This file is indexed.

/usr/include/soprano/error.h is in libsoprano-dev 2.9.4+dfsg1-0ubuntu4.

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
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
/*
 * This file is part of Soprano Project.
 *
 * Copyright (C) 2007 Sebastian Trueg <trueg@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 _SOPRANO_ERROR_H_
#define _SOPRANO_ERROR_H_

#include "soprano_export.h"

#include <QtCore/QString>
#include <QtCore/QSharedDataPointer>


namespace Soprano {
    namespace Error {
        /**
         * %Soprano defines a number of error codes that are
         * used to provide a quick success status check in methods
         * such as Model::addStatement().
         *
         * \sa Error::Error::code(), Error::convertErrorCode
         */
        enum ErrorCode {
            ErrorNone = 0x0,             /**< No error occured, i.e. success. */
            ErrorInvalidArgument = 0x1,  /**< Error indicating that a method argument was invalid. For example an invalid Statement in Model::addStatement(). */
            ErrorInvalidStatement = ErrorInvalidArgument, /**< \deprecated: use ErrorInvalidArgument */
            ErrorNotSupported = 0x2,     /**< Error indicating that a certain functionality is not supported. */
            ErrorParsingFailed = 0x3,    /**< Parsing a query or an RDF serialization failed. */
            ErrorPermissionDenied = 0x4, /**< Permission is denied. \since 2.1 */
            ErrorTimeout = 0x5,          /**< The command timed out. \since 2.7.4 */
            ErrorUnknown = 0x1000        /**< An unknown error occured. */
        };

        /**
         * Translate an error code into a human-readable error message.
         */
        SOPRANO_EXPORT QString errorMessage( ErrorCode );

        /**
         * Converts a plain error code (as for example used in Error::code())
         * into an ErrorCode value.
         *
         * \return \p code converted to ErrorCode. If it is an unknown value,
         * ErrorUnknown will be returned.
         */
        SOPRANO_EXPORT ErrorCode convertErrorCode( int code );

        class ErrorData;
        class ParserError;

        /**
         * \class Error error.h Soprano/Error/Error
         *
         * \brief Represents an error in %Soprano.
         *
         * \author Sebastian Trueg <trueg@kde.org>
         *
         * \sa \ref soprano_error_handling
         */
        class SOPRANO_EXPORT Error
        {
        public:
            /**
             * Create an Error object, representing success, i.e. no error.
             */
            Error();

            /**
             * Create an Error object.
             *
             * \param message A human-readable error message.
             * \param code An optional machine-readable error code. Can be one of Soprano::ErrorCode
             * or a user defined value which has to be bigger than ErrorUnknown. The redland backend
             * for example uses error codes <i>ErrorUnknown + redlandCode</i>.
             */
            Error( const QString& message, int code = ErrorUnknown );

            /**
             * Copy constructor
             */
            Error( const Error& );

            /**
             * Destructor
             */
            virtual ~Error();

            Error& operator=( const Error& );

            /**
             * An %Error evalutes to a boolean, indicating if an %Error is "set".
             *
             * \return \p false if code() == #ErrorNone, \p true otherwise.
             *
             * Thus, an Error object can easily be checked as follows:
             *
             * \code
             * model.addStatement( s );
             * if( model.lastError() ) {
             *    displayError( model.lastError() );
             * }
             * \endcode
             */
            operator bool() const { return code() != ErrorNone; }

            /**
             * A string explaining the error in detail.
             * This string is not necessarily translated (this
             * depends on the plugin implementation).
             *
             * \return An error message describing the error or an empty string
             * for no-error (i.e. success) instances.
             */
            QString message() const;

            /**
             * An error code. If the error code is #ErrorNone the
             * Error instance represents success.
             * The code can either be one of the values of ErrorCode
             * or a value above #ErrorUnknown.
             *
             * Example: The redland backend defines the error code
             * as:
             * \code
             * ErrorUnknown + librdf_log_message_code()
             * \endcode
             *
             * \sa ErrorCode, Error::convertErrorCode
             */
            int code() const;

            /**
             * \return \p true if this Error instance represents a parser error.
             * In that case the error can be converted to a ParserError.
             */
            bool isParserError() const;

            /**
             * Converts this error into a ParserError.
             * This has the same effect as
             * \code
             * Error e;
             * ParserError p1( e );
             * \endcode
             *
             * \return If isParserError() returns true a ParserError
             * with a valid Locator value, otherwise a ParserError with
             * an empty Locator.
             */
            ParserError toParserError() const;

        protected:
            /** \cond protected_error_members */
            Error( ErrorData* );
            QSharedDataPointer<ErrorData> d;
            /** \endcond */
        };

        class Locator;

        /**
         * \class ParserError error.h Soprano/Error/ParserError
         *
         * \brief Represents a parser error in %Soprano.
         *
         * ParserError represents an error during parsing of either a query string (Soprano::Query::Parser::parseQuery())
         * or an RDF serialization (Soprano::Parser::parseStream()).
         * Error and ParserError can be used together and copied without loosing information.
         *
         * The following code is perfectly valid and works:
         *
         * \code
         * ParserError pe( 3, 4 );
         * Error e = pe;
         * ParserError otherPe = e;
         * qDebug() << "Parsing failed at line " << otherPe.line() << " and column " << otherPe.column();
         * \endcode
         *
         * \author Sebastian Trueg <trueg@kde.org>
         *
         * \sa \ref soprano_error_handling
         */
        class SOPRANO_EXPORT ParserError : public Error
        {
        public:
            /**
             * Create an Error object, representing success, i.e. no error.
             */
            ParserError();

            ParserError( const Locator&, const QString& message = QString(), int code = ErrorParsingFailed );

            ParserError( const Error& );

            ~ParserError();

            ParserError& operator=( const Error& );

            Locator locator() const;
        };

        /**
         * \class ErrorCache error.h Soprano/Error/ErrorCache
         *
         * \brief Core class of %Soprano's exception system.
         *
         * The ErrorCache caches Error instances for different threads.
         * Each thread has its own last error. This mechanism tries to
         * replace the missing exceptions for methods that do not return
         * an error code or another value that can state the success of the
         * method's operation.
         *
         * \author Sebastian Trueg <trueg@kde.org>
         *
         * \sa \ref soprano_error_handling
         */
        class SOPRANO_EXPORT ErrorCache
        {
        public:
            virtual ~ErrorCache();

            /**
             * Get the last error that occured in the current thread.
             */
            virtual Error lastError() const;

        protected:
            ErrorCache();

            /**
             * Reset the error for the current thread to no error.
             */
            void clearError() const;

            /**
             * Set the last occured error. This method is const to allow setting
             * of errors in all types of methods. The last error is as such a
             * mutable property.
             */
            void setError( const Error& ) const;

            /**
             * Convenience method to set simple string error messages with a default
             * error code ErrorUnknown.
             */
            void setError( const QString& errorMessage, int code = ErrorUnknown ) const;

        private:
            class Private;
            Private* const d;
        };
    }
}

class QDebug;
class QTextStream;

SOPRANO_EXPORT QDebug operator<<( QDebug s, const Soprano::Error::Error& );
SOPRANO_EXPORT QTextStream& operator<<( QTextStream& s, const Soprano::Error::Error& );

#endif