mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-24 05:11:16 +00:00
e226046cb8
# ignore-this-changeset Depends on D28954 Differential Revision: https://phabricator.services.mozilla.com/D28956 --HG-- extra : moz-landing-system : lando
86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
/* -*- 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
|