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comparison: storage/src/mozStorageSQLFunctions.h
storage/src/mozStorageSQLFunctions.h
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| -1:000000000000 | 0:bd4577667d0c |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ : | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef mozStorageSQLFunctions_h | |
| 8 #define mozStorageSQLFunctions_h | |
| 9 | |
| 10 #include "sqlite3.h" | |
| 11 #include "nscore.h" | |
| 12 | |
| 13 namespace mozilla { | |
| 14 namespace storage { | |
| 15 | |
| 16 /** | |
| 17 * Registers the functions declared here with the specified database. | |
| 18 * | |
| 19 * @param aDB | |
| 20 * The database we'll be registering the functions with. | |
| 21 * @return the SQLite status code indicating success or failure. | |
| 22 */ | |
| 23 NS_HIDDEN_(int) registerFunctions(sqlite3 *aDB); | |
| 24 | |
| 25 //////////////////////////////////////////////////////////////////////////////// | |
| 26 //// Predefined Functions | |
| 27 | |
| 28 /** | |
| 29 * Overridden function to perform the SQL functions UPPER and LOWER. These | |
| 30 * support unicode, which the default implementations do not do. | |
| 31 * | |
| 32 * @param aCtx | |
| 33 * The sqlite_context that this function is being called on. | |
| 34 * @param aArgc | |
| 35 * The number of arguments the function is being called with. | |
| 36 * @param aArgv | |
| 37 * An array of the arguments the functions is being called with. | |
| 38 */ | |
| 39 NS_HIDDEN_(void) caseFunction(sqlite3_context *aCtx, | |
| 40 int aArgc, | |
| 41 sqlite3_value **aArgv); | |
| 42 | |
| 43 /** | |
| 44 * Overridden function to perform the SQL function LIKE. This supports unicode, | |
| 45 * which the default implementation does not do. | |
| 46 * | |
| 47 * @param aCtx | |
| 48 * The sqlite_context that this function is being called on. | |
| 49 * @param aArgc | |
| 50 * The number of arguments the function is being called with. | |
| 51 * @param aArgv | |
| 52 * An array of the arguments the functions is being called with. | |
| 53 */ | |
| 54 NS_HIDDEN_(void) likeFunction(sqlite3_context *aCtx, | |
| 55 int aArgc, | |
| 56 sqlite3_value **aArgv); | |
| 57 | |
| 58 /** | |
| 59 * An implementation of the Levenshtein Edit Distance algorithm for use in | |
| 60 * Sqlite queries. | |
| 61 * | |
| 62 * @param aCtx | |
| 63 * The sqlite_context that this function is being called on. | |
| 64 * @param aArgc | |
| 65 * The number of arguments the function is being called with. | |
| 66 * @param aArgv | |
| 67 * An array of the arguments the functions is being called with. | |
| 68 */ | |
| 69 NS_HIDDEN_(void) levenshteinDistanceFunction(sqlite3_context *aCtx, | |
| 70 int aArgc, | |
| 71 sqlite3_value **aArgv); | |
| 72 | |
| 73 } // namespace storage | |
| 74 } // namespace mozilla | |
| 75 | |
| 76 #endif // mozStorageSQLFunctions_h |
