1 files changed, 76 insertions, 0 deletions
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