**
     * Get a cursor to iterate over all the arcs that point into a node.
     *
     * @return NS_OK unless a catastrophic error occurs. If the method
     * returns NS_OK, you may assume that labels points to a valid (but
     * possible empty) nsISimpleEnumerator object.
     */
    nsISimpleEnumerator ArcLabelsIn(in nsIRDFNode aNode);

    /**
     * Get a cursor to iterate over all the arcs that originate in
     * a resource.
     *
     * @return NS_OK unless a catastrophic error occurs. If the method
     * returns NS_OK, you may assume that labels points to a valid (but
     * possible empty) nsISimpleEnumerator object.
     */
    nsISimpleEnumerator ArcLabelsOut(in nsIRDFResource aSource);

    /**
     * Retrieve all of the resources that the data source currently
     * refers to.
     */
    nsISimpleEnumerator GetAllResources();

    /**
     * Returns whether a given command is enabled for a set of sources. 
     */
    boolean IsCommandEnabled(in nsISupportsArray aSources,
                             in nsIRDFResource   aCommand,
                             in nsISupportsArray aArguments);

    /**
     * Perform the specified command on set of sources.
     */
    void DoCommand(in nsISupportsArray aSources,
                   in nsIRDFResource   aCommand,
                   in nsISupportsArray aArguments);

    /**
     * Returns the set of all commands defined for a given source.
     */
    nsISimpleEnumerator GetAllCmds(in nsIRDFResource aSource);

    /**
     * Returns true if the specified node is pointed to by the specified arc.
     * Equivalent to enumerating ArcLabelsIn and comparing for the specified arc.
     */
    boolean hasArcIn(in nsIRDFNode aNode, in nsIRDFResource aArc);

    /**
     * Returns true if the specified node has the specified outward arc.
     * Equivalent to enumerating ArcLabelsOut and comparing for the specified arc.
     */
    boolean hasArcOut(in nsIRDFResource aSource, in nsIRDFResource aArc);

    /**
     * Notify observers that the datasource is about to send several
     * notifications at once.
     * This must be followed by calling endUpdateBatch(), otherwise
     * viewers will get out of sync.
     */
    void beginUpdateBatch();

    /**
     * Notify observers that the datasource has completed issuing
     * a notification group.
     */
    void endUpdateBatch();
};