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(* |
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* Firebird Interface (fbintf). The fbintf components provide a set of |
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* Pascal language bindings for the Firebird API. Although predominantly |
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* a new development they include source code taken from IBX and may be |
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* considered a derived product. This software thus also includes the copyright |
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* notice and license conditions from IBX. |
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* |
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* Except for those parts dervied from IBX, contents of this file are subject |
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* to the Initial Developer's Public License Version 1.0 (the "License"); you |
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* may not use this file except in compliance with the License. You may obtain a |
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* copy of the License here: |
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* |
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* http://www.firebirdsql.org/index.php?op=doc&id=idpl |
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* |
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* Software distributed under the License is distributed on an "AS |
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
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* implied. See the License for the specific language governing rights |
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* and limitations under the License. |
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* |
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* The Initial Developer of the Original Code is Tony Whyman. |
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* |
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* The Original Code is (C) 2016 Tony Whyman, MWA Software |
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* (http://www.mwasoftware.co.uk). |
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* |
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* All Rights Reserved. |
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* |
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* Contributor(s): ______________________________________. |
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* |
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*) |
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{************************************************************************} |
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{ } |
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{ Borland Delphi Visual Component Library } |
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{ InterBase Express core components } |
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{ } |
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{ Copyright (c) 1998-2000 Inprise Corporation } |
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{ } |
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{ InterBase Express is based in part on the product } |
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{ Free IB Components, written by Gregory H. Deatz for } |
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{ Hoagland, Longo, Moran, Dunst & Doukas Company. } |
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{ Free IB Components is used under license. } |
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{ } |
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{ The contents of this file are subject to the InterBase } |
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{ Public License Version 1.0 (the "License"); you may not } |
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{ use this file except in compliance with the License. You } |
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{ may obtain a copy of the License at http://www.Inprise.com/IPL.html } |
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{ Software distributed under the License is distributed on } |
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{ an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either } |
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{ express or implied. See the License for the specific language } |
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{ governing rights and limitations under the License. } |
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{ The Original Code was created by InterBase Software Corporation } |
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{ and its successors. } |
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{ Portions created by Inprise Corporation are Copyright (C) Inprise } |
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{ Corporation. All Rights Reserved. } |
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{ Contributor(s): Jeff Overcash } |
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{ } |
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{ IBX For Lazarus (Firebird Express) } |
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{ Contributor: Tony Whyman, MWA Software http://www.mwasoftware.co.uk } |
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{ Portions created by MWA Software are copyright McCallum Whyman } |
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{ Associates Ltd 2011 - 2015 } |
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{ } |
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{************************************************************************} |
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unit FB25ClientAPI; |
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|
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{$IFDEF FPC} |
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{$mode delphi} |
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{$interfaces COM} |
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{$ENDIF} |
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|
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interface |
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|
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uses |
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Classes, SysUtils, FBClientAPI, IBHeader, IBExternals, IB; |
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|
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const |
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FBClientInterfaceVersion = '2.5'; |
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|
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type |
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|
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{ TFB25Status } |
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|
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TFB25Status = class(TFBStatus,IStatus) |
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public |
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function StatusVector: PStatusVector; override; |
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end; |
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|
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{ TFB25ClientAPI } |
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|
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TFB25ClientAPI = class(TFBClientAPI,IFirebirdAPI) |
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private |
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FIBServiceAPIPresent: boolean; |
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FStatus: TFB25Status; |
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FStatusIntf: IStatus; {Keep a reference to the interface - automatic destroy |
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when this class is freed and last reference to IStatus |
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goes out of scope.} |
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protected |
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{$IFDEF UNIX} |
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function GetFirebirdLibList: string; override; |
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{$ENDIF} |
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procedure LoadInterface; override; |
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public |
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constructor Create; |
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destructor Destroy; override; |
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function StatusVector: PISC_STATUS; |
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property IBServiceAPIPresent: boolean read FIBServiceAPIPresent; |
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property Status: TFB25Status read FStatus; |
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|
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public |
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|
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{fbclient API} |
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BLOB_get: TBLOB_get; |
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BLOB_put: TBLOB_put; |
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isc_wait_for_event: Tisc_wait_for_event; |
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isc_vax_integer: Tisc_vax_integer; |
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isc_portable_integer: Tisc_portable_integer; |
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isc_blob_info: Tisc_blob_info; |
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isc_blob_lookup_desc: Tisc_blob_lookup_desc; |
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isc_open_blob2: Tisc_open_blob2; |
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isc_close_blob: Tisc_close_blob; |
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isc_get_segment: Tisc_get_segment; |
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isc_put_segment: Tisc_put_segment; |
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isc_create_blob2: Tisc_create_blob2; |
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isc_cancel_blob: Tisc_cancel_blob; |
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isc_service_attach: Tisc_service_attach; |
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isc_service_detach: Tisc_service_detach; |
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isc_service_query: Tisc_service_query; |
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isc_service_start: Tisc_service_start; |
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isc_decode_date: Tisc_decode_date; |
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isc_decode_sql_date: Tisc_decode_sql_date; |
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isc_decode_sql_time: Tisc_decode_sql_time; |
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isc_decode_timestamp: Tisc_decode_timestamp; |
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isc_encode_date: Tisc_encode_date; |
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isc_encode_sql_date: Tisc_encode_sql_date; |
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isc_encode_sql_time: Tisc_encode_sql_time; |
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isc_encode_timestamp: Tisc_encode_timestamp; |
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isc_dsql_free_statement: Tisc_dsql_free_statement; |
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isc_dsql_execute2: Tisc_dsql_execute2; |
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isc_dsql_execute: Tisc_dsql_execute; |
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isc_dsql_set_cursor_name: Tisc_dsql_set_cursor_name; |
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isc_dsql_fetch: Tisc_dsql_fetch; |
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isc_dsql_sql_info: Tisc_dsql_sql_info; |
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isc_dsql_alloc_statement2: Tisc_dsql_alloc_statement2; |
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isc_dsql_prepare: Tisc_dsql_prepare; |
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isc_dsql_describe_bind: Tisc_dsql_describe_bind; |
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isc_dsql_describe: Tisc_dsql_describe; |
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isc_dsql_execute_immediate: Tisc_dsql_execute_immediate; |
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isc_drop_database: Tisc_drop_database; |
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isc_detach_database: Tisc_detach_database; |
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isc_attach_database: Tisc_attach_database; |
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isc_database_info: Tisc_database_info; |
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isc_start_transaction: Tisc_start_transaction; |
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isc_start_multiple: Tisc_start_multiple; |
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isc_commit_transaction: Tisc_commit_transaction; |
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isc_commit_retaining: Tisc_commit_retaining; |
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isc_rollback_transaction: Tisc_rollback_transaction; |
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isc_rollback_retaining: Tisc_rollback_retaining; |
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isc_cancel_events: Tisc_cancel_events; |
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isc_que_events: Tisc_que_events; |
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isc_add_user : Tisc_add_user; |
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isc_delete_user: Tisc_delete_user; |
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isc_modify_user: Tisc_modify_user; |
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isc_array_lookup_bounds: Tisc_array_lookup_bounds; |
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isc_array_get_slice: Tisc_array_get_slice; |
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isc_array_put_slice: Tisc_array_put_slice; |
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isc_prepare_transaction: Tisc_prepare_transaction; |
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|
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public |
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{Helper Functions} |
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function DecodeInteger(bufptr: PChar; len: short): integer; override; |
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procedure SQLEncodeDate(aDate: TDateTime; bufptr: PChar); override; |
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function SQLDecodeDate(bufptr: PChar): TDateTime; override; |
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procedure SQLEncodeTime(aTime: TDateTime; bufptr: PChar); override; |
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function SQLDecodeTime(bufptr: PChar): TDateTime; override; |
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procedure SQLEncodeDateTime(aDateTime: TDateTime; bufptr: PChar); override; |
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function SQLDecodeDateTime(bufptr: PChar): TDateTime; override; |
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|
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public |
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{IFirebirdAPI} |
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|
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{Database connections} |
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function AllocateDPB: IDPB; |
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function OpenDatabase(DatabaseName: string; DPB: IDPB; RaiseExceptionOnConnectError: boolean=true): IAttachment; |
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function CreateDatabase(DatabaseName: string; DPB: IDPB; RaiseExceptionOnError: boolean=true): IAttachment; overload; |
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function CreateDatabase(sql: string; aSQLDialect: integer; RaiseExceptionOnError: boolean=true): IAttachment; overload; |
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|
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{Start Transaction against multiple databases} |
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function AllocateTPB: ITPB; |
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function StartTransaction(Attachments: array of IAttachment; |
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TPB: array of byte; DefaultCompletion: TTransactionCompletion): ITransaction; overload; |
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function StartTransaction(Attachments: array of IAttachment; |
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TPB: ITPB; DefaultCompletion: TTransactionCompletion): ITransaction; overload; |
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|
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{Service Manager} |
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function AllocateSPB: ISPB; |
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function HasServiceAPI: boolean; |
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function GetServiceManager(ServerName: string; Protocol: TProtocol; SPB: ISPB): IServiceManager; |
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|
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{Information} |
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function GetStatus: IStatus; override; |
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function HasRollbackRetaining: boolean; |
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function IsEmbeddedServer: boolean; override; |
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function GetImplementationVersion: string; |
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|
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{Firebird 3 API} |
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function HasMasterIntf: boolean; |
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function GetIMaster: TObject; |
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|
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end; |
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|
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const |
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Firebird25ClientAPI: TFB25ClientAPI = nil; |
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|
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implementation |
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|
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uses FBMessages, dynlibs, FB25Attachment, FB25Transaction, FB25Services, FBParamBlock, |
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IBUtils; |
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|
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{ Stubs for 6.0 only functions } |
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function isc_rollback_retaining_stub(status_vector : PISC_STATUS; |
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tran_handle : PISC_TR_HANDLE): |
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ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} |
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begin |
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Result := 0; |
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IBError(ibxeIB60feature, ['isc_rollback_retaining']); {do not localize} |
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end; |
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|
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function isc_service_attach_stub(status_vector : PISC_STATUS; |
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isc_arg2 : UShort; |
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isc_arg3 : PChar; |
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service_handle : PISC_SVC_HANDLE; |
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isc_arg5 : UShort; |
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isc_arg6 : PChar): |
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ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} |
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begin |
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Result := 0; |
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IBError(ibxeIB60feature, ['isc_service_attach']); {do not localize} |
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end; |
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|
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function isc_service_detach_stub(status_vector : PISC_STATUS; |
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service_handle : PISC_SVC_HANDLE): |
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ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} |
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begin |
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Result := 0; |
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IBError(ibxeIB60feature, ['isc_service_detach']); {do not localize} |
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end; |
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|
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function isc_service_query_stub(status_vector : PISC_STATUS; |
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service_handle : PISC_SVC_HANDLE; |
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recv_handle : PISC_SVC_HANDLE; |
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isc_arg4 : UShort; |
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isc_arg5 : PChar; |
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isc_arg6 : UShort; |
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isc_arg7 : PChar; |
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isc_arg8 : UShort; |
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isc_arg9 : PChar): |
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ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} |
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begin |
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Result := 0; |
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IBError(ibxeIB60feature, ['isc_service_query']); {do not localize} |
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end; |
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|
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function isc_service_start_stub(status_vector : PISC_STATUS; |
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service_handle : PISC_SVC_HANDLE; |
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recv_handle : PISC_SVC_HANDLE; |
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isc_arg4 : UShort; |
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isc_arg5 : PChar): |
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ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} |
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begin |
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Result := 0; |
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IBError(ibxeIB60feature, ['isc_service_start']); {do not localize} |
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end; |
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|
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procedure isc_encode_sql_date_stub(tm_date : PCTimeStructure; |
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ib_date : PISC_DATE); |
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} |
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begin |
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IBError(ibxeIB60feature, ['isc_encode_sql_date']); {do not localize} |
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end; |
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|
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procedure isc_encode_sql_time_stub(tm_date : PCTimeStructure; |
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ib_time : PISC_TIME); |
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} |
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begin |
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IBError(ibxeIB60feature, ['isc_encode_sql_time']); {do not localize} |
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end; |
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|
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procedure isc_encode_timestamp_stub(tm_date : PCTimeStructure; |
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ib_timestamp : PISC_TIMESTAMP); |
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} |
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begin |
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IBError(ibxeIB60feature, ['isc_encode_sql_timestamp']); {do not localize} |
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end; |
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|
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procedure isc_decode_sql_date_stub(ib_date : PISC_DATE; |
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tm_date : PCTimeStructure); |
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} |
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begin |
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IBError(ibxeIB60feature, ['isc_decode_sql_date']); {do not localize} |
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end; |
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|
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procedure isc_decode_sql_time_stub(ib_time : PISC_TIME; |
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tm_date : PCTimeStructure); |
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} |
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begin |
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IBError(ibxeIB60feature, ['isc_decode_sql_time']); {do not localize} |
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end; |
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|
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procedure isc_decode_timestamp_stub(ib_timestamp : PISC_TIMESTAMP; |
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tm_date : PCTimeStructure); |
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} |
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begin |
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IBError(ibxeIB60feature, ['isc_decode_timestamp']); {do not localize} |
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end; |
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|
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{ TFB25Status } |
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|
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threadvar |
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FStatusVector: TStatusVector; |
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|
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function TFB25Status.StatusVector: PStatusVector; |
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begin |
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Result := @FStatusVector; |
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end; |
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|
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|
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{ TFB25ClientAPI } |
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|
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{$IFDEF UNIX} |
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function TFB25ClientAPI.GetFirebirdLibList: string; |
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begin |
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Result := 'libfbembed.so:libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so:libfbclient.so.2'; |
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end; |
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{$ENDIF} |
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|
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procedure TFB25ClientAPI.LoadInterface; |
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begin |
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inherited LoadInterface; |
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BLOB_get := GetProcAddr('BLOB_get'); {do not localize} |
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BLOB_put := GetProcAddr('BLOB_put'); {do not localize} |
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isc_wait_for_event := GetProcAddr('isc_wait_for_event'); {do not localize} |
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isc_vax_integer := GetProcAddr('isc_vax_integer'); {do not localize} |
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isc_portable_integer := GetProcAddr('isc_portable_integer'); {do not localize} |
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isc_blob_info := GetProcAddr('isc_blob_info'); {do not localize} |
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isc_blob_lookup_desc := GetProcAddr('isc_blob_lookup_desc'); {do not localize} |
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isc_open_blob2 := GetProcAddr('isc_open_blob2'); {do not localize} |
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isc_close_blob := GetProcAddr('isc_close_blob'); {do not localize} |
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isc_get_segment := GetProcAddr('isc_get_segment'); {do not localize} |
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isc_put_segment := GetProcAddr('isc_put_segment'); {do not localize} |
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isc_create_blob2 := GetProcAddr('isc_create_blob2'); {do not localize} |
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isc_cancel_blob := GetProcAddr('isc_cancel_blob'); {do not localize} |
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isc_decode_date := GetProcAddr('isc_decode_date'); {do not localize} |
| 351 |
isc_encode_date := GetProcAddr('isc_encode_date'); {do not localize} |
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isc_dsql_free_statement := GetProcAddr('isc_dsql_free_statement'); {do not localize} |
| 353 |
isc_dsql_execute2 := GetProcAddr('isc_dsql_execute2'); {do not localize} |
| 354 |
isc_dsql_execute := GetProcAddr('isc_dsql_execute'); {do not localize} |
| 355 |
isc_dsql_set_cursor_name := GetProcAddr('isc_dsql_set_cursor_name'); {do not localize} |
| 356 |
isc_dsql_fetch := GetProcAddr('isc_dsql_fetch'); {do not localize} |
| 357 |
isc_dsql_sql_info := GetProcAddr('isc_dsql_sql_info'); {do not localize} |
| 358 |
isc_dsql_alloc_statement2 := GetProcAddr('isc_dsql_alloc_statement2'); {do not localize} |
| 359 |
isc_dsql_prepare := GetProcAddr('isc_dsql_prepare'); {do not localize} |
| 360 |
isc_dsql_describe_bind := GetProcAddr('isc_dsql_describe_bind'); {do not localize} |
| 361 |
isc_dsql_describe := GetProcAddr('isc_dsql_describe'); {do not localize} |
| 362 |
isc_dsql_execute_immediate := GetProcAddr('isc_dsql_execute_immediate'); {do not localize} |
| 363 |
isc_drop_database := GetProcAddr('isc_drop_database'); {do not localize} |
| 364 |
isc_detach_database := GetProcAddr('isc_detach_database'); {do not localize} |
| 365 |
isc_attach_database := GetProcAddr('isc_attach_database'); {do not localize} |
| 366 |
isc_database_info := GetProcAddr('isc_database_info'); {do not localize} |
| 367 |
isc_start_transaction := GetProcAddr('isc_start_transaction'); {do not localize} |
| 368 |
isc_start_multiple := GetProcAddr('isc_start_multiple'); {do not localize} |
| 369 |
isc_commit_transaction := GetProcAddr('isc_commit_transaction'); {do not localize} |
| 370 |
isc_commit_retaining := GetProcAddr('isc_commit_retaining'); {do not localize} |
| 371 |
isc_rollback_transaction := GetProcAddr('isc_rollback_transaction'); {do not localize} |
| 372 |
isc_cancel_events := GetProcAddr('isc_cancel_events'); {do not localize} |
| 373 |
isc_que_events := GetProcAddr('isc_que_events'); {do not localize} |
| 374 |
isc_add_user := GetProcAddr('isc_add_user'); {do not localize} |
| 375 |
isc_delete_user := GetProcAddr('isc_delete_user'); {do not localize} |
| 376 |
isc_modify_user := GetProcAddr('isc_modify_user'); {do not localize} |
| 377 |
isc_array_lookup_bounds := GetProcAddr('isc_array_lookup_bounds'); {do not localize} |
| 378 |
isc_array_get_slice := GetProcAddr('isc_array_get_slice'); {do not localize} |
| 379 |
isc_array_put_slice := GetProcAddr('isc_array_put_slice'); {do not localize} |
| 380 |
isc_prepare_transaction := GetProcAddr('isc_prepare_transaction'); {do not localize} |
| 381 |
|
| 382 |
FIBServiceAPIPresent := true; |
| 383 |
isc_rollback_retaining := GetProcAddress(IBLibrary, 'isc_rollback_retaining'); {do not localize} |
| 384 |
if Assigned(isc_rollback_retaining) then |
| 385 |
begin |
| 386 |
isc_service_attach := GetProcAddr('isc_service_attach'); {do not localize} |
| 387 |
isc_service_detach := GetProcAddr('isc_service_detach'); {do not localize} |
| 388 |
isc_service_query := GetProcAddr('isc_service_query'); {do not localize} |
| 389 |
isc_service_start := GetProcAddr('isc_service_start'); {do not localize} |
| 390 |
isc_decode_sql_date := GetProcAddr('isc_decode_sql_date'); {do not localize} |
| 391 |
isc_decode_sql_time := GetProcAddr('isc_decode_sql_time'); {do not localize} |
| 392 |
isc_decode_timestamp := GetProcAddr('isc_decode_timestamp'); {do not localize} |
| 393 |
isc_encode_sql_date := GetProcAddr('isc_encode_sql_date'); {do not localize} |
| 394 |
isc_encode_sql_time := GetProcAddr('isc_encode_sql_time'); {do not localize} |
| 395 |
isc_encode_timestamp := GetProcAddr('isc_encode_timestamp'); {do not localize} |
| 396 |
end else |
| 397 |
begin |
| 398 |
FIBServiceAPIPresent := false; |
| 399 |
isc_rollback_retaining := @isc_rollback_retaining_stub; |
| 400 |
isc_service_attach := @isc_service_attach_stub; |
| 401 |
isc_service_detach := @isc_service_detach_stub; |
| 402 |
isc_service_query := @isc_service_query_stub; |
| 403 |
isc_service_start := @isc_service_start_stub; |
| 404 |
isc_decode_sql_date := @isc_decode_sql_date_stub; |
| 405 |
isc_decode_sql_time := @isc_decode_sql_time_stub; |
| 406 |
isc_decode_timestamp := @isc_decode_timestamp_stub; |
| 407 |
isc_encode_sql_date := @isc_encode_sql_date_stub; |
| 408 |
isc_encode_sql_time := @isc_encode_sql_time_stub; |
| 409 |
isc_encode_timestamp := @isc_encode_timestamp_stub; |
| 410 |
end; |
| 411 |
end; |
| 412 |
|
| 413 |
constructor TFB25ClientAPI.Create; |
| 414 |
begin |
| 415 |
inherited; |
| 416 |
FStatus := TFB25Status.Create(self); |
| 417 |
FStatusIntf := FStatus; |
| 418 |
Firebird25ClientAPI := self; |
| 419 |
end; |
| 420 |
|
| 421 |
destructor TFB25ClientAPI.Destroy; |
| 422 |
begin |
| 423 |
FStatusIntf := nil; |
| 424 |
Firebird25ClientAPI := nil; |
| 425 |
inherited Destroy; |
| 426 |
end; |
| 427 |
|
| 428 |
|
| 429 |
function TFB25ClientAPI.StatusVector: PISC_STATUS; |
| 430 |
begin |
| 431 |
Result := PISC_STATUS(FStatus.StatusVector); |
| 432 |
end; |
| 433 |
|
| 434 |
function TFB25ClientAPI.GetStatus: IStatus; |
| 435 |
begin |
| 436 |
Result := FStatus; |
| 437 |
end; |
| 438 |
|
| 439 |
function TFB25ClientAPI.AllocateDPB: IDPB; |
| 440 |
begin |
| 441 |
Result := TDPB.Create; |
| 442 |
end; |
| 443 |
|
| 444 |
function TFB25ClientAPI.OpenDatabase(DatabaseName: string; DPB: IDPB; |
| 445 |
RaiseExceptionOnConnectError: boolean): IAttachment; |
| 446 |
begin |
| 447 |
Result := TFB25Attachment.Create(DatabaseName,DPB,RaiseExceptionOnConnectError); |
| 448 |
if not Result.IsConnected then |
| 449 |
Result := nil; |
| 450 |
end; |
| 451 |
|
| 452 |
function TFB25ClientAPI.CreateDatabase(DatabaseName: string; DPB: IDPB; |
| 453 |
RaiseExceptionOnError: boolean): IAttachment; |
| 454 |
begin |
| 455 |
Result := TFB25Attachment.CreateDatabase(DatabaseName, DPB, RaiseExceptionOnError ); |
| 456 |
if (Result <> nil) and not Result.IsConnected then |
| 457 |
Result := nil; |
| 458 |
end; |
| 459 |
|
| 460 |
function TFB25ClientAPI.CreateDatabase(sql: string; aSQLDialect: integer; |
| 461 |
RaiseExceptionOnError: boolean): IAttachment; |
| 462 |
begin |
| 463 |
Result := TFB25Attachment.CreateDatabase(sql,aSQLDialect, RaiseExceptionOnError ); |
| 464 |
if (Result <> nil) and not Result.IsConnected then |
| 465 |
Result := nil; |
| 466 |
end; |
| 467 |
|
| 468 |
function TFB25ClientAPI.AllocateSPB: ISPB; |
| 469 |
begin |
| 470 |
Result := TSPB.Create; |
| 471 |
end; |
| 472 |
|
| 473 |
function TFB25ClientAPI.AllocateTPB: ITPB; |
| 474 |
begin |
| 475 |
Result := TTPB.Create; |
| 476 |
end; |
| 477 |
|
| 478 |
function TFB25ClientAPI.GetServiceManager(ServerName: string; |
| 479 |
Protocol: TProtocol; SPB: ISPB): IServiceManager; |
| 480 |
begin |
| 481 |
if HasServiceAPI then |
| 482 |
Result := TFB25ServiceManager.Create(ServerName,Protocol,SPB) |
| 483 |
else |
| 484 |
Result := nil; |
| 485 |
end; |
| 486 |
|
| 487 |
function TFB25ClientAPI.StartTransaction(Attachments: array of IAttachment; |
| 488 |
TPB: array of byte; DefaultCompletion: TTransactionCompletion): ITransaction; |
| 489 |
begin |
| 490 |
Result := TFB25Transaction.Create(Attachments,TPB,DefaultCompletion); |
| 491 |
end; |
| 492 |
|
| 493 |
function TFB25ClientAPI.StartTransaction(Attachments: array of IAttachment; |
| 494 |
TPB: ITPB; DefaultCompletion: TTransactionCompletion): ITransaction; |
| 495 |
begin |
| 496 |
Result := TFB25Transaction.Create(Attachments,TPB,DefaultCompletion); |
| 497 |
end; |
| 498 |
|
| 499 |
function TFB25ClientAPI.HasServiceAPI: boolean; |
| 500 |
begin |
| 501 |
Result := IBServiceAPIPresent; |
| 502 |
end; |
| 503 |
|
| 504 |
function TFB25ClientAPI.HasRollbackRetaining: boolean; |
| 505 |
begin |
| 506 |
Result := assigned(isc_rollback_retaining); |
| 507 |
end; |
| 508 |
|
| 509 |
function TFB25ClientAPI.IsEmbeddedServer: boolean; |
| 510 |
begin |
| 511 |
Result := false; |
| 512 |
{$IFDEF UNIX} |
| 513 |
Result := Pos('libfbembed',FFBLibraryName) = 1; |
| 514 |
{$ENDIF} |
| 515 |
{$IFDEF WINDOWS} |
| 516 |
Result := CompareText(FFBLibraryName,FIREBIRD_EMBEDDED) = 0; |
| 517 |
{$ENDIF} |
| 518 |
end; |
| 519 |
|
| 520 |
function TFB25ClientAPI.HasMasterIntf: boolean; |
| 521 |
begin |
| 522 |
Result := false; |
| 523 |
end; |
| 524 |
|
| 525 |
function TFB25ClientAPI.GetIMaster: TObject; |
| 526 |
begin |
| 527 |
Result := nil; |
| 528 |
end; |
| 529 |
|
| 530 |
function TFB25ClientAPI.GetImplementationVersion: string; |
| 531 |
begin |
| 532 |
Result := FBClientInterfaceVersion; |
| 533 |
end; |
| 534 |
|
| 535 |
function TFB25ClientAPI.DecodeInteger(bufptr: PChar; len: short): integer; |
| 536 |
begin |
| 537 |
Result := isc_portable_integer(bufptr,len); |
| 538 |
end; |
| 539 |
|
| 540 |
procedure TFB25ClientAPI.SQLEncodeDate(aDate: TDateTime; bufptr: PChar); |
| 541 |
var |
| 542 |
tm_date: TCTimeStructure; |
| 543 |
Yr, Mn, Dy: Word; |
| 544 |
begin |
| 545 |
DecodeDate(aDate, Yr, Mn, Dy); |
| 546 |
with tm_date do begin |
| 547 |
tm_sec := 0; |
| 548 |
tm_min := 0; |
| 549 |
tm_hour := 0; |
| 550 |
tm_mday := Dy; |
| 551 |
tm_mon := Mn - 1; |
| 552 |
tm_year := Yr - 1900; |
| 553 |
end; |
| 554 |
isc_encode_sql_date(@tm_date, PISC_DATE(bufptr)); |
| 555 |
end; |
| 556 |
|
| 557 |
function TFB25ClientAPI.SQLDecodeDate(bufptr: PChar): TDateTime; |
| 558 |
var |
| 559 |
tm_date: TCTimeStructure; |
| 560 |
begin |
| 561 |
isc_decode_sql_date(PISC_DATE(bufptr), @tm_date); |
| 562 |
try |
| 563 |
result := EncodeDate(Word(tm_date.tm_year + 1900), Word(tm_date.tm_mon + 1), |
| 564 |
Word(tm_date.tm_mday)); |
| 565 |
except |
| 566 |
on E: EConvertError do begin |
| 567 |
IBError(ibxeInvalidDataConversion, [nil]); |
| 568 |
end; |
| 569 |
end; |
| 570 |
end; |
| 571 |
|
| 572 |
procedure TFB25ClientAPI.SQLEncodeTime(aTime: TDateTime; bufptr: PChar); |
| 573 |
var |
| 574 |
tm_date: TCTimeStructure; |
| 575 |
Hr, Mt, S, Ms: Word; |
| 576 |
begin |
| 577 |
DecodeTime(aTime, Hr, Mt, S, Ms); |
| 578 |
with tm_date do begin |
| 579 |
tm_sec := S; |
| 580 |
tm_min := Mt; |
| 581 |
tm_hour := Hr; |
| 582 |
tm_mday := 0; |
| 583 |
tm_mon := 0; |
| 584 |
tm_year := 0; |
| 585 |
end; |
| 586 |
with Firebird25ClientAPI do |
| 587 |
isc_encode_sql_time(@tm_date, PISC_TIME(bufptr)); |
| 588 |
if Ms > 0 then |
| 589 |
Inc(PISC_TIME(bufptr)^,Ms*10); |
| 590 |
end; |
| 591 |
|
| 592 |
function TFB25ClientAPI.SQLDecodeTime(bufptr: PChar): TDateTime; |
| 593 |
var |
| 594 |
tm_date: TCTimeStructure; |
| 595 |
msecs: Word; |
| 596 |
begin |
| 597 |
isc_decode_sql_time(PISC_TIME(bufptr), @tm_date); |
| 598 |
try |
| 599 |
msecs := (PISC_TIME(bufptr)^ mod 10000) div 10; |
| 600 |
result := EncodeTime(Word(tm_date.tm_hour), Word(tm_date.tm_min), |
| 601 |
Word(tm_date.tm_sec), msecs) |
| 602 |
except |
| 603 |
on E: EConvertError do begin |
| 604 |
IBError(ibxeInvalidDataConversion, [nil]); |
| 605 |
end; |
| 606 |
end; |
| 607 |
end; |
| 608 |
|
| 609 |
procedure TFB25ClientAPI.SQLEncodeDateTime(aDateTime: TDateTime; bufptr: PChar); |
| 610 |
var |
| 611 |
tm_date: TCTimeStructure; |
| 612 |
Yr, Mn, Dy, Hr, Mt, S, Ms: Word; |
| 613 |
begin |
| 614 |
DecodeDate(aDateTime, Yr, Mn, Dy); |
| 615 |
DecodeTime(aDateTime, Hr, Mt, S, Ms); |
| 616 |
with tm_date do begin |
| 617 |
tm_sec := S; |
| 618 |
tm_min := Mt; |
| 619 |
tm_hour := Hr; |
| 620 |
tm_mday := Dy; |
| 621 |
tm_mon := Mn - 1; |
| 622 |
tm_year := Yr - 1900; |
| 623 |
end; |
| 624 |
isc_encode_date(@tm_date, PISC_QUAD(bufptr)); |
| 625 |
if Ms > 0 then |
| 626 |
Inc(PISC_TIMESTAMP(bufptr)^.timestamp_time,Ms*10); |
| 627 |
end; |
| 628 |
|
| 629 |
function TFB25ClientAPI.SQLDecodeDateTime(bufptr: PChar): TDateTime; |
| 630 |
var |
| 631 |
tm_date: TCTimeStructure; |
| 632 |
msecs: Word; |
| 633 |
begin |
| 634 |
isc_decode_date(PISC_QUAD(bufptr), @tm_date); |
| 635 |
try |
| 636 |
result := EncodeDate(Word(tm_date.tm_year + 1900), Word(tm_date.tm_mon + 1), |
| 637 |
Word(tm_date.tm_mday)); |
| 638 |
msecs := (PISC_TIMESTAMP(bufptr)^.timestamp_time mod 10000) div 10; |
| 639 |
if result >= 0 then |
| 640 |
result := result + EncodeTime(Word(tm_date.tm_hour), Word(tm_date.tm_min), |
| 641 |
Word(tm_date.tm_sec), msecs) |
| 642 |
else |
| 643 |
result := result - EncodeTime(Word(tm_date.tm_hour), Word(tm_date.tm_min), |
| 644 |
Word(tm_date.tm_sec), msecs) |
| 645 |
except |
| 646 |
on E: EConvertError do begin |
| 647 |
IBError(ibxeInvalidDataConversion, [nil]); |
| 648 |
end; |
| 649 |
end; |
| 650 |
end; |
| 651 |
|
| 652 |
end. |
| 653 |
|
