summaryrefslogtreecommitdiffstats
path: root/storage/SQLCollations.h
diff options
context:
space:
mode:
Diffstat (limited to 'storage/SQLCollations.h')
-rw-r--r--storage/SQLCollations.h229
1 files changed, 229 insertions, 0 deletions
diff --git a/storage/SQLCollations.h b/storage/SQLCollations.h
new file mode 100644
index 0000000000..1845084621
--- /dev/null
+++ b/storage/SQLCollations.h
@@ -0,0 +1,229 @@
+/* -*- 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 mozilla_storage_SQLCollations_h
+#define mozilla_storage_SQLCollations_h
+
+#include "mozStorageService.h"
+#include "nscore.h"
+#include "nsString.h"
+
+#include "sqlite3.h"
+
+namespace mozilla {
+namespace storage {
+
+/**
+ * Registers the collating sequences declared here with the specified
+ * database and Service.
+ *
+ * @param aDB
+ * The database we'll be registering the collations with.
+ * @param aService
+ * The Service that owns the collator used by our collations.
+ * @return the SQLite status code indicating success or failure.
+ */
+int registerCollations(sqlite3* aDB, Service* aService);
+
+////////////////////////////////////////////////////////////////////////////////
+//// Predefined Functions
+
+/**
+ * Custom UTF-8 collating sequence that respects the application's locale.
+ * Comparison is case- and accent-insensitive. This is called by SQLite.
+ *
+ * @param aService
+ * The Service that owns the collator used by this collation.
+ * @param aLen1
+ * The number of bytes in aStr1.
+ * @param aStr1
+ * The string to be compared against aStr2. It will be passed in by
+ * SQLite as a non-null-terminated char* buffer.
+ * @param aLen2
+ * The number of bytes in aStr2.
+ * @param aStr2
+ * The string to be compared against aStr1. It will be passed in by
+ * SQLite as a non-null-terminated char* buffer.
+ * @return aStr1 - aStr2. That is, if aStr1 < aStr2, returns a negative number.
+ * If aStr1 > aStr2, returns a positive number. If aStr1 == aStr2,
+ * returns 0.
+ */
+int localeCollation8(void* aService, int aLen1, const void* aStr1, int aLen2,
+ const void* aStr2);
+
+/**
+ * Custom UTF-8 collating sequence that respects the application's locale.
+ * Comparison is case-sensitive and accent-insensitive. This is called by
+ * SQLite.
+ *
+ * @param aService
+ * The Service that owns the collator used by this collation.
+ * @param aLen1
+ * The number of bytes in aStr1.
+ * @param aStr1
+ * The string to be compared against aStr2. It will be passed in by
+ * SQLite as a non-null-terminated char* buffer.
+ * @param aLen2
+ * The number of bytes in aStr2.
+ * @param aStr2
+ * The string to be compared against aStr1. It will be passed in by
+ * SQLite as a non-null-terminated char* buffer.
+ * @return aStr1 - aStr2. That is, if aStr1 < aStr2, returns a negative number.
+ * If aStr1 > aStr2, returns a positive number. If aStr1 == aStr2,
+ * returns 0.
+ */
+int localeCollationCaseSensitive8(void* aService, int aLen1, const void* aStr1,
+ int aLen2, const void* aStr2);
+
+/**
+ * Custom UTF-8 collating sequence that respects the application's locale.
+ * Comparison is case-insensitive and accent-sensitive. This is called by
+ * SQLite.
+ *
+ * @param aService
+ * The Service that owns the collator used by this collation.
+ * @param aLen1
+ * The number of bytes in aStr1.
+ * @param aStr1
+ * The string to be compared against aStr2. It will be passed in by
+ * SQLite as a non-null-terminated char* buffer.
+ * @param aLen2
+ * The number of bytes in aStr2.
+ * @param aStr2
+ * The string to be compared against aStr1. It will be passed in by
+ * SQLite as a non-null-terminated char* buffer.
+ * @return aStr1 - aStr2. That is, if aStr1 < aStr2, returns a negative number.
+ * If aStr1 > aStr2, returns a positive number. If aStr1 == aStr2,
+ * returns 0.
+ */
+int localeCollationAccentSensitive8(void* aService, int aLen1,
+ const void* aStr1, int aLen2,
+ const void* aStr2);
+
+/**
+ * Custom UTF-8 collating sequence that respects the application's locale.
+ * Comparison is case- and accent-sensitive. This is called by SQLite.
+ *
+ * @param aService
+ * The Service that owns the collator used by this collation.
+ * @param aLen1
+ * The number of bytes in aStr1.
+ * @param aStr1
+ * The string to be compared against aStr2. It will be passed in by
+ * SQLite as a non-null-terminated char* buffer.
+ * @param aLen2
+ * The number of bytes in aStr2.
+ * @param aStr2
+ * The string to be compared against aStr1. It will be passed in by
+ * SQLite as a non-null-terminated char* buffer.
+ * @return aStr1 - aStr2. That is, if aStr1 < aStr2, returns a negative number.
+ * If aStr1 > aStr2, returns a positive number. If aStr1 == aStr2,
+ * returns 0.
+ */
+int localeCollationCaseAccentSensitive8(void* aService, int aLen1,
+ const void* aStr1, int aLen2,
+ const void* aStr2);
+
+/**
+ * Custom UTF-16 collating sequence that respects the application's locale.
+ * Comparison is case- and accent-insensitive. This is called by SQLite.
+ *
+ * @param aService
+ * The Service that owns the collator used by this collation.
+ * @param aLen1
+ * The number of bytes (not characters) in aStr1.
+ * @param aStr1
+ * The string to be compared against aStr2. It will be passed in by
+ * SQLite as a non-null-terminated char16_t* buffer.
+ * @param aLen2
+ * The number of bytes (not characters) in aStr2.
+ * @param aStr2
+ * The string to be compared against aStr1. It will be passed in by
+ * SQLite as a non-null-terminated char16_t* buffer.
+ * @return aStr1 - aStr2. That is, if aStr1 < aStr2, returns a negative number.
+ * If aStr1 > aStr2, returns a positive number. If aStr1 == aStr2,
+ * returns 0.
+ */
+int localeCollation16(void* aService, int aLen1, const void* aStr1, int aLen2,
+ const void* aStr2);
+
+/**
+ * Custom UTF-16 collating sequence that respects the application's locale.
+ * Comparison is case-sensitive and accent-insensitive. This is called by
+ * SQLite.
+ *
+ * @param aService
+ * The Service that owns the collator used by this collation.
+ * @param aLen1
+ * The number of bytes (not characters) in aStr1.
+ * @param aStr1
+ * The string to be compared against aStr2. It will be passed in by
+ * SQLite as a non-null-terminated char16_t* buffer.
+ * @param aLen2
+ * The number of bytes (not characters) in aStr2.
+ * @param aStr2
+ * The string to be compared against aStr1. It will be passed in by
+ * SQLite as a non-null-terminated char16_t* buffer.
+ * @return aStr1 - aStr2. That is, if aStr1 < aStr2, returns a negative number.
+ * If aStr1 > aStr2, returns a positive number. If aStr1 == aStr2,
+ * returns 0.
+ */
+int localeCollationCaseSensitive16(void* aService, int aLen1, const void* aStr1,
+ int aLen2, const void* aStr2);
+
+/**
+ * Custom UTF-16 collating sequence that respects the application's locale.
+ * Comparison is case-insensitive and accent-sensitive. This is called by
+ * SQLite.
+ *
+ * @param aService
+ * The Service that owns the collator used by this collation.
+ * @param aLen1
+ * The number of bytes (not characters) in aStr1.
+ * @param aStr1
+ * The string to be compared against aStr2. It will be passed in by
+ * SQLite as a non-null-terminated char16_t* buffer.
+ * @param aLen2
+ * The number of bytes (not characters) in aStr2.
+ * @param aStr2
+ * The string to be compared against aStr1. It will be passed in by
+ * SQLite as a non-null-terminated char16_t* buffer.
+ * @return aStr1 - aStr2. That is, if aStr1 < aStr2, returns a negative number.
+ * If aStr1 > aStr2, returns a positive number. If aStr1 == aStr2,
+ * returns 0.
+ */
+int localeCollationAccentSensitive16(void* aService, int aLen1,
+ const void* aStr1, int aLen2,
+ const void* aStr2);
+
+/**
+ * Custom UTF-16 collating sequence that respects the application's locale.
+ * Comparison is case- and accent-sensitive. This is called by SQLite.
+ *
+ * @param aService
+ * The Service that owns the collator used by this collation.
+ * @param aLen1
+ * The number of bytes (not characters) in aStr1.
+ * @param aStr1
+ * The string to be compared against aStr2. It will be passed in by
+ * SQLite as a non-null-terminated char16_t* buffer.
+ * @param aLen2
+ * The number of bytes (not characters) in aStr2.
+ * @param aStr2
+ * The string to be compared against aStr1. It will be passed in by
+ * SQLite as a non-null-terminated char16_t* buffer.
+ * @return aStr1 - aStr2. That is, if aStr1 < aStr2, returns a negative number.
+ * If aStr1 > aStr2, returns a positive number. If aStr1 == aStr2,
+ * returns 0.
+ */
+int localeCollationCaseAccentSensitive16(void* aService, int aLen1,
+ const void* aStr1, int aLen2,
+ const void* aStr2);
+
+} // namespace storage
+} // namespace mozilla
+
+#endif // mozilla_storage_SQLCollations_h