From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- storage/mozStorageSQLFunctions.h | 76 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 storage/mozStorageSQLFunctions.h (limited to 'storage/mozStorageSQLFunctions.h') diff --git a/storage/mozStorageSQLFunctions.h b/storage/mozStorageSQLFunctions.h new file mode 100644 index 000000000..556a4a7c1 --- /dev/null +++ b/storage/mozStorageSQLFunctions.h @@ -0,0 +1,76 @@ +/* -*- 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); + +} // namespace storage +} // namespace mozilla + +#endif // mozStorageSQLFunctions_h -- cgit v1.2.3