Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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