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Quelle mozStorageSQLFunctions.h Sprache: C |
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ : * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef mozStorageSQLFunctions_h #define mozStorageSQLFunctions_h #include "sqlite3.h" #include "nscore.h" namespace mozilla { namespace storage { /** * Registers the functions declared here with the specified database. * * @param aDB * The database we'll be registering the functions with. * @return the SQLite status code indicating success or failure. */ int registerFunctions(sqlite3* aDB); //////////////////////////////////////////////////////////////////////////////// //// Predefined Functions /** * Overridden function to perform the SQL functions UPPER and LOWER. These * support unicode, which the default implementations do not do. * * @param aCtx * The sqlite_context that this function is being called on. * @param aArgc * The number of arguments the function is being called with. * @param aArgv * An array of the arguments the functions is being called with. */ void caseFunction(sqlite3_context* aCtx, int aArgc, sqlite3_value** aArgv); /** * Overridden function to perform the SQL function LIKE. This supports unicode, * which the default implementation does not do. * * @param aCtx * The sqlite_context that this function is being called on. * @param aArgc * The number of arguments the function is being called with. * @param aArgv * An array of the arguments the functions is being called with. */ void likeFunction(sqlite3_context* aCtx, int aArgc, sqlite3_value** aArgv); /** * An implementation of the Levenshtein Edit Distance algorithm for use in * Sqlite queries. * * @param aCtx * The sqlite_context that this function is being called on. * @param aArgc * The number of arguments the function is being called with. * @param aArgv * An array of the arguments the functions is being called with. */ void levenshteinDistanceFunction(sqlite3_context* aCtx, int aArgc, sqlite3_value** aArgv); /** * An alternative string length function that uses XPCOM string classes for * string length calculation. * * @param aCtx * The sqlite_context that this function is being called on. * @param aArgc * The number of arguments the function is being called with. * @param aArgv * An array of the arguments the functions is being called with. */ void utf16LengthFunction(sqlite3_context* aCtx, int aArgc, sqlite3_value** aArgv); } // namespace storage } // namespace mozilla #endif // mozStorageSQLFunctions_h ¤ Dauer der Verarbeitung: 0.1 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-03-28