2017-01-27 17:37:51 +02:00
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// ************************************************************************
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// ***************************** CEF4Delphi *******************************
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// ************************************************************************
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//
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2019-10-19 10:58:34 +02:00
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// CEF4Delphi is based on DCEF3 which uses CEF to embed a chromium-based
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2017-01-27 17:37:51 +02:00
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// browser in Delphi applications.
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//
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// The original license of DCEF3 still applies to CEF4Delphi.
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//
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// For more information about CEF4Delphi visit :
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// https://www.briskbard.com/index.php?lang=en&pageid=cef
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//
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2019-01-08 20:15:25 +02:00
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// Copyright � 2019 Salvador Diaz Fau. All rights reserved.
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2017-01-27 17:37:51 +02:00
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//
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// ************************************************************************
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// ************ vvvv Original license and comments below vvvv *************
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// ************************************************************************
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(*
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* Delphi Chromium Embedded 3
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*
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* Usage allowed under the restrictions of the Lesser GNU General Public License
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* or alternatively the restrictions of the Mozilla Public License 1.1
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
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* the specific language governing rights and limitations under the License.
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*
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* Unit owner : Henri Gourvest <hgourvest@gmail.com>
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* Web site : http://www.progdigy.com
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* Repository : http://code.google.com/p/delphichromiumembedded/
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* Group : http://groups.google.com/group/delphichromiumembedded
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*
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* Embarcadero Technologies, Inc is not permitted to use or redistribute
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* this source code without explicit permission.
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*
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*)
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unit uCEFZipReader;
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2018-05-12 14:50:54 +02:00
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{$IFDEF FPC}
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{$MODE OBJFPC}{$H+}
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{$ENDIF}
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2018-11-22 16:02:21 +02:00
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{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
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{$MINENUMSIZE 4}
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2017-01-27 17:37:51 +02:00
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2017-02-05 21:56:46 +02:00
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{$I cef.inc}
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2017-01-27 17:37:51 +02:00
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interface
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uses
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2017-03-16 20:09:42 +02:00
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uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
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type
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TCefZipReaderRef = class(TCefBaseRefCountedRef, ICefZipReader)
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protected
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function MoveToFirstFile: Boolean;
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function MoveToNextFile: Boolean;
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function MoveToFile(const fileName: ustring; caseSensitive: Boolean): Boolean;
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function Close: Boolean;
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function GetFileName: ustring;
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function GetFileSize: Int64;
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function GetFileLastModified: TCefTime;
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function OpenFile(const password: ustring): Boolean;
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function CloseFile: Boolean;
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function ReadFile(buffer: Pointer; bufferSize: NativeUInt): Integer;
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function Tell: Int64;
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function Eof: Boolean;
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public
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class function UnWrap(data: Pointer): ICefZipReader;
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class function New(const stream: ICefStreamReader): ICefZipReader;
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end;
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implementation
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uses
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uCEFMiscFunctions, uCEFLibFunctions;
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function TCefZipReaderRef.Close: Boolean;
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begin
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Result := PCefZipReader(FData)^.close(PCefZipReader(FData)) <> 0;
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end;
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function TCefZipReaderRef.CloseFile: Boolean;
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begin
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Result := PCefZipReader(FData)^.close_file(PCefZipReader(FData)) <> 0;
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end;
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class function TCefZipReaderRef.New(const stream: ICefStreamReader): ICefZipReader;
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begin
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Result := UnWrap(cef_zip_reader_create(CefGetData(stream)));
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end;
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function TCefZipReaderRef.Eof: Boolean;
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begin
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Result := PCefZipReader(FData)^.eof(PCefZipReader(FData)) <> 0;
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end;
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function TCefZipReaderRef.GetFileLastModified: TCefTime;
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begin
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Result := PCefZipReader(FData)^.get_file_last_modified(PCefZipReader(FData));
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end;
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function TCefZipReaderRef.GetFileName: ustring;
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begin
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Result := CefStringFreeAndGet(PCefZipReader(FData)^.get_file_name(PCefZipReader(FData)));
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end;
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function TCefZipReaderRef.GetFileSize: Int64;
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begin
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Result := PCefZipReader(FData)^.get_file_size(PCefZipReader(FData));
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end;
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2018-05-12 14:50:54 +02:00
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function TCefZipReaderRef.MoveToFile(const fileName: ustring; caseSensitive: Boolean): Boolean;
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var
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TempFilename : TCefString;
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begin
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TempFilename := CefString(fileName);
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Result := PCefZipReader(FData)^.move_to_file(PCefZipReader(FData), @TempFilename, Ord(caseSensitive)) <> 0;
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end;
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function TCefZipReaderRef.MoveToFirstFile: Boolean;
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begin
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Result := PCefZipReader(FData)^.move_to_first_file(PCefZipReader(FData)) <> 0;
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end;
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function TCefZipReaderRef.MoveToNextFile: Boolean;
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begin
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Result := PCefZipReader(FData)^.move_to_next_file(PCefZipReader(FData)) <> 0;
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end;
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function TCefZipReaderRef.OpenFile(const password: ustring): Boolean;
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var
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TempPassword : TCefString;
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begin
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TempPassword := CefString(password);
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Result := PCefZipReader(FData)^.open_file(PCefZipReader(FData), @TempPassword) <> 0;
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end;
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2018-05-12 14:50:54 +02:00
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function TCefZipReaderRef.ReadFile(buffer: Pointer; bufferSize: NativeUInt): Integer;
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begin
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Result := PCefZipReader(FData)^.read_file(PCefZipReader(FData), buffer, buffersize);
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end;
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function TCefZipReaderRef.Tell: Int64;
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begin
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Result := PCefZipReader(FData)^.tell(PCefZipReader(FData));
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end;
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class function TCefZipReaderRef.UnWrap(data: Pointer): ICefZipReader;
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begin
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2018-05-12 14:50:54 +02:00
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if (data <> nil) then
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Result := Create(data) as ICefZipReader
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else
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Result := nil;
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end;
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end.
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