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Diffstat (limited to 'storage/SQLCollations.h')
| -rw-r--r-- | storage/SQLCollations.h | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/storage/SQLCollations.h b/storage/SQLCollations.h new file mode 100644 index 0000000000..d0bb53d2db --- /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 nsICollation 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 nsICollation 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 nsICollation 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 nsICollation 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 nsICollation 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 nsICollation 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 nsICollation 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 nsICollation 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 nsICollation 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 |