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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /storage/mozStorageSQLFunctions.h | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/mozStorageSQLFunctions.h')
-rw-r--r-- | storage/mozStorageSQLFunctions.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/storage/mozStorageSQLFunctions.h b/storage/mozStorageSQLFunctions.h new file mode 100644 index 0000000000..2a3f1f3d7e --- /dev/null +++ b/storage/mozStorageSQLFunctions.h @@ -0,0 +1,85 @@ +/* -*- 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 |